hi
ive got a modern digital clock radio approx 15yrs old

my question is how long can a clock radio or a simple radio last ss farcas operating hours?

since elec components have limited hour lifecspan i would imagine the radio or clock radio would eventually fail.

the reason i ask is because i have my clock radio on radio function 24/7 for the past 7 years and its still working fine....i leave the radio on ..never turn off past 7years...thats approx 60000 hours

it uses very little power just a few watts i would imagine that may have something...

Hi everyone. I used Acer Travelmate 6292 with BIOS v.13112, Santa Rosa 1436 (VGA Bios version). This BIOS supported title letters for creating password on HDD.
A week ago an element on textolite burnt and I cant turn on laptop.
I thought that title letters support different types of BIOS.
I tried my new laptop lenovo and my friends old Acer and to regret nor mine nor his laptop doesnt support title letters in
Standart HDD 2,5 inches.
How can this problem be resolved?
Lots of BIOS versions of different types of laptops support title letters in password?...

Dear all,

I have this old radio clock by Sony from the early 80s, I guess. The clock display works, but is dim, the function board appears to be OK - but the radio unit shows no signs of life. It doesn't produce a single noise, crack or anything from either FM or AM band. It's like it doesn't even power up.
i opened the radio and it is full of some TRACON gray capacitors. They only have their negative strip printed, voltage and capacitace markings - no series, no temperature marking, nothing else.
My question is, do you know of this brand of capacitors and how bad are...

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...

Hi!
Funny problem. I have a board, model 71r-h14bw6-t830, it's a shuttle board used commonly on a lot of cheap laptops/AIOs.
The clock (RTC) is not working when the machine is turned off. Doesn't matter if it is connected to dc power or not. When the PC is powered on, the clock works fine.
I tried replacing Y6 and Y7 (picture below), but it doesn't seem to be an oscillator problem.
I don't have the exact schematic for this board, but I'll provide one that is similar (a variation of the same board).

Any suggestions?

OBS: when the pc is off,...