SHARP LC15B4E
Instrukcja Serwisowa

LC-13B4E LC-15B4E

No picture (1/3)

picture No VIDEO 2 at all output No TV output

Check all the settings microprocessor's adjust process menu.

Is in/output of IC801 normal? normal? Yes

IC801 Is input at pin No Is Check voltages V1_V at (14) of IC806 line and its pins (6), (7) and normal? peripheral parts. (18) tuner Check the power line.

No Check IC1201 Yes Is in/output of
(13) of tuner and its

Is output at pin No Check tuner

IC1201 normal? and its peripheral parts.

Yes normal? peripheral parts.

Check LCD Yes panel voltages No and waveform. Check the its Is input at pin (16) of IC806 line. normal?

TROUBLE SHOOTING TABLE (Continued)

18
Yes
Is the pin (3) of No Check IC806 IC806 at "H" and its state? peripheral parts.

Yes
Is the pin (48) No of IC2001 at "H" Check the its line. state?