HP 3455A - Page 174

^The Signal^
Levels >
4
V
Peak-To-Peak
'
.
?
/
Replace Or Troubletfiool
The
A/0
Converter
1A14
Assecnblyl.
The Problem
It
Mott
Likely In The Sv>litch-
ing Circuits (A14U1. U2,
Q3.
04 Artd Associated
Co
mponents.
The
Device
Select
Signal
At
A10UI5
Pin 9
>4 V
Peek-To-Peek?.
Troubleshoot
The Iriguard
Logic
Circuit (AtOU15.
U22.
U26 And Associated
Components.)
Troubleshoot The Device
Select Circuit IA10U14.
(J26
Artd
Associated
Com-
ponents).
3455
-
0-1
rt 8-H-3. Inguard Troubleshooting Procedure Diagram,
Auto-Cal Circuitry TEST 13.
8-83/8*84