JVC LT-32WX84/K Service Manual page 42

Measuring
Item
instrument
COMPONENT Remote control
INPUT A-D unit
CONVERTER
GAIN Signal generator
Item No. Setting value
090
F46
F47 220
F48 220
Adjust this part to maximum brightness.
1-42 (No.YA090)
Test point Adjustment part
[8.PP]
ADM010: (NO DISPLAY)
(G GAIN)
[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.3
Description
(1) Input 525i 100% all-white signal into a component
input terminal.
(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) Press the [MUTING] key to memoirze the set value.
(9) Select "8.PP" from the SERVICE MODE.
(10) Adjust < ADM010 > (G GAIN) to set the upper half
of the screen to maximum brightness. (Fig.3)
(11) Press the [MUTING] key to memoirze the set value.
(12) Check the black level. Perform the "BLACK LEVEL
Adjustment" again if the adjusted value is not
proper.
(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.
(16) Input 1125i signal.
(17) Repeat steps (5) to (15) above.