Latest threads in Electronics Repairshow only best voted threads
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L2 Audio, PA1000 slave amp
No schematic seemingly available, anyone know if circuit similar to anything else? Owner no longer remembers what the problem was. Protect LED goes from red to green and blue power LED comes on. Cold...
4
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7 years ago
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4 | |
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Confused by Comcast "fees" & Samsung SX022ANM
I'm confused by Comcast Comcast "Broadcast TV Fee" of $6.50 and the "Regional Sports Fee" of $4.50 and the Samsung SX022ANM "thing". I'm trying to help someone else who is in an apartment and moving...
12
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7 years ago
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12 | |
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BIOS date and time in a Pentium 4 not adjustable.
A Pentium 4 with Intel system board here. When powered up the screen displays GB85010A.86A.0078.P18.0110081719 ... CMOS Battery Low CMOS Date/Time Not Set No response to any keys when attempting to...
10
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7 years ago
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10 | |
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circuit breaker overheat
Had two circuit breakers do something odd at home. One tripped, and I assumed somebody had a space heater and a hair dryer on at the same time or something. Then, a breaker for my computer room...
9
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7 years ago
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9 | |
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Problems with old motor cap?
Hey All, I have an old Baldor bench grinder. Probably 70 years old or older. The motor is the type that uses a capacitor for starting and running. There is no centrifugal starting switch. I know this...
12
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7 years ago
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12 | |
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Why should someone replace ALL the capacitors on old Tube equipment?
Why should someone replace ALL the capacitors on old Tube equipment? It seems that some people advocate that. I understand that the electrolytic caps contain chemicals which decay over time, from the...
119
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7 years ago
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119 | |
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Transformer Question
I was looking at the commercial isolation transformers and they are very costly, so I decided to build my own. After all, all they are is a transformer with a power cord on the primary and an outlet...
10
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7 years ago
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10 | |
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Right to repair
This might be of interest. A farmers group is leading a movement to require manufacturers to supply service information, parts, etc. So, far, legeslation has been introduced in 6 states. Kansas, Mass,...
31
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7 years ago
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31 | |
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Do they still sell multi-part electrolytic capacitors?
I want to re-cap an old tube type shortwave radio. I dont mind using plastic coated caps to replace the old paper-wax ones in the circuit. (Meaning the smallish ones, such as .05 .02 .001, etc.)...
30
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7 years ago
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30 | |
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Belton BTDR-1H, reverb unit
First one I've come across, anyone know what is inside? too big to be bucket-brigade and regulator and a couple of opamps. i don;t believe this supposed schematic 7 pins to the outside world and pic...
4
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7 years ago
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4 | |
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Panasonic DVD Recorder DMR-ES20 takes Long Time to Initialize
Hi, Note: I did electronic service work for many years. Note: This DVD recorder does NOT use a computer. It has AV inputs and outputs plus a built in TV type tuner. My Panasonic DVD Recorder DMR-ES20,...
17
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7 years ago
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17 | |
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HDMI receiver with HD radio tuner
This is going to be hard to believe, but I am in the market for a new receiver and I want one with HD radio tuner. The people at Best Buy, and the Magnolia group within Best Buy don't seem to...
11
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7 years ago
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11 | |
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Vox AC30VR, 2009, PbF
Firstly does VR stand for Visual Replica, LM3875 amp with 1 valve, a bit smaller and lighter than the original. Originally thinking channel change sw prob as dirty ch good, clean cutting out (with...
2
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7 years ago
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Windows based DVR problem, (Speco DVR - PC8)
I installed this unit for a friend about 12 years ago. It is a windows base d 8 channel security type DVR. It uses XP as an operating system. This was made by Speco. They no longer support it. My...
9
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7 years ago
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9 | |
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LG RH398H-M not working
Hi folks, Got an LG RH398H-M DVD recorder, one of those stand alone units. When you t urn it on the display says "Hello... Hello..." and then keeps scrolling. I can't access the menus or open the dvd...
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7 years ago
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