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TC Electronic A/S
M5000 Service manual
page 9
Upgrade list for M5000 only
This list gives a quick view of updates on the M5000 Mainframe.
No
Modification ONLY concerns
these serial no.
Possible symptoms before
modification
Modification
Service note no.
1
280000 -280258
Extremely hot
Heat sink modification
501
2
280000 -280651
Bad connection between Modules
and Bus board
8 x Toothwashers mounted between BUS-board and stand offs
none
3
280000 -280903
Error on digital in/out signals
At PSU: Schottky-diode(D2) = isolated case
none
4
280000 - approx. 281000
"Not enough memory"
Mount 2M FLASH
see appendix L
5
281116
- 281467
Serial no. in Setup Utility = 0
Replace D2 at CPU board with a 4K7 5% resistor
none
6
280000 -281720
Error 04 when warm
IC6 + IC7 pin11 connected instead to IC9 pin4
712 10 0510
7
approx. 281505 - 281775
E03 when wiew angle = CCW
Front PCB: R6=680ohm connected to top of R4=680ohm
712 10 0509
8
281116 - 281922
Remote communication slow
CPU board ver. M5000-5: C79 and C84 switched around=RS232 ok
none