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Measuring
Item
instrument
Adjustment
Signal
of
generator
SUB TINT-II
Oscillo-
scope
Remote
control
unit
B
Mg
R
(B)
Cy
G
W
Y
Adjustment
Remote
of BLACK
control unit
OFFSET
(SECAM)
REMOTE CONTROL UNIT
BLACK &
WHITE OFF
1
BLACK &
WHITE ON
4
7
Test point
Adjustment part
TP-47G
6. TINT
TP-E (" " " " " )
[CRT
SOCKET
NTSC 3.58 TINT
PWB]
(−)
0V
(+)
7. SECAM BL
ADJUST
2
3
5
6
8
9
[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
+5V (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.
[Method of adjustment without measuring instrument]
1. Receive a SECAM HALF COLOUR BAR signal (210.25MHz).
2. Select 2. V/C from the SERVICE MENU.
3. Select 7. SECAM BL ADJUST with the MENU a key.
4. Set the initial setting value the MENU - or + key.
5. While alternately pressing keys 1 (Black & White ON) and 2
(Black & White OFF), make sure that there is no colour on the
black & white screen.
6. If the black & white screen is not the best with the initial set-
ting value, make fine adjustment until you get the best black
& white screen.
7. Press the DISPLAY key twice to return to the normal screen.
No. 56055
AV-21PM
Description
19
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