1-12 (No.YA080)
4.5
BASIC OPERATION OF SERVICE MODE
4.5.1 HOW TO ENTER SERVICE MODE
(1) Press the MENU key.
(2) MENU screen will be displayed (fig.1).
Fig.1
(3) While the MENU screen is displayed , press the [4], [7], [2],
[5] key or [INFORMATION] key and [MUTING] key
simultaneously.
(4) The SERVICE MENU screen will be displayed (fig.2).
Fig.2
4.5.2 SELECTION OF ADJUSTMENT ITEMS
(1) Enter the SERVICE MODE.
(2) Press the [
]/[
] key to select the adjustment item.
(3) Press the [
]/[
] key to set the setting value.
4.5.3 HOW TO EXIT SERVICE MODE
(1) Press the [STANDARD] key.
4.5.4 HOW TO ENTER THE GEOMETRY MENU
• This model is built-in GEOMETRY MENU for geometry
adjustment.
(1) Enter the SERVICE MODE.
(2) Press the [
GREEN
] key, geometry menu appears (Fig. 3).
(3) Press the [
]/[
] key and select the adjustment item.
(4) Press the [
]/[
] key and set the setting value.
Fig.3
MENU
MENU SCREEN
SOUND
PICTURE
FEATURE
INSTALL.
PROGRAM.
ADJUSTMENT ITEM
SETTING VALUE
JVCAK30/37 B20
SERVICE MENU
OSD
IF1
IF2
IF3
IF4
AGC
VLIN
RGBH
VSOF
VPOF
: 1 1 AVL
GEOMETRY
GEOMETRY MENU
VSIZ
VPOS
VSCO
VCCO
HSIZ
HPOS
HPIN
AUTO
ADJUSTMENT ITEM
SETTING VALUE
FUNCTION
Key
AV Key
INFORMATION
Key
NUMBER Key
STANDARD
Key
COLOUR Key
MENU Key
REMOTE CONTROL UNIT key NAME
FUNCTION OF COLOUR key
RED key
:
It switches the AVL to ON or OFF mode on service menu.
AVL word is visible on service menu when AVL is on.
GREEN key
:
It switches to GEOMETRY adjust menu. Geometry
of the picture is adjusted in this menu.
YELLOW key
:
It switches to VERTICAL SCAN DISABLE mode.
It is useful to adjust screen voltage.
BLUE key
:
It is used to adjust AGC and IF automatically on service menu.