citronix wrote:

IDO agree - its sutch a beautifulsystem. I just got myself a compleate one and first thing is to do the glass - how do you rmove the old without damaging the glass??

Never ever scrape with anything sharp!!!! Just use cleaning petrol for removing gum and other sticky mess from sofas and so on.. Use a lot and let the old tape soak a bit in it, and then rub under hot water with your fingers.. The old tape will roll right of. It might need 2 times or more before you get it off, but have patience. It will come off...

Do do this on both the glass and plastic parts.. The petrol will not harm the glass or paint...

I have done this many times now, and afterwards I just glue the glass and plastic together using either 2 component glue. Lately I have been experimenting with "Pattex 100%" and this is much easier to use. And so far it's just as good as the 2 component glue.

Just make sure to only use a small amount. If you use to much, it will expand up the sides between the glass and plastic sides, and can be seen in some lighting situations.

If you have small scratches in the black paint, use black nail polish..

/weebyx

I managed to find another (minty) Beomaster 4500 on ebay for $120 that was great except for loose glass (that I fixed). Now that I've started using it, I noticed a second problem. I can adjust the bass/treble/loudness just fine, but when I turn it off and on again later it has reverted to the previous settings.

I see the 'STORE' light come on while I'm adjusting, but it doesn't seem to be working. Is this an EEPROM issue? If so, might I be able to take the EEPROM out of my broken 4500 (v1.6?) and put it in this good receiver (with v2.2) and just lose 2 way communication?

It probably is the backup battery instead.. Does it remember clock (need bl5/7000 to check) ?

and what about radio stations ?

You could take the cpu module from the your old unit with 1.6 and put the 2.2 in that, and put this new mixed module in your new unit..

And you did press the store botton after adjusting ? :)

/weebyx

You're right, it's actually fine. I didn't realize the green indicators were buttons too :)

Thanks!

Two more things: I've got the 4500 set up with my refurbished CX100s and they sound great together, and it's pretty compact. Now, I just tried to use other sources besides the 4500 CD and had some issues.

The Beomaster 4500 came with all the cables, including AM and FM antennas, and an AUX cable to convert to RCA inputs. I first tried FM and couldn't get any stations to play even though I live in a big city. AM worked fine and found some stations. Is this a separate module I can potentially swap out with my non-working 4500?

The other thing was I tried connecting the converter cable to the AUX (and TAPE1, CD) inputs and an iPhone. No sound. I'm going to try using a multimeter to check out the DIN to RCA cable, but I'm not sure what pin connects to what. It seems like a cable problem since the CD input works with the Beogram CD 4500.

Thanks in advance, and thanks for all the previous responses!

A couple years ago I went through my 4500 and recorded the job HERE

Hopefully that helps you with the glass panel.

🤒

Sorry, the glass panel part has all been fixed! The most recent issues are that the FM tuner isn't picking up stations (AM works) even with the proper antennas, and the AUX to RCA input doesn't seem to work. I've got a multimeter now so maybe I can debug that issue. As for the FM tuner, I may try swapping the tuner board from my broken 4500 into the working one to see if I can get FM. Thanks for the responses.

ferret30 wrote:

Sorry, the glass panel part has all been fixed! The most recent issues are that the FM tuner isn't picking up stations (AM works) even with the proper antennas, and the AUX to RCA input doesn't seem to work. I've got a multimeter now so maybe I can debug that issue. As for the FM tuner, I may try swapping the tuner board from my broken 4500 into the working one to see if I can get FM. Thanks for the responses.

It is a common problem, that the tuner board dies on the BM35/4500... If it is working in your old unit, just take that one and swap, it is very easy to do. 

1. Remove the glasspanel

2. Remove the 5 screws that holds the top of the unit, located right under the top of the glasspanel

3. Remove AM PCB , remove FM PCB and swap, just some plugs to un-plug on both PCB's

4. Cheer as your new unit works :)

/Weebyx

I lived in Seattle for 7 years, now living in Victoria, BC and I can assure there are NO B&O repair facilities around for vintage products. Trust me on this, I tired!

You appear to be fairly adept with testing your amplifiers, bit if you are in doubt, Rich is right, send it to Benny at Modular Electronics.

I sent him my Beomaster 4500, which is relatively simple to repair as well as my Beomaster 2400, which is more difficult. In both cases the workmanship was SUPERB: everything done properly, no damage to cosmetics, and very polite communications. 🤒

Jeff