DM588 Service Manual
6.2.Disassembling Main Unit
To disassemble the main unit, take the following steps.
1. Screw down the eight M3*6 cross recessed mushroom-head machine screws fastening the main
board, unweld antenna connector using a soldering iron, and unplug the GPS and Bluetooth cable
connectors.
2. Lift the front part of the main board, and take out the board forwards up.
Note:
To ensure that the tube power amplifier is at the accurate position while assembling or
disassembling the board, install the screws fastening the board and the amplifier before welding
the amplifier. (If the amplifier might melt because of heat when the board is disassembled, remove
the amplifier first.)
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