Denon AVR-4810CI Service Manual page 40

C
Input
COMPONENT
YES
Check ± 5VA, +5VD and +9VA.
+5VA : CY152-13,14pin
-5VA : CY152-12pin
+5VD : CX141-1pin
+9VA : CY152-15pin
OK
Check input/output of COMPONENT
selector.
Input Y : IC501-48pin
Input Cb : IC501-2pin
Input Cr : IC501-4pin
Output Y : IC501-34pin
Output Cb : IC501-32pin
Output Cr : IC501-30pin
OK
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
OK
Check output to 8U-310030 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
OK
Check output of video driver.
Output V : IC305-36pin
OK
Check input/output of analog SW.
Input : IC108-14pin
Output : IC108-13pin
OK
Check input/output of AMP.
Input : IC112-5pin
Output : IC112-7pin
OK
Check cable between main unit and mon-
itor or Check monitor.
※ Unless specified, 8U-210063-1 A.VIDEO UNIT part.
To troubleshooting 1.1 Power not
NG
turn on.
Check IC501 and CX141
NG
soldering, or DIGITAL UNIT flaw.
Check IC503 soldering, or AMP
NG
settings.
IC503-7pin : H(5V)
OK
Check soldering of IC503 and
surrounding parts.
NG
Check soldering of CX111.
Check CX151 soldering,
NG
or DIGITAL UNIT flaw.
NG
Check soldering of IC305.
Check analog SW settings.
NG
IC108-10pin : H(+5V)
IC108-9pin : L(0V)
OK
Check soldering of IC108.
NG
Check soldering of IC112.
40
AVR-4810CI/AVR-4810
Check IC301 and CX141 solder-
NG
ing, or DIGITAL UNIT flaw.