Kirisun DP990 Service Manual

DP990/DP995service manual
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5.5.Detaching Main Board from Aluminum-Alloy Holder
Step 1 Screw down the eight screws on the mainboard using a Phillips screwdriver.
Step 2 Unsolder the motor wire using a soldering iron, and then take down the motherboard.
5.6.Detaching Key Board
Step 1 Insert the thin point of a flat-headed screwdriver into the gap between the volume and channel knobs and the
top housing, and prize and pull out the knobs.
Step 2 Remove the nut of the volume knob using a special tool.
Step 3 Unplug the FPC cables of the earphone board, numeric keys, PTT key from the sockets on the key board.
Step 4 Unsolder the leads of the speaker and mic using a soldering iron.
Step 5 Take down the four screws on the key board, and then take off the board.
After the above disassembly procedures are finished, you may repair and debug the radio.

Kirisun DP990 Specifications

General

Brand	Kirisun
Model	DP990
Category	Two-Way Radio
Language	English