Philips 107B7 Computer Monitor User Manual


 
17” CDT Color Monitor 107B7
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7-5. 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
OFQ406
CHECK THE HV OF
CHECK FBT B+ VOLTAGE
CRT ABOUT 25KV
A
BOUT 62V AT FH=31KHz
NG
OK
2.Abnormal Horizontal Linearity
A
ND IC101 PIN9, 10,11
CHECK L401, Q426, Q420, Q427