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HP 11793A 11793A, Equipment, 35.Repair Cleanliness, 36.Cleaning the Control-LineSwitch Contacts

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Model 11793A

Microwave Converter

Equipment

Refer to Table 4, Recommended Test Equipment.

35.Repair Cleanliness

Do not handle the A1 Switch Control Assembly ,,oard more than necessary. If dirt or moisture from the hands comes in contact with the circuit side of the A1 board, the circuits may become inoperative. Do not use solder flux remover on the circuit board.

36.Cleaning the Control-Line Switch Contacts

These instructions pertain to switches S 1 (in instruments with the LO amplifier option), and/or S2

(standard and LO amplifier option configuration) located within the RF module. See Figure 9, Switch Contact Location.

TERMINAL 1
SPRING CONTACT	TERMINAL C
\	TERMINAL C
\	SPRING/ CONTACT	TERMINAL 2
SWITCH.
CONTACT
CR2

Figure 9. Switch Contact Location

1.Remove the switch from the RF module. Refer to Paragraphs 39 or 40, RF Module disassembly procedures.

2.Remove the two screws on the switch cover and remove the cover.

3.Saturate the edge of a sheet of durable paper with alcohol.

Contents

111111111111111111111111111111111111111111111111111111111111ll111 CERTlFlCATlON calibration facilities of other International Standards Organization members WARRANTY LIMITATION OF WARRANTY EXCLUSIVE REMEDIES ASSISTANCE . . AgiIent TechnoIogies . Innovating the HP Way June 1999 Sincerely COVERED Page Safety Considerations ONLY Use CSA Model Safety Considerations SAFETY CONSIDERATIONS GENERAL and BEFORE APPLYING POWER SAFETY EARTH GROUND Microwave Converter Model 11793A Figure 1. HP Model I I 7 9 3 A Microwave Converter with Accessory Cables 1793A 1.GENERAL INFORMATION 2, Specifications Page SO6 Page 11793A Table 4. Recommended Test Equipment Instrument Type Minimum Specification Suggested Model 10. Power Requirements 11. Line Voltage Selection 12. Power Cables 13. Mating Connectors Accessories Supplied Model 1 1793A States Temperature Humidity Altitude 19.Operation 20. Operating Instructions 21.Panel Features 22. Operator Checks 23.Operator Maintenance Figure 4. Front-PanelFeatures CORD .75A Figure 5. Rear -PanelFeatures Sensor Module Table 6. Performance Test Instrument Settings Source Signal Source Frequency (MHz) Level (dBm) Page Model 11793A -Table 7. Replaceable Parts Replaceable Parts Model 11793A Table 7.Replaceable Parts Replaceable Parts Model 1 1793A Table 7. Replaceable Parts 1793A Mfr Code Table 8. Code List of Manufacturers Manufacturer Name Figure 6. Cabinet Parts Figure 7 . Illustrated Parts Breakdown for Standard and Option 1 1793A f11 Replaceable Block (SI 34.Troubleshooting General and +3 35.Repair Cleanliness 36.Cleaning the Control-LineSwitch Contacts 37.Instrument Disassembly Procedure 38.Instrument Assembly Procedure IO) six 39.RF Module Disassembly Procedure for Std, Option 010, & 020 Instruments U2 S2 40.RF Module Disassembly Procedure for Option 001, 011, & 021 Instruments U1 (RFI) order S2 41.RF Module Assembly Procedure for Std, Option 010, & 020 Instruments U2 42.RF Module Assembly Procedure for Option 001, 011, & 021 Instruments U1 H F LO UlMP17 (RFI) Figure 10. MICROWAVE CONVERTER INPUT SIQNAL DOWN CONVERTER I . + S2 RF INPUT SWITCH 3 9 / 4 for Ol1,and Figure SWITCH ASSEMBLY Schematic Diagram REGIONAL SALES AND SERVICE OFFICES NORTH/CENTRAL AFRICA EASTERN EUROPE MEYRIN VIENNA