Electronics Repair

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testing zener diodes in circuit

I have a circuit that I built years ago. Rather than just replacing a bunch of zener diodes, is there a way to test the...
4 comments posted 19yrs
posted by techman41973
4 comments posted 19yrs posted by techman41973

Marantz 1070 schematic wanted

Could anyone help me with a schematic for a marantz 1070 Amp Dave
2 comments posted 19yrs
posted by davidter
2 comments posted 19yrs posted by davidter

Repair DV out on a miniDV camcorder - big job?

I shorted out 3, that's right, 3 of my mini-dv camcorders today with a broken pin on a firewire cable. What is the proc...
5 comments posted 19yrs
posted by netrate
5 comments posted 19yrs posted by netrate

Newbie question about VCR head cleaning

(Apologies for the multi-posting - I've had no replies at alt.video.vcr so am trying here.) About 2 years ago I bought...
2 comments posted 19yrs
posted by me
2 comments posted 19yrs posted by me

canon pc-20 problems

on the left side of the machine's interior, looking from the end where paper comes out, are a series of white and black...
0 comments posted 19yrs
posted by zigyphoto
0 comments posted 19yrs posted by zigyphoto

Any info on TH3009 IC?

Hy everybody! Does anyone know this IC: Manufacture: AME Code: TH3009 # of pins: 30 Image here -> http://i10.tinypic.com...
1 comments posted 19yrs
posted by dpcm.1974
1 comments posted 19yrs posted by dpcm.1974

Prima TV with no sound.

I have a call on a Prima 27" TV with nos sound, otherwise the unit works fine. She is an older lkady, & doesn't have a...
1 comments posted 19yrs
posted by greeben
1 comments posted 19yrs posted by greeben

PS transf. to heat sink glue?

Fixed a 26" Gateway LCD TV/monitor (bad solder joint in the SMPS). But exposing the component side of the power supply...
25 comments posted 19yrs
posted by SparkyGuy
25 comments posted 19yrs posted by SparkyGuy

What have I done to my reciever?!?!?

Hello, I have speakers all over my house, wired to two seperate receivers . One speaker is wired to both receivers. Thi...
9 comments posted 19yrs
posted by fredmann
9 comments posted 19yrs posted by fredmann

DENON Home Cinema receiver to repair

Hello, My DENON AVR-2105 home cinema receiver failed for the second time so I would like to try to repair it myself, as...
22 comments posted 19yrs
posted by pfmonet_NOSPAM
22 comments posted 19yrs posted by pfmonet_NOSPAM

White ink , fine tip, felt-tip pen ?

For permanent marking missing legends or other added comments to black cased ICs. Do they exist?, not necessarily Staed...
20 comments posted 19yrs
posted by diverse8
20 comments posted 19yrs posted by diverse8

microwave transformers

Can anyone suggest an interesting use for microwave oven transformers . Regards Geoff.
12 comments posted 19yrs
posted by geoff1932
12 comments posted 19yrs posted by geoff1932