TROUBLESHOOTING AND REPAIR
MODULE REPLACEMENT 6-2.
Module replacement involves identifying and replacing the problem module. The
replacement module may be obtained through the Module Exchange Program or from
your spare module stock, which may then be restored using the Module Exchange
Program.
Use the troubleshooting tree (see Figure 6-2) to help diagnose the problem. To help
identify the problem module, call your local Fluke Technical Center for troubleshooting
assistance. Once the Fluke service technician believes the problem module is identified,
a replacement module can be shipped prepaid by an overnight air carrier.
After verifying that the replacement module corrects the problem, return the defective
module in the shipping container, and include the prepaid return shipping papers and
label.
To order a replacement module, use the part number for the assembly shown in Table
6-1 and identify the assembly as a module exchange part. For general parts
procurement, refer to Section 8 for the part number and other ordering information.
Paragraphs 6-3 through 6-20 describe the available exchange modules and any
necessary adjustments. Refer to Section 5, Access Procedures, for instructions
regarding removal and replacement of the modules. If any problems occur, refer to the
appropriate paragraph in this section for instruction on troubleshooting and
alignment. Module replacement should be followed by related performance tests
(Section 4) to ensure that the problem(s) have been fixed.
Table 6-1. Module Exchange Assemblies
ASSEMBLY NO.
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A19
A20
A22
MEC P/N
860853
860861
860866
860874
860879
860890
860809
860817
860820
860841
860846
860825
860833
861088
860895
860858
860812
860887
DESCRIPTION
Display PCA
Coarse Loop PCA
Sub-Synthesizer VCO PCA
Sub-Synthesizer PCA
Coarse Loop VCO PCA
Mod Oscillator PCA
Relay Driver PCA
Output PCA
Sum Loop VCO PCA
Premodulator PCA
Mod Control PCA
Sum Loop PCA
Controller PCA
FM Board PCA
Power Supply PCA
Switch PCA
Attenuator/RPP Assembly (A7+A21+A30)
Delay Line Assembly (A25+A26+Delay
Cable+Trim Cable)
6-4
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