Samsung SGH 2488 Service Manual Sm

User Manual: SGH-2488

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DUAL BAND Mobile
Cellular Phone
SGH-2488

SERVICE
DUAL BAND Mobile Cellular Phone

Manual

CONTENTS
1. Exploded Views and Parts List
2. Electrical Parts List
3. Block Diagrams
4. PCB Diagrams
5. Schematic Diagrams

1
4 GHI
7PQRS

2ABC
5 JKL
8TUV
0

3 DEF
6MNO
9WXYZ

ELECTRONICS

Samsung Electronics Co.,Ltd.
Printed in Korea
11/1999 Rev 1.0
GH68-00844A

1. General Description
1-1 Dualband System
1-1-1 Calls
Dual band handsets supports the E-GSM and DCS system, DCS is an acronym for Digital Cellular system, and
GSM¨ is an acronym for Global System for Mobile communications©, using TDMA for wide-area cellular
operation. The GSM and DCS system consists of the sub-systems shown;
The Mobile Station (MS) talks to the Base Station System (BSS) via an RF air interface. The Base Station System
(BSS) consists of Base Transceiver Station (BTS) and a Base Station Controller (BSC). The interface between BTS
and BSC is called an Abis interface. Generally one BSC controls 20 to 30 BTSs, and a Mobile Switching Center
(MSC) controlling the traffic among different cells would be reported back from a number of BSSs. A Visitor
Location Register (VLR) will be allocated to one MSC to find the mobiles out of their home cell by listing them
to VLR. The MSC would also be connected to the Home Location Register (HLR), the Authentication Center
(AC) and the Equipment Identity Register (EIR) So the system verify that the users and equipment are legal
subscriber.

1-1-2 Channels
Channels used in the E-GSM and DCS system can be divided into two classes - Logical and Physical channel.
Physical channels can be described in terms of their frequency and time domain characteristics. They are the
actual frequencies and timeslots the MS and BS transmits or receives on. The logical channels are mapped onto
these physical channels logically. Any particular and instant, physical channels may be control or traffic
channels, which determines the function of a physical channel at a particular point in time.

1-1-3 Airinterface of ARFCN (Absolute Radio Frequency Channel Number)

975

1023

0

880.2 MHz

1

2

3

...

...

...

...

123

890.2 MHz

124
914.8 MHz

E-GSM: TX: Ful(n) = 890MHz + (0.2MHz) • n, 0≤n≤124 and
Ful(n) = 890MHz + (0.2MHz) • (n-1024), 975≤n≤1023

975
925.2 MHz

1023

0

1

2

3

...

...

935.2 MHz

...

...

123

124
959.8 MHz

E-GSM: RX: Fdl(n) = Ful(n) + 45MHz

512
1710.2 MHz

885
DCS Tx: Ful(n) = 1710MHz + (0.2MHz) • (n-511)
n = ARFCN,
512≤n≤885

512
1805.2 MHz

1784.8 MHz

885
DCS Rx: Fdl(n) = Ful(n) + 95MHz

1879.8 MHz

< Fig. 1 ARFCN Diagram >

Samsung Electronics

1-1

General Description

1-1-4 GSM TDMA Timeslots, Frames, and Multiframes

TCH
Multiframe

0

1

BCH
Multiframe

TDMA
Frame

Timeslot

2

0

0

T

3

1

1

4

2

2

Information

...

3

3

F

...

4

4

...

...

5

Midamble

...

6

F

...

...

...

...

...

24

25

...

...

49

T

Guard

50

7

Information

< Fig. 2 Concept of Frames and Timeslots >

1-1-5 Logical Channel
TCH (Traffic CH) is used mainly for transferring the speech information, and the BCH (Broadcast CH) is
related to control information.The major function of BCH is transferring information on the downlink for MS
synchronization, identification, paging, and controll. BCH is always radiated from every cells and the MS tries
to find the BCH which has highest level soon after turned on. The organization of BCH is shown belows;
FCCH (Frequency Correction Channel), SCH (Synchronization Channel), and BCCH (Broadcast Control
Channel). CCCH (Common Control Channel) will play a role like a message board, and is divided into two
control channels - PCH (Paging Channel) and AGCH (Access Grant Channel). SACCH (Slow Associated
Control Channel) exists every 12 frames, controlling and controls the TX power level and timing advance of
MS, transferring cell information to MS on downlink, transferring the information about RX level, Quality, and
RX level of adjacent cell on uplink. FACCH (Fast Associated Control Channel) steals and changes the TCH
when needing a Handover. SDCCH (Stand-alone Dedicated Control Channel) and RACH (Random Access
Channel) operate during the call setup procedure.

1-2

Samsung Electronics

2. Circuit Description
2-1 RF Part
2-1-1 Frequency Generator
The 13MHz reference clock (VCTCXO) drives the logic and RF part. The 13 MHz reference is controlled by the
logic (10bits DAC minimum) and is kept to a frequency error less than ±0.1 ppm after synchronization with the
GSM network.
The IF VCO generates 233~259.5MHz VHF LO used in the RX I,Q Demodulator and after
doubling(493~519MHz), it used in the TX I,Q modulator. The UHF LO for the first RX down conversion and
the TX offset mixing works in superheterodyne mode to reduce the relative bandwidth and to be able to work
at a frequency greater than 1 GHz.

2-1-2 Transmitter
The baseband GSM chipset (Kernel 5) generates I and Q baseband signals for the transmit modulator. The
modulator (U2893B) is the first stage which takes the baseband signal and upconverts it to a fixed intermediate
frequency. The modulator provides more than 35dBc of carrier and unwanted side-band refection and produces
GMSK modulated signal, the ÒreferenceÓ signal at 493~519 MHz which passes to the offset phase-locked loop
block (OPLL). The OPLL consists of a down-converter, phase detector, loop filter and transmit VCOs operation
at the final RF output frequency. The down converter mixes the UHF LO (eg. 1210MHz) with the transmit VCO
signal to generate a ÒfeedbackÓ signal at 493~519 MHz. The ÒfeedbackÓ signal passes via a limiter to one port
of the phase detector. The GMSK ÒreferenceÓ signal from the modulator passes via second limiter to the other
input port of the phase detector. The phase detector generates an error current proportional to the phase
difference between the ÒfeedbackÓ signal from the down-converter and the ÒreferenceÓ signal from the
modulator. This error current is filtered by a third order low-pass filter to generate an output voltage which
depends on the GMSK modulation and the desired channel frequency. This voltage controls the transmit VCO
such that the VCO output signal, centered on the correct RF channel, is frequency modulated with the original
GMSK data. The center frequency of the transmit VCO is offset from the UHF LO frequency by 493~519MHz.
The OPLL acts as a tracking narrowband band pass filter tuned to the desired channel frequency. This reduces
the wideband products. The OPLL architecture results in a low-noise GMSK modulated signal at
902MHz(1747MHz) with very low spurious content.
The RF GMSK output from the transmit VCO is fed to the RF power amplifier. The peak output power and the
profile of the transmitted burst are controlled by means of a closed feedback loop. The RF output from the PA is
sampled with a directional coupler. The sampled signal passes to an RF detector diode whose output voltage is
dependent on the incident RF level. This ÒfeedbackÓ voltage passes to the inverting input of the loop integrator.
A ÒreferenceÓ signal is generated within the baseband section under control of the layer 1 software. The loop
maintains zero difference between the ÒfeedbackÓ signal and the ÒreferenceÓ signal. In this way, the amplitude
and shape of the transmitted RF burst may be controlled by the baseband processor. In particular, the rise and
fall profiles can be controlled to meet the stringent power/time templates and switching transient requirements
of GSM 05.05.
The RF output passes to the antenna connector via an integrated TX/RX switch and lowpass filter to attenuate
the harmonics generated by the power amplifier.

Samsung Electronics

2-1

1. Exploded Views and Parts List
1-1 Main Exploded View (SGH-2488)

1-7

1

1-2

1-3

1-1
1-4

1-6
1-5

4
6
3

5
3-2

3-3

10

9
7

3-4
3-1

8
11
12
14

13
2-7

2-8

2-4

15

2-1

2
2-6

2-5

16

2-3

2-2

17

18
19

Samsung Electronics

1-1

Exploded Views and Parts List

1-2 Main Parts List
Level

Description

SEC CODE

1

MEC-FRONT COVER

GH75-00614A

1

GOLD

1-1

PMO-FRONT COVER

GH72-00595A

1

SNA

1-2

PMO-LED CAP

GH72-00182A

1

SNA

1-3

PM0-VOLUME KEY

GH72-00608A

2

SNA

1-4

RMO-RUBBER KEY

GH73-00190A

1

SNA

1-5

MEC-HINGE ASSY

GH75-11115A

2

SNA

1-6

MEC-SUA WINDOW

GH75-00406A

1

1-7

MEC-FLIP COVER

GH75-00615A

1

MEC-REAR COVER

GH75-00616A

1

GOLD

2-1

PMO-REAR COVER

GH72-01403A

1

SNA

2-2

IPR-SIM SPRING

GH70-00006A

2

SNA

2-3

IPR-LOCKER SPRING

GH70-10633A

1

SNA

2-4

NDC-ANTENNA BRAKET

GH71-00021A

1

2-5

PMO-BATT LOCKER

GH72-00147A

1

SNA

2-6

PMO-SIM LOCKER

GH72-00513A

1

SNA

2-7

RMO-EAR COVER

GH73-00194A

1

2-8

TAPE MOTOR

GH74-00196A

1

KEY PBA

GH96-00892A

1

3-1

MIC ASSY

GH96-00830A

1

3-2

BUZZER

3002-001104

1

3-3

SPEAKER

3001-001167

1

3-4

REED SWITCH

3409-001003

1

4

PMO-KEY PAD

GH72-00607C

1

5

LCD ASSY

GH96-00891A

1

6

RUBBER BUZZER

GH73-00188A

1

7

RUBBER MIC

GH73-00189A

1

8

SPONGE MIC

GH74-00355A

1

SNA

9

SPONGE CONNECTOR

GH74-00402A

1

SNA

10

SPONGE SPEAK

GH74-00403A

1

SNA

11

PM0-SHIELD COVER

GH72-00591A

1

12

PBA MAIN

GH92-00878A

1

13

RMO-CONNECTOR COVER

GH73-40673G

1

14

MOTOR

GH31-10004A

1

15

ANTENNA

GH42-00038A

1

16

SCREW-MACHINE

6001-001148

5

17

RUBBER CAP

GH73-00191A

1

18

BATTERY

GH43-00143D

1

750mAh

19

BATTERY

GH43-00183D

1

1000mAh

2

3

Samsung Electronics

Q'ty

Remark

SNA

5PCS

1-2

1-3 Travel Adapter

A

B

C

1-4 Travel Adapter Parts List

1-3

TYPE

SEC CODE

REMARK

A

GH96-01143A

CHINA

B

GH96-01146A

EUROPE

C

GH96-01095A

UNITED KINGDOM

Exploded Views and Parts List

1-5 Desk Top Charger
SEC CODE : GH44-00090B

1
2

6

3
4

5
7

8

9
10
11

Exploded Views and Parts List

1-4

1-6 Desk Top Charger Parts List

NO

DESCRIPTION

SEC.CODE

Q’TY

1

UPPER CASE

1

2

HANGER SPRING (L)

1

3

SCREW TAPPING

4

4

HANGER SPRING(R)

1

5

SCREW TAPPING

3

6

BATT. HOUSING

1

7

PCB

1

8

LOWER BASE

1

9

SCREW TAPPING

4

10

BUMPON

4

11

LABEL

1

1-5

REMARK

Exploded Views and Parts List

1-7 Ciger Light Adapter

1-8 Ciger Light Adapter Parts List

DESCRIPTION

SEC CODE

REMARK

Ciger Light Adapter Code

GH44-00040A

BLACK

Exploded Views and Parts List

1-6

1-7

Yellow(Ignition)
White(Stereo Mute)
Red(Vehicle Battery)
Black(GND)

Phone

Micro Phone

1-9 Hands Free Kit

SEC CODE : GH96-00800A

Exploded Views and Parts List

1-10 Test Jig

TEST JIG

GH80-10508A

DATA CABLE

GH39-30532A

1-11 Earphone

EARPHONE

Exploded Views and Parts List

GH96-00830A

1-8

2 Electrical Parts List
2-1 Main Parts List

REFERENCE
D401,D801

SEC.CODE
0401-001033

DESCRIPTIONS
Diode-Switching,25V,200mA

D253,D255,D808

0404-001044

Diode-Schottky,20V,1A,SMD

D400

0404-001054

Diode-Schottky,70V,15mA,SOT-143

D600

0405-001051

Diode-Varactor,4.7V,50nA,SOT-23

D101,D102,D176,D820,D903,D904

0406-001084

ESD Diode

D252

0407-001002

Diode-Array,80V,300mA,CA2-3

D901,D902

0407-001006

Diode-Array,20V,100mA,C2-3

D251

0407-001007

Diode-Array,80V,25mA,CA4-2

Q959

0501-000162

TR-SMALL SIGNAL,PNP,200mW,SOT-323

Q958

0501-000462

TR-SMALL SIGNAL,PNP,225mW,SOT-

Q951,Q961,Q962

0501-002011

TR-SMALL SIGNAL,NPN,200mW,SOT-23

Q300

0501-002037

TR-SMALL SIGNAL,MPN,55mW,SOT-434

Q601,Q604

0501-002196

TR-SMALL SIGNAL,NPN,280mW,SOT-323

U307

0501-002205

TR-SMALL SIGNAL,NPN,SOT-343

Q151,Q153,Q255

0504-000167

TR-Digital,NPN,100mW,10K10Kohm,SSM

Q256,Q257

0504-000168

TR-Digital,NPN,100mW,47K47Kohm,SSM

Q500

0505-000110

FET-SILICON,60V,115mA,200mW

U501,U502

0505-001131

FET-SILICON,-12V,-500mA,690mohm

Q957

0505-001332

FET-SILICON

Q600

0506-000173

TR-ARRAY,NPN,80mW,SOT-363

U128,U252,U302,U303,U400,U403,U412,U813

0506-001004

TR-ARRAY,NPN/PNP,50V-100mA

LED100

0601-000276

LED/CHIP,1.6x2.0mm

U902,U903

0801-000022

IC-CMOS LOGIC,NANDGATE,SOP,5P

U900,U901,U904,U906

0801-000794

IC-CMOS LOGIC,ANDGATE,SOT-25,5P

U971

0801-000796

IC-CMOS LOGIC,ORGATE,SOT-25,5P

U973

0801-002540

IC-CMOS LOGIC,COMBINATIONGATE

U905

0801-002345

IC-CMOS LOGIC,INVERATER,SOP,5P

U413,U414

0801-002349

IC-CMOS LOGIC

U962,U963

1001-001088

ANALOG SWITCH

U969

1003-001226

IC-POWER DRIVER,SOP,8P,120MIL

U203

1103-001184

IC-EEPROM

U972

1107-001225

IC-Flash memory

U970

1109-001153

IC-ETC.MEMORY,2Mx16Bit,CSP,72P,-,9

U406

1201-001018

IC-OP AMP,SOT-23,5P,Single,70dB

U127

1201-001212

IC-OP AMP,TSSOP,16P,150MIL,DUAL,200M

U604

1201-001248

IC-CASCADE AMP,SOT-143,4P,2.7V

U402

1201-001299

IC-POWER Amp,RF-K,8P,SINGLE,8V

U408

1201-001411

IC-POWER Amp

2-1

Electrical Parts List

REFERENCE

SEC.CODE

DESCRIPTIONS

U960

1202-001022

IC-VOLTAGE COMP,SSOP,8P,110MIL,7V

U804

1203-001256

IC-SWITCH VOL REG,SOT-23,5P,59MI

U801,U803,U805,U806,U810,U811

1203-001285

IC-SWITCH VOL REG,SOT-23,5P,150MIl

U809

1203-001511

IC-Reset,SOT-23,3P

U253

1203-001515

IC-BATTERY,SSOP,16P,150MIL

U812

1203-001702

IC-DC/DC CONVERTER,SOP,10P,112MIL

U102

1203-001740

IC-DC/DC CONVERTER,SOP,16P,150MIL

U301

1204-001006

IC-IP SYSTEM,SOP,20P,205MIL

U300,U305

1205-001307

IC-MIXER,SOP,16,197MIL

U200

1205-001643

IC-KERNEL

U950

1205-001697

IC-VOCODER,QFP,80P,3V

U202

1206-001009

IC-TIMER,SOP,8P,173MIL

U603

1209-001220

IC-PLL SYSTEM,SOP,20P,173MIL

U500

1209-001233

IC-PLL SYSTEM,SSOP,28P

TH1

1404-001005

THERMISTOR,47Kohm,5%,4054K,20mW

D179

1405-001018

Varistors

D103,D104

1405-001019

Varistors

R184

2007-000070

R-CHIP,0ohm,5%,1/16W,DA,TP,1608

R105,R129,R135,R163,R177,R178,R179,R180,R181,
R182,R183,R185,R186,R187,R188,R621,R653

2007-000138

R-CHIP,100ohm,5%,1/16W,DA,TP,1005

R644,R1000

2007-000139

R-CHIP,220ohm,5%,1/16W,DA,TP,1005

R220,R221,R264,R529,R611,R646,R811,R951,R954,R1001

2007-000140

R-CHIP,1Kohm,5%,1/16W,DA,TP,1005

R640

2007-000141

R-CHIP,2.2Kohm,5%,1/16W,DA,TP,1005

R309,R609,R223

2007-000142

R-CHIP,2.7Kohm,5%,1/16W,DA,TP,1005

R351

2007-000143

R-CHIP,4.7Kohm,5%,1/16W,DA,TP,1005

R606,R628

2007-000145

R-CHIP,6.2Kohm,5%,1/16W,DA,TP,1005

R603

2007-000146

R-CHIP,6.8Kohm,5%,1/16W,DA,TP,1005

R106,R107,R152,R205,R210,R255,R232,R235,R238,
R253,R256,R363,R418,R419,R605,R630,R637,R906,
R907,R952,R962,R963,R984,R985,R996,R988,R998,
R999

2007-000148

R-CHIP,10Kohm,5%,1/16W,DA,TP,1005

R300

2007-000152

R-CHIP,20Kohm,5%,1/16W,DA,TP,1005

R622

2007-000153

R-CHIP,22Kohm,5%,1/16W,DA,TP,1005

R126,R208,R218,R219,R352,R353

2007-000157

R-CHIP,47Kohm,5%,1/16W,DA,TP,1005

R257

2007-000159

R-CHIP,56Kohm,5%,1/16W,DA,TP,1005

R100,R101,R151,R153,R162,R209,R212,R213,R214,
R222,R231,R251,R252,R254,R263,R528,R812,R972
,R980,R991,R997

2007-000162

R-CHIP,100Kohm,5%,1/16W,DA,TP,1005

R610,R639

2007-000164

R-CHIP,150Kohm,5%,1/16W,DA,TP,1005

R215,R326,R361,R505,R531,R631,R647,R978

2007-007771

R-CHIP,0ohm,5%,1/16W,DA,TP,1005

R308,R500,R501,R502,R503,R504,R517,R524,R527,
R601,R602,R607,R633,R638,R650

2007-000172

R-CHIP,10ohm,5%,1/16W,DA,TP,1005

R651,R654

2007-000173

R-CHIP,22ohm,5%,1/16W,DA,TP,1005

R515,R516,R518

2007-000932

R-CHIP,470ohm,5%,1/16W,DA,TP,1005

Electrical Parts List

2-2

REFERENCE

SEC.CODE

DESCRIPTIONS

R130,R136,R417

2007-001119

R-CHIP,680ohm,5%,1/16W,DA,TP,1005

R428

2007-001217

R-CHIP,82ohm,5%,1/16W,DA,TP,1005

R304,R623,R625,R627

2007-001288

R-CHIP,18ohm,5%,1/16W,DA,TP,1005

R431

2007-001295

R-CHIP,39ohm,5%,1/16W,DA,TP,1005

R305,R364,R410,R420,R511,R519,R520,R648,R649

2007-001298

R-CHIP,51ohm,5%,1/16W,DA,TP,1005

R445

2007-001301

R-CHIP,68ohm,5%,1/16W,DA,TP,1005

R404,R406,R617

2007-001305

R-CHIP,120ohm,5%,1/16W,DA,TP,1005

R430,R432

2007-001306

R-CHIP,150ohm,5%,1/16W,DA,TP,1005

R306,R311,R316,R317

2007-001307

R-CHIP,180ohm,5%,1/16W,DA,TP,1005

R613,R805

2007-001308

R-CHIP,200ohm,5%,1/16W,DA,TP,1005

R128,R134

2007-001311

R-CHIP,270ohm,5%,1/16W,DA,TP,1005

R356,R357,R365,R525,R526,R950,R953

2007-001313

R-CHIP,330ohm,5%,1/16W,DA,TP,1005

R612

2007-001316

R-CHIP,820ohm,5%,1/16W,DA,TP,1005

R507,R512

2007-001317

R-CHIP,910ohm,5%,1/16W,DA,TP,1005

R629

2007-001323

R-CHIP,3Kohm,5%,1/16W,DA,TP,1005

R354,R608

2007-001325

R-CHIP,3.3Kohm,5%,1/16W,DA,TP,1005

R618,R643

2007-001339

R-CHIP,180Kohm,5%,1/16W,DA,TP,1005

R413

2007-002797

R-CHIP,560ohm,5%,1/16W,DA,TP,1005

R301

2007-003020

R-CHIP,4.3Kohm,5%,1/16W,DA,TP,1005

R427,R429

2007-003030

R-CHIP,91ohm,5%,1/16W,DA,TP,1005

R407

2007-007001

R-CHIP,3.9Kohm,5%,1/16W,DA,TP,1005

R521

2007-007090

R-CHIP,11Kohm,5%,1/16W,DA,TP,1005

R510

2007-007095

R-CHIP,390ohm,5%,1/16W,DA,TP,1005

R362

2007-007096

R-CHIP,160ohm,5%,1/16W,DA,TP,1005

R132,R137,R259

2007-007107

R-CHIP,100Kohm,1%,1/16W,DA,TP,1005

R265

2007-007133

R-CHIP,300ohm,1%,1/16W,DA,TP,1005

R261

2007-007135

R-CHIP,18K,1%,1/16W,DA,TP,1005

R434,R900,R903,R905

2007-007137

R-CHIP,1.2Kohm,1%,1/16W,DA,TP,1005

R522

2007-007141

R-CHIP,240ohm,5%,1/16W,DA,TP,1005

R904,R987

2007-007142

R-CHIP,10Kohm,1%,1/16W,DA,TP,1005

R514,R523,R626,R645,R652

2007-007195

R-CHIP,3.9ohm,5%,1/16W,DA,TP,1005

R262,R416

2007-007309

R-CHIP,12Kohm,1%,1/16W,DA,TP,1005

R266,R414

2007-007310

R-CHIP,8.2Kohm,1%,1/16W,DA,TP,1005

R412

2007-007311

R-CHIP,22Kohm,1%,1/16W,DA,TP,1005

R409

2007-007316

R-CHIP,3.3Kohm,1%,1/16W,DA,TP,1005

R200,R201,R202,R203

2007-007317

R-CHIP,2.2Kohm,1%,1/16W,DA,TP,1005

R121,R127,R133,R303,R313,R415,R994,R995

2007-007318

R-CHIP,1Kohm,1%,1/16W,DA,TP,1005

R619

2007-007528

R-CHIP,1.5Kohm,1%,1/16W,DA,TP,1005

R435,R655

2007-007588

R-CHIP,1.8Kohm,1%,1/16W,DA,TP,1005

R258

2007-007590

R-CHIP,82Kohm,1%,1/16W,DA,TP,1005

R260

2007-007592

R-CHIP,270Kohm,1%,1/16W,DA,TP,1005

R979,R981

2007-007627

R-CHIP,16Kohm,1%,1/16W,DA,TP,1005

2-3

Electrical Parts List

REFERENCE

SEC.CODE

DESCRIPTIONS

R983

2007-007630

R-CHIP,14Kohm,1%,1/16W,DA,TP,1005

R355,R902

2007-007788

R-CHIP,332ohm,1%,1/16W,DA,TP,1005

C524

2203-000151

C-CHIP,1.5nF,5%,50V,TP,2012

C215,C216,C217,C218,C303,C318,C337,C362,C368,
C411,C416,C501,C502,C503,C508,C509,C516,C521,
C623,C628,C635,C642

2203-000233

C-CHIP,100pF,5%,50V,TP,1005

C348,C512

2203-000278

C-CHIP,10pF,5%,50V,TP,1005

C445

2203-000311

C-CHIP,120pF,5%,50V,TP,1005

C310,C539,C604

2203-000330

C-CHIP,12pF,5%,50V,TP,1005

C625

2203-000359

C-CHIP,150pF,5%,50V,TP,1005

C201,C316,C431,C514,C951,C958,C959,C966,C967,
C968,C969,C970,C1009,C1011,C1012,C1013,C1014,
C1015,C1016,C1017,C1018,C1019

2203-000386

C-CHIP,15pF,5%,50V,TP,1005

C127,C135,C207,C311,C351,C352,C354,C356,C361,
C371,C373,C375,C379,C504,C522,C621,C627,C637,
C641

2203-000438

C-CHIP,1nF,10%,50V,TP,1005

C624

2203-000455

C-CHIP,1nF,5%,50V,TP,2012

C409

2203-000585

C-CHIP,220pF,10%,50V,TP,1005

C950,C956

2203-000604

C-CHIP,22nF,10%,25V,TP,1608

C305,C330,C374,C376,C378,C415,
C505,C506,C515,C611,C617

2203-000628

C-CHIP,22pF,5%,50V,TP,1005

C405,C418,C423,C428,C454,C457,C458,C459,C460,
C510,C511,C520,C530,C632,C633,C639

2203-000679

C-CHIP,27pF,5%,50V,TP,1005

C128,C136,C609

2203-000725

C-CHIP,3.9nF,10%,50V,TP,1005

C614

2203-000800

C-CHIP,33nF,10%,25V,TP,1608

C302,C306,C319

2203-000812

C-CHIP,33pF,5%,50V,TP,1005

C610

2203-000836

C-CHIP,390pF,10%,50V,TP,1005

C325

2203-000854

C-CHIP,39pF,5%,50V,TP,1005

C304,C357,C810,C819,C862,C867

2203-000940

C-CHIP,470pF,10%,50V,TP,1005

C321,C350,C353,C377,C647

2203-001017

C-CHIP,4pF,5%,50V,TP,1005

C1004

2203-001033

C-CHIP,5.6nF,10%,25V,TP,1005

C518,C519

2203-001072

C-CHIP,56pF,5%,50V,TP,1005

C165,C166,C167,C168

2203-001101

C-CHIP,6.8nF,10%,25V,X7R,TP,1005

C507,C513

2203-001153

C-CHIP,68pF,5%,50V,TP,1005

C300,C307,C315,C540,C606

2203-001178

C-CHIP,6pF,5%,50V,TP,1005

C314,C339

2203-001201

C-CHIP,7pF,5%,50V,TP,1005

C410,C430

2203-001221

C-CHIP,820pF,10%,50V,TP,1005

C613

2203-001259

C-CHIP,8pF,5%,50V,TP,1005

C169

2203-001402

C-CHIP,220nF,+80-20%,16V,TP,1608

C523

2203-001408

C-CHIP,270pF,5%,50V,TP,1608

C429

2203-002525

C-CHIP,560pF,10%,50V,TP,1005

C313

2203-002668

C-CHIP,0.5pF,0.1pF,50V,TP,1005

C214,C317,C906,C954,C964,C990,C996,C997,C1008
C1020,C1021,C1022,C1023,C1024

2203-003054

C-CHIP,9pF,5%,50V,TP,1005

Electrical Parts List

2-4

REFERENCE

SEC.CODE

DESCRIPTIONS

C341,C349

2203-005050

C-CHIP,1.8pF,5%,50V,TP,1005

C210,C528,C603,C644

2203-005054

C-CHIP,4.7pF,5%,50V,TP,1005

C102,C117,C126,C134,C141,C204,C205,C206
C254,C258,C259,C260,C261,C358,C363,C372
C500,C608,C618,C634,C851,C853,C855,C869
C874,C901,C902,C903C904,C905,C961,C971
C972,C973,C974,C995,C999,C1000,C1005,C1010

2203-005061

C-CHIP,100nF,+80-20%,16V,TP,1005

C170,C171,C172,C173,C257,C364,C533,C534
C536,C638,C669,C800,C830,C831,C872

2203-005065

C-CHIP,1uF,+80-20%,10V,TP,1608

C177,C342,C645

2203-005158

C-CHIP,2.2pF,5%,50V,TP,1005

C629

2203-005195

C-CHIP,10nF,5%,25V,TP,3216

C346,C602,C646

2203-005444

C-CHIP,3pF,5%,50V,TP,1005

C178,C179,C180,C181

2203-005480

C-CHIP,33nF,10%,10V,TP,1005

C957

2203-005481

C-CHIP,47nF,10%,10V,TP,1005

C365,C616

2203-005562

C-CHIP,10uF,+80-20%,10V,TP,3216

C131,C139,C200,C211,C262,C333,C359,C360,C433
C435,C531,C600,C601,C605,C607,C612,C615,C620
C622,C626,C630,C636,C801,C828,C833,C850,C852
C854,C859,C870,C979,C1006,C1007

2203-000254

C-CHIP,10nF,10%,16V,TP,1005

C464,C871

2404-001083

Cap-Tantal,220uF,6.3V,20%,TP,7125

C827

2404-001020

Cap-Tantal,10uF,6.3V,20%,TP,3612

C103,C104,C805,C806,C816,C817,C826,C845,C860,
C861,C868,C832

2404-001105

Cap-Tantal,10uF,6.3V,20%,TP,2012

C873

2404-001152

Cap-Tantal,220uF,20%,6.3V

C953

2404-001162

Cap-Tantal,47uF

C253

2203-005367

Cap-Tantal,6.8uF,20%,25V

L126,L128

2703-000217

Inductor,470uH/10%,2.5x3.2x2mm

L127,L129

2703-001071

Inductor,330uH/10%,2.5x3.2x2mm

L302

2703-001956

Inductor,100nH/5%,1608

L401

2703-001942

Inductor,33nH/5%,1608

L607

2703-001178

Inductor,3.3nH/0.3nH,1005

L327

2703-001943

Inductor,10nH/5%,1005

L175

2703-001290

Inductor,2.7nH/0.3nH,1608

L502,L503

2703-001308

Inductor,68nH/5%,1608

L177,L308,L600

2703-001950

Inductor,12nH/10%,1005

L320

2703-001544

Inductor,39nH/5%,1608

L250

2703-001595

Inductor,47nH/5%,1005

L300

2703-001685

Inductor,82nH/5%,1608

L402

2703-001708

Inductor,5.6nH/5%,1005

L800

2703-001928

Inductor,47uH/20% 4.8x4.8x1.8mm

L326

2703-001949

Inductor,4.7nH/5%,1005

L323,L500

2703-001722

Inductor,18nH/5%,1005

L321,L322,L405,L406,L504,L505

2703-001986

Inductor,33nH/5%,1005

L507,L324

2703-001726

Inductor,27nH/5%,1005

L328,L329,L602

2703-001727

Inductor,22nH/5%,1005

2-5

Electrical Parts List

REFERENCE

SEC.CODE

DESCRIPTIONS

L604

2703-001728

Inductor,1.5nH/0.3nH,1005

L301,L303,L501

2703-001732

Inductor,56nH/5%,1608

L305,L310

2703-001952

Inductor,8.2nH/5%,1005

L309,L325,L340

2703-001953

Inductor,6.8nH/5%,1005

L306,L319

2703-001984

Inductor,3.9nH/10%,1005

L307,L603,L606

2703-001954

Inductor,2.7nH/0.3nH,1005

L251

2703-001740

Inductor,10uH/20%,1608

L601

2703-001794

Inductor,120nH/2%,1608

L318

2703-001798

Inductor,2.2nH/5%,1005

L801

2703-002020

Inductor,2.2mH/20%

X201

2801-003847

Crystal

X600

2806-001190

DUAL VCO,1171~1216MHz,3V,8mA,TP

X501

2806-001194

DCS TX VCO

X500

2806-001199

GSM TX VCO

X601

2809-001220

VCTCXO-13MHz

F305

2903-001203

Ceramic Filter

F300

2904-001146

Filter-SAW-AV,246MHz

F301

2904-001147

Filter-SAW-AV,942.5MHz

F303,F304

2904-001170

Filter-SAW,1842.5MHz,75MHz

F302

2904-001175

GSM RX SAW

U401

2909-001086

ANTENNA SWITCH,942.5MHz,897.5MHz

F200,F201

3301-001208

Core-Ferrite Bead

J100

3709-001121

SIM CONNECTOR,6P,2.54mm,SMD-S

M950

3710-001105

CONNECTOR-SOCKET,2P,1.27mm,SMD-S

J176

3710-001302

I/F Connetctor,18P,0.5mm

J151

3710-001428

BTB Connector,24P,0.5mm

J901

3722-001380

Earphone jack,6P

U405

4709-001174

Directional Coupler,890-915/1710-1785MHz

R360,R359,R604,R615,R632,C130,C138,C176,C370,C380,
C367,C369,C517,C529,C535,C643,L176,L311,L341,L605

SOT,NC

SMD
REFERENCE

SEC.CODE

DESCRIPTIONS

C863

4302-001081

BATT/CAP250uAH 3.3V

J180

GH96-00891A

LCD(LCD+EL+LCD Bracket)

motor

GH31-10004A

Vibrator motor

W176

GH39-00041A

Semirigid Cable

PCB

GH41-00090A

SGH-2488 PCB

GH42-00038A

ANTENNA

GH96-00892A

KEYPAD ASS’Y

GH71-00020A

ANTENNA CLIP

A176

Electrical Parts List

2-6

OPTION
REFERENCE

SEC.CODE

DESCRIPTIONS

JIG

GH80-10508A

SGH-2400 TEST JIG

CABLE

GH39-30532A

SGH-2400 TEST JIG CABLE

TA

GH44-30553A

SGH-2400 TRAVEL ADAPTOR(China)

TA CABLE

GH39-10504A

SGH-2400 TA CABLE

CLA

GH44-00040A

SGH-2400 CLA

DTC

GH44-00090A

DESK TOP CHARGE

SLIM BATTERY

540mAh ( Light Grey )

SLIM BATTERY

540mAh ( Dark Grey )

SLIM BATTERY

540mAh ( BLACK )

STANDARD BATTERY

GH43-00143D

750mAh ( Light Grey )

STANDARD BATTERY

GH43-00143E

750mAh ( Dark Grey )

STANDARD BATTERY

GH43-00143F

750mAh ( BLACK )

EXTENDED BATTERY

GH43-00183D

1000mAh ( Light Grey )

EXTENDED BATTERY

GH43-00183E

1000mAh ( Dark Grey )

EXTENDED BATTERY

GH43-00183F

1000mAh ( BLACK )

DATA KIT

GH96-00774A

SGH-2400 DATA KIT

HFK
EAR PHONE

2-7

HANDS FREE KIT
GH96-00830A

EAR PHONE

Electrical Parts List

Block Diagrams

U405

PA

OP
amp

DCSPAM U408

TXPOWER

DET.

DUAL
COUPLER

PA

GSMPAM U402

BPF

F300

RXLO2
259MHz

X501

VCO

VCO

X500

Dip.

DCSTX1

Dip.

DUAL
PLL

PLLEN

VGA

LPF
U500

BPF

VCO

PDF

EGSM:1171.2~1216MHz
DCS:2019.2~2125.8MHz

DUAL
VCO

BANDSEL

U301

BPF

F305

DEMODEN

RXLO1GSM
1171.2~1205.8MHZ

246MHz

GSMTX1

RXLO1DCS
2051.2~2125.8MHz

GSMTX2 DCSTX2

TxEGSM(880~915MHz)

TXEN1

RxDCS(1805~1880MHz)

SAW

SAW

LNA

F304

U305

U300

RxEN_FEDCS

F303

Q300

SAW

SAW

LNA

F302

F301

RxEN_FEGSM

TxDCS(1710~1785MHz)

DCS

U401

GSM

GSMTX2 DCSTX2

RxEGSM
(925~960MHz)

90˚

REF
13MHz

QRXP

RXLO3
13MHz

1/3

1/5

TXEN1

BPF

QTX
QTXI
ITX
ITXI

DCS:310.8MHz
GSM:295.8MHz

Mod.

X2

EGSM:493~518MHz
DCS:498~519MHz

Ref
Osc

TXEN1

PLL

O˚

IRXP

VMID

3 Block Diagrams

3-1 Main RF

3-1

3-2

Graphic LCD
(128 x 64)

KeyPad

16M ROM

EEPROM 256K

32M FLASH
+ 4M SRAM

Memory

SYSTEM
CLOCK

Li_lon Battery (3.6V)

Charging Circuit

KERNEL 5

GSM/DCS

VOCODER

GSM/DCS

POWER
Circuit

GSM/DCS
RF interface

B.B Interface

SIM Card

VCC

AVCC

RF PSU

PLL

I/O BB Filter

A/D Interface

I/O Interface

Serial Data
Interface

3V Tx
Multi
Switch
Array

DCS PSU

GSM PSU

DCS Tx

GSM Tx

DCS PLL

GSM PLL

Battery
Temperature

Battery Voltage

+5V SIM Card

+3V SIM Card

3-2 Main Base Band

Block Diagrams

AC
INPUT

EMI FILTER
CIRCUIT

Block Diagrams
P.W.M
CONTROL

FIRST
RECTIFIRE

ISOLATION
OPTO COUPLER

POWER
SWITCHING
(MOS FET)

ISOLATION
POWER
TRANSFORMER

FEED BACK

SECOND
RECTIFIRE

O.C.P

FILTER
DC
INPUT

3-3 Travel Adapter

3-3

INPUT
9V DC

3-4

Switching TR
Circuit
UVLO
Overcurrent Protector

CHOKE COIL

Feed Back

Overheat
Protector

Reference
Voltage

2nd Regulator

Static Current Circuit
Static Voltage Circuit

MPU

LED

Filter

FRT 4.1V

FET Switch
REAR 4.1V

Battery Type Detector
Charge Voltage Detector
Charge Voltage Selector

FET Switch

3-4 Desk Top Charger

Block Diagrams

PCB Diagrams

4-1 Main Top

4. PCB Diagrams

4-1

PCB Diagrams

4-2 Main Bottom

4-2

5-1

VAGC

AFC

+VBATT

+3VPLL

AVCC

+VBATT

+3VBB

+3VBB

STARTUP_VOLTS

_RESET

IRXP

IRXP

SYNDATA

+3VLNAGSM
+3VX

+3VDC

+3VX

+3VDC

+3VDEMOD

+3VLNAGSM

+3VDEMOD

+3VLO2

+3VLNADCS

+3VLO2

+3VLO1

+3VLNADCS

AVCC
+3VLO1

+3VTX

+3VMD

BANDSEL

_BANDSEL

+VBATT

+3VPLL

+3VTX

+3V_RTC

_RESET

+3VMD

RF_ON_OFF

POWER_ON

QTX

GSMTX2

+3V_RTC

_RESET

RF_ON_OFF

POWER_ON

STARTUP_VOLTS

BANDSEL

_BANDSEL

QTX1

QTX

QTX1

ITX1

ITX1

ITX

SYNDATA

ITX

SYNEN

SYNEN

RXEN_FEDCS
SYNCLK

SYNCLK

RXEN_FEGSM

RXEN_FEDCS

TXEN2

RXEN_FEGSM

TXEN1

TXEN1

TXEN2

CLK13M

VMID

VMID

CLK13M

ANT
QRXP

ANT

DEMODEN

QRXP

DEMODEN

5. Schematic Diagrams

5-1 Top Level

Schematic Diagrams

VAGC

AFC

TXPOWER

DCSTX1

GSMTX1

DCSTX2

GSMTX1

GSMTX2

DCSTX1

DCSTX2

TXPOWER

Schematic Diagrams
TXPOWER

QTX

QTX1

QTX

QTX1

$DESIGNS/s50-0040a01/iss_AC/radio

TXPOWER

TXEN2

TXEN2

ITX1

TXDCS

TXGSM

ITX1

TXDCS

ITX

TXEN1

ITX

TXEN1

DCSTX2

TXEN1

_BANDSEL

TXL02

TXL01

RXDCSIN

RXGSMIN

DEMODEN

RXL03

CLK13M

RXL02

RXL01DCS

RXL02

RXL01DCS

RXL03

RXL01GSM

RXL01GSM

VAGC

RXEN_FEDCS

RXEN_FEGSM

TXGSM

+3VLO1

TXL02

+3VLO2

GSMTX2

+3VX
BANDSEL

+3VPLL

TXL01

+3VMD

DCSTX1

GSMTX1

DCSTX1

SYNEN

AFC

GSMTX1

GSMTX2

DCSTX2

+VBATT

DEMODEN

SYNEN

AFC

SYNCLK

SYNDATA

SYNCLK

SYNDATA

VAGC

RXEN_FEDCS

RXEN_FEGSM

+3VX

+3VPLL

+3VLO2

+3VLO1

+3VDEMOD

+3VDC

+3VLNADCS

+3VLNAGSM

QRXP
VMID

QRXP
VMID

ANT

RXGSMIN

RXDCSIN

+3VTX

+3VTX

ANT

BANDSEL

_BANDSEL

CLK13M

+3VMD

+3VMD

+3VDEMOD

+3VDC

+3VLNADCS

+3VLNAGSM

IRXP

IRXP

5-2 Radio

5-2

+3VTX

+VBATT

AFC

SYNCLK
SYNDATA
SYNEN

+3VX

+3VPLL

+3VLO2

+3VLO1

R630
10K

+3VX

+3VPLL

+3VLO2

+3VLO1

C630
10nF

R655

VCONT

C617
22pF

1.8K

GND

OUTPUT

VCC

X601
13.0Mhz TCO-999

+3VX

C626
10nF

C618
100nF

R631
0

R622
22K

C636
10nF

C634
100nF

R637
10K

R615
SOT

C615
10nF

C608
100nF

R643
180K

R639
150K

R638
10

+3VLO1

C627
1nF

R618
180K

R610
150K

R607
10

+3VX

R644
220

C621
1nF

CLK
DATA
LE

C635
100pF

4 7 1417

FO_LD

_FINRF

CPOIF
FINIF
_FINIF
CPORF
U603 FINRF
LMX2330L
PLL
6
10

18
16
15
3
5

C622
10nF

R627
18

+3VPLL

R626
3R9

+3VPLL

1 2 1920
OSCIN
GND

Q604
BFS17W

R640
2.2K

11
12
13

8
9

C637
1nF

R645
3R9

+3VPLL

R619
1.2K_1%

R625
18

+3VPLL

C620
10nF

C612
10nF

Q601
BFS17W

R611
1K

VCCRF
VPRF
VPIF
VCCIF

5-3
GND1
GND2
GND3
GND4

C628
100pF

C623
100pF

3.9nF

C609

R609
2.7K

C633
27pF

0805
COG

C624
1nF

C647
4pF

0603

C614
33nF

R612
820

R646
1K

D600

X600
DUALVCO

5
VB
6
OUTPUT
10
SW 11

C632
27pF

C625
150pF

R632
SOT

1206
COG

C629
10nF

R629
3K

R628
6.2K

R633
10

2 3 4 7 8 9

VC

L607
3.3nH

12

1

C613
8pF

C606
6pF

R603
6.8K

R623
18

+3VLO1

SMV1249-001

R606
6.2K

C601
10nF

MQWROTO-1193M2073A1

L602
22nH

C610
390pF

C611
22pF

0603,2%

L601
120nH

0603

C638
1uF

1206

C639
27pF

0603

C669
1uF

R654
22

C616
10uF

R613
200

R621
100

R602
10

+3VLO2

R651
22

C643
SOT

C607
10nF

L604
1.5nH

R652
3.9R

C605
10nF

L605
SOT

1

4

2

6

5

3

GND1 GND
4
1

Q600

C602
3pF

C645
2.2pF

L603
2.7nH

R650
10

+3VLO1

TRANSISTOR

L600
12nH

U604
MRFIC0916
2 RF_INRF_OUT 3

C642
100pF

R617
120

C641
1nF

C644
4.7pF

R605
10K

R608
3.3K

C600
10nF

R601
10

+3VLO2

L606
2.7nH

C646
3pF

R604
SOT C603
4.7pF

R647
0

C604
12pF

R653
100

R649
51

R648
51

RXL03

_BANDSEL

TXL01

RXL01GSM

RXL01DCS

RXL02

CLK13M

TXL02

5-3 Main VCO and Local

Schematic Diagrams

RXL01DCS

RXDCSIN

RXEN_FEDCS

+3VDEMOD

+3VDC

+3VLNADCS

+3VLNAGSM

RXGSMIN

C330
22pF

+3VDEMOD

+3VDC

+3VLNADCS

+3VLNAGSM

L311
SOT

IN

OUT

GND1
GND2
GND3
GND4

1
3
4
6

2

5

L340
6.8nH

C306
33pF

2

IN

C369
SOT

C313
0.5pF

L305
8.2nH

OUT

R306
180

L321
33nH

F303
B4693
FILTER

C310
12pF

C342
2.2pF

C339
7pF

R316
180

L328
22nH

C321
4pF

8

1
2

C350
4pF

C349
1.8pF

R317
180

MI

7

14

MI

AO

LOX
MOX
U305
PMB2333
MIXER STB

MO

C370
SOT

4

+3VDC

3

AREF VCC
AI

LO

AO

LOX
MOX
U300
PMB2333
MIXER STB

LO

MO

10

3

4

14

10

GC
MIX
GND1GND2GND3GND4

L329
22nH

12

11

7
AREF VCC
AI

C367
SOT

+3VDC

16

15

13

6

5

MIX
GC
GND1GND2GND3GND4

L322
33nH

12

11

R311
180

L341
NC

R313 L318
1K_1% 2.2nH 9

C325
39pF

L319
3.9nH

6

1
2
8
R303 L306
1K_1% 3.9nH9

(1608)

L302
100nH

L309
6.8nH

C302
33pF

C314
7pF C315
6pF

C317
9pF

C346
3pF

C341
1.8pF

GND1

L310
8.2nH

GND4

C305
22pF

GND5

F301
B4703
FILTER

5

RXL01GSM

1

GND

3

GND2

4

GND3

7

R360
SOT

16

15

13

6

5

C337
100pF

C318
100pF

C303
100pF

C348
10pF

R326
0

C319
33pF

2

+3VLNAGSM

R304
18

C333
10nF

+3VDC

C378
22pF

U302
UMC5N

6

R308
10

L308
12nH

1
2

F300
B4818
FILTER

IN

L326
4.7nH

L324
27nH

R363
10K

GND

REXT

Vs

R305
51

U307
BCR400

5

CONTR

OUT

FILTER

C376
22pF

C368
100pF

2

7
8

FAR-F5CH-942M50-L2KM

F302

9 12

3 4 6

COIL
IN
OUT
IN-R
OUT-R

10

(1608) Coilcraft

GND1
GND2
GND3
C372
100nF

4

3

C380
NC

C375
1nF

1

R309
2.7K

C316
15pF

C307
6pF

R301
4.3K

L307
2.7nH

(1608)

L303
56nH

(1608)

L301
56nH

GND4
GND5
GND1
GND2
GND3
GND4
1
3
4
6

RXEN_FEGSM

8

L300
82nH

Q300
BFP405

C373
1nF

(1608)

L320
39nH

C379
1nF

C374
22pF

R364
51

R359
SOT

C377
4pF

R361
0

R357
330

C371
1nF

L325
6.8nH

L323
18nH

R362
160

C358
100nF

R352
47K

C353
4pF

C311
1nF

R355
332_1%

R351
4.7K

L327
10nH

C352
1nF

C351
1nF

2

C359
10nF

IN

1

VPS1
FLTR
IOUT
QOUT
VPS2
DMIP
IFOP
COM2
GAIN-RS
IFLO

2

OUT

OUT

6

6

(3216)

C365
10uF

3 6

NC

U303
UMC5N

5 2

GND

IN

CFECS13.0ME23-TC

13MHz FILTER

F305

DEMODULATOR

FDIN
COM1
PRUP
LOIP
RFLO
RFHI
GREF
MXOP
VMID
IFHI

F304
B4693
FILTER

1
2
3
4
5
6
7
8
9
10

R365
330

C304
470pF

R300
20K

U301
AD607

R353
47K

GND
GND1
GND2
GND3
GND4
GND5

Schematic Diagrams
1
3
4
5
7
8

C300
6pF

R356

1

4

3

C361
1nF

330
C354
1nF

C362
100pF

C357
470pF

C363
100nF

NOTE
COIL CRAFT : L300,L301,L303,L320

+3VLNADCS

4

C360
10nF

20
19
18
17
16
15
14
13
12
11

R354
3.3K

C356
1nF

+3VDEMOD

(1608)

C364
1uF

VAGC

IRXP
QRXP

DEMODEN

RXL03

VMID

RXL02

5-4 Receiver

5-4

+3VMD

DCSTX1

GSMTX1

BANDSEL

TXL02

TXL01

ITX

ITX1

QTX1

5

+3VMD

0603

C535
NC

0603

C534
1uF

G

G

R531
0

5

D

S

TP0101T

U502

5

D

S

+3VMD

TP0101T

U501

+3VMD

+3VTXVCOGSM

+3VTXVCODCS

5

R510
390

C539
12pF

L507
27nH

C512
10pF

R519
51

R507
910

C507
68pF

C513
68pF

20
13
14
11

28

27

3

2

15
1

R528
100K

G
S

4

Q500
2N7002

R529
1K

D

21

26

8

5

C504
1nF

18

24

1608

L502
68nH

5
R524
10

+3VMD

10

16
17

5
6

9

C531
10nF

L504
33nH

C528
4.7pF

1608

L501
56nH

R518
470

C518
56pF

22
C511
23 27pF

25

12

19

R503
10

C503
100pF

5

+3VMD

R502
10

+3VMD

VS1 VS2 VS3 VSP
MC
PU
Q
PUMIX
NQ
MIXO
MDLO
RF
NI
U500
NRF
U2893B
PLL
CPO
I
MDO
MIXLO
NMDO
RD
ND
NRD
NND
CPC
GND1GND2GND3
GNDP

7

C502
100pF

C501
100pF

R505
0

R501
10

R500
10

R520 C521 R521 C522
100pF 11K 1nF
51

C516
100pF

C515
22pF

C509
100pF

R512
910

C500
100nF

5
5

+3VMD

L505
33nH

1608

L503
68nH

C540
6pF

C519
56pF

C510
27pF

C505
22pF

5

C506
22pF

C508
100pF

R504
10

0805
COG

R522
240

C524
1.5nF

0603
COG

C514
15pF

C523
270pF

R511
51

L500
18nH

R526
330

R516
470

R527
10

1608

C536
1uF

5

X500
MQE9P7-897
SUPPLY
CONTROLOUTPUT

C517
27pF

R514
3R9

X501
MQE9PE-1747
SUPPLY
CONTROLOUTPUT

C529
27pF

R523
3R9

+3VTXVCODCS

R517
10

1608

C533
1uF

5

+3VTXVCOGSM

GND1
GND1

5

GND4

+3VMD

GND2
GND2

QTX

5

GND3
GND3

5-5
GND4

TXEN1

C530
27pF

C520
27pF

R515
470

R525
330
TXDCS

TXGSM

5-5 Modulator & Tx Vco

Schematic Diagrams

R413
560

DCSTX2

TXDCS

TXPOWER

5

+3VALC

GSMTX2

TXEN1

1608

L401
33nH

R430
150

R415
1K_1%

5

+3VTX

R429
91

R435
1.8K_1%

R431
39

C429
560pF

HSMS-2805-L31

D400

R434
1.2K_1%

C411
100pF

R427
91

C430
820pF

C416
100pF

5

+3VALC

R432
150

R417
680

R414
8.2K_1%

5

+3VALC

3

4
R409
3.3K_1%

R407
3.9K

C410
820pF

C428
27pF

-

+

5

4

5

U413

TC7S66FU

CONT
GND

OUT

VCC IN

5

5

+3VALC

R416
12K_1%

2

-V

+V

4

5

TC7S66FU

CONT
GND

OUT

VCC IN

U414

C415
22pF

R412
22K_1%

1

3

2

1

C409
220pF

+3VALC

3

2

1

5 U406
LM7131ACM5
OPAMP

+3VALC

C418
27pF

R445
68

L402
5.6nH

1

3

U402
PF01411B
POWER_AMP

PIN

VAPC
GND1

TXGSM

R428
82

1

5

POUT

7

U408
PF0414B
3 POWER_AMP 5

PIN

VAPC
GND1
2

POUT

VDD

2

GND2
4

VDD
GND4
8

GND3
6
GND2
4

GND3
6

GND4
8

7

C445
120pF

5

C435
10nF

+3VDCS

C405
27pF

C454
27pF

C433
10nF

5

7125

C423
27pF

DCSTX2

C464
220uF/6.3V

8

3

1

C458
27pF

2

6

PORT5_COUPLING_OUT
PORT6_TERMINATION
GND1 GND2

PORT3_DCS_INPORT4_DCS_OUT

PORT1_GSM_IN
PORT2_GSM_OUT

U405
LDC15D140A0001
COUPLER

5

+3VTX

R419
10K

5

+3VTX

4

5

7

R410
51

D401
MCL4154

R404
120

R418
10K

+VBATT

+3VTX

R420
51

C459
27pF

C460
27pF

DCSTRx

GSMTRx

15

11

5

+3VTX

12

2

5

+3VGSM

1

GND1 3
GND3 6
GND5 10

ANT

U401
SHS_L090D
RF_SWITCH
14 4
9
16
VC2 VC1DCSRxGSMRx

L406
33nH

5 GND2
8 GND4

13

7

C431
15pF

L405
33nH

C457
27pF

R406
120

GND6
GND7

Schematic Diagrams
GND8
GND9

+3VGSM

5

+3VDCS

ANT

RXGSMIN

RXDCSIN

5-6 Transmit Output Stage

5-6

+VBATT

+VBATT

+3VBB

TXEN2

DCVOLT

ON_OFF

SCL

LCD_EN

LCD_WR

LCD_A2

D(0:15)

CF

VF

BOOT

BACKLIGHT
RI_LIGHT
_RESET

KEYBOARD_COL(0:4)

KEYBOARD_ROW(0:4)

STARTUP_VOLTS

MIC-

MIC+

REED

+VBATT

ANT

+VBATT

SDA
SCL

RI_LIGHT

BACKLIGHT

DCIN

KEYBOARD_COL(0:4) RTC_ON_OFF

+3V_RTC

CHG_ON

BAT_VOLT

_RTC_INT

uP_ON_OFF

RF_ON_OFF

CHRG_CURRENT

KEYBOARD_ROW(0:4)

LCD_EN

LCD_WR

LCD_A2

BOOT

TXPOWER

AFC

REED

RS232_CTS

SPK2N

SDA

VAGC

RS232_CTS

RS232_RTS

MIC2P

SPK2P

DEMODEN

RS232_TXD
RS232_RTS

RS232_TXD

MIC2N

REFADCP
REFADCN

RS232_RXD

BBFILTEN

TXCLK

CLK13M

RXCLK

TXDATA

TXEN1

RXEN_FE

RS232_RXD

TXCLK

MIC2N

RXDATA

TXRDY

RXRDY

TXSFM

+3VBB

RXCLK

TXDATA

RXDATA

TXRDY

MIC2P

SPK2N

SPK2P

MIC-

MIC+

QTX1

REFTXP

REFTXN

BFI
RXSFM

SP

RXRDY

TXSFM

CHRG_CURRENT

CF

VF

MAX_VOLT

BAT_TYPE

POWER_ON

+VBATT

STARTUP_VOLTS

TEMPERATURE

CHK_BAT

CHG_ON

DCIN

RTC_ON_OFF

ON_OFF

DCVOLT

BAT_VOLT

_RTC_INT

uP_ON_OFF

BAT_VSET

REFADCN

REFADCP

TXEN2

TXEN1

REFTXP

QTX

BAT_VSET

REFTXN

BANDSEL

RXEN_FE

ITX1

ITX

KIRX

SIMDATA

SIMRST

SIMCLK

SIM_5V3V

KQRX1

KQRX

SIMALIM

KIRX1

CLK13M_K

SYNEN

SYNCLK

_RESET

CHK_BAT

TEMPERATURE

BAT_TYPE

CS_FLASH2
SYNDATA

KIRX

DCSTX2

DCSTX1

GSMTX2

GSMTX1

_BANDSEL

RXEN_FEDCS

RXEN_FEGSM

QRXP

VMID

KQRX1

BANDSEL

RD
WR
CSVOC

AVCC
IRXP

KIRX1
KQRX

CSROM

BBFILTEN

CSRAM

RXSFM

BFI

SP

CLK13M_K

_RESET

RD

WR

CSVOC

A(0:20)

D(0:15)

A(0:20)
D(0:15)

+3VBB
AVCC

MAX_VOLT

CS_FLASH2

D(0:15)

A(0:20)

SIMDATA

CSRAM

SIMCLK

SIMRST

RD
WR

SIM_5V3V

AVCC

CSROM

+3VBB

5-7

SIMALIM

+VBATT

AVCC

5-7 Base Band Block

Schematic Diagrams

Schematic Diagrams

CSRAM

uP_ON_OFF

CSROM

A(21)

CS_FLASH2
RD
WR
_RESET

A(0:21)

2

1

3

5

4

U971
TC7S32FU

R999

-

+

+3VBB

10K

R991
100K

2

G

3

1

+3VBB

4

5

6

+3VBB

Q959
2SA1576

VCC

U973
NC7SZ19

R988
10K

3

2

1

+3VBB

R998
10K

A(0)

A(1)
A(2)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
A(19)
A(20)

A(2)
A(3)
A(4)
A(5)
A(6)
A(7)
A(8)
A(9)
A(10)
A(11)
A(12)
A(13)
A(14)
A(15)
A(16)
A(17)
A(18)
A(19)
A(20)
A(21)
A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19

U972
E7
F7
D5
E5
F4
D3
E3
F2
D6
E6
F6
D4
E4
F3
D2
E2

E8
GND0
F1
GND1

A4
VPP
E1
VCCQ
F5
VCC

I_O0
I_O1
I_O2
I_O3
I_O4
I_O5
I_O6
I_O7
I_O8
I_O9
I_O10
I_O11
I_O12
I_O13
I_O14
I_O15

S-A18

A0
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
F-A18
F-A19

B3
S-CE2
B8
S-CE1

B4
S-WE
A7
S-OE

C4
F-WE
H8
F-OE
C5
F-RP

H7
F-BE0
C6
F-BE1

H9

H6
G6
H5
H4
G5
G4
G3
F5
D5
B6
B5
A4
A5
A6
F7
G8
B7
F4
F3
E5

U970
LRS1349

G10
F9
F8
E8
D9
C10
C8
B9
G9
F10
E9
D8
C7
C9
B10
A9

D10

D7

E10

D4

E3
F-VCCW
E4
F-WP

S-GND

S-VCC

D3
F-GND
A8
F-GND1
G7
F-GND2

F-VCC

F-BYTE

C999
100nF

+3VBB

R997
100K

+3VBB

C995
100nF

C3
T1
D6
T2
E6
T3
E7
T4

DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
FDQ8
FDQ9
FDQ10
FDQ11
FDQ12
FDQ13
FDQ14
FDQ15

H1 H2 H3 H10 H11 H12

F6

NC : A1 A2 A3 A10 A11 A12

AT49BV1604

D7
CE
F8
OE
B3 WE
B4
RESET

D8
C8
B8
C7
A8
B7
C6
A7
A3
C3
B2
A2
C2
A1
B1
C1
D1
B6
B5
A6

C1000
100nF

+3VBB

D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)

D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)
D(8)
D(9)
D(10)
D(11)
D(12)
D(13)
D(14)
D(15)

SIMALIM

SIM_5V3V

SIMDATA

SIMRST

SIMCLK

R100
100K

R101
100K

8

7

6

5

4

3

2

1

+3VBB

D(0:15)

M0

M1

_SS

DVCC

DDRV

DATA

RIN

CIN

GND

C1-

C1+

VIN

VCC

I_O

RST

CLK

U102
LTC1555
CONVERTER

(0805)

9

(0805)

C103 AND C104 TO BE CLOSE TO SIM

C102
100nF

1

3

2

4

5

D904
SMF05

4

C104
10uF,6.3V

12

10

11

1

2

3

5

13

C103
10uF,6.3V

+3VBB

6

R107
10K

14

15

16

R106
10K

(I/O)

J100-4 (GND)

J100-1 (VCCSIM)

J100-6

J100-2 (RST)

J100-3 (CLK)

J100-5(VPP)

SIM CONNECTOR

5-8 Memory & SIM Schematic

5-8

BUZ-

BUZ+

SP

BFI

BBFILTEN
RI_LIGHT
RF_ON_OFF
VIBRATOR
REED

CSVOC
RD
WR

D(0:15)

TXRDY
A(0:20)

TXSFM
RXSFM

_RESET

+VBATT

D(0)
D(1)
D(2)
D(3)
D(4)
D(5)
D(6)
D(7)

A(7)

A(2)
A(3)
A(4)
A(5)
A(6)

C979
10nF

R985
10K

Q951
2SD2114KT146

D902
DA221

13
12

14

53
52
51
50
49

70
71

77
79
78

80
1
2
3
6
7
8
9

72
73
74
75
76

66
65
68
67

62

64

GPI05
SP

BFI

GPIO0
GPIO1
GPIO2
GPIO3
GPIO4

A5
MP

CSN
RDN
WRN

AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7

A0
A1
A2
A3
A4

INT2
INT1
PCMRDY
GSMRDY

NRST

H13M

+3VBB

R978
0

AVD_PLL 58
VDD_PLL 69

VP40548-2

U950
VOCODER

VSSI-1
VSSI-2
4
47

11
VDDO-1
16
VDDO-2

10
VSSO-1
17
VSSO-2
41 VSSO-3

5
15
48
VDDI-1
VDDI-2
VDDI-3
57 AVS_PLL
63 VSS_PLL

SDI1
SDI2
SDI3
SDI4
DAICLK
DAI1
DAI2
DAIRST

VREFN

VREFP

ALERTER

PWO1P
PWO1N
PWO2P
PWO2N

VXI1P
VXI1N
VXI2P
VXI2N

MICREFP
MICREFN

PCMIN

PCMOUT

TXRDY
TXCLK
TXDATA
RXRDY
RXCLK
RXDATA

AVCC

AVD 29
AVD_AMP 35

31 AVSUB
28
AVS_AMP
18 AVS

5-9
+3VBB

40
42
43
45
39
37
38
25

24

23

36

30
32
34
33

22
21
20
19

27
26

44

46

60
59
61

54
55
56

R962
10K

TP952

TP406

R984
10K

VIBRATOR

R963
10K

C957
47nF

TP401

+3VBB

R1000
220

C958

R972
100K

Q962
2SD2114KT146

C961
100nF

R952
10K

+3VBB

15pF

C990
9pF

9pF

D901
DA221

C996

C953
47uF

R951
1K

(0603)

R981
16K_1%

R979
16K_1%

24-8005-002-000-867

VIBRATOR

2

M950

STARTUP_VOLTS

1

C954
9pF

R980
100K

AVCC AVCC

R954
1K

(NICHICON-A)

C956
22nF

C966 C967
15pF 15pF

C951
15pF

R953
330

R950
330

C974 C971 C972 C973
100nF 100nF 100nF 100nF

+3VBB

C964
9pF

AVCC

C1018
15pF

C1012
15pF

AVCC

(0603)

C950
22nF

4

5

6

4

5

6
IN
V+
GND

GND

MAX4544EUT-T

NC

V+

IN

U963

COM

NO

MAX4544EUT-T

NC

COM

NO

U962

U960-A
TC75W56FU

C1009
15pF

3

2

1

3

2

1

JACK_IN

C970
15pF

C969
15pF

C968
15pF

C1023 C1016 C1024 C1017
9pF 15pF
9pF 15pF

AVCC
Q957-1
FDG6301N

C959

R987
10K_1%

R983
14K_1%

G

C906
9pF

6

5

4

3

2

1

IN1
IN2
IN3
IN4
IN5
IN6

1

C997

9pF

2

5

D820
SMF05

4

EAR_SWITCH

SPK2P
SPK2N

SPK-

SPK+

MIC2P
MIC2N

U960-B
TC75W56FU

AVCC

3

AUDIO-JACK
02-787B2-53BKA

J901

C1013 C1020 C1014
9pF 15pF
15pF

HEADSET_EN

MIC-

MIC+

RXRDY
RXCLK
RXDATA

TXCLK
TXDATA

C1022 C1015 C1021 C1019
9pF 15pF
9pF 15pF

S

C1008 C1011
9pF
15pF

15pF

AVCC

D

CLK13M_K

5-9 Vocoder

Schematic Diagrams

Schematic Diagrams

RS232_TXD

RS232_RXD

RS232_RTS

MAX4.2_BOOT

SPK2N

SPK2P

SCL

SDA

RS232_CTS

+3VBB

DCVOLT

MIC2P

MIC2N

ANT

VF

+VBATT

+3VBB

100

100

100

100

100

100
100

100

100

R178

R179

R180

R181

R182
R183

R188

R185

100

R187

R177

100

R186

1

3

2

5

D101
SMF05

4
1

3

2

5

D102
SMF05

4

1

3

2

5

D176
SMF05

4

A176
ANTENNA CLIP
L176
NC
C176
NC

L175
2.7nH
C177
2.2pF

2

1
D179
VC060314A300
0603

L177
12nH

W176
COAX_CABLE

100

R184

+VBATT

D176-179 CLOSE TO J176

DCVOLT TO BE THICK TRACK UP TO R293 AND PAS (area fill)

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

I1

I2

I3

I4

I5

I6

I7

I8

I9

I10

I11

I12

I13

I14

I15

I16

I17

I18

I19

I20

I21

I22

I23

I24

I25

I26

J176
+VBATT
VF

GND3

TXD

RXD

RTS

BOOT

GND2

GND1

SPK2N

SPK2P

SCL

SDA

CTS

+3VBB

DCVOLT2

DCVOLT1

MIC2P

MIC2N

GND5

RF

ANT

GND4

-VBATT

CF

INTERFACE CONNECTOR

33nF

C181

0

33nF

33nF

33nF

C180

C179

C178

+VBATT TO BE THICK TRACK UP TO U802 AND PAS (area fill)

LAYOUT NOTES

R105

D104
VC060305A150
0603

0603, coilcraft only

VC060305A150
0603

D103

5-10 Interface Connector

5-10

KEYBOARD_ROW(3)

KEYBOARD_ROW(4)

6

7

KEYBOARD_COL(2)

KEYBOARD_COL(3)

KEYBOARD_COL(4)

21

22

23

ON_OFF

STARTUP_VOLTS

STARTUP_VOLTS

KEYBOARD_COL(1)

20

24

KEYBOARD_COL(0)

19

18

17

16

15

14

13

12

11

10

9

D903
SMF05

KEYBOARD_ROW(2)

5

8

KEYBOARD_ROW(1)

4

R151
100K

KEYBOARD_ROW(0)

GND

IN

3

MMI INTERFACE CONNECTOR
(AXK5F24335J)

J151-24

J151-23

J151-22

J151-21

J151-20

J151-19

J151-18

J151-17

J151-16

J151-15

J151-14

J151-13

J151-12

J151-11

J151-10

J151-9

J151-8

J151-7

J151-6

J151-5

J151-4

J151-3

J151-2

2

1

OUT

1

3

4

5

J151-1

R152
10K

Q151

2

5-11

RN1102

+3VBB

2

3

C1004
5.6nF

Q958
MMBT2907A

1

C1005
100nF

SPKKEYBOARD_COL(0:4)

SPK+

R153
MIC+ 100K

MIC-

BUZ+

BUZ-

4

3

2

1

V+

E

CHF GND

Base Vout

L+

L-

2.2mH

U969
D361A

L801

REED

R162
100K

Q961
2SD2114KT146

KEYBOARD_ROW(0:4)

+VBATT

LED100
CL-150YG-CD-T

R163
100

+VBATT

5

6

7

8

Q153

C1006
10nF

R1001
1K

OUT

EL1-B

EL1-A

R994
1K

RI_LIGHT

BACKLIGHT

BACKLIGHT

EL CONNECTOR

2

1

GND

IN

RN1102

32

31

30

29

28

27

19
20
21
22
23
24
25
26

18

17

16

15

14

13

12

11

10

9

8

7

1uF

1uF

1uF

1uF

(0603)

C173

(0603)

C172

(0603)

C171

(0603)

C170

D(15)
D(14)
D(13)
D(12)
D(11)
D(10)
D(9)
D(8)

C1007
10nF

R996
10K

+3VBB

220nF (0603)

6.8nF

C168

C169

6.8nF

C167

6

5

6.8nF
6.8nF

C166

C165

4

3

2

1

LCD CONNECTOR
(UG-12B-046X-DA)

J180-32

J180-31

J180-30

J180-29

J180-28

J180-27

J180-19
J180-20
J180-21
J180-22
J180-23
J180-24
J180-25
J180-26

J180-18

J180-17

J180-16

J180-15

J180-14

J180-13

J180-12

J180-11

J180-10

J180-9

J180-8

J180-7

J180-6

J180-5

J180-4

J180-3

J180-2

J180-1

+3VBB

DESCRIPTION
+VBAT1
+VBAT2 1
ROW0
1
1
ROW1
ROW2
1
1
ROW3
ROW4
1
GND1
2
BACKLIGHT 2
BUZBUZ+
GND2

NO
13
4
5
6
7
8
9
0
1
22
23
24

DESCRIPTION
MICMIC+
REED
SPK+
SPKON_OFF
COL0
COL1
COL2
COL3
COL4
STARTUP_VOLT

NO
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16

LCD_EN

_RESET

LCD_A2

LCD_WR

D(8:15)

DESCRIPTION
DUMMY 1
IN+RS
1
V4
1
V3
2
V2
2
V1
V0
VR(N.C) 2
C2C2+
C1C1+
C3C3+
VOUT
VDD

NO
7
8
9
0
1
22
23
4
25
26
27
28
29
30
31
32

H1

H3

H4

H5

E2

EL FIXING HOLE

H2

PCB FIXING HOLE

DESCRIPTION
VSS
VDD
DB7
DB6
DB5
DB4
DB3
DB2
DB1
DB0
E_RD
RW_WR
RS
RESETB
CS2
DUMMY

KS0713 LCD PIN ASSIGN

NO
1
2
3
4
5
6
7
8
9
10
11
12

24PIN CONNECTOR ASSIGN

5-11 MMI Interface

Schematic Diagrams

5

RS232_TXD
RS232_RXD
RS232_CTS
RS232_RTS

TEMPERATURE
CS_FLASH2
LCD_EN
TXDATA
TXRDY
TXCLK
RXDATA
RXRDY
RXCLK
SP
BFI
TXSFM
RXSFM

RD
WR
HEADSET_EN
CSROM
CSRAM
CSVOC

LCD_WR
LCD_A2

uP_ON_OFF
EAR_SWITCH
D(0:15)

C201
15pF

AVCC

C214
9pF

A(0:21)

JACK_IN
MAX4.2_BOOT

CLK13M_K

_RESET

R222
100K

+3VBB

C204
100nF

+3VBB

C206
100nF

R235
10K

+3VBB

R212
100K

+3VBB

C207
1nF

+3VBB

4.7pF

R210
10K

+3VBB

C205
100nF

C210

L250
47nH

C211
10NF

+3VBB

0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

R218
47K

0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21

+3VBB

R205
10K

+3VBB

R219
47K
H12
H13
F13
F12
N9
D12

G13
G10
K9
M10
L10
N11
L11
J12
N13
M13

C8
B8
A8
B7
A7
C7
D7
A6
B6
D6
A5
B5
C5
D5
A4
C4
A3
B3
C3
A2
B2
A1
B1
C2
D4
D3
D2
D1
E4
E3
E1
F4
F3
F2
F1
G2
G1
G3
H2
H3
M12
N12
J1
C10
A10
L3
A9
C9
B9
J4
K1
K2
D9

J2
H4
J10
K13
L1

C200
10nF

+3VBB

+3VBB

TXD
RXD
CTS
RTS
DSR
DTR

TXDATA
TXRDY
TXCLOCK
RXDATA
RXRDY
RXCLOCK
SP
BFI
CSCOD
CSDEC

ADD0
ADD1
ADD2
ADD3
ADD4
ADD5
ADD6
ADD7
ADD8
ADD9
ADD10
ADD11
ADD12
ADD13
ADD14
ADD15
ADD16
ADD17
ADD18
ADD19
ADD20
GPIO6-ADD21
GPIO7-ADD22
GPIO8-ADD23
DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
DATA8
DATA9
DATA10
DATA11
DATA12
DATA13
DATA14
DATA15
BUSREQ
BUSACK
DACK
RDB
WRB
GPIO3-MSIZE
CSROM
CSRAM
CSVOC
CSUSR1-AUXV2
CSUSR2-AUXV3
CSUSR3-AUXV4
LCDEN

+3VBB
5

AVCC

ROW0
ROW1
ROW2
ROW3
ROW4
COL0
COL1
COL2
COL3
COL4

AUXVREFP
AUXVREFN

AUXV0
AUXV1

PLLDAT
PLLCLK
PLLEN1
PLLEN2

AGC-P
AFC-P
PTX-P

PDTX
SPW1
SPW2
SPW3
SPW4

I-IN-P
I-IN-N
Q-IN-P
Q-IN-N
VREFIQN
VREFIQP

I-OUT-P
I-OUT-N
Q-OUT-P
Q-OUT-N

EECS
SCK
SDAT

GPIO4-PWM1

EIRQN-EXTINT
GPIO0
GPIO1
GPIO2-EXTPROC

SIMVDD
SIMDATA
SIMCLK
SIMRST
SIMPRES
SIMALIM
GPIO9-SIMDATA_OEN

U200
KERNEL

SYSCLKI
SYSCLKO
SYSRST
GPIO10-WATCHDOG
GPIO5-BOOT-PWM2

5

+3VBB

E13
G4
K11
VSSI-1
C6
VSSI-2

R232
10K

D11
N10
K3
E2
B4

VSSE-1
VSSE-2
VSSE-3
VSSE-4
VSSE-5

VDDI-1
VDDI-2

G11
L6
H1
C1
D8
VDDO-1
VDDO-2
VDDO-3
VDDO-4
VDDO-5

N2
M5
AVD-1
AVD-2
AVS-1
AVS-2
AVS-3

Schematic Diagrams
N5
M4
N4

CLK13M

K12
J13
J11

L2

B10
N1
M2
M1

F10
F11
E11
E10
D13
E12
J3

C13
C12
C11
B13
B12
A13
A12
B11
A11
D10

M7
M6

N7
N6

G12
M9
H10
H11

K6
L5
K5

L9
L12
L13
K10
M11

L4
K4
N3
M3
K7
L7

M8
N8
L8
K8

R220
1K

+3VBB

R213
100K

R221
1K

R214
100K

R215

0
1
2
3
4

0

0
1
2
3
4

1
2
3
4

5

U202
RS5C372A
CLOCK

2.2K_1%
R201
2.2K_1%
R203
2.2K_1%

8
7
6
5

+3VBB

2.2K_1%

_INTRB
VDD
OSCIN
SCL
SDA
OSCOUT
VSS
_INTRA

+3VBB

R202

R200

TP954

TP953

C215
100pF

X201
32.768KHz

+3VBB

C216
100pF

AVCC

C217
100pF

5

1
2
3
4

A0
A1
A2
VSS

VCC
WP
SCL
SDA

U203

R209
100K

8
7
6
5
AT24C256-10UI-2.7
(dBGA TYPE)

R208
47K

AVCC

+3VBB

+3VBB

C218
100pF

5
R238
10K

AVCC

+3VBB

R231
100K

CHG_ON

SIMALIM
SIM_5V3V
BACKLIGHT
+3V_RTC
DCIN

SIMDATA
SIMCLK
SIMRST

SCL
SDA

KEYBOARD_COL(0:4)

KEYBOARD_ROW(0:4)

VF
BAT_VOLT
REFADCP
REFADCN

SYNDATA
SYNCLK
SYNEN

TXEN1
TXEN2
RXEN_FE
DEMODEN
BANDSEL
VAGC
AFC
TXPOWER

ITX
ITX1
QTX
QTX1
KIRX
KIRX1
KQRX
KQRX1
REFTXN
REFTXP

5-12 Kernel

5-12

5-13

KQRX1

KQRX

KIRX1

KIRX

+3VBBF

C134
100nF

R132
100K_1%

C141
100nF

R136
680

R130
680

R137
100K_1%

U127-D
TS925IPT
OPAMP
16

U127-B
TS925IPT
OPAMP
7

-

+

-

+

15

14

6

5

R135
100

R129
100

2012

L129
330u

C136
3.9nF

2012

L127
330u

C128
3.9nF

C139
10nF

C131
10nF

C126
100nF

2012

L128
470u

C135
1nF

2012

L126
470u

C127
1nF

C138
SOT

C130
SOT

8
PGND

U127-E
TS925IPT
OPAMP

4

13

V-

R134
270

R128
270

STDBY

V+

R126
47K

9

4

U127-C
TS925IPT
OPAMP
10

U127-A
TS925IPT
OPAMP
1

1

2

-

+

-

+

UMC5N
U128

11

12

2

3

6

3

C117
100nF

R133
1K_1%

R121
1K_1%

R127
1K_1%

QRXP

VMID

IRXP

BBFILTEN

AVCC

5-13 Baseband Filters

Schematic Diagrams

Schematic Diagrams

C902
100nF

C903
100nF

R902
332_1%

R900
1.2K_1%

AVCC

REFTXN

REFTXP

RXEN_FE

C904
100nF

R905
1.2K_1%

R904
10K_1%

R903
1.2K_1%

AVCC

C905
100nF

TXEN2

TXEN1

BANDSEL

REFADCN

REFADCP

1
2

5

U901

4

5

U902

5

5

5

U903

4

TC7S08FU

U906

4

TC7S08FU

U904

4

TC7S00FU

U905
TC7S04FU
NC
4
OUTY
INA
GND
3

VCC 5

+
IN1OUT
2 IN2
3

1

+
IN1OUT
2 IN2
3

1

+
IN1OUT
2 IN2
3

1

TC7S00FU
+
IN1OUT 4
2 IN2
3

1

TC7S08FU
+
IN1OUT 4
2 IN2
3

1

U900

TC7S08FU

+
IN1OUT
2 IN2
3

1

5

+3VBB

R907
10K

R906
10K

_BANDSEL

DCSTX2

GSMTX2

DCSTX1

GSMTX1

RXEN_FEDCS

RXEN_FEGSM

C901
100nF

+3VBB

5-14 Control Logics

5-14

5-15

MAX4.2_BOOT

BAT_VOLT

+VBATT

DCVOLT

uP_ON_OFF

ON_OFF

F201
BLM11P600S

F200
BLM11P600S

L251
10uH
(1608)

R259
100K_1%

R258
82K_1%

R251
100K

C261
100nF

D252
DAN222

C258
100nF

2

G

U252
UMC5N

1

4

3

S

D
Q957-2
FDG6301N

R260
270K_1%

D253
UPS5817

6

STARTUP_VOLTS

R261
18K_1%

8

7

6

5

4

3

2

1

R262
12K_1%

9

10

11

12

13

14

15

16

D255
UPS5817

GND7

BAT

GND6

Vc

PROG

VCC1

VCC2

GND5

LT1510-5CGN

GND4

SENSE

GND3

OVP

GND2

BOOST

SW

GND1

U253

R252
100K

GND

OUT

R223
2.7K

C259
100nF

RN1104

Q257

C1210

IN

C253
6.8uF,25V

D251
UMN1

R263
100K

2

R254
100K

R264
1k

C260
100nF

DCVOLT

R253
10K

GND

OUT

R255
10K

C262
10nF

IN

Q256
RN1104

R265
300_1%

(1608)

C257
1UF

IN

Q255
RN1102

R266
8.2K_1%

R256
10K

R257
56K

AVCC

TH1
NTH5G40B473

GND

OUT

+3VBB

C254
100nF

CHG_ON

TEMPERATURE

DCIN

POWER_ON

POWER_ON_D

5-15 Power Management

Schematic Diagrams

Schematic Diagrams

RF_ON_OFF

POWER_ON

+VBATT

+3VTX

+3VX

AVCC

+3VBB

+3VPLL

+3VLO2

+3VLO1

+3VLNADCS

+3VLNAGSM

+3VMD

+3VDEMOD

+3VDC

RF_ON_OFF

POWER_ON

+VBATT

+3VTX

+3VX

AVCC

+3VBB

+3VPLL

+3VLO2

+3VLO1

+3VLNADCS

+3VLNAGSM

+3VMD

+3VDEMOD

+3VDC

C860
10uF,6.3V

+3V8

+3V8

1

C833
10nF

1

1

U801

IN

U810

OUT

4
ADJ
5

2

OUT

4
ADJ
5

MIC5205-3.0BM5

GND

EN

5

U806

OUT

ADJ

4

C867
470pF

C801
10nF

0805

C868
10uF,6.3V

+3VMD

C869
100nF

C832
10uF,6.3V
0805

AVCC

0805

C855
100nF

C851
100nF

C853
100nF

+3V8

C830
1uF
0603

+3VDC

1
GND
2

EN
IN

3

+3VDEMOD

OUT

ADJ

4
5
C859
10nF

MIC5205-3.0BM5

POWER_ON_D
U811

+3VPLL +3VLO1 +3VLO2

C817
10uF,6.3V
0805

1206

C827
10uF,6.3V

+3VLNAGSM +3VLNADCS

C805
10uF,6.3V

+3VX

C810
470pF

C819
470pF

C828
10nF

MIC5205-3.0BM5

2

GND

EN
IN

3

5

MIC5205-3.0BM5

GND
2

EN
IN

3

5

MIC5205-3.0BM5

POWER_ON_D

C850
10nF

3

OUT

4
ADJ

2 U803

GND

EN
IN

U805

POWER_ON_D

C852
10nF

1

3

4
ADJ
OUT

MIC5205-3.0BM5

2

GND

EN
IN

3

RF_ON_OFF

C854
10nF

1

RF_ON_OFF

RF_ON_OFF

C870
10nF

0603

C831
1uF

0805

C806
10uF,6.3V

+3V8

0805

C816
10uF,6.3V

+3V8

0805

C826
10uF,6.3V

+3V8

0805

C845
10uF,6.3V

+3VBB

+3VTX

+VBATT

C800
1uF

U809

1

GND

2

U804

P

FB

REF

CLSEL

1

P

IN
GND
2

3
EN

1

OUT

5

IN OUT

P

R812
100K

C862
470pF

2

0805

6

7

8

C861
10uF,6.3V

9

10

JP300
STARPOINT

4
ADJ

_SHDN

BATT

GND

LX

OUT

U812
MAX1676

_LBO

LBI

C872
1uF

5

4

3

2

1

MIC5205-3.3BM5

MAX809EUR-T

RESET

VCC

3

R995
1K

+3VBB

P

7125

C871
220uF/6.3V

+VBATT

D801
MCL4154

R805
200

L800

BTC-0309A-470

1

6

U813
UMC5N

C863
250uAH
MS414

POWER_ON

C1010
100nF

+3V_RTC

STARTUP_VOLTS

_RESET

C874
100nF

2

P

C873
220uF/6.3V
NICHICON-G

+3V8

+3V_RTC

STARTUP_VOLTS

R811
1K

4

3

D808
UPS5817

5-16 Power Supply Units

5-16



---

Source Exif Data:

File Type                       : PDF
File Type Extension             : pdf
MIME Type                       : application/pdf
PDF Version                     : 1.3
Linearized                      : No
Create Date                     : 2000:06:02 09:31:25
Author                          : xux99
Subject                         : Samsung SGH-2488 service manual
Creator                         : QuarkXPressª 3.3E: LaserWriter 8 8.3.4
Keywords                        : Samsung, SGH-2488, service, manual
Producer                        : Acrobat Distiller 3.01 for Power Macintosh
Title                           : Samsung SGH-2488 service manual
Modify Date                     : 2008:03:17 03:24:50+02:00
Page Layout                     : OneColumn
Page Mode                       : UseThumbs
Page Count                      : 42

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