Denon DVM725 Service Manual page 38

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1. Turn the power on and remove the disc on the tray.
2. To put the DVD player into version up mode, press
[9], [8], [7], [6], and [SEARCH MODE] buttons on
the remote control unit in that order. The tray will
open automatically.
Fig. a appears on the screen and Fig. b appears on
the VFD.
F/W Version Up Mode
Please insert a DISC
for F/W Version Up.
Fig. a Version Up Mode Screen
Fig. b VFD in Version Up Mode
The DVD player can also enter the version up
mode with the tray open. In this case, Fig. a will be
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shown on the screen while the tray is open.
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3. Load the disc for version up.
4. The DVD player enters the F/W version up mode
automatically. Fig. c appears on the screen and
Fig. d appears on the VFD.
F/W Version Up Mode
VERSION :
Reading...
(*1)
Fig. c Programming Mode Screen
Fig. d VFD in Programming Mode (Example)
The appearance shown in (*1) of Fig. c is
described as follows:
No. Appearance
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1 Reading...
2 Erasing...
.
3 Programming...
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FIRMWARE RENEWAL MODE
EXIT: POWER
********
EXIT: POWER
State
Sending files into the memory
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Erasing previous version data
i
Writing new version data
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5. After programming is finished, the tray opens auto-
matically. Fig. e appears on the screen and the
checksum in (*2) of Fig. e appears on the VFD.
(Fig. f)
F/W Version Up Mode
VERSION :
Completed
SUM : 7abc
(*2)
Fig. e Completed Program Mode Screen
Fig. f VFD upon Finishing the Programming Mode (Example)
At this time, no buttons is available.
6. Unplug the AC cord from the AC outlet. Then plug it
again.
7. Turn the power on by pressing [POWER] button
and the tray will close.
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8. Press [1], [2], [3], [4], and [DISPLAY] buttons on the
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remote control unit in that order.
Fig. g appears on the screen.
model: ******
1: VFD TEST
2: TT REPEAT PLAY
3: EEPROM CLEAR
4: MEASUREMENT SERVO
5: DISC READ CHECK
6: MECHA CHECK
7: DISC INFO
8: ERROR RATE
RETURN: -----
9. Press [3] button on the remote control unit.
Fig. h appears on the screen.
model: ******
TEST 3: EEPROM CLEAR
EEPROM CLEAR: OK
RETURN: -----
co
10.To exit this mode, press [POWER] button.
.
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DVM725
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********
0 5 8 2 9 9 4 2 8
Ver: **** Region: **
EXIT: POWER
Fig. g
Ver: **** Region: **
m
EXIT: POWER
Fig. h
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