JVC LT-Z32S2, Service Manual, Page: 41 / 47

1-40 (No.YA020)
PAL/SECAM/
NTSC
SUB COLOUR Remote control
unit
Signal generator
[2.V/C]
13. COLOUR
(Colour) - PAL COLOUR -
(1) Receive a PAL colour bar signal (full field 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.5)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.5.
(4) Press the [OK] key to memorize the set value.
(5) Press the [INFORMATION] key twice to the normal
screen.
- SECAM COLOUR -
(1) Receive a SECAM colour bar signal (half colour
bar).
(2) Select "2. V/C" from the SERVICE MENU.
(3) Make similar adjustment of SECAM COLOUR in the
same way as for "PAL COLOUR". (See Fig.6)
- NTSC COLOUR -
(1) Input a NTSC 3.58 composite colour bar signal (full
field colour bar 75% white).
(2) Select "2. V/C” from the SERVICE MENU.
(3) Make similar adjustment of NTSC COLOUR in the
same way as for "PAL COLOUR". (See Fig.5)
(4) Input a NTSC 4.43 composite 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.
Fig.5
Fig.6
SUB-SCREEN
BRIGHTNESS Remote control
unit
Signal generator
[2. V/C]
11. TWN BRG
(Sub-screen
bright) (1) Receive a PAL black and white pattern signal
(including 0% black signal).
(2) Select "2. V/C" from the SERVICE MENU.
(3) Adjust < 11. TWN BRG > (Sub-screen bright) to set
the 0% black part in the sub (right) screen to be the
brightest.
NOTE:
If you select an adjustment item < 11.TWN BRG >,
then the screen automatically turns to twin pictures
mode.
(4) Press the [OK] key to memorize the set value.
Fig.7
Item
Measuring
instrument
Test point Adjustment part Description
W Y C G M R B
Set the red colour of the colour bar to be the deepest.
B/W
(Except red)
COLOUR
W Y C G M R B BL
Set the red colour of the colour bar to be the deepest.
B/W
(Except red)
COLOUR
Black and white
pattern signal
Black and white
pattern signal
0% black part
<NG>
Black and white
pattern signal
Set the 0% black part
to be brightest.
<OK>
Black and white
pattern signal