| 摘要 |
PURPOSE: A signal reception display device of a mobile terminal is provided to display reception of a call signal by changing an LED according to the size of a bell sound informing the received call signal. CONSTITUTION: A line directing to a speaker(203) can be connected as a power source of an LED(204), and by turning on a switch(202) with 3V by user's setting, 3V can be used as a power source of the LED(204). In case that the speaker(203) is used as a power source of the LED(204), the LED(204) is controlled according to a sound volume of the speaker(203). In this case, in order to use the speaker(203) as the power source of the LED(204), a 'KEY_LED_EN' signal is kept in an ON state, and during call communication, the 'KEY_LED_EN' signal is in an OFF state. In case that the switch(202) is turned on with 3V by user's setting to use the LED(204), when a call is received, the LED(204) is turned on.
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