Chapter 5 Troubleshooting and on board repair
MDC-7000/7900 Series
5-18
0092669002-07
5.3.2.10 Antenna unit failure
Yes
RF module (RFM-100)
failure
No
No
Modulator PCB failure
Yes
+12V and frame is
short-circuited.
Does status recover by
disconnecting P6 (J6) of
modulator PCB?
Does status recover by
disconnecting P1 (J1) of
modulator PCB?
Shorted in antenna
connection cable or
Display unit failure
Summary of Contents for MDC-7006
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