Sharp Aquos LC-45GD1E, Service Manual

Page: 57 / 281

57
TU-45GD1E
LC-45GD1E
No picture (4)
Set-up Confirmation : 1)
Are the input terminal in the backside of
A
VC-System and "INPUT
SOURCE" of the remote controller set up correctly?
•••
See the Operation Manual and set up "INPUT
SOURCE" correctly
.
2) Is "Audio Only" in MENU-Option set "Of
f"?
•••
Set it "On".
Is the VIDEO signal output to DISPLA
Y
-
OUTPUT1 (SC3103)? No video output to the Display
.
<On input of the external source> Is the connection of the System cable (WHITE) normal?
Display Side : Is the VIDEO signal input to the DVI-Connector to DISPLA
Y
OUTPUT1 (SC5302) ?
See the term of "No picture" in Display- T
roubleshooting.
YES YES
NO NO
YES YES
Confirm IC3300/IC802 on and before the circuit of IC3201. And see "No picture (1)/(2)" in T
roubleshooting.
In the
TMDS-TX PWB: Is the VIDEO signal
coming to the L
V
-Connector (SC2801)?
NO
YES YES
In the
TMDS-TX PWB : Check
IC2802/IC3103 and peripheral circuits. Check IC3201 and peripheral circuits.
In the MAIN PWB : Is the VIDEO signal input to IC3201 (L
VDS_TX)?
(DISPLA
Y
SIDE)
(A
VC SIDE)
TROUBLE SHOOTING TABLE
(Continued)