JVC AV20321/S
Manual de Servicio

AV-20320 AV-20321

ADJUSTMENT OF WHITE BALANCE
Item WHITE BALANCE (Low Light) Adjustment Measuring instruments Signal generator Test point Adjustment part BRIGHT R. CUTOFF G. CUTOFF B. CUTOFF SCREEN VR [In HVT] [LOW LIGHT] MODE
BRIGHT R CUTOFF BRIGHT *** *** *** G CUTOFF B CUTOFF

Description 1. Receive a black-and-white signal.(Color off) 1. Select the LOW LIGHT MODE from the SERVICE MENU. 3. Set the initial setting value of BRIGHT with the LEFT / RIGHT key of the remote control unit. 4. Set the initial setting value of R CUTOFF, G CUTOFF and B CUTOFF with the unit. to key of the remote control key of the

5. Display a single horizontal line by pressing the remote control unit. 6. Turn the screen VR all the way to the left.

7. Turn the screen VR gradually to the right from the left until either one of the red, blue or green colors appears faintly. 8. Adjust the two colors which did not appear until the single horizontal line that is displayed becomes white using the to keys of the remote control unit. 9. Turn the screen VR to where the single horizontal line glows faintly. 10. Press the key to return to the regular screen.

*** EXIT BY

BRIGHT

EXIT

The
REMOTE CONTROL UNIT
H.LINE ON H.LINE OFF EXIT

EXIT key is the cancel key for the WHITE

BALANCE.

2
R CUTOFF G CUTOFF

3
B CUTOFF

4
R CUTOFF

5
G CUTOFF

6
B CUTOFF

7

8

9

WHITE BALANCE (High Light) Adjustment

Signal generator

G. DRIVE B. DRIVE

1. Receive a black-and-white signal. (Color off) 2. Select the HIGH LIGHT MODE in the SERVICE MENU. 3. Set the initial setting value of G DRIVE and B DRIVE with the , , and keys of the remote control unit. 4. Adjust the screen until it becomes white using the and keys of the remote control unit. , ,

[HIGH LIGHT] MODE

G DRIVE

B DRIVE

The

(EXIT) key is the cancel key for the WHITE Remote Control Unit

BALANCE. key : H.LINE ON key : H.LINE OFF key : EXIT key : G DRIVE key : B DRIVE key : G DRIVE key : B DRIVE

HIGH LIGHT ***

*** EXIT BY
EXIT

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