Abnormal Display; No Blanking - Fujitsu MCM1514V Service Manual

NO SIGNAL ON SCREEN
CHECK VIDEO IC VCC ABOUT 8V
NG
OK
CHECK THE OUTPUT VOLTAGE
OF IC801 PIN 13,15,18 ABOUT 3Vpp
NG
OK
CHECK THE B+ VOLTAGE OF
VIDEO PCB ABOUT 75V
NG
OK
CHECK THE VOLTAGE OF CRT
CATHODE ABOUT 40Vpp
NG
OK
CHECK THE VOLTAGE OF FBT
SCREEN ABOUT 400 TO 600V
LESS THAN 400V
EXCEED 600V
CHECK THE RELATIVE
CIRCUIT OF BLANKING
NG
OK
CHECK C836,R859 ON VIDEO PCB,
CHECK G1 RELATIVE CIRCUIT

6-2 ABNORMAL DISPLAY

CHECK THE 12V PIN
OF P802 CONNECTOR
CHECK THE RELATIVE CIRCUIT
OF Q813,Q814 & IC801
CHECK THE 80V RELATIVE
CIRCUIT OF SMPS ON MAIN PCB
OF Q813,Q814 & IC801
CHECK THE IC802
RELATIVE CIRCUIT
CHECK FBT RELATIVE
CIRCUIT
CHECK CRT RELATIVE
CIRCUIT OR REFER ITEM 7-1

6-3 NO BLANKING

CHECK THE RELATIVE CIRCUIT
OF Q601 & Q707 ON MAIN PCB