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17
Abnormal
Normal
1.
No raster and no sound
Check the fuse
Check VD503
∼
VD506
V513 C507
Check loading voltages of 109V 180V
Check if the connector electrode
Check if all loading resistors are normal
Check 12V
9V
5V
Check V552 or CPU
POWER control
circuit
Check D902 V902
and V901
There is breakdown in
horizontal circuit and N201
Check switch
power
circuit
Check if rectifier diodes
breakdown
Replace the
rectifier diodes
Loading has
breakdown
Normal
Abnormal
Normal
Abnormal
Abnormal
Normal
Abnormal
Normal
Abnormal
Normal
Maintenance Service and Trouble