Latest threads in Electronics Repairshow only best voted threads

Subject Author Posted Replies
 
NEC LCD TV LNT-30CW no colour
I was given this defective LCD TV. It had no working backlight. I located a faulty transformer, one of 8, and replaced it. Backlight is working now. However, the only way to get colour is when I use...
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3
 
Printer Overhauls?
How are printer overhauls done? Sent it to some central location? Local guys subcontracting for computer stores? Users are on their own? I've got an HP 4000 whose rollers are gone and which is...
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15
 
"shake" switch?
Hi, I've got a programmable remote that has a switch inside that is used to detect motion (i.e., to see when you have picked the remote *up*). It uses this signal to "turn itself on". Note that it is...
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14
 
Fluke DMMs and VFD motor drives
The Fluke 289 has both a low pass filter and LowZ input impedance. But you get the annoyance of the short battery life and graphical display. Check out the new Fluke 28-II rugged meter, it also has...
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3
 
toshiba CF2765K vertical deflection problem
howdy, I have a Toshiba TV model #CF2765K. It has sound and HV but no vertical deflection. I have a solid blue line 1/2+ thick in the middle with thinner lines on the top 1/2 of the screen, bottom 1/2...
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4
 
VCR repair
Hi, I rescued a couple of "decent" (?) VCRs -- both of which need some work. They are: JVC BR-S378U Sony SLV-R1000 I haven't spent much time on either of them. The purpose of this post is to get...
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4
 
Rank Arena Widescreen CRT
I bought this on Ebay for $5.50 on the off chance that I could fix it. It was described as having lost picture with a "pop", and with the observation that a TV repairman said it sounded like it could...
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41
 
Pioneer CDJ800 laser current check
Hi, anyone know how to measure the laser current in the Pioneer CDJ800 Mk1? What is the generic method for measuring laser current, if there is one? Also, is it possible to simply replace the laser in...
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1
 
Carver MXR 150 part I.D. or schematic
Hi there; I've got (I think) an early production Carver receiver, it has no listed model number except for a verification # BEY645. I believe i've ID'd it as a MXR 150 There's a shorted 2SA1302 output...
 
Mechanicals of Sony MZ R90 minidisc
There's a lot of useful technical stuff on all minidiscs on
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2
 
More strange LCD distortion ...
Following on from my slightly OT post of a few weeks ago regarding the 'impossible' H linearity error that I saw on the Delta in-flight LCD screen, tonight, I saw another. This time it was on an LCD...
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10
 
OT: proper pc packaging for shipment?
Please forgive the OT post, but this sort of relates to the group. I have a couple of Dell PC's I'd like to sell, but I am a bit concerned about shipping them and I am requesting suggestions for...
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6
 
Bimetalic domes
As used in thermal switches. Instead of in form of a bimetal strip and continuous curving with temperature, these are 0.5 inch diameter and make a definite flip from concave to convex at a specific...
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28
 
Bang & olufsen beomaster5000 servicemanual search
Anyone who has this manual ??? vintage beomaster 5000 service manual needed nitro2
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2
 
ELBE E-15 tv with vertical/frame squeezing in
I'm currently trying to fix this ELBE 14" TV, chassis E15. On power up, all appears well, but after about a minute (less on subsequent switch-ons) the frame begins to twitch, then (relatively) slowly...
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2