Denon AVR-3808CI Service Manual page 44

U
Input
S
Check 5VA and +5VD.
+5VA : CW082-3,4pin NG To troubleshooting 1.1 Power not turn
-5VA : CW082-1,2pin on.
+5VD : CW132-1pin
OK
Check input/output of analog SW.
Input Y : IC411-13pin
NG
Input C : IC417-13pin
Output Y : IC411-3pin
Output C : IC417-3pin
OK Check soldering of IC411 and IC417.
Check input/output of AMP.
Input Y : IC407-5pin
NG Check soldering of IC407,IC408 and
Input C : IC408-5pin
surrounding parts.
Output Y : IC407-7pin
Output C : IC408-7pin
OK
Check output to 1U-3799 DIGITAL UNIT.
NG
Output Y : CW113-3pin
Output C : CW113-1pin
OK
To troubleshooting 3.HDMI/DVI.
Unless specified, 1U-3800-1 A.VIDEO UNIT part.
Check analog SW settings.
IC411-9,10,11pin : L(0V)
NG Check IC505, IC508 and CW132
IC411-6pin : L(0V)
soldering, or DIGITAL UNIT flaw.
IC417-9,10,11pin : L(0V)
IC417-6pin : L(0V)
OK
Check soldering of ICW113.
OK
OK
OK
OK
44
AVR-3808CI / AVR-3808 / AVC-3808
NG
NG NG
OK
NG
NG