Denon AVR-3808CI Service Manual page 36

Q Q
3 7 6 3 1 5 1 5 0
T
Input
CVBS
Check 5VA and +5VD.
To troubleshooting 1.1 Power not turn
+5VA : CW082-3,4pin NG
on.
-5VA : CW082-1,2pin
+5VD : CW132-1pin
OK
Check input/output of analog SW.
NG
Input : IC420-13pin
Output : IC420-3pin
OK
Check input/output of AMP.
NG Check soldering of IC409 and
Input : IC409-5pin
surrounding parts.
Output : IC409-7pin
OK
Check output to 1U-3799 DIGITAL UNIT. NG
Output V : CW113-5pin
OK
To troubleshooting 3.HDMI/DVI.
Unless specified, 1U-3800-1 A.VIDEO UNIT part.
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
.
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Check analog SW settings.
Check IC505, IC508 and CW132
NG
IC420-9,10,11pin : L(0V)
soldering, or DIGITAL UNIT flaw.
IC420-6pin : L(0V)
OK
Check soldering of IC420.
Check soldering of CW113.
x a o u 1 6 3
y
i
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8 9
OK
OK
OK
OK
Q Q
3 7 6 3 1 5 1
c o
.
36
AVR-3808CI / AVR-3808 / AVC-3808
2 4 9 8 2
NG
NG NG
OK
NG
NG
5 0 8 9 2 4 9 8 2
m
9 9
9 9