| Subject | Text |
| Subwoofer preamp | Hi guys,
I've recently upgraded my stereo to a digital setup, however I'm not sure what to do wit |
| Technics ST-K808 (tuner+preamp) service manual | Hello.
I am looking for a schematics for the Technics ST-K808 tuner/preamp. Symptom is loss of vo |
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| SONY STR-DG720 Preamp Section Problem | This is a real puzzle -
I have a Sony DG720 with some out of whack voltages on the UPC2581 pream |
| IC PREAMP for Kenwood KRC 210 | I Have Car Stereo for Kenwood KRC 210 but....
I Dont Have the type for IC Preamp
Can Anyone help m |
| LR Baggs Venue acoustic preamp repair | I did a bad thing and plugged my LR Baggs Venue into a wall wart with the wrong polarity. The preamp |
| Sony Camcorder VX9000 Stuck Iris | Any thoughts? I have the service manual but it only really mentions the lens block.
Has anyone e |
| Searching for schematics: SONY TA-E 1000 ESD preamp | The title line tells it all - to be more specific: the device looses it's memory when removed for th |
| SANSUI pre-amp C-77 | Please help me to an servicemanual or schematics of a Sansui C-77
Thanks |
| NAD 1020B Preamp service manual | Hello all,
I am looking for a NAD 1020b service manual. If you have one you could share I would gre |
| Old toshiba amp and pre-amp only outputting high freq. | My stereo (old toshiba/aurex components) is only outputting higher frequencies. It doesn't sound muf |
| Carver C-20v a/v preamp schematic needed | Hi, If you have a service manual or schematic it would be appreciated. Thanks! |
| Sansui C-77 preamp OWNERS manual... | looking for above, NOT the service manual or schematics.
Thanks, much, Tom |
| 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 |
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| 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 |
| Here is a couple of schematics.
The yellow is the pcb for the lamps and all you need is two wires d |
| First off, sorry about all the double and triple posts. I've justmade another interesting find. Thee |
| No sound from a Sony MDP-V9K | I have an old Sony MDP-V9K Lazerdisk player with no sound, power and picture work fine.
It was bein |
| [quote:fcb0f223cd="fongs"]Then u could be having a bad transistor, dying up capacitor or bad groundi |