HP 8753E - Page 604

5. Minimum R Channel Level, 2-31
6. Test Port Input Noise Floor
Level, 2-37
chapter, 2-l
description of, 2-l
post-repair, 3-2, 1462
peripheral equipment
theory of operation, 12-3
peripheral HP-IB addresses, 4-6
peripheral troubleshooting, 4-8
phase lock, 10-34
source, 12-15
phase lock (All) check, 7-35
phase lock and A3 source check, 7-8
PHASE LOCK CAL FAILED, 7-4,
7-38, lo-56
phase locked output compared to
open loop in SRC tune mode,
7-9
phase lock error, 7-4
phase lock error messages, 7-38
phase lock error messages check,
413
PHASE LOCK LOST., 7-4, 7-38, lo-56
photometer probe, l-3
PLL AUTO ON OFF, lo-20
PLL DIAG ON OFF, lo-20
PLL PAUSE, lo-20
plotter HP-II3 address, 46
plotter or printer check, 47
PLREF waveforms, 7-17
POKE, lo-46
Port 1 Op cl&., lo-11
Port 2 Op chk., lo-11
port input noise floor level test, 2-37
port output power accuracy test,
2-24
POSSIBLE FALSE LOCK, lo-57
Post Reg., 10-9
post regulator
air flow detector, 12-7
display power, 12-8
green LEDs, 12-7
probe power, 12-8
shutdown circuit, 12-7
theory of operation, 12-7
variable fan circuit, 12-7
post regulator test point locations,
5-5
post-repair procedures, 3-2, 14-62
power accuracy test, 2-24
power from source, 7-3
POWER LOSS, lo-6
power meter (HP-IB), l-3
power meter HP-IB address, 46
POWER METER INVALID, lo-57
POWER METER NOT SETTLED,
lo-57
power output check, 413
power problems (broadband), 7-39
power range and linearity test, 2-27
power sensor, l-3
power splitter, l-4
power supply
theory of operation, 12-5
power supply block diagram, 5-25
power supply cable location, 5-8
power supply check, 410
power supply functional group block
diagram, 5-3
POWER SUPPLY HOT!, lo-57
power supply shutdown
Al5 green LED, 12-6
Al5 red LED, 12-6
theory of operation, 12-6
POWER SUPPLY SHUT DOWN!, lo-57
power supply troubleshooting chapter,
5-l
POWER UNLEVELED, lo-58
power up sequence check, 411
precision frequency reference
assembly replacement, 1458
Index-16