Troubleshooting Audio Equipment

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Sticky: Marshall Stanmore Repair by ToxicGumbo Started by ToxicGumbo, 12-26-2017, 11:05 AM	150 responses 96,424 views 0 reactions	Last Post by blueberry2112 01-26-2026, 07:24 PM
Sticky: Repairing Alesis M1 Active mk2 Monitor Speakers by firespace Started by firespace, 08-28-2010, 06:45 PM	505 responses 192,827 views 0 reactions	Last Post 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 1,258 views 0 reactions	Last Post by momaka 07-05-2023, 01:45 PM
Marantz M-CR610 mcu replaced, advice & firmware needed by Eagle26 Started by Eagle26, 02-06-2026, 05:17 AM	21 responses 240 views 0 reactions	Last Post by check12 Today, 05:01 AM
JBL Bar 2.1 Mk2 making screeching sound when audio is played. by superuser726 Started by superuser726, Yesterday, 01:29 AM	0 responses 37 views 0 reactions	Last Post by superuser726 Yesterday, 01:29 AM
Fender Acoustasonic 100 / 150 repair by CapLeaker Started by CapLeaker, 07-26-2025, 02:06 PM	7 responses 184 views 0 reactions	Last Post by check12 03-06-2026, 02:47 AM
Marshall Stockwell 2 BIN file for Bluetooth CHIP by zakiyy Started by zakiyy, 11-27-2024, 10:57 AM	10 responses 882 views 0 reactions	Last Post by JBS Amalik 03-04-2026, 06:16 AM
Onkyo SR806 buzzing noise on outputs by tony359 Started by tony359, 12-17-2025, 03:39 PM	26 responses 433 views 0 reactions	Last Post by tony359 02-27-2026, 06:07 PM
peavey xr1212 by tonytiger Started by tonytiger, 01-29-2020, 05:35 AM	29 responses 4,579 views 0 reactions	Last Post by check12 02-25-2026, 06:45 AM
Denon AVR-X4000 – Fast red blinking after 2nd relay by SevenOFF Started by SevenOFF, 06-18-2025, 09:54 PM	10 responses 200 views 0 reactions	Last Post by Der Schwede 02-23-2026, 01:13 PM
Shure ULXD4Q - Dead by Baldrick Started by Baldrick, 02-21-2026, 02:14 PM	6 responses 72 views 0 reactions	Last Post by CapLeaker 02-23-2026, 05:22 AM
Bose Sound Dock I (iPod only) by stav242 Started by stav242, 02-20-2026, 05:05 AM	3 responses 39 views 0 reactions	Last Post by stj 02-20-2026, 10:38 PM
soundboks 3 bricked firmware ($600 bluetooth speaker) by codernov Started by codernov, 06-06-2025, 07:05 PM	8 responses 213 views 0 reactions	Last Post by Lichtmacher 02-19-2026, 12:31 AM
Infinity HPS-1000 15" Powered Subwoofer Troubleshooting Help by Surgeon Started by Surgeon, 06-18-2015, 11:16 PM	33 responses 14,588 views 0 reactions	Last Post by bflorin 02-14-2026, 09:38 PM
B&W ASW1000 output stage transistors bias imbalance issue by tronitas46 Started by tronitas46, 02-13-2026, 03:53 PM	1 response 37 views 0 reactions	Last Post by tronitas46 02-14-2026, 02:48 PM
Peavey Rage 158 - Guitar Amp - No Output by Renovator Started by Renovator, 01-30-2026, 10:40 AM	6 responses 124 views 0 reactions	Last Post by check12 02-14-2026, 08:50 AM
Harman/Kardon radio module BMW by Ivaylo40 Started by Ivaylo40, 02-12-2026, 04:00 AM	1 response 45 views 0 reactions	Last Post by Ivaylo40 02-13-2026, 02:00 AM
Harman Kardon making noise by Tomylee Started by Tomylee, 02-02-2026, 01:32 PM	3 responses 90 views 0 reactions	Last Post by Agent24 02-13-2026, 01:32 AM
Soundblaster AE-5 dead by paparazzo79 Started by paparazzo79, 01-08-2026, 12:19 PM	16 responses 187 views 0 reactions	Last Post by Agent24 02-12-2026, 12:55 PM
PreSonus StudioLive 24.4.2 Power Supply Board by grimacelord Started by grimacelord, 12-16-2025, 03:50 PM	30 responses 379 views 0 reactions	Last Post by check12 02-07-2026, 07:07 PM
What is this part? G80 727 5pin voltage regulator like by belauj Started by belauj, 01-29-2026, 08:22 AM	1 response 56 views 0 reactions	Last Post by check12 02-07-2026, 02:29 PM
Klipsch Icon SB1 Soundbar with Wireless Sub. No sub output by TonyNYE Started by TonyNYE, 01-07-2026, 08:16 AM	45 responses 451 views 0 reactions	Last Post by TonyNYE 01-28-2026, 05:53 AM
Sony SW55 - headphone jack replacement - 1-507-806-00 Jack P1 by proxneo Started by proxneo, 01-25-2026, 10:31 AM	3 responses 43 views 0 reactions	Last Post by stj 01-26-2026, 04:04 PM
Budget 3.5mm to 3.5mm stereo 2.0 amplifier options by spleenharvester Started by spleenharvester, 01-25-2026, 11:38 AM	0 responses 31 views 0 reactions	Last Post by spleenharvester 01-25-2026, 11:38 AM
Acoustic Research Powered Partner mkii internals by Logistics Started by Logistics, 01-17-2026, 03:31 PM	5 responses 50 views 0 reactions	Last Post by Agent24 01-23-2026, 07:58 PM
DYNAUDIO FOCUS 30 XD successful no sound repair details... by check12 Started by check12, 01-13-2026, 10:57 AM	3 responses 57 views 0 reactions	Last Post by Agent24 01-22-2026, 10:50 PM
Yamaha RX-A730 by alex26 Started by alex26, 01-22-2026, 02:29 AM	1 response 46 views 0 reactions	Last Post by alex26 01-22-2026, 12:30 PM
NAD 3140 loudness circuit modification ? by guizmo1967 Started by guizmo1967, 01-16-2026, 08:26 PM	0 responses 27 views 0 reactions	Last Post by guizmo1967 01-16-2026, 08:26 PM
JBL PARTYBOX 1000 NO sound NO 50V by AlexVG Started by AlexVG, 03-11-2025, 06:55 PM	12 responses 1,980 views 0 reactions	Last Post by AlexVG 01-15-2026, 06:54 PM
JBL PARTYBOX 710 NO SOUND by AlexVG Started by AlexVG, 01-15-2026, 05:05 PM	0 responses 38 views 0 reactions	Last Post by AlexVG 01-15-2026, 05:05 PM
PRIMARE A20 Restoration Capacitors question? by Fobo Started by Fobo, 01-04-2026, 08:59 AM	2 responses 37 views 0 reactions	Last Post by Agent24 01-14-2026, 06:18 PM
BLAUPUNKT bno 881 RADIO CODE NEEDED by jougounou Started by jougounou, 08-01-2017, 10:27 AM	2 responses 2,250 views 0 reactions	Last Post by jamal74 01-13-2026, 02:42 PM
AVT150 stuck in standby (mute) – standby pin at 0 V unless T104 is removed by Benass Started by Benass, 01-12-2026, 02:57 PM	3 responses 28 views 0 reactions	Last Post by Benass 01-13-2026, 03:01 AM
Internal Shots of the Logitech Z313 by TheLaw Started by TheLaw, 02-07-2011, 07:02 PM	62 responses 38,714 views 0 reactions	Last Post by Bitterblue 01-08-2026, 05:28 PM
NAD 3140 volume/Balance Potentiometer, need advice !! by guizmo1967 Started by guizmo1967, 01-05-2026, 08:59 PM	4 responses 58 views 0 reactions	Last Post by guizmo1967 01-07-2026, 07:59 PM
Bose 321 Gs Series II DVD hum by Uranium-235 Started by Uranium-235, 12-11-2025, 06:41 PM	20 responses 208 views 0 reactions	Last Post by Agent24 01-04-2026, 01:02 PM
Yamaha Electric Piano CLP550 no keyboard output by dkneyle Started by dkneyle, 03-31-2014, 04:52 PM	161 responses 35,838 views 0 reactions	Last Post by dkneyle 01-03-2026, 07:07 PM
Kanto YU6 active speaker power board schematic please by zen Started by zen, 01-21-2022, 06:29 AM	24 responses 5,045 views 0 reactions	Last Post by R_J 01-03-2026, 11:52 AM
JBL Bar 1300x stock on LOAD mode by ohlip Started by ohlip, 12-23-2025, 10:37 AM	1 response 48 views 0 reactions	Last Post by ohlip 01-02-2026, 09:18 AM
Lantec PULSE 386 subwoofer - no audio output by kotel studios Started by kotel studios, 11-29-2025, 04:15 AM	1 response 39 views 0 reactions	Last Post by kotel studios 12-29-2025, 01:35 PM
Marantz m cr611. Switches off. No stby. by Fritter Started by Fritter, 11-04-2023, 10:14 AM	14 responses 1,289 views 0 reactions	Last Post by Agent24 12-27-2025, 10:39 PM
Recapping a Denon AVR X6400h SMPS by Green Probe Started by Green Probe, 07-18-2025, 03:36 PM	11 responses 266 views 0 reactions	Last Post by Agent24 12-27-2025, 10:32 PM
Roland KR-370 Main board by piernov Started by piernov, 01-28-2021, 04:21 PM	3 responses 2,655 views 0 reactions	Last Post by AlexVG 12-19-2025, 09:02 PM

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