Hi guys
l am looking for Lenze 532 speed controlller schematic. Will be grateful for any assistance.
l am looking for Lenze 532 speed controlller schematic. Will be grateful for any assistance.
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I need schematic for 6-77-NP50PNJY-D02B-3C it would be very much help. -
Asrock fatality x299 gaming k6 i need schematics, i see 2 pages that have that but i cannot buy to get that.
If somebody is a member on any page for schematics please send me one...04-27-2025, 03:47 AM -
Hey everyone,
I'm currently working on a mid-70s Sharp Electronic Digital Clock Radio, Model FY-70CH. I found the service manual online, printed it out, and have been studying it for a while. My main reasons for tackling this are: (1) I want to learn electronics and figured I'd start with something I had on hand, and (2) I want to fix its issues. Right now, the radio sounds awful, has about 5V DC at the speaker terminals, and the alarm time setting doesn't work. But I'm not asking how to fix these problems.
Instead, here's what's been bugging me so far:
The schematic... -
Ii wonder if anyone can help me. I have a Acer x163w monitor which is not powering up. The PSU main capacitor's one leg had completly come off - I replaced it but the PSU is still not outputting DC. I found the monitor in questions service manual here on manuals lib but the schematic in there is a completely different - the schematic shows no mosfet to drive the transformer while the one I have does use a mosfet - also the schematic shows only one optocoupler but mine has two.
The PSU board is labelled FM-20A02-AAA made by APD as per the image below. I am trying to find a schematic for this... -
Hello,
I've repaired a few laptops in my life but this time my own laptop died😂.
Funny enough this one is a bit tough on me.
It doesn't turn on (most of the time).
Model: Lenovo y520-15ikbm (NM-391).
The only way to make it turn on is:
1) unplug battery + charger + rtc (seems irrelevant)
2) wait a minute
3) plug battery/charger in
4) on charger plugin, laptop turns on by itself. On battery plugin you have to press power button. Sometimes nothing happens and you have to try again.
5) when it turns on it also displays POST...