JVC XV-N50BK Service Manual page 19

3.8 Upgrading of firmware
The latest firmware for upgrading is updated in "Optical disc CSG" page in JS-net.
At the time of service, compare the version of the product and the latest version, and upgrade the old version into the latest version.
(1) Press "POWER" key of the main body to turn the main body on
(2) Insert the upgrade disc.
(3) When FL display of the main body changes from "READ" to "UP", press "cursor UP" key ( ) of the remote controller.
(4) The entire screen becomes blue, and upgrading starts.
(5) The tray opens automatically. Remove the upgrade disc.
(6) The screen returns to the normal screen. Then, press "POWER" key of the main body. When the stand-by indicator is lighted,
upgrading is completed.
(7) Set the main body at test mode, and perform initialization. Then, confirm the version of the firmware.
Firmware upgrade Disc ... press UP
After inserting the up-grade disc
TV DVD
UP key
STANDBY/ON
OPEN/
CLOSE TV DVD
(for firmware upgrade)
TV1 TV2 TV3
1 2 3
TV4 TV5 TV6
4 5 6
TV7 TV8 TV9
7 8 9
TV-/-- TV0 MUTING
10 0 +10
TITLE/ TV/VIDEO
RETURN GROUP CANCEL
CH
+
VOL VOL+ CHOICE key
ENTER
(switch of mode)
CH
PREVIOUS NEXT
CLEAR SELECT
SLOW- SLOW+
3D
PHONIC ZOOM VFP
PROGRESSIVE
SCAN
ANGLE SUB TITLE AUDIO
AMP
REPEAT DIMMER VOL
Upgrade application initializing...
While upgrading (blue screen)
POWER key FL Display
When up-grade is completed
STOP key
(for test mode)
OPEN/CLOSE key
Progressive indicator
PAUSE key
(for initialize)
(for initialize)
XV-N50BK,XV-N55SL
NO DISC
PLAY key
(for test mode)
(No.A0041)1-19