Sharp LC-60LE450U/LC-60LE452U Service manual
22
5.3
Audio Troubleshooting
(
No Sound
)
OK
Check the signal between
CPU and amplifier IC
NG
OK
NG
Change U2
1. Repair the circuit between
CPU and amplifier IC
2. Change U2
Change or
Debug
the Audio input
OK
Check the Audio
input
NG
Check if it is
on Mute
OK
Turn off Mute
OK
Check J8 Audio output
NG
1.Check the connection of
.
speaker cables
2.Check the speakers
Check the voltage
(12V) of U2
NG
Repair the voltage (12V)
circuit of U2
OK
1. Check the voltage (12V) of Pin 15.16 of U2
2. Check the voltage (12V) of Pin 27.28 of U2
NG
3. Repair the circuit of Pin
15.16.27.28 of U2
4. Change U2
Содержание Aquos LC-60LE450U
Страница 5: ...Sharp LC 60LE450U LC 60LE452U Service manual 5 2 System block ...
Страница 11: ...Sharp LC 60LE450U LC 60LE452U Service manual 11 ...
Страница 12: ...Sharp LC 60LE450U LC 60LE452U Service manual 12 4 1 3 Inverter 4 1 4 Tuner power 4 2 Reset circuit ...
Страница 13: ...Sharp LC 60LE450U LC 60LE452U Service manual 13 4 3 IR KEY circuit ...
Страница 15: ...Sharp LC 60LE450U LC 60LE452U Service manual 15 4 6 AV YPBPR ...
Страница 16: ...Sharp LC 60LE450U LC 60LE452U Service manual 16 4 7 HDMI circuit ...
Страница 17: ...Sharp LC 60LE450U LC 60LE452U Service manual 17 4 8 USB Circuit 4 9 AMP Circuit ...
Страница 18: ...Sharp LC 60LE450U LC 60LE452U Service manual 18 4 10 Main controller MSD3393LU ...
Страница 32: ...Sharp LC 60LE450U LC 60LE452U Service manual 32 J2 LVDS INTERFACE 2 15PIN 2 0 ...
Страница 36: ...Sharp LC 60LE450U LC 60LE452U Service manual 36 ...
Страница 37: ...Sharp LC 60LE450U LC 60LE452U Service manual 37 ...
Страница 38: ...Sharp LC 60LE450U LC 60LE452U Service manual 38 ...
Страница 39: ...Sharp LC 60LE450U LC 60LE452U Service manual 39 ...
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Страница 41: ...Sharp LC 60LE450U LC 60LE452U Service manual 41 ...
Страница 42: ...Sharp LC 60LE450U LC 60LE452U Service manual 42 9 Mechanical Explosion Diagram 9 1 TV Set Explosion Diagram ...
Страница 43: ...Sharp LC 60LE450U LC 60LE452U Service manual 43 TV Set Explosion Diagram parts description ...
Страница 44: ...Sharp LC 60LE450U LC 60LE452U Service manual 44 9 2 Packing Explosion Diagram ...
Страница 45: ...Sharp LC 60LE450U LC 60LE452U Service manual 45 10 SUPPLIED ACCESSORIES ...