Display Problems - Sony Ericsson K750 Troubleshooting Manual, Mechanical

7 Display Problems

Problem Area Items to Check
LCD problem Check whether the phone vibrates 10 to 15
seconds after pressing the power key and
whether the keypad illuminates
Before proceeding !
Visually inspect whether the LCD flex film
is properly connected to its connector on
the PCB
4/000 21-1/FEA 209 544/94 C
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Sony Ericsson Mobile Communications AB
Repair Action
•
If activation of the vibrator are not
detected, refer to the On/Off Problems"
chapter 2
•
Perform a flash upgrade and a setting reset.
•
If improperly connected – Re-establish
proper connection.
Trouble Shooting Guide, Mechanical
Reference Image
19(33)