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Test
The DRV134 unmounted
Apply voltage to the X4 connector. Notice the connection of the X4, see above!
- Measure the voltage between ground and pin 6 of the N1, should be around +15 V.
- Measure the voltage between ground and pin 5 of the N1, should be around -15 V.
Solder the DRV134. Apply voltage again and check the output voltage which should be a few millivolts.