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Have a casio AP-60R power light comes on but appears no power to rest of keyboard anywhere all fuses seem ok is it the battery daughter needs it for uni help please

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I have a Aiwa cassette receiver AF3090 when its plugged in everything lights up but no sound comes out I just wondered if I need to change the fuses. if so what type of fuse or if its broke??

If you are talking about power supply mains fuse - then it must be ok, since lights are coming up. Is there a pop through speakers when turned on?

Nov 14, 2013 | Audio Players & Recorders

2 Answers

Dead receiver/amp.No sound no dial lights. Voltage ok at wall outlet, present at back of amp, but not at auxiliary built-in AC outlet on case of amp. All 4 fuses OK. On/Off switch seem OK. What is the...

the power transformer may have blown the primary winding causing no power for the secondary windings witch means that the main power board has no power

Mar 06, 2011 | Onkyo TX-SR501 Receiver

1 Answer

Stopped being able to power on. cord is still supplying power and fuse seems to be ok. keeps clicking on and off and no lights come on when main power is on.

hello, there's a few things that could be wrong 1/ some of the capacitors could cause trouble /2 transistor could have shorted out or leaking and 3/ just be a case of dry jonts


Nov 22, 2010 | B&K AVR-305 Receiver

1 Answer

No right channel output after fuse blow out

Sounds like the power transistor(s) on that channel burned out. Needs service.

May 04, 2009 | Audio Players & Recorders

1 Answer

Casio WK 3200 keyboard makes funny noise

removed batteries, reinstalled them, resetting keyboard, problem solved

Jan 08, 2009 | Audio Players & Recorders

3 Answers

Display gone, no longer functioning

Green light but no display- most likely main transformer is gone (60%), 35%- blown main fuse, 5%- bad display or power supply. You are lucky if unit is still under warranty. Solution- repair shop.

Dec 31, 2008 | Denon AVR-2807 Receiver

1 Answer

Dial lights up, all control functions O.K. bou no sound.

Hello: Thanks for your feedback. I was surprised that the type of unit and manufacturer did not appear with the request for help, because without that information it made no
sense. However I did resolve the problem by experimenting with the controls and connections on the unit. Just got it.
Thanks again....

Sep 01, 2008 | Audio Players & Recorders

1 Answer

Casio keyboard CTK 496, everything lights up on display, but no sound.

set power mode switch to normal position- use main volume to increase the volume-if the power mode switch is in casio chord or fingerred position-switch power mode switch to normal

Jul 04, 2008 | Audio Players & Recorders

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