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Technics SA-DA10 Receiver Transistors - Solutions 8
also incuding the driver stage on one or both of the sound channels most likely has shorted output devices. This can be either output transistors, or output IC's depending on the design. When this type of short occures, usualy the driver transistors or driver IC's, and other support components more...
Technics SA-DA10 Receiver - Troubleshooting
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the headphone jack and play the source . If you still no sound with headphones you at least now know that the output transistors are not the problem or the only problem.The power amp., section are defected also.Message whatever happens. more...
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repair TVs occasionaly, I do understand about the high voltage capacitors and I know they are being charged, I've checked all the out put transistors Both ways, in and out of the heatsink. I pulled side A driver board apart and started checking resistance on ceramic resistors There is more...
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any experience with repair work? There measurements that need to be taken inside that can be dangerous. If you can, check for shorted output transistors first. That is the most common failure. ALso, there are some other common problems that I will detail later after looking the specifics up. more...
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Hi sabackdoc Ok, it is probably not an easy fix for a layman. It may have blown output transistors, or power supply failure. As to whether it is economic depends on what has actually failed. But if it is output transistors failed, more...
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mv approx on good,("a" channel),and approx 0.5mv/also across test points,0.53v approx 9good ch),and 0.483 v approx.(at this point have removed output transitors,drivers,and all other transistors in bad channel--note u200/u202 have been proven to be in order/not failed.same with diodes/zeners. more...
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amp supply lead and this would turn the amp on. It was a simple circuit in the amp that only used one or two transistors. You may need to build this circuit or find a manufacturer of a similiar circuit. In the short run, you can use a small more...
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