7-15
CD/VCD/DVD L/R output error
(Mixed Audio output)
Normal
ADOUT
is
input in AIC2-2?
CHECK
AIC2-7, 8pin output is
normal?
Check PCB peripheral
Pattern shot.
Check DIC1-176 output.
Check DIC1-163
(CD/VCD ; 16.9344MHz,
DVD ; 18.432MHz)
Yes
Yes
No
No
AIC4-1, 7 output
is normal?
Check AIC4 peripheral circuit.
Yes
No
Base terminal level
of AQ3, AQ6
are "L"?
Check VCR-MICOM mute
Yes
No
(ADOUT Waveform)
(Vout Waveform)
(DVD Section)
No Tray open/close
DIC1-55 is Open ; "L" ?
Close ; "H" ? DIC1-58 is Open : "H"?
Close : "L"?
Check DRIC1-17, 18
output at
OPEN
/CLOSE
Check DIC1 perpheral circuit.
Check DRIC1 perpheral circuit
and DCON1 connector.
Yes
Yes
No
No
(OPEN Waveform)
(DVD Section)
www . x ia o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L 1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
