Abnormal Horizontal Size Function - Philips 109B7 Service Manual

19" CDT Color Monitor

7-7 . Abnormal Horizontal Size Function

Adjust H-size function and then
test the variety of IC101 Pin35
OK
Check the waveform of IC101 Pin18
OK
Check the variety rang V
collector antidromic pulse waveform
OK
Check high voltage about 25KV
NG
NG
of Q403
cp
NG
Check IC101 B+ adjustment circuit
Check the relative circuit of IC101 B+
Check the relative circuit of Q401, Q402
References Item4
33
109B7