Sharp LC-40LE280X User Manual

LC-32LE280X/LC-40LE280X
4 – 2
With [RF] signal input Novideo onscreen (1)
No video in the UHF/VHF reception
Is there IF output from the tuner pin( 6,7 ) of TU1102 as
specified ?
NO Check TU1102 and its peripheral circuits.
YES
.1033CI&2011UTneewtebtiucricehtkcehCON
YES
NO
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
With <Video> signal input Novideo onscreen(2)
Is INPUT elected on the input select menu screen? NO
YES
Is there the video signal input at pin (6) of IC3301? NO Check the line between pin (2) of J502 and pin (6) of IC3301.
YES
NO Check IC3301 and its peripheral circuits to SC3802 (32”) /
SC3801(40”)
YES
Check LVDS cable, LCD controller (incl. panel) and their periph-
eral circuits.
Are there the signal outputs pin ( 137-146 ),Pin(149-154),
Pin(78-95)of IC3301 to SC3801(32”)/SC3802(40”)
CheckIC3301anditsperipheralcircuittoSC3802
(32”)/SC3801(40”)
Noexternalinputvideoonscreen<INPUT3>
3s
SelectINPUT3ontheinputselectmenuscreentopick
uptherightinputsignal.
Is there IF input at pin 16 & 17 of IC3301 ?
Aretherethesignaloutputspin(78-95)ofIC3301toSC3802
(32”)/SC3801(40”)?

Sharp LC-40LE280X Specifications

General

Brand	Sharp
Model	LC-40LE280X
Category	LED TV
Language	English