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Plasma Display PD421
. Circuit Service Methods
1. W hite Ba lance A djustment
l Refer to adjustment specifications for information on makin g adjustments
m When white balance has to be adjusted during service
- If the module is replaced, it must be readjusted u sing VG -828 equipment,
according to the adjustment specifications
- When making progra m upgrades [ ROM (UM04) replacement] or replaci ng A/V
B/D, the values stored i n A/V B /D’ s EPROM
(UM12) should be written down
and re-ente
The method of white Balane Adjustment before ROM or B/D IS Replaced
red into the new new Rom or A/V Board
.
before Rom or B/D is
Replaced
select the Video Mode
Select "Device" from
the menu
Select AD9883
R.G.B-Gain value
R.G.B-Gain value
Factory Mode Exit
Select the pc mode
Enter into the Factory
mode
Select the Device
Select AD9883
R.G.B-Gain value
R.G.B-Gain valye
Enter the Menu+42+
Mute key
Select "White" from the
menu
R.G.B-Gain value
R.G.B-Blas value
Select "Device"
Select FLI2300
Brightness and
Contrast values
Factory Mode Exit
Select the DTV mode
Enter into the Factory
mode
Enter into the
Factory Mode
Separate Record(a)
Separate Record(c)
Separate Record(d)
Separate Record(b)
Summary of Contents for PD421
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Page 30: ...29 Plasma Display PD421 MC68HC705BD7B TA8851...
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