Electronics Repair

Cynical Definitions

I just spent most of Thursday, Friday and Saturday here: https://www.dvhrc.com/kutztown.html Some observations based on...

2 comments posted 3yrs

posted by peterwieck33

2 comments posted 3yrs posted by peterwieck33

OT strange cheair

https://www.vyperindustrial.com/collections/vyper-chairs/products/robust-steel-max

1 comments posted 3yrs

posted by NONONOmisc07

1 comments posted 3yrs posted by NONONOmisc07

sluggish remote control if you haven't used it for a day or two?

Have any of you noticed that your remote control, for a tv or whatever, doesn't work at first, if you haven't used it f...

24 comments posted 3yrs

posted by NONONOmisc07

24 comments posted 3yrs posted by NONONOmisc07

I direct wired Plug and Play LEDs, is this bad?

I replaced the ballast and fluorescent tubes in a bathroom fixture with LED replacements. I'm gradually doing this to a...

12 comments posted 3yrs

posted by timothy42bach

12 comments posted 3yrs posted by timothy42bach

High Voltage OP amp

I am servicing a power amplifier which uses a dual, 8 pin DIP OP amp. Unfortunately, the rail Volts on the OP amp (LF35...

7 comments posted 3yrs

posted by trevor

7 comments posted 3yrs posted by trevor

backlights #2

Well, well, aren't you sharp! I'm going through the backlight chain one by one INCLUDING connectors. The originals were...

3 comments posted 3yrs

posted by kgpupswitch

3 comments posted 3yrs posted by kgpupswitch

backlights

Again thanks for the help. Dummy me, test all the new back lights individually and assume that problem is solved. WRONG...

1 comments posted 3yrs

posted by kgpupswitch

1 comments posted 3yrs posted by kgpupswitch

Wind, solar provide 67% of new US electrical generating capacity in first half of 2022

On Tuesday, August 16, 2022 at 2:11:21 PM UTC-4, Unum wrote win alt.global-warming: >...

1 comments posted 3yrs

posted by bruce2bowser

1 comments posted 3yrs posted by bruce2bowser

Hisense 58" TV issues

Hi and thanks so much for the help. Pretty sure the LED's are 3V as my meter on diode check only puts out a little over...

1 comments posted 3yrs

posted by kgpupswitch

1 comments posted 3yrs posted by kgpupswitch

Hisense 58R6E TV won't power up

Trying to fix this 58" tv for a friend. The red LED blinks three times then goes out for a few seconds, then repeats. C...

1 comments posted 3yrs

posted by kgpupswitch

1 comments posted 3yrs posted by kgpupswitch

Direct TV remote

I have a direct tv remote that is the Genie rc73. A red led started coming on and sometimes it will go off. While on th...

5 comments posted 3yrs

posted by rmowery42

5 comments posted 3yrs posted by rmowery42

ua208a

Is there a suitable modern replacement for the ua208a TO-99 can-type op amp as used in e.g. the HP oven oscillators, th...

8 comments posted 3yrs

posted by user

8 comments posted 3yrs posted by user

improvised voltage reference

Does anybody have a weblink for the temperature coefficient of voltage for commercial (Energizer) size 357 silver oxide...

6 comments posted 3yrs

posted by bp

6 comments posted 3yrs posted by bp

Scumacher 1042A-PE battery charger has no output.

This Schumacher 1042A-PE battery charger stopped functioning today. It seemed to work for a little while but when I not...

19 comments posted 3yrs

posted by farberbear.unspam

19 comments posted 3yrs posted by farberbear.unspam

Replace combined capacitors in a power tool.

Advice please.. This is a 250V 1450W Circular saw US made in the 1980s probably. AEG CS825, It failed in use yesterday...

1 comments posted 3yrs

posted by charlie

1 comments posted 3yrs posted by charlie