Chapter 5 Troubleshooting and on board repair
MDC-5200/5500 Series
5-24
0092655002-03
Change motor brushes with new set.
Is motor brush length within
nominal value (at least 6 mm)?
No
1
Yes
Motor driver PCB failure
Is motor drive power +53V at J3-1
pin normal?
Motor failure
No
Is used brushless motor?
Yes
2
No
Failure of motor power or wiring in
Antenna unit, or failure of Display
unit power
Yes
Is motor drive power +24V
(between J2-8 and J1-8) normal?
No
2
Yes
Motor failure
Failure of motor power or wiring in
Antenna unit, or failure of Display
unit power
Yes
Is motor drive power +24V
(between J2-4 and J1-4) normal?
No
Содержание MDC-5204
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Страница 175: ...0092655002 03 A 1 INTER CONNECTION DIAGRAM RB806 ...
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