Firmware Renewal Mode - Magnavox 20MC4304/17 Service Manual

1. Turn the power on and press [SELECT] button on
the remote control unit to put the TV/DVD/VCR
into DVD mode. Then remove the disc on the tray.
(It is possible to move to F/W version up mode
only when the TV/DVD/VCR is in DVD mode with
the tray open.)
2. To put the TV/DVD/VCR into F/W version up
mode, press [9], [8], [7], [6], and [SEARCH MODE]
buttons on the remote control unit in that order.
Fig. a appears on the screen.
" ******* " differ depending on the models.
F/W Version Up Mode
Please insert a DISC
for F/W Version Up.
Fig. a Version Up Mode Screen
The TV/DVD/VCR can also enter the version up
mode with the tray open. In this case, Fig. a will be
shown on the screen while the tray is open.
3. Load the disc for version up.
4. The TV/DVD/VCR enters the F/W version up
mode automatically. Fig. b appears on the screen.
If you enter the F/W for different models, "Disc
Error" will appear on the screen, then the tray will
open automatically.
" ******* " differ depending on the models.
F/W Version Up Mode
VERSION :
Reading...
(*1)
Fig. b Programming Mode Screen
The appearance shown in (*1) of Fig. b is
described as follows:
No. Appearance
1 Reading... Sending files into the memory
2 Erasing... Erasing previous version data
3 Programming... Writing new version data
5. After programming is finished, the tray opens
automatically. Fig. c appears on the screen and
the checksum will be shown in (*2) of Fig. c.

FIRMWARE RENEWAL MODE

Model No : *******
VERSION : *.**
EXIT: SELECT
Model No : *******
VERSION : *.**
************.ab6
State
F/W Version Up Mode
VERSION :
Completed
SUM : 7ABC
(*2)
Fig. c Completed Program Mode Screen
At this time, no button is available.
6. Remove the disc on the tray.
7. Press [SELECT] button on the remote control unit
to go to TV mode, or press [STANDBY-ON] button
on the unit to turn the power off.
8. Press [SELECT] button on the remote control unit
to put the TV/DVD/VCR into DVD mode again.
9. Press [1], [2], [3], [4], and [DISPLAY] buttons on
the remote control unit in that order.
Fig. d appears on the screen.
MODEL : *******
Version : *.**
Region : *
EEPROM CLEAR : CLEAR
10. Press [CLEAR] button on the remote control unit.
Fig. e appears on the screen.
MODEL : *******
Version : *.**
Region : *
EEPROM CLEAR : OK
EEPROM CLEAR : CLEAR
When "OK" appears on the screen, the factory
default will be set. Then the firmware renewal
mode is complete.
11. To exit this mode, press [CH. o / p] or [SELECT]
button to go to TV mode, or press [STANDBY-ON]
button to turn the power off.
1-9-1
" ******* " differ depending on the models.
Model No : *******
VERSION : *.**
************.ab6
" ******* " differ depending on the models.
EXIT: SELECT
Fig. d
" ******* " differ depending on the models.
EXIT: SELECT
Fig. e
T1102FW