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Iiyama HM704UTC User Manual

Iiyama HM704UTC
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.!2:!.
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 60.5V 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
CHECK THE RELATIVE CIRCUIT
OF Q409
CHECK THE RELATIVE CIRCUIT
OF SMPS, Q408, IC401 PIN4,5,6,
VR902
CHECK THE HV OF CRT ABOUT
25KV
CHECK T405,D409,D410,R436,
P401 AND JUMPER
CHECK T402, Q413, R448, C428 AND IC101
PIN 20,21,22,23 CS SWITCHER Q429~Q433

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Iiyama HM704UTC Specifications

General IconGeneral
BrandIiyama
ModelHM704UTC
CategoryMonitor
LanguageEnglish

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