Chapter 5 Troubleshooting and on board repair
MDC-5200/5500 Series
5-18
0092655002-03
Is X2 connector of
SCAN PCB
connecting?
1
Yes
Change motor brushes with new set.
No
Yes
Yes
No
Yes
No
Is motor brush length within
nominal value (at least 6 mm)?
Motor failure
Error message “Azimuth
abnormal.” is displayed.
Is motor rotating?
Go to
“Antenna
does not rotate”.
(page 5-13)
Error
message “Head line
signa
l abnormal.” is
displayed.
Is motor rotating?
Failure of motor power or wiring in
Antenna unit, or failure of Display
unit power
Yes
Is motor drive power +24V at X12-1
pin normal?
No
No
Go to Antenna does not
rotate.
(page 5-13)
Failure of Heading SW
Connect properly.
SCAN PCB failure
Summary of Contents for MDC-5204
Page 1: ......
Page 2: ......
Page 26: ...Chapter 3 Installation method MDC 5200 5500 Series 3 2 0092655002 03 RB808 RB809 Unit mm inch ...
Page 70: ... This page intentionally left blank ...
Page 154: ... This page intentionally left blank ...
Page 174: ... This page intentionally left blank ...
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 ...
Page 181: ......
Page 182: ......