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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)
OK
PCB HDMI
Check input of Video Decoder signal.
Input V : C504
Input Y : C510
Input C : C505
OK
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)
OK
CVBS/S output
Check output of output Video AMP.
Output V : IC2016-24pin
Output Y : IC2016-20pin
Output C : IC2016-22pin
OK
Check cable between main unit
and monitor or Check monitor.
※ Unless specified, PCB VIDEO part.
Check Power Supply Voltages.
OSD3.3V : TP602-2pin
I/P_3.3V : FB851
DDR_1.8V : CC805 (L802 side)
1.0V_DV : CC809 (L801 side)
NG
V : CY141-8pin : H (+3.3V)
Y : CY141-9pin : H (+3.3V)
Check connection and
contact of the FFC cable.
Check output of after Video Encoder.
Output Y : TR954 (Emitter side)
NG
Output C : TR955 (Emitter side)
Output Y : TR951 (Emitter side)
Output Cb : TR952 (Emitter side)
Output Cr : TR953 (Emitter side)
Check connection and contact of the
FFC cable, and check soldering of
Video filter AMP (IC2024)
and surrounding parts.
Check soldering of output selector
NG
and surrounding circuitry.
Output selector : IC2014,IC2015
Check soldering of selector
and surrounding circuitry.
Output selector : IC2023
AVR-2310CI/2310/890, AVC-2310
PCB HDMI
Check signal DET.
OK
PCB HDMI
OK
26
To troubleshooting
NG
1.1 Power not turn on.
Check input selector and Video AMP,
surrounding circuitry soldering.
NG
Input selector:IC2002,IC2003,IC2004
Video AMP :C2005,IC2006
or μCOM UNIT flaw.
NG
Flaw of PCB HDMI.
COMPONENT output
Check output of output Video AMP.
Output Y : IC2022-13pin
NG
Output Cb : IC2022-11pin
Output Cr : IC2022-9pin
OK
Check cable between main unit
and monitor or Check monitor.
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