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SA-NC9GC / SA-NC9GS / SA-NC9GCS / SA-NC9GN
Problems
2) When switching the video output
mode from 480P to 720P/1080i, TV
display becomes blank.
3) Colour problem. TV screen is
white/Blue/Purple
4) HDMI got no audio outut.
Checking Points
1) Supply for Up-Con (IC3901).
- Pin 9 & 124
2) GND for Up-Con.
- Pin 7 & 125
3) Check for capacitor short to GND.
1) Check digital video data line from LSI
(IC8001) to Up-Converter (IC3901), VOUT0-
VOUT7.
1) Audio data lines.
2) Check setting of the set in Setup Menu HDMI
Audio output is turned ON
LB3902
C3902, C3928 & C3925
RX3707, RX3708
R8402 & RX8402
* Check for solder short and/or component
missing/damaged as well as signal condition
128
Checking Components
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