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6. Schematic Diagrams


Block Identification of Main PCB- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-2 Note
6-1 S.M.P.S.-1 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-3 For schematic Diagram
- Resistors are in ohms, 1/8W unless otherwise noted.
6-2 S.M.P.S.-2 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-4
Special note :
6-3 Function-Timer - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-5 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.
6-4 Volume - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-6
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
VCR Main PCB different or amended since this drawing was prepared).

6-5 Power Drive - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-7
Important safety notices :
Components identified with the mark have the special characteristics for safety. When replacing any of these components.
6-6 Logic - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-8 Use only the same type.

6-7 A/V - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-9
6-8 Hi-Fi - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-10
6-9 AM/FM Receiver - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-11
6-10 Input-Output - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-12
6-11 TM- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-13
6-12 A2/NICAM - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-14
6-13 SECAM - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-15
6-14 OSD/VPS/PDC - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-16

DVD Main PCB
6-15 DVD Micom- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-17
6-16 DVD Servo - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-18
6-17 DVD Audio/Video Interface - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-19
6-18 Digital Amp- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6-20



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Schematic Diagrams



Block Identification of Main PCB




VCR MAIN PCB




LA
72
64




6M
6M




64
72
0M
LA




LA
71




75
75




71
0M




LA
uPD78F4928GF-3BA uPD78F4928GF-3BA









DVD MAIN PCB








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Schematic Diagrams


6-1 S.M.P.S.-1




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Schematic Diagrams


6-2 S.M.P.S.-2




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Schematic Diagrams


6-3 Function-Timer




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Schematic Diagrams


6-4 Volume




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Schematic Diagrams


6-5 Power Drive




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Schematic Diagrams


6-6 Logic




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Schematic Diagrams


6-7 A/V




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Schematic Diagrams


6-8 Hi-Fi




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Schematic Diagrams


6-9 AM/FM Receiver




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Schematic Diagrams


6-10 Input-Output




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Schematic Diagrams


6-11 TM




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Schematic Diagrams


6-12 A2/NICAM




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Schematic Diagrams


6-13 SECAM




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Schematic Diagrams


6-14 OSD/VPS/PDC




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Schematic Diagrams


6-15 DVD Micom




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Schematic Diagrams


6-16 DVD Servo




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Schematic Diagrams


6-17 DVD Audio/Video Interface




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Schematic Diagrams


6-18 Digital Amp




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