Saturday, July 20, 2013

how to revive a sylvania reflex circuit transistor radio

to get inside you need to remove the back cover of the radio. this is also how you'd open it up to replace the battery. many old transistor radio are setup like this were you pry open a lid to get inside. once inside you will find the circuit board (chassis) and the schematic.

note the battery holder. is it corroded from an old battery left in it? if it is, replacements can be found online. radio shack used to carry 9v clip on terminals but i'm not sure if they still do.

the circuit board is held in the plastic housing by 1/4" hex head bolts. note the two i'm pointing at in pic 4. you will be removing those two and the two on the right edge near the battery connector. no need to remove the remaining two as all they do is hold the tuning capacitor in place.

once the screws are out, you can carefully lift the board out. be careful with the speaker leads.


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