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24
Normal
Normal
Abnormal
Abnormal
Normal
Abnormal
Normal
2.
No Raster
Abnormal
Check the voltage of
all pins of XP902 is
normal
Heater Resistor
open
Check to see if the
voltage of V433 is
existed?
Check the circuit from
pin13 of N201 to H-
drive
No raster
Whether G2 voltage is normal
Video amplifying
board is abnormal
V433 is not well
welded or open
T431, V433 Or C415,
C416. Care broken
Higher
Lower
Inspect the circuit
from pin19, 20,
and 21 of N201 to
video amplifying
board
Check the voltage
of V433 collector is
normal
Inspect T431, R434
etc.
Normal
Abnormal
Replace bad components
Check N201
Check N201 and H-Vibration
Check +12V power circuit