Table of Contents
Advertisement
(3) Screen-corner Convergence
Fig. 9
Affix a permalloy assembly corresponding to the misconverged
areas:
3-3. FOCUS
1.
Adjust FOCUS control for best picture.
Fig. 10
3-4. SCREEN (G2)
1.
Input a dots pattern.
2.
Set the PICTURE and BRIGHT controls at minimum
and COLOR control at normal.
3.
Adjust SBRT, GCUT, BCUT in service mode with an
oscilloscope as shown in Fig. 11 so that voltages on the red,
green, and blue cathodes are 170Vdc.
Fig. 11
170 V dc
170Vdc
GND
4.
Observe the screen and adjust SCREEN (G2) VR
to obtain the faintly visible background of dot signal.
3-5. METHOD OF SETTING THE SERVICE
(1) SERVICE MODE PROCEDURE
1.
Standby mode. (Power off)
2.
Remote Commander. (Press each button within a second.)
(2) SERVICE ADJUSTMENT MODE IN
3.
The CRT displays the item being adjusted.
Press 1 or 4 on the Remote Commander to
4.
select the item.
Press 3 or 6 on the Remote Commander to
5.
change the data.
6.
Press
(3) SERVICE ADJUSTMENT MODE MEMORY
7.
3-6. WHITE BALANCE ADJUSTMENTS
1.
2.
3.
4.
5.
6.
7.
8.
9.
10. Adjust with 3 and 6 for the best white balance.
11. Reset DCOL to "1".
12. Write into the memory by pressing
pedestal
— 27 —
KV-29SL40T / 29VL40T / 29XL40T
ADJUSTMENT MODE
Disp.
Item
(Item)
data
SERVICE
AFC
0
then
to write into memory.
Turn set off and on to exit.
Input an entire white signal.
Set to Service adjustment Mode.
Set DCOL to "0"
Set the PICTURE and BRIGHT to minimum.
Adjust with SBRT if necessary.
Select GCUT and BCUT with 1 and 4 .
Adjust with 3 and 6 for the best white balance.
Set the PICTURE and BRIGHT to maximum.
Select GDRV and BDRV with 1 and 4 .
on the
Green
Red
then
.
Advertisement
Table of Contents
