199001056 - 5570TK SUBWOOFER OPERATION AUDIO SIGNALS CHECK
FOREWORDIn order to carry out this test correctly, insert any music Compact Disc in the CD loader, making sure the part with the wording is positioned in the correct direction.- Switch the radio on.- Enter Voltmeter mode and connect the Voltmeter probes (positive and negative) alternately to the Subwoofer amplified firstly at pins: 2 and 5 for right audio input, and 1 and 4 for left audio input.SUBWOOFER
| PIN | SIGNAL |
|---|---|
| 1 | Left audio input (+) |
| 2 | Right audio input (+) |
| 3 | +13.5 Vdc power supply |
| 4 | Left audio input (-) |
| 5 | Right audio input (-) |
| 6 | Not connected |
| 7 | Earth (GND) |
| 8 | Ignition enablement (key-on) |