Panasonic PT-M1083U Service Manual page 47

Crt projector shassis s4
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2. Connect an oscilloscope
to TPLY8 on the
LY.P.C.
Board.
~ ~ ~ ~ ~ ~
4. Connect an oscilloscope
to TPl Y18 on the L Y-
P.C.8oard.
5. Adjust Screen VA (G) so that G1 voltage is about
-1OV
DC level.
6. Connect an
oscilloscope
to TPLC8 on the LC-
P.C.Board.
7. Adjust Screen VR (8) so that G1 voltage
is about
-1QV
DC level.
8. Adjust the CONTRAST on the remote control so that
the DAC
value
of CONTRAST is 190.
9. Disconnect an oscilloscope.
10. Press the TEST button on the remote control.
11. Press the WB-HIGH
button on it.
12. By using the color analyzer, adjust DAC values
of (R)
highlight and (B) highlight at WB-HIGH mode so that
white chromaticity coordinates on the screen may be
"x=O.3180
and y=O.3540".
However,
adjustment of OAC
value
of (G) highlight
is
not required.
13. Press
the WB-LOW
button on it.
14. Adjust each DAC value
at WB-LOW
mode to the
following values.
R
"'
155
G
0=
128
8
" 225
15. Press the WB-HIGH
button on it.
16. Press
the buttons on the remote
controller
as shown in
Fig. 25
below.
~ ~

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