24
No. 52076
AV-20N83
AV-21D83
Item
Measuring
instrument
Test point
Adjustment part
Description
Adjustment
of
SUB TINT-
I
Signal
generator
Remote
control unit
6. TINT
[Method of adjustment without measuring instrument]
Notes:
• Proceed to the following adjustment after having completed the
adjustment of SUB CONT.
• Set PICTURE MODE (VSM) to “BRIGHT”.
– NTSC 3.58 TINT –
1. Receive a NTSC 3.58 colour bar signal (full field colour bar 75%
white).
2. Press the COLOUR SYSTEM button on the remote control unit
to select the NTSC 3.58 colour system.
3. Select
2. VC
from the SERVICE MENU.
4. Select
6. TINT
with the MENU
&
/
^
key.
5. Set the initial setting value of NTSC 3.58 with the MENU
*
/
T
key.
6. If you cannot get the best tint with the initial setting value, make fine
adjustment until you get the best tint.
7. Press the DISPLAY key twice to return to the normal screen.
– NTSC 4.43 TINT –
When adjustment is done for NTSC 3.58 TINT, appropriate values
are automatically set for NTSC 4.43 TINT.
Mg
B
(–)
0V
(+)
R
Cy
Y
W
(B)
G
Adjustment
of
SUB TINT-
II
Signal
generator
Oscilloscope
Remote
control unit
6. TINT
[Method of adjustment using measuring instrument]
Notes:
• Proceed to the following adjustment after having completed the
adjustment of SUB CONT.
• Set PICTURE MODE (VSM) to “BRIGHT”.
– NTSC 3.58 TINT –
1. Receive a NTSC 3.58 colour bar signal (full field colour bar 75%
white).
2. Press the COLOUR SYSTEM button on the remote control unit
to select the NTSC 3.58 colour system.
3. Select
2. VC
from the SERVICE MENU.
4. Select
6. TINT
with the MENU
&
/
^
key.
5. Set the initial setting value of NTSC 3.58 with the MENU
*
/
T
key.
6. Connect the oscilloscope between TP-47G and TP-E.
7. Adjust NTSC 3.58 TINT to set the value
(B)
in the figure to voltage as
shown in Table 2.
8. Press the DISPLAY key twice to return to the normal screen.
– NTSC 4.43 TINT –
When adjustment is done for NTSC 3.58 TINT, appropriate values
are automatically set for NTSC 4.43 TINT.
TP-47G
TP-E (
H
)
[MAIN
PWB (CRT
SOCKET)]
Table 2
Model
B
(V
W-Cy
)
AV-20N83
/BK
, AV-20N83
/VT
-6V
AV-21D83
/BK
, AV-21D83
/VT
0V
Содержание AV-20N83/BK
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