Sony Car Stereo System Xr C6100 Users Manual

XR-C6100 to the manual 3b6c5534-a039-485d-986b-7ee83f1b3aab

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MICROFILM

SERVICE MANUAL

FM/MW/SW CASSETTE CAR STEREO

Saudi Arabia Model

SPECIFICATIONS

XR-C6100

Dolby noise reduction manufactured under license

from Dolby Laboratories Licensing Corporation.

“DOLBY” and the double-D symbol a are trade-

marks of Dolby Laboratories Licensing Corporation.

Model Name Using Similar Mechanism NEW

Tape Transport Mechanism Type MG-25F-136

– Continued on next page –

– 17 –

6-1. IC PIN FUNCTION DESCRIPTION

SECTION 6

DIAGRAMS

• MAIN BOARD IC501 µPD78058GC-F58-3B9 (SYSTEM CONTROLLER)

Pin No. Pin Name I/O Function

1 DSEL I Destination setting terminal Frequency select switch (S502) input in this set

“L”: MW 9k step or FM 50k step, “H”: MW 10k step or FM 200k step

2 RC IN0 I Rotary remote commander shift key A/D input terminal

3 SD IN I Station detector detect input from the FM/AM tuner unit (TU1)

Stop level for SEEK, BTM, etc. is determined SD is present at input of “H”

4 AVSS — Ground terminal (for A/D converter)

5 ST I/O

6 PLLCE O PLL serial chip enable output to the FM/AM PLL (IC1)

7 AVREF1 I Reference voltage (+5V) input terminal (for D/A converter)

8 PLLSI I PLL serial data input from the FM/AM PLL (IC1)

9 PLLSO O PLL serial data output to the FM/AM PLL (IC1)

10 PLLCKO O PLL serial data transfer clock signal output to the FM/AM PLL (IC1)

11 P-STIN I Polar stereo signal input terminal Not used (fixed at “H”)

12 LCDSO O Serial data output to the liquid crystal display driver (IC901)

13 LCDCKO O Serial data transfer clock signal output to the liquid crystal display driver (IC901)

14 LCDCE O Chip enable output to the liquid crystal display driver (IC901)

15 LCDINH O Blank indicate control signal output to the liquid crystal display driver (IC901)

“L”: no display

16 UNISI I Serial data input from the bus interface (IC701) (for SONY bus)

17 UNISO O Serial data output to the bus interface (IC701) (for SONY bus)

18 UNICKI I Serial data reading clock signal input terminal (for SONY bus)

19 UNICKO O Serial data transfer clock signal output to the bus interface (IC701) (for SONY bus)

20 BUSON O Bus on/off control signal output to the bus interface (IC701) (for SONY bus) “L”: bus on

21 SYSRST O Reset signal output to the bus interface (IC701) (for SONY bus) “L”: reset

22 AMPON O Standby control signal output to the power amplifier (IC611) “L”: standby

23 AMP MUT O Muting control signal output to the power amplifier (IC611) “L”: muting on

24 TUNON O Tuner system power supply on/off control signal output to the BA3918 (IC671) “H”: tuner on

25 FM ON O FM system power supply on/off control signal output to the BA3918 (IC671) “H”: FM on

26 PW ON O Main system power supply on/off control signal output to the BA3918 (IC671) “H”: power on

27 COLOR I Input terminal to set whether the illumination color change function is present or not

“L”: illumination color change function is present (fixed at “L” in this set)

28 AMSON O Tape auto music sensor control signal output to the CXA2510AQ (IC301)

“L” is output to lower the gain for audio level at FF/REW

29 REL I Reel table rotation detect signal input from the take-up and supply reel sensor

30 MTLIN I Input terminal to set whether the auto metal function is present or not

“L”: auto metal function is present Not used this function in this set (fixed at “H”)

31 POS3 I

32 POS2 I

33 GND — Ground terminal

34 POS0 I

35 POS1 I

36 LM LOD O Loading/tape operation motor control signal output to the LB1638M (IC361)

(For the loading direction and forward side operation) *1

Tape position detect input from the tape operation switch on the mechanism block

Tape position detect input from the tape operation switch on the mechanism block

Input of FM stereo detection signal from FM/AM tuner unit (TU1), and output of forced

monaural control signal to FM/AM tuner unit (TU1) (Commonly used for stereo display input

and forced monaural output)

FM stereo detection at input of “L”, forced monaural at output of “L”

– 18 –

Pin No. Pin Name I/O Function

37 LM EJ O Loading/tape operation motor control signal output to the LB1638M (IC361)

(For the eject direction and reverse side operation) *1

38 N/R OUT O Forward/reverse direction control signal output to the CXA2510AQ (IC301)

“L: forward direction, “H”: reverse direction

39 P.ON O Polar stereo detection signal output terminal “H”: polar stereo Not used (open)

40 CM ON O Capstan/reel motor (M901) drive signal output terminal “H”: motor on

41 TAPEON O Tape system power supply on/off control signal output terminal “H”: tape on

42 COLSEL I Setting terminal for the illumination color “L”: amber, “H”: green (fixed at “H”)

43 RC IN1 I Rotary remote commander shift key A/D input terminal

44 TEST I Setting terminal for the test mode “L”: test mode (normally fixed at “H”)

45 ILL ON O

46 BEEP O Beep sound signal output terminal

47 MUT O Line muting control signal output terminal “H”: line muting on

48 VOLCE O Chip enable signal output to the electrical volume (IC161)

49 SUBCE O Chip enable signal output terminal Not used in this set (open)

50 VOLCKO O Serial data transfer clock signal output to the electrical volume (IC161)

51 SUBCKO O Serial data transfer clock signal output terminal Not used in this set (open)

52 VOLSO O Serial data output to the electrical volume (IC161)

53 TAPMUT O Tape muting on/off control signal output to the CXA2510AQ (IC301) “H”: tape muting on

54 DOLON I/O

55 DOLBC I/O

56 AMSIN I Whether a music is present or not from CXA2510AQ (IC301) is detected at auto music sensor

“L”: music is present, “H”: music is not present

57 MTLSEL I/O

58 AD ON O Power supply on/off control signal output for the A/D converter “L”: power on

59 RAMBU I

60 RESET I System reset signal input from the reset signal generator (IC652) and reset switch (S503)

“L” is input for several 100 msec after power on, then it changes to “H”

61 SIRCS I Sircs signal input from the remote control receiver (IC902)

62 BU IN I Battery detect signal input terminal “H”: battery on

63 PW SEL I Power select switch (S501) input terminal “L”: off (halt mode), “H”: on (operation mode)

64 ACCIN I Accessory detect signal input terminal “L”: accessory on

65 NOSESW I Detects the removal of the attaching and removing type front panel block “L”: attaching

66 TELMUT I Telephone muting signal input terminal At input of “L”, the signal is attenuated by –20 dB

Internal RAM reset detection signal input from the RN5VD23AA (IC651)

Input terminal to check that RAM data are not destroyed due to low voltage

This checking is made within 100 msec after reset

Power supply on/off control signal output terminal at the illumination and liquid crystal display

driver (IC901) “H”: power on

At power select switch (S501) on mode: “H” output at the accessory on

At power select switch (S501) off mode: “H” output at the power on

Dolby control in/out terminal

At initial mode: valid/invalid selection input of dolby function (“L” input: valid)

At normal mode: dolby on/off control signal output to the CXA2510AQ (IC301)

“H”: dolby on

Dolby B/C selection control in/out terminal

At initial mode: dolby B only/dolby B and C type selection input (“L” input: dolby B and C)

At normal mode: dolby type selection signal output “L”: dolby B, “H”: dolby C

Not used this function (fixed at “H”)

METAL control in/out terminal

At initial mode: auto/manual mode selection input of METAL function “L”: manual mode

At manual mode: METAL on/off control signal output to the CXA2510AQ (IC301)

“H”: METAL on

At auto mode: input at MTLIN (pin #º)

– 19 –

Pin No. Pin Name I/O Function

67 KEYACK I Input of acknowledge signal for the key entry Acknowledge signal is input to accept function

and eject keys in the power off status On at input of “H”

68 VDD — Power supply terminal (+5V)

69 X OUT O Main system clock output terminal (5 MHz)

70 X IN I Main system clock input terminal (5 MHz)

71 GND — Ground terminal

72 XT OUT O Sub system clock output terminal (32.768 kHz)

73 XT IN I Sub system clock input terminal (32.768 kHz)

74 AVDD — Power supply terminal (+5V) (for A/D converter)

75 AVREF0 I Reference voltage input terminal (+5V) (for A/D converter)

76 KEYIN0 I

77 KEYIN1 I

78 D-BASS I D-BASS switch (SW951) input (A/D input)

79 VSM I FM and AM signal meter voltage detection input from the FM/AM tuner unit (TU1)

80 KEYSEL I Setting terminal for the key (fixed at “L”)

Key input terminal (A/D input)

OFF, SOURCE, MODE *, SEEK AMS + + ), SEEK AMS = 0 –, VOLUME –,

SEL, VOLUME +, DSPL, ATT keys input (LSW901 to LSW910)

Key input terminal (A/D input)

6, INTRO 1, REPEAT 2, SHUF/a 3, BL SKIP 6, ATA 5, BANK/MTL 4, BTM LCL, FILE,

PRESET DISC +/– keys input (LSW921 to LSW931)

*1 loading/tape operation motor control

MODE

TERMINAL

LM LOD (pin #§) “L” “H” “L” “H”

LM EJ (pin #¶) “L” “L” “H” “H”

STOP LOADING/

FORWARD

EJECT/

REVERSE BRAKE

– 23 – – 24 –

6-4. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 31 and 32 for IC Block Diagrams.

XR-C6100

– 25 – – 26 –

XR-C6100

6-5. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • See page 32 for IC Block Diagramas.

• Waveforms

1IC1 1 (XO)

2IC501 ^ª (XOUT)

4.2 Vp-p

7.2 MHz

4.6 Vp-p

5 MHz

3IC501 &™ (XT_OUT)

5 Vp-p

32.768 kHz

– 29 – – 30 –

XR-C6100

6-7. SCHEMATIC DIAGRAM – PANEL Section –

– 31 – – 32 –

• IC Block Diagrams

– MAIN BOARD –

IC1 BU2624F-E2

IC161 LC75373ED

1

2

3

4

5

6

7

8

9

10

20

19

18

15

14

13

12

11

16

20BIT COUNT

IF COUNT

CONTROL

SHIFT

REGISTER

LATCH

MAIN

COUNT

PRESCALLER

I/O

CONTROL

REFERENCE

DIVIDER PHASE

DETECT

17

XOUT

XIN

CE

CK

DA

CD

P0

P1

P3

P4

PD2

SD

IF2

IF1

P2

FMIN

AMIN

VSS

PD1

VDD

+

–

+

–

+

–

+

–+

–

+

–

+

–

+

–

+

–

+

–

+

–

+

–+

–

+

–

+

–

+

–

DECODER LATCH SHIFT

REGISTER CONTROL

–

+

+

–

12 3 45 6 7 8 9 10

20

19

18

17

16

15

14

13

12

11

21

22

2324252627282930313233

34

35

36

37

38

39

40

41

42

43

44

LSELO

L4

L3

L2

L1

VDD

R1

R2

R3

R4

RSELO

RVRIN

RCOM

RT1

RT2

RT3

RTOUT

RSIN

RS1

RS2

RS3

RSOUT

RFIN

RFOUT

RROUT

VSS

CL

DI

CE

VREF

LROUT

LFOUT

LFIN

LSOUT

LS3

LS2

LS1

LSIN

LTOUT

LT3

LT2

LT1

LCOM

LVRIN

IC301 CXA2510AQ-T4

+

–

+

–+–

+

–

+–

12345 6 7 8 9 10

20

19

18

17

16

15

14

13

12

11

2122232627282930

31

32

33

34

37

38

39

40

2425

PBFB2

PBRIN2

PBREF2

PBFIN2

35

36

PBGND

VCT

PBFIN1

PBREF1

PBRIN1

PBFB1

PBEQ2

PBOUT2

VCC

TAPEIN2

AUXIN2

MSLPF

LINEOUT2

TCH2

NC

PLAY

FF

MSTC

DGND

MSOUT

NC

NRSW

INSW

TAPESW

MSMODE

DRSW

MSSW

NC

TCH1

LINEOUT1

DIREF

AUXIN1

TAPEIN1

PBEQ1

PBOUT1

GND

F2

120µ/

70µ

X1

X1

VCT

+

F1

120µ/

70µNR

OFF/B

F3

LPF

VCC

DETECT

MS ON/

OFF

NR

MODE

FWD/RVS

TAPE EQ

TAPE/AUX

NR BIAS

NR

MS

MODE

OFF/B

T2

T1

IC361 LB1638M

1

2

3

4

5 6

7

8

9

10

GND

IN1

VCC

IN2

GND N.C.

OUT2

VS

OUT1

N.C.

CONTROL LOGIC

IC611 TDA7384

DRIVER DRIVER DRIVER

DRIVER

123 4 5613

10 12

11

7 8 916 1918

17 20 25

24

2322

21

TAB

GND

OUT2–

STNBY

OUT2+

VCC

OUT1–

GND

OUT1+

SVR

IN1

IN2

S-GND

IN4

IN3

AC-GND

OUT3+

GND

OUT3–

VCC

OUT4+

MUTE

OUT4–

GND

N.C.

14 15

IC671 BA3918-V2

+

–

+

–

+

–

+

–

OVER VOLTAGE

PROTECT

REGULATOR

12 3 45 6 7 8 9 10 1211

NC

MODE2

MODE1

STB

VDD

AMP

VCC

ANT

COM

AM

FM

GND

IC701 BA8270F-E2

1

2

3

4

5

6

7 8

9

10

14

13

12

11

BUS ON

SWITCH

RESET

SWITCH

BATTERY

SWITCH

BUS ON

RST

BATT

CLK

VREF

DATA

GND

VCC

RST

BUS ON

CLK IN

BU IN

DATA IN

DATA OUT