Question about Technics Audio Players & Recorders
The first thing to do is to double check that the speaker wires are properly connected.
This type of system has seperate outputs for the highs and the lows. If my memory serves me right, you have color coded speaker wires that are red/black, blue/black, and maybe grey/black as well.
Make sure the red on the receiver goes to the red on the speaker on so on.
One other thing you can try, but usually does not help with this problem, is to unplug the unit from the wall for about an hour. Then plug it back in and turn it on. This resets the microprocessor.
If the highs are out, you probably have an electrical problem in the amp. It has different amp IC's for the highs and the lows. meaning one IC is for highs and another one is for the lows. They also have a relay that activates to turn on the speakers. sometimes you can have a bad amp IC causing the problem, other times you may have a bad relay or a bad transistor or diode that turns on the relay. There are other problems that can cause this as well.
If you have checked the speaker connections and made sure they are properly connected, you really do not have any other option unless you have the proper equipment and troubleshooting skills as well as the schematics to figure where the real problem is.
Sorry for the not so good news, but I work at an authorized Technics repair center for over 17 years and have repaired many of these type of problems.
This one sounds like it needs professional help.
A typical repair for an amp problem can cost as much as $200 or more because the amp IC's in these units are very costly.
If the problem is not an amp IC, it may only cost about $100, it just depends on exactly what components are faulty.
The good news is that Technics makes a pretty good product. They are a subsidiary of Panasonic and it is the high-end products for them. The Panasonic home stereo systems are not up to the same standard as the Technics. They have many more common problems, which is a sign of poor engineering.
If I can be of more help please let me know. Good luck with this one.
Posted on Jun 21, 2008
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Posted on Jan 02, 2017
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