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Panasonic KX-TG6440PK Service Manual page 12

Telephone equipment
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KX-TG6440PK/KX-TGA641S/KX-TGA641T/KX-TGA740B
4.4.3.
Power Supply Circuit
Function:
The power supply voltage from AC adaptor is converted to the desired voltage of each block.
Circuit Operation:
• IC321: 3.0 V Regulator
• IC331: 3.3 V Regulator
12

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Kx-tga641sKx-tga641tKx-tga740b

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