Sharp 4T-C70AH1X - Page 28

With<Component>signalinput Novideo onscreen(3)
Noexternal input videoonscreen<INPUT
NO
YES
Are theretheY,CBandCRsignalinputsatpins(29),(28)and
(31
)ofIC 3301respectively?
NO Checkthelinebetweenpins(8)/(10)/(13)of J502andpins(28/
(29) /(31) ofIC3301.
YES
NO CheckIC3301anditsperipheralcircuits.
YES
CheckLVDScable,LCDcontroller(incl.panel)andtheirperiph-
eralcircuits.
Novideo onscreen(4)
NO
YES
Are theresignaloutputsfromSC1501/SC1502to
YES
.stiucriclarehpirepstidna1033CIkcehCONsPins(137-146),Pins(149-154),tuptuolangisehterehterA
YES
CheckLVDScable,LCDcontroller(incl.panel)andtheirperiph-
eralcircuits.
Aretherethesignaloutputs
Pins(137-146),Pins(149-154),Pins(156,157)
IC3301?
3>
IsINPUT3selectedontheinputselect
menuscreen?
SelectINPUT3ontheinputselectmenuscreentopick
uptherightinputsignal.
With<HDMI1/HDMI2>signalinput
NoexternalinputvideoonscreenHDMI1/HDMI2
Is<HDMI1/HDMI2)
selectedonthemenuscreen?
Select<HDMI1/HDMI2>
selectmenuscreentopickuptherightsignal
input
Select<HDMI1/HDMI2>
selectmenuscreentopickuptherightsignal
input
Pins(156,157),
NO