Abnormal Horizontal Deflection - Acer AC511 SERIES Service Manual

6-5 ABNORMAL HORIZONTAL DEFLECTION

1. ABNORMAL HORIZONTAL WIDTH OF VIDEO
READJUST H-WIDTH FUNCTION
NG
OK
CHECK FBT B+ VOLTAGE
ABOUT 70V AT FH=31KHz
CHECK THE HV OF
CRT ABOUT 24.5KV
2. ABNORMAL HORIZONTAL VIDEO CENTER
CHECK IC401 PIN 4, 7
RELATIVE CIRCUIT
3. ABNORMAL HORIZONTAL LINEARITY
CHECK L401, Q410, Q426
AND IC101 PIN 28, 29
CHECK THE RELATIVE CIRCUIT
OF Q404, Q405, & Q406
CHECK THE RELATIVE
CIRCUIT OF SMPS.
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