Question about Marantz SR-4000 Receiver

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Who is the voltage secondary in the transformer stand by of marantz sr4000

Posted by apasteur1 on

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3 Related Answers

j2easy

Allen

  • 152 Answers

SOURCE: Pioneer SX-203 power transformer ATS1526 secondary voltage???

just a question.1st.. if you don't know what you should have... then what are you going to do... if it's lower or higher ... seems like you should have a print before you go looking...go check at the off and on switch for the standby .. 9v more or less to trip the relay to turn the sys. on... now get a print...or go backwards to the transformer to see if it's blown. or something in between is open

Posted on Dec 11, 2009

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David S.

  • 506 Answers

SOURCE: will not power up

There should be a fuse between the switch and the primary. Have you verified that there is voltage on the primary or checked the continuity of the mains fuse?

Posted on Feb 09, 2010

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gregs_rockin

greg degelman

  • 274 Answers

SOURCE: TRYING TO HOOK UP MARANTZ SR4000 TO A MITSUBISHI HC300 TO DIRECT TV. HAVE PICTURE BUT NO SOUND

Try changeing around your patch cords,You probaly have the input end output patch cords mix up.If they are not hooked up right you will get no sound. Unless there is a problem with the jacks on your amp or reciever

Posted on Sep 20, 2012

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Try changeing around your patch cords,You probaly have the input end output patch cords mix up.If they are not hooked up right you will get no sound. Unless there is a problem with the jacks on your amp or reciever

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  1. To test a transformer you need to know what type of transformer it is first. There is a step up transformer which steps the voltage up and a step down transformer which steps the voltage down.
  2. You will still test the transformers the same way for step up and step down transformers. If it is a step up transformer apply the incoming power to the transformer or plug it up. Now take your multimeter and place it on the AC volt scale and test the voltage if the voltage on the data plate says the transformer should step up to 220 volts and it doesn't then your transformer is bad.
  3. Now repeat the same steps for a step down transformer. Plug up the incoming or primary power and test voltage on the outcoming or secondary side the voltage should step down to the proper value. If you don't read any voltage on the secondary or outgoing side then the transformer is bad.
  4. To read the voltage place the two meter leads on the secondary side, or the side you will plug your equipment into. If the secondary side is an outlet then place the two meter leads into the top two slots in the plug and read voltage. You also want to make sure the incoming power is working as well. Otherwise you will be reading a bad reading every time.

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Hello
If you have plugged in to 230AC with voltage settings was 110VAC, the transformer has been damaged already [opend winding]. If the voltage settings was 230VAC itself, there will be no harm to its internal transformer. Anyway, open it, anc check the fuses. In some cases, fule only will blow out, preventing from furhter damages. I'm not sure about it, but check it. If the fuse only has blown out, and there has no harm; you are lucky I should say. OK.

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The secondary voltages of a transformer are stepped down voltages. For example a transformer might be stepping 120 volts AC down to 25 volts AC in the secondary. Which then would be rectified by a bridge rectifier in the power supply and converted to DC Voltage which would be used to bias transistors or tubes and other electronic components. The amount of voltage that is output for use is determined and calculated by the engineers designing the amplifier or pre-amp.

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It happens sometime with low voltages. Try putting in a voltage stablizer in the path and test it. If it works, get a high quality component to give you correct voltage.

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