Question about Yamaha HTR-5635 5.1 Channels Receiver
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Posted on Jan 02, 2017
there are several reasons, but the most common is because a high power trasistor is shorted, most yamaha receivers use the same names for the failure signals, such as PRD, PRI, PRY
The PRI is the signal that "tells" to the microprocessor that something is wrong with the power amplifier stage. so my recommendation is that look with the ohmeter a power transistor shorted usually if one if damaged, the next one or complimentary is too, there is a small transistor between the two big ones, usually is the number is D1915, if this is damaged, USE the SAME, also look for resistors damaged, specially the low value like the big white this resistor is 2 in 1 and some times just one resistor opens.
I hope this helps
Posted on Apr 25, 2008
Solved problem with Yamaha HTR-6040 AV Receiver. My daughter had inadvertently changed the program to "Direct Stereo" mode which allows sources to bypass the decoders and DSP processors so you can listen to 2-Channel PCM and Analog sources. Nothing to decode digital audio in this setting!
Posted on Aug 10, 2008
I suggest you run self diag. press [FM/AM] key + [Input mode] key and press the [power/standby] switch.
ps prt = power supply problem
dc prt = shorted output or leakly cap in channel
tmp prt means to hot on heatsink
you'll likely have to measure the resistances of the output FETs to find a short,
Posted on Feb 03, 2009
Your Yamaha is going into protection model.
This mostly happens when:
1). There is rise of internal temperature.
2).Core wires of the speakers are touching each other or a core wire is sticking out of the terminal and touching the set's rear panel or the speaker itself has a problem.
3). Speakers with an impedance other than specified are being used.
4). the set is damamged or has bad solder / dry solder connection .
Just check your speaker cabling again. Make sure that all of them are seated properly, none is touching each other or the body of receiver. Rewire if necessary..
Are you using banana plugs for connecting speaker or just directly. Some times even a little tiny frayed wire touching the receiver could trigger the protect mode. Be careful, since protect mode is sometimes not fast enough and it could blown a few trasistors in the power circuit.
If everything else seems all right and still your receiver shut down then it possible that
1).there are bad connections on the main board that are set in.
This would generally happen if the system is slighly old or have dry solder. This should be a simple repair that will not require parts. If you can solder, you will be able to repair this yourself. I could guide you a bit. If not, then a local service center will change the local labor rate.
2). Some transistors have blown on the output power board:
This will require little bit of more electronic knowledge.
I suggest if your set is still under warranty, then please take it to Yamaha.
Hope you can sort out your problem with the above trouble shooting. Let me know if I can guide you further.
Thanks for using FixYa!
Posted on Mar 12, 2009
SOURCE: yamaha HTR -6130 DTS?????
First, the sound source must also be in DTS. DTS is typically not the default audio selection on any DVDs that have that format...you'll have to select it.
Posted on May 08, 2009
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