Denon AVR-4810CI Service Manual page 65

U
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 : IC102-13pin
Input C : IC106-13pin
Output Y : IC102-3pin
Output C : IC106-3pin
OK
Check input/output of AMP.
Input Y : IC113-5pin
Input C : IC114-5pin
Output Y : IC113-7pin
Output C : IC114-7pin
OK
Check output to 8U-310030 DIGITAL
UNIT.
Output Y : CX111-9pin
Output C : CX111-11pin
OK
To troubleshooting 3.HDMI/DVI.
Unless specified, 8U-210063-1 A.VIDEO UNIT part.
To troubleshooting 1.1 Power not
NG
turn on.
Check analog SW settings.
IC102-9,10,11pin : L(0V)
NG
IC102-6pin : L(0V)
IC106-9,10,11pin : L(0V)
IC106-6pin : L(0V)
OK
Check soldering of IC102 and IC106.
Check soldering of IC113, IC114
NG
and surrounding parts.
NG
Check soldering of CX111.
65
AVR-4810CI/AVR-4810
Check IC301, IC303 and CX141
NG
soldering, or DIGITAL UNIT flaw.