Indicator Led Troubleshooting - Nokia n81 Service Manual

RM-179; RM-223
Camera Module Troubleshooting

Indicator LED troubleshooting

RM-179 implements a flash light for taking pictures in dark conditions and which is also used as notification
light in video recording mode. In notification mode flash LED is driven with torch current and PWM of 1/32
(up to 4,7mA). In this mode the logical input of EN1 is 1 and for EN2 it is 0. For notification light
troubleshooting, Camera flash LED troubleshooting (page 5–20) flow chart can be used.
Issue 1 COMPANY CONFIDENTIAL Page 5 –21
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