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Fault Identifying Tests (Cu5000) - Sailor VHF 5000 Series Workshop Manual

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VHF 5000 System
3.4.5

Fault Identifying tests (CU5000)

The CU5000 is water resistant, and shall never be disassembled for repair. The following flow describes a
checklist to go through before determining the CU5000 should be replaced.
(SPD-flow)
(SPD-flow)
SPARC-II
SPARC-II
data
data
(Replace)
(Replace)
Replace CU
Replace CU
(Replace)
(Replace)
Replace BB
Replace BB
(Base band
(Base band
board)
board)
Fig. 26 (CU) - CU5000 verification flow.
0608
(CU-01)
(CU-01)
check cabling &
check cabling &
Power up system
Power up system
(CU-02)
(CU-02)
Failed
Failed
Accessory
Accessory
check?
check?
(CU-03)
(CU-03)
Failed
Failed
Key/
Key/
display?
display?
(CU-04)
(CU-04)
Failed
Failed
Internal
Internal
speaker?
speaker?
Failed
Failed
(CU-05)
(CU-05)
Hook?
Hook?
Failed
Failed
(CU-06)
(CU-06)
Earpiece?
Earpiece?
Failed
Failed
(CU-07)
(CU-07)
PTT?
PTT?
Failed
Failed
(CU-08)
(CU-08)
Microphone?
Microphone?
(CU-09)
(CU-09)
Failed
Failed
External
External
speaker?
speaker?
40467
40467
Passed
Passed
Passed
Passed
Passed
Passed
Passed
Passed
Passed
Passed
Passed
Passed
Passed
Passed
Test Flow
Test Flow
Terminated
Terminated
Functional unit workshop service
3-47
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