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Lights failed on technics power amp - Technics Audio Players & Recorders

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Which lights ?
panel lights or power led light!

Posted on Jan 02, 2016

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Technics SL-D33 Channel drop.


There's nothing wrong with the turntable then. It's your receiver that's the problem. In order to hear a magnetic cartridge it has to go via a pre-amp. It's this pre-amp that has failed in your receiver. It's only used by a turntable so wouldn't affect anything else. You should be able to trace this pre-amp by following the turntable socket wires. It will probably be a small IC that has failed. If you look up the number you should find it.

Nov 30, 2013 | Technics Audio Players & Recorders

1 Answer

There is power going through my technics 1210,but the platter & strobe light still will not work


how do you know theres power to the unit if theirs no strobe light pitch adjuster light & the platter doesn't spin?
the power comes in & to the transformer first,then through the strobe switch, the transformer is what blows when you short the target light out.....i've seen this many a time when people try & change the target lights to blue neon.

Mar 04, 2013 | Technics SL-1210 Turntable

1 Answer

Amp won't power on


It sound like the main power amp has failed. Look at whatever is on the big heatsink as to the cause. As with any device from "friends" it could be that someone has tried to fix a fault and made a mess. So look carefully at the soldering to any of it's parts.

Jan 03, 2013 | Technics Audio Players & Recorders

1 Answer

What could cause intermittent no power to amplifier relay (RLY551) in Technics SU-V96?


Check the relay control transistors. Check the voltage at the collector and base of this transistor. Download the service manual to your device to get more details.

May 26, 2012 | Technics Audio Players & Recorders

1 Answer

I wired my technics 1210 turntable up to my usual audio set up and although it shows itself to be working, there's no sound coming from the speakers. Can anyone shed light on this?


First put your finger on the audio imputs for the deck in your amp. They should buzz with the amp switched on. If you can't get them to buzz, then the magnetic cartridge pre-amp in your amp has failed. If they do buzz. Take the wires to the cartridge off (make a note of where each one fits). Then with the amp powered up and deck plugged into it. Touch each wire one at a time with your finger. You should hear a buzz on two wires (one on the left one on the right) and nothing (much anyway) on the other two. If you don't hear any buzz there's something wrong with the connection cables to the amp. If you do hear the buzz, then the cartridge is dead.

Feb 15, 2011 | Technics SL-1210 Turntable

1 Answer

Technics 1200 turntable - no power Musical Fidelity AMP - no power


Technics 1200 - if the mains cord connectors and fuses are ok - it could be the power switch - when you rotate the switch do any lights come on? If it is just no rotation of the turntable platter then it could be the motor controller IC.

There is an internal regulator - often the associated zener and transistor fail.

Please rate this as a genuine cure - I know these inside out and with a bit more information I can give you a solution.

Mar 19, 2008 | Audio Players & Recorders

1 Answer

Technics SH-AC300 Connection to Power Amp & Pre-Amp


Hi!
The problem is, that your SH-AC300 needs an amp with 5.1 input (but no decoder). For this purpose technics delivered SA-AX710.
So if you'd like to use your current equipment it would be impossible.
The only option is for you to buy 2 more Power Amps (SE-A900S), so that each of 3 amps would take care for one part of music. (one for FL, FR; one for RL, RR; and one for sub and center).
Another option is for you to buy SA-AX710. Then all the problems would be solved with it.

Jan 15, 2008 | Technics SA-DX950 Receiver

2 Answers

Problems with the Operation circuit on Technics SU-A900 MKII aplifier.


Hi There Cushy,

The Amp needs Power.....and if the power switch is turned on and the light doesnt come on then there is no power....

Have a good look around the back of the amp and see if you can find a fuse please...

Its a small circular plastic item labelled "FUSE" with a screwdriver slot in it..

Turn the power off at the wall socket then unscrew this fuse holder, the glass / ceramic fuse will come out,,, replace it with one of the same physical size and of the same rating probably 1.5Amp.

Turn the amp back on and it should go if not then there is a major failure inside the case.....Needs a serice call Im afraid....

Cheers From YUBEUT

Nov 17, 2007 | Audio Players & Recorders

1 Answer

Technics SA-DA10 Receiver-no sound


Most of these problems are rooted in a failed power amp module.
I'm working on an older technics unit but with the same troubles.

Aug 08, 2007 | Technics SA-DA10 Receiver

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