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HP 8559A User Manual

HP 8559A
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SERVICE MODEL 8559A
Observe
1st L.O.
Isolate YTO
Main Coil
Tune Driver
Isolate YTO
FM
Source of FM
Replace Tune
YES
Coil Driver
is YTO
FM
Voltage with Coil Driver
0
I0
Source of FM Source of FM is
1s nain coil FM/Main Coil
Tune Driver
FM?
0
II
NO
1
Replace -1OV
Isolate YTO Source of FM
Regulator with Main Coil is FM/Main
Battery
Fixed Driver Coil Switch
Ir
Source of FM
NO
in -iOV
Source of FM
NO
Regulator is ~ain coil
Fixed Driver
0
II
.
0
19
in Tune/Full
Span Voltage
LEOEND FOR INFORMATION BLOCKS
Text Annotation
Schematic Block Reference
Reference
Step Instruction
goes here.
Iaolate YTO
Main coil
Filter
1.
+fpq
YES
Source of
FM
is YIG
-
Tuned
Oscillator.
A6
I
d
FIGURE
8-26,
RESIDUAL FM TROUBLESHOOTING FLOWCHART

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HP 8559A Specifications

General IconGeneral
BrandHP
Model8559A
CategoryMeasuring Instruments
LanguageEnglish

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