LIST OF ILLUSTRATIONS

TM 11-6625-2781-14&P-2

ILLUSTRATIONS (Cont'd)

Figure

Page

Figure

Page

8-24.

Input Attenuator Assembly

8-38.

1 MHz Crystal Oscillator, Frequency Divider

(08553-6021) Component Locations . .................8-29

and APC Compensation Circuits................................... 8-37

8-25.

120 MHz Low Pass Filter A11

8-39.

Preset Scan A4 (08553-6008) Connectors, Test

(08553-6001) Component Locations ...................8-29

Point Voltages and Component Locations . ................... 8-39

8-26.

RF Input Attenuator Control and

8-40.

Frequency Range Assembly

120 MHz Low Pass Filter . ..................................8-29

A13 (08553-60123) Adjustment and

8-27.

Functional Block Diagram..........................................8-30

Component Locations.................................................... 8-39

8-28.

200 MHz IF Assembly A9 (08553-6004)

8-41.

Voltage Control A5 (08553-6007) Adjustments,

Component, Connections and

Test Point and Component Locations ........................... 8-39

Adjustment Locations . ........................................8-31

8-42.

First LO Tuning Voltage, Marker

8-29.

A9A2 (08553-6002) Component Locations ...............8-31

Generator and Frequency Range Control

8-30.

A9A3 (08553-6006) Component Locations ...............8-31

Circuits . ........................................................................ 8-39

8-31.

First Converter and 200 MHz IF Amplifier .................8-31

8-43.

Simplifier Diagram of Second Converter................................ 8-40

8-32.

200-310 MHz VTO Assembly A7

8-44.

Second Converter A10

(08553-6003) Component Locations ...................8-33

(08553-60132) Component and

8-33.

200-310 MHz Voltage Tuned Oscillator.....................8-33

Connector Locations...................................................... 8-41

8-34.

APC Assembly A6 (08553-6010)

8-45.

Second Converter .................................................................. 8-41

Component Locations..........................................8-35

8-46.

Scan Width Attenuator A2 (08553-60125)

8-35.

APC A6 (08553-6010) Adjustment

Test Component Locations ........................................... 8-43

Point and Connector Locations............................8-35

8-47.

Scan Width Voltage Divider Circuits...................................... 8-43

8-36.

Automatic Phase Control and

8-48.

Bandwidth Control Circuits for IF Section .............................. 8-45

Sampler/Amplifier Circuits...................................8-35

8-49.

Bandwidth Switch Al (08553-60126) Test Points .................. 8-47

8-37.

Reference Assembly A8

8-50.

Analogic Switching Matrix . .................................................... 8-47

(08553-60131) Component

8-51.

RF Section, IF Section, Display

Locations .............................................................8-37

Section Interconnections ............................................... 8-49

TABLES

Table

Page

Table

Page

1-1.

Specifications . .............................................................. 1-3

6-1.

Part Numbers for Assy Exchange Orders ............................. 6-1

1-2.

Supplemental Performance Characteristics................... 1-5

6-2.

Reference Designators . ........................................................ 6-1

1-3.

Test Equipment ............................................................. 1-7

6-3.

Replaceable Parts.................................................................. 6-2

1-4.

Test Accessories ........................................................... 1-8

6-4.

*Part to NSN Cross Reference . ............................................ 6-15

7-1.

H01/H02 Changes to Replaceable Parts,

3-1.

Display Calibration Conditions(8553B/8552A)............... 3-11

Table 6-3 . ..................................................................... 7-6

7-2.

Back-Dating Serial Numbers ................................................. 7-6

4-1.

Accessories and Test Equipment Required for .............

7-3.

Back-Dating Changes ........................................................... 7-6

Performance Tests.................................................. 4-3

8-1.

Test Equipment and Accessories List . ................................. 8-1

4-2.

Analyzer Front Panel Checks . ...................................... 4-5

8-2.

Out-of-Circuit Transistor Testing . ......................................... 8-4

4-3.

Performance Test Record . ........................................... 4-23

8-3.

Ohmmeters Used for Transistor Testing ............................... 8-4

8-4.

System Test and Troubleshooting Procedure ....................... 8-14

5-1.

Recommended Test Equipment .................................... 5-2

8-5.

8553B Assembly and Component Locations ......................... 8-21

5-2.

Factory Selected Components....................................... 5-4

8-6.

8553B Cable Connections ..................................................... 8-24

5-3.

First Local Oscillator Adjustments . ............................... 5-7

8-7.

8553B Plug and

5-4.

Check and Adjustment Test Record.............................. 5-25

Jack Identification ......................................................... 8-25

* Part Number - National Stock Number Cross Reference Index