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·
Remove right side cover.
·
Disconnect CU cable.
·
Press RE5ET key.
2A2-2B2 Code Chart
·
Pre.s Space bar.
Probe
1
B2505
G
G
B2S08
R
Probe pins
Probe pin.
B2509
G
listed in
B2502
G
B2U05
G
Probe while alternately
B2Ml0
G
B2U09
G
pressing a character key
B2Mll
G
R
and
RESET key.
B2513
G
G
PrObe pi,,~
No
P'ohif' pin,;
Yes
I
Diagram 4-1_ Display Station Troubleshooting Diagrar'ns (Sheet 12 of
291
4-14
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