Tsp; Touch Screen Does Not Work - Samsung SM-A505F Service Manual
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Also See for SM-A505F:
- User manual (227 pages) ,
- User manual (203 pages) ,
- User manual (146 pages)
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8. Level 3 Repair
8-4-19. TSP
Touch Screen does not work
Check TSP Connector on
Check the voltage
VDD_1P8_1P8 (ZD7004) = 1.8V
VDD_TSP_A3P0 (C7077) = 3.0V
Replace the Display module
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Yes
MAIN PBA
Yes
Yes
Yes
END
No
Reconnect the HDC7004
No
Resolder or Replace U5001, U7007
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