Chapter 4 Connector Information - Acer AL1951 Service Manual

6.No Audio
Check power supply of U601 is 12V?
Check input signal of U601is ok?
Connector Information
Mute and volume setting is ok?
NG
OK
OK
OK
Replace U601
NG
Replace speaker
Reset mute and
volume
NG
Check connecting is ok?
NG
Check correspondent
component
37
NG
Reconnect