Lenovo IdeaCentre B345 Hardware Maintenance Manual page 68

Step 23. To install the new the power switch board:
a. Insert the power switch board, snap it in position and secure it with the pins.
b. Connect the converter cable to the connector on the new LED panel, and attach the converter
cable to the LED panel properly using double faced adhesive tape.
c. Line up the chassis with the mounting holes on the front bezel, connect the touch control
cable and LVDS cable to the connectors on the new LED panel, and then place the chassis
into position.
d. Connect the converter cable to the converter.
e. Connect the front function board cable, front indicator board cable and the power switch
board cable to the connectors on the motherboard.
f. Reattach the Wi-Fi antenna cables back to the front bezel.
g. Secure the new LED panel to the chassis with four screws.
h. Secure the chassis to the front bezel with the eight screws.
i. Reinstall the camera and the Bluetooth module.
Step 24. Reattach the EMI cover, middle cover, optical drive, computer stand and the rear cover.
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IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual