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27
LGE Internal Use Only
Only for training and service purposes
11. No Sound – PC Input
- Check the condition of the PC cable connection.
-
Check the system clock (27MHZ,Y171) and the Voltage of VCTP_P(U81)
Check the signal(R,L)
of U211
No Sound
Re-soldering or Change the
defect part(U211)
Fail
Check input source cable or Jack(JP377)
Pass
Pass
Repeat D Process
Pass