Sharp LC-42D64U User Manual

LC-42/46/52D64U
6 – 18
No monitor audio output
Is the audio output from the monitor set at “VARIABLE” or “FIXED”
on the menu screen?
NO Check the bus line(SCL0/SDA0) and IC1403.
YES
Are there the audio signal outputs at pins(24)(LINE_L) and
(25)(LINE_R) of IC1403(CODEC)?
NO Check IC1403 and its peripheral circuits.
YES
Does the audio signal come from pins(24)(LINE_L) and
(25)(LINE_R) of IC1403 to pins(29) and (31) of SC2203 on the
MAIN unit?
NO
Check the line between IC1403 and SC2203.
YES
Are there the audio signal inputs at pins(29)(LINE_L) and
(31)(LINE_R) of SC501 on the TERMINAL unit?
NO Check the line between SC501 and SC2203 connectors.
YES
Does the audio come from pins(29)(LINE_L) and (31)(LINE_R) of
SC501 to pins(2)(L) and (4)(R) of J505?
NO Check the line between J505 and SC501, and their peripheral cir-
cuits.
Check the LINE_MUTE line and its peripheral circuits(Q507 thru
Q509, etc.).

Sharp LC-42D64U Specifications

General

Brand	Sharp
Model	LC-42D64U
Category	TV
Language	English