JVC Model 200 User Manual

Page 95

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Chapter 3 Service Adjustments

11C. During upload, a progress indicator updates the number

of records received. At the completion of the upload, the
system will display the following (numerical values are for
example only and depend on the Boot Manager version):

S-Records processed: 823

Upload

Successful

Address Range: 0x00000000-0x00006687

Bytes Loaded: 26248

***WARNING: FLASH WILL NOW BE UPDATED***

Press Enter to continue, Esc to abort.

11D. The system has verified that the load module is correct

and is ready to update the Flash. Press Enter to perform
the update (press Esc now to abort the update with no
changes). While the Flash memory is being updated (15-
30 seconds), DO NOT turn off the projector circuit breaker
or the machine could be made unbootable, requiring a
new set of flash chips to be installed. When the update is
complete, the system will display the following:

Reprogramming Flash Sector 0 1

Boot Manager software update successful

Command:

_

The Boot software has been successfully updated. To restart
the projector under control of the updated boot manager, enter
the "reboot" command while depressing the service mode
switch (Figure 5-1). The projector will now restart with the
updated boot manager software. You should see the following
displayed (where y.y.0 is the updated Boot Manager's version.

Boot Manager Ver y.y.0 (Service Mode

Startup)

Copyright (c) 1994-1996 Hughes-JVC

Technology

Command:

_

12. To update the System Software from the Boot Manager prompt:

12A. Type in the command “loadsys” at the prompt. The

following should be displayed:

Command:

loadsys

System software update procedure

***WARNING: IMPROPER USE MAY MAKE THIS

SYSTEM UNBOOTABLE*** (NOTE: This warning

relates to the Flash Memory updating that

occurs in Step 12D below. Do not turn

projector power off while the Flash Memory

is updating.)

Memory buffer reset to Oxff

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Model 200 Service Manual

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