Racal Instruments 9057 Technical Manual page 5

CHAPTER 6
' '
'
TABLE 1
2
3
4
Fig. 2.1
Fig. 2.2
Fig. 2.3
Fig. 2.4
Fig.
2.5
SECTION 3
9057/9059
Page
Amplifier and High Speed Decade Assembly 19-0605 5-5
Check Signal 5-5
Auxiliary -6.2V Supply 5-5
Automatic Cut-out 5-6
Gating Control 5-6
Sampling Rate 5-7
Ntanua I Reset 5-7
Readout Assembly 11-0754 5-7
Overflow Indication 5-8
Frequency Standard 5-8
Power Supplies 5-8
Ntains Pack Operation 5-8
Battery Pack Operation 5-1 0
MAINTENANCE
List of Test Equipment Required
Use of Test Equipment
Power Supply Checks
Ntains (A.C .) Powered Instruments
Battery Powered Instruments
Performance Tests
Setting
Up
Internal Frequency Standard
External Frequency Standard Input
Attenuator Checks
Sensitivity Check
Setting Up Schmitt Trigger
Amplifier and Pre-scaler Assembly 19-0604
Miscellaneous Servicing Information
LIST OF TABLES IN SECTION 2
Self Check (Frequency) Displays
Self Check (Period) Displays
9057 and 9059 Channel A Sensitivity Check
9059 Channel B Sensitivity Check
LIST OF ILLUSTRATIONS IN SECTION 2
Simplified Block Diagram Type 9057/9059
Function Selection Logic
Counting Decade Waveforms
Service View: Chassis Upperside }
Service View: Chassis Underside
at the end
of Chapter 6
OPTIONS AND SUPPLEMENTARY INFORMATION
Information will be included when required.
6-1
6-1
6-2
6-2
6-2
6-3
6-3
6-4
6-4
6-5
6-7
6-8
6-8
2-2
2-3
6-6
6-7
4-3
5-5
5-10
Contents (2)