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Picture is not displayed
(both RGB and VIDEO input)
Check at operating mode with RGB1 or 2 input
vottage input
at pins @, ©, © ©,®,
® of EDS1 on the PWB
ass'y main?
YES
PWB ass'y signal
PWB ass'y input terminal RGB
Power unit (circuit)
@ ®
: (CHK0041) : +6.6V
: (CHK0043) :+17.0V
> (CHK0044) :+5V
: (CHK0038) :+5V
: (CHK0039) :+5V
: (CHK0040) :+5V
NO
OSS0Q08
Are signal
input at these
pins of EDI1 on the
PWB ass'y
main?
YES
PWB ass'y signal
PWB ass'y input termina! RGB
®, ® : (CHK0031) : R signal
©, @: (CHK0035) : G signa!
g @: (CHK0037) : B signal
: (CHKO10)
:H sync
@
:(CHKO11)
: Vsync
.
: (CHK002)
: VIDEO. R signal
®
®
®
NO
é terKpost : VIDEO. G signal
CHK006)
: VIDEO.
B signal
:(CHKO12)
: VIDEO.
H syne
CHK013)
: VIDEO.
V sync
Are signal
input at these
pins of EMD1 on the
PWB ass'y
main?
YES
PWB ass'y main
@, ®, ® : (CHK066) : R signal
Be
®, @, @ : (CHKO065) : G signal
g. @, 6D : (CHKO64) : B signal
: (CHKO75) : H syne
iy
®
NO
: (CHKO74) : V sync
,@
:(CHKOS55): CLK
PWB ass'y drive
LCD module ass'y
ViewSonic Corporation
-18-
7. oe
: hee eae dk = i
PJ860-2
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