Repair

Clueless customers
I need to rant... Welcome to life in the slow lane. I got an email from a customer asking what type of contact cleaner to use on his laptop keyboard. I grab the phone, call, but too late. He had already sprayed contact cleaner all over (and under) the keyboard. Instead of a few "push hard to operate" keys, h... 15 Mar 2010 21:51

Schematic Software Schematic Software
Schematic Software Schematic Software Schematic Software Schematic Software SchematicPro, Custom Design Electrical Schematics Exstensive Parts Library, Import Export Schematics Save in many formats including graphic files http://vehiclerepair.org/schematicpro/schematicpro.htm ... 11 Mar 2010 00:13

Need a sound recorder, what should I get?
Need a sound recorder for recording noise intrusion from an adjacent tenant. Using Sony ICD-SX700 did not achieve very good results. What should I use? ... 8 Apr 2010 20:50

Update: Charging MP3 Player, Coby MP620-4G
Hi, Since my original post, I bought the Coby MP620-4G MP3 player. The OM says to use a "high power" USB port (computer). There is no other information in the OM or at their web site on a recommended charging current if using a different source. I can set the maximum current limit on my lab quality ... 12 Mar 2010 21:48

B&K 3025 sweep Gen
Anyone out there got a manual for the B&K 3025 Sweep gen? I only need the calibration instructions. TIA, JC ... 9 Mar 2010 16:57

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Who says incandescent lamps are dead ?
http://eetweb.com/lighting/incandescentlamps030510/ bob ... 12 Mar 2010 06:07

CRT TV SMPS
I continue to try and repair a CRT TV. The set's main SMPS is a discrete, self oscillating design. The set powers up for a few seconds and then shuts down; I think the Micon controller chip releases the AC relay. The B+ open circuit voltage is 139V (ie disconnected from the horizontal output). When a 60W bulb is su... 10 Mar 2010 15:20

3.3V on a 3V device?
I'm wondering if running a 3-volt device (cheap digital camera) on 3.3 volts will hurt it. Yeah, I coulda gotten a 3-volt wall wart to run it, but it was expen$ive. The 3.3V regulator I got was a little more than a buck. Haven't tried it yet. What say the experts here? (I also thought about bringing the vol... 14 Mar 2010 17:41

Zoran ZR36707- need pinout or datasheet
Hi! I don't really need to know the DVD decoding methodology, just need to find the I/O pins to probe to determine if the laser pickup or the decoder board is bad. My guess is that the datasheet includes everything, and that they're unlikely to excerpt it. But you never know...and that was why I suggeste... 8 Mar 2010 15:17