Sharp LC-32LE700E Service Manual page 52

LC-32/40/46LE700E/RU/S,LU700E/S,LX700E/RU,LC-52LE700E/RU/S
Is there a audio input signal in pins (6/SC1_IN_L) and (2/
SC1_IN_R) of EXT1 (SC503)?
Is there a audio input signal in pins (6/SC2_IN_L) and (2/
SC2_IN_R) of EXT2 (SC502)?
Is there a audio input signal in pins (V28/SC1_L) and (V27/
SC1_R) of IC3302 (Digital AV decode & Main CPU) from
SC503?
Is there a audio input signal in pins (U27/SC2_L) and (U26/
SC2_R) of IC3302 (Digital AV decode & Main CPU) from
SC502?
Refer to "No sound output in all modes".
Is there a audio input signal in pins (2/COMP_IN_L) and (4/
COMP_IN_R) of EXT3 (J502)?
Is there a audio input signal in pins (U29/COMP_L) and (U28/
COMP_R) of IC3302 (Digital AV decode & Main CPU) from
J502?
Refer to "No sound output in all modes".
Does not the sound of the audio signal input to HDMI-2
mode go out?
Check whether it is selected "EXT4(RGB)" by the Audio setup of
the HDMI option.
Is there a audio input signal in pins(2/PC/HDMI_L) and (3/PC/HDMI_R) of HDMI-2/PC(J501)?
Is there a audio input signal in pins (V30/PC/HDMI_L) and (V29/
PC/HDMI_R) of IC3302 (Digital AV decode & Main CPU) from
J501?
Refer to "No sound output in all modes".
No sound from external input devices (1)
Does not the sound of the audio signal input to EXT1/EXT2 go out?
YES
YES
No sound from external input devices (2)
Does not the sound of the audio signal input to EXT3 go out?
YES
YES
No sound from external input devices (3)
YES
YES
YES
NO Check the setting of an external input device that connects with
EXT1.
NO Check the setting of an external input device that connects with
EXT2.
NO Check the line between SC503 and IC3302.
NO Check the line between SC502 and IC3302.
NO Check the setting of an external input device that connects with
EXT3.
NO Check the line between J502 and IC3302.
Does not the sound of the audio signal input to PC mode go
out?
Check whether it is selected "HDMI-2" by the Audio setup of the
HDMI option.
Check the setting of an external input device that connects with
HDMI-2/PC.
NO Check the line between J501 and IC3302.
6 – 7
YES
NO