Electronics Forum / Repair / August 2004

What is the best for protecting chips against static discharge? I've
bought the socket to protect pins, should I somehow modify the socket
so that chip is safe from static, like shortening all the pins?

I have a Master Pro 3 power attic vent and an old Butler Ventilating.
They both have a thermostat and something else attached to the motor.
Does anybody know what this thing  is and how to test it ?
There is some unintelligible writing on the Butler, nothing I can see

I have a 2 bulb, 48", Fluorescent light fixture.
90% of the time when I turn the switch on, it does not start.
There is a little flickering in the end of the bulb.
I turn the switch to off and back immediately turn it back on and it

Panasonic cd portable radio model:RX-ED90,year:May 1996 this is a high
end unit that has an LCD display and remote control.One day the unit
had no power upon troubleshooting I found that the 16V and 7.6v from
the power supply board are present and there are no low ohms fuseable

Please if anyone can direct me where I can find  the datasheet for the MC44818D
please respond to
Tassanou@aol.com
Thank you all

Hi all, I just bought a 50 inch plama tv for my second home (I only go
on weekends).  I want to put it up on a concrete wall in my family
room.  However, since it was expensive, and the house is in the
Florida Keys, (lots of lightning, rain, hurricanes, etc.) I want to

My Panasonic widescreen tv model tx-w28d2dp switching into standby mode, if
you manged to get
it stay on the screen is black witj single white line in the centre no
sound.

At a recent 'kerbside cleanup' (where people leave their rubbish on the
curb, and the local counsel dispose of it, ALSO a great way to get free
stuff ;)) I obtained a old 'Commodore 1084s-d' monitor.
Some technical details here :

What is error code 55? and how do I fix it?  Manual doesnt have anything but
contact your service rep.

if anayone is familiar with the power supply for this monitor. i am unable
to get the sb supply working. i have replayed all the bad parts that i could
find which are IC931 MA2810,C981 2200uF and r945 2.2K
any suggestions or tipps?

Unit turns on and shuts down, Will cycle several times, HV comes up to 30K
each time. Monitored B+ would go from 137 to about 130 during the cycling,
Forced on with menu,pwr, vol up and got the error codes P1,2&3 all
=198.(main tuner dac bus fault)

I use a 386 with Dos 6.2 for billing and document writing. The program
that I use is Word Perfect 5.1 For Dos. I also have alarm system
software on this machine which will not run on Windows as well as a
special modem to interface with my alarm panels so I need to keep this

I got my hands on a APC SmartUPS 700. The problem is it is a 230V UPS.
Any possibility that it can be modded into a 110 V output UPS ?
I opened it up and there are 3 components:
1. a massive transformer 2 taps primary, 4 taps secondary. Haven't yet

We have 24" Hitachi prologic about 4 years old. It just last week, the
picture disappeard but the sound is as normal. The screen went blank
and horizontal green line appear at the center. After a while it goes
back to normal and then blank again. But since few days, it never goes

Basically, our power went on and off a few weeks ago, and I think
there might have been a surge (i have several surge protectors in my
house and none of them tripped).  i noticed that everytime the power
went on, the TV would go on, despite being off.  this has happened in