(No.52169)1-53
SUB-SCREEN
A-D
CONVERTER
GAIN
Remote control
unit
Signal generator
[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)
(1) Set "VIDEO STATUS" to STANDARD.
(2) Set "ASPECT" to FULL.
(3) Select "COLOR TEMPERATURE" to LOW.
(4) Set SPLIT screen mode.
(5) Input NTSC 100% white signal to both right and left
screen.
(6) Select "1. PICTURE/SOUND" from the SERVICE
MODE for the right screen.
(7) Set < S13 > (R DRIVE), < S15 > (G DRIVE) and
< S17 > (B DRIVE) to "255".
(8) Set < S19 > (R CUTOFF), < S21 > (G CUTOFF) and
< S23 > (B CUTOFF) to "128".
(9) Set < F44 > (Picture control) to "001" and < F45 >
(Picture control mode sw) to "000" to set Y ADJUST
MAX mode.
(10) 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.
(11) Press the [MUTING] key to memorize the set
values.
(12) Select "8. PP" from the SERVICE MODE.
(13) Adjust < ADM010 > (G offset) so that upper right
part of the screen is the brightest. (Fig.8 )
(14) Press the [MUTING] key to memorize the set
values.
(15) Check the black level adjusted in BLACK LEVEL
adjustment. Adjust the black level again if it is not
proper.
(16) Select "1.PICTURE/SOUND" from the SERVICE
MODE.
(17) Set < F44 > (Picture control) to "000" to set Y
ADJUST MAX MODE.
(18) Press the [MUTING] key to memorize the set
values.
Fig.8
Item
Mesuring
instrument
Test point
Adjustment part
Description
090
Output level upon detection
168
Minimum value upon detection
168
Maximum value upon detection
Item No.
Adjustment item
F46
F47
F48
Setting value
SPLIT screen Mode
Adjust the upper half of the right screen to the brightest.