ViewSonic E95 - Page 70

7. OSD is Defective
No OSD or OSD abnormal
Check pin12(OSDH) of
Are the pin10 (Vsync)
pin5 (Hsync) of IC603 = P602, pin3(VBL) of P604
normal? whether normal ?
Yes
Are the pin8(SCL) na
pin7(SKA) of IC603
normal?
Yes
Is the pinl12 BLNK pulse no . ,
of IC603 normal? 1C603 is defective
Yes
Are the pin13, pinl4, ne
pinl5 OSD video output 1C603 is defective
of IC603 normal?
Yes
1C601 is defeat
Are the pin38(ISDA),
pin39(ISCL) of IC301
normal?
1C603 is defective 25
no
1C301 is defective
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ViewSonic Corporation| AY a tect aed cannon aly eaes ok ;