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Motorola APX 6000 Service Manual

Motorola APX 6000
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5-28 Troubleshooting Charts: VOCON RX Audio Error
5.11 VOCON RX Audio Error – External Audio
No audio out of External
Speaker
Measure Speaker
Lines on GCAI
Connector Using
Oscillscope
Examine VOCON
and GCAI
Connector on
Expansion Board
View SSI Signals
at R1004, R1005,
and R1006 Using
an Oscilloscope
Inspect Connector
to J1001 on
VOCON board
View SSI Audio
Data at R3015
Is Data Present
Is Connector Damaged
or Soldered Improperly
Replace or Repair
Connector
Replace RF Board
Is Data Present
Is Data Present
Replace VOCON
Board
Measure PreAmp
Filter at R6416
and R6417
No
Yes
Yes
Yes
Yes
No
No
Yes
Inspect Connector
J4001
Inspect PreAmp
Filter
Values,
Placement OK?
Repair or Replace
Parts
Replace VOCON
Board
No
Yes
Yes
No
Replace or Repair
Connector
Replace
VoCon Board
Is Either Connector
Damaged or Soldered
Improperly
Measure Audio
at Vocon
Test Point
SPKR+ and SPKR-
Replace or Repair
Connector
Replace
Expansion Board
Audio Signal
Present
Audio Signal
Present
Audio Signal
Present
Replace External
Speaker
Measure Audio
Signal at Expansion
Board R2013 and
R2014
Yes
No
Replace Housing
and GCAI Board
YesNo
No
No
Connector Damaged
No
Yes

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Motorola APX 6000 Specifications

General IconGeneral
BrandMotorola
ModelAPX 6000
CategoryTwo-Way Radio
LanguageEnglish

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