Philips DELLP1230 - Page 81

D. Vertical Deflection Failure
check
3578,3580
good
basic check
+15/-15V
Sympton :
one horizontal line
V_size is abnormal
too large/small
check 7567
Pin2,pin3?
check
+15V,3569,6567
good?
replace
3578,3580,7567
No
Ok
replace
3569,6567,7567
Ok
No
check
7421
check
3571,3572
Ok
No
81
Repair Flow Chart
9
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Dell P1230 M25P