DVDHR750

User Manual: DVDHR750

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DVD-RECORDER
Chassis : Nexus (4rd Generation)
BASIC : DVD-HR755
Application Models
: DVD-HR750 / DVD-HR751 /
DVD-HR753 / DVD-HR755 /
DVD-HR756
Application Areas

:

SERVICE MANUAL
DVD-HR750/ DVD-HR751/ DVD-HR753/ DVD-HR755/ DVD-HR756

ELECTRONICS

EUR, SED, XEB, XEC, XEE, XEF, XEG,XEH,
XEN, XEO, XET, XEU, XER, NWT,AND, AFR,
AND, SMR, UMG, XSG, XFA,XSA, RAD,
XSH, XSS, XST, XTL, SAM, XSE, XSV,
CHN, HAC, TAW, SEO

SERVICE
DVD-RECORDER

Manual
Merit & Character regarding Product
ΠMulti format Recording
DVD-RW/DVD+RW/DVD-R/DVD+R/DVD RAM
´ Multi format playback
DVD/DVD-RW/DVD+RW/DVD-R/DVD+R/
DVD RAM/MP3/JPEG/DIVX
ˇ Recording mode
XP(1Hour) / SP(2Hour) / LP(4Hour) /
EP(6~8Hour)
¨ Progressive scan
ˆ Automatic Chapter product on
Ø 59mm Slim Design

This Service Manual is a property of Samsung Electronics Co.,Ltd.
Any unauthorized use of Manual can be punished under applicable
international and/or domestic law.

© Samsung Electronics Co., Ltd. FEB. 2007
Printed in Korea
AK82-01208A

Block Diagrams

8-1 All Block Diagram
Audio

8-2

Video

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Block Diagrams

8-2 PIC1 (TSB4AB1) Block Diagram

Samsung Electronics

This Document can not be used without Samsung’s authorization.

8-3

Block Diagrams

8-3 VIC1 (SAA7138) Block Diagram

8-4

This Document can not be used without Samsung’s authorization.

Samsung Electronics

9. Wiring Diagram

Samsung Electronics

9-1

Schematic Diagrams

◆ Block Identification of Main PCB

- Main PCB

- Jack PCB

IEEE1394
PHY CHIP

USB

TM
Block

MPEG ENCODER/
DECODER
MEMORY

I/O Block

A/V DAC, ADC

A/V Block

Power
Block

HDMI
CEC
Block
System Control
&
Servo Block

11-2

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Schematic Diagrams

11-1 S.M.P.S (SMPS PCB)

Power

Samsung Electronics

This Document can not be used without Samsung’s authorization.

11-3

Schematic Diagrams

11-2 Main Connector (Main PCB)

Power

11-4

Audio

Video

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Schematic Diagrams

11-3 DRAM (Main PCB)

Power

Samsung Electronics

This Document can not be used without Samsung’s authorization.

11-5

Schematic Diagrams

11-4 ATAPI (Main PCB)

Power

Œ
Œ

ΠFlash CS5

11-6

◆ These are the waveforms of DVD-HR750/DVD-HR751/DVD-HR753/DVD-HR755/DVD-HR756.
Caution There can be some differences (Voltage, Frequency, stc.) among cameras.

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Schematic Diagrams

11-5 DV Interface (Main PCB)
Power

ΠDV IN CLK

Œ

◆ These are the waveforms of DVD-HR750/DVD-HR751/DVD-HR753/DVD-HR755/DVD-HR756.
Caution There can be some differences (Voltage, Frequency, stc.) among cameras.
Samsung Electronics

This Document can not be used without Samsung’s authorization.

11-7

Schematic Diagrams

11-6 MS9400 Codec (Main PCB)
Power

Audio

Video

ΠDDR Clock

Œ

◆ These are the waveforms of DVD-750/
DVD-HR751/DVD-HR753/
DVD-HR755/DVD-HR756.
Caution There can be some differences
(Voltage, Frequency, stc.) among
cameras.
11-8

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Schematic Diagrams

11-7 Power (Main PCB)
Power

Samsung Electronics

This Document can not be used without Samsung’s authorization.

11-9

Schematic Diagrams

11-8 SAA7138 Video Decoder (Main PCB)
Power

Audio

Video

ΠCVBS Input

´

ˇ

¨

ˆ
´ PCMO BCK

Œ

ˇ PCMO LRCLK

Ø

¨ PCMO Data Out

ˆ PCMIO XCLK

Ø VIN CLK

◆ These are the waveforms of DVD-HR750/DVD-HR751/DVD-HR753/DVD-HR755/DVD-HR756.
Caution There can be some differences (Voltage, Frequency, stc.) among cameras.

11-10

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Schematic Diagrams

11-9 USB Interface (Main PCB)
Power

Samsung Electronics

This Document can not be used without Samsung’s authorization.

11-11

Schematic Diagrams

11-10 CEC (Jack PCB)

Power

11-12

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Schematic Diagrams

11-11 System Control (Jack PCB)
Power

Samsung Electronics

Audio

Video

This Document can not be used without Samsung’s authorization.

11-13

Schematic Diagrams

11-12 TM (Jack PCB)
Power

Audio

Video

Œ

´

ΠSIF Out of RF

11-14

´ Vout of RF

◆ These are the waveforms of DVD-HR750/DVD-HR751/DVD-HR753/DVD-HR755/DVD-HR756.
Caution There can be some differences (Voltage, Frequency, stc.) among cameras.

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Schematic Diagrams

11-13 Power (Jack PCB)
Power

Samsung Electronics

This Document can not be used without Samsung’s authorization.

11-15

Schematic Diagrams

11-14 Connection (Jack PCB)
Power

Audio

Video

Œ

ΠIEC958 Digital Audio
11-16

◆ These are the waveforms of DVD-HR750/DVD-HR751/DVD-HR753/DVD-HR755/DVD-HR756.
Caution There can be some differences (Voltage, Frequency, stc.) among cameras.

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Schematic Diagrams

11-15 I/O Jack (Jack PCB)
Power

Audio

Video

Ø

ΠY(Color-bar)

ˆ

´ Pb(Color-bar)

Œ
´

ˇ Pr(Color-bar)

ˇ

¨

¨ CVBS(Color-bar)

ˆ Y(Color-bar)

Ø C(Color-bar)

◆ These are the waveforms of DVD-HR750/DVD-HR751/DVD-HR753/DVD-HR755/DVD-HR756.
Caution There can be some differences (Voltage, Frequency, stc.) among cameras.

Samsung Electronics

This Document can not be used without Samsung’s authorization.

11-17

Schematic Diagrams

11-16 I/O_Switching (Jack PCB)
Power

11-18

Audio

Video

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Schematic Diagrams

11-17 Display Key (Jack PCB)
Power

Samsung Electronics

Audio

Video

This Document can not be used without Samsung’s authorization.

11-19

Schematic Diagrams

11-18 Display Key (Function PCB)

Power

11-20

This Document can not be used without Samsung’s authorization.

Samsung Electronics

Schematic Diagrams

11-19 HDMI Connector (HDMI PCB)

Power

Audio

Video

ˇ

ˆ
¨

ΠTMDS Clock

´

´ I2C Data

ˇ I2C Clock

Œ
Ø

¨ SPDIF HDMI

ˆ VOut Ckock

Ø VOut Data of ITU656

◆ These are the waveforms of DVD-HR750/DVD-HR751/DVD-HR753/DVD-HR755/DVD-HR756.
Caution There can be some differences (Voltage, Frequency, stc.) among cameras.

Samsung Electronics

This Document can not be used without Samsung’s authorization.

11-21



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