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4. How to confirm the version of the firmware
Press the ESC then the CHAP key on the remote control unit for servicing. The version of the firmware is labeled ROM
NUMBER. Check if the version is the latest one.
A
AREA:WYREGION:2
ROM NUMBERYGA6B23A
REG CHK40
SUM CHK02A5
FL VERSION1.16
CHIP VERSION1389FE
B
How to interpret the version code:
Y G A 6 B 2 3 A
Number of releases on the same release date
Release date:
6: Year
B: Month (1-9 [Jan-Sep], A-C [Oct-Dec])
C23: Day
Fixed
5. Troubleshooting
1 If updating of the firmware failed
If the main unit was turned off during updating, it cannot initialize and start up again properly. In such a case, replace the
Dflash ROM on the DVD MT PCB Assy.
2 If updating of the firmware using the disc for updating failed
Y Was the disc for updating recognized properly?
Check if the volume label of the disc is PIONEER.
Y Is playback of a disc other than the disc for updating possible?
If playback of a test CD is also impossible, a reading section, such as PU, may be defective. In such a case, repair the
defective part first.
If playback of a test CD is possible, the disc for updating may be defective. Check for any scratches or foreign matter,
such as fingerprints, on the reading surface.
If no problem is found with the disc, create a new disc for updating again.
E
F
40DV-400V-S
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