Acer AC511 SERIES - Abnormal Horizontal Deflection

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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
ABOUT 70V AT FH=31KHz
CRT ABOUT 24.5KV
2. ABNORMAL HORIZONTAL VIDEO CENTER
RELATIVE CIRCUIT
CHECK IC401 PIN 4, 7
3. ABNORMAL HORIZONTAL LINEARITY
AND IC101 PIN 28, 29
CHECK L401, Q410, Q426
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