Denon AVC-4310 - CVBS Input Troubleshooting (Path H); CVBS Input Path H Troubleshooting Steps

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AVR-4310CI/AVR-4310/AVC-4310
※ Unless specified, 8U-210063-1 A.VIDEO UNIT part.
H
Input
CVBS
YES
Check ± 5VA +and 5VD.
+5VA : CY152-13,14pin
-5VA : CY152-12pin
+5VD : CX141-1pin
NG
To troubleshooting 1.1 Power not
turn on.
OK
Check input/output of analog SW.
Input : IC110-13pin
Output : IC110-3pin
NG
Check analog SW settings.
IC110-9,10,11pin : L(0V)
IC110-6pin : L(0V)
NG
Check IC301, IC303 and CX141
soldering, or DIGITAL UNIT flaw.
OK
OK
Check soldering of IC110.
Check input/output of AMP.
Input : IC115-3pin
Output : IC115-1pin
NG
Check soldering of IC115.
OK
Check input/output of video driver.
Input : IC101-3pin
Output :IC101-33pin
NG
Check video driver settings.
IC101-7pin : H(5V)
NG
Check IC303 and CX141 solder-
ing, or DIGITAL UNIT flaw.
OK
OK
Check soldering of IC101.
Check cable between main unit and mon-
itor or Check monitor.