English/Metric Pulse Output Electronics System Troubleshooting - HP 5501A Operating And Service Manual

Table 6-4. English/Metric Pulse Output Electronics System Troubleshooting (Cont'd)
3.
If
problem continues, troubleshoot or replace 10780A receiver.
b) If the error does not register on one measurement axis only, replace or troubleshoot the
associated 10760A card.
C)
If the controller does not recognize an error occurring on any axis, verify the error output lines
from the coupler are being monitored by the controller. The error line
i s
an output from
the 10763A.
FREQUENCY C O U N T E R
Table 6-4a : 5300/5301 Control Settings for Coupler Operation Verification
SET FRONT PANEL CONTROLS AS FOLLOWS:
GATE OPEN
WAVEFORM
n
COUNTER INPUT LINE CONNECT TO PIN
4
O N
FRONT-EDGE TEST FIXTURE
GROUND FROM INPUT BNC CONNECT T O PIN 18 O N
FRONT-EDGE TEST FIXTURE
SAMPLE RATE HOLD
7
Table
6-4b:
5328 Universal Counter Settings
SET FRONT PANEL CONTROLS AS FOLLOWS:
FUNCTION START A
FREQ. RESOLUTION/N 1 MHz, 1
SAMPLE RATE HOLD
(Use channel A input)
COUNTER INPUT LINE CONNECT TO PIN 4 O N
FRONT-EDGE TEST FIXTURE
GROUND FROM INPUT BNC CONNECT TO PIN 18 O N
FRONT-EDGE TEST FIXTURE
SLOPE
+
AC/DC DC
AlTEN 1
LEVEL A ADJUST TOWARD
+
SO THAT
THE COUNTER DISPLAY
STABILIZES ( N O COUNTING
SHOULD TAKE PLACE IF
LEVEL IS INCREASED.)
SEP/COM A SEP