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TROUBLE SHOOTING
BE FORE USING THIS CHART, PLEASE RE FER TO THE TROUBLE SHOOTING OF THE USER'S
MANUAL.
1. NO RASTER
CHECK 110V LINE
CHECK 24V LINE
NG
OK
CHECK HV
OPERATION
NG
OK
CHECK 12V LINE
NG
OK
CHECK CRT HEATER
HEATER DOES NOT LIGHT
HEATER
LIGHTS
TURN THE SCREEN VR CLOCKWISE
TOO LOW
CRT FAILURE
MEASURE THE VOLTAGE BETWEEN CND7-GND
AND CND6-GND ON THE MAIN PWB PWE-242
CHECK SW REG
CIRCUIT
JUDGE PECULIAR NOISE O F HIGHVOL TAGE GENERATED
AT POWER SW ON, OR STATIC ELECTRICITY
CHECK H. OSC, H. DE F
HV. CIRCUIT
MEASURE THE VOLTAGES BETWEEN
TP551 AND GND ON THE MAIN PWB PWE-242
T502 ( F.B.T), CONNECTOR D2-C5, CRT SOCKET, CRT FAILURE
-20-
REEFER TO ITE M 13
REEFER TO ITEM 5
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