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 190,814 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 1,200 views 0 reactions	Last Post by momaka 07-05-2023, 01:45 PM
Baofeng walkie talkie UV-16 PRO Mate not charging via usb type c. by thesame Started by thesame, Yesterday, 09:33 AM	2 responses 10 views 0 reactions	Last Post by thesame Today, 06:49 AM
Firmware file for Marantz NR1501 needed by Daniel Larsson Started by Daniel Larsson, 05-23-2025, 04:11 AM	6 responses 95 views 0 reactions	Last Post by dobrykamil Today, 06:21 AM
Yamaha DXR15 Powered Speaker Fault LED On by MobileXT Started by MobileXT, 01-17-2025, 12:43 AM	47 responses 500 views 0 reactions	Last Post by madan1 Today, 02:11 AM
Vintage SONY Digital Clock Radio ICF-C12W no audio by UserXP Started by UserXP, 07-21-2025, 08:35 AM	205 responses 1,799 views 0 reactions	Last Post by UserXP Yesterday, 01:32 PM
Voice recorder for blind persons Milestone 311 - Whistle in the speaker by corrize Started by corrize, 09-14-2025, 02:46 PM	7 responses 76 views 0 reactions	Last Post by corrize 09-16-2025, 07:53 AM
Tannoy Reveal 6D by midibob Started by midibob, 09-27-2011, 04:16 AM	191 responses 50,593 views 0 reactions	Last Post by alex92ayfer 09-16-2025, 03:54 AM
Denon Mc6000 channel 1 completely non-functional by falcontech Started by falcontech, 09-04-2025, 09:03 AM	3 responses 37 views 0 reactions	Last Post by Agent24 09-15-2025, 08:55 PM
Unit runs but no speaker output kenwood KR-6030 by DrDos Started by DrDos, 09-14-2025, 09:57 PM	5 responses 22 views 0 reactions	Last Post by DrDos 09-15-2025, 12:36 PM
Kenwood KR-6030 vintage stereo ,Old Man Trying to Save a Buck by DrDos Started by DrDos, 08-08-2025, 03:16 AM	84 responses 652 views 0 reactions	Last Post by DrDos 09-14-2025, 08:22 PM
Ampeg PF-350 bass amplifier head repair by JoelJ Started by JoelJ, 09-09-2025, 08:37 AM	4 responses 42 views 0 reactions	Last Post by Agent24 09-14-2025, 05:32 PM
Onkyo HT-R390 DSP dump by Tom_x Started by Tom_x, 01-11-2025, 03:57 AM	5 responses 204 views 0 reactions	Last Post by Bassquake 09-14-2025, 08:00 AM
Peavey SP5 Speaker Crossover. by 30Cal Started by 30Cal, 09-07-2025, 03:53 PM	4 responses 56 views 0 reactions	Last Post by Agent24 09-14-2025, 12:39 AM
DMR115 , Makita on site radio by zen Started by zen, 06-10-2022, 05:51 AM	21 responses 4,576 views 0 reactions	Last Post by gintarasmo 09-12-2025, 07:52 AM
On M-Audio AV40 active studio speaker's two zener diodes get really hot. by Dvsr Started by Dvsr, 09-10-2025, 10:20 AM	0 responses 21 views 0 reactions	Last Post by Dvsr 09-10-2025, 10:20 AM
Numark Party Mix Headphone Issue by nams2590 Started by nams2590, 09-04-2025, 01:38 PM	16 responses 73 views 0 reactions	Last Post by nams2590 09-09-2025, 02:59 AM
SA-HD52 1 Default Crosstalk/static after replacing selector switch IC? by Leebo249 Started by Leebo249, 09-07-2025, 07:23 AM	0 responses 17 views 0 reactions	Last Post by Leebo249 09-07-2025, 07:23 AM
Yamaha RX-A1040 internal error by Tom_x Started by Tom_x, 08-31-2025, 03:55 AM	5 responses 59 views 0 reactions	Last Post by Tom_x 09-07-2025, 02:17 AM
Marshall Stanmore Repair by ToxicGumbo Started by ToxicGumbo, 12-26-2017, 11:05 AM	149 responses 91,220 views 0 reactions	Last Post by iso14000 09-06-2025, 01:12 PM
Dewalt DCR020 Power Board – No Power, Need Help Identifying ICs / Possible Replacement by snipersquad100 Started by snipersquad100, 09-01-2025, 10:57 AM	5 responses 57 views 0 reactions	Last Post by madan1 09-05-2025, 03:14 PM
AIWA mx-70 distortion by oboyled Started by oboyled, 09-04-2025, 11:56 AM	2 responses 15 views 0 reactions	Last Post by stj 09-04-2025, 01:35 PM
LG RL4 (i made a mess) by elmontador Started by elmontador, 09-02-2025, 03:31 AM	1 response 22 views 0 reactions	Last Post by madan1 09-03-2025, 02:08 PM
KENWOOD KA-701 POWERS ON, NO RELAY CLICK by rccrasher65 Started by rccrasher65, 04-11-2025, 08:03 AM	216 responses 1,484 views 0 reactions	Last Post by rccrasher65 09-02-2025, 05:57 PM
Schematic for Focusrite Scarlett 2i2 3rd Gen by Momo_the_duck Started by Momo_the_duck, 09-01-2025, 10:03 AM	0 responses 38 views 0 reactions	Last Post by Momo_the_duck 09-01-2025, 10:03 AM
Onkyo TX-NR809 – no hdmi, DTS or NAND chip ? stuck at starting kernel by tranquility Started by tranquility, 08-25-2025, 01:04 AM	0 responses 29 views 0 reactions	Last Post by tranquility 08-25-2025, 01:04 AM
can anyone help me find schematics or boardview for MM1500KFD (down4sound amp) by 225xtrap Started by 225xtrap, 08-19-2025, 01:07 PM	10 responses 103 views 0 reactions	Last Post by CapLeaker 08-21-2025, 07:37 PM
Philips DS9800W/10 red blinking of death. Revive via JTAG? by hasefroch Started by hasefroch, 10-11-2016, 06:33 AM	2 responses 3,648 views 0 reactions	Last Post by Panui 08-15-2025, 08:50 AM
Firmware file for LG SK10Y Soundbar stuck in Please wait loop needed by Daniel Larsson Started by Daniel Larsson, 08-13-2025, 10:29 AM	1 response 36 views 0 reactions	Last Post by Daniel Larsson 08-13-2025, 11:59 AM
Behringer Pro Mixer DJX-750 by Longon Started by Longon, 08-11-2025, 02:17 PM	5 responses 51 views 0 reactions	Last Post by stj 08-12-2025, 06:01 AM
Anker SoundCore 2 Bluetooth Speaker Turns Off After a Few Seconds (Possibly Firmware Issue?) by zklgfs Started by zklgfs, 08-11-2025, 02:14 PM	0 responses 21 views 0 reactions	Last Post by zklgfs 08-11-2025, 02:14 PM
Audio video receiver KENWood KR-V990D,no sound by JRade Started by JRade, 08-05-2025, 10:23 PM	1 response 77 views 0 reactions	Last Post by JRade 08-10-2025, 06:25 AM
Philips Streamium (MCi900) by Hagis2k Started by Hagis2k, 09-18-2018, 10:19 AM	1 response 1,632 views 0 reactions	Last Post by bios321 08-09-2025, 10:56 AM
sound blaster Z SE ,How to check these caps? by paparazzo79 Started by paparazzo79, 08-12-2024, 04:54 AM	20 responses 260 views 0 reactions	Last Post by paparazzo79 08-07-2025, 10:17 AM
Help on car amplifier only one channel works by mikey5791 Started by mikey5791, 08-06-2025, 10:36 PM	4 responses 50 views 0 reactions	Last Post by mikey5791 08-07-2025, 05:37 AM
Running out of Ideas, hoping someone smart can provide some for my ONKYO TX-SR353 Receiver by CDNBrewer Started by CDNBrewer, 08-05-2025, 09:29 PM	4 responses 76 views 0 reactions	Last Post by CDNBrewer 08-06-2025, 03:50 PM
Aiwa Z-R700 Music System has very low power when switched on, dim lighting and nothing works by pecman Started by pecman, 08-05-2025, 10:10 AM	1 response 19 views 0 reactions	Last Post by stj 08-06-2025, 05:19 AM
Denon AVR-2700H audio stops while receiver still works by Cornito Started by Cornito, 08-03-2025, 06:10 AM	4 responses 45 views 0 reactions	Last Post by Cornito 08-03-2025, 12:03 PM
Dynacord powermate 1600 block diagram. by hs5424 Started by hs5424, 07-31-2025, 01:35 PM	1 response 30 views 0 reactions	Last Post by hs5424 08-03-2025, 10:30 AM
Mackie CR4 monitors by UserXP Started by UserXP, 11-02-2016, 01:43 PM	77 responses 25,672 views 0 reactions	Last Post by UserXP 08-03-2025, 02:20 AM
Sony HCD BX7700dbi CMT flashing standby by rabbituk Started by rabbituk, 02-11-2025, 05:05 PM	1 response 65 views 0 reactions	Last Post by rabbituk 08-01-2025, 07:09 AM
EPA254 AUDAC Schematic Needed by Japanac Started by Japanac, 07-29-2025, 03:22 PM	1 response 29 views 0 reactions	Last Post by UserXP 07-30-2025, 02:03 AM

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