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Good service, well organized. Cheap, and the service manual was as expected. A valuable service for those of us wanting to keep the old junk going!
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The manual arrived very quickly and had all the information I needed - Very satisfied with this seller. - Thanks -
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Good quality, the manual help me to repair the echo/reverb section
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A good service manual with lots of info and a very fair price
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Great value, good scan, just as expected, everything that you need.
1-2. PROM
1-2. PROM
Program names are shown in the suffix of original name of the PROMs. When the version of program changes, the suffix of program name will be changed. Be sure not to use the unprogrammed PROMs. Since all the PROMs are mounted on the board through the IC socket, be very careful when removing the PROMs. . IC5/CPU-286 board . IC6/CPU-286 board
1-2-1. PROM Version Check
n The version indication can be displayed in �Engineer Mode� and above. (Refer to the Operation Manual.) Select �MSU� in the menu (configuration menu) on the EL display, then select �Information� successively. The version of PROMs will be displayed.
1-2-2. Notes on PROM Replacement
When replacing PROM (IC5 or IC6) on the CPU-286 board, be sure to replace both IC5 and IC6 at the same time. When mounting the PROMs, be sure to insert MSU7x0AL (LOW) in IC5 and MSU7x0AH (HIGH) in IC6. If you are confused between IC5 and IC6, this unit does not operate normally.
MSU-750 MMP2
1-3 (E)
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