19
6-5 ABNORMAL HORIZONTAL DEFLECTION
1. ABNORMAL HORIZONTAL WIDTH OF VIDEO
NG
OK
CHECK THE RELATIVE CIRCUIT
CHECK THE RELATIVE
CIRCUIT OF SMPS.
READJUST H-WIDTH FUNCTION
OF Q404, Q405, & Q406
CHECK THE HV OF
CHECK FBT B+ VOLTAGE
Q911, Q912, Q914, Q915 &
IC401 PIN 4, 5, 6, VR 902
ABOUT 60.0V AT FH=31KHz
CRT ABOUT 26KV
2. ABNORMAL HORIZONTAL RASTER CENTER
P403 AND JUMPER
CHECK T903, D926, D927, R964, R968
3. ABNORMAL HORIZONTAL VIDEO CENTER
CHECK IC101 PIN 9, 10, IC401 PIN 18, 19
4. ABNORMAL HORIZONTAL LINEARITY
CHECK L401, Q407, R447, C448
AND IC101 PIN 20, 21, 22, 23
CS SWITCHER IC403, Q410, Q411, Q420
CHECK THE RELATIE CIRCUIT OF
Q409
CHECK THE RELATIVE CIRCUIT OF
SMPS. Q408,IC401 PIN 4
、
5
、
6 ,VR902
CHECK FBT B+ VOLTAGE AT Q408
GATE
NG
OK
CHECK THE HV OF CRT ABOUT
25KV
CHECK T405,D409,D410,R436,P401 AND
JUMPER
CHECK IC101 PIN10,11 IC401 PIN18,19
CHECK T402,Q413,R448,C428 AND IC101 PIN19~23
CS SWITCHER Q429~Q433 Q415~Q419
