Electronics Forum / Repair / October 2007

Video plays back with choppy, jerky motion with picture "shearing".
Repair service diagnosed dirty heads but they were cleaned and problem
persists -- even when recording and playing back brand new tape.
Possible causes?

Hello world,
can anybody help me with either a servicemanual with schematics or
just the schematics for a TV-set by Philips, namely the 32PW9545.
Thanx in advance.

Two years ago I bought a used APC Smart-UPS 1250. I just got
around to trying to replace the batteries with 2 of the
17 AH, 6 volt SLA.
I was very surprised to find that somebody had rigged up

Hi, Quick question concerning inverters if anyone can help.
If I have a 600w inverter, cpable of 1200w maximum, and I have a 20
metre extension lead from it to run a 500 watt angle grinder (disc
cutter), will this be okay or does the extension lead mean I need a

My computer is a Dell Dimension 2400 and I'm having trouble getting a
new GeoForce 6800 graphics card working right. The problem is that the
computer recognizes both integrated graphics adapter AND the GeoForce
card AND I'm getting all my desktop icons etc, showing on the Samsung

I need a probe for this meter. Does anyone have one taking up space
that they would like to part with . If not any ideas as to where I
might find one would be most sincerely appreciated. Lenny Stein,
Barlen Electronics.

By day he's a lonely sad pathetic drunk audio engineer
but by night he's a serial killing mobster.
The Terminator.
Premieres this Fall on CBS.

I ran into one of these with a loud chirp-chirp of an over-loaded power
supply.
I took it apart and looked at the main board, and i seen where the fluid had
leaked all over it. not real bad, but it was pretty evident. so like i do

I have a burned out pr4 bulb.
I have a 3600 output blue led 3.7v.
I got the idea to bust the glass and solder the
led in.

Lest anyone think I'm just down on Bose, there's plenty of other dishonest
advertising out there.
The recent Apple Macintosh ads were filled with half-truths and outright
lies. Rather than try to _explain_ why the Mac is superior to Windows (I

It's really not that bad, considering you can work in your pajamas.
For example, one of the offers, the easiest and most lucrative one is
joining ebay and making a bid. I just bid for something i knew i
wouldnt win. I made $8 on this offer alone. This is reason enough to

I have an 87 Nissan van with an antenna wire that has a 0.85 mfd
capacitor soldered between the center wire and the center pin of the
antenna connector, on the end that plugs into the radio.  
This vehicle actually has two antenna wires that connect side by side

Model # 50UX57B, Chassis # AP83R, dead. No startup in SMPS. After
doing the following repairs, it just won't oscillate, no leds on the
main PCB light at all. It was worked on elsewhere, both convergence
IC's were replaced, & E995, E996, as well as IK04, & IK05. D910, &

My MIL took her for a check up cause driving hurts me and my MIL came
in and I said "where is mom?" and she said "they are keeping her"  not
sure why, I hope it's not her heart. Anyway thoughts and prayers would
be appreciated, thanks.

Why won't a standard dimmer work when connected to 12VDC to 110VAC power inverter???
I successfully tested an 18ft long section of rope lights (Hunter brand) and a 3-stage touch dimmer in my house before taking out to install it in my RV.  After plugging it into my 12VDC to 110VAC ...