| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
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| Check the CDs are inserted correctly in the CD changer housings. | Move on to Step 1 | CDs not inserted correctly | Insert the CDs correctly |
| 1 | CHECK THE CD CHANGER POWER SUPPLY | All OK | Problems encountered | Operation |
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| Check the continuity of the wiring between Connect and the CD ChangerCheck the power supply to the CD-changer is correct See Test 5570TG CD-CHANGER POWER SUPPLY CHECK | Move on to Step 2 | - Wiring broken
- Power supply interrupted
- CD changer activation signal interrupted
| - Restore wiring continuity
- Restore power supply See E3510 RADIO
- Restore the activation signal See E3510 RADIO
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| 2 | CHECK THE COMMUNICATION SIGNALS BETWEEN CONNECT AND THE CD CHANGER | All OK | Problems encountered | Operation |
|---|
| Check for audio signals communication signals to Connect at the CD-changer output See Test 5570TH CHECKING THE AUDIO SIGNALS BETWEEN THE CD-CHANGER AND THE CONNECT | End of diagnosis | - Audio signals interrupted
- communication signals interrupted
- CD changer defective
| - Restore wiring continuity
- Restore wiring continuity
- Replace the CD changer Op. 5570T84 COMPACT DISC UNIT - R+R
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