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 Post subject: Sorry for the French: SONY MOD-RF1 insides/repair video
PostPosted: 05 Nov 2019, 11:53 
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Might still be interesting just for the visuals!

It shows where a bridge can be moved to change the 100/120/230V input, thermal fuse, and where to get the Service Manual.

https://video.latavernedejohnjohn.fr/videos/watch/e6405e00-3bfa-440a-bec4-3bd47f408381

Service Manual added (see topic Receivers and other equipments that support AC-3RF)

Julien
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 Post subject: Re: Sorry for the French: SONY MOD-RF1 insides/repair video
PostPosted: 26 Aug 2020, 15:34 
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Sony MOD-RF1 with casing removed.


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 Post subject: Re: Sorry for the French: SONY MOD-RF1 insides/repair video
PostPosted: 29 May 2023, 21:08 
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This video was very useful, even though I didn't understand a word.

I recently bought a MOD-RF1 off eBay for 'spares and repair', and found the problem was with the transformer.

Evidently the unit had been subjected to a physical shock at some point, and the hefty transformer had pulled itself apart - the pins remained soldered into the board, but had pulled out of the plastic base, breaking the connections from the pins to the windings, irreparably as far as I could see.

I ended up ordering the exact model of transformer used in the video (a Velleman 209009C, about £6 from Amazon) and installing it. I feel I made a slightly better job of this than the video maker though (if I may say so) in that I managed to use the 'bracket' that he discarded - after some trimming, I got bits of the lugs on each side under the screws that fix the PCB to the chassis, hopefully making the decoder immune to future physical shocks...
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