LG 29FS2RMB-TP, Service Manual

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Check if heater element is lighting.
Check the heater voltage.
Increase the screen
Check/Replace
FR901, R405.
Check/Replace
CPT.
Check/Replace
Q503, Q504, Q505,
Q1904, Q1902, Q1907.
Check the waveform
at pin 20, 21, 22
of IC501.
Check/Replace
IC900, R402, D401.
Check/Replace
CPT Socket, R910, 931, 942.
Retrace line is
Screen is black.
visible.
Check the waveform
at pin 11 of IC900.
Check the waveform
at pin 62, 63, 64 of IC501.
(RGB out)
Check the waveform
at pin 1, 3, 5 of IC900.
Check FBT & CPT socket
& CPT.
voltage of FBT.
Check/Replace
IC501.
Check the waveform
at pin 2, 140, 143 of IC101.
Check the waveform at
PIN100 of IC101.(CVBS4)
Check the waveform at
PIN 38, 41, 46 of IC501.
NO
YES
YES
YES
NO
NO
NO
NO
YES
Check/Replace
IC401, FL201, 202, 203.
Check/Replace
IC501.
NO YES
YES
Check/Replace
IC101.
Check the waveform at
Pin63 of IC201.(TV)
NO YES
Check/Replace
IC201.
Check the waveform at
TU101,Q106, Q225.
NO YES