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CHAPTER 6.
LC32D47U
TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE
COMPOSITE: No external input video [INPUT-3]
Is INPUT-3 selected on the input select menu screen?
Select INPUT-3 on the input select menu screen for
the right input signal.
Does the INPUT-3 V3_PLUG detection function?
Check the line between pin (7) of input terminal (J501)
and pin (M1) of IC8001 (CPU).
YES
Is there the COMPOSITE signal input at pin (A11) of IC8001
(CPU)?
Check the line between pin (6) of J501 and pin (A11)
of IC8001.
YES
Are the LVDS signal outputs at the LVDS 1st channel and 2nd
channel of IC8001?
LV0OUT0P/M (N19/N20), LV0OUT1P/M (N21/N22),
LV0OUT2P/M (P19/P20), LV0OUT3P/M (R19/R20),
LV0CK0P/M (P21/P22)
YES
Check the panel module.
No video (1)
NO
NO
NO
LC-32D47U/LC-32SB27U/LC-C3237U
Service Manual
NO
Check IC8001 and its peripheral circuits. (IC8251, etc.)
6 – 1
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