Question about 2001 Audi A6

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Audio amplifier - 2001 Audi A6

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You Need RCA CABLE, @ or 4 GAGE POWER CABLE (FUSED) From BATTERY SPEAKERS that can Handle the Power , SPEAKER WIRE ALSO to Fit the Duty, .The Hook up all Depends on What you hace for it ....SUB> 1 Channel =MONO 2 Channel = Right & Left or 4 Channel = Frnt Rear Rght LFT . Let me Know EXACTLY WHAT You Intend to do I'll Be Glad to Help !! Need SPECS on All You Got To Set up !!

Posted on May 12, 2010

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Posted on Jan 02, 2017

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2 Answers

Lost sound on 2005 impala. radio works. seems like amp problem.


Do you have base or up;level system ?

Table 1: Radio Features
Table 2: Cassette Features
Table 3: Compact Disc Features
Table 4: XM Advisory Messages
The radio receives power from the RADIO fuse in the junction block-right I/P. Ground is provided via G201 and G202. The radio is enabled/disabled by class 2 messages from the body control module (BCM). The radio routes audio signals from the digital radio receiver or the vehicle communication interface module (VCIM) to the speakers and/or amplifier when directed by class 2 messages.
The Entertainment System on this vehicle is configured with an AM/FM stereo radio with the radio data system (RDS) and either a cassette player or a CD player or both. CD and cassette. The uplevel system provides the customer with extended range speakers and an audio amplifier. Satellite digital radio (U2K) is available with uplevel systems.
The following list shows the radios available for this vehicle:
• Radio (ULO) - AM/FM Stereo, Cassette with RDS
• Radio (UNO) - AM/FM Stereo, CD and RDS
• Radio (UPO) - AM/FM Stereo, Cassette with CD and RDS .The complexity of the radio systems on these vehicle is mind blowing .

Your best bet take it to a GM dealer , has features you are unawear of .
DTC B1025, B1035, B1045, or B1055
When the radio is powered up, the radio supplies low level audio signals to the speakers. If the vehicle is equipped with an audio amplifier, the amplifier will boost the signal sent to the speakers.
DTC B1025 Audio Output Circuit
Install a scan tool.
Turn ON the ignition, with the engine OFF.
With the scan tool, monitor the DTC Information for DTC B1025.
Does the scan tool indicate that DTC B1025 is current?

Jan 31, 2017 | Cars & Trucks

1 Answer

I have a 2009 GMC Yukon and rear speakers aren't playing


Does the system have an amplifier ?
Circuit/System Verification
Radio ON, Rear Seat Audio (RSA) OFF (if equipped), adjust the fade and balance controls on the radio to test all four channels individually. Each of the four channels should produce clear and even sound.
Without Amplifier Radio ON, verify clear audio is heard from each audio speaker.
?‡'
If audio is inoperative from all speakers, replace the radio.


?‡'
If audio is inoperative from one or more, but not all, speakers or the audio emitted from the speakers is not clear, refer to Speaker Circuit Malfunction - without Amplifier.
With Amplifier Radio ON, verify clear audio is heard from each audio speaker.
?‡'
If audio is inoperative from all speakers, refer to Amplifier Circuit Malfunction.


?‡'
If audio is inoperative from one or more, but not all, speakers or the audio emitted from the speakers is not clear, refer to Speaker Circuit Malfunction - with Amplifier.


Circuit/System Testing
Speaker Circuit Malfunction - without Amplifier

  1. Ignition OFF, disconnect the harness connector at the appropriate speaker.
  2. Radio ON, test for 5.0-7.5 volts between the signal circuit terminal A and ground.
  3. ?‡'
    If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the radio.


    ?‡'
    If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the radio.

  4. Test for 5.0-7.5 volts between the signal circuit terminal B and ground.
  5. ?‡'
    If greater than the specified range, test the signal circuit for a short to voltage. If the circuit tests normal, replace the radio.


    ?‡'
    If less than the specified range, test the signal circuit for a short to ground or an open/high resistance. If the circuit tests normal, replace the radio.

  6. If all circuits test normal, replace the speaker.

Apr 17, 2016 | GMC Cars & Trucks

1 Answer

I have a 2010 cobalt lt. Today both my feont speakers quit working. And now my turn signals make no noise. Or the door chime or the seatbelt indicator does not work. What causes this and how do I fix it?...


The chimes an turn signal noise come out driver door speaker . Both front speakers not working could be a blown circuit fuse inside the radio or just blown front speaker channel . Your best bet , take it to a GM dealer or someother qualified repair shop . You have no idea of the complexity of this . The radio can set DTC'S - diagnostic trouble codes , believe it or not !
DTC B1025, B1035, B1045, or B1055
DTC B1025 01: Audio Output 1 Left Front Circuit Short to Battery
DTC B1025 02: Audio Output 1 Left Front Circuit Short to Ground
DTC B1035 01: Audio Output 2 Right Front Circuit Short to Battery
DTC B1035 02: Audio Output 2 Right Front Circuit Short to Ground
DTC B1045 01: Audio Output 3 Left Rear Circuit Short to Battery
DTC B1045 02: Audio Output 3 Left Rear Circuit Short to Ground
DTC B1055 01: Audio Output 4 Right Rear Circuit Short to Battery
DTC B1055 02: Audio Output 4 Right Rear Circuit Short to Ground

Each of the audio output channel circuits (+) and (-), at the radio and audio amplifier have a DC bias voltage that is one half of the battery voltage. When using a DMM, each of the audio output channel circuits will measure approximately 6.5V DC. The audio being played on the system is produced by a varying AC voltage that is centered around the DC bias voltage on the same circuit. The AC voltage is what causes the speaker cone to move and produce sound. This voltage will vary depending on what type of audio is being listened to, talk or music, and type of music, as well as the volume setting of the system. Low volume and talk settings will measure around 1V AC and less, where constant music may measure 3V AC and slightly higher.
DTC B1287 01: Amplifier Control Signal Circuit Short to Battery
DTC B1287 02: Amplifier Control Signal Circuit Short to Ground
DTC B1287 04: Amplifier Control Signal Circuit Open

The radio provides a remote amplifier mute output circuit to control overall muting of the remote amplifier. The amplifier receives pulse width modulated (PWM) signals on the control circuit at varying duty cycle percentages for controlling muted and unmuted functions of the amplifier. Circuitry internal to the radio monitors the remote amplifier mute circuit for faults and sets the appropriate DTC when faults are detected.

Feb 16, 2018 | 2010 Chevrolet Cobalt

1 Answer

I have no audio on my c-280 radio (the power antenna does go up) and the display lights on on the radio


The C-280 was available with or without a separate audio amplifier. If yours has the amplifier, check 25A fuse 5 in the rear fuse box which feeds power to the amplifier

Oct 26, 2012 | 1994 Mercedes-Benz C-Class

1 Answer

No sound from stereo


If your Maxima has the premium audio, go to the fuse block and check 10A fuse 21 and 15A fuse 22. If the fuses check OK, there is an audio amplifier relay that supplies power to the speaker amplifiers. This is another possible failed part

Oct 19, 2012 | 1997 Nissan Maxima

2 Answers

Since I purchased my 2009 dodge journey I have had an issue with my radio/cd player ... sporadically the volume goes out, if I turn it off, and on it comes right back on, but will only stay on for 20...


AUDIO Any diagnosis of the Audio system should begin with the use of the scan tool. For information on the use of the scan tool, refer to the appropriate Diagnostic Service information.
For complete circuit diagrams, refer to the appropriate wiring information.

AUDIO SYSTEM DIAGNOSIS

CONDITION

POSSIBLE CAUSES

CORRECTION

NO AUDIO AT ALL SPEAKERS - RADIO DISPLAY AND CONTROLS ARE OPERATIONAL 1. Amplifier fuse faulty, if equipped. 1. Check and replace fuses, if required. 2. Wiring to amplifier faulty, if equipped. 2. Verify radio on/off input to amplifier and verify battery and ground connections. Repair wiring as necessary. 3. Radio faulty. 3. Refer to appropriate Diagnostic Service Manual. 4. Amplifier faulty, if equipped. 4. Replace amplifier. NO AUDIO AT SOME SPEAKERS - RADIO DISPLAY AND CONTROLS ARE OPERATIONAL 1. Wiring faulty between amplifier and speaker. 1. Repair wiring as necessary. 2. Wiring faulty between radio and amplifier. 2. Refer to speaker diagnostics. Repair wiring as necessary. 3. Wiring faulty between radio and speaker. 3. Check wiring for open or short, repair wiring as necessary. 4. Speaker(s) faulty. 4. Refer to speaker diagnostics. 5. Amplifier faulty.
5. Replace amplifier. 6. Radio faulty. 6. Refer to appropriate Diagnostic Service Manual. POOR AUDIO AT ALL SPEAKERS - RADIO DISPLAY AND CONTROLS ARE OPERATIONAL 1. Power/ground wiring to amplifier open or shorted. 1. Repair wiring as necessary. 2. Power/ground wiring open or shorted. 2. Repair wiring as necessary. 3. Amplifier faulty. 3. Replace amplifier. 4. Radio faulty. 4. Refer to appropriate Diagnostic Service Manual. POOR AUDIO AT SOME SPEAKERS - RADIO DISPLAY AND CONTROLS ARE OPERATIONAL 1. Wiring faulty between amplifier and speaker. 1. Repair wiring as necessary. 2. Wiring faulty between radio and amplifier. 2. Refer to speaker diagnostics. Repair wiring as necessary. 3. Wiring faulty between radio and speaker. 3. Check wiring for open or short, repair wiring as necessary. 4. Speakers faulty. 4. Refer to speaker diagnostics. 5. Amplifier faulty. 5. Replace amplifier. 6. Radio faulty. 6. Refer to appropriate Diagnostic Service Manual. SOUND DISTORTION (VIBRATION FROM SPEAKER AREA, BUZZING - HUMMING) 1. Door trim panel loose or missing fasteners. 1. Inspect door trim panel and correct as necessary. Replace any missing fasteners. 2. Water shield loose or misaligned. 2. Inspect water shield and adjust as required. 3. Items placed in door trim panel map pockets vibrating or moving from side to side. 3. Remove items from door trim panel. Ensure that vibration is no longer present. NO RADIO DISPLAY - AUDIO AND CONTROLS ARE OPERATIONAL 1. Radio faulty. 1. Refer to appropriate Diagnostic Service Manual. NO RADIO DISPLAY - AUDIO AND CONTROLS ARE NOT OPERATIONAL 1. Fuse faulty. 1. Check radio fuse and Ignition-Off Draw (IOD) fuse in Junction Block (JB). Replace fuses, if required. 2. Radio connector faulty. 2. Check for loose or corroded radio connector. Repair, if required. POOR RADIO RECEPTION WITH KEY IN ACCESSORY OR IGNITION ON POSITION 1. Antenna faulty. 1. Replace the antenna. 2. Radio ground faulty. 2. Check for continuity between radio chassis and a known good ground. There should be continuity. Repair ground, if required. 3. Radio noise suppression faulty. 3. Repair or replace ground strap as necessary. 4. Radio faulty. 4. Refer to appropriate Diagnostic Service Manual. 5. Faulty rear window defogger. 5. Verify that the rear defogger grid is functioning properly, repair as necessary (Refer to 08 - Electrical/Heated Glass - Diagnosis and Testing). NO COMPACT DISC OR DVD OPERATION 1. Faulty CD/DVD. 1. Insert known good CD/DVD and test operation. 2. Foreign material on CD/DVD. 2. Clean CD/DVD and test operation. 3. Condensation on CD/DVD or optics. 3. Allow temperature of vehicle interior to stabilize and test operation. 4. Faulty CD/DVD player. 4. Refer to appropriate Diagnostic Service Manual.

Nov 01, 2017 | 2009 Dodge Journey

1 Answer

I would like to know where is the car audio amplifier located


Usually the car audio amplifier is integrated in the Delco am/fm radio case.

Jan 01, 2011 | 1995 GMC Suburban

1 Answer

Is there an in-line amplifier for the speakers in a 96 jeep grand cherokee limited w/ infinity gold audio system


Yes, the Infinity Gold series audio systems have a separate amplifier. In my '97 the amplifier is located under the drivers side rear seat.
Note that the amplifier is set to have speaker level inputs as opposed to regular level inputs. Both the amplifier and the speakers are NOT easily mixed and matched with after market components.

Nov 13, 2009 | 1996 Jeep Grand Cherokee

1 Answer

I Have a pioneer radio, DEH-1900MP in my 2000 ford focus. I need to know how to remove it so that I can repair an air conditioning malfunction.


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Removal
Vehicles with high output amplifier and subwoofer
  1. Using a common radio remover, detach the audio unit.
    1. Insert the common radio remover into the locating holes. Pull the tools gently to the left and right of the audio unit to release the locking tangs.
    1. Slide the audio unit out of the instrument panel.
  1. Remove the audio unit.
    • Disconnect the audio unit electrical connectors.
All except vehicles with high output amplifier and subwoofer
  1. Using the special tools, detach the audio unit.
    1. Insert the special tools into the locating holes. Pull the tools gently to the left and right of the audio unit to release the locking tangs.
    1. Slide the audio unit out of the instrument panel.
  1. Remove the audio unit.
    • Disconnect the audio unit electrical connectors.
please rate, thanks

Jul 03, 2009 | 2000 Ford Focus

2 Answers

2001 ford focus stereo amp location


not all have amps.

SECTION 415-01: Audio Unit 2001 Focus Workshop Manual
REMOVAL AND INSTALLATION Subwoofer Amplifier Removal
  1. Remove the subwoofer speaker. For additional information, refer to Section 415-03 .
8 screws
  1. Remove the grill.
  1. Remove the subwoofer amplifier cover retaining screws.
  1. Disconnect the subwoofer amplifier electrical connectors.
  1. Remove the subwoofer amplifier retaining screws.
    • Remove subwoofer amplifier.

Apr 27, 2009 | 2000 Ford Focus

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