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Have a krf-v8020d reciever keeps turning itsel*** when i turn it on is it the diode and how much will it cost to fix

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Posted on Jan 02, 2017

palaboy
  • 5807 Answers

SOURCE: reciever keeps yurning itself off after a few seconds

Assuming running from a cold start,

it means protection circuit are activated.


If it runs hot, then turns off then it is thermal cause.

Simple solution could be disconnecting all your speakers

and power up.

If it runs OK, then reconnect one at a time to find the cause.


If disconnecting the speakers doesnt do anything,

these unit needs repair.


Start checking out power supply

Check the supply rails to the main amp ( B+ and B-)

and most important , check for DC offset voltage on all amp outputs.


Let me know if you need further assistance!

Posted on Sep 27, 2012

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1 Answer

Reciever keeps yurning itself off after a few seconds


Assuming running from a cold start,

it means protection circuit are activated.


If it runs hot, then turns off then it is thermal cause.

Simple solution could be disconnecting all your speakers

and power up.

If it runs OK, then reconnect one at a time to find the cause.


If disconnecting the speakers doesnt do anything,

these unit needs repair.


Start checking out power supply

Check the supply rails to the main amp ( B+ and B-)

and most important , check for DC offset voltage on all amp outputs.


Let me know if you need further assistance!

Sep 27, 2012 | Kenwood Audio Players & Recorders

2 Answers

When turn on it blows the fuse


There must be a diode that is faulty in the power supply section mainly on of the rectifying diodes.
If you look closely at your board you will see four diodes that just after the fuse and befroe the Big capaictor(filter cap.) One of these four diodes must be faulty as the fuse keeps blowing. the diodes are responsible of current limitation drawback. So there must be current flowing back to the fuse that makes it keep blowing.
Check and replace. Good luck
Thanks for using Fixya.

G.

Jun 27, 2011 | Pioneer SX-205 Receiver

1 Answer

The compaq keeps shutting itself down... I turn it on... It turns itsel***. What should I do?


The device is either not receiving enough power or overheating. Overheating damage can be permenant.
Get one of those compressed air cans and blow all vent out with device turned off. Wait a while and try again. I honestly do not think this will fix it but it is what ails you.

Jun 24, 2010 | Compaq Presario 700 470024-192 Notebook

1 Answer

My panasonic lumix ls80 digital camera turns itsel*** as soon as i turn it on


Be sure that your batteries are fully charged and in fact using name brand rechargeable batteries. If you are using Alkalaid, make sure they are fresh. Alks after a use that runs them down will come back after awhile for some more pictures. If you have fresh batteries and the camera turns itself off after turning it on, it probably has a problem in the power supply section or the switching section on/off on a circuit board.

May 20, 2010 | Panasonic Lumix DMC-LS80 Digital Camera

1 Answer

HCL4715W 47 in. Rear Projection Television: Wheb the TV is turned on the screen is fine, howev...


Yes,this tv can be fix it have convergence problems.The convergence board the 2 STK covergence ICS are defective and some or all it resistors are dead.The shop will cost u $300-350 for parts and labors.

May 16, 2010 | Samsung HCL4715W 47" Rear Projection...

1 Answer

Our copier keeps turning itself off by its self


This code deals with the fuser unit. This is the section that heats up. To be safe you need to call a local canon dealer to come by and check the copier. Once the copier gives this code you can not reset it unless you go into the service mode to reset it.

May 14, 2010 | Canon imageRUNNER 5000 Copier

1 Answer

My kenwood krf-v4060d reciever on/off switch is faulty, it stays switched on for a few seconds and then switchs its self off.can i get a replacement ? i have had not much luck here,any suggestions !


The problem is not likely to be the switch itself. The unit is rpobably going into "protect" mode because of a problem internally. Try removing all the cables and try to turn on the unit. If the behavior remains the same, the output section requires repair. The most common failure is the output transistors. Expect a parts cost in the $40-$60 range.

Dan

Dec 09, 2009 | Kenwood Audio Players & Recorders

1 Answer

Increase AM bandwidth to 531khz to 1700khz


ya am booster antenna of the am output u could try 1st or u saying teh kenwood limites u to 1620 max only ch >

Jan 23, 2008 | Kenwood KRF-V5060D Receiver

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