HP 8753E - Page 594

A7 pulse generator, 7-32
A8 fuses and voltages, 5-14
A9 CPU control, 6-4
A and B inputs, 8-4
A and B input traces, 4-16
accessories error messages, 4-18
CPU control, 6-4
digital control, 4-11
disk drive, 4-7
fan voltages, 5-22
FN LO at A12, 7-19
for a faulty assembly, 5-11
HP-B3 systems, 46
line voltage, selector switch, fuse,
5-7
motherboard, 5-13
operating temperature, 5-13
operation of A9 CPU, 6-4
phase lock error message, 7-4
phase lock error messages, 413
plotter or printer, 4-7
post regulator voltages, 5-5
power supply, 4-10
power up sequence, 411
preregulator LEDs, 410
rear panel LEDs, 410
receiver, 416
receiver error messages, 4-17
source, 413
the 4 kHz signal, 8-11
trace with sampler correction off,
8-12
YO coil drive with analog bus, 7-11
check front panel cables, 6-16
cleaning of connectors, l-5
CLEAR LIST, 10-6
coax cable, 14
codes for analog bus, 19-49
coefficients, 11-l
comb tooth at 3 GHz, 7-33
components related to specific error
terms, 9-3
connection techniques, l-5
connector
care of, l-5
CONTINUE TEST, 10-5
controller HP-II3 address, 4-6
controller troubleshooting, 4-8
conventions for symbols, 19-48
correction constants
ADC offset (test 52), 3-17
analog bus (test 46), 3-9
cavity oscillator frequency(test 54),
3-28
display intensity (test 45), 6-7
IF amplifier (test 51), 3-16
initiaiize EEPROMs (test 58), 3-37
option numbers (test 56), 3-36
retrieval from EEPROM backup
disk, 340
RF output power (test 47), 3-11
sampler magnitude (test 53), 3-18
serial number (test 55), 3-34
source default (test 44), 3-7
source pretune default (test 45),
3-8
source pretune (test 48), 3-10
Unprotected Hardware Option
Numbers, 3-60
CORRECTION CONSTANT8 NOT
STORED, lo-51
CORRECTION TURNED OFF, lo-51
counter, 19-23
COUNTER
OFF, lo-24
counter (frequency), l-3
counter readout location, 19-38
CPU
digital control, 12-10
CPU operation check, 6-4
Index-6