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"Dead" Bose Wave Radio model AWR1-1W

Hi,

I have a Bose Wave Radio model AWR1-1W in my shop. Customer installed a new 9V battery (time/memory), but this isn't related to the problem of no display and no operation ("dead"). I have no SM.

The fuse is ok and I measured voltages. "U1" has 20V input and

10V output. I measured -15V on "1" connector of flat flex conductors. I found some info on the web, but "R6" (1 ohm) checks good. I could not find a B-E short on any of the top side PCB SMD transistors. Someone mentioned a SMD transistor B-E short, but that person did not indicate the location or transistor ID!

The audio amp is ok because I got a hum sound at the speaker when I put my meter probe on U400 pin 6.

I have not found a 5V source, but I measured 5.7V at "D601". Note: I did not measure everything (time consuming). I don't have a schematic.

Thanks in advance, Brad

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Reply to
Brad
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It sounds as though you have a Wave Radio series III (there are several Wave Radio versions).

U1 output is correct at +10v.There should be -21v on the -ve side of C11, derived via D1, which is fed from a 21v ac supply, via R6, 1 ohm safety. There should be -8v at the emitter of Q1 (TP13) and -5v at the emitter of Q4 (TP22). There should be a line frequency signal output from the PSU section, at Q3 collector (TP19). This is also derived, initially, from the 21v ac supply.

If you need more help with schematics etc, contact me off group.

Arfa

Reply to
Arfa Daily

**I've said many unkind things about Bose. However, their support, WRT service manuals, is excellent. Contact them.

Trevor Wilson

Reply to
Trevor Wilson

Hello i have a bose AWR1-1W and mOdel is bAWR10HU432655 its completely dead and i found one resistor open and i replaced it now voltages are there on board but still i can see nothing on display, i pressed on/off switch but still its nothing only thing i am getting is a echo noise when i unplug it if ou have something please let me know about this issue thanks Jerry

Reply to
jerry0183

*** Really ??

Bose Australia used to be were quite hostile to any outsiders do " This manual contains information proprietary with BOSE and should not be distributed to unauthorised persons without the written consent of BOSE Corporation".

Spare parts were a real hassle too cos all the semis had secret Bose part numbers stamped on them. However, they did sell 4 inch drivers to almost anyone.

Bose also kept up a pretence that their products were all covered by patents, copyright and trademarks - plus every goofy name their marketing dudes dreamt up was followed by "TM". Wot a load of puke.

BTW; Did Bose Corporation *ever* actually manufacture anything ??

I know their 4 inch drivers and speaker enclosures - along with power amplifiers, mixers and powered mixers plus the many infamous Bose EQs were all made by subcontractors. The only one I was able to track down was BGW making the Bose 1800 mkIV.

... Phil

.... Phil

Reply to
Phil Allison

Arfa: Could I impose on you to provide a copy of the AWR1-1W Series 2? I know the 5v is missing (Cannot find it anywhere) but I also do not find a 5v regulator either. Same no display and a burst of sound when the unit is unplugged.

Reply to
brian.street.102

find

a
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.

Like to ad a problem of my own. I'm a retired electronic tech (30+years) bu t have forgotten everything I knew about radios, AM/FM/SSB. A friend has me looking at her Bose Wave, model AWr1-1W. All it puts out is an annoying loud buzz.Volume control do nothing. Even the power switch is useless. I did open it up, looked for loose connections, broken or burnt co mponents, etc. Blew all the dust and dead bugs out. Is it even worth repairing? Any idea as to the problem? Thanks in advance.

Reply to
jollymon1953

Not sure if it will help but electrotanya has one of them.

formatting link

Now listen, when you go to that site do not click any pictures, they all le ad to junk. What you want is right under the picture on the left. It says " processing" and it makes you wait a minute or something like that. The word changes to "download". Click that and nothing else.

It used to change to "Get manual" but apparently they decided to change it.

Reply to
jurb6006

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