SHARP LC-10A2M-S
Manual de Servicio

LC-10A2H-S/A LC-10A2M-S/A

No sound

No sound from output speakers headphone line TV sound failure

Check all settings on the microprocessor�s adjust process menu.

Q306, Check the Muting effect is No IC2001 at �L�? peripheral parts.

(53) (55) J3405 their Is Pin (52) of Check the tuner and its

Is output at Pin (16) of tuner as specified?

on. Check the LMUTE line. IC2001 at �L�? FSMU line.

Yes No
Is input at Pin (60) of IC901 as specified? parts.

the Are outputs at IC902 Check IC901, IC903 their headphone Pins (1) (7) and its Q3301, Q3204, IC903 its of IC902 as peripheral Q3205 and specified? parts. their peripheral

TROUBLE SHOOTING TABLE (Continued)

14
in question. IC303 as peripheral

Yes

Are inputs and Check IC303

No outputs of and its Check the line

specified? parts.

Yes

Are inputs at Check the line Pins (5) and (8) No in question, well as IC303 and its outputs at Pins peripheral (2) and (11), all parts. of IC301, as specified?

Yes

Check the speakers and their peripheral parts.