HP 53132A Assembly And Service Manual page 144

Chapter 2 Service
Troubleshooting the Counter
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
DISP? —illuminate the indicators and vacuum-fluorescent
CPU? —test processor(s).
ROM? —checksum the ROM.
RAM? —test RAM.
EEPROM? —checksum the EEPROM, which is used for
HP-IB? —test HP-IB chip.
QSPI? —test serial hardware control loops.
FPGA? —internally measure the timebase to test count
FR END? —check front end circuits, either by swinging trigger
MEAS? —make a measurement, either by swinging trigger
2-48
tests.
display (VFD) segments. Note, this test is not
available if TEST LOOP: is ON. TEST LOOP: must
be OFF.
non-volatile memory.
circuitry.
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.
levels (during power on test and ALL test) or
asking you to connect the timebase output to
channel 1.
Assembly-Level Service Guide