Repair flow chart (continued) – Philips V30 User Manual

Page 76

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Repair Flow Chart (Continued)

9

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107T5

D. Vertical Deflection Failure

check

3401,3402
3403

good

basic check

+12/-12V

Sympton :

one horizontal line
V_size is abnormal
too large/small

check 7501

Pin22,pin13 ramp

exist ?

check

6401
good?

check

7401

No

Ok

check

7401

Ok

No

check

7501

check

3407~3409

Ok

No

76

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