SAMSUNG DVD-CM250 Schematic Diagram
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Samsung Electronics 6-1
6. Schematic Diagrams
◆ Block Identification of Main PCB- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-1 S.M.P.S.-1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-2 S.M.P.S.-2 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-3 Function-Timer - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-4 Volume - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6-5 Power Drive - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-6 Logic- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-7 A/V - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-8 Hi-Fi - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-9 AM/FM Receiver- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-10 Input-Output - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-11 TM - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-12 A2/NICAM - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-13 SECAM - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-14 OSD/VPS/PDC - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6-15 DVD Micom- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-16 DVD Servo - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-17 DVD Audio/Video Interface - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-18 Digital Amp - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
6-2
6-3
6-4
6-5
6-6
6-7
6-8
6-9
6-10
6-11
6-12
6-13
6-14
6-15
6-16
6-17
6-18
6-19
6-20
VCR Main PCB
DVD Main PCB
For schematic Diagram
- Resistors are in ohms, 1/8W unless otherwise noted.
Note
Special note :
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.
Note :
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).
Important safety notices :
Components identified with the mark have the special characteristics for safety. When replacing any of these components.
Use only the same type.
Schematic Diagrams
6-2 Samsung Electronics
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◆ Block Identification of Main PCB
VCR MAIN PCB
<Component Side>
<Conductor Side>
LA72646M
LA71750M
uPD78F4928GF-3BA
LA72646M
LA71750M
uPD78F4928GF-3BA
DVD MAIN PCB
<Component Side>
6-1 S.M.P.S.-1
Schematic Diagrams
Samsung Electronics 6-3
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Schematic Diagrams
6-4 Samsung Electronics
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6-2 S.M.P.S.-2
Schematic Diagrams
Samsung Electronics 6-5
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6-3 Function-Timer
Schematic Diagrams
6-6 Samsung Electronics
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6-4 Volume
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