Hi
My CAT just stopped working and I have found that there appears to be a
low resistance on the 5v rail which supplies the PIC / 232 interface
chips. This pulls the 5V rail down to 1 v with the result that the PIC
and 232 interface chips are not operating and the 78L05 at U3 is rather
hot and bothered.
Before I get the PA board off the heatsink and start desoldering chips
has anyone any idea of checks I could do to localise the problem
73 and thanks for any info
Bob G3PJT
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