User's Manual
Troubleshooting and MaintenancePlanning and PreparationIntroduction
MCPS2135 System Operation 27
2001 Spectrian Corporation. All rights reserved.
6 Troubleshooting and
Maintenance
6.1 Introduction
The following chapter provides basic information about diagnosis of problems
with the MCPS2135. Please read the following safety information prior to
beginning diagnosis and repair actions.
+ Warning: Troubleshooting and repairs should be performed only by trained and
qualified personnel or at authorized Spectrian repair depots. Observe all safety
warnings and use the required safety equipment when performing the tasks
described in this chapter.
. Note: Before shipment, theMCPS2135 was inspected and found free of
mechanical and electrical defects. The electrical performance of theMCPS2135
should be verified using these procedures. If there is any deficiency, or if
electrical performance is not within specifications, notify your Spectrian
representative immediately.
Tools
The following tools are recommended to perform system service tasks.
• HP 436 Power Meter
• Digital Volt Meter (DVM)
6.1.1 Safety Information
To avoid injury, installers, technicians, and maintenance personnel must follow
Spectrian's recommended procedures and observe all safety precautions.
+ Warning: The MCPS2135 transmits high power at radio frequencies. Severe
radiation burns can occur if recommended safety precautions are not strictly
observed.
+ Warning: Persons with cardiac pacemakers should avoid exposure to RF
radiating elements. Exposing the human eye to high levels of radio-frequency
radiation may result in the formation of cataracts. Do not operate exposed
circuitry or radiating elements with personnel in close proximity to the radiating
source. Always replace covers and shields during operation.
+ Warning: Except where specifically indicated, always disconnect RF input
power and DC input power to the MCPS2135 before performing procedures that
do not require power. For those procedures that do require power, be extremely