MDC-5200/5500 Series
Chapter 5 Troubleshooting and on board repair
0092655002-03
5-25
Go to
“Antenna
does not rotate.”
(page 5-19)
Yes
No
Error mess
age “Azimuth
abnormal.” is displayed.
Is motor rotating?
Modulator PCB failure
Yes
Yes
No
Modulator PCB
failure
No
Error m
essage “Head line
signal abnormal.” is
displayed.
Is motor rotating?
Reed switch failure
Is connecting J3-3
of control PCB?
Is J3-1 connecter
(+53V) of modulater
PCB connecting
properly?
No
Connect properly.
Yes
Go to
“Antenna
does not rotate.”
(page 5-19)
Connect properly.
Does this error message
disappear?
No
Yes
End
Is Motor control voltage
+53V (J3) of Modulator
PCB normal?
No
Yes
Brushless motor failure
Summary of Contents for MDC-5204
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Page 26: ...Chapter 3 Installation method MDC 5200 5500 Series 3 2 0092655002 03 RB808 RB809 Unit mm inch ...
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Page 175: ...0092655002 03 A 1 INTER CONNECTION DIAGRAM RB806 ...
Page 176: ...A 2 0092655002 03 INTER CONNECTION DIAGRAM RB807 ...
Page 177: ...0092655002 03 A 3 INTER CONNECTION DIAGRAM RB808 ...
Page 178: ...A 4 0092655002 03 INTER CONNECTION DIAGRAM RB809 ...
Page 179: ...0092655002 03 A 5 INTER CONNECTION DIAGRAM MRD 109 MRO 108 ...
Page 180: ...A 6 0092655002 03 INTER CONNECTION DIAGRAM MRD 111 ...
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