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How can I fix my Aiwa MX-Z3300M Stereo integrated amplifier?

I have an Aiwa MX-Z3300M amplifier connected to the following pieces of equipment:
FX-WZ7300 cassette deck, TX-Z9300 tuner, DX-Z9300M cd player and a PX-E850 turntable.
2xSX-FZ3300 speakers
My problem is that when I switch the amp. on all I get is a hum from the speakers. The display panel on the amplifier does light up but very faintly at first getting brighter as time goes on. I have managed to get both the turntable & the CD working but as soon as I switch off and back on again the same old problem occurs. Any ideas as to what it could be and how do I fix it, I am reluctant to throw it away without at least trying to repair it.

Ray, Redditch
May 2009

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I own an Aiwa MX-Z3300M amplifier connected to a PX-850 turntable, DX-Z9330 CD player and TX-Z9330 tuner. When I switch the amplifier on the display panel does not light up so nothing works.

Jerome Pratt
December 2014

Following on from my original question re. my faulty amplifier. Earlier last week I happened to glance at another site and found the exact same problem had been asked, the answer given was that it was probably a faulty capacitor. The person whose amp. it was tried the solution and it worked so I thought I would give it a go. I promptly took the amp. apart desoldered the suspect capacitor and soldered a new one in its place, lo and behold after 5yrs my amp now works again. The Capacitor in question was a 33 micro Farad, 50v, 85°, above resistor no R15. It has taken an awful long time to get it fixed but it was well worth the wait. One point, the replacement capacitor is a 105d not an 85 as previous, hopefully it will last longer.

Ray, Redditch
September 2014

cuando prendo el amplificador demora en encender y cuando enciende trabaja pocos minutos y se apaga. ya he cambiado el integrado de salida de audio pero no surge efecto sigue con la misma falla, he revisado la fuente de poder y los elementos estan buenos he cambiado todos los filtros inclucibe los mas grandes y sigue la falla, que podra ser es la pregunta

May 2011

where can i bye a knew aiwa mxz3300m stereo intergrated amplifier

patrick leaberry
January 2011

Same here. the same things happen to me with my amp

June 2009

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