Test results
1
COMPONENT CONCERNED
AMPLIFIER FUSE CHECK
OK (NO FAULTS DETECTED)
FAULT DETECTED
OPERATION
Amplifier fuse
Check the correct operation of the amplifier fuse
Go to Step 2
Fuse damaged or broken
Replace the fuse and try to determine the cause of the malfunction
2
AMPLIFIER POWER SUPPLY CHECK
Amplifier wiring
Check the correct power supply on PIN C4 of the amplifier connector
Go to Step 3
Power supply not correct
Restore the correct power supply
3
EARTH CONNECTION CHECK
Check the correct connection to earth on PIN C8 of the amplifier connector
Go to Step 4
Connection not correct
Restore the correct connections
4
AMPLIFIER WIRING CHECK
Check the correct voltage between PIN A8 and PIN C8 on the amplifier wiring
End of diagnosis
Voltage not correct
Replace the amplifier
Op. 5580T42 BOSE SOUND SYSTEM AMPLIFIER - R.R.