LG 29FS2AMB/ANX Service Manual page 18

3. No PIP
<AV1, 2, 3>
Waveform of Digital Board
IC001 #189, 182, 188?
YES
Waveform of Digital Board
IC001 #195?
YES
Waveform of Digital Board
IC510 #19~22, 24~28?
YES
Waveform of Digital Board
IC001 #165~167?
4. No power
Check ST_3.3 of IC001 #45, 75, ...
ST_1.8V of IC001 #124, 169...
Check IC001 #79,89 (OSC)
Check IC001 #83, 84(SCL, SDA)
Check IC1001 #161(ABN)
Check IC001 #89(IR), #162(Key in)
NO
Check
AV JACK1
Check TU102
NO
Check Digital Board
IC001
NO
Check around IC510
NO
Check around IC001
NO
YES
NO
YES
NO
YES
NO
YES
NO
<RF>
Waveform of MAIN1
Q101(E)?
NO
YES
Check Digital Board
IC510 #2
Check Q510
Check MAIN Board of Power Line
Replace X001
Replace Q009, Q010
Check Abnormal Circuit
Check Digital P503, P504 connector
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<SCART>
Waveform of Digital
Board IC510 #51,
52, 53, 46?
YES
NO
NO
YES
Check Scart
Jack
SCART201