LG 29FX5REE Service Manual page 15

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Select correct system
In menu
OK
Check the connection
Of AV equipment
Check the the waveform
AV
At pin16, 17 of IC11
OK
OK
Check the waveform
At pin4, 5, of IC11
OK
Check waveform
At pin 2, 4 of IC601
OK
Check the voltage
At pin6 of IC601
OK
Check the waveform
At pin 8, 9, 11, 12 of IC601
AV Stereo
OK
NO
NO
NO
NO
NO
Check the vpltage
At pin7, 5 of IC601
OK
Check the connection of
side or Front AV Board
P603A
OK
Replace IC601
- 15 -
Check TU101 Tuner
Check the voltage
Of pin2, 19, 20, 21,24 of IC11
Check the signal line of
SPK-L,R
Check pin 55 (mute)
of IC11
NO
Check /Replace
D828, D805, F806
NO
Connect the Board