Electronics Repair

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Valve/tube screening can problem

Mesa Nomad 55 with one of the 12AX7 snow capped and a neat ring around the top of the glass envelope. Obviously due to...
2 comments posted 17yrs
posted by diverse
2 comments posted 17yrs posted by diverse

LOUD POP coming from one of my AV components

Hello, I need some help determining where a LOUD POP noise is coming from. While listening to some music last night I h...
7 comments posted 17yrs
posted by villafum
7 comments posted 17yrs posted by villafum

NiMH batteries in a 2-way radio

I've been searching for a two-way radio (walkie talkie) and I've found one I really like. This particular one works on...
8 comments posted 17yrs
posted by AGirlNamedJo
8 comments posted 17yrs posted by AGirlNamedJo

career in mobiles maintenance

hello all i want to learn how to repair mobile phones , but i lack the basics and where to start if any body can provid...
1 comments posted 17yrs
posted by bahrouz.el3ayar
1 comments posted 17yrs posted by bahrouz.el3ayar

Speaker problem

I have a pair of speaker connected to my pc . Recently due to power fluctuation it has stopped functioning . What might...
0 comments posted 17yrs
posted by a1chandan
0 comments posted 17yrs posted by a1chandan

Wanted: Beta Alignment Tapes

Does anyone know where to find alignment tapes for Beta VCR's? I see them mentioned on several sites (with numbers such...
3 comments posted 17yrs
posted by zappyman
3 comments posted 17yrs posted by zappyman

Always problems identifying smd diodes

Hallo i have a dreambox 7020 who does not supplies the lnb. No voltages, no 13 and no 17 volts. I suspect a SMD diode m...
0 comments posted 17yrs
posted by fra.gui_NS_
0 comments posted 17yrs posted by fra.gui_NS_

Fluke 910A bandwidth?

A friend of mine gave me this old boatanchor true RMS voltmeter. I am a sucker for these old tube-type meters. Does any...
0 comments posted 17yrs
posted by johnREMOVE
0 comments posted 17yrs posted by johnREMOVE

Recasting a broken small nylon gear

I needed to repair an Exabyte 8505 8mm tape drive which had a broken 14 tooth approx 3/8 inch diameter nylon gear in th...
20 comments posted 17yrs
posted by msg
20 comments posted 17yrs posted by msg

Sony Bravia TV...What should I do??

Hi, my husband wall mounted our sony bravia and in doing so had to cut the power lead to enable him to chase it into th...
24 comments posted 17yrs
posted by francestolley
24 comments posted 17yrs posted by francestolley

Avo valve characteristic meter (mark 1 in effect)

Originality does not matter as only the main meter and contols section, valve base panel is missing. Is it a straightfo...
0 comments posted 17yrs
posted by diverse
0 comments posted 17yrs posted by diverse

Need schematic

Have a Rickenbacker M 12 Audio amp. Would any one have a schematic for this? Rickenbacker site has none. TIA Warren
2 comments posted 17yrs
posted by ccco
2 comments posted 17yrs posted by ccco

Scopemeter...

I have a Fluke scopemeter 97 II. If I have $1000 and want to upgrade it to a better one, what model / brand should I pur...
3 comments posted 17yrs
posted by geir056
3 comments posted 17yrs posted by geir056

Toshiba 65HC85

Chassis TAC505 Can someone provide me the deflection IC's part number? I presume it is an STK variety. Also, the plasti...
2 comments posted 17yrs
posted by none
2 comments posted 17yrs posted by none

Re: LCD projector Problem

I have a similar problem with a panasonic lcd projector. The manual lists a software for RGB ghost adjustment. I'm still...
1 comments posted 17yrs
posted by crow_slapper
1 comments posted 17yrs posted by crow_slapper