Troubleshooting Audio Equipment

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Sticky: Repairing Alesis M1 Active mk2 Monitor Speakers by firespace Started by firespace, 08-28-2010, 06:45 PM	505 responses 191,544 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 1,216 views 0 reactions	Last Post by momaka 07-05-2023, 01:45 PM
Harman/Kardon AVR 645 returning to stand-by after a few seconds. by PowellSkier Started by PowellSkier, 06-17-2024, 11:43 AM	0 responses 83 views 0 reactions	Last Post by PowellSkier 06-17-2024, 11:43 AM
Marantz SX72 by Evets Started by Evets, 06-12-2024, 02:10 PM	1 response 51 views 0 reactions	Last Post by CapLeaker 06-14-2024, 05:35 PM
Single Pole switch for audio help by ivtec Started by ivtec, 06-11-2024, 01:00 PM	2 responses 51 views 0 reactions	Last Post by ivtec 06-11-2024, 05:31 PM
Old Boston Acoustics subwoofer repair, BJT alternatives by staze Started by staze, 06-11-2024, 09:57 AM	0 responses 113 views 0 reactions	Last Post by staze 06-11-2024, 09:57 AM
Denon AVR 1908, High pitch noise on Surround back Left channel after long overhaul by karatzdi Started by karatzdi, 06-11-2024, 08:38 AM	0 responses 141 views 0 reactions	Last Post by karatzdi 06-11-2024, 08:38 AM
Yamaha RX-V577 - DC: PRT 000L by stinkincaps Started by stinkincaps, 05-13-2020, 12:01 PM	26 responses 10,050 views 0 reactions	Last Post by darrjoh1 06-05-2024, 10:13 PM
Squire bass guitar amp PB 15 no sound by zzpkcq@gmail.com Started by zzpkcq@gmail.com, 05-25-2024, 02:31 PM	8 responses 206 views 0 reactions	Last Post by redwire 05-30-2024, 01:38 PM
STK4392 pin out by Evets Started by Evets, 05-29-2024, 07:46 AM	6 responses 213 views 0 reactions	Last Post by Evets 05-29-2024, 11:42 PM
Logitech R20 speakers - Replacing one of the speakers. by Widget Started by Widget, 05-29-2024, 07:07 AM	0 responses 129 views 0 reactions	Last Post by Widget 05-29-2024, 07:07 AM
Boss Audio Crossover BX-45 by Domenicoo Started by Domenicoo, 05-29-2024, 04:12 AM	0 responses 42 views 0 reactions	Last Post by Domenicoo 05-29-2024, 04:12 AM
Yamaha RX-V373 not powering up by Rupsenkind Started by Rupsenkind, 10-18-2022, 10:27 AM	18 responses 3,081 views 0 reactions	Last Post by Rupsenkind 05-27-2024, 01:50 AM
Kenwood KDC 3051G Car Radio permanently stuck in Demo Mode please help by Omron Started by Omron, 05-23-2024, 01:27 PM	6 responses 394 views 0 reactions	Last Post by Omron 05-26-2024, 02:37 AM
Behringer MS16 Speakers - Low Volume on One Speaker by RetroComputingGrotto Started by RetroComputingGrotto, 05-20-2024, 07:29 AM	2 responses 232 views 0 reactions	Last Post by RetroComputingGrotto 05-24-2024, 06:40 AM
Old KSC Digmoda DDC552 Bang and Olufson ICE amp My mission to repair. by abajor Started by abajor, 05-23-2024, 11:44 PM	1 response 81 views 0 reactions	Last Post by abajor 05-23-2024, 11:55 PM
Galaxy Buds FE SM-R400 by therealraffles Started by therealraffles, 05-23-2024, 11:13 AM	2 responses 103 views 0 reactions	Last Post by therealraffles 05-23-2024, 03:39 PM
Denon UCD77 schematic by Evets Started by Evets, 05-20-2024, 10:25 AM	2 responses 59 views 0 reactions	Last Post by Evets 05-21-2024, 03:29 AM
Denon AVR-S900W receiver repair struggles by ajvpb Started by ajvpb, 11-10-2020, 01:55 PM	1 response 1,854 views 0 reactions	Last Post by MICHAEL dsouza 05-20-2024, 07:41 AM
HT-R590 No Sound by schenckb Started by schenckb, 01-03-2021, 12:50 PM	12 responses 3,118 views 0 reactions	Last Post by mauda 05-20-2024, 05:05 AM
Pioneer A-205 faint noise/hiss issue by GraphicMan Started by GraphicMan, 05-19-2024, 11:45 AM	1 response 42 views 0 reactions	Last Post by GraphicMan 05-19-2024, 10:49 PM
Uniden bearcat UBC 360clt no sound output by Jedi134 Started by Jedi134, 05-13-2024, 04:12 AM	13 responses 209 views 0 reactions	Last Post by CapLeaker 05-19-2024, 04:03 PM
Studio Electronics ATC-1 disturbing signal around 8Khz by hbns Started by hbns, 05-17-2024, 02:26 PM	0 responses 85 views 0 reactions	Last Post by hbns 05-17-2024, 02:26 PM
Fisher TAC-M47 schematic by Evets Started by Evets, 05-17-2024, 04:35 AM	0 responses 48 views 0 reactions	Last Post by Evets 05-17-2024, 04:35 AM
Denon AVR 1912 no sound by dansity Started by dansity, 05-06-2024, 10:16 AM	2 responses 257 views 0 reactions	Last Post by dansity 05-15-2024, 05:11 AM
Yamaha delay D1500, zener diode broken with no marking by debidoobs Started by debidoobs, 04-24-2024, 09:01 AM	13 responses 239 views 0 reactions	Last Post by debidoobs 05-15-2024, 12:39 AM
Marantz PM 25 - looking for potentiometer RM050 / M50KC by mikkele86 Started by mikkele86, 05-13-2024, 02:34 PM	1 response 172 views 0 reactions	Last Post by CapLeaker 05-14-2024, 08:05 PM
Harman/Kardon Onyx Bluetooth Speaker - No Power by caphair Started by caphair, 08-22-2015, 06:44 PM	194 responses 91,077 views 0 reactions	Last Post by QwertyChouskie 05-13-2024, 05:03 PM
Pioneer amplifier A-205 Relay not clicking after a mistake i made by GraphicMan Started by GraphicMan, 05-05-2024, 06:20 AM	64 responses 745 views 0 reactions	Last Post by GraphicMan 05-12-2024, 08:34 PM
Aiwa TX-110 Tuner Buttons by LEEDASH Started by LEEDASH, 05-07-2024, 02:41 PM	3 responses 100 views 0 reactions	Last Post by petehall347 05-07-2024, 05:51 PM
faulty loudspeaker amplifier-no sound output by Cornboats Started by Cornboats, 04-25-2024, 04:43 AM	7 responses 135 views 0 reactions	Last Post by Cornboats 05-06-2024, 02:56 AM
Sony RCD-W3 Deck A (Playback only) not playing CDs (Disk Error) repair by goodpsusearch Started by goodpsusearch, 05-05-2024, 02:04 PM	0 responses 112 views 0 reactions	Last Post by goodpsusearch 05-05-2024, 02:04 PM
Alarm Siren issue by slybunda Started by slybunda, 02-04-2024, 11:01 AM	28 responses 387 views 0 reactions	Last Post by slybunda 05-05-2024, 10:41 AM
Mackie CR4 amplifier no sound by UserXP Started by UserXP, 10-17-2020, 05:06 PM	155 responses 22,787 views 0 reactions	Last Post by UserXP 05-03-2024, 05:03 AM
Zoom R16 help to identify ICs by maleksa Started by maleksa, 05-02-2024, 05:43 PM	0 responses 52 views 0 reactions	Last Post by maleksa 05-02-2024, 05:43 PM
TEAC AG 980 going protection mode by Supradin Started by Supradin, 05-01-2024, 08:34 AM	1 response 116 views 0 reactions	Last Post by Supradin 05-02-2024, 01:15 AM
Problem with Samsung HT-DB120 by stomanata Started by stomanata, 05-01-2024, 10:35 AM	0 responses 32 views 0 reactions	Last Post by stomanata 05-01-2024, 10:35 AM
Roland KR-3500/4500 Digital Piano. Crackling audio sound on all keys -Fixed by i_am_patch Started by i_am_patch, 04-30-2024, 08:20 PM	0 responses 269 views 0 reactions	Last Post by i_am_patch 04-30-2024, 08:20 PM
Yamaha RX-479 PSU exploded by Satdude Started by Satdude, 04-18-2024, 05:54 PM	8 responses 200 views 0 reactions	Last Post by redwire 04-24-2024, 06:55 PM
Luxman R-5045 - Cant adjust current bias by mikkele86 Started by mikkele86, 04-24-2024, 10:19 AM	1 response 71 views 0 reactions	Last Post by redwire 04-24-2024, 12:52 PM
Onkyo TX-DS575 by frankusb Started by frankusb, 03-25-2024, 02:11 PM	29 responses 460 views 0 reactions	Last Post by frankusb 04-24-2024, 07:49 AM
Luxman R-5045 - Needing help identifying component in AM/FM module by mikkele86 Started by mikkele86, 04-19-2024, 03:05 PM	7 responses 73 views 0 reactions	Last Post by eccerr0r 04-20-2024, 12:16 AM

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