Uniwill 340S2, Service Manual

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Chapter 1 General System Description
340S2 5
Rev : B
1.2.2 LCD Display
14.1” TFT
13.3” TFT
12.1” TFT
13.0” HPA
12.1” HPA
1.2.3 Power Plans
Power Source Descriptions
+5V : 5V power source
+3V : 3.3V power source
+12V : 12V power source
CPU_Core : CPU Core power source.
For Celeron, the voltage is 2.0V.
For Pentium III, it is 1.8V.
+1.5V : CPU AGTL+ termination power source
VCC_CMOS : CPU CMOS pull up voltage.
For Celeron, the voltage is 2.5V.
For Pentium III, it is 1.5V.
+2.5V : 2.5V power source
+1.8V : 1.8V power source for SIS630
KBVCC : KBC 3.3V power source
KBVCCA : KBC AD/DA 3.3V reference voltage
VCCRTC
: Real time clock power source
+5V_AUX : LAN 5V always power source
+3V_AUX : LAN 3.3V always power source
+3V_RX_TR
: LAN 3.3V analog power source
+3V_TX_TR : LAN 3.3V analog power source
LCDVCC : LCD display 3.3V power source
VIN
: Inverter 12~20V power source
ADAP+ : 20V Power supply from AC adapter
AMPVDD : 5V analog power for audio