Insignia NS-B4111 Motherboard Replacement

Unplug and remove the power cord. Turn the boombox upside down.

Grip the sides of the case and use your thumbs to pop open the battery cover.

Pry out the batteries with your fingers.

Turn the boombox upside down again. With the Phillips PH1 or the Flathead #3 screwdriver, remove the three 14mm black screws.

Remove the four 18mm chrome screws with the Phillips PH1 screwdriver.

Gently remove the bottom half of the casing from the top half of the casing.

Remove the 10mm chrome screw from the antenna base with the Phillips PH1 screwdriver. Remove the antenna base from the casing.

This red wire will now be loose and you can move it out of the antenna base slot.

Unscrew the four 12.5mm screws with the Phillips PH1 Screwdriver.

Unscrew the one 10mm long screw with the Phillips PH1 Screwdriver.

Orient the device so that the back is facing you.

Unplug the six pin male/female header from its socket on the motherboard. The wires on the header are these colors: burgundy, red, orange, yellow, green, and blue.

Gently pull out the ribbon cable from its socket on the motherboard.

Rotate the device so that the front is facing you.

Unplug the four pin header from its socket on the motherboard. The wires on the header are these colors: brown, red, orange, and yellow.

Gently pull out the ribbon cable from its socket.

Pull out the two pin header from its socket on the motherboard. The wires on this header are black and white.

Scrape off the glue from the black wire with the blue plastic opening tool.

Desolder the one black, one red, and two blue wires. If you need help soldering, see this guide.