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Technics SU-Z990 SVI3105A pinout mapping for TDA7294 mod

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szymonstacho

New Member
Hi, I was thinking about replacing my original power ic which was faulty with the TDA7294 but dont know where on the board to solder wires to i was looking for pinout of the original SVI3105 power ic. if anyone would know please reply.
 
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Hi, i decided to unsolder my faulty SVI3105A power ic because it was shorting the amp and i decided to hook up 3 cable left right and ground to the pins where ic was and use a zkmt21 at the external amplifier and use su-z990 as input selector and riaa eq for turntable but when i hooked everything up the amp turns on but is stuck on tape (not tape monitor) and when i try press cd or tuner it shows for split second and turns back to tape and if i turn tape monitor on and try to turn loudness on it turns tape monitor off. Also if i try change the volume or balance nothing on display changes. Any help is appreciated.
 
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