Question about Pioneer VSX-94TXH

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Pioneer VSX94TXH can not power on

I’ve a Pioneer VSX94txh after some days this amplifier doesn’t power on with out cause. The authorized Pioneer service in México can’t repair it because this model isn’t available in México. They tell me that amplifier’s software has been lost. It is possible?

I hope the dealer in USA can repair it. Somebody can help me?
I'm thinking send it to authorized dealer in Tulsa Oklahoma next week.

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Hi...
Some receivers do have places to upgrade firmware ..HarmanKardon does , cause I have one here at the shop.
I would send it to an authorized repair depot

Posted on Feb 09, 2009

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Posted on Jan 02, 2017

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check the base to base voltage of driver transistors might be too high.

Make sure that the amplifier's ground wire is tightly attached. If it doesn't look too good then take it out and clean it. Use a metal brush to clean that area.

Low power may cause your amplifier not to turn on. Make use of voltmeters to check if your amplifier is getting the right amount of power for it to work. Amplifiers need 110 volts or less to function if the power coming in does not reach that it means you have la defective power cable. If the power is alright and it reaches a minimum of 110 volts, and your amplifier still doesn't turn on that means that there is a problem with its power supply. Checking an inline fuse helps you to determine the appropriate amp ratings when you troubleshoot amplifiers. This is the best way to troubleshoot amplifiers with power problems.

To troubleshoot amplifiers that seems to be on standby mode

Look into your input sensitivity. An input control allows you to match output voltage that is coming from the main unit going to the amplifier then to the stereo speaker. The amplifier shuts down if the gains are
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Your speaker's electrical impedance may also contribute as to why your amplifier may be turned on but doesn't seem to work. Impedance is the amount of current which flows with a specific voltage throughout the transistors, capacitors, etc. Just see to it that your amplifier and speakers equal in impedance range when you troubleshoot amplifiers. Use the voltmeter to check the impedance range when you troubleshoot amplifiers.


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