Amplifier (Amp) - DTCS B143F-13 To B146A-12

• DTC Troubleshooting
  • B143F-13-ANC Microphone 4 - Circuit Open
    • Active Noise Cancellation Microphone Positions
    • Theory Of Operation - Amplifier With ANC
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Circuits To Be Tested
    • Diagnostic Test
  • B143F-2B-ANC Microphone 4 - Wires Shorted Together
    • Active Noise Cancellation Microphone Positions
    • Theory Of Operation - Amplifier With ANC
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Radio ANC Microphone Circuits
    • Diagnostic Test
  • B1460-11-Channel 1 Audio Speaker Output - Circuit Short To Ground
    • Audio Channel Mapping
    • Theory Of Operation - Amplifier (Amp)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Circuits To Be Tested
    • Diagnostic Test
  • B1460-12-Channel 1 Audio Speaker Output - Circuit Short To Battery
    • Audio Channel Mapping
    • Theory Of Operation - Amplifier (Amp)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Circuits To Be Tested
    • Diagnostic Test
  • B1460-13-Channel 1 Audio Speaker Output - Circuit Open
    • Audio Channel Mapping
    • Theory Of Operation - Amplifier (Amp)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Circuits To Be Tested
    • Diagnostic Test
  • B1460-92-Channel 1 Audio Speaker Output - Performance Or Incorrect Operation
    • Audio Channel Mapping
    • Theory Of Operation - Amplifier (Amp)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1464-00-Channel 1 Audio Speaker Output Circuit - Shorted Together
    • Audio Channel Mapping
    • Theory Of Operation - Amplifier (Amp)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Circuits To Be Tested
    • Diagnostic Test
  • B1465-11-Channel 2 Audio Speaker Output - Circuit Short To Ground
    • Audio Channel Mapping
    • Theory Of Operation - Amplifier (Amp)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Circuits To Be Tested
    • Diagnostic Test
  • B1465-12-Channel 2 Audio Speaker Output - Circuit Short To Battery
    • Audio Channel Mapping
    • Theory Of Operation - Amplifier (Amp)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Circuits To Be Tested
    • Diagnostic Test
  • B1465-13-Channel 2 Audio Speaker Output - Circuit Open
    • Audio Channel Mapping
    • Theory Of Operation - Amplifier (Amp)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Circuits To Be Tested
    • Diagnostic Test
  • B1465-92-Channel 2 Audio Speaker Output - Performance Or Incorrect Operation
    • Audio Channel Mapping
    • Theory Of Operation - Amplifier (Amp)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Diagnostic Test
  • B1469-00-Channel 2 Audio Speaker Output - Circuit Shorted Together
    • Audio Channel Mapping
    • Theory Of Operation - Amplifier (Amp)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Circuits To Be Tested
    • Diagnostic Test
  • B146A-11-Channel 3 Audio Speaker Output - Circuit Short To Ground
    • Audio Channel Mapping
    • Theory Of Operation - Amplifier (Amp)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Circuits To Be Tested
    • Diagnostic Test
  • B146A-12-Channel 3 Audio Speaker Output - Circuit Short To Battery
    • Audio Channel Mapping
    • Theory Of Operation - Amplifier (Amp)
    • When Monitored
    • Set Condition
    • Default Action
    • Possible Causes
    • Circuits To Be Tested
    • Diagnostic Test