JVC AV-14FTG2, Service Manual

Page: 23 / 64

No. 51862
AV-14FTG2
23
Item
Measuring
instrument
Test point Adjustment 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. Select
2. V/C
from SERVICE MENU.
3. Select
6. TINT
with the MENU
▼
/
▲
key.
4. Set the initial setting value of NTSC 3.58 with the MENU
- or + key.
5. If you cannot get the best tint with the initial setting value,
make fine adjustment until you get the best tint.
Adjustment
of TINT
Ⅰ
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. Select 2. V/C from SERVICE MENU.
3. Select 6. TINT with the MENU
▼
/
▲
key.
4. Set the initial setting value of NTSC 3.58 with the MENU
- or + key.
5. Connect the oscilloscope between TP-47R/G and TP-E.
6. Adjust NTSC 3.58 TINT to bring the value of
(B)
in the illustration to
+6V (W&Cy)
Adjustment
of TINT
Ⅱ Ⅱ Ⅱ Ⅱ
Signal
generator
Oscillo-
scope
Remote
control unit
TP-47R/G
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
( － )
( ＋ )