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Frank Guest
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Posted: Wed Oct 17, 2007 10:27 pm Post subject: SONY STRDE325 protect mode |
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Hi guys anybody as any tips for strde235 stereo receiver, it goes in protect mode in seconds after turn on,power supply is ok,i would assume that it may be in the output circuit,i checked volts MN2488 Pin2 collector is 49.70,Pin3 Emitter 1.00(should be 0.00v),Pin1 Base 2.260 (should be 1.170) these values were taken from the big IC ground Sink.all this happened after i did solder the FM antenna RF connector the positive pin to the board which was cracked i solder it to the pin in front next to it,i don't know if i did that correct, also is it normal when i touch the + to the - of the RF connector i have continuity,i know that in some tuners like tv is normal.I allready unsolder the RF connector thinking that i did short + to ground but still on protect mode.any ideas thanks in advance. |
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Guest
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Posted: Wed Oct 17, 2007 10:40 pm Post subject: |
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Its a STRDE325. |
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Guest
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Posted: Thu Oct 18, 2007 9:24 pm Post subject: |
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Anybody has pins out for upc2561? |
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