JVC AV-29VT11/P Service Manual page 22

Measuring
Item
instrument
Signal
SUB TINT 1
adjustment generator
Remote
control unit
Signal
SUB TINT 2
adjustment generator
Oscilloscope
Remote
control unit
(B)
W
Y
1-22 (No. 52195)
Test point Adjustment part
[2. VC]
6. TINT
TP-47G [2. VC]
TP-E 6. TINT
[CRT
SOCKET
PWB]
B
M
R
C
(–)
0V
G
(+)
Description
[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.
[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.