LG KE-14P22B Service Manual page 26

NO RASTER
Is there about 115V
at pin 3 of T701?
YES
Is there about 8V
at pin 6 of P805?
YES
Does the square
waveform appear at pin 1 of
P805?
YES
Does the waveform
appear at the collector
of Q781?
YES
Is there about
6.3V at HEATER of CPT
AC
SOCKET?
YES
Go to NO PICTURE BLOCK
NO
Go to NO POWER BLOCK
¡ Check/Replace F852, D850,
NO
R858, IC853, C863.
¡ Check the 8V LINE of VCD
BOARD
¡ Check the H-OUT LINE of VCD
NO
BOARD.
¡ Check/Replace IC501 of VCD
BOARD.
NO
Check/Replace Q782, T781, R783,
NO
Check/Replace T701, 5PIN
CONNECTOR, FR901,FR902.
Q781.
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