8
TROUBLESHOOTING GUIDES
Noise appears
although adjusting
tracking.
YES
Adjust tracking.
Noise shakes up
and down on the
screen.
YES
Is CTL pulse applied
to pin of IC601?
YES
NO
NO
Check IC601
NO
Noise appears
although change
cassette tape.
CTL HEAD height is
normal and there is
not dust.
YES
Check CTL input in circuit (R501, R502, R503, C501),
CTL AMP V
REF
(IC601 pin , )
and AMP Vcc (IC601 pin ).
YES
Check and
re-adjust the
Path of Deck.
NO
Adjust the HEAD
height and remove
dust.
F.
Playback picture
is not good.
97
98
91 92
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...
