HP 8648 A/B/C/D - Changpuak.ch

5-6 Service
Assembly
‘lhble 5-3.
Adjustments and Performance Tests Required
after Repair or Replacement of an HP 8648BICID Assembly
41 Front Panel None
42 Power Supply
43 Motherboard Assembly
i3Al Memory Board
L3BTl Battery
~4 Reference
All
AU
None
DCFM’
45 Sig Gen Synth DC FM *
Time Base DAC *
46 Output AM Level *
AM Level: FE *
Predistortion and Detector Offset *
Prelevel *
Output Level: FE*
HF Power Level Accuracy *
LF Output Level *
LF Power Level Accuracy *
h9 Filtered Line Module
L 10 Frequency Extension 4M Level *
4M Level: FE *
‘redlstortion and Detector Offset *
‘relevel *
Output Level: FE *
HF Power Level Accuracy *
LF Output Level *
LF Power Level Accuracy *
4 11 Attenuator HF Power Level Accuracy *
LF Power Level Accuracy *
L12 Reverse Power Protection HF Power Level Accuracy *
LF Power Level Accuracy *
Adjustment or performance test ls automated.
Option lE2 Only
Option lE5 Only
Adjustments Performance Tests
RF Level Accuracy
Power Level Accuracy *
All
All
Power-on Self Test
DC FM Frequency Error
Residual FM
Internal Timebase: Aging Rate 5
FM Accuracy
FM Distortion
Phase Modulation Distortion
Residual FM
Harmonics
Spurious
DC FM Frequency Error
AM Accuracy
AM Distortion
Harmonics
Spurious
RF Level Accuracy
Power Level Accuracy *
Power-on Self Test
AM Accuracy
AM Distortion
Harmonics
spurious
RF Level Accuracy
Power Level Accuracy *
RF Level Accuracy
Power Level Accuracy *
RF Level Accuracy
Power Level Accuracy *