CTX ex951f Servicehandbuch

6-5 ABNORMAL HORIZONTAL DEFLECTION

1. ABNORMAL HORIZONTAL WIDTH OF VIDEO

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 60.5V 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

137V

CHECK L401, Q407, Q407, R447, C448 AND IC101
PIN 20,21,22,23 CS SWITHCHER IC403, Q401,
Q412,Q417