Aiala · DZ-B-8386-V5.2 · eMMC replacement
Aiala: eMMC replacement on the DZ-B-8386-V5.2 board
The interactive display remained on the startup logo and did not reach the working interface.
Aiala AG-7501A, 75-inch · Main Board DZ-B-8386-V5.2
Initial condition
- The display powered on and showed the startup logo.
- Startup did not continue.
- Repeated power cycles did not change the symptom.
Diagnostics
- The main-board units were checked.
- The Samsung KLMAG1JETD 16 GB eMMC was confirmed faulty.
- The need for eMMC replacement and software recovery was confirmed.
Work performed
- The failed eMMC was replaced.
- System software was restored for the board configuration.
- Repeated startup and stability tests were completed.
- Display operation was tested after recovery.
Result
The display is fully operational: startup completes, the working interface opens and repeated power cycles are normal.
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