No. 52025
A
V-20N3
A
V-20NMG3
A
V-20NMG3B
24
Item Measuring
instrument Test point Adjustment part Description
5. COLOUR [Method of adjustment using measuring instrument]
PAL COLOUR 1. Input a PA L ful l fiel d col our bar signa l (75% whi te).
2. Enter the SER VICE MENU.
3. Select 2. V/C from SERVICE MENU.
4. Select 5. COLOUR with the MENU ▼/▲ key.
5. Set the init ial setting value of PAL COLOUR with th e MENU
- / + key.
6. Con nect the osc ill osc ope be twee n TP-4 7G an d TP- E (#).
7. Adju st PA L C OLOU R to bring the v alue of (A) in the illustration
to the voltage as shown given billow.
(Volt age dif fer ence b etwee n (W) and (G))
SECAM COLOUR 1. Input 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 SEC AM COLOUR to bring the v alue of (A) in the
illust ration t o the vo ltag e as shown giv en bi llow.
(Volta ge difference betwe en (W) and (G))
NTSC 3.58 COLOUR 1. Input a NT SC 3 .58 ful l f ield colo ur b ar si gnal (75% white) .
2. Set the initial setting value of NTSC 3.58 COLOUR with the
MENU - / + key.
3. Adjust NT SC 3.58 COLOU R to bring the v alue of (A) in the
illust ration t o the vo ltag e as shown giv en bi llow.
(Volta ge difference betwe en (W) and (G))
Adju s t men t
of SUB
COLOUR Ⅱ
ⅡⅡ
Ⅱ
Signal
generator
Oscillo-
scope
Remote
control unit
TP-47G/R
TP-E (#
##
#)
[CRT SOCKET
PWB]
NTSC 4.43 COLOUR When NTSC 3.58 is set, NTSC 4.43 will be automatically set at the
respec tive values .
W
Y
C
y
G
M
g
R
B
(
A
)
0V
(－)
(＋)
Model Voltage(W-G)
AV-20N3
AV-20N3/D + 14V
AV-2 0N MG 3
AV-2 0N MG 3B
AV-2 0N MG 3/-A
+10V
Model Voltage(W-G)
AV-20N3
AV-20N3 /D +11V
AV-20NMG 3
AV-20NMG 3B
AV-20NMG 3/-A
+10V
Model Voltage(W-G)
AV-20N3
AV-20N3/D +8V
AV-20NMG 3
AV-20NMG B
AV-20NMG 3/-A
+10V