Electronics Forum / Electronics / March 2005

Dear readers,
I work as distributor of electronic components. To recognize used ICs (also
called "Pulls" or "Refurbs") I need a microscope, which enables me to better
see scratches on the surface, bent leads, tin traces, etc.

Does anyone know the pinouts for the latching relay,
Siemens # V23079-B1208-B301
or know where I can find them?
It has 10 pins,

I am requesting clarification and assistance from the scientific
community, if anyone can offer it, on Hioki's, "Telecommunications"
Fourth Edition.
If you have a copy of the text, you will have noticed many of the errors,

Are these still purchasable? If so, are they likely to be so old that
they'll fail early?

I have a 8 year old Panasonic CT31SF10R. It wasworking great until 4
weeks ago. About twice a week, the picture goes black and compresses
down to a horizontal line. I still have sound. The TV is on for over 50
hours a week, so we get a lot of use at of it. Until today, I simple

I have their LR8822 remote control ( http://www1.jaycar.com.au/) hooked up
to open a gate. Range says over 50m but I am lucky to get 10m.  I tried a
fair length in my roof space but no go. I thought it could have something to
do with the insulation foil, so I connected it to that ...

This is a monthly reminder that at
http://www.ugroups.com/Technical/viewforum.php?f=5 you can easily
access sci.electronics.misc via the web without a newsreader.
This message from www.ugroups.com is intended for those who might be interested in free web based access to the ...

First up I am looking for the service manual & schematics on a Sharp
SF9400 photo copier, is there anyone that can help out with this
please.
I have purchased this manual from online manual sites only to find

    I am trying to have a weight pickup repaired for a kobelco Crain the
only active components on the board are 2 NEC c254a and 1 NEC 1541 A
quick look at the thing makes me think they are op amps. They don’t show
up in any of my X over books though. Any ideas on a replacement.

I search for a laser diode with integrated reflective sensor like
Agilent Technologies HBCS-1100
It's used in a HP barcode reader.
I would find an other laser diode like this (perhaps laser diode in

hey there,
i really need some help in the general area of PIC 16f877. i am using
the PICDEM 2 plus board that comes with the mplab icd 2 in circuit
debugger.

I was wondering would it be easy, hard or near impossible to convert an
Infra-red remote control for a car stereo to work on Radio frequency
instead of IR?  I have seen a RF data transmitter/reciever pair in Dick
Smith or Altronics catalogue (can't remember which one).  Would it ...

How do you guy's do this, I have bare PCB that is 6x6" and I am building a
board of 2x3", what do you use to cut the boards. Before this I used the
paper cutter at the office but got caught and don't want to get yelled at by
the admin again! I am thinking a trip to Home Depot or ??

Greetings group.
I have a Panasonic TX80P300A, chassis EURO7 on the bench with random
loss of sound.
There is sound from the L and R monitor out sockets.

The Pentagon has admitted that the U.S. intelligence agencies called the
N.S.A. [ National Security Agency ], C.S.S [ Central Security Service ],
D.I.A. [ Defense Intelligence Agency ], D.A.R.P.A. [ Defense Advanced
Research Projects Agency ], C.I.A. [ Central Intelligence Agency ...