Question about Soundstream Davinici Car Audio Amplifier

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CONNECTED EARTH TO POWER AND VICER VERSA

Hi i have an Soundstream STC 80 tape deck and i mistakingly crossed the Earth and the power!!!

how can get this unit repaired? what is the likely fault?

i Use the da vinci as a valid product as it wont accept the STC - 80

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If it was properly fused, the fuse should have blown without causing any other damage. If it was not properly fused, it probably caused the reverse protection diode to short and burned a trace on the circuit board.

Any competent repair shop should be able to repair it unless the reverse protection diode opened instead of shorted. If it opened, the damage could be much more severe.

Posted on Jun 19, 2008

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Posted on Jan 02, 2017

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1 Answer

Static popping sound


The only thing I can think is happening is that the earth connections inside the deck are not good. Perhaps the power supply is generating the static?
Try connecting a wire from the deck to an external earth, such as a pipe.

Feb 22, 2015 | Stanton T52 Turntable

Tip

Ducati Fault Codes


Engine Fault Codes - Ducati 749/999


To see the fault codes, with the ignition off hold both dash buttons down and turn ignition on.


1.1 TPS Disconnected


1.2 TPS short circuit to earth


2.1 Pressure Sensor short circuit to power supply


2.2 Pressure Sensor shorted to earth


3.1 Water Temp Sensor shorted to power supply


3.2 Water Temp Sensor shorted to earth


4.1 Air Temp Sensor shorted to power supply


4.2 Air Temp Sensor Shorted to earth


5.1 Battery Hi


5.2 Battery Low


10.1 Hor. Coil shorted to power supply


10.2 Hor. Coil shorted to earth


11.1 Ver. Coil shorted to power supply


11.2 Ver. Coil shorted to earth


12.1 Inj1 shorted to power supply


12.2 Inj1 shorted to earth


13.1 Inj2 shorted to power supply


13.2 Inj2 shorted to earth


14.1 Inj3 shorted to power supply


14.2 Inj3 shorted to earth


15.1 Inj4 shorted to power supply


15.2 Inj4 shorted to earth


16.0 Pump Relay


17.1 LH Fan shorted to power supply


17.2 LH Fan shorted to earth


18.1 RH Fan shorted to power supply


18.2 RH Fan shorted to earth


19.1 Starter Solenoid shorted to power supply


19.2 Starter Solenoid shorted to earth


30.0 ROM/Eprom error


34.0 Signal Panel Sensor


36.0 Speed sensor


37.0 Immobiliser (transponder)


37.1 Immobiliser (antenna)


37.2 Immobiliser (instrument panel serial driver)


37.3 Immobiliser (serial cable disconnected)


37.4 Immobiliser (ccm serial drive)


37.5 Immobiliser (key not recognised)


37.6 Immobiliser (ccm program)


38.0 Can Line error

Source http://moto-files.weebly.com/ducati-fault-codes.html

on Dec 20, 2016 | Motorcycles

1 Answer

I spliced new headlight sockets (that go into the headlight housing). ever since i have had poor low beams but great hi beams. but if i reverse the lines ten i have hi beamish low beams and no hi beam


if you have H4 bulbs in the head lights ( 3 pins on the bulb then the centre pin is the earth wire and needs to be connected correctly. I am thinking that you have the lights connected incorrectly so that the lights are trying to earth out through each other and the earth pin is a power wire. remove the bulb and using a multimeter turn on the high beams and find which wire has the power. next turn on the low beams and find which wire has the power . the last wire should be a dead short to earth. Re-splice the wires accordingly.

Dec 20, 2014 | 2006 Nissan Xterra

1 Answer

Hi i have a kenwood system which has a loud hum/buzz over the vol this is louder on radio basically unable to hear any music / speach the hum also is on all other selections cd tape aux record deck mo


This sounds like an earth loop, try discounting the earth in the record deck 13 amp plug. If this works reconnect earth and get a stereo isolating transformer to go between the output of the record deck and Kenwood amp. Remember disconnecting the earth can be dangerous if you don't know what you are doing, best to just disconnect the RCA leads from the deck to start with. To explain an earth loop it's when you have more than one earth point e.g. amp with a earth and record deck with a earth or a CD deck. You can get the transformer from marlin.
*

Sep 09, 2014 | Audio Players & Recorders

2 Answers

999 injection relay tick continuously when turn to on


found on the net

Listed below are the Ducati error codes for the 999/749 series which are very handy to know...

If your stead decides to create an error and then flashes her yellow warning strobe (the EOBD light) then follow these steps....

1) Turn the ignition to 'OFF' (Whilst stationary that is.... )
2) Depress and hold the left hand instrument panel button
3) Turn the ignition to 'ON' whilst still depressing the left hand button
4) You should then see the error codes displayed
5) Make a mental note of the codes and cross reference with the following list.........

ERROR CODES

1.1 = Throttle Position Sensor (TPS) Disconnected
1.2 = Throttle Position Sensor (TPS) short circuit to earth
2.1 = Pressure Sensor short circuit to power supply
2.2 = Pressure Sensor shorted to earth
3.1 = Water Temp Sensor shorted to power supply
3.2 = Water Temp Sensor shorted to earth
4.1 = Air Temp Sensor shorted to power supply
4.2 = Air Temp Sensor Shorted to earth
5.1 = Battery Hi
5.2 = Battery Lo

10.1 = Horizontal Coil shorted to power supply
10.2 = Horizontal Coil shorted to earth
11.1 = Vertical Coil shorted to power supply
11.2 = Vertical Coil shorted to earth
12.1 = Inj1 shorted to power supply
12.2 = Inj1 shorted to earth
13.1 = Inj2 shorted to power supply
13.2 = Inj2 shorted to earth
14.1 = Inj3 shorted to to power supply
14.2 = Inj3 shorted to earth
15.1 = Inj4 shorted to powersupply
15.2 = Inj4 shorted to earth
16.0 = Pump Relay
17.1 = L/H Fan shorted to power supply
17.2 = L/H Fan shorted to earth
18.1 = R/H Fan shorted to power supply
18.2 = R/H Fan shorted to earth
19.1 = Starter Solenoid shorted to power supply
19.2 = Starter Solenoid shorted to earth

30.0 = ROM/Eprom error
34.0 = Signal Panel Sensor
36.0 = Speed sensor
37.0 = Immobiliser (transponder)
37.1 = Immobiliser (antenna)
37.2 = Immobiliser (instrument panel serial driver)
37.3 = Immobiliser (serial cable disconnected)
37.4 = Immobiliser (ccm serial drive)
37.5 = Immobiliser (key not recognised)
37.6 = Can Line error
__________________
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May 17, 2014 | 2003 Ducati 999

2 Answers

How do I install a 220 volt outlet using existing wiring?


I would recommend getting an electrician. If you chose not to any mistakes you make can be a safety hazard and possibly kill somebody.

In this area we are required to use a 4 wire connection; Phase, Phase, Neutral (bare or white in the US), Earth (green in the US). You are missing the Earth connection and will need to run a wire back to your electrical panel and connect to the earth bus. Earth and Neutral are connected together at one point in your home. In older systems the Neutral was used for the earth connection as well, this is dangerous if a fault occurs. The Earth may also be called ground as could the Neutral but they are different even though they are connected connected together at one point in your system. If you have an older electrical system and do not have the appropriate Earth connections I would highly recommend hiring an electrician, electricity can cause fires and kill.

Apr 29, 2014 | Whirlpool GY397LXUS Stainless Steel...

1 Answer

Where is the boot light earthed


riught up behind the panneling its easire to renew the earth and leave the existing earth wire connected as well so anything else using the same earth will work as well through the new earth.

Jan 14, 2013 | 2004 Rover 25 1.4

1 Answer

Following the purchase of a new home I want to install a new light in one room. The new light fitting has the basic connection terminals for Active, neutral and earth. The existing light on the ceiling has...


please remember to turn the power off when you are doing this. the extra cable is probably a looped or joined cable. put it in a connector or solder it with tape and leave it behind the light fitting or in the terminal block. connect the same cables up in the active, neutral and earth. like for like. make certain the power is off when you do this.

Sep 25, 2009 | Electrical Supplies

1 Answer

I really have two questons. the first is that the light of the panel on my stereo is always on. whats that from? the other is that i have a sound system in my car. i know its the head unit. when ever my...


Hi There. This may be line noise.

Check that your head unit and amplifiers etc are all earthed to the same earth. ie: If connected to the battery earth then connect all earths to battery, or if connected to body earth then connect all to body earth.

Another thing is to check that your RCA Cable or interconnects are not running with your power wires. This can induce line noise.

If all is correct then get yourself a noise suppressor or a ground loop isolator.

Hope this helps

Aug 19, 2009 | Virtual Reality VR3 Car Amp

1 Answer

I have a Stanton T.80 and Vestax VMC-185XL mixer. I recently bought Rane Serato Scratch Live which requires the turntables to be grounded through the mixer...however, the turntable doesnt have a ground...


Hi gium

Sounds like we have reached that point where progressive crossover in technologies means that the usual cautions of earth continuity for the tone arm when using a phono preamp has gone the same way as phono preamps on home theatre.

Have you tried switching to the line level and set the mixer up for that level also. That may reduce any gain induced hum. However it sounds like an earth loop problem, where both decks will need to be earthed in the mixer. Check also that all the gear is running of the same power point. Different mains phases are sometimes available near each other, having any gear (power amps also) on a different phase will cause an earth loop problem.

Is the hum all the time independent of the volume levels, or change with levels adjustments and not at all when turned right down. Let me if changing to line levels helps. We can try some more things, like connecting a temp hookup wire earth to the RCA earth to mixer chassis. Cheers

regards
robotek

Oct 04, 2008 | Audio Players & Recorders

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