JVC AV-20NX3 Service Manual page 20

AV-20NX3
Measuring
Item
instrument
Signal
Adjustment
of WHITE generator
BALANCE
Remote
(High light)
control
unit
REMOTE CONTROL UNIT
1
4
R. DRIVE ( 8 )
7
R. DRIVE ( 9 )
Remote
Adjustment
of control unit
SUB BRIGHT
Remote
Adjustment
of control unit
SUB
CONTRAST
20
Test point Adjustment part
2. DRIVE (R)
DRIVE (G)
DRIVE (B)
V/C PAL
2. DRIVE (R)
**
(G)
**
(B)
**
50 Hz
MENU 89: SELECT
MENU - /+ : OPERATE DISPLAY : EXIT
2 3
G. DRIVE ( 8 )
5 6
B. DRIVE ( 8 )
8 9
B. DRIVE ( 9 )
G.DRIVE ( 9 )
3. BRIGHT
4. CONT
No. 52079
Description
Notes:
• Proceed to the following adjustment after having completed the ad-
justment of LOW LIGHT WHITE BALANCE.
• Set PICTURE MODE (VSM) to "BRIGHT".
1. Receive a PAL black and white signal (colour off).
2. Select 2. VC from the SERVICE MENU.
3. Select 2. DRIVE (R), (G) and (B) with MENU &/^ key, and set
each value to initial setting value with the 4 to 9 keys on the remote
control unit.
4. Use the keys 4 to 9 to produce a white screen.
5. Press the DISPLAY key twice to return to the normal screen.
Setting (Adjustment)
Item
R –32 — +31
2. DRIVE G –32 — +31
B –32 — +31
Notes:
• Proceed to the following adjustment after having completed the ad-
justments of LOW LIGHT WHITE BALANCE and HIGH LIGHT WHITE
BALANCE.
• Set PICTURE MODE (VSM) to "BRIGHT".
1. Receive a broadcast.
2. Select 2. VC from the SERVICE MENU.
3. Select 3. BRIGHT with the MENU &/^ key.
4. Set the initial setting value with the MENU */T key.
5. If the brightness is not best with the initial setting value, make fine
adjustment until you get the best brightness.
6. Press the DISPLAY key twice to return to the normal screen.
Notes:
• Proceed to the following adjustment after having completed the ad-
justment of SUB BRIGHT.
• Set PICTURE MODE (VSM) to "BRIGHT".
1. Receive a broadcast.
2. Select 2. VC from the SERVICE MENU.
3. Select 4. CONT with the MENU &/^ key.
4. Set the initial setting value with the MENU */T key.
5. If the contrast is not best with the initial setting value, make fine
adjustment until you get the best contrast.
6. Press the DISPLAY key twice to return to the normal screen.
Variable Initial setting
range value
0
0
0