Philips 107T60 - Page 90

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107T6 CRT
Repair Flow Chart (Continued)
90
D. Vertical Deflection Failure
Basic check
+12V/-12V
Symptom:
one horizontal line
V-size is abnormal
too large/small
Check
3401,3402,
3403, 3404 good
OK
Check
6401 good?
OK
Check 7401
NO
NO
Check 7401
Check 3407,
3408, 3411
OK
Check 7804
Pin37 ramp
exist?
NO
Check 7804