Mackie MDR 24/96 Service Manual download pdf (Page 29)

HDR 24/96 EPROM replacement, SSE Jan 2001

HDR Eprom.pdf, page 2 of 2

Procedure continued:

6. Remove the four side screws and two

bottom screws securing the internal hard

drive assembly to the chassis. This gives a

little bit more access to the Brain board,

as the hard drive assembly can move

backwards a small distance.

You can also remove the hard drive

assembly if you prefer. Make a note of all

the connections and the exact cable

routing for when you put it back in.

7. Undo the connectors at J1,

J5 and J2 on the Brain

board. Move them out of

the way so you can reach

the EPROM U5.

8. Slide the hard drive assem-

bly backwards to give you

some room, and then use

a small screwdriver to

remove the existing EPROM

from its socket.

9. You should first bend the

legs of the EPROM to make

sure they are straight

down. Then carefully and

securely put in the new

EPROM, making sure that

each pin is in its socket. The

notched end of the EPROM

should point upwards.

10. Replace the six hard drive screws.

11. Replace the top cover and secure all the

screws, including the rack bracket

screws.

12. Perform a complete specification test

before returning the HDR 24/96 to the

customer.

13. The old EPROM may be saved and

recycled as a unique earring, bound to

break the ice at service technician

parties.

J1

J5

J2

U5

remove from the

left side

remove from the

bottom panel

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