8
Model No.: DM-301P
Version: 1.0
EASY DAMAGED COMPONENT AND BADNESS
PHENOMENON LIST
COMPONENT BADNESS PHENOMENON
AC power
AC no power.
Line control
Malfunction.
Batteries for remote controller
No controlling function.
Bettery chip
No power.
Power socket
No power.
Q6 (C4115S)
Weak power can’t start the unit or no. 3.3V power
voltage.
HOLD switch
Malfunction.
Open switch
Show “OPEN” or power off when turn on the
unit.
Touching between ROOM (2M FLASH) and
socket
No feekback when turn on the unit.
Earphone socket
No sound or single sound or interrupted sound.
Connecting housing of control board
No feednack or no display when turn on the unit.