Denon AVR-2308CI Service Manual page 30

Q Q
3 7 6 3 1 5 1 5 0
O
Input
COMPONENT
1U-3853-1 A.VIDEO UNIT
To troubleshooting 1.1 Power not turn
Check 5VA. NG
on.
+5VA : CX077-3,4pin
-5VA : CX077-5pin
OK
Check input/output of COMPONENT
selector.
Input Y : IC501-48pin
Input Cb : IC501-2pin Check IC501,CX112 and CX155
NG
Input Cr : IC501-4pin soldering, or DIGITAL UNIT flaw.
Output Y : IC501-27pin
Output Cb : IC501-24pin
Output Cr : IC501-21pin
OK
Check input/output of AMP.
Input Y : IC504-1pin
Input Cb : IC504-3pin
NG
Input Cr : IC504-5pin
Output Y : IC504-13pin
Output Cb : IC504-11pin
Output Cr : IC504-9pin
Check soldering of IC504 and sur-
OK
rounding parts.
T E
L 1 3 9 4 2 2 9 6 5 1 3
Check cable between main unit and
monitor or Check monitor.
Unless specified, 1U-3853-1 A.VIDEO UNIT part.
w w w
.
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Check AMP settings. Check CX155 soldering, or DIGITAL
NG
IC504-7pin : H(5V) UNIT flaw.
OK
x a o u 1 6 3
y
i
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8 9
OK
OK
OK
Q Q
3 7 6 3 1 5 1
c o
.
30
AVR-2308CI / AVR-888 / AVR-2308 / AVC-2308
2 4 9 8 2
NG
NG
NG NG
OK
5 0 8 9 2 4 9 8 2
m
9 9
9 9