Question about Marantz Audio Players & Recorders
The unit powers up and all the controls seem to work however there is no output. I pulled the jumpers that connect the preamp to the amp and connected the output of the preamp to an external amp and speaker but there was no output. I was able to send a signal into the amp and got an output on all the speakers ports. Any ideas on what I should look at to determine the issue with the preamp?
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Posted on Jan 02, 2017
SOURCE: I have Marantz tuner &
If all the amps are going into protection mode, then the preamp may be pushing a DC component with the signal. This is a little serious,and should be investigated further. There may be some deterioration in the electronics of the preamp causing this. I would suspect a leaky transistor or bypass/coupling capacitor in the DC coupled output stages. should not be too hard fix for a good HiFi tech.
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Posted on Jul 13, 2008
Based on your post, the pre-amp is doing its job. What might be the mismatch would be the powered speaker system plugged into the output of the Rotel. Depending on what the "powered speaker system" is, it might be that it is a low impedance such as those used in computers whereas the Rotel requires high impedance to be connected to its output. What could be tried is to connect a regular amp or receiver to the Rotel.
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Posted on Nov 05, 2008
Yes, you can connect your NAD as a preamp to the Carver power Amp.
Connect the NAD's pre-out to the input of the Carver Power Amp. You can then connect the Klipsch speaker to the Carver. Set the gain control on the NAD.
Now you should be able to control all the input and the main volume control from the NAD.
Posted on Mar 12, 2009
SOURCE: no audio output - Marantz 2238
This can be as simple as a poor connection somwhere in the voltage regulator circuit or a defective driver transistor or output transistor. In any case, this is a simple repair for any shop that works on vintage receivers. If it is the outputs, that will be the most expensive repair from a parts perspective. The outputs will cost in the $5-$10 range for each one and it could be 2-4 pieces. If you wish to attempt this repair yourself, you will need a multimeter that has a diode checker. Let me know and I'll provide additional details and instructions.
Posted on Apr 06, 2009
my friend has the same problem with an SR 4001. the tech said it was an internal fuse soldered to the board. the display showed an error code that clued in the tech of the problem. I am trying to find the fuse on the board, and trying to get a value(Volts-amps) of the fuse
Posted on Jul 28, 2010
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