Technics SU-CH7 Amp problems

Thread Starter

Julian Belmonte

Joined Apr 25, 2015
4
Hi there

I have an old intergated Technics stereo I've been wanting to make work on and off for years. It's the amp thats not be working. When I turn the whole thing on all the other units work apart from the amp which remains on standby with the little red light on. I've checked as many fuses as I can see inside. Can anyone make any suggestions as I'd like to make it work if I can as I love reserecting stuff.

Thank you

Julian
 

MrChips

Joined Oct 2, 2009
19,159
Let us see what we have to work with it terms of your tools, test equipment, knowledge and background.

What of the following do you possess:

1) DMM
2) oscilloscope and probes
3) an audio signal (or function) generator
4) source of music, e.g. mp3 player
5) playback amplifier, e.g. amplified PC speakers
6) set of hand tools
7) soldering iron
8) desoldering tools, solder wick, solder sucker
9) collection of electronic components such as assorted resistors and capacitors
10) digital camera
11) means and methods of uploading clear sharp photos to AAC forum
12) basic knowledge of electronic circuit schematics

That should do for now.
 

Thread Starter

Julian Belmonte

Joined Apr 25, 2015
4
Hi!

Ok numbers 1-3 no,
numbers 4-8 yes,
9 no,
10,11 yes
and 12 I know someone who is.

Not very good am I!

Thank you Mr chips
 

crutschow

Joined Mar 14, 2008
23,155
If you want to start off cheap you can get a DMM from Harbor Freight (sometimes they offer a free coupon for one).
That's all you need for your troubleshooting.
 

Thread Starter

Julian Belmonte

Joined Apr 25, 2015
4
Ok thanks. I've a friend who has a multimeter. I'll ask him if I can use it. Will this be a start to find out which component is the problem ?

Thank you
 

#12

Joined Nov 30, 2010
18,076
Ok thanks. I've a friend who has a multimeter. I'll ask him if I can use it. Will this be a start to find out which component is the problem ?

Thank you
No, just storing nuts for winter. We are going to have you measure voltages with a piece of string. :rolleyes:
 
Top