Mobile Cell Phone Screen Touch (PDA) Not Working Problem and Solution – How to Solve Screen Touch (PDA) Fault in any Mobile Cell Phone

This chapter explains Mobile Phone Screen Touch (PDA) Problem and Solution – Mobile Phone Screen Touch (PDA) not working and How to Solve Screen Touch (PDA) Fault in any Mobile Cell Phone. These problem and solution apply to all brands and make of mobile phones including Nokia, Samsung, iPhone, China Mobile Phones, Motorola, HTC, Sony, Blackberry, Alcatel, Apple, AudioVox, Benefone, Danger, FIC, Hagenuk, Palm, Kyocera, LG, Panasonic, Huawei, ZTE, Spice, Lava, Sony Ericsson, Micromax etc.

What is Screen Touch (PDA) in a Mobile Cell Phone?

Screen Touch (PDA)in a mobile cell phone is an electronic component or part that helps to operate a mobile phone by touching the screen. Touch Screen is available in different sizes. It normally has 4 Points namely: – (+), (-), (RX), (TX). Screen Touch is also called PDA. It is controlled by the CPU. In some Mobile Phones there is an Interface IC called PDA IC or Screen Touch IC.

Types of Faults or Problems with Screen Touch (PDA) in any Mobile Cell Phone

• Screen Touch not working.
• Only Half Screen Touch Works.
• One key is pressed and some other key works.

Mobile Cell Phone Screen Touch (PDA) Not Working Problem and Solution – How to Solve Screen Touch (PDA) Fault in any Mobile Cell Phone

1. Check Settings if the Mobile Phone has Both Keypad and Touch Screen.
2. Clean and Resold PDA Tips and PDA Connector.
3. Change PDA.
4. Check Track of the PDA Section and Jumper if Required.
5. PDA IC: Heat or Change.
6. CPU: Heat, Reball or Change.

Note:

• If the PDA Problem is not solved by Hardware Then Reload Software to Solve the Problem.
• Construction of PDA
  

  Construction of a Mobile Phone PDA
• Any PDA of SAME Size will Fit any Mobile Phone.  Any One of the Following 5 Jumper Settings will Work:
  

  Mobile Phone PDA Screen Jumper Solution
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