1-48 (No.52169)
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) Input NTSC all-white signal.
(2) Set "VIDEO STATUS" to STANDARD.
(3) Set "ASPECT" to FULL.
(4) Select "COLOR TEMPERATURE" and set to
"LOW".
(5) Select "1.PICTURE/SOUND" from the SERVICE
MODE.
(6) Set < S13 > (R DRIVE), < S15 > (G DRIVE) and
< S17 > (B DRIVE) to "255".
(7) Set < S19 > (R CUTOFF), < S21 > (G CUTOFF) and
< S23 > (B CUTOFF) to "128".
(8) Set < F44 > (Picture control) to "001" and < F45 >
(Picture control mode sw) to "000" to Set Y ADJUST
MAX MODE.
(9) 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.
(10) Press the [MUTING] key to memorize the set
values.
(11) Select "8.PP" from the SERVICE MODE.
(12) Adjust < ADM010 > (G GAIN) to set the window
screen on the upper half of the screen to maximum
brightness. (Fig.3)
(13) Press the [MUTING] key to memorize the set
values.
(14) Check the black level. Perform the "BLACK LEVEL
Adjustment" again if the adjusted value is out of
alignment.
(15) Select "1.PICTURE/SOUND" from the SERVICE
MODE.
(16) Set < F44 > (Picture control) to "000" to set Y
ADJUST MAX MODE.
(17) Press the [MUTING] key to memorize the set
values.
Fig.3
Item
Mesuring
instrument
Test point
Adjustment part
Description
090
Output level upon detection
220
Minimum value upon detection
220
Maximum value upon detection
Item No.
Adjustment item
F46
F47
F48
Setting value
Reduce black noise at this portion to the minimum