Denon AVR-3808CI Service Manual page 33
Av surround receiver
av surround amplifier
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Also See for AVR-3808CI:
- Service manual (216 pages) ,
- Owner's manual (108 pages) ,
- Control protocol (44 pages)
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Q Q
3 7 6 3 1 5 1 5 0
Q
Input
COMPONENT
Check
5VA, +5VD and +9VA.
+5VA : CW082-3,4pin
To troubleshooting 1.1 Power not turn
NG
-5VA : CW082-1,2pin
on.
+5VD : CW132-1pin
+9VA : CW082-8pin
OK
Check input/output of COMPONENT selector.
Input Y : IC601-48pin
Input Cb : IC601-2pin
Check IC601 and CW092
NG
Input Cr : IC601-4pin
soldering, or DIGITAL UNIT flaw.
Output Y : IC601-27pin
Output Cb : IC601-24pin
Output Cr : IC601-21pin
OK
Check input/output of AMP.
Input Y : IC602-1pin
Input Cb : IC602-3pin
NG
Input Cr : IC602-5pin
Output Y : IC602-13pin
Output Cb : IC602-11pin
Output Cr : IC602-9pin
Check soldering of IC602 and
OK
surrounding parts.
Check output to1U-3799 DIGITAL UNIT.
Output Y : CW112-5pin
NG
Output Cb : CW112-3pin
T E
L
1 3 9 4 2 2 9 6 5 1 3
Output Cr : CW112-1pin
OK
1U-3800-2 VIDEO CONNECT UNIT
Check input of video driver.
NG
Input Y : IC703-10in
Check CX093 soldering, or DIGITAL
Input Cb : IC703-14pin
UNIT flaw.
Input Cr : IC703-16pin
OK
Check output of video driver.
Output Y : IC703-23pin
NG
Output Cb : IC703-21pin
Output Cr : IC703-18pin
OK
Check input/output of COMPONENT selector.
Input Y : IC601-6pin
Input Cb : IC601-8pin
Check IC601 and CW092 soldering,
NG
Input Cr : IC601-10pin
or DIGITAL UNIT flaw.
Output Y : IC601-34pin
Output Cb : IC601-32pin
Output Cr : IC601-30pin
OK
Check input/output of AMP.
Input Y : IC603-1pin
Input Cb : IC603-3pin
NG
Input Cr : IC603-5pin
Output Y : IC603-13pin
Output Cb : IC603-11pin
Output Cr : IC603-9pin
w w w
OK
Check of cable between main unit and
.
monitor or Check monitor.
Unless specified, 1U-3800-1 A.VIDEO UNIT part.
Check AMP settings.
Check IC508 and CW132 soldering, or
NG
IC602-7pin : H(5V)
DIGITAL UNIT flaw.
OK
Check soldering of CW112.
1U-3800-2 VIDEO CONNECT UNIT
Check soldering of IC703.
Check AMP settings.
Check IC508 and CW132 soldering, or
NG
IC603-7pin : H(5V)
DIGITAL UNIT flaw.
OK
Check soldering of IC603.
x
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y
i
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8
OK
OK
OK
Q
Q
3
7
6
3
OK
OK
OK
OK
u 1 6 3
OK
.
33
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9
2
4
9
8
NG
NG
NG
OK
NG
1
5
1
5
0
8
9
2
4
NG
NG
NG
NG
m
OK
c o
AVR-3808CI / AVR-3808 / AVC-3808
2
9
9
NG
9
8
2
9
9
NG
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