Abnormal White Balance & Tracking; No Blanking - Tatung OMNISCAN SERIES Service Manual

6.13
ABNORMAL WHITE BALANCE
&
TRACKING
r----->
ABNORMAL BRIGHTNESS :"'-, _"':""'---,.--:-,-'
-------->
0056,0004 (PWB-1(397)
I
CONTROL 0064, 0069
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0124,0129
I '
0009, P008
: R722 (PWB-1701)
I
L _______
>
ABNORMAL CONTRAST
---------~------------>
0047, 0048 (PWB-1697)
: CONTROL 0008, 0068
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0128, 0002
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0062, 0122
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I
I
I
P008
R721 (PWB-1701)
L ________
>
READJUST WHITE
-..:.------------------------------>
REFER TO THE
BALANCE
6.14 NO BLANKING
ie : VISIBLE RETRACE LINE ON THE BACKGROUND RASTER
CHECK BLANKING
CIRCUIT
I
I
I
~------------------------------------------>
I
I
I
I
I
I
I
~-------'--------------------------->
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I
I
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ALIGNMENT
PROCEDURE
0322, 0323, C340, 0321
D321 , 0320, 0324, R351
R303, D302
MAIN BOARD (PWB-1701)
C904, C908
CRT BOARD (PWB-1643)
L
- - >
READJUST G2 VOLTAGE
=
6-13
=