5
TROUBLESHOOTING GUIDES
2. SERVO / SYSCON / LOGIC CIRCUIT
Is 5V supplied to
pin of IC601?
Is 5V applied to
Check X601.
pin of IC601?
Is 5V applied to pin
of IC601 ?
Is 4V applied to collector
of Q711, Q712, Q713,
and Q714?
Check IC602.
Check D813.
Check IC601.
Check R636, C616.
Check Q711, Q712,
Q713 and Q714.
YES
YES
YES
YES
NO
NO
NO
A.
NO
NO
LED ARRAY does
not operate.
Check the pulse signal
of pin ~ of IC601
and LD701.
YES
37
34
4
20
33
Summary of Contents for DV-K592NZ-QB/M
Page 29: ...28 CIRCUIT DIAGRAM 1 INTERCONNECT WIRING DIAGRAM ...
Page 30: ...29 CIRCUIT DIAGRAM 2 POWER SUPPLY SCHEMATIC DIAGRAM ...
Page 31: ...30 CIRCUIT DIAGRAM 3 SYSCON CIRCUIT DIAGRAM ...
Page 32: ...31 CIRCUIT DIAGRAM 4 VIDEO AUDIO SCHEMATIC DIAGRAM 4 HEAD ...
Page 33: ...32 CIRCUIT DIAGRAM 5 VIDEO AUDIO SCHEMATIC DIAGRAM HI FI ...
Page 34: ...33 CIRCUIT DIAGRAM 6 PIF SCHEMATIC DIAGRAM 4 HEAD 68 16 4 ...
Page 35: ...34 CIRCUIT DIAGRAM 7 HI FI SCHEMATIC DIAGRAM ...
Page 36: ...35 CIRCUIT DIAGRAM 8 PIF MPX SCHEMATIC DIAGRAM HI FI 68 16 ...
Page 37: ...36 PCB CIRCUIT BOARD MAIN PCB ...
