In a message dated 2/10/2002 9:43:07 PM Eastern Standard Time, FZZAP@aol.com
writes:
<< I tested the regs the voltage is 23.98 and -24.01. The R-13 resistor
burnt
to a crisp again. There is a small transformer on the hv board. I am
getting
24v into and out of it. Is it possible that the problem is the 555IC? I
checked all the other resistors and diode and they are fine also replaced
the
other transistors. >>
Your voltages seem good at the regs. Do you have a scope so you can check for
a square waveform @ the base of the BU406D? Are you getting a squarewave on
the 555? You could try using a logic probe if you don't have a scope, this
isn't 100% effective, but it would show HLP...
---------------------------------------------------------------------------
** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
** message body to vectorlist-request@synthcom.com. Please direct other
** questions, comments, or problems to neil@synthcom.com.
Received on Sun Feb 10 21:40:53 2002
This archive was generated by hypermail 2.1.8 : Fri Aug 01 2003 - 00:33:52 EDT