Latest threads in Electronics Repairshow only best voted threads
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hum-loop-like problem
Laney VC30 valve amp, works fine in its own accord. But owner wants to set it up with another amp , another make and solid state if relevant, for a pseudo stereo set up using the A and B outputs of a...
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12 years ago
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Aiwa P30 Power Amplifier Fault
Hello, I am trying to diagnose a fault with an Aiwa P30 DC Stereo Power Amp. It is part of a mini separates system consisting of a separate tuner and pre-amp. The power amplifier does not output any...
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12 years ago
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OT: Calibrating a sound level pressure meter
Just for my own purposes so relative rather than absolute but if possible to calibrate then all the better. No access to a calibrated one to cross-calibrate, falling ball calibrator etc. An old Dawe...
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12 years ago
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15 | |
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Suitable Substitute for Freon TF Solvent
Hi Folks, Many years ago, while I was a telephone central office technician, I used to use a lot of Freon TF solvent. I really loved using it because it did such a great job. Fast forward to today. I...
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12 years ago
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No sync crt Tv
I need some help 'cause Italian NG or formus doesn't help me much.. Many years ago i've much probably caused a damage to a Daewoo DTG2997 crt Tv (chassis C1000) connnecting a computer to it, one 12v...
3
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12 years ago
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way OT: thrashing swap file in W2K
I'm looking for a likely solution from someone who's seen the same problem and fixed it -- not theoretical speculations. I expect to buy a new computer early next year, (presumably) eliminating the...
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12 years ago
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Rechargable batteries
Forgive my lack of knowledge re batteries ... I have a Panasonic cordless phone (KX-TGA101S) using Pan. AAA MiMH rated at "Min 550 mAh". Are these appropriate as replacements: and would they work OK...
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12 years ago
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unijunction needed
Looking for an SSI part. MSU 112-2 I need ONE but will take a few more if absolutely necessary. I am not looking for a minimum order of a few hundred. remove the first alp in the adrs to contact. I...
4
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12 years ago
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Mix and match speaker impedance
Hi All, I have a Panasonic SAHT670 that has worked well for quite a few years and it kinda died. The details are in my other post here "Panasonic Home theater unit - mods?" I am wondering if I just...
9
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12 years ago
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Panasonic Home theater unit - mods?
Hi All, I have a PanasonicSAHT670 that has worked well for quite a few years. Recently the 5-DVD changer has begun jamming. I could get a replacement for about 80-bucks but it is a major tear down as...
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12 years ago
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Need help with switching power supply repair
I am trying to troubleshoot a small SMPS that came from an A/V switcher. Input is 120vac and it is supposed to output + and - 15vdc at .8A. Currently it is outputting +17 on one output and somewhere...
32
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12 years ago
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Alliance U100 antenna rotor
I used to install the Alliance U100 rotors for all my antenna jobs. These rotors had 4 terminals that connected to the control box. I just came across an Alliance rotor that looks just like a U100...
6
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12 years ago
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Homebrew emergency power system - advice needed please
Hi I could use some feedback regarding a brainstorm of mine. I'm in the process of building an emergency power system for home use. The main questios are regarding supply and re-charging. For the...
9
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12 years ago
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why Dc Adapter get faulty on UPS?
Can anyone please tell me that Why do DC Adapters get Faulty on UPS ??
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12 years ago
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Exploring rotary encoder problems
Deeper than just saying clear out the grease. 2 in 2 days, first input selector of an amp , not explored in depth, second vol control of a music centre. First had radial contacts that were slightly...
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12 years ago
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