Electronics circuit repair in Berkshire?
04 July 2005, 08:47 AM
#1
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Electronics circuit repair in Berkshire?
Hi,
[Mods- this isn't about computers and even though it mentions motorbikes it's not really about them either .... :-) ]
I have an electronic rev counter in an old Italian motorcycle I'm doing up for a mate (Moto Morini if you're interested but that bits irrelevant to the query ..). The problem is that it doesn't work. Taking it apart it would appear that a previous owner has had a *go* at it ....... Now as my electronics knowledge is about zilch I was going to get someone to have a look at it. BUT these days it seems that even the TV repair shops just replace whole boards rather than fix them.
Trouble is you can't replace this board and the IC chip on it is obselete with no pin compatible replacements apparently. I have two choices a) replace the innards with a Jap rev counter (should be quite easy) or b) find somebody who can fix electronic boards.
Does anyone kow of someone like that in the Berks area (I'm near Reading)? I di actually have the circuit diagram with it to help plus a description of what does what ... which should help!
Thanks in advance
Dave
[Mods- this isn't about computers and even though it mentions motorbikes it's not really about them either .... :-) ]
I have an electronic rev counter in an old Italian motorcycle I'm doing up for a mate (Moto Morini if you're interested but that bits irrelevant to the query ..). The problem is that it doesn't work. Taking it apart it would appear that a previous owner has had a *go* at it ....... Now as my electronics knowledge is about zilch I was going to get someone to have a look at it. BUT these days it seems that even the TV repair shops just replace whole boards rather than fix them.
Trouble is you can't replace this board and the IC chip on it is obselete with no pin compatible replacements apparently. I have two choices a) replace the innards with a Jap rev counter (should be quite easy) or b) find somebody who can fix electronic boards.
Does anyone kow of someone like that in the Berks area (I'm near Reading)? I di actually have the circuit diagram with it to help plus a description of what does what ... which should help!
Thanks in advance
Dave
Last edited by hutton_d; 04 July 2005 at 08:48 AM. Reason: Better title ..... :-)
04 July 2005, 09:44 AM
#2
There are many factors which will decide if it is repairable by a local repair shop. Firstly you say the owner has had a go at repairing the board, if he has damage the print only, then with care it should be repairable. The components, if common run of the mill parts should be available unless obsolete in supply. However if these components( integrated circuits) are dedicated to this bike/speedo then it will be virtually impossible to get it repaired. The option of replacing it with a japanese circuit would be the best option.
Andy
Andy
04 July 2005, 11:09 AM
#5
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It's an ITT frequency/voltage convertor (according to the description I have).
Thye markings on the chip are 'ITT', 'Z06' and 'SAK B0'.
Others in the Morini world have looked with no success but if you can tell me otherwise you'd be a hero in my lunchtime ....
Cheers
Dave
Thye markings on the chip are 'ITT', 'Z06' and 'SAK B0'.
Others in the Morini world have looked with no success but if you can tell me otherwise you'd be a hero in my lunchtime ....
Cheers
Dave
04 July 2005, 09:53 PM
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I'm afraid I think you're stuck on this one; ITT is now apparently part of Micronas, but they now make complex audio & video ICs. I can't even find a data sheet, much less a supplier, and given its age I'd be surprised if it were still available even as surplus stock.
If you have any further information about it then I'll take another look, but replacing the innards of the gauge with a more modern equivalent looks like your best bet.
F/V converters definitely do still exist, though, but you'd still need the services of an electronic engineer to work out how to replace the old device with a different new one.
If you have any further information about it then I'll take another look, but replacing the innards of the gauge with a more modern equivalent looks like your best bet.
F/V converters definitely do still exist, though, but you'd still need the services of an electronic engineer to work out how to replace the old device with a different new one.
04 July 2005, 10:31 PM
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Hey thanks AndyC. No more info. than that. I have seen other F/V convertors but they're not pin compatible. As far as this rev. counter goes I was just hoping someone could take a look, check out what is there and, IF the IC was fine, then get it going again. Just seems that the old TV repair man that actually fixed things is no more ...
Ho hum ...
Dave
Ho hum ...
Dave
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04 July 2005, 10:40 PM
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Try Jones Radio on the Oxford Road. Roughly opposite where the road peels left to go into Bedford Road. (Haven't been in there for years but it looks a total time warp)
D
D
05 July 2005, 04:49 PM
#9
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That was about the only place I found that *may* do it. BUT, and this is just typical of my luck in general (!!!), the guy there was going on holiday and he didn't know if his mate would do it. Could I come back on Tuesday .... aaarrrgggghhhhhh .....................
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