JVC AV-29VT11/P, Service Manual

Page: 22 / 66

1-22 (No. 52195)
Item
Measuring
instrument
Test point Adjustment part Description
SUB TINT 1
adjustment Signal
generator
Remote
control unit
[2. VC]
6. TINT [Method of adjustment without measuring instrument]
Notes:
•
Proceed to the following adjustment after having completed
the SUB CONTRAST adjustment.
•
Set PICTURE MODE (VSM) to “BRIGHT”.
- NTSC 3.58 TINT -
(1) Receive a NTSC 3.58 color bar signal (full field color bar
75% white).
(2) Press the [COLOR SYSTEM] key to select the NTSC 3.58
color system.
(3) Select 2. VC from the SERVICE MENU.
(4) Select 6. TINT .
(5) Set the initial setting value of NTSC 3.58.
(6) If you cannot get the best tint with the initial setting value,
make fine adjustment until you get the best tint.
(7) Press the [DISPLAY] key twice to return to the normal
screen.
- NTSC 4.43 TINT -
When adjustment is done for NTSC 3.58 TINT, appropriate
values are automatically set for NTSC 4.43 TINT.
SUB TINT 2
adjustment
Signal
generator
Oscilloscope
Remote
control unit
[2. VC]
6. TINT [Method of adjustment using measuring instrument]
Notes:
•
Proceed to the following adjustment after having completed
the SUB CONTRAST adjustment.
•
Set PICTURE MODE (VSM) to “BRIGHT”.
- NTSC 3.58 TINT -
(1) Receive a NTSC 3.58 color bar signal (full field color bar
75% white).
(2) Press the [COLOR SYSTEM] key to select the NTSC 3.58
color system.
(3) Select 2. VC from the SERVICE MENU.
(4) Select 6. TINT .
(5) Set the initial setting value of NTSC 3.58.
(6) Connect the oscilloscope between TP-47G and TP-E.
(7) Adjust NTSC 3.58 TINT to set the value
(B) in the figure to
+2V [AV-29VT11/P, AV-29VT31/P] or +7V [AV-29VT11/T].
(8) Press the [DISPLAY] key twice to return to the normal
screen.
- NTSC 4.43 TINT -
When adjustment is done for NTSC 3.58 TINT, appropriate
values are automatically set for NTSC 4.43 TINT.
TP-47G
TP-E
[CRT
SOCKET
PWB]
M
B
(–)
0V
(+)
R
C
Y
W
(B)
G