Electronics Repair

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8051 memory access hardware question

I have a homebuilt home control system based on an 80c51FA processor. I recently had a memory failure on it. It current...
14 comments posted 18yrs
posted by bobnospam
14 comments posted 18yrs posted by bobnospam

LCD Panel Datasheet

I'm looking for a datasheet (or a description of its interface) for a Sharp LQ 13X25, used in a Compaq 1810 Presario la...
1 comments posted 18yrs
posted by paul
1 comments posted 18yrs posted by paul

APC SUA1500 UPS Part

Does anyone have a scrap circuit board from an APC SUA1500? A small transformer (T3) got broken off when the battery co...
14 comments posted 18yrs
posted by zappyman
14 comments posted 18yrs posted by zappyman

Use metal detector as cable tracer...?

Hi, Say I have a disconnected electrical cable dug into the ground. I need to trace the cable to find out its route and...
2 comments posted 18yrs
posted by geir056
2 comments posted 18yrs posted by geir056

Harris FET datasheet

I can't find a datasheet for a Harris H20N50C. Its an N channel Enhancement power mosfet. Anyone have it ? greg
2 comments posted 18yrs
posted by zekfrivo
2 comments posted 18yrs posted by zekfrivo

Panasonic TV model CT2784VY power supply problems

This set came in from a local school, dead. As with many others of these I've repaired over the years I found cracked s...
2 comments posted 18yrs
posted by captainvideo462002
2 comments posted 18yrs posted by captainvideo462002

oven magnetron replacement?

Is it true that one can replace dead microwave oven magnetron with not exactly same model but a similar magnetron model...
11 comments posted 18yrs
posted by anglomont
11 comments posted 18yrs posted by anglomont

Peavey VTX Classic guitar amp and the M 5884 audio chip.

Peavey VTX Classic guitar amp and the M 5884 audio chip. Does anyone have any information on the M 5884 audio output tr...
3 comments posted 18yrs
posted by This.Is.A.Fake.Address.3332867
3 comments posted 18yrs posted by This.Is.A.Fake.Address.3332867

Repair: Elect Hot water heater?

I have a Rheem Elect Hot Water heater that is about 11 years old. The hot water it puts out is not so hot anymore. I am...
13 comments posted 18yrs
posted by wilsonkori.35dc2e3
13 comments posted 18yrs posted by wilsonkori.35dc2e3

Is anyone familiar with the JBL Synthesis pre-amp?

I have a surround sound JBL Synthesis pre-smp. It is behaving VERY erratically. Some MODE functions work and some don't...
4 comments posted 18yrs
posted by dmanzaluni
4 comments posted 18yrs posted by dmanzaluni

GE 26920 Cordless Phone - Battery Does not charge

Hi, I am trying to repair my GE 26920 cordless phone. The problem is that the battery does not charge and the Charge/In...
11 comments posted 18yrs
posted by manoj.patil.1974
11 comments posted 18yrs posted by manoj.patil.1974

The very best Xbox console ever produced!

I sell premodded Xboxes loaded with over 100,000 emulated games, a choice of Xbox games from a list of 450 games, and e...
0 comments posted 18yrs
posted by info
0 comments posted 18yrs posted by info