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Introduction

If your SD card is not being recognized properly, or if the slot is physically damaged, the fault likely lies with the SD card reader component itself.

This repair is an intermediate to advanced procedure that requires disassembling the PRS-505 and replacing the SD card slot, which is often soldered directly to the main logic board.

Warning: This guide requires handling delicate internal components and may necessitate soldering skills. The aged plastic casing is brittle, and you must take anti-static precautions to avoid accidentally damaging other components on the circuit board.

What you need

Step 1 SD Card

Sony PRS-505 SD Card Reader Replacement, SD Card: step 1, image 1 of 2

Sony PRS-505 SD Card Reader Replacement, SD Card: step 1, image 2 of 2

Press the SD card inward until it clicks and springs outward.
Take the SD card out of the device.

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Step 2 Battery

Sony PRS-505 SD Card Reader Replacement, Battery: step 2, image 1 of 2

Sony PRS-505 SD Card Reader Replacement, Battery: step 2, image 2 of 2

Remove the stylus.
Remove the four 2 mm screws from the back of the device using a Phillips #000 screwdriver.
Loosen the screw on the bottom of the device that is in its own little divot using a Phillips #000 screwdriver.

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Step 3

Remove the thin panel on the bottom of the device using an opening tool.
Use a Phillips #000 screwdriver to remove the three 5 mm screws that are underneath the panel.

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Step 4

Remove the thin top panel using an opening tool.
Remove the two metal brackets from the top of the device.
They are both silver with a hole.

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Step 5

Gently but firmly push the inner components of the PRS out towards the top until the ribbon cable is completely exposed and accessible.

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Step 6

Disconnect the ribbon cable.
Carefully continue to push the inner body of the device towards the top until the battery is accessible.

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Step 7

Sony PRS-505 SD Card Reader Replacement: step 7, image 3 of 3

Gently pry the battery from its placeholder within the device’s inner body. Disconnect and remove the battery.
If the battery won’t come out, remove the entire compartment by removing the two 3 mm screws with a Phillips #000 screwdriver.

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Step 8 SD Card Reader

Sony PRS-505 SD Card Reader Replacement, SD Card Reader: step 8, image 1 of 3

Sony PRS-505 SD Card Reader Replacement, SD Card Reader: step 8, image 2 of 3

Sony PRS-505 SD Card Reader Replacement, SD Card Reader: step 8, image 3 of 3

Disconnect the two ribbon cables: one next to the battery compartment and the other next to the SD card reader.
Remove the black midframe.

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Step 9

Remove the single 2.5 mm screw using a Phillips #00 screwdriver.

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Step 10

Use a soldering iron to desolder the SD card reader from its connecting points on the ribbon colored compartment.
Remove the SD card reader.
Before you start reassembling, you will have to resolder your new reader onto the ribbon colored compartment.