Sharp LC-37D90U

LC-37D90U
6 – 4
YES
[COMPOSITE signal input] Is there the COMPOSITE video signal input at pins (M4, N4) of IC3301 (VPC)? Check the line
between SC1101
and IC3301 (Q2201
thru Q2203,
Q2205, Q2207.
Q2209, etc.).
NO
[S-VIDEO signal input] Is there the video signal input at pins (M4, N4)(Y) and (T1)(C) of IC3301 (VPC)?
YES
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), TF2_P/M(AJ24/AK24), 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), TF1_P/M(AH29/AH30), TF1_P/
M(AH29/AH30), TCLK1_P/M(AE29/AE30)
Check IC3301 and
its peripheral con-
trol circuits
(IC5301, IC5302,
IC8101, etc.).
NO
YES
Check the panel module.