JVC AV-29WX14/G Service Manual page 22

Measuring
Item
instrument
SUB Signal
COLOUR 2 generator
adjustment
Oscilloscope
Remote
control unit
C
W
Y
SUB TINT 1 Signal
generator
adjustment
Remote
control unit
1-22 (No. YA104)
Test point Adjustment part
TP-47G [2. V/C]
TP-E 6. COLOUR
[CRT
SOCKET
PWB]
B
M
R
(A)
(–)
0V
(+)
G
[2. V/C]
7. TINT
Description
[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".
- PAL COLOUR -
(1) Receive a PAL colour bar signal (full field colour bar 75%
white).
(2) Select 2. V/C from the SERVICE MENU.
(3) Select 6. COLOUR.
(4) Set the initial setting value of PAL COLOUR.
(5) Connect the oscilloscope between TP-47G and TP-E.
(6) Adjust PAL COLOUR to set the value (A) in the figure to
+18V [AV-29WX14/G, AV-29WX14/S, AV-29WX24/L] or
+16V [AV-2954W/E].
- SECAM COLOUR -
(1) Receive a SECAM colour bar signal (colour bar 75%
white).
(2) Press the [COLOUR SYSTEM] key to select the SECAM
colour system.
(3) Set the initial setting value of SECAM COLOUR.
(4) Adjust SECAM COLOUR to set the value (A) in the figure
to +7V [AV-29WX14/G, AV-29WX14/S, AV-29WX24/L] or
+2V [AV-2954W/E].
- NTSC 3.58 COLOUR -
(1) Receive a NTSC 3.58 colour bar signal (full field colour
bar 75% white).
(2) Press the [COLOUR SYSTEM] key to select the NTSC
3.58 colour system.
(3) Set the initial setting value of NTSC 3.58 COLOUR.
(4) Adjust NTSC 3.58 COLOUR to set the value (A) in the
figure to +8V [AV-29WX14/G, AV-29WX14/S, AV-29WX24/
L] or +15V [AV-2954W/E].
- NTSC 4.43 COLOUR -
When adjustment is done for NTSC 3.58 COLOUR,
appropriate values are automatically set for NTSC 4.43
COLOUR.
[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 colour bar signal (full field colour
bar 75% white).
(2) Press the [COLOUR SYSTEM] key to select the NTSC
3.58 colour system.
(3) Select 2. V/C from the SERVICE MENU.
(4) Select 7. 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.