Black Display - Samsung SM-F711B Service Manual

6-1. Display

6-1-1. Black Display

1) Symptom
- Description : No display after power on. Temporary no display or dimmed display
2) Defect Decision Conditions
- Noised images on the screen after turning on
- Check booting sound and no vibration .
3) Repair Guide
- Caution : Disconnect battery connector first when it shows.
[AOD Jig]
Confidential and proprietary-the contents in this service guide subject to change without prior notice
Distribution, transmission, or infringement of any content or data from this document without Samsung's written authorization is strictly prohibited.
Image
* No charging sound
Or vibration
[AOD mini]
Water indicator tripped
USB charging port burnt
Cracked case
Description
1. Check the charging notification sound
or vibration when connected to charger.
- Should be no sound and no vibration.
- The device keep 'No display' status.
2. Disassemble the device.
- Refer to 'Disassembly and assembly video
guide for Galaxy Z Flip 3' from the GSPN.
3. Check the disassembled device for OOW.
- Water damage.
- Part burnt.
(Charging port, PBA, Battery and others)
- Broken traces and others.
CONFIDENTIAL