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 190,345 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 1,197 views 0 reactions	Last Post by momaka 07-05-2023, 01:45 PM
Vintage SONY Digital Clock Radio ICF-C12W no audio by UserXP Started by UserXP, 07-21-2025, 08:35 AM	177 responses 1,425 views 0 reactions	Last Post by CapLeaker Yesterday, 04:20 AM
Kenwood KR-6030 vintage stereo ,Old Man Trying to Save a Buck by DrDos Started by DrDos, 08-08-2025, 03:16 AM	51 responses 281 views 0 reactions	Last Post by DrDos 08-22-2025, 02:11 PM
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 85 views 0 reactions	Last Post by CapLeaker 08-21-2025, 07:37 PM
Yamaha DXR15 Powered Speaker Fault LED On by MobileXT Started by MobileXT, 01-17-2025, 12:43 AM	26 responses 327 views 0 reactions	Last Post by CapLeaker 08-18-2025, 03:24 PM
Philips DS9800W/10 red blinking of death. Revive via JTAG? by hasefroch Started by hasefroch, 10-11-2016, 06:33 AM	2 responses 3,637 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 26 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 41 views 0 reactions	Last Post by stj 08-12-2025, 06:01 AM
KENWOOD KA-701 POWERS ON, NO RELAY CLICK by rccrasher65 Started by rccrasher65, 04-11-2025, 08:03 AM	211 responses 1,396 views 0 reactions	Last Post by rccrasher65 08-11-2025, 07:46 PM
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 18 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 61 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 1,620 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 255 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 37 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 71 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 40 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 29 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 25,609 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 59 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 28 views 0 reactions	Last Post by UserXP 07-30-2025, 02:03 AM
Bad DC offset on Onkyo TX NR414 - doesn't appear to be in the analogue section by jjne Started by jjne, 07-28-2025, 07:51 AM	3 responses 43 views 0 reactions	Last Post by jjne 07-28-2025, 04:58 PM
Fender Acoustasonic 100 / 150 repair by CapLeaker Started by CapLeaker, 07-26-2025, 02:06 PM	1 response 44 views 0 reactions	Last Post by CapLeaker 07-26-2025, 05:50 PM
Schematic vs. Reality: Where Are the Resistors on My Sharp Clock Radio? Model FY-70CH by TinkerTron Started by TinkerTron, 03-06-2025, 02:03 PM	8 responses 128 views 0 reactions	Last Post by lti 07-26-2025, 12:00 PM
JBL PARTYBOX 1000 NO sound NO 50V by AlexVG Started by AlexVG, 03-11-2025, 06:55 PM	7 responses 863 views 0 reactions	Last Post by AlexVG 07-26-2025, 11:13 AM
Crate guitar amp with extremely loud static on power on (no input) by mon2 Started by mon2, 07-18-2025, 06:40 AM	18 responses 111 views 0 reactions	Last Post by stj 07-26-2025, 07:37 AM
Recapping a Denon AVR X6400h SMPS by Green Probe Started by Green Probe, 07-18-2025, 03:36 PM	9 responses 119 views 0 reactions	Last Post by Green Probe 07-25-2025, 10:02 AM
Harman Kardon AVR 171S - standby led lights up, does not turn on by madsox Started by madsox, 09-24-2022, 10:46 AM	16 responses 3,855 views 0 reactions	Last Post by Bjurstrom 07-25-2025, 01:46 AM
need help to identify a failure on DIY guitar pedal (MXR Micro Amp) by SrMrPixel Started by SrMrPixel, 07-24-2025, 12:42 AM	5 responses 32 views 0 reactions	Last Post by stj 07-24-2025, 05:38 PM
Onkyo A8200 - Not the right voltages in some transistors by Francesc V. Started by Francesc V., 04-19-2025, 07:17 AM	2 responses 69 views 0 reactions	Last Post by Francesc V. 07-24-2025, 07:04 AM
FenderFM212R reverb problem. by hs5424 Started by hs5424, 06-30-2025, 03:58 AM	11 responses 68 views 0 reactions	Last Post by mon2 07-18-2025, 06:25 AM
Rotel RSX-1056 amplifier. Troubleshoot a noisy channel by Francesc V. Started by Francesc V., 07-15-2025, 01:33 AM	5 responses 60 views 0 reactions	Last Post by CapLeaker 07-17-2025, 04:33 AM
Any helpful Apple Airpods Max repair tutorials? by dbuergi Started by dbuergi, 07-16-2025, 01:07 AM	0 responses 19 views 0 reactions	Last Post by dbuergi 07-16-2025, 01:07 AM
[Help Needed] Yatour YT-M06 (Pioneer 1) – Firmware or Schematic Request by EduCabral Started by EduCabral, 07-15-2025, 12:26 AM	0 responses 23 views 0 reactions	Last Post by EduCabral 07-15-2025, 12:26 AM
service manual yamaha musiccast 50 wx-051 ? by oism Started by oism, 07-14-2025, 01:20 PM	0 responses 29 views 0 reactions	Last Post by oism 07-14-2025, 01:20 PM
Service manual yamaha ns-nsw100 ? by oism Started by oism, 07-14-2025, 01:17 PM	0 responses 22 views 0 reactions	Last Post by oism 07-14-2025, 01:17 PM
Need schematic for JVC PC-X100 by TechGeek Started by TechGeek, 12-26-2015, 12:22 PM	5 responses 4,189 views 0 reactions	Last Post by gvcgvc3 07-12-2025, 11:07 PM
Marshall Stockwell 2 BIN file for Bluetooth CHIP by zakiyy Started by zakiyy, 11-27-2024, 10:57 AM	7 responses 511 views 0 reactions	Last Post by Silviu2 07-10-2025, 04:33 AM
My subwoofer was destroyed from my cat by goodpsusearch Started by goodpsusearch, 06-29-2025, 04:05 PM	3 responses 152 views 0 reactions	Last Post by ant3202 07-10-2025, 02:50 AM
Help with Yatour YT-M06 Pioneer Interface (firmware or schematic needed) by EduCabral Started by EduCabral, 07-09-2025, 11:57 PM	0 responses 21 views 0 reactions	Last Post by EduCabral 07-09-2025, 11:57 PM
Philips Soundbar TAB8507B/10 stopped working by zyklop Started by zyklop, 07-07-2025, 05:08 AM	1 response 46 views 0 reactions	Last Post by CapLeaker 07-07-2025, 02:47 PM

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