Philips V40 109B6 - Page 79

Repair Flow Chart
109B6 CRT
79
D. Vertical Deflection Failure
Basic check
+12V/-12V
Symptom:
one horizontal line
V-size is abnormal
too large/small
Check
7501 PIN 12.13
OK
NO
Replace 7501
Check 7401
Pin1.7 ramp
exist?
NO
Check 3554.3552
Go to cover page