JVC LT-32WX84, Service Manual, Page: 46 / 130

1-46 (No.YA004)
SUB-SCREEN
BLACK
LEVEL Remote control
unit
Signal generator
[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)
(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.7)
(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.
Fig.7
Item
Measuring
instrument
Test point Adjustment part Description
090 Output level upon detection
016 Minimum value upon detection
016 Maximum value upon detection
F46
F47
F48
Item No. Setting value Adjustment item
SPLIT screen mode
Set the 0% black part in this part to the same
black color as on the left screen.