1-26 (No.YA261)
4.8.5 VSM PRESET SETTING
VSM PRESET TABALE
SECAM
BLACK OFFSET
[AV-28T5SP]
Signal
generator
Oscilloscope
Remote
control unit
TP-47B
TP-E
[CRT SOCKET PWB]
[2.V/C]
8. BLACK OFF-
SET
(1) Receive the SECAM full field colour bar signal.
(2) Set the ZOOM mode to FULL.
(3) Set the PICTURE mode to STANDARD.
(4) Select
2. V/C
from the SERVICE MODE.
(5) Set the initial setting value of
< 8.BLACK OFFSET
>
.
(6) Connect the oscilloscope between TP-47B and TP-
E at the CRT SOCKET PWB.
(7) Press
[1]
and
[2]
keys alternately (turn the colour
on and off), check the waveform of difference in the
voltage.
(8) While looking at the waveform, adjust
< 8.BLACK
OFFSET >
to become same level of the signal
voltage of black and white waveform by pressing
[6]
or
[9]
keys of remote control unit.
(9) Press the
[MENU]
key to memorize the set value.
Item
Measuring
instrument
Test point
Adjustment part
Description
It adjusts so that the voltage of B/W and
COLOUR waveform may become the same.
Colour waveform
Black and White waveform
1
2
3
4
5
6
7
8
9
REMOTE CONTROL UNIT KEY
B-Y
B-Y
Colour mode
B/W mode
R-Y
R-Y
Item
Measuring
instrument
Test point
Adjustment part
Description
VSM PRESET
Remote
control unit
[5. VSM PRESET]
1. BRIGHT
2. CONT
3. COLOUR
4. SHARP
5. HUE
1. R DRIVE
2. G DRIVE
3. B DRIVE
(1) Select
5. VSM PRESET
from the SERVICE MODE.
(2) Set the PICTURE MODE to BRIGHT.
(3) Select
< 1. BRIGHT >
.
(4) Set the initial setting value of PICTURE MODE, as
shown in the below table.
(5) Press the
[MENU]
key to memorize the set value.
(6) Select
< 2.CONT >
to
< 5.HUE >
in turn, and set the
values.
(7) Respectively select the "SOFT" and "STANDARD".
Make similar adjustment as same step as above.
(8) Set the COLOUR TEMP to COOL.
(9) Select
< 1.R DRIVE >
.
(10) Set the initial setting value of COLOUR TEMP., as
shown in the below table.
(11) Press the
[MENU]
key to memorize the set value.
(12) Select
< 2.G DRIVE >
and
< 3.B DRIVE >
in turn,
and set values.
(13) Respectively select the "WARM" and "NORMAL".
Make similar adjustment as same step as above.
Item
Variable range
Setting value
PICTURE MODE
COLOUR TEMP.
BRIGHT
STANDARD
SOFT
COOL
NORMAL
WARM
1.BRIGHT
-16 - +16
0
0
0
---
---
---
2.CONT
-16 - +16
+12
+10
+2
---
---
---
3.COLOUR
-16 - +16
+6
0
-2
---
---
---
4.SHARP
-16 - +16
0
0
-2
---
---
---
5.HUE
-16 - +16
0
0
0
---
---
---
1.R DRIVE
-63 - +63
---
---
---
-7
0
+5
2.G DRIVE
-63 - +63
---
---
---
0
0
0
3.B DRIVE
-63 - +63
---
---
---
+7
0
-5
Summary of Contents for AV-28T5BK
Page 52: ......
