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Marantz model 2225

How to replace bulb lights on my reciever?

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I presume you have taken the unit apart? Most receivers of this vintage had replaceable lamps, the trick was getting to them!
Some were held in place by glue, some were in rubber grommets, some were held by clips. Some of the lamps had wire leads and have to be unsoldered, some look like fuses (long thin glass tubes). Best to see what the replacement lamps look like first and them you will get an idea of what to look for when going th replace them.
Mister Phil

Posted on Apr 09, 2008

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Posted on Jan 02, 2017

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Marantz PM7200 Amplifier, wont switch on, no power light. Changed the plug fuse, checked the fuse inside, looks ok but not got a spare to change it.


You can check the fuse with a battery and a bulb. Take the fuse out and use it to make a circuit with some wire, the battery and bulb. If the bulb doesn't light it has gone.
Apart from that other things to check are the power switch, to see if it works and the transformer.
It might be worth buying a cheap Ohm meter, if you haven't got one. You can check most of the parts in the power supply with it. By the way if the fuse has blown, buy a few as you might find it could blow again when you try it again. If it does you are looking at a device (such as a transistor) that as shorted and acting like it was a piece of wire. Which is easily found with an Ohm Meter!

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1 Answer

Need voltage level on dial lamps for a Mitsubishi DA-C20 PreAmp.


I don't have one here to verify, so the easiest way to determine this is to actually measure it using a volt meter. These "fuse type" bulbs are readily available from mcmelectonics.com (and others too). Follow either the wires or the traces for these bulbs on the board. Some units have 2 in series. These are either 6,8 or 12V bulbs. If memory serves me correctly, most mitsubishi units use 12V bulbs.


Keep us posted.

Dan

Apr 03, 2009 | Audio Players & Recorders

1 Answer

No blue face lite


I am not familiar with your particular model, but Marantz used different bulb styles in different models. Some use fuise style others use soldered in types. You should be able to see the bulb type by removing the top cover. I'll research this a bit and update this.

Dan

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1 Answer

Radio channel coming through on cd zone


Sounds like an internal prob within the reciever, since recievers have radio tuners in em, maybe a prob in the input switching in it. I assume you are running unbalanced rca cables out of the dvd player into the reciever as it probably doesn't have balanced input capability, unbalanced lines are susceptible to R.F.I. ( radio frequency interference ) but I doubt if that's the problem here unless maybe you are running very long cable lengths from the dvd player to the reciever. Try using a different input and see if the problems still there, can use any input other than phonograph really as they are all line level inputs.

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Marantz 2225


By wrapping a flat blade screwdriver witha towel and gently prying upward I removed the nobs. Now on to the next challenge. Thank you for allowing me to post. The project is not finished. May need other help.

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Unit probably uses fuse type lamps, either 8 or 12 volt filament. Remove one of the lamps and look for voltage rating on end cap. You can order these lamps from Allied Electronics or MCM Electronics online

Jun 06, 2008 | Marantz Audio Players & Recorders

1 Answer

1974 marantz model 2325 reciever and want to hook up a powered subwoofer ?


Hi jdwoomer

BEST WAY
Your amp has PreOut and Main In RCA connectors on the rear, you could make up an adaptor cable (or buy one) to split the post vol control signal at this point, and then use line level from here to drive the sub.

OR

Most powered subs have a speaker "high level" input, where the sub "sniffs" off signal from your speaker output. When setup like this the speakers and amp connect to the back of the Sub.

Either way, you can do it... Marantz were making nice gear back then... a collectable these days :) Any questions, I am here to help.

regards
robotek

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