LG 32FS2AMB 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 around
each Jack
Check around
each Jack
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
<SCART>
Waveform of Digital
Board IC510 #51,
52, 53, 46?
YES
NO
NO
YES
Check Scart
Jack
SCART201