User guide
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Section II 
Installation 
2-1  Initial Inspection. 
2-2  Refer to table 5-1 for a list of parts included in the 85662A-LCD Retrofit Kit. 
Verify that all parts listed are included in your kit. 
2-3  Installation of the Color LCD Kit. 
2-4  Installation should not be attempted unless it is done so by a highly skilled 
electronic repair technician. 
2-5  Kit installation time is approximately 3 hours. 
2-6  Refer to spectrum analyzer service manual for location of assemblies. 
2-7  Disconnect AC power cord. 
2-8  Remove all cables connecting the 85662A IF section to the 8566/67/68 RF 
section. 
2-9  Separate the IF section from the RF section. 
2-10  Remove the top, bottom, and side covers from the 85662A. 
2-11  Remove the eight front corner frame screws connecting the front panel assembly 
(figure 1) to the four frame struts. 
2-12  Remove the one screw on the bottom center of the front panel assembly that 
attaches it to the centerline motherboard support. 
2-13  Carefully separate the front panel assembly from the frame struts. 
Figure 1: Front Panel Assembly 










