Denon AVR-3310CI Service Manual page 55

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Check 5VA, +5VD and +9VA.
+5VA : CY152-13,14pin
-5VA : CY152-12pin
+5VD : CX141-1pin
+9VA : CY152-15pin
Check input/output of analog SW.
Input Y : IC109-13pin
Output C : 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 : IC305-15in
Input Cb : IC305-17pin
Input Cr : IC305-13pin
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Check output of video driver.
Output Y : IC305-22pin
Output Cb : IC305-20pin
Output Cr : IC305-24pin
Check input/output of COMPONENT
selector.
Input Y : IC501-6pin
Input Cb : IC501-8pin
Input Cr : IC501-10pin
Output Y : IC501-34pin
Output Cb : IC501-32pin
Output Cr : IC501-30pin
Check input/output of AMP.
Input Y : IC504-1pin
Input Cb : IC504-3pin
Input Cr : IC504-5pin
Output Y : IC504-13pin
Output Cb : IC504-11pin
Output Cr : IC504-9pin
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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
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
NG
OK
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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)
IC109-6pin : 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 soldering of IC501 surround-
ing parts and CX141, or DIGITAL
UNIT flaw.
Check AMP settings.
IC504-7pin : H(5V)
OK
Check soldering of IC504.
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.
55
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 CX141 soldering, or DIGI-
NG
TAL UNIT flaw.
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9 9
2 8 9 9