Latest threads in Electronics Repairshow only best voted threads
| Subject | Author | Posted | Replies | |
|---|---|---|---|---|
|
|
rec's for NiMH battery tester/charger?
I've got a big chunk of AA, AAA, and some C NiMh cells of varying ages... I'd love to be able to get a reading of how much charge they're still able to hold... My info on this is decades out of date,...
3
|
1 week ago
|
3 | |
|
|
Voltage halver.
A variable power adapter is required to drive a 6 V, 30 W incandescent bulb in a microscope. Similar to the 3-12 V 5 A adapter here. adapter providing 1.5-6 V output would be better but I haven't...
16
|
2 weeks ago
|
16 | |
|
|
Favourite Test Equipment
Hi all, I'm starting to get a bit fed up with having my test equipment blow up just when it's needed. This is the drawback with vintage gear; if it's not used frequently then it can go *bang* the next...
39
|
2 weeks ago
|
39 | |
|
|
Will apple ipad a1389 battery fit in an apple "ipad air 1"
Have a damaged ipad 1458 with a good battery and an ipad air 1475 1st gen needing one. Before I disassemble, anyone know if it fits? Thanks
2
|
2 weeks ago
|
2 | |
|
|
500 mi tv antena for radio
Can a 500 mile TV antenna work for radio? TV is digital and the signals are separated, but how will you separate radio stations that have the same frequency? Plus radio antennae have one contact but...
9
|
3 weeks ago
|
9 | |
|
|
RGB Mod in Panasonic CTP-2780SF
Anyone ever do one of these to a CRT? Seems like the set has this jungle IC which will be where the RGB lines for the OSD are needed for the mod: not sure what the line would be that tells the chip to...
—
|
3 weeks ago
|
— | |
|
|
Mitigating Signal Reflection
I'm new to electronics and I'm hitting an issue beyond my skill set. I should start by saying I'm not 100% sure signal reflection is the issue, but it's my best guess. I have a 3.3V clock signal that...
4
|
1 month ago
|
4 | |
|
|
PSU Ripple Update
Gentlemen (and others) I only get a few spare minutes a week to look into this, hence this update. Hopefully my latest finding might ring a bell for some of you and assist in pinpointing the fault...
17
|
1 month ago
|
17 | |
|
|
Kenwood DG-5 digital display service manual
Found some PDF's such as this one: the schematic area is pretty unreadable when you enlarge. Anything better around? Anyone out there ever work on one?...
—
|
1 month ago
|
— | |
|
|
Wireles printer net names
It seems my printer has two net names DIRECT-vrA5-TR4700series and CANON-ij-42222-TR4700series and confuses the computers. I have successfully printed but not predictably. I do not have a network set...
—
|
1 month ago
|
— | |
|
|
Baby Brezza Pro (FRP0045) will not stir or mix - blinking blue volume select.
Baby Brezza Pro (FRP0045) has a few youtube videos showing failure of the stirring/mixing operation. Various unpredictable solutions suggested, including banging the thing hard against the countertop....
—
|
1 month ago
|
— | |
|
|
Is it a capacitor, is it a resistor?
I was asked to repair a Pioneer QX-949 quadraphonic tuner/amplifier. It is a complex beast and one channel had gone down to almost nothing. Luckily the service sheet was available and I traced the...
10
|
1 month ago
|
10 | |
|
|
6v pilot lamp
Trying to locate replacement bulbs for an old Wards / Airline transistor radio, they are 6.3V but only 20mA rated. Higher rated current lamps are out there, but in this design they dim the bulb when...
8
|
1 month ago
|
8 | |
|
|
PSU Ripple
Returning to this Marconi signal generator which has a lot of ripple on the (linear) PSU output, I managed to get probes through a barely accessible crevice and get a couple of screen shots of the...
5
|
1 month ago
|
5 | |
|
|
USB functionality.
Hi, This photo, to me at least, that the phone can be charged while the keyboard, mouse and flash store are used. True? If this earbud set is connected via a USB A to C adapter, can audio output also...
11
|
1 month ago
|
11 |