Denon AVR-3310CI Service Manual page 38

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COMPONENT
Check 5VA, +5VD and +9VA.
+5VA : CY152-13,14pin
-5VA : CY152-12pin
+5VD : CX141-1pin
+9VA : CY152-15pin
Check input/output of COMPONENT
selector.
Input Y : IC501-48pin
Input Cb : IC501-2pin
Input Cr : IC501-4pin
Output Y : IC501-27pin
Output Cb : IC501-24pin
Output Cr : IC501-21pin
Check input/output of AMP.
Input Y : IC503-1pin
Input Cb : IC503-3pin
Input Cr : IC503-5pin
Output Y : IC503-13pin
Output Cb : IC503-11pin
Output Cr : IC503-9pin
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L 13942296513
Check output to 8U-310039 DIGITAL
UNIT.
Output Y : CX111-7pin
Output Cb : CX111-5pin
Output Cr : CX111-3pin
Check input of video driver
Input Y : IC305-2pin
Input C : IC305-4pin
Check output of video driver.
Output V : IC305-36pin
Check input/output of analog SW.
Input : IC108-14pin
Output : IC108-13pin
Check input/output of AMP.
Input : IC112-5pin
Output : IC112-7pin
www
Check cable between main unit and mon-
itor or Check monitor.
Unless specified, 8U-210081-1 A.VIDEO UNIT part.
.
http://www.xiaoyu163.com
Input
YES
To troubleshooting 1.1 Power not
NG
turn on.
OK
Check IC501 and CX141
NG
soldering, or DIGITAL UNIT flaw.
OK
Check IC503 soldering, or AMP
NG
settings.
Check soldering of IC503 and
OK
surrounding parts.
NG
NG
OK
NG
OK
NG
OK
NG
OK
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AVR-3310CI/AVR-3310/AVR990/AVC-3310
http://www.xiaoyu163.com
8
IC503-7pin : H(5V)
OK
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3 6 7 1 3
Check soldering of CX111.
Check CX151 soldering,
or DIGITAL UNIT flaw.
Check soldering of IC305.
Check analog SW settings.
IC108-10pin : H(+5V)
IC108-9pin : L(0V)
OK
Check soldering of IC108.
Check soldering of IC112.
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.
38
2 9 9 4 2 8
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