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 190,705 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 1,199 views 0 reactions	Last Post by momaka 07-05-2023, 01:45 PM
Denon Mc6000 channel 1 completely non-functional by falcontech Started by falcontech, Today, 09:03 AM	0 responses 3 views 0 reactions	Last Post by falcontech Today, 09:03 AM
Yamaha DXR15 Powered Speaker Fault LED On by MobileXT Started by MobileXT, 01-17-2025, 12:43 AM	33 responses 391 views 0 reactions	Last Post by CapLeaker Today, 04:05 AM
Dewalt DCR020 Power Board – No Power, Need Help Identifying ICs / Possible Replacement by snipersquad100 Started by snipersquad100, 09-01-2025, 10:57 AM	1 response 26 views 0 reactions	Last Post by madan1 Yesterday, 02:27 PM
LG RL4 (i made a mess) by elmontador Started by elmontador, 09-02-2025, 03:31 AM	1 response 16 views 0 reactions	Last Post by madan1 Yesterday, 02:08 PM
KENWOOD KA-701 POWERS ON, NO RELAY CLICK by rccrasher65 Started by rccrasher65, 04-11-2025, 08:03 AM	216 responses 1,466 views 0 reactions	Last Post by rccrasher65 09-02-2025, 05:57 PM
Kenwood KR-6030 vintage stereo ,Old Man Trying to Save a Buck by DrDos Started by DrDos, 08-08-2025, 03:16 AM	67 responses 472 views 0 reactions	Last Post by DrDos 09-01-2025, 07:06 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 34 views 0 reactions	Last Post by Momo_the_duck 09-01-2025, 10:03 AM
Yamaha RX-A1040 internal error by Tom_x Started by Tom_x, 08-31-2025, 03:55 AM	4 responses 46 views 0 reactions	Last Post by Tom_x 08-31-2025, 09:11 PM
Vintage SONY Digital Clock Radio ICF-C12W no audio by UserXP Started by UserXP, 07-21-2025, 08:35 AM	187 responses 1,590 views 0 reactions	Last Post by stj 08-28-2025, 08:46 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 22 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 95 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 3,640 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 31 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 43 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 19 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 66 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 1,626 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 259 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 42 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 25,644 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 60 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 131 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 915 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 114 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 123 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 3,877 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 75 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 63 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 20 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 27 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 34 views 0 reactions	Last Post by oism 07-14-2025, 01:20 PM

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