LG 32FS2RMB Service Manual page 16

Check/Replace
Check/Replace
YES
Check/Replace
Q503, Q504, Q505,
Q1904, Q1902, Q1907.
YES
Check the waveform at
PIN 38, 41, 46 of IC501.
YES
Check/Replace
IC401, FL201, 202, 203.
Check if heater element is lighting.
Check the heater voltage.
FR901, R405.
Retrace line is
CPT.
Check the waveform
at pin 11 of IC900.
NO
Check the waveform
at pin 62, 63, 64 of IC501.
(RGB out)
NO
Check the waveform
at pin 20, 21, 22
of IC501.
YES
Check/Replace
IC501.
NO
Check/Replace
IC501.
- 16 -
Increase the screen
voltage of FBT.
Screen is black.
visible.
Check FBT & CPT socket
& CPT.
YES
Check the waveform
at pin 1, 3, 5 of IC900.
NO
Check/Replace
IC900, R402, D401.
NO
Check the waveform
at pin 2, 140, 143 of IC101.
NO
Check the waveform at
PIN100 of IC101.(CVBS4)
YES
Check/Replace
IC101.
YES
Check/Replace
IC201.
YES
Check/Replace
CPT Socket, R910, 931, 942.
NO
Check the waveform at
Pin63 of IC201.(TV)
NO
Check the waveform at
TU101,Q106, Q225.