Question about Allied Telesyn Computers & Internet
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Posted on Jan 02, 2017
SOURCE: cobra 29ltd classic : no rx / tx
D23 is the reverse protection diode and it shorting is the primary reason your fuse blew. As you posted, power was applied in reverse, hence other components would also fail. Pls check:
1. D22 - 9.1V Zener Diode
2. TR23 (2SC1096) 9 Volts regulator
3. D19 - 5.1 Zener Diode
4. IC4 (TA7222) - Audio Amp
5. TR14 (2SC2029B/10) - Finals
6. TR15 (2SC2028B/20) - Driver
7. Most capacitors over 220uF (like C123, C114 & C112)
Hope that this be of help/idea. Pls post back how things turned up or should you need additional information.
Good luck and kind regards.
Posted on Feb 04, 2008
you did not specify where the wap is connected when you pinged it. Try this, connect the wap54g to your pc. Assign static ip 192.168.1.5 on the lan of the pc, then ping 192.168.1.245. if you can ping you should be able to access the configuration page. if the power is still blinking you can upgrade the firmware
Posted on Mar 11, 2008
SOURCE: codra 29 nw ltd classic
Hook radio to antenna. Key radio. Pester nearest trucker for radio check on ch 19. Can trucker hear you OK? Can you hear trucker OK? then meter is bad or connection to meter bad.
Can you hear truckers, but they can't hear you? Final Output transistor is bad...
Posted on Mar 20, 2009
Well,first hand ,some cobra radio,s have red some have green RX/TX lights, but are you modulating? Some green lights turn red. What is your standing Wave on the antenna,s? You need to check it and the output of the radio. To do this you need a watt or field strenth meter. Can get one at Radio Shack. Your standing Wave is ok as long as it is below a 2. That has to be done on the antenna. ..hope this helps...
Posted on Mar 12, 2010
Testimonial: "Thx the rx/tx light is supposed to turn red I found out. Still trying to get the antenna prob fixed though."
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