JVC LT-26A80SU Service Manual page 21

4.7 ADJUSTMENT PROCEDURE
4.7.1 VIDEO CIRCUIT
Measuring
Item
instrument
COLOUR Remote
DECODER control unit
Signal
generator
ADJUST AUTO PAL FUL ADJUST AUTO PAL FUL
1.SC ADJ 1.SC ADJ
SC DEV:+ SC DEV:+
- + - + OK:STORE OK:STORE
WHITE Remote
BALANCE control unit
(HIGHLIGHT)
Signal
generator
Test point Adjustment part
[1.ADJUST]
1.SC ADJ
14 14
0 0 (A)
i=EXIT i=EXIT
[1.ADJUST]
2.R DRIVE
3.G DRIVE
4.B DRIVE
Description
(1) Receive a PAL colour bar signal.
(2) Select "1.ADJUST" from the SERVICE MODE.
(3) Select <1.SC ADJ>.
(4) Adjust the value of <1.SC ADJ> to set the value
of (A) to 0±3.
NOTE:
The value of <1.SC ADJ> should be adjusted
within 7 - 24.
(5) Press the [OK] key to memoirze the set value.
(1) Receive a PAL 75% all white signal.
(2) Set PICTURE MODE to "STANDARD".
(3) Set ZOOM to "FULL".
(4) Set COLOUR TEMP. to "NORMAL".
(5) Select "1.ADJUST" from the SERVICE MODE.
(6) Adjustment is select 1 item from <2.R DRIVE>,
<3.G DRIVE> and <4.B DRIVE> then select item
fix to "920" Other color shold be less than 920.
NOTE:
Finaly minimam more than 1 item (<2.R
DRIVE>, <3.G DRIVE> or <4.B DRIVE>)
should be "920".
(7) Must check white balance adjustment correctry
with low light to high light.
(8) Press the [OK] key to memoirze the set value.
(No.YA509)1-21