MDC-7000/7900 Series
Chapter 5 Troubleshooting and on board repair
0092669002-07
5-13
5.3.2.5 Operation unit error
Cannot operate all keys?
Is
“Panel not connected”
message displayed in
Alarm message area at
lower right of the display?
Confirm which keys and
encoders break down by
MENU> MAINTENANCE>
BITE> PANEL TEST.
No
Yes
Main logic PCB
(E63-700*) failure
No
No
Does the LED of trackball
of Operation unit flash on
and off in red blue yellow?
Yes
Yes
Operation unit failure
Operation unit failure
*Subject to version change
Summary of Contents for MDC-7006
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Page 155: ...0092669002 07 A 1 INTER CONNECTION DIAGRAM RB807 ...
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