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DSR-2000A/2000AP
3-9-2. Version Upgrade using the DJ-497 (In SV CPU)
Setting of DJ-497
Write softwares into PROMs below.
Use the fixture : J-6443-970-A (DJ-497)
ROMs to be used on the fixture DJ-497
SV CPU M27C4001-10F1 (8-759-081-21) or equivalent
As this CPU employ 16 bits data bus, 2 pieces of PROMs are required for one CPU.
Write softwares into PROMs in the 8 bit split mode. A PROM at even address side is for CN102.
A PROM at odd address side is for CN101.
(1) Insert the PROMs, in which softwares are written, into the socket on the fixture DJ-497.
(2) Set bit 1 of S1 on the fixture DJ-497 to OPEN (upper side) and the rest of bits to the board side
(lower side).
(3) Set S3 on the fixture DJ-497 to [ROM] side and S2 on the fixture DJ-497 to [DOWN] side.
(4) Set S4 on the fixture DJ-497 to [8M].
How to upgrade
(1) Remove the top panel. (Refer to Section 3-3.)
(2) Connect the fixture DJ-497, on which PROMs are installed, as follows.
CPU Connect to DJ-497
SV CPU (IC123/SV-212) CN2/SV-212
(3) Turn on the power to the set, Then, writing starts.
While writing is being executed, the LEDs of the fixture DJ-497 show the status shown below.
D2 lights: ERASE is being executed.
D2 and D4 light: BLANK CHECK is being executed
D3 lights: COPY is being executed.
D4 lights: VERIFY is being executed.
(4) Only D5 (a green LED next to three red LEDs) lights, Then, writing is finished.
D5 lights: Normal
D1 lights: Abnormal
In an event of abnormally, suspect the cause judging from status of LEDs.
(5) Power down the set. And remove the fixture DJ-497.
(6) Turn on the power to the set, and confirm the version in the MAINTENANCE MENU.
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