Denon AVR-4810CI Service Manual page 58

P
Input
S
YES
Check ± 5VA, +5VD and +9VA.
+5VA : CY152-13,14pin
-5VA : CY152-12pin
+5VD : CX141-1pin
+9VA : CY152-15pin
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
Check input of video driver.
Input Y : IC305-15in
Input Cb : IC305-17pin
Input Cr : IC305-13pin
OK
Check output of video driver.
Output Y : IC305-22pin
Output Cb : IC305-20pin
Output Cr : IC305-24pin
OK
Check input/output of Relay.
Input Y : RL401-7pin
Input Cb : RL401-8pin
Input Cr : RL402-7pin
Output Y : RL401-5pin
Output Cb : RL401-6pin
Output Cr : RL402-5pin
TR401-B : H(5V)
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
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.
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.
Check CX151 soldering, or DIGITAL
NG
UNIT flaw.
NG
Check soldering of IC305.
Check soldering of RL401, R402,
NG
TR401, IC303 and surrounding
parts and CX121 or DIGITAL
UNIT flaw.
Check AMP settings.
NG
IC504-7pin : H(5V)
OK
Check soldering of IC504.
58
AVR-4810CI/AVR-4810
Check IC301, IC303 and CX141
NG
soldering, or DIGITAL UNIT flaw.
Check CX141 soldering, or DIGI-
NG
TAL UNIT flaw.