DVDHR750
User Manual: DVDHR750
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DVD-RECORDER
ŒMulti 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
ˇRecording mode
XP(1Hour) / SP(2Hour) / LP(4Hour) /
EP(6~8Hour)
¨Progressive scan
ˆAutomatic Chapter product on
Ø59mm Slim Design
DVD-RECORDER Merit & Character regarding Product
SERVICE MANUAL DVD-HR750/ DVD-HR751/ DVD-HR753/ DVD-HR755/ DVD-HR756
ELECTRONICS
© Samsung Electronics Co., Ltd. FEB. 2007
Printed in Korea
AK82-01208A
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.
Chassis : Nexus (4rd Generation)
BASIC : DVD-HR755
Application Models
: DVD-HR750 / DVD-HR751 /
DVD-HR753 / DVD-HR755 /
DVD-HR756
Application Areas
: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
Manual
Block Diagrams
8-2 Samsung Electronics
This Document can not be used without Samsung’s authorization.
8-1 All Block Diagram
Audio Video
Block Diagrams
Samsung Electronics 8-3This Document can not be used without Samsung’s authorization.
8-2 PIC1 (TSB4AB1) Block Diagram
Block Diagrams
8-4 Samsung Electronics
This Document can not be used without Samsung’s authorization.
8-3 VIC1 (SAA7138) Block Diagram
Samsung Electronics 9-1
9. Wiring Diagram
Schematic Diagrams
11-2 Samsung Electronics
This Document can not be used without Samsung’s authorization.
◆Block Identification of Main PCB
IEEE1394
PHY CHIP USB
A/V DAC, ADC
MEMORY
MPEG ENCODER/
DECODER
I/O Block
HDMI
CEC
Block
A/V Block
System Control
&
Servo Block
TM
Block Power
Block
- Main PCB - Jack PCB
Schematic Diagrams
Samsung Electronics 11-3
This Document can not be used without Samsung’s authorization.
11-1 S.M.P.S (SMPS PCB)
Power
Schematic Diagrams
11-4 Samsung Electronics
This Document can not be used without Samsung’s authorization.
AudioPower Video
11-2 Main Connector (Main PCB)
Schematic Diagrams
Samsung Electronics 11-5
This Document can not be used without Samsung’s authorization.
Power
11-3 DRAM (Main PCB)
Schematic Diagrams
11-6 Samsung Electronics
This Document can not be used without Samsung’s authorization.
Power
Œ
Œ
11-4 ATAPI (Main PCB)
ŒFlash CS5
◆
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.
Schematic Diagrams
Samsung Electronics 11-7
This Document can not be used without Samsung’s authorization.
Power
Œ
11-5 DV Interface (Main PCB)
ŒDV IN 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.
Schematic Diagrams
11-8 Samsung Electronics
This Document can not be used without Samsung’s authorization.
Power Audio Video
Œ
11-6 MS9400 Codec (Main PCB)
ŒDDR Clock
◆
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.
Schematic Diagrams
Samsung Electronics 11-9
This Document can not be used without Samsung’s authorization.
Power
11-7 Power (Main PCB)
Schematic Diagrams
11-10 Samsung Electronics
This Document can not be used without Samsung’s authorization.
Power Audio Video
Œ
´ˇ¨ˆ
Ø
11-8 SAA7138 Video Decoder (Main PCB)
ŒCVBS Input
´PCMO BCK
ˇPCMO LRCLK
¨PCMO Data Out
ˆPCMIO XCLK
ØVIN 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.
Schematic Diagrams
Samsung Electronics 11-11
This Document can not be used without Samsung’s authorization.
Power
11-9 USB Interface (Main PCB)
Schematic Diagrams
11-12 Samsung Electronics
This Document can not be used without Samsung’s authorization.
Power
11-10 CEC (Jack PCB)
Schematic Diagrams
Samsung Electronics 11-13
This Document can not be used without Samsung’s authorization.
Power Audio Video
11-11 System Control (Jack PCB)
Schematic Diagrams
11-14 Samsung Electronics
This Document can not be used without Samsung’s authorization.
Power Audio Video
Œ
´
11-12 TM (Jack PCB)
ŒSIF Out of RF ´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.
Schematic Diagrams
Samsung Electronics 11-15
This Document can not be used without Samsung’s authorization.
Power
11-13 Power (Jack PCB)
Schematic Diagrams
11-16 Samsung Electronics
This Document can not be used without Samsung’s authorization.
Audio VideoPower
Œ
11-14 Connection (Jack PCB)
ŒIEC958 Digital Audio
◆
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.
Schematic Diagrams
Samsung Electronics 11-17
This Document can not be used without Samsung’s authorization.
Power Audio Video
Ø
ˆ
Œ
´
ˇ
¨
11-15 I/O Jack (Jack PCB)
ΠY(Color-bar)
´ Pb(Color-bar)
ˇ Pr(Color-bar)
¨ 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.
Schematic Diagrams
11-18 Samsung Electronics
This Document can not be used without Samsung’s authorization.
Power Audio Video
11-16 I/O_Switching (Jack PCB)
Schematic Diagrams
Samsung Electronics 11-19
This Document can not be used without Samsung’s authorization.
Power Audio Video
11-17 Display Key (Jack PCB)
Schematic Diagrams
11-20 Samsung Electronics
This Document can not be used without Samsung’s authorization.
Power
11-18 Display Key (Function PCB)
Schematic Diagrams
Samsung Electronics 11-21
This Document can not be used without Samsung’s authorization.
Power Audio Video
´
ˇ¨
ˆ
Ø
Œ
11-19 HDMI Connector (HDMI PCB)
ŒTMDS Clock
´I2C Data
¨SPDIF HDMI
ˆVOut Ckock
ˇI2C Clock
ØVOut 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.
