Repair

Call for papers (Deadline Extended): HPCS-10, USA, July 2010
It would be highly appreciated if you could share this announcement with your colleagues, students and individuals whose research are in parallel computing, distributed systems, operating systems, computer architecture, grid-computing, VLSI, and related areas. Call for papers (Deadline Extended): HPCS-10, USA, J... 26 Mar 2010 11:59

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3 pin TO92 size IC , identify ?
with all this written on the tiny flat face , immediately prior to the meter of a metal detector 7150A-1 A407C0042 , maybe G in the middle unlikely voltage regulator Holtek HT7150A-1 Transistors marked Q and ICs , like this , marked IC on the overlay, about 2002. ... 28 Mar 2010 21:11

Need help with a Powerful Yorx Receiver - Relay problem
I got a (huge) Yorx receiver at an auction. I paid a whopping $2 for it. It's a huge receiver with a real wood (plywood) cabinet. It comes with AM-FM radio, casette, and of course amplifier. When I plugged it in, nothing happened, but all of a sudden the dial lights lit up, but went back off. After opening it ... 26 Mar 2010 10:23

XLR to Minijack Repair
I have two and 1/2 stereo adapters that take mic/line level inputs and match impedance (not sure on this one) to a 8/32" stereo phono jack for a video camera. We suspect that some of the x-formers are bad in the unit. Would this most likely be Low to high Z x-former or just 1:1 isolation transformers. The 1/2 si... 26 Mar 2010 21:43

Oops.. Semi OT - Removing antenna mount from car window...
My son just bought a used car which has an antenna mount for a satellite radio stuck on the outside of the rear window. It's a lump about 1-1/2" square with a short male threaded antenna starter piece sticking out of it. He's no intention of getting a satellite radio and asked me how to safely remove that p... 26 Mar 2010 04:42

Semi OT - Removing antenna mount from car window...
-- Jeffry Wisnia (W1BSV + Brass Rat '57 EE) The speed of light is 1.8*10e12 furlongs per fortnight. ... 25 Mar 2010 17:27

CHASE GPR4403 Laboratory Receiver Service manual PLEASE
A plea for HELP. We have a CHASE GPR4403 laboratory test receiver displaying UNCAL on the LCD. The operators manual describes this message as relating to a RF or IF fault. Trawling the web I find that CHASE have been taken over several times since our receiver was manufactured and emails to the new owners draw a... 25 Mar 2010 05:46

Anyone with a transistor equivalent guide please? 2SD2214
Hi, I'm trying to repair a rather messy bodge job on an audio effects rack unit. The components requiring fixing are all surface mount, including a 2SD2214 transistor which is now obsolete. If anyone has a transistor equivalent guide then please could you look up for a modern equivalent for this device? Would be mu... 25 Mar 2010 09:08

Looking for hidden service menu - panasonic DMR-E50
Panasonic DMR-E50 dvd and hard drive recorder I can't seem to locate the hidden menu. I know it exists. I did a search and found incorrect information that states " Press and hold for 5 seconds the OPEN/TimeSlip/Left Skip. The machine enters SERVICE MODE." but this is wrong. There is no open button on the re... 25 Mar 2010 16:13