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Troubleshooting Audio Equipment

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Technical discussion on audio equipment troubleshooting and installation. This can be anything from a home/car stereo, guitar amp, and so on. When starting a new thread, please put the make AND model of your device in the thread title. Also be VERY descriptive of your issue, that way you'll get the best answer possible!

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Topics Statistics Last Post
Sticky: Repairing Alesis M1 Active mk2 Monitor Speakers by firespace
Started by firespace, 08-28-2010, 06:45 PM
505 responses
189,842 views
0 likes
 Last Post vintagevalves
by vintagevalves
10-18-2023, 11:25 AM  
Sticky: Bose recall on several older Acoustimass, Liefstyle, Companion model subwoofers? by eccerr0r
Started by eccerr0r, 07-05-2023, 07:36 AM
3 responses
1,177 views
0 likes
 Last Post momaka
by momaka
07-05-2023, 01:45 PM  
KLIPSCH KSW-10 amplifier by -goodtimes-
Started by -goodtimes-, 04-18-2014, 08:51 PM
19 responses
11,586 views
0 likes
 Last Post brad1dado
by brad1dado
04-02-2022, 03:00 PM  
Sharp SC9570AV distortion, missing output channel by Uranium-235
Started by Uranium-235, 03-26-2022, 02:49 PM
2 responses
865 views
0 likes
 Last Post Uranium-235
by Uranium-235
03-31-2022, 06:59 PM  
Transistor issue sony TC-280 by RepairNewbie47
Started by RepairNewbie47, 06-22-2018, 07:38 AM
11 responses
5,019 views
0 likes
 Last Post iksDK
by iksDK
03-31-2022, 10:01 AM  
Bad DC Offset TL072 Op-amp by Syn-fi
Started by Syn-fi, 05-17-2013, 02:06 PM
26 responses
14,829 views
0 likes
 Last Post eeling
by eeling
03-27-2022, 05:48 PM  
Roister Pb-150 Subwoofer repaired, how to prevent from failing again? by goodpsusearch
Started by goodpsusearch, 01-16-2022, 06:55 PM
23 responses
4,627 views
0 likes
 Last Post momaka
by momaka
03-26-2022, 09:13 PM  
No sound from Yamaha digital piano by Pianomancer
Started by Pianomancer, 03-23-2022, 12:11 PM
8 responses
1,220 views
0 likes
 Last Post Pianomancer
by Pianomancer
03-25-2022, 09:07 AM  
Are these resistors supposed to be shifted like this? by jssamp
Started by jssamp, 03-23-2022, 07:09 PM
2 responses
553 views
0 likes
 Last Post jssamp
by jssamp
03-25-2022, 08:39 AM  
Electric piano distorted notes (Roland RD100) by Dannyx
Started by Dannyx, 03-29-2021, 02:08 PM
12 responses
4,604 views
0 likes
 Last Post Dannyx
by Dannyx
03-25-2022, 07:53 AM  
Harman Kardon AVR 146 Won't stay powered by Bslodk
Started by Bslodk, 06-19-2014, 05:09 PM
41 responses
10,816 views
0 likes
 Last Post Gary Indiana
by Gary Indiana
03-25-2022, 12:53 AM  
Bass guitar output level by Nevillet
Started by Nevillet, 03-23-2022, 07:44 AM
3 responses
655 views
0 likes
 Last Post redwire
by redwire
03-23-2022, 12:20 PM  
DSP firmware error on a Pioneer LX86 by ottobad
Started by ottobad, 02-15-2022, 06:47 AM
6 responses
1,598 views
0 likes
 Last Post dobrykamil
by dobrykamil
03-20-2022, 09:50 AM  
Schematic for JVC T-X300L by Xenon-Codex
Started by Xenon-Codex, 03-13-2022, 02:25 PM
3 responses
1,268 views
0 likes
 Last Post Xenon-Codex
by Xenon-Codex
03-19-2022, 12:16 PM  
Denon AVR-X2000 no audio by James981
Started by James981, 03-14-2022, 02:28 AM
2 responses
1,213 views
0 likes
 Last Post R_J
by R_J
03-17-2022, 06:12 PM  
Allen & Heath Xone:92 (DJ mixer) no output on main out & magic smoke by jaifraic
Started by jaifraic, 03-15-2022, 12:32 PM
1 response
1,188 views
0 likes
 Last Post Agent24
by Agent24
03-17-2022, 02:05 PM  
Technics SU-Z45 vintage amplifier repair by goodpsusearch
Started by goodpsusearch, 01-15-2022, 01:35 PM
11 responses
4,311 views
0 likes
 Last Post momaka
by momaka
03-15-2022, 08:17 PM  
Philips F9217L-50R speakers – build quality impressions and DIY surround repair by momaka
Started by momaka, 02-15-2022, 12:43 AM
5 responses
1,235 views
0 likes
 Last Post momaka
by momaka
03-15-2022, 07:52 PM  
M1 Active Alesis speaker schematic & advice please by zen
Started by zen, 03-11-2022, 10:51 AM
3 responses
901 views
0 likes
 Last Post zen
by zen
03-15-2022, 08:54 AM  
Subwoofer Klipsch RW-12 No audio by falcontech
Started by falcontech, 03-10-2022, 08:40 AM
11 responses
1,566 views
0 likes
 Last Post falcontech
by falcontech
03-15-2022, 08:07 AM  
A 9010 o n k y o amp , schematics & help please by zen
Started by zen, 01-14-2021, 07:54 AM
32 responses
5,059 views
0 likes
 Last Post mamartins
by mamartins
03-13-2022, 02:53 PM  
1604 VLZ PRO Mackie mixer schematic / advice please by zen
Started by zen, 03-12-2022, 09:20 AM
2 responses
670 views
0 likes
 Last Post zens electronics
by zens electronics
03-13-2022, 01:54 PM  
Kareokee amplifier not working by Cornboats
Started by Cornboats, 02-22-2022, 04:40 AM
11 responses
1,626 views
0 likes
 Last Post Cornboats
by Cornboats
03-13-2022, 04:30 AM  
Harman Kardon AVR 130 receiver capacitor replace 50v to 63v? by basskilla
Started by basskilla, 03-08-2022, 03:36 AM
2 responses
745 views
0 likes
 Last Post basskilla
by basskilla
03-08-2022, 07:37 AM  
Lg musicflow hs6 , las650m-n by tehmatix
Started by tehmatix, 03-07-2022, 02:12 PM
0 responses
548 views
0 likes
 Last Post tehmatix
by tehmatix
03-07-2022, 02:12 PM  
Weltron 2007 UFO (vintage) - setting bias and crossover by dkneyle
Started by dkneyle, 02-26-2022, 06:16 AM
3 responses
989 views
0 likes
 Last Post dkneyle
by dkneyle
03-05-2022, 11:15 PM  
Pioneer-A66X recap and restore by goodpsusearch
Started by goodpsusearch, 01-27-2021, 05:15 PM
7 responses
2,700 views
0 likes
 Last Post goodpsusearch
by goodpsusearch
03-05-2022, 11:25 AM  
Philips BDL4221 Speakers too loud by tmcw
Started by tmcw, 02-23-2022, 04:31 AM
2 responses
857 views
0 likes
 Last Post goodpsusearch
by goodpsusearch
03-05-2022, 08:24 AM  
Creative GigaWorks T3 2.1-Channel Speakers by SkullKill
Started by SkullKill, 03-05-2022, 06:01 AM
0 responses
732 views
0 likes
 Last Post SkullKill
by SkullKill
03-05-2022, 06:01 AM  
Harman Kardon TD202 Tape Deck SLOW boot-up by Dannyx
Started by Dannyx, 02-28-2022, 12:06 PM
16 responses
2,098 views
0 likes
 Last Post redwire
by redwire
03-04-2022, 05:08 PM  
Philips HTL6140B/12 SoundBar no power by StasNep
Started by StasNep, 02-20-2022, 10:37 AM
7 responses
1,422 views
0 likes
 Last Post StasNep
by StasNep
03-02-2022, 03:24 PM  
Loewe opta R125 distorted sound at high volume by jorpec
Started by jorpec, 03-02-2022, 11:51 AM
0 responses
578 views
0 likes
 Last Post jorpec
by jorpec
03-02-2022, 11:51 AM  
Denon TCD-784 (ABEX) Test CD ISO by Nevillet
Started by Nevillet, 02-27-2022, 03:02 PM
12 responses
2,647 views
0 likes
 Last Post R_J
by R_J
03-01-2022, 05:04 PM  
bios BOSE |SOUNDLINK COLOR II by karlox
Started by karlox, 02-22-2022, 07:32 PM
4 responses
1,444 views
0 likes
 Last Post karlox
by karlox
02-28-2022, 11:06 PM  
Sony BDV-E4100 stucked / no image on hdmi / doesn't respond to anything by sicilianul
Started by sicilianul, 02-26-2022, 04:26 AM
0 responses
697 views
0 likes
 Last Post sicilianul
by sicilianul
02-26-2022, 04:26 AM  
sony mhc-2600 mini hifi restoration... by intrax
Started by intrax, 02-25-2022, 12:43 PM
0 responses
626 views
0 likes
 Last Post intrax
by intrax
02-25-2022, 12:43 PM  
GoXLR-Mini.Possible to extract this firmware? Or find its datasheet? by Coldblackice
Started by Coldblackice, 02-25-2022, 06:27 AM
1 response
864 views
0 likes
 Last Post Khron
by Khron
02-25-2022, 09:06 AM  
Roberts RD60 DB radio. Looking for some help Identify Component IC by Benass
Started by Benass, 02-23-2022, 03:06 PM
3 responses
834 views
0 likes
 Last Post stj
by stj
02-24-2022, 08:58 AM  
Yamaha RX-V673 - No audio at startup by Halloway
Started by Halloway, 08-28-2020, 01:03 AM
5 responses
3,070 views
0 likes
 Last Post mmartell
by mmartell
02-22-2022, 03:34 PM  
Denon AVR-X500 No audio output by dicky96
Started by dicky96, 02-22-2022, 08:36 AM
4 responses
1,447 views
0 likes
 Last Post dicky96
by dicky96
02-22-2022, 10:38 AM  
TV that only has headphone out to receiver/amp by JayPoorJay
Started by JayPoorJay, 02-20-2022, 09:03 AM
5 responses
720 views
0 likes
 Last Post JayPoorJay
by JayPoorJay
02-21-2022, 05:29 AM  
Yamaha Q2031A Whistles by Chris35
Started by Chris35, 02-20-2022, 01:11 AM
0 responses
604 views
0 likes
 Last Post Chris35
by Chris35
02-20-2022, 01:11 AM  
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