Panasonic EB-X700, Руководство по обслуживанию

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4.8.4. System Power Supply
The following is the summary of the power supplies provided by SM-PWR (U304).
The following is the summary of the power supplies provided by Companion IC (U300).
VLBB3 U200 ARM core supply SDBB 1.50 V
±
0.09 V, 300 mA
DCDCOUT 13 V Boost Converter for driving VMAIN 13.00 V
±
0.09 V, 170 mA
Main/Sub backlight LED and
Camera Photo-light
VAUDIO U300 Audio circuit supply VMAIN 2.70 V
±
0.08 V, 100 mA
VRTC3 Back-up battery charging supply VMAIN 3.00 V
±
.09 V, 10 mA
VRTC2 U100 RTC supply VRTC3 2.10 V
±
0.06 V, 2 mA
Power Supply Description Input Supply Rating
SDBB Memory core and I/O Supply VMAIN 1.80 V
±
0.12 V, 850 mA
(U102, U203)
VLBB1 U100 DSP core supply SDBB 1.50 V
±
0.09 V, 170 mA
VLBB2 U100 ARM core supply SDBB 1.50 V
±
0.09 V, 300 mA
VINT U100 I/O and peripheral supply VMAIN 2.72 V
±
0.10 V, 135 mA
VANA U100 Analog circuit supply VMAIN 2.65 V
±
0.09 V, 220 mA
VSIM1 U100 SIM I/O and SIM card supply VMAIN 2.85 V
±
0.10 V or
VSIM1_SW Switched SIM card supply (On/off VSIM1 1.80 V
±
0.09 V, 22 mA
control by U100)
V28 U200 I/O and peripheral supply VMAIN 2.85 V
±
0.09 V, 200 mA
(Main/Sub LCD, Camera, IrDA)
VSD Mini-SD power supply VMAIN 2.85 V
±
0.10 V, 135 mA
(serially set to 2.85v after powerup)
VUSB U200 USB I/F supply VMAIN 3.10 V
±
0.10 V, 45 mA
VRF1 RF regulated supply VMAIN 2.70 V
±
0.10 V, 260 mA
(serially enabled after power-up)
VRF2 Y500 (26MHz) VCXO supply VMAIN 2.70 V
±
0.10 V, 10 mA
VRF3 U201 Bluetooth supply VMAIN 2.7 V
±
10 V, 150 mA
(serially enabled after power-up)
Power Supply Description Input Supply Rating
PROVISIONAL ISSUE