18
TROUBLESHOOTING GUIDES
C.
Is the signal supplied to pin , of IC251?
Is the Base of Q205 5V?
NO
NO
Check IC601
Is there output at pin of IC251?
Clean HEAD
Is there FM osc wave at pin of P401?
NO
Check IC251
NO
Change Drum
YES
YES
YES
YES
No Hi-Fi sound in the playback
mode after Hi-Fi recording. Check the
following procedure in RECORD mode.
Check IC101
6
44
26
2
Summary of Contents for DV-K892NZ-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...
