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Technics sl-ch530 volume problem

When i play a cd the volume is very low but tape and radio is fine

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  • neatneatneat Mar 18, 2008

    now its just come on as normal will it go again I think so.

    What can I do to sort it.

  • Scoorpy May 28, 2008

    Hello. I have a similar problem with the sl-ch530: radio and tape are ok, but none cd audio. All cd control funtions work properly, but no sound! Any help?

  • iturina Dec 01, 2008

    Hello. I have a problem with the sl-ch530: radio and tape are ok, but none cd audio. All cd control funtions work properly, but no sound! Any help?

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SOURCE: My Technics SL-DV290 stereo has

This means that the unit can tell that a disc is present, but can not read it. Try opening up the top and cleaning the lens using a cotton swab and alcohol. Let us know if that resolves the problem.
Thanks,
Dan

Posted on Apr 02, 2008

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Technics sl eh750


if your device is on top of a speaker cabinet with all that this may causing intermittent and more when you turn up the volume, change the speakers elsewhere if still the problem may be the rotation or displacement engines and finally the lasser .

Sep 07, 2013 | Audio & Video Receivers

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Hello i need help please..... I have a Technics SU-Z550 and SH-8055 Graphic Equalizer My amp has lost power... lots.! its working one channel louder than the other but the one which is louder still has...


If the same channel is dead on the EQ as is dead on the amp there may be a correlation.

Let's break this into its two parts.

1) SU-Z550: You don't say WHAT source(s) you tried to use on the CD/AUX, TUner and PHONO inputs. The external device itself could be the source of the low volume. Try swapping the Left and Right cables to see if it follows the source channel or stays with the amplifier channel.

Check the controls on the amp to make sure you understand each one's effect on the sound.

"PHONO" is literal and exclusively FOR A TURNTABLE - NOTHING ELSE - EVER.

2) SH-8055: Equalizers don't 'boost' sound, they modify its levels at various frequencies. To do that they should be connected into a Tape loop on your amp. OUTs go to IN's. Then you select the Tape Loop on the amp and that inserts the EQ into the signal path of whatever source you're listening to. It's actions are BEFORE any other amplifier controls such as volume, tone and balance. The EQ itself also has a Tape Loop to replace the one it occupies. Make sure it is not enabled unless you have a Tape Deck on it to use. Choose "SOURCE". The blue LED display is to show you frequencies are present in the program material.

Set all of its lighted band controls at midpoint prior to declaring it defective. EQ is like any spice - a little is good, a lot ruins the recipe.

Mar 21, 2011 | Technics Audio & Video Receivers

1 Answer

How do I link my technics ge 70 graphic equaliser to my technics cd player sl-pd7a and my technics md player sj-md100 with phono rca leads . Thank you Simon


It would help to know what other electronics (receiver, maybe?) is involved.

If neither of those devices is a recorder, why do you need to connect them to the EQ when your receiver/preamp may have the facilities to connect the two playback devices directly; and the EQ in a Tape Loop?

Scenario A)

Assuming you REALLY want to have the CD and MD input through the EQ because you can't attach them any other way...

CD audio OUT to Line In; MD audio OUT to Playback;

EQ LINE OUT to whatever analog electronic inout you have in mind.

To hear and Equalize the CD set the Input Selector to Source, EQ REC button OFF; to hear the MD equalized set the Input Selector to Tape, EQ REC button OFF.

====

Scenario B:

You have a receiver with only ONE Line Level Aux input and a Tape Loop.

Insert the EQ in the Tape Loop. Attach one of the disc players to AUX and the other to the TAPE conenctions on the EQ.

====

Scenario C

You have a Home Theater System or Audio Vido Reciever.

The following is some boilerplate I made up that should explain some usage limitations.


Be advised that the engagement of any device in a Tape Monitor loop on a late-model Audio/Video Receiver will effectively tie the receiver down to stereo-only analog sound reproduction. I'll explain.


The connections themselves are fairly simple but it pays to understand what happens in the loop.


In general, any Line-Level external processor (EQ, dynamic range expander, etc) will go into a Tape Monitor loop on a receiver. A Tape Monitor, when engaged, sends the stereo analog signal Out to the Processor, massages it and returns it to the receiver via the Tape Monitor IN connectors to be passed on to the receiver's internal processes (volume, tone, whatever).


Old school analog stereo-only receivers consistently work this way. Newer digital and audio/video receivers introduce a couple of problems: 1) digital sound processing to simulate a variety of soundfields; 2) multiple output channels, either discrete or digitally-generated.


The latter requires that whatever signal is being processed experiences a maximum of one analog-digital-analog conversion.


EVERYTHING analog coming into the modern digital receiver is automatically converted to a digital signal for internal processing unless you choose a STEREO-only or STEREO-Direct setting. Consequently, no further external analog-digital conversions would be allowed if, say, a Tape Monitor circuit was activated, and a possible feedback loop could otherwise be created in a digital-sourced selection (output to its own input), so the unit is wired to treat the Tape Monitor as the first analog step in the process and defeats any pure digital sources.


In a multichannel unit, what would happen to the other channels if you sent ONLY the Front Left & Right out for processing? They would NOT be processed. That logical problem also plays into the decision to defeat digital sources if the Tape Monitor is activated. I don't totally agree with the engineers but that's the way it is. Nature of the digital beast.


Okay, back to the hook-up:


Receiver Tape Out (Rec) - to the External Processor (EQ, whatever) Preamp-, Rec, Line-In;


Receiver Tape In (Play) - from the External Processor (EQ, whatever) Preamp-, Play , Line-Out.


So, to sum up, you can only use the EQ or any outboard processor for analog stereo sources. If you actually want to use an analog recording deck you could place it within the typical Equalizer

Feb 01, 2011 | Technics Audio & Video Receivers

2 Answers

The receiver is muted when playing in tuner or cd the volume is not coming through the speakers. We can hear it muted when turning up to max its very low. Lost instruction manual can you help. I think my...


I can't find a manual either. Can I assume you really mean the sound is muted for EVERY source, not just tuner and CD?

I'd guess it's either MUTED or a Tape Monitor is active. Turn the volume down, select FM as the source, tune a station and use it as your test source. Look around for indicators that give a clue.

NEVER troubleshoot anything with the volume control turned way up. You'll blow up or damage the speakers and your hearing right after you discover and correct the misplaced control.

Aug 15, 2010 | Nakamichi AV-2 Receiver

1 Answer

Technics SA GX910 ... powers up fine, meters and displays fine ... no sound (already checked jumpers, tape moniter, mute) light on volume control not on and headphones don't work


there is a problem in the low voltage power supply internally,or the speaker protection has kicked in.
unplug all speaker wires,and if the amp comes on,there is a shorted speaker wire somewhere.

Aug 15, 2009 | Technics Audio & Video Receivers

1 Answer

Technics turntable plays but no sound with Sherwood receiver


The problem is the fact that the new receiver has no phono input. The phono input has an extra stage of amplification built in. Your receiver is working fine. You need to purchase a phono pre-amp. These run around $20. Connect the turntable to the preamp and the presmp output to any line level input on your new receiver and everything will work as expected.

Dan

Apr 12, 2009 | Sherwood RX-4103 Receiver

1 Answer

DEAD LEFT CHANNEL!!


The most common problem is a dirty record<>play switch inside the unit. Try this: Using a blank tape, press and release record/play buttons several times. This can clean the switch a bit. Then play a tape. If it fixes the problem, then you need to take the unit apart and use a plastic safe spray cleaner on the switch (Check at Radio Shack, their tuner cleaner Catalog #: 64-4315 will work fine). Spray it into the switch and then work the switch with the buttons several times.

Hope that helps...

Geno

Apr 04, 2008 | Audio & Video Receivers

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