ViewSonic P90F Service Manual download pdf (Page 35)

SECTION 4

G2 = 400 to 650 V

(Do not clockwise turn the

Screen VR to extreme )

No Raster

High Voltage exist

Replace

T101(FBT)

I301 Pin3

HUNLOCK HIGH ?

P410 CONNECTION

proper ?

TO SECTION 6 : Horiz.

Line, No Vert. output

TO SECTION 5 : Vert.

line, No Horiz. output

YES

Check IIC bus

from Pin27,28 of

IA01 to

IA02,I301,I901

Check IA01 and its

peripheral CKT

Replace IA01

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ViewSonic P90F Service Manual Page 35