6-4 HOR./OSC/DEF/HV CIRCUIT FAULT
NO RASTER (DISCONNECT WITH SIGNAL CABLE)
NG
OK
NG
OK
NG
OK
NG
6-5 ABNORMAL DDC (PLUG & PLAY)
6-6 ABNORMAL HORIZONTAL DEFLECTION
1. ABNORMAL HORIZONTAL WIDTH OF VIDEO
NG
OK
OK
NG
CHECK IC101 PIN5 VOLATAGE ABOUT 5V
CHECK THE COLLECTOR VOLTAGE
OF Q403 ABOUT 1100Vpp AT FH:31KHz
CHECK IC801 PIN 10 ABOUT 11.5V VDC
CHECK IC401 PIN10 RELATIVE
CIRCUIT
CHECK IC801 PIN 26 ~ 30
RELATIVE CIRCUIT
CHECK IC401 PIN8 Waveform ABOUT 10Vpp
CHECK THE DRAIN VOLTAGE
OF Q402ABOUT 40Vpp
CHECK Q402, T401
RELATIVE CIRCUIT
CHECK T401, T402, Q402, Q403, D408,
C418, C419,H-DY
READJUST H-WIDTH FUNCTION
CHECK THE HV OF
CRT ABOUT 26KV
CHECK FBT B+ VOLTAGE
ABOUT 60.5V AT FH = 31KHz
CHECK THE RELATIVE CIRCUIT OF
SMPS.Q914, Q915, Q911, Q912
IC801 PIN 3, 4, 5, 6, VR801
CHECK THE RELATIVE CIRCUIT
OF Q404, Q405, & Q406
CHECK SIGNAL CABLE OR H802
PIN3
4 DATA OUTPUT
CHECK Q102 GOOD OR FAIL
