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COBRA 40 CHANNEL HH35 HANDHELD

NO POWER AC OR DC?????

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The plug in for theese radio's are junk, I would look inside by the plug in on circut board probely needs resoldering and try to clean the plug in part with electrical cleaner and a very small screw driver to scrap the connections and take out the batteries first!!! also check your batteries make sure each one is good = 1.4 volts or more

Posted on Dec 12, 2007

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Posted on Jan 02, 2017

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Does Huawei S6720 Switch has 600W DC power supply?


In fact, Huawei S6720 Switch has with 600W AC power supply, 350W DC power supply.
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Can AC and DC Power Modules Be Used in the Same Switch?


Fixed Switches Product Series Model AC and DC Power Module Mixing S3700/S5700/S6700 S3700-26C-HI Supported S5710-28C-EI Supported S5710-52C-EI Supported S5700-28C-HI Supported S5700-28C-HI-24S Supported S5700-EI (non-PoE) Supported in V200R005 S5700-SI (non-PoE) Supported in V200R005 S6700 Supported in V200R005 S5710-HI AC and DC power modules cannot be used together, but 350 W and 1150 W AC power modules can be used in one switch. S5720-HI Supported Modular Switches · When a switch does not use a PoE power module:
AC and DC power modules cannot be used together in the same type of power slots. Power modules with different power values cannot be used together either.
·
· When a switch uses a PoE power module:
Version PoE Power Module System Power Module V200R005C00 and earlier versions AC AC DC power module not supported - V200R006C00 and later versions AC AC DC DC AC DC ·
AC and DC power modules cannot be installed in the slots of the same type (system or PoE) in the same switch, and the power modules of different power values cannot be used in the same switch.
·


S5720 Switch Thunder link com

Oct 27, 2016 | AC Cars & Trucks

1 Answer

How i can solve this problem? My problem: my ups's output is constant by without ac input. But, ups's output is danceing or not proper by ac input.


check ac in inside UPS does it get converted to DC voltage inside UPS to charge the batteries. My guess of possible cause is Fault Capacitors on DC that filter the DC or a faulty power diode of a wheatstone bridge that is causing only half the AC cycle to be turned into DC. Check the power to the internal batteries is steady DC . Good luck in your troubleshooting

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I need a class 2 power Supply ac/dc adaptor


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Dec 14, 2015 | Computers & Internet

1 Answer

So far I've attempted to replace the motherboard for power. Bought exact same on eBay but got robbed. That one wouldn't even allow me to get power... So any ideas on which direction I might go?


what sort of power . do you mean electicity or processing power. I would look at the AC to DC adapter power pack if it is a laptop and electricity. The battery could need replacing on the laptop but if you aint getting electricity like DC voltage out of the AC to DC adapter the battery goes flat. . A voltmeter could measure the DC voltage coming out of the AC to DC power pack adapter unit to confirm if power adapter is at broken.

Apr 25, 2015 | Televison & Video

1 Answer

My cobra hh35 handheld will turn on and key up but will not receive on any channel


do you have a home base radio? Connect the coax to the HH35 and see if it makes any difference.

Jun 30, 2014 | Radio Communications

1 Answer

Ac/dc TV. Can I unplug dc lead and plug in ac adaptor to use ac power?


Some ac/dc TVs are supplied with separate power cables for the desired use. It is best to use the recommended ac adapter rather than a "generic" adapter.

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3 Answers

Advent N270 netbook will not charge. Orange light comes on initially then goes off. Also when I wiggle the plug into the laptop the light flashes on and intermittently.


It sounds like either a bad connection on the motherboard or a broken wire in the adapter making intermittent connection.

1. With the power adapter disconnected, do you have a power light? This would indicate the adapter is good and the plug is questionable.

2. Check your power adapter output with a multi-meter.(be sure to wiggle the wires around) If the power fluctuates, replace the plug.

3. If the power is solid, replace the motherboard connector.

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