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Parts help needed PLEASE! Sansui SX-700 Amplifier/Tuner

Hi, I have one of the above units, which apparently needs an amplifier circuit board for the left channel which was damaged when hooked up incorrectly.

I'm no stereo or electronics buff, in fact am quite ignorant. All I know is the amp is not going, a local repairs shop said I needed a circuit board but would be impossible to find. I love the sound, would love to be able to repair it, but am kinda stuck.

I am from New Zealand, and would appreciate any help or advice.

Thanks kindly,

Richard.

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These boards won't be available any more, but the board should be repairable. Unfortunately most shops these days only replace boards they do not perform compoent level repairs. I don't know of any repair shops in your area since I'm in the USA. Try posting a question to Robotek who resides in Australia. I know thats no too close, but it is closer than me. Otherwise, search the web for a service manual as will I. This can be repaired. I suspect that the output transistors are shorted and perhaps the driver circuit needs repair as well. None of these areas are difficult to repair for anyone with audio repair experience at the component level. Perhaps we can repair this over the net if you can solder...

Dan

Posted on Aug 29, 2008

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Posted on Jan 02, 2017

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