LC-60LE630U/U(A),6300U/U(A)/U(B),LC-70LE735U
5 – 1
LC60LE630U
Service Manual
CHAPTER 5.
TROUBLESHOOTING TABLE
[1] TROUBLESHOOTING TABLE (LC-60LE630U/U(A),6300U/U(A)/U(B))
No video (1)
COMPOSITE: No external input video [VIDEO]
Is VIDEO selected on the input select menu screen?
YES
NO
Select VIDEO on the input select menu screen for
the right input signal.
Does the VIDEO V1_PLUG detection function?
Check the line between pin (7) of input terminal (J508)
and terminal on IC3301 side of R530.
Is there the COMPOSITE signal input at terminal on IC3301 side of
C3312?
YES
NO
Check the line between pin (6) of J508 and terminal on
IC3301 side of C3312.
Are the LVDS signal outputs at the LVDS of SC2601?
LVDS_O_D0P/N (25/26pin), LVDS_O_D1P/N (23/24pin),
LVDS_O_D2P/N (21/22pin), LVDS_O_CLKP/N (18/19pin),
LVDS_O_D3P/N (16/17pin), LVDS_E_D0P/N (39/40pin),
LVDS_E_D1P/N (37/38pin), LVDS_E_D2P/N (35/ 36pin),
LVDS_E_CLKP/N (32/33pin), LVDS_E_D3P/N (30/31pin)
NO
Check IC3301 and its peripheral circuits.
YES
Check the panel module.
