Hor./Osc/Def/Hv Circuit Fault; Abnormal Horizontal Deflection - Fujitsu MCM1514V Service Manual

NO RASTER (DISCONNECT WITH SIGNAL CABLE)
CHECK IC401 PIN 29 ABOUT 11.5VDC
NG
OK
CHECK IC401 PIN 26 WAVE
FROM ABOUT 3Vpp
NG
OK
CHECK THE COLLECTOR VOLTAGE OF
Q402 ABOUT 30Vpp
FROM ABOUT 3Vpp
NG
OK
CHECK THE COLLECTOR VOLTAGE OF
Q403 ABOUT 1250Vpp AT FH:31KHz
FROM ABOUT 3Vpp
NG
1. ABNORMAL HORIZONTAL SIZE
READJUST H-SIZE FUNCTION
NG
OK
CHECK FBT VOLTAGE ABOUT
90V AT FH=31KHz
CHECK THE HV OF CRT
ABOUT 24.5KV
2. ABNORMAL HORIZONTAL RASTER CENTER
CHECK D418,D419,R457,R458,L404

6-4 HOR./OSC/DEF/HV CIRCUIT FAULT

6-5 ABNORMAL HORIZONTAL DEFLECTION

CHECK IC401 PIN 29 RELATIVE
CIRCUIT
CHECK IC401 PIN 4 ~ 7, PIN 13
RELATIVE CIRCUIT
CHECK Q402,T401
RELATIVE CIRCUIT
CHECK T401,T402,Q402,Q403,
D408,C418,C419,H-DY,B+
FROM ABOUT 3Vpp
CHECK THE RELATIVE CIRCUIT
OF Q404,Q405, & Q406
CHECK THE RELATIVE
CIRCUIT OF SMPS.