Rg b, Video / chroma circuit adjustment – JVC AV-14F3 User Manual

Page 22

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No. 52026

AV-14F3/AV-1435

AV-1435EE/AV-1435TEE

AV-14FMT3/AV-1438

AV-14FMG3/AV-14FMG3B

22

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 no t change the initial setting values of the setting items not listed in “ADJUSTMENT”.

Item

Measuring

instrument

Test point

Ad justment part

Description

Ad justment
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 blac k and white signal (colour off).
2. Enter the SERVICE MENU.
3. Select 2. V/C from the SERVICE MENU, then selec t 1. CUT OFF

(R), (G) and (B) .

4. Set each value to initial s etting 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-cloc kwise, then slowly turn it

clockwis e to where one of a red, blue or green colour is faintly
vis ible.

7. Use keys

4

9

of the remote c ontrol 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 horiz ontal 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.

Ad justment
of WHITE
BALANCE
(High light)

Signal
generator

Remote
control unit

2. DRIVE

(R)

DRIVE (B)

1. Input a blac k 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 s etting 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 produc e a white screen

6. Press the DISPLAY key twice to return to the nomal screen.

Ad justment item

Variable

range

Initial setting

value

R

-128~+127

-50

G

-128~+127

-50

1. CUT OFF

B

-128~+127

-50

Ad justment 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

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