1-50 (No.52169)
NTSC
BRIGHTNESS
Remote control
unit
Signal generator
[2. YC SEP]
YCM131: (NO DISPLAY)
(BRIGHTNESS)
[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-black signal.
(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 < 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 DJUST
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 "2. YC SEP" from the SERVICE MODE.
(12) Adjust < YCM131 > (BRIGHTNESS) to set the lower
half of the screen to the same black color as in the
upper part. (Fig.5)
(13) Press the [MUTING] key to memorize the set
values.
(14) Select "1.PICTURE/SOUND" from the SERVICE
MODE.
(15) Set < F44 > (Picture control) to "000" to cancel Y
ADJUST MAX MODE.
(16) Press the [MUTING] key to memorize the set
values.
Fig.5
Item
Mesuring
instrument
Test point
Adjustment part
Description
090
Output level upon detection
016
Minimum value upon detection
016
Maximum value upon detection
Item No.
Adjustment item
F46
F47
F48
Setting value
Set this part to the same black color as in the upper part.
