JVC LT-26WX84 Service Manual page 51

Mesuring
Item
instrument
SUB-SCREEN Remote control
BLACK unit
LEVEL
Signal generator
Item No. Setting value
F46 090
F47 016
016
F48
Set the 0% black part in this part to the same
black color as on the left screen.
Test point Adjustment part
[8. PP]
ADM013: (NO DISPLAY)
(G offset)
[1. PICTURE/SOUND]
S13: RDRV (R DRIVE)
S15: GDRV (G DRIVE)
S17: BDRV (B DRIVE)
S19: CUTR (R CUTOFF)
S21: CUTG (G CUTOFF)
S23: CUTB (B CUTOFF)
F44: (NO DISPLAY)
(Picture control)
F45: (NO DISPLAY)
(Picture control mode sw)
F46: OUT LV.
(Output level upon
detection)
F47: LMT BTM
(Minimum value upon
detection)
F48: LMT TOP
(Maximum value upon
detection)
Adjustment item
Output level upon detection
Minimum value upon detection
Maximum value upon detection
SPLIT screen mode
Fig.7
Description
(1) Input NTSC signal that shows brightness gradation
with 0% black into both the right and the left screen.
(2) Set "VIDEO STATUS" to STANDARD.
(3) Set "ASPECT" to FULL.
(4) Select "COLOR TEMPERATURE" to "LOW".
(5) Set SPLIT screen mode.
(6) Select "1.PICTURE/SOUND" from the SERVICE
MODE for the right screen.
(7) Set < F44 > (Picture control) to "001" and <F45 >
(Picture control mode sw) to "000" to set Y ADJUST
MAX MODE.
(8) Set < F46 > (Output level upon detection), < F47 >
(Minimum value upon detection), and < F48 >
(Maximum value upon detection) to values as
shown in the left table.
(9) Press the [MUTING] key to memoirze the set value.
(10) Select "8.PP" from the SERVICE MODE.
(11) Adjust < ADM013 > (G OFFSET) to set the 0% black
part on the upper right half of the screen to the same
color as on the upper left half of the screen. (Fig.9)
(12) Press the [MUTING] key to memoirze the set value.
(13) Select "1.PICTURE/SOUND" from the SERVICE
MODE.
(14) Set < F44 > (Picture control) to "000" to cancel Y
ADJUST MAX MODE
(15) Press the [MUTING] key to memoirze the set value.
(No.YA089)1-51