Latest threads in Electronics Repairshow only best voted threads
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Replace lithium cell in discontinued battery?
I have a feature phone that's several years old, but still works fine. But the battery is on its last legs, and I'm having a problem replacing it. The battery is an Alcatel CAB3120000C1, which is...
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8 years ago
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Power Supply For HP dv1040us Laptop
Does anyone know if a novice armed with just a few Phillips screwdrivers can easily replace the power supply of an HP dv1040us laptop? Where would I purchase such power supply? Apparently mine has...
7
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8 years ago
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7 | |
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Charging gel cells in series
I have a customer who wants to buy twelve 12.0 volt 8.0 AH gel cells from m e. He uses these in his fire alarm panels and wants to keep a quantity in s tock for when one of these panels goes down for...
15
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8 years ago
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15 | |
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www.cablesonline.com Warning
Hi, I bought two different 2.5" IDE extension cables from and both had manufacturing defects with the female connector. I returned them for a refund, but I only received a refund for the items, not...
3
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8 years ago
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3 | |
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radio time code clock error
Anyone any insight into this error? Yesterday , coincidently? the longest day. Set the alarm function for 06:30. Luckily woke just after 06:00 and decided to get up . Synchronous mains clock read...
52
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8 years ago
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52 | |
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VOX AC15 repair
** Hi, not some relic from the 1960s, but a near new looking combo called an "AC15 HW1X". The HW indicates the deluxe "hand wired'" version - see pic. 3.jpg Features a bright blue, 12 inch Alnico...
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8 years ago
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Service Info Needed For Sony TFM-3750WTransistor
I purchased a Sony TFM-3750W AM/FM transistor radio that has the FM antenna wire removed and need to know where it is connected on the circuit bord. Even a picture showing where the FM antenna wire is...
1
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8 years ago
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1 | |
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Direction of an AC motor revisited
Just wanted to get back to the group about this AC motor that was running i n reverse after being disassembled and then put back together. It turns out that reversing the brushes did indeed reverse...
24
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8 years ago
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24 | |
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How Do I Make a PCB Shock Resistant?
Good morning, all. I'm brand new to hands-on electronic repair so please pa rdon any silly questions. I recently acquired a Geiger counter manufactured in 1962 and I am rebuildi ng it. The PCB is 4" x...
6
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8 years ago
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6 | |
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Newbie Question: Filing Down Component Leads
Good morning, all! While technically minded, I am brand new to repairing PC Bs. I'd therefore greatly appreciate relatively simple explanations and you r indulgence of my ignorance. I recently...
12
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8 years ago
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Repairing pc traces on a multi-layered board.
The pc board is from a Korg piano. The model number is C-56M. Schematic is here. The relevant pages of the service manual are page 30 for the pc board view and page 121 for the schematic. Photo of the...
8
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8 years ago
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Network cable
How close to power lines in the attic can network cable be without causing interference.
3
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8 years ago
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Sony KV36XBR450
accidentally some one applied 230 volts to TV blank no power,After checking power supply board found fuse of 3 amps and checked but blows again what can go wrong
2
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8 years ago
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2 | |
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Samson XML610 pwr mix
Hi, Chinese made, 12 input chs, SMPS with Class D amp rated at 2x300W @ 4 ohms, still current model. One of the above on the bench, SMPS allegedly blew at switch on. Mosfets shorted plus drive IC,...
1
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8 years ago
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1 | |
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Replacing iPad digitizer hints
To All, I broke the digitizer on my iPad. I watched the videos online and read the instructions. Nevertheless I tore the wifi antenna in half and somehow damaged the ribbon cable that goes to the...
1
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8 years ago
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