20
TROUBLESHOOTING GUIDES
E.
Is the signal supplied to pin ,
of IC251 and pin of IC301?
Is the Base of Q205 5V?
NO
NO
Check IC601
Is there output at pin
of IC301?
Does T201 oscillate?
NO
Check IC301
Is the voltage above 5.8V
at pin of T201?
Is the Emitter of
Q205 5V?
YES
NO
Check power circuit
NO
YES
Check A/C HEAD and connector
pin , , of PJ201
Check INPUT JACK
NO
Check power circuit
YES
YES
YES
Check Q202
Collect: 5.8V
Base: 0.7~3.0V
YES
NO
Check Q202
YES
Check T201
No linear sound in the playback
mode after linear recording. Check the
following procedure in RECORD mode.
2
7
52
76
61
3
4
8
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 ...