Philips DELLP1230 Service Manual page 81

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