JVC PD-42V31BJE Serviceanleitung Seite 48

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
1-48 (No.YA013)
Test point Adjustment part
[2. VC]
16. TWN COL
(Sub-screen
colour)
B W Y C G M R
Fig.11
B W Y CY G M R
Fig12
- SUB-SCREEN PAL COLOUR -
(1) Receive a PAL colour bar signal (full field colour bar).
(2) Select "2. VC" 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 pictures
mode.
B/W
(4) Press the [OK] key to save the value.
(Except red)
(5) Press the [INFORMATION] key twice to the normal
screen.
COLOUR
- SUB-SCREEN SECAM COLOUR -
B
(1) Receive a SECAM colour bar signal (half colour bar).
(2) Select "2. VC" from the SERVICE MENU.
(3) Make similar adjustment of SECAM COLOUR in the
same way as for "SUB-SCREEN PAL COLOUR". (See
Fig.12)
- SUB-SCREEN NTSC COLOUR -
(1) Input a NTSC 3.58 composite colour bar signal (full
field colour bar 75% white).
(2) Select "2. VC" from the SERVICE MENU.
(3) Make similar adjustment of NTSC COLOUR in the
B/W
same way as for "SUB-SCREEN PAL COLOUR". (See
(Except red)
Fig.11)
(4) Input a NTSC 4.43 composite colour bar signal (full
COLOUR
field colour bar 75% white), and then check the red
colour of the colour bar signal and confirm that there
B
is no noise or the minimum noise.
Description