KX-NCV200BX, KX-TVM204X, KX-TVM296X (serv.man3) - Panasonic PBX Service Manual (repair manual). Page 114

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114
KX-NCV200BX / KX-TVM204X / KX-TVM296X
• Concerning the LED on the DSP card
There is an LED mounted on the DSP card at the position shown in the diagram below. This LED is for servicing. When the DSP
downloads program software normally and moves into operating state, the DSP's LED lights up. An unlit LED indicates anoma-
lies such as unsuccessful software downloads or failure of power supply to the DSP chip. 
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