| Subject | Text |
| teac receiver- protect mode, all output transistors are ok. | like the title says, TEAC AG-V8500, I cant seem to figure out why this receiver is going into protec |
| Testing the circuit is to be done with the power off!!
Do not apply power until you are sure you ha |
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| [quote:e6a73c2eac="opal"]Thanks for the Info,
i have to addmit, im not into Musik really, so i dont |
| There could be many things...
I used to work with various Yamaha receivers & to the best of my |
| DIY Disasters | This is a common problem with Onkyos. There are about 10 muting transistors located on the preamp bo |
| New "findings" | OK, no one seems to care about this thread, but I'll post my latest thoughts about the red-level iss |
| Help on RPTV Sound | I have a Hitachi 61SWX10B about 3 1/2 years old. Recently the sound has been crackling and gets wors |
| ..did not know it had a mechanical volume control. As kenray suggested, try cleaning it with a clean |
| 120 cycle hum of death! | I'm working on Kyocera receiver that is giving a nasty 120 Hz hum. It plays fine and sounds good onc |
| Speakers and wiring are good. The distortion is there regardless of input - whether internal (tuner) |
| Rotel RA980BX distortion | At the moment Im unfortunately working without a circuit diagram, but I do have the benefit of one c |
| Ok. So if it's the preamp, I'm thinking it would probably be something like a capacitor that was the |
| New here, amp repair? | Hi people,
I'm not exactly well versed in electronics. I know how to be safe, I can solder and |
| Channel imbalance was in fact down to damaged speaker cable but nonetheless unit now back to factory |
| YAMAHA RX-V2500 PA Problem | Hi All
I hope someone can help with this:
I have a RX-V2500 on the bench with what I believe |
| I look for U. and Serv. manual: Marantz 2265, I can exchange | I look for User and Service manual:
Marantz 2265-
Superscope by Marantz R1240,
Sony STR-V5,
Ai |
| If anyone has some info on this amp please post a reply here
i also have one Prinzsound SA-5001
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| Service manual/help for TASCAM US-122 usb audio card | Hello to all
I have in repair a tascam us-122 audio card
The left channel is not working I have |
| Which transistor blew? Was it a main output transistor or smaller one in the pre-amp stages? Why did |
| My manual says 'preamp' in exploded views and 'processor' in schematics. |
| onkyo TX-DS575X AV Receiver | This is a common problem with Onkyos. There are about 10 muting transistors located on the preamp bo |
| Thanks for the very good suggestions torbjorn.
Wish I could scope out some waveforms but my old s |
| [quote:483830b19d="Anonymous"]Do all of the powersupplies test within specifications? What do the ou |
| Sub-woofer hum | I have a pair of Atlantic Technology 352 PBM powered sub-woofers. They both developed the same prob |
| HELP stero repair | my first post, thanks for reading. i am repairing my bosses (i know!)vintage receiver, pioneer sx95 |
| Telefunken stereo green sensor button problem | Can anyone point me to a repair shop capable of repairing a Telefunken "electronic center 6001 |
| Re: onkyo TX-DS575X AV Receiver | [quote:847b137c3e="Lurker"]This is a common problem with Onkyos. There are about 10 muting transisto |
| Had the same problem, but AN 5270, dont seem to work as replacements, if you get one from a similar |
| It worked! =D | Quick update guys...
I've replaced IC302 (MC14052) - 4-ch multiplex and it worked! This IC functi |
| Guitar amp problem | Hi folks, don't know if anyone can help me but my problem is this:
I've got a Sessionette 75 guit |