Apple iPhone 3G back light problem repair jumper ways

How-to, Apple iPhone 3G back light problem repair.

With article and investigating guide answer for Apple iPhone 3G backdrop illumination shortcoming. Backdrop illumination issue is the extremely normal issue in this cell phone. You can fix it here with these stunts and graphs. It can assist with finding and fix this issue.

• Apple iPhone 3G backlight issue is a common problem.

• The issue can be caused by copying, broken, or missing LCD drivers lights.

• To fix this issue, check and replace defective drivers on the LCD connector, PCB LCD connector, or from motherboard LCD connector to light regulator stage (IC, profiles switch).

• Check positive voltages on earthy colored capacitor close to the lights regulator ice or dark loop.

• Make jumper from LCD driven lights to PCB positive and negative points cautiously.

• Clean all PCB thoroughly and avoid touching delicate parts.

• Test a red variety line stamped parts pinpointed by a testing meter for missing.

• If everything shows okay, fix it in the display board lights segment.

When the backdrop illumination is blamed. The client couldn't see anything in that frame of mind on their mobile phone. To fix this issue. You really want to peruse the full post for a superior comprehension. 

Issue: No light, Clear LCD, Missing focuses. Missing Drove current. Something is obscure. 

Arrangement: First affirm that drove lights are working in the event that everything is good to go with Drove lights, make these jumper straightforwardly with jumper wire starting with one then onto the next point on connector.

 Backdrop illumination issue fix ways.

LCD backdrop illuminations not working in Apple iPhone 3G screen is dark and at light assuming screen show us without lights. Some time this issue is made by copying, broken, missing LCD drove lights. For missing, copying or crushed drove lights on LCD spirit side strip, kindly check and supplant defective drove. Missing positive or negative focuses on LCD connector, pcb LCD connector or from motherboard LCD connector to lights regulator stage (ic, profiles switch) Make a jumper with jumper wire cautiously

Check positive voltages on earthy colored capacitor close to the lights regulator ice or dark loop.

Positive volts straightforwardly come from the dark curl and from the dark loop to the circuit and light regulator IC; the other place of LCD lights comes from negative and other dark capacitor close to the power ic red checked point.

1. Make jumper from LCD drove lights to pcb positive and negative point cautiously.
2. Here is the outline of moves toward effectively resolve backdrop illumination issues.
3. Attempt to clean first all PCB the dry it with hot air since it is old telephone.
4. Be cautious during cleaning. Stay away from delicate parts to contact or clean.
5. Test a red variety line stamped parts pinpointed by testing meter for missing.
6. In the event that you have, find any unlink pinpoints on the PCB. You might fix it by direct jumper.

Assuming there is everything shows alright. That implies you want to fix it in the showcase board lights segment.

To fix from the front presentation board. You can test its absent or consuming Drove's. You can likewise test or clean its presentation connector. Assuming that issue has been settled. Your iPhone is turned out great. Kindly compose your experience into the remarks segment here. 

Yet, in the event that you can not tackle your concern, then, at that point, you can email me at shahidabbas2001@gmail.com. You can likewise buy into our bulletin to get the most recent and refreshed content into your letter drop.

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 Caution! 

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