Agilent Technologies 4284A Service Manual page 122

Table 4-A6-3. A6 Test Points List
Test Point Signal Name
A6TP1 VIN
A6TP2 GND
A6TP3
I T
A6TP4 EOC
A6TP5 PD
A6TP6 AD
A6TP7
GND
A6TP8
I NTEG
A6TP9 -12
A6TP1 0 +12
A6TP11 +5
A6TP12 MEA S
Description
Crystal oscillator signal
Ground Line
Integration time signal
End of measurement signal
Input signal to the phase detector
Input signal to the A-D converter
Ground Line
A-D Converter output signal
-12 V DC
+12 V DC
+5 V DC
Measurement Start Signal
4-A6-2