JVC AV-14AM Service Manual page 18

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AV-14AM
Measuring
Item
instrument
Signal
Adjustment
generator
of WHITE
BALANCE
Remote
(Low light)
control unit
- / + : OPERATE
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
H.LINE OFF
1
H.LINE ON
4
R. CUTOFF(
)
R. DRIVE(
)
7
R. CUTOFF(
)
R. DRIVE(
)
R
Signal
Adjustment
generator
of WHITE
BALANCE
Remote
(High light)
control unit
V/C
2. DRIVE
50Hz
/
:SELECT
- / + : OPERATE
18
Test point
Adjustment part
1. CUT OFF (R)
CUT OFF (G)
CUT OFF (B)
SCREEN VR
[IN HVT]
V/C
PAL
1. CUTOFF
(R) * **
(G) * **
(B) * **
50Hz
/
:SELECT
DISP : EXIT
2
3
G. CUTOFF(
5
6
B. CUTOFF(
B. DRIVE(
8
9
B. CUTOFF(
B. DRIVE(
G. CUTOFF(
G
B
2. DRIVE (R)
DRIVE (B)
PAL
(R) * **
(B) * **
DISP : EXIT
1. Receive a black and white signal (colour off).
2. From the SERVICE MENU, select 2. V/C to display 1. CUT OFF
(R) , (G) and (B) .
3. Set each value to initial setting value with 4 ~ 9 keys of the
remote control unit.
1
4. Press the
key of the remote control unit to show the single
horizontal line on screen.
5. Turn the SCREEN VR fully counter-clockwise, then slowly turn it
clockwise to where one of a red, blue or green colour is faintly
visible.
4
9
6. Use keys
of the remote control unit and adjust the other 2
colours which except the appeared colour to where the single
horizontal line appears white.
7. Turn the SCREEN VR to where the single horizontal line glows
faintly.
2
8. Press the
key to turn off the single horizontal line.
9. Press the DISPLAY key twice to return to the normal screen.
Adjustment item
1. CUT OFF
)
)
)
)
)
)
1. Receive a black and white signal (colour off).
2. Select 2. V/C from the SERVICE MENU.
3. Select 2. DRIVE (R) / (B) with MENU ▼ / ▲ key, and set each
value to initial setting value with 4 and 7 or 6 and 9 keys of the
remote control unit.
4
4. Use the keys
and
5. Press the DISPLAY key twice to return to the nomal screen.
Adjustment item
2. DRIVE
No. 56091
Description
Variable
Initial setting
range
value
-128 ~ +127
R
-128 ~ +127
G
-128 ~ +127
B
7
6
9
or
and
to produce a white screen
Variable
Initial setting
range
value
-64 ~ +63
R
-64 ~ +63
B
-50
-50
-50
+0
+0

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