26
AVR-2310CI/2310/890, AVC-2310
※ Unless specified, PCB VIDEO part.
A
Input
CVBS/S
V+5 : CN2005-8pin
V-5 : CN2005-7pin
SCPU+5V : CY141-1pin
CEC3.3V : C420 (IC402 side)
CEC1.8V : C428 (IC403 side)
OSD3.3V : TP602-2pin
I/P_3.3V : FB851
DDR_1.8V : CC805 (L802 side)
1.0V_DV : CC809 (L801 side)
NG
To troubleshooting
1.1 Power not turn on.
OK
PCB HDMI
Check input of Video Decoder signal.
Input V : C504
Input Y : C510
Input C : C505
NG
PCB HDMI
Check signal DET.
V : CY141-8pin : H (+3.3V)
Y : CY141-9pin : H (+3.3V)
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 connection and
contact of the FFC cable.
Check output of
Video filter AMP (IC2024).
Output V : C2167 (+ side)
Output Y : C2166 (+ side)
Output C : C2170
Output Y : C2161 (+ side)
Output Cb : C2155 (+ side)
Output Cr : C2163 (+ side)
NG
PCB HDMI
Check output of after Video Encoder.
Output Y : TR954 (Emitter side)
Output C : TR955 (Emitter side)
Output Y : TR951 (Emitter side)
Output Cb : TR952 (Emitter side)
Output Cr : TR953 (Emitter side)
NG
Flaw of PCB HDMI.
OK
OK
Check connection and contact of the
FFC cable, and check soldering of
Video filter AMP (IC2024)
and surrounding parts.
CVBS/S output
COMPONENT output
Check output of output Video AMP.
Output V : IC2016-24pin
Output Y : IC2016-20pin
Output C : IC2016-22pin
NG
Check soldering of output selector
and surrounding circuitry.
Output selector : IC2014,IC2015
OK
Check cable between main unit
and monitor or Check monitor.
Check soldering of selector
and surrounding circuitry.
Output selector : IC2023
NG
Check output of output Video AMP.
Output Y : IC2022-13pin
Output Cb : IC2022-11pin
Output Cr : IC2022-9pin
OK
Check cable between main unit
and monitor or Check monitor.
Check Power Supply Voltages.
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General
Weight and Dimensions
