Question about Yamaha YHT-160 System

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Power problem if the reciever was blow by overheat,what parts needed to charge so it work?

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  • Dave DeGain
    Dave DeGain May 11, 2010

    I have no idea what you are talking about. If there is a problem with your receiver and it overheats, there could be many different problems causing it. You need a mult-meter to be able to check the parts that must be replaced, and some parts may even check good, but still be bad. Electronics are not like a car, when you have a certain symptom you replace a certain part. With electronics you can have one symptom and then have 10 different things that cause the one symptom.

    You also need very good soldering skills, a schematic helps a lot, and then you must understand how the components work together so you can find all the bad parts by measuring voltages and knowing what those voltages mean.



    If you miss one part that needed to be replaced, then turn the unit on, you most likely will destroy the parts you just put in.



    I have seen many people try to fix their own electronics over the last 18 years who did not know what they were doing, and only a couple of times did they not cause more damage than they started with. Do yourself a favor and get it looked at by a professional technician. But if you insist on checking it yourself, and you have at least a multimeter, I can direct you to the most likely compnents that are bad.

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Have you read my clarification request? If you have a multimeter and know how to use it I can guide you thru finding out which parts need to be replaced.

Posted on Oct 16, 2008

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What is the solution for overtemp of pioneer htz 787 dvd home theater?


There can be many causes of overheating, not eh least of which would be a malfunction of the device electronics. But first, check these things to ensure best operation:

1. DO NOT install in an enclosed AV cabinet. While these thing look nice and pretty, they do not allow proper air flow to these higher-powered devices and can cause them to run hot.

2. Verify that the rear cooling fan(s) are operational. If the heat cannot be removed from the case, it only stands to reason that the unit may overheat. Replace fans that are non-operational.

3. Clean, clean, clean. Dirt and dust are the enemy of electronics. Many home theater systems are low-to-the floor- cabinets that the LCD TV sits on, and this places the electronics near to the floor where the most dust and dirt are kicked up. This gets into the electronics and clings to the components via static charges. This insulates the components and causes heat buildup. Use a can of compressed air (available at most stores that sell electronics), and blow out the air passages. If the cabinet is extremely dirty, and you fell capable, you can unplug the unit, open the cover, and blow out the dirt that way. Use only electronics cleaner canned dust remover, as it is non-conductive and relatively static free. Using a home air compressor can cause moisture to get on the boards and can create large static charges that can damage components.

Jan 22, 2016 | Pioneer Home Theater Systems

1 Answer

I have a Sony STR-DE945 home theatre reciever, i keep gettin a clicking sound and then my surround speakers cut out.


It's probably your fan.

The system runs hot, as it supplies a lot of power to push your speakers.

The system knows that without a fan, it will overheat. If the fan gets hot, the system will throw its self into safety mode, to keep it from burning its self up.

Have a tech check your fan.

Nov 18, 2010 | Sony HT-DW610 System

1 Answer

I have a Panasonic SA-HT 640 and I blow a circut after a few minutes.


Thanks for the feedback. I believe you are correct since your fuse is blowing. The short could be anywhere including the speakers. Disconnect all speakers if you have a phone jack and plug in a set of headphones. With the volume all the way down turn on. If unit still blows the fuse disconnect and open it up. Check all power output transistors or ICs for shorts. If you find one with 0 ohms resistance that is your problem. Replace and check the unit with speakers. If you do not find any problems with the outputs check all semis (transistors and diodes in the power supply) Again if you find a problem replace the part.If you cannot find any shorted parts you will proabably need an electronic tech to look at it. Let me know how you make out or if you need more help.

hardrocko

Thanks for using FixYa

Feb 19, 2010 | Panasonic Home Theater Systems

1 Answer

Busted Fuse that continues to burn out on our Pioneer Stereo Reciever SX-1900. We have changed it (the one cylinder one) and swapped outlets but it still doesn't work.. Please help.


disconnect all speaker wires at the receiver and turn back on. If the fuse still blows, the receiver needs to be serviced. If it stays on, reconnect speakers one by one and power up to test. If you need further troubleshooting help, post a comment and I will help.

Nov 19, 2009 | Home Theater Systems

1 Answer

My sony receiver tuner wont turn on. It was working fine yesterday now it wont power up. The fuse near the plug wire inside is good. Any suggestions


Fuses almost never go bad something causes them to blow. Even when a blown fuse is found in electronics just t replacing it can cause more damage if something caused it to blow, a repair person looks for bad parts before replacing a fuse. Only microwaves are known to blow fuses and replacing the fuse fixes it. About the only thing that people can do is unplug a short time and try it again. And need i say is the power outlet ok.

Nov 03, 2009 | Home Theater Systems

1 Answer

Audio Issue


You may have tried this, but when you hook up audio out from TV to audio in on reciever, did you try the different input options for the reciever. Often times, audio in is an aux1 or aux2 setting on the receiver. If it is working with the DVD player, it is functional, you just have to get the wires hooked up and get the reciever on the correct setting. Also, even if you have TV audio out correctly configured to audio in AND on the correct input setting, the TV volume will have to be UP as well as the receiver volume. NOT ALL THE WAY UP (you'll blow your speakers), but up about 25% for you to hear it.

Jul 29, 2009 | Home Theater Systems

2 Answers

Turn it on and blows fuse replace fuse and plug it in and it blow


You need to have the receiver serviced. The fuse is blowing because some part in the power supply or amplifier section has failed. A service technician will need to troubleshoot the unit to determine what parts need to be replaced.

Jul 10, 2009 | JVC TH-C50 System

1 Answer

No sound


you may have a blown fuse. check that first. Very if it still has a power.

Sep 12, 2007 | KLH SE-6000 System

1 Answer

Unit won't allow me to change modes


If you're NOT still under warrantee you should at least open the reciever and look for a blown fuse near where the power cable enters the set. If it is blown, it will be obvious and make sure that the set is unplugged before replacing it. If it blows again, or if it is not blown, your problem is probably in the 'X' volt regulator and you will need professional help with the repairs. You can also check the board where the components are mounted and resoled any that look bad. Brief power outages may cause the receiver to turn off on its own. If you are using a surge protector, try connecting the set directly to the wall outlet. In your case it could caused by a blown fuse, a leaky diodes or a bad solder joint at the horizontal drive transformer. All can be replaced at a local electronic or hardware store and they're easy to replace If this does not correct the problem, you may need to have your reciever serviced.

Jan 17, 2006 | RCA RT2380 Home Theater System System

1 Answer

Power


If you're NOT still under warrantee you should at least open the reciever and look for a blown fuse near where the power cable enters the set. If it is blown, it will be obvious and make sure that the set is unplugged before replacing it. If it blows again, or if it is not blown, your problem is probably in the 'X' volt regulator and you will need professional help with the repairs. You can also check the board where the components are mounted and resoled any that look bad. Brief power outages may cause the receiver to turn off on its own. If you are using a surge protector, try connecting the set directly to the wall outlet. In your case it could caused by a blown fuse, a leaky diodes or a bad solder joint at the horizontal drive transformer. All can be replaced at a local electronic or hardware store and they're easy to replace If this does not correct the problem, you may need to have your reciever serviced.

Dec 27, 2005 | RCA RT2380 Home Theater System System

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