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NO RASTER
(SOUND OK)
Check heater element is lighting
Check/Replace FR901
NG
Check the B+ (110V)
Check/Replace CPT
0V
Check the waveform
Check/Replace D810
at the pin40 of IC501
Abnormal
Check/Replace
Check the waveform at
IC501
the collector of Q401
Abnormal
Check the waveform at
Check/Replace Q401
the collector of Q402
Abnormal
Check/Replace Q402
Check/Replace T403
NG
Check the heater Voltage
0V
Good
at C422
110V
Normal
Increase by Remote
controller
Normal
Check/Replace IC504
& SCART pin16
Normal
Check/Replace
IC501
6.0-6.6Vrms
Increase screen voltage of FBT
Screen is black
Check the Contrast &
Bright level by OSD
min
Normal
Check the voltage at
the pin14, 26 of IC501
0V
over 0.6V
Check the voltage at
the pin39 of IC501
0V
over 0.6V
Check the voltage (7.5Vp-
p) at the pin41 of IC501
Yes
Check/Replace
Check/Replace
IC501
R442, 443, ZD410
Retrace line is visible
Check/Replace
FR436, D406
Check/Replace CPT
Board
No
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