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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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Using a cheap Din Car Head Unit with HiFi Amp
Hi All,
Ive recently purchased a cheap Chinese Head unit (Tuner, USB, Aux, Bluetooth) from the bay of the flea which I was intending to use in my daughters car. However, Id like to add the above functions to the shed HiFi and this seems like a very cheap way to do it. The enclosed instructions arent much use, so I thought Id tap the hive mind of uk diy. The unit has 4 RCA sockets on the back (in addition to the standard Din power and speaker sockets), it claims these are two rear outputs and 2 rear outputs. I suspect its actually 2 front and 2 rear. It also claims to want 12V power and to use a maximum of 15A. IF I connect a relatively low output 12V bench supply (1 or 2 A from memory). And dont connect any speakers, but just use 2 of the RCAs to feed the stereo input of a HiFi amp. 1. Is anything likely to go up in smoke? 2. Is it likely to work? 3. Does anyone make a ready made case i coIll put it in and if so, what search term should I enter? TIA Chris |
#2
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Using a cheap Din Car Head Unit with HiFi Amp
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#3
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Using a cheap Din Car Head Unit with HiFi Amp
On 06/02/2020 16:50, The Natural Philosopher wrote:
On 06/02/2020 16:36, wrote: yerrs 3. Does anyone make a ready made case i coIll put it in and if so, what search term should I enter? No idea Hey, this *is* DIY! |
#4
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Using a cheap Din Car Head Unit with HiFi Amp
Indeed it is DIY, but Im short of tuits.
But I have thought, I could get a second hand centre console from some car. Ill have to think which one. |
#5
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Using a cheap Din Car Head Unit with HiFi Amp
On Thursday, 6 February 2020 17:52:24 UTC, wrote:
But I have thought, I could get a second hand centre console from some car. Ill have to think which one. This sort of bracket would do for under-shelf mounting, or possibly even turn it upside down https://www.ebay.co.uk/i/292179563942 |
#7
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Using a cheap Din Car Head Unit with HiFi Amp
wrote:
The unit has 4 RCA sockets on the back (in addition to the standard Din power and speaker sockets), it claims these are two rear outputs and 2 rear outputs. I suspect its actually 2 front and 2 rear. It also claims to want 12V power and to use a maximum of 15A. IF I connect a relatively low output 12V bench supply (1 or 2 A from memory). And dont connect any speakers, but just use 2 of the RCAs to feed the stereo input of a HiFi amp. 1. Is anything likely to go up in smoke? 2. Is it likely to work? My guess is it's probably OK - they must have thought about flat-battery-day where the battery can't provide enough amps without the voltage sagging badly. However if you want a high current 12V PSU, get yourself a PS3 power supply from ebay for under a tenner. Go up to 32A fanless: https://www.psdevwiki.com/ps3/Power_Supply Not sure about the best enclosure - I'm sure I've seen instrument cases with a bezel on the front roughly the same size as a DIN slot, but possibly not quite right. Make something out of wood? Theo |
#8
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Using a cheap Din Car Head Unit with HiFi Amp
Thanks for all the replies guys.
Ive done a little lateral thinking, and I think I should be able to pick up a scrap desktop PC with functioning PSU for next to nothing. A little mollification, And I should be able to slot the head unit in the front of it, and the record deck will sit on top 11::^*)) |
#9
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Using a cheap Din Car Head Unit with HiFi Amp
Hi Brian,
It does have some English data, including where to put earth, permanent live and switched live. Im hoping thats all Ill need apart from RCA out, and that it wont take much to set it up each time the power is turned on (dont have a permanent supply to the shed at present). Hopefully if it has the option of a PIN, its not mandatory (hopefully they would have included some instructions if it did). I recently bought a second hand Sony CD Head Unit for the car, and that just worked (aside of the fact it was initially in demo mode Which included LOOK, I CAN FLASH ALL MY LEDS (IN CONTRASTING COLOURS) IN TIME WITH THE MUSIC!! |
#10
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Using a cheap Din Car Head Unit with HiFi Amp
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#11
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Using a cheap Din Car Head Unit with HiFi Amp
Hi Brian,
I dont think I need to do the stuff with capacitors, but can you expand on where you would have used them? And what you would hope to gain? (Not suggesting you are wrong, just seeking to learn). TIA Chris |
#12
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Using a cheap Din Car Head Unit with HiFi Amp
On Sat, 08 Feb 2020 12:22:06 +0000, The Natural Philosopher wrote:
On 08/02/2020 11:40, wrote: Thanks for all the replies guys. Ive done a little lateral thinking, and I think I should be able to pick up a scrap desktop PC with functioning PSU for next to nothing. A little mollification, And I should be able to slot the head unit in the front of it, and the record deck will sit on top 11::^*)) Be aware that the PSU may not work without a dummy load on the 5V And a jumper to 'power good'. -- My posts are my copyright and if @diy_forums or Home Owners' Hub wish to copy them they can pay me £1 a message. Use the BIG mirror service in the UK: http://www.mirrorservice.org *lightning surge protection* - a w_tom conductor |
#13
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Using a cheap Din Car Head Unit with HiFi Amp
In article ,
The Natural Philosopher wrote: On 08/02/2020 11:40, wrote: Thanks for all the replies guys. Ive done a little lateral thinking, and I think I should be able to pick up a scrap desktop PC with functioning PSU for next to nothing. A little mollification, And I should be able to slot the head unit in the front of it, and the record deck will sit on top 11::^*)) Be aware that the PSU may not work without a dummy load on the 5V A standard desktop one will. You'll find details of what pins to bridge to fire it up etc by Googling. Do remember many car radios need a permanent 12v feed for their station memory, etc. The other problem may be matching an external aerial to a car radio. And it may have separate inputs for FM and DAB. You might also have ground loop problems connecting it to a domestic amp. -- -- *There are two sides to every divorce: Yours and **** head's* Dave Plowman London SW To e-mail, change noise into sound. |
#14
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Using a cheap Din Car Head Unit with HiFi Amp
Dave Plowman wrote:
A standard desktop one will. You'll find details of what pins to bridge to fire it up etc by Googling. The lone green one to any black one. |
#15
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Using a cheap Din Car Head Unit with HiFi Amp
"The Natural Philosopher" wrote in message ... On 08/02/2020 11:40, wrote: Thanks for all the replies guys. Ive done a little lateral thinking, and I think I should be able to pick up a scrap desktop PC with functioning PSU for next to nothing. A little mollification, And I should be able to slot the head unit in the front of it, and the record deck will sit on top 11::^*)) Be aware that the PSU may not work without a dummy load on the 5V And wont even start without the Power On line grounded. |
#16
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Using a cheap Din Car Head Unit with HiFi Amp
"Bob Eager" wrote in message ... On Sat, 08 Feb 2020 12:22:06 +0000, The Natural Philosopher wrote: On 08/02/2020 11:40, wrote: Thanks for all the replies guys. Ive done a little lateral thinking, and I think I should be able to pick up a scrap desktop PC with functioning PSU for next to nothing. A little mollification, And I should be able to slot the head unit in the front of it, and the record deck will sit on top 11::^*)) Be aware that the PSU may not work without a dummy load on the 5V And a jumper to 'power good'. That should be Power On,. Power Good is an output from the PSU that signals that the rails are up to spec now. |
#17
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Lonely Auto-contradicting Psychotic Senile Ozzie Troll Alert! LOL
On Sun, 9 Feb 2020 07:07:58 +1100, cantankerous trolling geezer Rodent
Speed, the auto-contradicting senile sociopath, blabbered, again: And wont even start without the Power On line grounded. Oh, ****! And this innocent little thread was Rodent-free, so far! tsk -- Bill Wright addressing senile Ozzie cretin Rot Speed: "Well you make up a lot of stuff and it's total ******** most of it." MID: |
#18
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Using a cheap Din Car Head Unit with HiFi Amp
"Andy Burns" wrote in message ... Dave Plowman wrote: A standard desktop one will. You'll find details of what pins to bridge to fire it up etc by Googling. The lone green one to any black one. Incorrect on the color. https://en.wikipedia.org/wiki/Power_...iring_diagrams |
#19
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More Heavy Trolling by Senile Nym-Shifting Rodent Speed!
On Sun, 9 Feb 2020 07:21:28 +1100, jon lopgel, better known as cantankerous
trolling senile geezer Rodent Speed, wrote: That should be Power On,. Oh, ****! Did you HAVE to **** also in THIS thread, you senile cretin? -- Marland answering senile Rodent's statement, "I don't leak": "Thats because so much **** and ****e emanates from your gob that there is nothing left to exit normally, your arsehole has clammed shut through disuse and the end of prick is only clear because you are such a ******." Message-ID: |
#20
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More Heavy Trolling by Senile Nym-Shifting Rodent Speed!
On Sun, 9 Feb 2020 07:27:30 +1100, jon lopgel, better known as cantankerous
trolling senile geezer Rodent Speed, wrote: The lone green one to any black one. Incorrect on the color. In auto-contradicting mode again, you abnormal auto-contradicting senile pest? -- dennis@home to retarded senile Rot: "sod off rod you don't have a clue about anything." Message-ID: |
#21
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Using a cheap Din Car Head Unit with HiFi Amp
Cheers Dave,
Im not bothered about the tuner, its the Bluetooth and USB Im interested in. The ground loop point is an interesting one. Hopefully Ill get away with it. I have in the past used a device (VHS?) Connected to mains via a 2 core mains lead and Its mono audio out connected to some sort of line in by just joining the inners of the RCAs together. My mate said it would work, and it duly did! I was really surprised! |
#22
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More Heavy Trolling by Senile Nym-Shifting Rodent Speed!
Peeler wrote:
On Sun, 9 Feb 2020 07:21:28 +1100, jon lopgel, better known as cantankerous trolling senile geezer Rodent Speed, wrote: That should be Power On,. Oh, ****! Did you HAVE to **** also in THIS thread, you senile cretin? He did make a very useful correction that may avoid lsomeone's confusion, on this occasion. You've got to be fair! -- Roger Hayter |
#23
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More Heavy Trolling by Senile Nym-Shifting Rodent Speed!
On Sun, 9 Feb 2020 01:24:31 +0000, Roger Hayter wrote:
Oh, ****! Did you HAVE to **** also in THIS thread, you senile cretin? He did make a very useful correction that may avoid lsomeone's confusion, on this occasion. You've got to be fair! Doesn't matter, oh senile one! He ALWAYS "corrects" people, that auto-contradicting clinically insane senile cretin! |
#24
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Using a cheap Din Car Head Unit with HiFi Amp
jon lopgel wrote:
Andy Burns wrote: Dave Plowman wrote: A standard desktop one will. You'll find details of what pins to bridge to fire it up etc by Googling. The lone green one to any black one. Incorrect on the color. https://en.wikipedia.org/wiki/Power_...iring_diagrams Err, no ... that confirms that "power on" is green, short it to ground (black) to turn on. "power good" is grey, but not necessary to turn it on, merely an indication that it has turned on. |
#25
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Using a cheap Din Car Head Unit with HiFi Amp
"Andy Burns" wrote in message ... jon lopgel wrote: Andy Burns wrote: Dave Plowman wrote: A standard desktop one will. You'll find details of what pins to bridge to fire it up etc by Googling. The lone green one to any black one. Incorrect on the color. https://en.wikipedia.org/wiki/Power_...iring_diagrams Err, no ... that confirms that "power on" is green, short it to ground (black) to turn on. I should have said that better, its not the LONE green. "power good" is grey, but not necessary to turn it on, merely an indication that it has turned on. |
#26
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Using a cheap Din Car Head Unit with HiFi Amp
jon lopgel wrote:
"Andy Burns" wrote in message ... jon lopgel wrote: Andy Burns wrote: Dave Plowman wrote: A standard desktop one will. You'll find details of what pins to *bridge to fire it up etc by Googling. The lone green one to any black one. Incorrect on the color. https://en.wikipedia.org/wiki/Power_...iring_diagrams Err, no ... that confirms that "power on" is green, short it to ground (black) to turn on. I should have said that better, its not the LONE green. How many do you see then? |
#27
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More Heavy Trolling by Senile Nym-Shifting Rodent Speed!
On Thu, 13 Feb 2020 05:10:20 +1100, jon lopgel, better known as cantankerous
trolling senile geezer Rodent Speed, wrote: FLUSH the senile asshole's latest troll**** 05:10??? LOL So, for how long have you been up and trolling, yet again, senile pest from Oz? -- Website (from 2007) dedicated to the 85-year-old trolling senile cretin from Oz: https://www.pcreview.co.uk/threads/r...d-faq.2973853/ |
#28
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Using a cheap Din Car Head Unit with HiFi Amp
"Andy Burns" wrote in message ... jon lopgel wrote: "Andy Burns" wrote in message ... jon lopgel wrote: Andy Burns wrote: Dave Plowman wrote: A standard desktop one will. You'll find details of what pins to bridge to fire it up etc by Googling. The lone green one to any black one. Incorrect on the color. https://en.wikipedia.org/wiki/Power_...iring_diagrams Err, no ... that confirms that "power on" is green, short it to ground (black) to turn on. I should have said that better, its not the LONE green. How many do you see then? There are 3 in that diagram I posted a link to with the same colour as Power On and they arent even green, they are light blue as note A spells out. |
#29
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More Heavy Trolling by Senile Nym-Shifting Rodent Speed!
On Thu, 13 Feb 2020 09:40:28 +1100, jon lopgel, better known as cantankerous
trolling senile geezer Rodent Speed, wrote: There are 3 in that diagram I posted a link to with the same colour as Power On and they arent even green, they are light blue as note A spells out. About time someone switched your power OFF, you useless senile 85-year-old trolling cretin! -- Norman Wells addressing trolling senile Rodent: "Ah, the voice of scum speaks." MID: |
#30
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Using a cheap Din Car Head Unit with HiFi Amp
"jon lopgel" wrote in message ... "Andy Burns" wrote in message ... jon lopgel wrote: "Andy Burns" wrote in message ... jon lopgel wrote: Andy Burns wrote: Dave Plowman wrote: A standard desktop one will. You'll find details of what pins to bridge to fire it up etc by Googling. The lone green one to any black one. Incorrect on the color. https://en.wikipedia.org/wiki/Power_...iring_diagrams Err, no ... that confirms that "power on" is green, short it to ground (black) to turn on. I should have said that better, its not the LONE green. How many do you see then? There are 3 in that diagram I posted a link to with the same colour as Power On and they arent even green, they are light blue as note A spells out. Whoops, sorry, my massive brain fart. I missed the fact that I have that diagram so large that the wire colours were off the rh edge of the screen. You were right all along on the wire colour. |
#31
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More Heavy Trolling by Senile Nym-Shifting Rodent Speed!
On Thu, 13 Feb 2020 14:22:20 +1100, jon lopgel, better known as cantankerous
trolling senile geezer Rodent Speed, wrote: Whoops, sorry, my massive brain fart. I missed the fact You miss a LOT of things, senile sociopath!!! BG -- about senile Rot Speed: "This is like having a conversation with someone with brain damage." MID: |
#32
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Using a cheap Din Car Head Unit with HiFi Amp
A long overdue update.
I tried the head unit at the weekend. I decided against using the PC chassis as a case in the end, and just put it on a shelf. I realised I already had a 12V PSU feeding my turntable, so I tapped into that. Worked first time. Only tried Bluetooth so far, that worked a treat. |
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