Denon AVC-4310 - S-Video Input Troubleshooting (Path P); S-Video Input Path P Troubleshooting Steps

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AVR-4310CI/AVR-4310/AVC-4310
※ Unless specified, 8U-210063-1 A.VIDEO UNIT part.
P
Input
S
YES
Check ± 5VA, +5VD and +9VA.
+5VA : CY152-13,14pin
-5VA : CY152-12pin
+5VD : CX141-1pin
+9VA : CY152-15pin
NG
To troubleshooting 1.1 Power not
turn on.
OK
Check input/output of analog SW.
Input Y : IC102-13pin
Input C : IC106-13pin
Output Y : IC102-3pin
Output C : IC106-3pin
NG
Check analog SW settings.
IC102-9,10,11pin : L(0V)
IC102-6pin : L(0V)
IC106-9,10,11pin : L(0V)
IC106-6pin : L(0V)
NG
Check IC301, IC303 and CX141
soldering, or DIGITAL UNIT flaw.
OK
OK
Check soldering of IC102 and IC106.
Check input/output of AMP.
Input Y : IC113-5pin
Input C : IC114-5pin
Output Y : IC113-7pin
Output C : IC114-7pin
NG
Check soldering of IC113, IC114
and surrounding parts.
OK
Check output to 8U-310030 DIGITAL
UNIT.
Output Y : CX111-9pin
Output C : CX111-11pin
NG
Check soldering of CX111.
OK
Check input of video driver.
Input Y : IC305-15in
Input Cb : IC305-17pin
Input Cr : IC305-13pin
NG
Check CX151 soldering, or DIGITAL
UNIT flaw.
OK
Check output of video driver.
Output Y : IC305-22pin
Output Cb : IC305-20pin
Output Cr : IC305-24pin
NG
Check soldering of IC305.
OK
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
NG
Check soldering of IC501 surround-
ing parts and CX141 Or DIGITAL
UNIT flaw.
OK
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
NG
Check AMP settings.
IC504-7pin : H(5V)
NG
Check CX141 soldering, or DIGI-
TAL UNIT flaw.
OK
OK
Check soldering of IC504.
Check cable between main unit and mon-
itor or Check monitor.