Denon AVR-3808CI Service Manual page 45

V
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
Check IC601 and CW092
Input Cb : IC601-2pin
NG
soldering, or DIGITAL UNIT flaw.
Input Cr : IC601-4pin
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
Output Cr : CW112-1pin
OK
To troubleshooting 3.HDMI/DVI.
Unless specified, 1U-3800-1 A.VIDEO UNIT part.
Check IC508 and CW132
Check AMP settings. NG
soldering, or DIGITAL UNIT flaw.
IC602-7pin : H(5V)
OK
Check soldering of CW112.
OK
OK
OK
OK
45
AVR-3808CI / AVR-3808 / AVC-3808
NG
NG
NG NG
OK
NG