JVC LT-26DR7BJ Service Manual page 23

Item No. Item
M204 1ECB
M205 1ECC
M206 1ECD
M207 1ECE
M208 1ECF
M209 1ED0
M210 1ED1
M211 1ED2
M212 1ED3
M213 1ED4
M214 1ED5
M215 1ED6
M216 1ED7
M217 1ED8
M218 1ED9
M219 1EDA
M220 1EDB
4.7 ADJUSTMENT PROCEDURE
4.7.1 VIDEO CIRCUIT
Measuring
Item
instrument
WHITE Remote
BALANCE control unit
(HIGHLIGHT)
Signal
generator
Variable range Setting value
00 - FF 00
00 - FF 02
00 - FF 00
00 - FF 00
00 - FF 00
00 - FF 10
00 - FF 00
00 - FF 00
00 - FF 00
00 - FF 00
00 - FF FF
00 - FF 00
00 - FF 00
00 - FF 00
00 - FF 00
00 - FF 00
00 - FF 00
Test point Adjustment part
[1.ADJUST]
S001: R DRIVE (Red drive)
S002: G DRIVE (Green drive)
S003: B DRIVE (Blue drive)
Item No. Item
M221 1EDC
M222 1EDD
M223 1EDE
M224 1EDF
4.6.4 DRIVE SYSTEM SETTING (Fixed values)
Item No. Item
F001 DD
F002 RAM REF
4.6.5 NOT USED (Fixed values)
Item No. Item
D001 RESREV
4.6.6 NOT USED (Fixed values)
Item No. Item
Z001 RESREV
(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) Adjust to Keep one of < S001 > (Red drive),
< S002 > (Green drive) or < S003 > (Blue drive)
unchanged, then lower the other two so that the
all-white screen is equally white throughout.
NOTE:
Set one or more of < S001 >, < S002 >, and
< S003 > to "137".
(7) Check that white balance is properly tracked
from low light to high light. If the white balance
tracking is deviated, adjust to correct it.
(8) Press the [MUTING] key to memoirze the set
value.
Variable range Setting value
00 - FF 00
00 - FF 00
00 - FF 00
00 - FF 00
Variable range Setting value
0 - 1 0
0 - 1 0
Variable range Setting value
0 - 255 2
Variable range Setting value
0 - 255 2
Description
(No.YA408)1-23