Denon AVR-3310CI Service Manual page 47

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Check
+5VA : CY152-13,14pin
-5VA : CY152-12pin
+5VD : CX141-1pin
Check input/output of analog SW.
Input : IC109-13pin
Output : IC109-3pin
Check input/output of AMP.
Input : IC115-5pin
Output : IC115-7pin
Check output to 8U-310039 DIGITAL
UNIT.
Output V : CX111-1pin
Check input of video driver.
Input Y : IC305-2pin
Input C : IC305-4pin
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L 13942296513
Check output of video driver.
Output Y : IC305-34pin
Output C : IC305-32pin
Check input/output of analog SW.
Input Y : IC104-5pin
Input C : IC104-14pin
Output Y : IC104-3pin
Output C : IC104-13pin
Check input/output of AMP.
Input Y: IC111-3pin
Input C: IC111-5pin
Output Y : IC111-1pin
Output C : IC111-7pin
Check cable between main unit and mon-
itor or Check monitor.
Unless specified, 8U-210081-1 A.VIDEO UNIT part.
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Input
CVBS
YES
5VA and +5VD.
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
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y
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AVR-3310CI/AVR-3310/AVR990/AVC-3310
http://www.xiaoyu163.com
8
To troubleshooting 1.1 Power not
turn on.
Check analog SW settings.
IC109-9,10,11pin : L(0V)
IC109-6pi : L(0V)
OK
Check soldering of IC109.
Check soldering of IC115 and
surrounding parts.
Check soldering of CX111.
Check CX151 soldering, or DIGITAL
UNIT flaw.
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3 6 7 1 3
Check soldering of IC305.
Check analog SW settings.
IC104-10pin : H(+5V)
IC104-9pin : L(0V)
OK
Check soldering of IC104.
Check soldering of IC111.
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47
2 9 9 4 2 8
Check IC301, IC303 and CX141
NG
soldering, or DIGITAL UNIT flaw.
1 5 0 5 8 2 9 9 4
Check IC301 and CX141 solder-
NG
ing, or DIGITAL UNIT flaw.
m
co
9 9
2 8 9 9