Galaxy Note 2 Screen Replacement

My Samsung Galaxy note 2 screen was broken and I need to change it. The screen is still working and only the glass was broken. Thiri helped me to order the replacement screen online and it cost around 15 SGD. After taking out the back cover, battery, SIM card, memory card, and stylus, the 11 screws as shown in the following figure was removed.

Adjustable Voltage Regulator Using LM337

I need an adjustable voltage regulator for the following laser diodes.