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7. Schematic Diagrams
7-1 All Block Diagram - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-2 S.M.P.S Circuit Operating Descriptions - - - - - - - - - - - - - - - - - - - - - - - - -
7-3 S.M.P.S (SMPS PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-4 Main Connector (Main PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-5 ATAPI (Main PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-6 Main Codec (Main PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-7 Video Decoder (Main PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-8 Dram (Main PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-9 DV Interface (Main PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-10 Power (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-11 System Control (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-12 NEC (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-13 TM (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-14 IO_Switching (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-15 IO (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-16 BB_Connector (Jack PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-17 Display key (FUNCTION PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
7-18 Power LED (FRONT PCB) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Samsung Electronics
7-2
For schematic Diagram
7-3
- Resistors are in ohms, 1/8W unless otherwise noted.
7-5
Special note :
Most semiconductor devices are electrostatically sensitive and therefore require the special handling techniques described under the
7-6
"electrostatically sensitive (ES) devices" section of this service manual.
7-7
Note :
7-8
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).
7-9
Important safety notices :
7-10
Components identified with the mark
Use only the same type.
7-11
7-12
Block Identification of PCB
7-13
7-14
7-15
7-16
7-17
7-18
7-19
System control
7-20
JACK PCB
This Document can not be used without Samsung's authorization.
Note
have the special characteristics for safety. When replacing any of these components.
Power
Audio Video Mux
Digital Analog TM Block
Digital
Audio
RCA
A/V
Terminal
Scart
I/O
7-1
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