AV-20N8
No. 56030
19
Measuring
Item
Test point
Adjustment part
instrument
Adjustment
Remote
6. TINT
of
control unit
SUB TINT-
I
NTSC 3.58 TINT
Adjustment
●
Signal
TP-47G
6. TINT
of
generator
TP-E (
"
"
"
"
"
)
SUB TINT-
II
[CRT
●
Oscillo-
SOCKET
scope
PWB]
NTSC 3.58 TINT
●
Remote
control
unit
Description
[Method of adjustment without measuring instrument]
(NTSC 3.58 TINT)
1.
Receive a NTSC 3.58 colour bar signal (full field colour bar
75% white).
2.
Select 2. V/C from the SERVICE MENU.
3.
Select 6. TINT with the MENU
a
key.
4.
Set the initial setting value of NTSC 3.58 with the MENU
−
or
+
key.
5.
If you cannot get the best tint with the initial setting value,
make fine adjustment until you get the best tint.
6.
Press the DISPLAY key twice to return to the normal screen.
(NTSC 4.43 COLOUR)
When adjustment is done for NTSC 3.58 TINT, appropriate val-
ues are automatically set for NTSC 4.43 TINT.
[Method of adjustment using measuring instrument]
(NTSC 3.58 TINT)
1.
Receive a NTSC 3.58 colour bar signal (full field colour bar
75% white).
2.
Select 2. V/C from the SERVICE MENU.
3.
Select 6. TINT with the MENU
a
key.
4.
Set the initial setting value of NTSC 3.58 with the MENU
−
or
+
key.
5.
Connect the oscilloscope between TP-47G and TP-E.
6.
Adjust NTSC 3.58 TINT to set the value (B) in the figure to
+6V (W & Cy).
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 val-
ues are automatically set for NTSC 4.43 TINT.
Mg
B
(
−
)
0V
(
+
)
R
Cy
Y
W
(B)
G
