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JVC PD-42DX Service Manual page 42

Pdp colour television
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PD-42DX
Measuring
Item
instrument
PAL/SECAM/
Remote control
NTSC SUB
unit
COLOUR
Signal generator
Set the red colour of the colour bar to be the deepest.
W
Y
Set the red colour of the colour bar to be the deepest.
W
Y
1-42 (No.52088)
Test point
CY
G
MG
R
B
Fig.4
CY
G
MG
R
B
Fig.5
Adjustment part
[2.V/C]
- PAL COLOUR -
13. COLOUR
(1) Receive a PAL colour bar signal (full field colour
(Colour)
bar).
(2) Select "2. V/C" from the SERVICE MENU.
(3) Adjust <13. COLOUR> (Colour) to set the red colour
of the colour bar signal to be the reddest. (See
Fig.4)
If noise is not completely deleted, adjust <13.
COLOUR> so that the red colour has the minimum
noise.
NOTE:
If you select an adjustment item <13. COLOUR>,
then the screen turns to an adjustment screen
shown in Fig.4.
(4) Press the [OK] key to save the value.
(5) Press the [INFORMATION] key twice to the normal
screen.
- SECAM COLOUR -
(6) Receive a SECAM colour bar signal (half colour
bar).
(7) Select "2. V/C" from the SERVICE MENU.
(8) Make similar adjustment of SECAM COLOUR in the
same way as for "PAL COLOUR". (See Fig.5)
- NTSC COLOUR -
(9) Input a NTSC 3.58 colour bar signal (full field colour
bar 75% white).
(10) Select "2. V/C" from the SERVICE MENU.
(11) Make similar adjustment of NTSC COLOUR in the
same way as for "PAL COLOUR". (See Fig.4)
(12) Input NTSC 4.43 colour bar signal (full field colour
bar 75% white), and then check the red colour of the
colour bar signal and confirm that there is no noise
or the minimum noise.
BL
Description

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