Denon AVR-3310CI Service Manual page 47

I
Input
CVBS
YES
Check ± 5VA and +5VD.
+5VA : CY152-13,14pin
-5VA : CY152-12pin
+5VD : CX141-1pin
OK
Check input/output of analog SW.
Input : IC109-13pin
Output : IC109-3pin
OK
Check input/output of AMP.
Input : IC115-5pin
Output : IC115-7pin
OK
Check output to 8U-310039 DIGITAL
UNIT.
Output V : CX111-1pin
OK
Check input of video driver.
Input Y : IC305-2pin
Input C : IC305-4pin
OK
Check output of video driver.
Output Y : IC305-34pin
Output C : IC305-32pin
OK
Check input/output of analog SW.
Input Y : IC104-5pin
Input C : IC104-14pin
Output Y : IC104-3pin
Output C : IC104-13pin
OK
Check input/output of AMP.
Input Y: IC111-3pin
Input C: IC111-5pin
Output Y : IC111-1pin
Output C : IC111-7pin
OK
Check cable between main unit and mon-
itor or Check monitor.
※ Unless specified, 8U-210081-1 A.VIDEO UNIT part.
To troubleshooting 1.1 Power not
NG
turn on.
Check analog SW settings.
NG
IC109-9,10,11pin : L(0V)
IC109-6pi : L(0V)
Check soldering of IC109.
Check soldering of IC115 and
NG
surrounding parts.
NG
Check soldering of CX111.
Check CX151 soldering, or DIGITAL
NG
UNIT flaw.
NG
Check soldering of IC305.
Check analog SW settings.
NG
IC104-10pin : H(+5V)
IC104-9pin : L(0V)
Check soldering of IC104.
NG
Check soldering of IC111.
47
AVR-3310CI/AVR-3310/AVR990/AVC-3310
Check IC301, IC303 and CX141
NG
soldering, or DIGITAL UNIT flaw.
OK
Check IC301 and CX141 solder-
NG
ing, or DIGITAL UNIT flaw.
OK