12
TROUBLE SHOOTING GUIDE
C-5. CASSETTE IS NOT INSERTED
Cassette is not inserted
YES
Is ON/OFF 12V supplied
at pin7 of IC503?
NO
Check power module
YES
CAM data are changed
when CST IN?
NO
Check P504
NO
Check DECK
YES
Is +5V applied to pin6
of IC503 when CST IN?
NO
Is control signal output
at pin76 of IC501?
NO
Check IC501
YES
YES
Check pattern and R529
Is 8.2V supplied to pin4
of IC503?
NO
Are control signals output
at pin76 and 78 of IC501?
NO
Check IC503
YES
YES
YES
Are control signals output
at pin2 and 10 of IC503
NO
Check IC503
Check D504, D508 and
D503
YES
Check P503 and L/C
Motor.
All manuals and user guides at all-guides.com
Summary of Contents for DV-S123W Series
Page 33: ...32 PRINTED CIRCUIT BOARD 1 PCB MAIN All manuals and user guides at all guides com...
Page 34: ...33 PRINTED CIRCUIT BOARD 2 PCB POWER SMPS All manuals and user guides at all guides com...
Page 40: ...39 EXPLODING VIEWS PARTS LIST 1 PACKING AS All manuals and user guides at all guides com...
