JVC AV-2115EE, Схематические диаграммы

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No. 52027
AV-21Q3
AV-21QMG3
AV-2115EE
23
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.
Do not change the initial setting values of the setting items not listed in “ADJUSTMENT”.
Item
Measuring
instrument
Test point Adjustment part Description
Adjustment
of WHITE
BALANCE
(Low light)
Signal
generator
Remote
control unit
1. CUT OFF (R)
CUT OFF (G)
CUT OFF (B)
SCREEN VR
[IN HVT]
1. Input a black and white signal (colour off).
2. Enter the SERVICE MENU.
3. Select
2. V/C from the SERVICE MENU, then select 1. CUT OFF
(R), (G) and (B) .
4. Set each value to initial setting value with 4
～
9 keys of the
remote control unit.
5. Press the
1
key of the remote control unit to show the single
horizontal line on screen.
6. 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.
7. Use keys
4
～
9
of the remote control unit and adjust the other 2
colours which except the appeared colour to where the single
horizontal line appears white.
8. Turn the SCREEN VR to where the single horizontal line glows
faintly.
9. Press the
2
key to turn off the single horizontal line.
10. Press the DISPLAY key twice to return to the normal screen.
Adjustment
of WHITE
BALANCE
(High light)
Signal
generator
Remote
control unit
2. DRIVE ( R )
DRIVE (B)
1. Input a black and white signal (colour off).
2. Enter the SERVICE MENU.
3. Select
2. V/C from the SERVICE MENU.
4. 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.
5. Use the keys
4
and
7
or
6
and
9
to produce a white screen
6. Press the DISPLAY key twice to return to the nomal screen.
Adjustment item
Variable
range
Initial setting
value
R
-128
～
+127
-50
G
-128
～
+127
-50 1. CUT OFF
B
-128 ～ +127
-50
Adjustment item
Variable
range
Initial setting
value
R
-128 ～ +127
+0
2. DRIVE
B
-128 ～ +127
+0
V/C PAL
1. CUTOFF
- / + : OPERATE DISP : EXIT
(R)
* **
(G)
* **
(B)
* **
50Hz
/ :SELECT
1 2 3
4
5 6
7
8
9
CUTOFF ON
(H.LINE ON)
CUTOFF OFF
(H.LINE OFF)
R. CUTOFF( )
▲
R. DRIVE( )
R. CUTOFF( )
R. DRIVE( )
▼
R G B
G.CUTOFF( )
▲
B. CUTOFF( )
▲
B. DRIVE( )
▲
▲
B. CUTOFF( )
B. DRIVE( )
G.CUTOFF( ) ▼
▲
▲
▲
KEY ASSIGNMENT OF REMOTE CONTROL UNIT
V/C PAL
2. DRIVE
- / + : OPERATE DISP : EXIT
(R)
* **
(B)
* **
50Hz
/ :SELECT