LG GSA-4167B Service Manual page 65

Power Supply/GND Pin List
Pin Name Pin No.
VDD 28,41,72,
130,146
VCCR 2,53
VCCRQ 8,26
VDDAA 159
189,193,197
VCCA
108
139
166
185
186
VCC 199
VCCIO 7,32,52,
58,75,88,
133,148,200
VSS 27,42,73,
131,145
VSSR 1,54
VSSRQ 11,22
VSSA 104
105
144
167
168
187,191,195
VSSAA 158
VSSIO 6,31,51,
57,74,87,
132,147,201
69
I/O
PW
PW
PW
99 PW
PW
PW
GND
GND
GND
GND
GND
GND
Function
DSP core power supply (1.5V)
SDRAM power supply (3.3V)
SDRAM I/O power supply (3.3V)
1.5V system analog power supply (1.5V) WPLL1,2
1.5V system analog power supply (1.5V) PRML A/D Data PLL
Analog power supply (3.3V):AUDIO / ADIP
Analog power supply (3.3V):PLL multiplication
Analog power supply (3.3V):LVDS
Analog power supply (3.3V):WPLL1,2
Analog power supply (3.3V):Servo A/D D/A
Analog power supply (3.3V):PRML A/D Data PLL
Digital power supply (3.3V):PRML A/D Data PLL
DSP I/O power supply (3.3V)
DSP core GND
SDRAM GND
SDRAM I/O GND
Analog GND:AUDIO / ADIP
Analog GND:PLL multiplication
Analog GND:LVDS
Analog GND:WPLL1,2
Analog GND:Servo A/D D/A
Analog GND:PRML A/D Data PLL
1.5V system analog GND:WPLL1,2
DSP I/O GND
Connected SDRAM I/O GND through 6,31pin