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4.8
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.
4.8.1 Distribution method
(1) Compressed file is distributed through JS-NET.
(2) Download the version of the destination of the model, and self-extract the file.
(3) "bank30.rom" file is made.
(4) Write "bank30.rom" file in the root of CD-R/RW. (Folders such as jvc_dvd are not necessary.)
4.8.2 UPGRADE method
(1) Prepare UPGRADE disc with "bank30.rom" file written in its root.
(2) While keeping the main body in POWER ON mode, insert the disc.
(3) Disc starts to be played automatically, and UPGRADE will proceed, according to the following indication.
TV screen "NOW READING" → "READING" in upper left → "WRITE" in upper left
FL indicator "READING" → "READING" → "READING"
(4) When UPGRADE finishes, the main body changes from the POWER ON mode to STANDBY mode.
(5) Press the OPEN/CLOSE button, and open the tray to eject the disc.
(6) Set the main body at test mode, and perform initialization. Then, confirm the version of the firmware.
Time necessary for UPGRADE Approx. 3 minutes
NOTE:
After UPGRADE finishes, disc automatically starts to be played and UPGRADE starts again if the main body in the STANDBY mode
is turned on. So, be sure to press the OPEN/CLOSE button in the STANDBY mode without pressing the POWER button, and eject
the tray.
NOTE:
The screen is displayed in blue when the disc is ejected.
After that, if the main body in POWER-OFF mode is turned on, the screen returns to a normal screen.
4.8.3 When UPGRADE is not performed properly
Keys entries are not accepted during UPGRADE, but UPGRADE stops when AC plug is pulled out.
Data in Flash-ROM are collapsed, but the main body can be turned on thanks to Fail Safe function. The main body returns to the nor-
mal state after UPGRADE disc is read again.
• When UPGRADE stops because AC plug is pulled out mistakenly.
(1) When the AC plug is put into a wall socket, the main body is automatically turned on.
(2) Disc inserted in the tray automatically starts to be played, and UPGRADE starts.
TV screen remains black (No output).
FL indication "LOAD" → "READ" → "WRITE"
(3) When UPGRADE finishes, the main body changes from the POWER ON mode to STANDBY mode.
(4) Press the OPEN/CLOSE button without pressing the POWER button. Open the tray and eject the disc.
TV
DVD
STANDBY/ON
OPEN/
DVD/
TV
DVD
CLOSE
CARD
TV1
TV2
TV3
1
2
3
TV4
TV5
TV6
4
5
6
TV7
TV8
TV9
7
8
9
TV-/--
TV0
MUTING
10
0
+10
THUMBNAIL
TITLE/
TV/VIDEO
RETURN
GROUP
CANCEL
/LIST
CH
+
VOL
VOL+
ENTER
CH
PREVIOUS
NEXT
CLEAR
SELECT
SLOW-
SLOW+
SOUND
EFFECT
ZOOM
VFP
PROGRESSIVE
SCAN
ANGLE
SUB TITLE
AUDIO
AMP
SLIDE
REPEAT
EFFECT
DIMMER
VOL
1-20 (No.XA004)
FL Display
POWER key
Standby indicator
STOP key
(for test mode)
(for test mode)
FORWARD SKIP key
OPEN/CLOSE key
(for initialize)
PLAY key
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