Nokia RM-429 Service Manual page 71

RM-429
BB Troubleshooting and Manual Tuning Guide
1 No backlights when image is on
2 No image when backlight is on
3 No backlight and no image
Note: When assembling/disassembling the phone, all grounding contacts between different levels
(display, display flex, display frame, hinge flex connector) must be checked in order to have them
properly connected.
Issue 1 COMPANY CONFIDENTIAL
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