Only For Training And Service Purposes - LG MG370 Service Manual

] Mixed Signal and Power Management Unit
• DC/DC boost for voltages up to 15V for driving White or Blue LEDs
• 8-Ohm loud speaker driver (250/350mW)
• 16-Ohm earpiece driver
• 32-Ohm headset driver
• 4 measurement interfaces (PA temperature, battery voltage, battery temperature, and ambient
temperature)
• Differential microphone input
• System start up circuitry
• Charger circuitry for NiCd, NiMh and LiIon cells
• Integrated regulators for direct connection to battery.
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

3. TECHNICAL BRIEF
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LGE Internal Use Only