Denon AVR-890 Service Manual

30
AVR-2310CI/2310/890, AVC-2310
2.3. VCR/DVR MONITOR OUT
VCR/DVR MONITOR OUT(CVBS/S) output NG
※ When checking operation, select
SAT/CBL for the function.
Input
CVBS
Input
S
I n p u t
COMPONENT
F No output
F
Input
CVBS/S
Check signal V ± 5, SCPU+5V.
V+5 : CN2005-8pin
V-5 : CN2005-7pin
SCPU+5V : CY141-1pin
NG
To troubleshooting
1.1 Power not turn on.
OK
Check output of output Video AMP.
DVR Output V : IC2016-33pin
VCR Output Y : IC2016-29pin
VCR Output C : IC2016-31pin
NG
Check input of output Video AMP.
Output V : Q2015 (Collector side)
Output Y : Q2013 (Collector side)
Output C : Q2014 (Collector side)
NG
Check input selector and Video AMP,
surrounding circuitry soldering.
Input selector:IC2002,IC2003,IC2004
Video AMP :C2005,IC2006
or μCOM UNIT flaw.
OK
OK
Check soldering of output Video AMP
and surrounding circuitry.
Check cable between main unit
and monitor or Check monitor.

Denon AVR-890 Specifications

General

Brand	Denon
Model	AVR-890
Category	Stereo Receiver
Language	English