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2.No Raster
Heater Voltage is OK but No Raster
Increase Screen Voltage
by turn right screen volume
Appear Raster
(with Vertical retrace line)
Yes
Readjust screen Voltage
Yes
Check the voltage
at pin 14.15.16 of IC 101
check the
No
voltage between
+ and - C407
check Q501. 502.
Q503
No
No
Yes
check IC 101
check T402
check D403
SM-74PM.P16
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