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Electrical Adjustment
1. +6V adjustment
Adjust the voltage by using VR652 on the power board
as following.
Connection Adjustment value
(+) 2pin of K6D 6.35 ± 0.05V
on the Power Board
(–) Chassis GND
2. AV video signal adjustment (Y)
Equipment Oscilloscope
Input mode Video mode (Composite)
Input signal 100% color bar
Picture mode Normal
1. Enter the service mode.
2. Connect an oscilloscope to test point.
3. Change data value.
Adjust the amplitude A to be the value below.
Group No. Connection Adjustment value
300 - 2 TP211 0.7 ± 0.05V
3. AV video signal adjustment (C)
Equipment Oscilloscope
Input mode Video mode (Component)
Input signal 100% color bar
Picture mode Normal
1. Enter the service mode.
2. Connect an oscilloscope to test point.
3. Change data value.
Adjust the amplitude A to be the below.
Group No. Connection Adjustment value
300 - 3 TP221 0.7 ± 0.05V
4. LCD Panel L/R Setting
1. Enter the service mode.
2. Check the data value. (290 - 0)
Group No. Value Panel type
290 - 0 0 L
290 - 0 20 R
3. To change the set panel type, select 290-1.
Group No. Value Panel type
290 - 1 0 L
290 - 1 10 Initial
290 - 1 20 R
The initial data of 290 -1 is "10". To set the value for
Type L, set the value to "0". To set the value fr Type R,
set the value to "20". When the value set "0" or "20", it
automatically returns to initial data "10" after the setup.
There are two type( Type L, Type R) for the LCD/Prism
Assy. The adjustment data is stored in the memory IC
(IC1861) on the Main Board.
As the used type is indicated on the Optical unit and
LCD/Prism Assy, perform this adjustment to match to its
type indication.
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