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What would a fuse look like if it were bad in the board inside the RCA receiver unit?

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The metel strip inside the fuse will be broken end melted,

Posted on Nov 05, 2012

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1 Answer

Fuses for sansui receiver g-5700


What fuses? Fuse are located on the Power supply board inside the unit. If they are blown it is for a reason. Find the reason first by replacing the bad components. Take it to get it serviced if you are not experienced.

NOTE: Do not open the unit unless you are experienced with working with high voltages. It can cause injury or even *****!

Feb 09, 2017 | Sansui Audio Players & Recorders

1 Answer

Harman Kardon 146 receiver not turning on.


Possible blown fuse inside unit, unplug and remove the top cover
fuse should be near the power board and transformer. replace with exact fuse, "Never remove covers with the unit plugged in" Always wait 4 or 5 minutes after unplugging to remove the cover.Replace cover before plugging unit back in.

Oct 06, 2014 | Harmon Kardon Harman Kardon Avr 146 5.1...

1 Answer

What could be the cause of the receiver act like it's not plugged in? No lights or anything.


Is the outlet live? Does something else plugged into the same outlet work?

Does the receiver have a master power switch on the back that may have been switched off by accident.

Some - not all receivers have user replaceable fuses. If you do not see a fuse holder on the receiver near where the power cord attaches then you may need to open the chassis to see if there are replaceable fuses on the power supply board inside. Follow where the power cord connects to the chassis. It will lead to a board with a transformer that changes high voltage to the low voltage that the receiver needs to operate.

IF there are user replaceable fuses inside they will be on the power supply board.

PLEASE make sure that the unit is unplugged and has been for some time as the transformers sometimes stores residual voltage that will harm you. Don't do this unless you know what you are doing inside the unit. I recommend novices just take it to the repair center.

Also - IF you replace with the wrong fuse type and rating you can cause further damage to your unit.

Good luck and be careful.

May 26, 2014 | Sherwood RD-6108 Receiver

1 Answer

Where is the fuse


Unplug the unit,wait approximately 5 minutes,remove the top cover look for the place where the power cord enters the unit.the fuse will be on the board next to the power transformer, should be labeled F1 and a 4.5-5 amp 125/230v glass type fuse

Jan 24, 2014 | RCA Sta-3900 Stereo Receiver 200 Watts

1 Answer

RCA L42FHD37RYX27 when i turn on i get a half screen for about 10 minutes then its good


Not much a Most of these sets use two boards--each drives the half of the screen.

You could have:

One of the boards is failing.

One of the boards has developed bad connections with the plugs or on the actual board.

The connections for that board where it connects to the actual screen unit is bad INSIDE THE SCREEN UNIT (DISPLAY PANEL) where it cannot be got at.

If you are lucky it is a loose connection or bad board, If unlucky inside the panel itself is fatal as the part costs more than the set did new.

Oct 21, 2012 | Televison & Video

1 Answer

My is73 system will not power up . the 2 fast blow fuses are ok


Hello, welcome to Fixya!

Your receiver is having a power fault because it is not switching on. The receiver might have worked fine in the past, but that's electronics for you. Power surge, irregular power supply, excess power supply, etc can affect the unit thereby not making it to power on.

First, remove the unit's power cord from the wall, wait for about 30mins, then plug it back in. If it doesn't power on, plug it into another outlet, to make sure there electric current entering into the receiver.

If plugging into another power outlet doesn't power it on then it confirms that the receiver is having a power fault.

When electric current comes from the power outlet into the receiver, it goes straight into the power supply board which then circulates the current into the unit. So if the receiver doesn't power on, the first thing is to make sure there is power entering into the receiver.

So check the power cord, if it is a 3-pin plug, it must have a fuse in it. check the fuse if it is not blown. if fuse is intact, then power supply board should be checked.

This unit must have a power supply board in it where power enters from the mains. A capacitor, fuse, diode, etc may have been defective on the power board and maybe that's why its not making the unit turn on. There might also be some disconnection or something, inside the unit which is not making it to power on.

To actually find out what's wrong, you need to disassemble the unit with a screw driver and check what's wrong. You will be needing a meter and continuity tester in order to read the components on the power board. Once you detect any bad component, you can make necessary replacement at any electronics accessories store withing our vicinity. This is the only way by which you can detect and solve the problem.

Of course, testing the power board with a meter will require someone that has the ability. So it you can't, then you might be needing the help of a repairman or you can call a friend that has the ability to help you out.

I wish you the best of luck.

Regards.

Jan 05, 2012 | Audio Players & Recorders

1 Answer

My yamaha yamaha_rx-v457 does not switches on


Hello, welcome to Fixya!

Your receiver is having a power fault because it is not switching on. The receiver might have worked fine in the past, but that's electronics for you. Power surge, irregular power supply, excess power supply, etc can affect the unit thereby not making it to power on.

First, remove the unit's power cord from the wall, wait for about 30mins, then plug it back in. If it doesn't power on, plug it into another outlet, to make sure there electric current entering into the receiver.

If plugging into another power outlet doesn't power it on then it confirms that the receiver is having a power fault.

When electric current comes from the power outlet into the receiver, it goes straight into the power supply board which then circulates the current into the unit. So if the receiver doesn't power on, the first thing is to make sure there is power entering into the receiver.

So check the power cord, if it is a 3-pin plug, it must have a fuse in it. check the fuse if it is not blown. if fuse is intact, then power supply board should be checked.

This unit must have a power supply board in it where power enters from the mains. A capacitor, fuse, diode, etc may have been defective on the power board and maybe that's why its not making the unit turn on. There might also be some disconnection or something, inside the unit which is not making it to power on.

To actually find out what's wrong, you need to disassemble the unit with a screw driver and check what's wrong. You will be needing a meter and continuity tester in order to read the components on the power board. Once you detect any bad component, you can make necessary replacement at any electronics accessories store withing our vicinity. This is the only way by which you can detect and solve the problem.

Of course, testing the power board with a meter will require someone that has the ability. So it you can't, then you might be needing the help of a repairman or you can call a friend that has the ability to help you out.

I wish you the best of luck.

Regards.

Dec 14, 2011 | Yamaha RX-V457 Receiver

1 Answer

Possible power surge from generator. now no power going through the first ic board and fuse was not blown. only looks like a tranformer and a blue box (power relay?). any way to fix/get a new board?


Hello, welcome to Fixya!

Your receiver is having a power fault because it is not switching on. The receiver might have worked fine in the past, but that's electronics for you. Power surge, irregular power supply, excess power supply, etc can affect the unit thereby not making it to power on.

First, remove the unit's power cord from the wall, wait for about 30mins, then plug it back in. If it doesn't power on, plug it into another outlet, to make sure there electric current entering into the receiver.

If plugging into another power outlet doesn't power it on then it confirms that the receiver is having a power fault.

When electric current comes from the power outlet into the receiver, it goes straight into the power supply board which then circulates the current into the unit. So if the receiver doesn't power on, the first thing is to make sure there is power entering into the receiver.

So check the power cord, if it is a 3-pin plug, it must have a fuse in it. check the fuse if it is not blown. if fuse is intact, then power supply board should be checked.

This unit must have a power supply board in it where power enters from the mains. A capacitor, fuse, diode, etc may have been defective on the power board and maybe that's why its not making the unit turn on. There might also be some disconnection or something, inside the unit which is not making it to power on.

To actually find out what's wrong, you need to disassemble the unit with a screw driver and check what's wrong. You will be needing a meter and continuity tester in order to read the components on the power board. Once you detect any bad component, you can make necessary replacement at any electronics accessories store withing our vicinity. This is the only way by which you can detect and solve the problem.

Of course, testing the power board with a meter will require someone that has the ability. So it you can't, then you might be needing the help of a repairman or you can call a friend that has the ability to help you out.

I wish you the best of luck.

Good luck.

Jan 23, 2011 | Yamaha RX-V793

3 Answers

RS 2654 RCA


I would say it's the main power supply. Try looking for a short in there using a multimeter

Nov 13, 2007 | RCA RS2652 Shelf System

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