JVC LT-32WX84/K Service Manual page 44

Measuring
Item
instrument
COMPOSITE Remote control
INPUT BLACK unit
LEVEL
Signal generator
Item No. Setting value
090
F46
016
F47
016
F48
Adjust so that 0% black is the brightest.
1-44 (No.YA090)
Test point Adjustment part
[2. YC SEP]
YCM131: (NO DISPLAY)
(BRIGHTNESS)
[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
Fig.5
Description
(1) Input NTSC signal that shows brightness gradation
with 0% black.
(2) Set "VIDEO STATUS" to STANDARD.
(3) Set "ASPECT" to FULL.
(4) Select "COLOR TEMPERATURE" to LOW.
(5) Select "1.PICTURE/SOUND" from the SERVICE
MODE.
(6) Set < F44 > (Picture control) to "001" and < F45 >
(Picture control mode sw) to "000" to set Y ADJUST
MAX MODE.
(7) 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.
(8) Select "2. YC SEP" from the SERVICE MODE.
(9) Adjust < YCM131 > (BRIGHTNESS) so that 0% part
of gradation is the brightest. (Fig. 5)
(10) Press the [MUTING] key to memoirze the set value.
(11) Select "1.PICTURE/SOUND" from the SERVICE
MODE.
(12) Set < F44 > (Picture control) to "000" to cancel Y
ADJUST MAX MODE.
(13) Press the [MUTING] key to memoirze the set value.