Maxon FM Mobile radio SM-2000

Questions and Answers

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Timothy GomezJul 30, 2025
What to do if my Maxon FM Mobile radio SM-2000 unit does not work?
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  Nicholas ParkJul 30, 2025
  If your Maxon Transceiver unit isn't working, the possible causes include an open DC fuse in the power cable, a defective volume switch, or a broken DC cable. To resolve this, you can try the following: - Replace the DC fuse. - Replace the volume switch. - Repair or replace the DC cable.
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Christopher SimmonsAug 5, 2025
How to fix a Maxon Transceiver that does not program?
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  Rebecca BarberAug 5, 2025
  If your Maxon Transceiver is not programming, it could be due to several reasons. The programming lead might be defective, the programming mode might be set incorrectly, the MIC connector could be defective, or IC412 might be defective. Try these solutions: - Replace the programming lead. - Set the programming mode correctly. - Replace the MIC connector. - Replace IC412.
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Amy SteeleAug 11, 2025
What to do if there is no output from the Maxon FM Mobile radio SM-2000 Transceiver speaker?
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  Craig HollandAug 12, 2025
  If you're experiencing no output from the speaker on your Maxon Transceiver, it could be due to a defective internal speaker or external jack, a defective IC108, or a defective VR801. To troubleshoot, replace the internal speaker and check the external jack. Also, consider replacing IC108 and VR801.
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bernardtraceyAug 16, 2025
Why is the squelch not working on my Maxon FM Mobile radio SM-2000 Transceiver?
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  Timothy LoweAug 17, 2025
  If the squelch function isn't working on your Maxon Transceiver, it might be due to incorrect alignment of the squelch resistor RV103, a defective IC109, or a defective CPU IC409. Try aligning the squelch resistor RV103 properly. If that doesn't work, replace IC109 and CPU IC409.
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yleAug 23, 2025
How to resolve no sub audio decode CTCSS/DCS on a Maxon FM Mobile radio SM-2000?
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  michellewilliamsAug 23, 2025
  If there's no sub audio decode CTCSS/DCS on your Maxon Transceiver, the issue might be due to wrong programming, a defective switch filter IC406 (MF-6), or a defective CPU IC409. You can check and correct the programming. If the problem persists, replace switch filter IC406 and CPU IC409.