JVC AV-20N8(BK) Service Manual page 18

AV-20N8
Measuring
Item
instrument
Adjustment Signal
of SUB generator
COLOUR-II
Oscillo-
scope
Remote
control
unit
B
Mg
R
Cy
Y G
W
18
Test point Adjustment part
TP-47G 5. COLOUR
TP-E (" " " " " )
[CRT
SOCKET PAL COLOUR
PWB]
(A)
(−)
0V
(+)
SECAM COLOUR
NTSC 3.58 COLOUR
[Method of adjustment using measuring instrument]
(PAL COLOUR)
1. Receive a PAL full field colour bar signal (75% white).
2. Select 2. V/C from the SERVICE MENU.
3. Select 5. COLOUR with the MENU a key.
4. Set the initial setting value of PAL COLOUR with the MENU
− or + key.
5. Connect the oscilloscope between TP-47G and TP-E.
6. Adjust PAL COLOUR to set the value (A) in the figure to +7V
(W & G).
(SECAM COLOUR)
1. Receive a SECAM full field colour bar signal (75% white).
2. Set the initial setting value of SECAM COLOUR with the MENU
− or + key.
3. Adjust SECAM COLOUR to set the value (A) in the figure to
+7V (W & G).
(NTSC 3.58 COLOUR)
1. Receive a NTSC 3.58 full field colour bar signal (75% white).
2. Set the initial setting value of NTSC 3.58 COLOUR with the
MENU − or + key.
3. Adjust NTSC 3.58 COLOUR to set the value (A) in the figure
to +6V (W & G).
(NTSC 4.43 COLOUR)
When adjustment is done for NTSC 3.58 COLOUR, appropriate
values are automatically set for NTSC 4.43 COLOUR.
No. 56030
Description