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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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#1
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adding a line input to a ghetto blaster
i hava a portable stereo that doesn't have "line in" jacks. Is there
anyway to add such jacks and how? TIA |
#2
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adding a line input to a ghetto blaster
Siamak SimKesh wrote:
i hava a portable stereo that doesn't have "line in" jacks. Is there anyway to add such jacks and how? TIA Try connecting your audio in to the high side of the volume control potentiometer. If that sounds OK, put in jacks and a switch. |
#3
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adding a line input to a ghetto blaster
In article ,
Jim Harvey wrote: Siamak SimKesh wrote: i hava a portable stereo that doesn't have "line in" jacks. Is there anyway to add such jacks and how? TIA Try connecting your audio in to the high side of the volume control potentiometer. If that sounds OK, put in jacks and a switch. I once tapped into one at the inputs from the tape head to feed a CD-player into it. (The tape transport was broke, and I hadn't used it in ages anyway) Worked nicely after I dropped a couple attenuating resistors into the mix so it wasn't over-driving the amp. Ran a set of wires to the back, drilled a couple holes, and stuck a pair of RCA plugs on it - plug in, set to tape, punch play, fire up the CD player, The music goes 'round and 'round, and it comes out here. -- Don Bruder - - If your "From:" address isn't on my whitelist, or the subject of the message doesn't contain the exact text "PopperAndShadow" somewhere, any message sent to this address will go in the garbage without my ever knowing it arrived. Sorry... http://www.sonic.net/~dakidd for more info |
#4
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adding a line input to a ghetto blaster
I once tapped into one at the inputs from the tape head
to feed a CD-player into it. Don Bruder It should be noted that that signal will go thru a NAB de-emphisis network. (equalization curve). http://66.102.9.104/images?q=NAB+curve |
#5
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adding a line input to a ghetto blaster
In article .com,
"JeffM" wrote: I once tapped into one at the inputs from the tape head to feed a CD-player into it. Don Bruder It should be noted that that signal will go thru a NAB de-emphisis network. (equalization curve). http://66.102.9.104/images?q=NAB+curve I didn't claim it was "hi-fi" - Just that it worked! With the normal "audio hash" of the environment it was in, I doubt anyone would ever know the difference anyway. It was "good enough for the purpose", at the very least. -- Don Bruder - - If your "From:" address isn't on my whitelist, or the subject of the message doesn't contain the exact text "PopperAndShadow" somewhere, any message sent to this address will go in the garbage without my ever knowing it arrived. Sorry... http://www.sonic.net/~dakidd for more info |
#6
Posted to sci.electronics.repair,sci.electronics.misc
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adding a line input to a ghetto blaster
It should be noted that that signal
will go thru a NAB de-emphisis network. (equalization curve). http://66.102.9.104/images?q=NAB+curve I didn't claim it was "hi-fi" - Just that it worked! It's not like the speakers on a "Getto Blaster" are hi-fi anyway.. You'd probably never know the difference on those cheap speakers they have in them. - Mike |
#7
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adding a line input to a ghetto blaster
On 2006-04-21, Siamak SimKesh wrote:
i hava a portable stereo that doesn't have "line in" jacks. Is there anyway to add such jacks and how? maybe... the easiest way would be one of those casette-shaped things people used to use to connect cd players to car sterios. otherwise you'd need to tap into the circuit near the mode selecttor switch (if it has one) Bye. Jasen |
#8
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adding a line input to a ghetto blaster
Jasen Betts spake thus:
On 2006-04-21, Siamak SimKesh wrote: i hava a portable stereo that doesn't have "line in" jacks. Is there anyway to add such jacks and how? maybe... the easiest way would be one of those casette-shaped things people used to use to connect cd players to car sterios. otherwise you'd need to tap into the circuit near the mode selecttor switch (if it has one) I agree with the poster who suggested tapping the output from the volume control. This part is easy to locate and solder wires to, and is (so far as I know) always more or less at "line" level, being an interstage control. That's where I would do it. -- Pierre, mon ami. Jetez encore un Scientologiste dans le baquet d'acide. - from a posting in alt.religion.scientology titled "France recommends dissolving Scientologists" |
#9
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adding a line input to a ghetto blaster
thank you all for the advice.
-- MB |
#10
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adding a line input to a ghetto blaster
In article ,
Don Bruder wrote: I once tapped into one at the inputs from the tape head to feed a CD-player into it. Not tape head surely as this would have special eq as with vinyl? Tape deck perhaps? -- *You can't have everything, where would you put it?* Dave Plowman London SW To e-mail, change noise into sound. |
#11
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adding a line input to a ghetto blaster
In article YOW1g.51743$7a.6626@pd7tw1no,
Siamak SimKesh wrote: i hava a portable stereo that doesn't have "line in" jacks. Is there anyway to add such jacks and how? Buy a panel mounting break jack type of the size you need. Locate the volume control. Break the PCB track(s) that feeds the centre pin(s) by cutting with a sharp knife and clean either side. Solder suitable lengths of wire to either side of the break(s) If a stereo - hence the (s) - switch on and identify left and right by touching the input wire to the volume control - you'll get a buzz out of the appropriate channel. Referring to the diagram of the jack socket, wire each side to the break contacts. Connect ring to ground. The three connections to a stereo jack are ring (ground) sleeve (right) and tip (left). But before find a suitable place to mount the socket on the case making sure there is clearance behind. Keep it as far away from the mains transformer as possible. You could use miniature co-ax for the connections but in most cases ordinary wire will be just fine. -- *Just give me chocolate and nobody gets hurt Dave Plowman London SW To e-mail, change noise into sound. |
#12
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adding a line input to a ghetto blaster
wrote in message roups.com... In sci.electronics.repair Siamak SimKesh wrote: : i hava a portable stereo that doesn't have "line in" jacks. Is there : anyway to add such jacks and how? : TIA Try using one of those cassette tape adapters that are used for CD players and iPods. b. Or you can use a battery operated FM transmitter too. |
#13
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adding a line input to a ghetto blaster
Robert Nogo wrote: wrote in message roups.com... In sci.electronics.repair Siamak SimKesh wrote: : i hava a portable stereo that doesn't have "line in" jacks. Is there : anyway to add such jacks and how? : TIA Try using one of those cassette tape adapters that are used for CD players and iPods. b. Or you can use a battery operated FM transmitter too. replying to a thread 11 months later? why?! |
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