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How to fix dc power supply in a hitachi worldspace digital receiver kh-ws1

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trissa lee kelley

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You better look it up online or if you don't have internet find someone who does

Posted on Jun 19, 2019


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SOURCE: Hitachi KH-WS1

Posted on Mar 31, 2008


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Your issue is in the LED lamps or power supply, test the voltage at the connector that comes out of the power board and see if you have voltage there of 100 plus volts DC, if you don't unhook the connector and see if you have around 150, if you do then you have at least one lamp that is bad and needs replacing, if there isn't any voltage there its the power board

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If it is not faulty, it is not receiving a strong enough wireless signal and you could try it at another locaton where there is a working digital antenna and downlead.

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Dead hitachi 443

This unit uses a DC to DC converter, and it is very sensitive to voltage spikes, it does have a fuse on the power supply and it also has 4 solid states fuses that look like transistors and resistors on the power supply board.


Btw, I’m available to help over the phone in case u need at

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I assume you are talking about listening on the set's own loudspeaker.
The power supply for the receiver is faulty, it is not producing a nice smooth DC like it should. Is it an external supply? If so try a new one, if not there is a faulty component in the radio power supply.

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As I have exactly the same unit, I know for an absolute fact that almost every computer monitor with a removable power cable uses exactly the one you need. So either scrounge it from your "spare cables" box, or go to Radio Shack and buy a brand new one.

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I have the same JVC Radio Satellite, we are facing a problem now, although and we have this kind of a Radio receiver that in the past used to receive it broadcast from 1WorldSpace Co. but it went bankrupcy, so we are unable to use our Radios, any idea, to whom we would refer to

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During printing, the main thermistor detects less than 120°C/248°F for 1
sec or more continuously.
Main cause:
The fixing film unit is faulty (main thermistor fault, thermal fuse blow, fix-
ing heater fault).
Or the power supply PCB is faulty.
Or the DC controller PCB is faulty.
Turn off the power; wait for 10 min, and turn on the power. Is the problem
Is the wiring from the DC controller PCB to the fixing film unit normal?
NO:Correct the wiring.
3.Fixing film unit
Try replacing the fixing film unit.
Is the problem corrected?
4.Power supply PCB, DC controller PCB
Try replacing the power supply PCB. Is the problem corrected?
NO:Replace the DC controller PCB

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