LG KM710 Service Manual page 58

C131 : VRDBB => 1.4V/1.08V
C132 : VREXTL => 1.8V or 0V, Not used
C133 : VREXTH => 2.8V, TEMP_SENSE
C134 : VRMMC => 2.85V, T-flash
C135 : VRSIM => 1.8 / 2.85V, SIM
C136 : VRUSB => 3.3v
C137 : VRRTC => 1.8v
C138 : VRIO => 1.8v
C139 : VRABB => 2.8v
C140 : VRMEM => 1.8v
C141 : VRPLL => 1.3v / 1.4v
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Only for training and service purposes
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4. Trouble Shooting
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