JVC AV-21MXP6/V, AV-25MXP6/V Service Mode Items, Setting Method, Memorize the Adjustment Data

4.7BASIC OPERATION OF SERVICE MODE

4.7.1 TOOL OF SERVICE MODE OPERATION

Operate the SERVICE MODE with the REMOTE CONTROL UNIT.

4.7.2 SERVICE MODE ITEMS

With the SERVICE MODE, various adjustments can be made, and they are broadly classified in the following items of settings.

1.IF	This mode adjusts the setting values of the IF circuit.
2. V/C	This mode adjusts the setting values of the VIDEO circuit.
3.AUDIO	This mode adjusts the setting values of the multiplicity AUDIO circuit. [Do not adjust]
4. DEF	This mode adjusts the setting values of the DEFLECTION circuit for each aspect mode given below.
5.VSM PRESET	This mode adjusts the initial setting values of BRIGHT, STANDARD and SOFT. (VSM : Video Status Memory)
6.STATUS	It is no requirement to adjustment. [Do not adjust]
7.PLUG & PLAY (ON)	This mode adjusts the setting values of the PIP circuit. [Do not adjust]

4.7.3 BASIC OPERATION IN SERVICE MODE

4.7.3.1HOW TO ENTER THE SERVICE MODE

(1)Press the [DISPLAY] key and the [PICTURE MODE] key simultaneously, then enter the SERVICE MODE.

(2)When the main menu is displayed, press any key of the [7] to [9] key to enter the corresponding sub menu mode.

SERVICE MENU

SERVICE MENU

1. IF	2. V/C
3. AUDIO	4. DEF
5. VSM W/B	6. S TATUS
7. PLUG & PLAY (ON)
1-7 : SELECT	DISPLAY : EXIT

******* **** ***** *****

******** *** ***

Fig.1

SERVICE MODE SELECT KEY

DISPLAY key	EXIT	MENU	key
MENU key		MENU	key
OK key		MENU	key
PICTURE MODE
key

Fig.2

4.7.3.2SETTING METHOD

„1.IF

[1. VCO] : It must not adjust without signal

(1)[1] key Select 1.IF.

(2)[1] key

Select 1.VCO(CW).

Check the arrow position between the ABOVE REF. and

BELOW REF.

(3)[DISPLAY] key

Return to the SERVICE MODE main manu screen.

„2. V/C, 4. DEF

(1)[2], [4] key

Select one from 2. V/C, 4. DEF.

(2)[MENU / ] key Select setting items.

(3)[MENU / ] key

Set the setting values of the setting items.

„5.VSM W/B

(1)[5] key

Select 5.VSM W/B.

(2)[OK] key

Select setting items.

(3)[MENU / ] key

Set the setting values of the setting items.

4.7.3.3MEMORIZE THE ADJUSTMENT DATA

When Mnt is completed, press the [OK] key to memorize the adjustment value. If not to do so, the data is not memorized to the memory IC. And if exit the adjustment mode before to memorize the data, the adjustment value which you have changed will be canceled.

4.7.3.4RELEASE OF SERVICE MODE

After completing the setting, return to the SERVICE MODE, then again press the [DISPLAY] key.

(No.YA476)1-19