JVC PD-35B50BJ Service Manual page 48

Measuring
Item
instrument
625i A-D Remote control
OFFSET unit
Signal generator
Lose the gap (red line, green line and blue line)
which appears at both ends.
1125i
Remote control
BRIGHTNESS
unit
Signal generator
Set the 0% black part to be brightest.
1-44 (No.YA098)
Test point Adjustment part
[1. ADJUST]
S001:PREPARE
(adjustment setting
mode change)
S008:5i CB OF
(625i blue offset)
S009:5i CR OF
(625i red offset)
S030:R DRIVE
(Red drive)
S031:G DRIVE
(Green drive)
S032:B DRIVE
(Blue drive)
Fig. 7
[1. ADJUST]
S001:PREPARE
(adjustment setting
mode change)
S012:HD BL
(1125i brightness)
S030:R DRIVE
(Red drive)
S031:G DRIVE
(Green drive)
S032:B DRIVE
(Blue drive)
Fig.8
Description
(1) Receive a 625i component ramp pattern signal.
(2) Set PICTURE MODE to "STANDARD".
(3) Select "1.ADFJUST" from the SERVICE MENU.
(4) Set < S030 > (Red drive), < S031 > (Green drive) and
< S032 > (Blue drive) to set "255".
(5) Set < S001 >(adjustment setting mode change) to set
"008" and it change to the 625i A-D offset adjustment
setting mode.
(6) Set < S008 > (625i blue offset) and < S009 > (625i red
offset) to lose the gap (red line, green line and blue
line) which appears at both ends of a white part at the
center of the screen. (See Fig.7)
(7) Set < S001 > to set "000" and it change to the normal
mode.
(8) Press the [MUTING] key to memorize the set value.
(1) Receive a 1125i (50 Hz) black and white pattern signal
(including 0% black signal).
(2) Set PICTURE MODE to "STANDARD".
(3) Select "1.ADFJUST" from the SERVICE MENU.
(4) Set < S030 > (Red drive), < S031 > (Green drive) and
< S032 > (Blue drive) to set "255".
(5) Set < S001 > (adjustment setting mode change) to
set the values "012" and it change to the 1125i black
level adjustment setting mode.
(6) Set < S012 > (1125i brightness) to set the 0% black
part in the upper half of the screen to be brightest.
(See Fig.8)
(7) Set < S001 > to set "000" and it change to the normal
mode.
(8) Press the [MUTING] key to memorize the set value.