Repair

Help identifying smd device please!
I have perhaps foolishly tackled the repair of my freeview box - Tvonics MDR-250 - for which no service information appears to be available. I'm an amateur, btw. (Fault is it's powering on and immediately shutting down repeatedly.) I have a suspect component, marked Q700 on the PCB, suggesting that it's a trans... 27 Jul 2010 06:15

Dell W3000 aka LG W3000i vertical stripes on display
Has anyone had any luck with this issue? Starts out as light stripes starting at about 1/3 screen from RT side.for two inches This disappears and becomes a black background for 6" from RT side with overlay sets of white stripes and a single orange stripe. There is a small patch of black stripes in the upper ... 23 Jul 2010 15:50

Midiverb ii issues?
Hello, I'm an new electronic technician TRYING to grasp a hold of my troubleshooting skills. I have two Midiverb 2's on my bench currently. One I was able to repair by replaceing some bad Filter caps, but the other is still giving me all the indicator diodes are lit and the 2 digit screen is dead. I tested... 28 Jul 2010 21:46

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Concepts in Federal Taxation 18E Higgins 2011 ISM is available for purchase at affordable prices. Contact me at allsolutionmanuals11[at]gmail.com to buy it today. ... 22 Jul 2010 07:02

(Solved!) Air Compressor Problem - Motor Stalls
"Wild_Bill" <wb_wildbill(a)XSPAMyahoo.com> wrote: The main problem is that the motor is being overloaded. As mentioned already, induction motors don't get tired or exhibit lower power output with age. It's taken longer than I hoped, but I have finally put my air compressor motor back together and it's worki... 21 Jul 2010 18:02

PD-M551 CD Changer skips all discs
Back in November 2001, I posted a message to this group about my PD- M551 and got the right answer on the first try: http://groups.google.com/group/sci.electronics.repair/browse_thread/thread/547ab9dd5a0973cb/5a1a82b5a16e6477?hl=en&lnk=gst&q=steventhomas42#5a1a82b5a16e6477 I acquired and installed that ribbon ca... 24 Jul 2010 08:00

Paralleled Amplifier Wiring
Hi, I have a small stereo amplifier which came with two tiny 4ohm 3watt speakers. I'd like to combine the two channels of the amp in order to drive one, slightly larger, 8ohm 4watt speaker. The amp is of the non-bridgeable type, so I assume parallel wiring would be required - combining the two outputs together. ... 23 Jul 2010 10:17

C Audio Pulse 2x 1100 watt amp
Goes into protect mode at switch on. Useful info and schema on these G class amps http://www.reptips.dk/Reptips/CAUDIO.pdf as well as schema only, on e-service One smps supplies both amps and 4 rails, each rail supplies both ch, I've cut the "overdrive" rails temporarily and running on +/- 60V. Output has about ... 28 Jul 2010 04:12

Simple Hack To Get $2500 To Your PayPal Account.
Simple Hack To Get $2500 To Your PayPal Account At http://100bestvideos.co.cc Due to high security risks, i have hidden the PayPal Form link in an image. in that website On Top Side Above search box , click on image and enter your PayPal id And Your name. please don,t tell to any One. ... 21 Jul 2010 01:37

hissing sound coming from behind woofer on one side AR11
Anyone know what this means? This hissing sound isnt constant, it is irregular: It isnt related to the music or any movement of the cone or any signal put through it, though it doesnt happen when no sound is put through the speaker. Frankly it sounds more mechancial than electronic (as if there is something beh... 4 Aug 2010 13:37