Denon AVR-4810CI Service Manual page 54

M
Input
S
YES
Check ± 5VA and +5VD.
+5VA : CY152-13,14pin
-5VA : CY152-12pin
+5VD : CX141-1pin
OK
Check input/output of analog SW.
Input Y : IC103-13pin
Input C : IC107-13pin
Output Y : IC103-3pin
Output C : IC107-3pin
OK
Check input/output of AMP.
Input Y : IC113-3pin
Input C : IC114-3pin
Output Y : IC113-1pin
Output C : IC114-1pin
OK
Check input/output of video driver.
Input Y : IC101-17pin
Input C : IC101-15pin
Output Y : IC101-20pin
Output C : IC101-22pin
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 analog SW settings.
IC103-9,10,11pin : L(0V)
NG
IC103-6pin : L(0V)
IC107-9,10,11pin : L(0V)
IC107-6pin : L(0V)
OK
Check soldering of IC103 and IC107.
Check soldering of IC113, IC114
NG
and surrounding parts.
Check video driver settings.
NG
IC101-16pin : H(+5V)
OK
Check soldering of IC101.
54
AVR-4810CI/AVR-4810
Check IC301, IC303 and CX141
NG
soldering, or DIGITAL UNIT flaw.
Check IC303 and CX141 solder-
NG
ing, or DIGITAL UNIT flaw.