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S40 / V40 '96-'04 General Forum for the Volvo S40 and V40 (Classic) Series from 1995-2004. |
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Replacing HU 655 with Blaupunkt Palma 190 BTViews : 1051 Replies : 5Users Viewing This Thread : |
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Aug 4th, 2020, 15:56 | #1 |
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Replacing HU 655 with Blaupunkt Palma 190 BT
Hi Guys
I recently purchased a double DIN Blaupunkt Palma 190 BT to replace the HU 655 in my 2004 phase 2 S40 I had to buy additional leads to convert the plugs from the HU 655 to the ISO lead supplied with the new radio also a convertor lead for the aerial When I plugged all together the new radio powers up the electric aerial goes up but I am only getting sound out of the dash tweeter My HU 655 also has a round DIN plug plugged into the back so thinking there must be an additional amplifier but only thought the V40 had that Any help much appreciated as I have had to re-install HU 655 Cheers |
Aug 4th, 2020, 18:06 | #2 |
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To my knowledge the tweeters in the dash are the only speakers not to run via the amp somewhere in the boot area. I'm no expert on the audio setup in the S40 and V40 but someone else on here helped out massively not long ago with more detailed explanations.
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Present: 2002 C70 2.0T, 2003 Saab 9-5 3.0 V6 TiD Past: 2002 S40 1.9D, 2002 S40 2.0T, 2004 S40 1.8, 2002 & 2004 V40 1.9D, 2006 Saab 9-5 2.3t Various other French and Italian boxes |
Aug 6th, 2020, 19:28 | #3 | |
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Quote:
My S40 is the same, so I'm reluctant to switch out the head unit, instead I've plugged in a Bluetooth decoder into the CD changer socket so I can play music off my phone.
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S40 Sport Lux 1.8 Manual 2003 |
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Aug 7th, 2020, 19:13 | #4 |
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I opted to keep my HU-605 as I have a thing for keeping stuff looking original.
I added a homemade device for Bluetooth that is of higher sound quality than standard ones fitted to the accessory socket and is neatly hidden away hardwired in to the dash. It's made of an old JVC FM Modulator wired via the car aerial plug (with adapters) and a cheapy eBay bluetooth signal receiver. After this I saw no reason to change the stereo for an aftermarket.
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Present: 2002 C70 2.0T, 2003 Saab 9-5 3.0 V6 TiD Past: 2002 S40 1.9D, 2002 S40 2.0T, 2004 S40 1.8, 2002 & 2004 V40 1.9D, 2006 Saab 9-5 2.3t Various other French and Italian boxes |
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May 28th, 2021, 22:45 | #5 | |
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Quote:
After a bit of digging, as a trial, I connected the 4 +ve outputs from the new unit to the 4 +ve inputs on the DIN plug going to the amp, power to the amp taken from the power to the new unit. I connected the 4 -ve outputs from the new units to earth, and to the earth on the DIN plug. The logic was that the amp needs a signal to power up (hence taking power from the new unit), it also needs 4 inputs (L,R, Front/Rear). Fail. As far as I can see, I need to run 4 twin cables from the amp back to the new head unit, they to connect to it's output. These connect to the (disconnected) amp outputs, thereby only powering the speakers directly from the new head. However, after working on a blown speaker (seperate issue) I see that they are 2 ohms impedance so likely to get wrecked by a standard head unit at high volume. Mine does not say the output impedance. Any thoughts / advice? |
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May 30th, 2021, 04:14 | #6 |
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Just for the record there are 3 audio packages.
1). Super basic setup for Police/taxi/government cheapskates where it would be a waste to fit decent audio. 2). Standard 6 speaker setup powered by the Head unit with an optional sub for V40's to make up for the lack of boot cavity to generate bass. White sticklerd speakers at 4ohm impedence. 3). Premium sound with 6 speakers, where the head unit powers the dash tweeters and an Amp (right rear of an S40's boot) powers the others. The speakers have a blue sticker and I think are 8 ohm. From memory the amp has an 11 pin connector in green as if it was connecting to the back of an non-amp head unit. The colours may be the same so you can check a wiring diagram. I thought the fan cable didn't run any power and was merely the line level out. |
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