Pioneer DVR-543H-S Service Manual page 75

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4 Press and hold a " ESC " button, then press " DISP " button on the remote control unit for servicing.
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5 Confirm a firmware release version.
6 Press " ESC " button on the remote control unit for servicing in order to exit the test mode.
[Tips]
(1) If the power is not correctly turned on or when the power is shut off during downloading, proceed as follows before
performing download again:
• In a case where downloading was incorrectly terminated while "DOWNLOAD-2" was displayed on the FL display:
The SYSCON program will not function correctly.
If the program cannot be downloaded from the disc or through serial communication, replace the MAIN ASSY.
• In a case where downloading was incorrectly terminated while "DOWNLOAD-3" was displayed on the FL display:
The DRIVE program will not function correctly.
If the program cannot be downloaded from the disc or through serial communication, replace the MAIN Assy.
• In a case where downloading was incorrectly terminated while "DOWNLOAD-4" was displayed on the FL display
The program for the tuner microcomputer will not function correctly.
If the program cannot be downloaded from the disc, replace the TUNERCON microcomputer (IC101 : TUJB ASSY).
(2) The setting way to shipping mode (Reference)
At 2 lines of the [Procedures], press "OPEN/CLOSE" button while pressing REC STOP button.
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