HP 3400A Operating And Service Manual page 39

1
NOTES
1.
ALL DC AND AC VOLTAGE LEVELS SHOWN
IN
RED ARE WITH
1
MV
INPUT (FULL
SCALE DEFLECTION).
A TOLERANCE OF
±10%
SHOULD
BE
ALLOWED FOR VARIATIONS-FROM
INSTRUMENT TO INSTRUMENT.
2.
ALL AC
VOLTAGES ARE UNDERLINED.
ALL DC VOLTAGES HAVE A
POLARITY INDICATION.
3.
AC VOLTAGE LEVELS AT Q405
AND
Q406
MUST BE
OBSERVED
WITH
10:1
DIVIDER PROBE.
4.
IF C427 IS
REPLACED,
IT
MAY BE NECESSARY
TO
SELECT THE
VALUE OF
C427
FOR PROPER FREQUENCY RESPONSE. THIS
IS
DUE
TO CAPACITOR TOLERANCE.
:
AMPLIFIER
INPUT
CABLE ASSEMBLY
03400-61601
CHOPPER
INPUT
CABLE ASSEMBLY
'
03400-61602
A4
(hp
PART
NO.
03400-66503)