Sharp LC-19S7E-BK User Manual

LC-19S7E-BK LC-26S7E-BK LC-32S7E-BK
32
The audio signal is not output (2)
↓
No audio signal output from LINE_AUDIO_OUTPUT terminal.
TEREMINAL UNIT: ↓
↓NO
↓NO
The audio signal is not output (3)
↓
No sound from HEADPHONE_OUTPUT terminal.
MINI AV_UNIT: ↓
↓YES
↓YES
↓YES
Is the audio signal output from IC U4201 pin(80) (LINEOUTL) and
pin(81) (LINEOUTR) sent to pin(13)(INL) and pin(15)(INR) of IC
U1201?
Is audio signal output from IC U1201 sent to pin(4)(AUD_LOUT)
and pin (6)(AUD_ROUT) of connector(CN1205)?
YES
Check the connection to CN1205 and external devices.
YES
Check the line between IC U4201 and IC U1201.
Check IC U4201 and its peripheral circuits.
Is the audio signal output from IC U6103 to pin(2) (HPL) and pin (3)
(HPR) of headphone terminal CN1204?
Is the HP_DET signal input into pin (93) of IC U4201 from pin (5) of
a headphone terminal (CN1204)?
NO
Check the connection to CN1204 and external headphone is
plug in well.
NO
Check the line between IC U6103 and CN1204.
Check IC U4201 and its peripheral circuits.
Is the audio signal output from IC U4201 pin (84)(DACOUTL0) and
pin(85) (DACOUTR0) sent to pin(15)(INR) and pin(13)(INL) of IC
U6103?
NO
Check the line between IC U4201 and IC U6103.

Sharp LC-19S7E-BK Specifications

General

Brand	Sharp
Model	LC-19S7E-BK
Category	LCD TV
Language	English