Sony TRINITRON KV-29C3A - Screen (G2), White Balance

KV-29C3
3-3.
Focus
Video
Proc.
TDA4780
} item No | Adjustment item Data Amount
USER CONTROL
1. Receive a television broadcast signal.
2. Normalize the picture setting.
3. Adjust the focus control on the flyback transformer for the
best focus at the center of the screen.
Bring only the center area of the screen into focus,
the magenta-ring appears on the screen. In this case, adjust
the focus to optimize the screen uniformly.
USER CONTROL
USER CONTROL
HUE
USER CONTROL
5 R GAIN 31
6 G GAIN Adj
7 B GAIN Adj
R LVL REF 31
G LVL REF Adj
10 B LVL REF Adj
FOCUS 11 PEAK DRV LIMIT 63
12 GAMMA 31
13 SCP ON = 3LEV OFF = 2LEV ON
Set picture to MAX.
F 5.
3-4. Screen (G2), White balance 6. Set the 'R GAIN ' to 25.
7
(Adjustment in the service mode with
Adjust the 'G GAIN ' and' B GAIN ' so that the white
remote commander) balance becomes optimum.
G2 adjustment (RV3701) 8. Press the OK button to write the data for each item.
9. Set picture to MIN.
1. Input a dot signal from the pattern generator. 10. Set the R LVL REF '' to oe
. Set the Picture, Brightness and Colour to minimum. 11. Adjust’G LVL REF’, and’ B LVL REF
3.
Apply
170V
DC
from
an
external
power
supply
to
the
with
the
left
and
right
buttons
so
that
the
white
balance
R, Gand B cathodes of the CRT. becomes optimum.
4. While watching the picture, adjust the G2 control 12. Press the OK button to write the data for each item.
RV3701 [ SCREEN ] on the C board to the point just
before the return lines disappear.
White balance adjustment
1. Receive an all-white signal.
Enter into the Service Mode by pressing ' TEST’,
‘TEST ' and ' MENU' on the Service Commander.
3. Select ' VIDEO PROC. ' from the on screen menu display
and press OK .
4. The' VIDEO PROC TDA4780' menu will appear on the
screen.
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