JVC PD-35DX Service Manual page 43

Measuring
Item
instrument
PAL/SECAM/ Remote control
NTSC unit
SUB-SCREEN
COLOUR Signal generator
Set the red colour of the colour bar to be the deepest.
W Y C G M R
Set the red colour of the colour bar to be the deepest.
W Y C G MG R B
Test point Adjustment part
[2. V/C]
16. TWN COL
(Sub-screen
colour)
B W Y C G M R
Fig.11
W Y CY G M R
Fig.12
- SUB-SCREEN PAL COLOUR -
(1) Receive a PAL colour bar signal (full field colour
bar).
(2) Select "2. V/C" from the SERVICE MENU.
(3) Adjust <16. TWN COL> (Sub-screen colour) to set
the red colour of the colour bar signal in the sub
screen to be the reddest. (See Fig.11)
If noise is not completely deleted, adjust <16. TWN
COL> so that the red colour has the minimum noise.
NOTE:
If you select an adjustment item <16.TWN COL>,
then the screen automatically turns to twin
B/W
pictures mode.
(Except red)
(4) Press the [OK] key to save the value.
(5) Press the [INFORMATION] key twice to the normal
COLOUR
screen.
B
- SUB-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 "SUB-SCREEN PAL COLOUR".
(See Fig.12)
- SUB-SCREEN NTSC COLOUR -
(9) Input a NTSC 3.58 composite colour bar signal (full
field colour bar 75% white).
B/W
(10) Select "2. V/C" from the SERVICE MENU.
(Except red)
(11) Make similar adjustment of NTSC COLOUR in the
same way as for "SUB-SCREEN PAL COLOUR".
(See Fig.11)
COLOUR
(12) Input a NTSC 4.43 composite colour bar signal (full
B 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.
Description
(No.52089)1-43
PD-35DX