Magnetometer Troubleshooting - Nokia RM-484 Service Manual

Self test limits
• Values in LSB
• 4605957 (ST, LIS3LV02DQ)
• 2.5V
• x=(min 180, max 320)
• y=(min 180, max 320)
• z=(min 80, max 250)
• 2.8V, not evaluated
• 4605983 (ADI, AD22340)
• 2.5V not evaluated
• 2.8V
• x=(min 15, max 30)
• y=(min 15, max 30)
• z=(min 3, max 15)
• 4605987 (ST, LIS302DL)
• 2.5V not evaluated
• 2.8V
• x=(min 3, max 16), unsigned
• y=(min 3, max 16), unsigned
• z=(min 3, max 16), unsigned

Magnetometer troubleshooting

Equipment
• Non-magnetic, horizontal table
• nearest ferromagnetic part, distance more than 50 cm
• Traditional needle type compass for reference
• Rotating platform (sheet of wood or plastic)
• PC with Phoenix
Preparation of phone
• Set the rotating platform to the table
• Set the phone and reference compass to the rotating platform
• Connect the phone to the PC and start Phoenix
Tests
• General troubleshooting test
• Self-test (ST)
• Azimuth check test
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RM-484; RM-485; RM-486
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