Sharp LC-52D82U Service Manual page 50

LC-46D82U/LC-52D82U
Is there the COMPOSITE video signal input at pins (M4, N4) of IC3301 (VPC)?
Is there the LVDS signal output at the LVDS 1st channel and 2nd channel of IC3301?
TA2_P/M(AJ30/AK30), TB2_P/M(AJ29/AK29), TC2_P/M(AJ28/AK28), TD2_P/M(AJ26/AK26), TE2_P/M(AJ25/
AK25), TCLK2_P/M(AJ27/AK27), TA1_P/M(AB29/AB30), TB1_P/M(AC29/AC30), TC1_P/M(AD29/AD30),
TD1_P/M(AF29/AF30), TE1_P/M(AG29/AG30), TCLK1__P/M(AE29/AE30),
Check the panel module.
YES
YES
4 – 2
Check the line
between SC1101
and IC3301 (Q2201
NO
thru Q2203,
Q2205, Q2207.
Q2209, etc.).
Check IC3301 and
its peripheral con-
trol circuits
NO
(IC3501, IC3502,
IC8101, etc.).