Latest threads in Electronics Repairshow only best voted threads
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What battery chemistry did Polaroid use 20 years ago in its Polarpulse batteries?
I have four 20 year old "POLAROID POLARPULSE" batteries that still read 5.8 6V when I measure them. They are about 2" x 3" mounted on a heavyweight pi ece of paper that is 3" x 4". They have been kept...
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8 years ago
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Sony TCD-D8 DAT Walkman no longer fully loads tape cartidge.
I've hunted all over and find decades old information on this being a typical problem for this unit, but cannot find the parts & instructions on how to fix it. I Have The Tools Anyone familiar with...
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8 years ago
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4 | |
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Direction of n AC motor
We had to take apart a motor from a Rigid thickness planer to resurface the commutator. We reassembled the motor and as crazy as this sounds we think that its now running in reverse. If we...
4
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8 years ago
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Replaced my Sony 55w802A mainboard what next
Hi, I replaced the main board on my sony 55w802A with a 47w802A. The TV comes on and even flashed SONY across the screen once while trying to reset it t o factory setting. However, it usually comes up...
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8 years ago
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Samsung NP350V5C laptop repair
Hello all, I am trying to repair the above Samsung laptop which just produces a series of clicks when you press the power button? I have tried powering up without the battery and removing any residual...
2
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8 years ago
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SMPS wall wart failure.
I have a Netgear cable modem. It is powered by a Jentec Technology AF1205-B power adapter. The adapter failed and I replaced it with another adapter but of course I was curious what the fault was. I...
11
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8 years ago
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Plugging 2.5mm monaural into 1/8" steeo. ????
I didn't start working on this soon enough to buy the proper airplane adapter for sound, like or charge 5500 LBP Lebanon Pounds!! Not enough time to ship from Lebanon. Office Depot used to have this...
5
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8 years ago
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thermocouple ID
I have come across a thermocouple that I can't identify. From other factors, I suspect it is a type K, but that's what I want to confirm (because if it's not, the temperatures will be wrong). All...
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8 years ago
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Mystery temperature sensor
Found in a yoghurt maker whose heating element never turns off : Black plastic, 23.3 x 6.7 x 3.6 mm with two wires (red and black) coming out of one end. Marked TI-30 70 S2. Judging by the shape, it...
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8 years ago
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How much power is used by the final stage?
How much power is used by the final stage? Got a new Sandisk Clip, a very small MP3 player with an FM radio. Built in battery, recharges from USB. I will probably forget to do this. Am I correct,...
17
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8 years ago
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RF getting into my test equipment?
I presently have two old, (PRC77's for whoever may be familiar with these), ex military portable FM back pack radios on the bench that I'm checking ou t. These units tune 950 channels between 30 and...
3
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8 years ago
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SS Relay causing failure of induction motors?
I have installed a thermostat in my garage to control a fan placed on a she lf in front of the peak vent. The thermostat box has a 6V AA battery pack w hich switches control voltage to SS relay near...
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8 years ago
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National VCR question
Hello from Portugal Where is the tuning button (or equivalent) on a National L15EN VCR? I can't find it anywhere! Best regards, Afonso Gageiro
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8 years ago
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can u provide a diagram on how to thread the rubber belts for the tape decks
Hi, Can you help with a diagram for the threading of the rubber belt on the Aiwa NSX 999 tape decks? Tks for yr anticipated help.
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8 years ago
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Crawford 41A3039 garage door opener
Made by Chamberlin. Receiver quit working, PCB is labeled 14LG300F. Need schematic. Thanks, Mikek
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8 years ago
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