JVC HV-53PRO/K Service Manual page 36

HV-53PRO
■VIDEO / CHROMA CIRCUIT ADJUSTMENT
The setting (adjustment) using the REMOTE CONTROL UNIT is made on the basis of the initial setting values.
The setting values which adjust the screen to the optimum condition can be different from the initial setting values.
Colour system
Setting item
1.RGB BLK
2.WDR R
3.WDR G
4.WDR B
5.BRIGHT
6.CONTRAST
Measuring
Item
instrument
Adjustment Signal
of WHITE generator
BALANCE
(Low-Light)
Adjustment Signal
of WHITE generator
BALANCE
(High-Light) Remote
control unit
"CLOW" status (The 3rd from the right)
Adjustment Signal
of generator
SUB BRIGHT
Remote
control unit
36
Initial setting value
NTSC
PAL SECAM
+010
+018
+010
+030
-060
Test point Adjustment part
R screen VR
G screen VR
B screen VR
2.WDR R
4.WDR B
5.BRIGHT
No. 51984
Colour system
Setting item
7.COLOUR
8.TINT
9.SHARP
10.VCO ADJUSTMENT
11.VID AGC
12.SYC SLI
1. Receive a whole black signal.
2. By turning the screen VR for RED and BLUE, make a single
coloured screen of GREEN.
3. By turning the screen VR for GREEN, adjust the screen so that
the entire screen does not shine.
4. By turning the screen VR for RED and BLUE, adjust the white
balance at low light.
Set the PICTURE MODE to MID.
1. Receive a black and white signal (colour off).
2. Select 2. V / C from the SERVICE MENU.
3. Modify 2. WDR R and 4.WDR B data to adjust the white
balance ( high light ).
4. Make sure that "CLOW" status is "0".
5. Press the MENU / OK key and memorize the set value.
6. If the "CLOW" status is shown as "1", carry out the adjustment
again from the ADJUSTMENT LOW LIGHT.
7. Change the contrast and brightness with the remote control up
& down from low–light to high–light and check that the tracking
of the white balance is good.
1. Receive any broadcast.
2. Select 2.V / C from the SERVICE MENU.
3. Select 5.BRIGHT with the function UP / DOWN( ▲ / ▼ ) key.
4. Set the initial setting value with the function LEFT / RIGHT
( / ) key.
5. If the brightness is not the best with the initial setting value,
make fine adjustment until you get the best brightness.
6. Press the MENU / OK key and memorize the set value.
marked :Do not adjust
Initial setting value
PAL SECAM NTSC
000 000 000
000
+007
Automatically optimized
after adjustment
000
+007
Description