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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 PAL full field colour bar signal (75% white).
2. Enter the SERVICE MENU.
3. Select 2. V/C from SERVICE MENU.
4. Select 5. COLOUR with the MENU
▼
/
▲
key.
5. Set the initial setting value of PAL COLOUR with the MENU
- / + key.
6. Connect the oscilloscope between TP-47G and TP-E (#).
7. Adjust PAL COLOUR to bring the value of (A) in the illustration
to the voltage as shown given billow.
(Voltage difference between (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 SECAM COLOUR to bring the value of (A) in the
illustration to the voltage as shown given billow.
(Voltage difference between (W) and (G))
NTSC 3.58 COLOUR
1. Input 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 - / + key.
3. Adjust NTSC 3.58 COLOUR to bring the value of (A) in the
illustration to the voltage as shown given billow.
(Voltage difference between (W) and (G))
Ad justment
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
respective values.
W
Y
C
y
G
M
g
R
B
(
A
)
0V
(－)
(＋)
Model Voltage(W-G)
AV-20N3
AV-20N3
/D
+14V
AV-2 0NMG 3
AV-2 0NMG 3B
AV-2 0NMG 3
/-A
+10V
Model Voltage(W-G)
AV-20N3
AV-20N3
/D
+11V
AV-20NMG3
AV-20NMG3B
AV-20NMG3
/-A
+10V
Model Voltage(W-G)
AV-20N3
AV-20N3
/D
+8V
AV-20NMG3
AV-20NMGB
AV-20NMG3
/-A
+10V