Chapter 2 Service
Troubleshooting the Counter
2-48
Assembly-Level Service Guide
2
You can also specify that failure messages be sent to a printer, the RS-232,
and the HP-IB—if in talk-only (
TST PRINT: ON
or
OFF
).
There are 13 choices for the
TEST:
menu item. They are listed and
described in the following text.
TEST:
ALL?
—run all tests, except display, keypad and printer
tests.
DISP?
—illuminate the indicators and vacuum-fluorescent
display (VFD) segments. Note, this test is not
available if
TEST LOOP:
is ON.
TEST LOOP:
must
be OFF.
CPU?
—test processor(s).
ROM?
—checksum the ROM.
RAM?
—test RAM.
EEPROM?
—checksum the EEPROM, which is used for
non-volatile memory.
HP-IB?
—test HP-IB chip.
QSPI?
—test serial hardware control loops.
FPGA?
—internally measure the timebase to test count
circuitry.
FR END?
—check front end circuits, either by swinging trigger
levels (during power on test and ALL test) or
asking you to connect the timebase output to
channels 1 and 2 using a BNC-T connector to split
the signal.
MEAS?
—make a measurement, either by swinging trigger
levels (during power on test and ALL test) or
asking you to connect the timebase output to
channel 1.
Summary of Contents for 53131A
Page 1: ...Assembly Level Service Guide HP 53131A 132A 181A 225 MHz Counter ...
Page 2: ......
Page 14: ...Contents xii Assembly Level Service Guide ...
Page 22: ...Preface xx Assembly Level Service Guide ...
Page 23: ...1 Performance Tests Verifying Specifications ...
Page 97: ...2 Service ...
Page 149: ...3 Replacing Assemblies Disassembly and Reassembly ...
Page 173: ...4 Retrofitting Options ...
Page 191: ...5 Replaceable Parts ...
Page 201: ...6 Backdating Manual Changes ...
Page 218: ...Chapter 6 Backdating Backdating Specifications 6 18 Assembly Level Service Guide 6 ...
Page 219: ...7 HP 53131A 132A Specifications ...
Page 235: ...8 HP 53181A Specifications ...
Page 246: ...Chapter 8 HP 53181A Specifications General Information 8 12 Assembly Level Service Guide 8 ...
Page 252: ......
Page 254: ... Manual Part Number 53131 90039 Printed in U S A MARCH 1999 ...