Nokia 6700s MMC Problem Repair Solution

This solution covers and may possibly help fix Nokia 6700 slide with memory card not detected problem.
If the  device unable to detect any microSD memory card inserted, you may first try to clean the microSD card slot pins for possible oxidation build-up.  

Nokia 6700s MMC connection tracks

then refer to the solution above and then check the memory supply voltage and ground pins, then the memory detection switch. Ff all these three connection line paths seems okay, the possible problem lies on the Power Supply and Processor chips.

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Nokia 6700s Solution - SIM Card Ways

This solution holds for Nokia 6700 slide with insert sim card problem. Just refer to the solution below if the device is  unable to detect any kind of sim card being inserted to it and it shows "INSERT SIM CARD" or Sim Card Not Inserted".

Nokia 6700 slide SIM card ways

You may first try to clean the SIM card pin connectors and its surrounding components and ensure that it is free from oxidation.  Check the VSIM and GROUND pins connection line paths, the rest pins is connected directly to the GAZOO chip.

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Nokia 6700s Display Backlight LED Problem Solution

This solution covers and may possibly help fix a not working LCD display backlight LED and shows a dark screen display on the device.

If this problem occurred, you may first try to replace or install new LCD screen module just to easily determine if the LCD backlight LED is already damaged or caused the problem.

If after changing the LCD screen and the problem still exist, check and try to replace the flex ribbon cable wire. If the flex seem working,  Reheat or then replace the LED driver IC, but check the 3.7volts supply voltage to it first before attempting to replace it. You can check this voltage on the filter coil showed on the solution above.

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Nokia 6700s Earpiece Speaker Repair Solution

This solution covers on how to fix a not working earpiece or receiver speaker of Nokia 6700 slide.
The earpiece speaker is being connected to the flex ribbon cable of the device, you may first check and try to replace the speaker then the flex cable for possible damaged.

If already ensured that the speaker and the flex were both okay, you may then trace the corresponding connection line paths of the earpiece speaker from the flex pin connector down to the two capacitors near the GAZOO IC. There is a possibility that the GAZOO chip also caused the problem since it holds and feeds the audio data signal to the speaker. Reheating or reworking it might possibly fix the problem.

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Nokia 6700s slide Camera Button Switch Repair Solution

This solution covers for a not working camera button switch of Nokia 6700s.
You may first try to replace the button switch for possible damaged if this problem occurred.
If the camera switch is not damaged, but it doesn't work trace the corresponding line paths as shown on the solution below.

You may then just apply or mend a tiny magnetic jumper wire on it to reconnect if the connection is being cut-off. The camera switch is also connected to the keypad keys, check if some of the keys also doesn't work. If this happen, the problem n\may lies on a faulty keypad filter IC.

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