background image

SPA 9321-30C Installation and Service Manual

 Copyright Powerwave Technologies, Inc., February 2003. All rights reserved

044-xxxxx Rev. A

6-1

February 2003

Section 6  Troubleshooting

6-1 

 

Introduction

This section contains a list of problems and a few suggested actions that may correct the prob-
lem.  If the suggested corrective action does not eliminate the problem, please contact your
Powerwave field representative or the factory for further instructions.

N

OTE

Check your sales order and equipment warranty before attempting to service or
repair the unit.  Do not break the seals on equipment under warranty or the warranty
will be null and void.  Do not return equipment for warranty or repair service until
proper shipping instructions are received from the factory.

6-2 

 

Troubleshooting

Refer to table 6-1 for troubleshooting suggestions.

Table 6-1   Troubleshooting

Symptom

Suggested Action

LED not lit

1.  Check that rack power connection is secure.

2.  Check for proper power supply voltage.

3.  Check that power switch is ON position.

LED is red

1.  Verify amplifier is enabled.

2.  A large RF input overdrive has caused an alarm. Reduce input power and

re-enable the amplifier.

3.  Follow recommendations of BTS operating manual.

No RF
Output

1.  Check input and output connections and cables for integrity and tightness.

2.  Check RF input power to verify that it is present and within specification

range.

3.  Contact Powerwave field representative or factory.

6-3 

 

Return For Service Procedures

When returning products to Powerwave, the following procedures will ensure optimum response.

6-3.1  

 

Obtaining An RMA

A Return Material Authorization (RMA) number must be obtained prior to returning equipment to
the factory for service.  Please contact our Repair Department at (888) 797-9283 or (714) 466-
1000 to obtain this number, or FAX your request to (714) 466-5816. Failure to obtain this RMA
number may result in delays in receiving repair service.

6-3.2  

 

Repackaging For Shipment

Summary of Contents for SPA 9321-30C

Page 1: ...1930 1990 MHz Copyright Powerwave Technologies Inc February 2003 All rights reserved 044 xxxxx Rev A February 2003 Model SPA 9321 30C Single Channel PCS Amplifier Installation Service Manual...

Page 2: ...CA 92705 Fax 714 466 5800 Web Site www powerwave com 2003 Powerwave Technologies Incorporated All rights reserved Powerwave Technologies and the Powerwave logo are registered trademarks Powerwave Tech...

Page 3: ...and Inspection 2 1 2 4 Installation Instructions 2 2 2 5 Amplifier Module Connectors 2 2 2 5 1 Data I O Connector 2 3 2 5 2 Amplifier RF Connectors 2 4 2 5 3 DC Power Connector 2 4 Section 3 Operatin...

Page 4: ...Shipment 6 1 List Of Illustrations Figure Page No No 1 1 SPA 9321 30C Amplifier 1 3 2 1 SPA 9321 30C Front Panel View 2 2 2 2 Data I O Connector 2 3 2 3 DC Power Connector 2 4 3 1 Front Panel Indicat...

Page 5: ...nel power amplifier that operates in the 60 MHz frequency band from 1930 MHz to 1990 MHz It is designed for use in an amplifier system that is modular in design and is ideally suited for use in GSM ED...

Page 6: ...watts maximum RF Gain at 1960 MHz 48 0 5 dB Gain Variation Over All Conditions 2 0 dB Output Protection Mismatch Protected Input Port Return Loss 16 dB Min Out of Band Spurious 50 dBc max Spectral Mas...

Page 7: ...er rv ve ed d A Al ll l s sp pe ec ci if fi ic ca at ti io on ns s a ar re e s su ub bj je ec ct t t to o c ch ha an ng ge e w wi it th ho ou ut t n no ot ti ic ce e C Co on nt ta ac ct t t th he e f...

Page 8: ...amplifier has an internal fuse so a failure in one does not shut off the whole installation 2 3 Unpacking And Inspection This equipment has been operated tested and calibrated at the factory Only in...

Page 9: ...plifier Refer to section 2 5 1 WARNING Turn off external DC power before connecting DC power cables Verify that the amplifier is terminated into a proper 50 Ohm load 5 Connect the DC power cable to th...

Page 10: ...re listed and described in table 2 1 Figure 2 2 Data I O Connector on Front Panel Table 2 1 Data I O Connector Pin Definition Pin Function Description 1 Ground Ground 2 Ground Ground 3 Synchro Signal...

Page 11: ...ified in table 1 1 The RF Output connector is Type N female They are listed and described in table 2 2 Table 2 2 Amplifier RF Connector Definition Function Description RF Input SMA Female RF Output Ty...

Page 12: ...s 3 3 Initial Start Up And Operating Procedures To perform the initial start up proceed as follows 1 Verify that all input and output cables are properly connected CAUTION Before applying power make s...

Page 13: ...ual for detailed instructions 4 3 RF Output Load The load impedance should be as good as possible 1 5 1 or better in the working band for good power transfer to the load 4 4 SPA 9321 30C Amplifier The...

Page 14: ...converter to supply internal circuitry with 27 VDC and 5 VDC 4 4 4 Multifunction Board The multifunction board enables communication between the amplifier and the base transceiver station in which it...

Page 15: ...ll rights reserved 044 xxxxx Rev A 5 1 February 2003 Section 5 Maintenance 5 1 Introduction The amplifier is designed to be operated without any required periodic maintenance other than maintenance wh...

Page 16: ...ested Action LED not lit 1 Check that rack power connection is secure 2 Check for proper power supply voltage 3 Check that power switch is ON position LED is red 1 Verify amplifier is enabled 2 A larg...

Page 17: ...reserved 044 xxxxx Rev A 6 2 February 2003 To ensure safe shipment of the amplifier it is recommended that the package designed for the amplifier be used The original packaging material is reusable If...

Reviews: