Service Manuals, User Guides, Schematic Diagrams or docs for : Samsung DVD DVD-HR755 DVD-HR755 DVD-HR755EUR schematic_diagram
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11. Schematic Diagrams
Note
Block Identification of Main PCB - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-2
For schematic Diagram
11-1 S.M.P.S (SMPS PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-3 - Resistors are in ohms, 1/8W unless otherwise noted.
Special note :
11-2 Main Connector (Main PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-4 Most semiconductor devices are electrostatically sensitive and therefore require the special handling techniques described under the
"electrostatically sensitive (ES) devices" section of this service manual.
11-3 DRAM (Main PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-5
Note :
11-4 ATAPI (Main PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-6 Do not use the part number shown on this drawing for ordering. The correct part number is shown in the parts list (may be slightly
different or amended since this drawing was prepared).
11-5 DV Interface (Main PCB)- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-7
Important safety notices :
Components identified with the mark have the special characteristics for safety. When replacing any of these components.
11-6 MS9400 Codec (Main PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-8 Use only the same type.
11-7 Power (Main PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-9
11-8 SAA7138 Video Decoder (Main PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - 11-10
11-9 USB Interface (Main PCB)- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-11
11-10 CEC (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-12
11-11 System Control (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-13
11-12 TM (Jack PCB)- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-14
11-13 Power (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-15
11-14 Connection (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-16
11-15 I/O Jack (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-17
11-16 I/O_Switching (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-18
11-17 Display Key (Jack PCB)- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-19
11-18 Display Key (Function PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-20
11-19 HDMI Connector (HDMI PCB)- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 11-21
Samsung Electronics This Document can not be used without Samsung's authorization. 11-1
Schematic Diagrams
Block Identification of Main PCB
- Main PCB - Jack PCB
I/O Block
TM
IEEE1394 USB Block A/V Block Power
PHY CHIP
Block
MPEG ENCODER/
DECODER
HDMI
MEMORY A/V DAC, ADC 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 Audio Video
11-4 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
OE
OE
OE Flash 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.
11-6 This Document can not be used without Samsung's authorization. Samsung Electronics
Schematic Diagrams
11-5 DV Interface (Main PCB)
Power
OE DV IN CLK
OE
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
OE DDR Clock
OE
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
OE CVBS Input
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