![background image](http://html1.mh-extra.com/html/viewsonic/vg900b-1/vg900b-1_service-manual_1021233014.webp)
YES
YES
OK
YES
NO
YES
NO
OK
OSD CKT
END
CHECK U11
OSD_CLK(Pin6),U8 OSD_HS
(Pin31),OSD_VS(Pin 32)
SIGNAL
CHECK U15
FBLK(Pin42),OSD_B(Pin 43)
,OSD_G(Pin44) And OSD_R
(Pin 1) SIGNAL
START
OSD CKT
CHECK U8
FBLK(Pin23),OSD_B(Pin 22)
,OSD_G(Pin21) And
OSD_R(Pin 20)
REPLACE U15
REPLACE U8
ViewSonic Corporation
1
1
Confidential – Do Not Copy
V
G900b-1