JVC AV-21RM4SE Service Manual page 15

BASIC OPERATION SERVICE MENU
■ ■ ■ ■ HOW TO ENTER THE SERVICE MENU
1) Press the MENU key.
2) MENU sc reen of fig.1 will be displayed
MENU SCREEN
MENU
SOUND
PICTURE
FEATURE
INSTALL
PROGRAM
Fig.1
3) While the MENU screen is displayed , press the 4,7,2,5 key or
INFORMATION key and MUT ING key s imultaneously.
4) The SERVICE MENU screen of (Fig.2) will be displayed.
SERVICE MENU
ADJUSTMENT ITEM
■ SELECTION OF ADJUSTMENT ITEMS
1) Enter the SERVICE MENU
2) Press the FUNCTION /
ITEM.
3) Press the FUNCTION /
■ HOW TO EXIT SERVICE MODE
1) Press the ST ANDARD Key on REMOTE CONTROL UNIT.
■ HOW TO ENTER THE GEOMETRY MENU
"
This model is built-in GEOMETRY MENU for geometry
adjustment.
1) Enter the SERVICE MENU
2) Press the GREEN key, geometry menu appears (Fig. 3).
3) Press the FUNCTION /
ITEM.
4) Press the FUNCTION /
GEOMETRY MEN U
GEOMETRY
VSIZ
VPOS
VSCO
VCCO
HSIZ
HPOS
HPIN
ADJUSTMENT ITEM
Fig.3
SETTING VALUE
Fig.2
key and select the ADJUSTMENT
key and s et the SETTING VALUE.
key and select the ADJUSTMENT
key and s et the SETTING VALUE.
023
028
000
008
007
039
015
SETTING VALUE
REMOTE CONTROL UNIT key NAME
NUMBER key
INFORMATION
key
AV key
" FUNCTION OF COLOUR key
RED key :
It switches the AVL to ON or OFF mode on servic e
menu. AVL word is visible on s ervice menu when
AVL is on.
GREEN key :
It s witches to GEOMETRY adjust menu. Geometry
of the picture is adjusted in this menu.
YELLOW key :
It s witches to VERT ICAL SCAN DISABLE mode.
It is us eful to adjust screen voltage.
BL UE key :
It is used to adjust AGC and IF automatically on
service menu.
No. 52056
AV-25BT6ENS
AV-25BT6ENB
STANDARD
key
COLOUR k ey
MENU key
FUNCTION
key
11