Nokia 5510 - Appendix A: UI Module Voltages and Current Consumption; Appendix B: Signals on Oscilloscope Screen; Appendix C: Troubleshooting Flow Charts; Display Module Malfunction

PAMS Technical Documentation UI Module Troubleshooting
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Figure 52: Display Module - No Display,
Replace a good
display module
Is the display
module OK?
Change the
display module
with a new one
Check the soldering
and connection of the
36-pin B2B connector
to UI board
Display Module
Malfunction
YES
NO