rockroll@cbnews.att.com (guy.r.belliveau) (12/20/90)
C4,10n
-----|(------------------
| |
R1 190,20W | Cr2 Cr3(1N5060)|
----------/\/\/\-----------------|>-----|>---------|
| | | #####
| | C1,10n Cr1,31-34V (ITT) --------# O # Strobe
| |-----|(------------|>----{ C5,10n # # Light
(~)120V R2,.75M | C2,10n {||}---|(-----------------# O # Plug
| --/\/\/\------|(----------{ # #
| | | T1 --------# O #
| V C3,47u | | #####
|----/\/\/\----------|(---| |
| R3,0-??? | |
----------------------------------------------------
Here's a somewhat primitive schematic of a Strobe Light I've
got apart right now. When I took it apart, CR2 was blown apart.
Me, not thinking, thought it was a resistor and put a pot in there
to see which resistance I should put in there permanently. Well...
..the light only worked when the pot was set to 0. Someone informed
it may be a diode. I replaced it with a 60v diode, but to no avail.
In the process....I may have installed it backwards and somehow the
second diode, CR3 is now dead. After removal of CR3, I saw it had
1N5060 printed on it. Now I'm on my way to Radio Shack to get a
couple of replacements. I don't want to install them until I'm
reasonably certain they're going in correctly. I'd hate to blow
up a few more just experimenting! Keep in mind when the first one
blew, a pot set on 0 ohms would make it work, but the pot would
heat up...QUICK!
Question:
Does the schematic I drew look like Cr2 and Cr3 are in correctly?
I'm not sure which polarity they were installed in, so I drew them
in this way. I don't have a REAL schematic, I just drew one up
from following the traces on the small PCB. Of course, the company
who built it said "Send it back, we'll fix it. We can't tell you
over the phone what the part is, though." Damn.
Can someone familiar with Strobe Light circuitry analyze this
situation for me?? Are Cr2 and Cr3 inserted properly into this
diagram?? Would reversing them have harmed anyhting else in the
circuit??
Help, please. Thanks for any clues!!
Guy Belliveau AT&T-BL att!mvuxb!guy