JVC AVN21204/SA Repair Manual

AV-N21204
3.5.3 BASIC OPERATION IN SERVICE MENU
(1) HOW TO ENTER THE SERVICE MENU
Press the [SLEEP TIMER] key and set the SLEEP TIMER for
SERVICE MENU
?0 MIN?.
PICTURESOUND
Then press the [DISPLAY] key and [VIDEO STATUS] key of
GAME
the remote control unit at the same time to enter the SERVICELOW LIGHTHIGH LIGHT
MENU screen. The SERVICE MENU screen will be shown.RF AFC CHK
VCO(CW)
SELECT BYEXIT BY
OPERATE BYEXIT
(2) SUB MENU SCREEN SELECTION
Press [CH (-/+)] keys of the REMOTE CONTROL UNIT, and
select the sub menu screen from SERVICE MENU.[1]
Setting for 0 min
In SERVICE MENU, press the [CH (-/+)] keys to select any of
VIDEOVIDEOSLEEPSLEEP
the sub menu items. The letters of the selected items areSTATUSSTATUSTIMERTIMERPOWERPOW ER[2]
displayed in yellow.Simultaneously push
DISPLAYDISPLAYINPUTINPUT
PICTURESOUND
123
GAME
LOW LIGHTHIGH LIGHT
456
RF AFC CHK
VCO(CW)789
100+100+0RETURN+RETURN+
MUTINGMUTINGV? CHIPCHIP
[3]+
Select the itemCH
[4]
Go into the item
VOLVOL
+
CH
Exit from
SERVICE MENU
MENUMENUEXITEXIT
(3) SETTING METHOD
[PICTURE AND SOUND ADJUSTMENT MODE]
(1) If select any of PICTURE or SOUND items, and the [VOL (-/+)] keys is pressed from SERVICE MENU. The screen [2] will be
displayed as shown in figure page later.
(2) Then [CH (-/+)] keys is pressed, the PICTURE mode screen [3] or the SOUND mode screen [4] will be displayed.
(3) Press the [CH (-/+)] keys to select the one of adjustment mode from 1. BRIGHT to 20. OSC SEL,
or from 1. IN LEVEL to 10. FIL OFF.
(4) Press the [VOL (-/+)] keys to change the adjustment value. The setting value will be stored automatically when release the
REMOTE CONTROL UNIT keys.
It can adjust the items PICTURE and SOUND in the same procedure.
[GAME, LOW LIGHT AND HIGH LIGHT ADJUSTMENT MODE]
If select any of GAME, LOW LIGHT and HIGH LIGHT items, and the [VOL (-/+)] keys is pressed from SERVICE MENU. The
screens [5], [6] or [7] will be displayed as shown in figure page later. Since the key operation in this mode is peculiar, please refer
to the clause of the ?ADJUSTMENTS PROCEDURE?.
[RF AFC CHK ADJUSTMENT MODE]
This is no requirement for adjustment this mode. Don?t change these values.
[VCO(CW) ADJUSTMENT MODE]
Since the key operation and screen in this mode is peculiar, please refer to the clause of the ?ADJUSTMENTS PROCEDURE?.
(4) RELEASE OF SERVICE MENU
When adjustment is completed, press the [EXIT] key twice. Then return to the normal screen.
1-14 (No.52128)