JVC AV-21L91-BK Service Manual page 24

AV-21L91
AV-25L91
AV-29L91
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
control unit
of
SUB CONT
24
Test point Adjustment part
2. DRIVE (R)
DRIVE (G)
DRIVE (B)
V/C PAL
1. 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. 51898
Description
Notes:
• Proceed to the following this adjustment after having completed the
adjustment 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 con-
trol 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 –30 — +31
2. DRIVE G –30 — +31
B –30 — +31
Notes:
• Proceed to the following this adjustment after having completed the
adjustments 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 –/+ 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 this adjustment after having completed the
adjustment 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 –/+ 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