RM-583
Baseband Description and Troubleshooting
Display faults
There are usually several defects for Display: white panel, backlight N/G, display flowery or color
abnormal. First check if LCD is well connected with the module, if not, replace the connection or weld it
again. Then check the data input and operation voltage of LCD, if they are both ok, focus on CPU then.
Display faults troubleshooting
COMPANY CONFIDENTIAL
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