JVC AV-20NMG3 EN - Manual (Page 25)

No. 52025
AV-20N3
AV-20NMG3
AV-20NMG3B
25
Item
Measuring
instrument
Test point Ad justment part Description
6. TINT [Method of adjustment without measuring instrument]
NTSC 3.58 TINT 1. Input a NTSC 3.58 full field colour bar signal (75% white).
2. Enter the SERVICE MENU.
3. Select 2. V/C from SERVICE MENU.
4. Select 6. TINT with the MENU ▼/▲ key.
5. Set the initial setting value of NTSC 3.58 with the MENU - / +
key.
6. If you cannot get the best tint with the initial setting value, make
fine adjustment until you get the best tint.
Ad justment
of TINTⅠ
Ⅰ Ⅰ Ⅰ
Signal
generator
Remote
control unit
NTSC 4.43 TINT When NTSC 3.58 is set, NTSC 4.43 will be automatically set at the
respective values .
6. TINT [Method of adjustment using measuring instrument]
NTSC 3.58 TINT 1. Input a NTSC 3.58 full field colour bar signal (75% white).
2. Enter the SERVICE MENU.
3. Select 2. V/C from SERVICE MENU.
4. Select 6. TINT with the MENU ▼/▲ key.
5. Set the initial setting value of NTSC 3.58 with the MENU - / +
key.
6. Connect the osc illosc ope between TP-47G/R and TP-E.
7. Adjust NTSC 3.58 TINT to bring the value of
(B) in the
illustration to the voltage as shown given billow.
(Voltage differenc e between (W) and (Cy))
Ad justment
of TINTⅡ
Ⅱ Ⅱ Ⅱ
Signal
generator
Oscillo-
scope
Remote
control unit
TP-47G/R
TP-E (#
# # # )
[CRT
SOCKET
PWB]
NTSC 4.43 TINT When NTSC 3.58 is set, NTSC 4.43 will be automatically set at the
respective values .
W
Y
Cy
G
Mg
R
B
(B)
0V
(－)
(＋)
Model Voltage(W- Cy)
AV-20N3
AV-20N3
/D
+9V
AV-20NMG3
AV-20NMG3B
AV-20NMG3
/-A
+9V