15
Is the ENVE level of
C919 more than 120mVp-p?
Is A.SW PULSE input into
pin
J
of IC901?
Is 5V and clock data applied
to pin
4
,
5
of IC901?
Is signal input into pin
S
,
k
of IC901
Check pin
=
of IC601
Check IC601
Is there output at
s
,
K
of IC901?
Is there output at
pin
“
,
‘
of IC901
Check PHONE jack
Change IC901.
NO
YES
YES
YES
YES
NO
NO
NO
No Hi-Fi Sound
in playback mode
Check the ICH01
of PRE-AMP circuit
Check CK13, CM13
NO
NO
YES
Summary of Contents for DV-K11WZ-PB/A
Page 30: ...27 6 CIRCUIT DIAGRAM CONNECTION DIAGRAM...
Page 31: ...28 POWER CIRCUIT DIAGRAM...
Page 32: ...29 SERVO SYSCON CIRCUIT DIAGRAM...
Page 33: ...30 VIDEO HEAD AMP CIRCUIT DIAGRAM...
Page 34: ...31 AUDIO CIRCUIT DIAGRAM...
Page 35: ...32 HI FI AUDIO CIRCUIT DIAGRAM...
Page 36: ...33 KARAOKE CIRCUIT DIAGRAM...
Page 37: ...34 LOGIC SW CIRCUIT DIAGRAM...
