Sony PCV-LX810 - Manuel (Page 65)

System Board 51
Fan (CPU FAN, PWR FAN) Connectors
The CPU Fan connector is a 1 x 3-pin straight header connector that controls the
CPU cooling fan.
The PWR FAN connector is a 2 x 3-pin connector that controls the power supply
cooling fan. It connects to P3 from the power supply.
CPU Fan connector
Pin Signal Name
1 GND
2 FAN_CTRL (+12 V)
3 FAN_SEN
PWR FAN connector
Pin Signal Name
1 Ground
2 Fan C
*
* Power supply provides 12 V to this pin when system is in Power On mode (for fastest fan speed), and 6 V
when system is in Suspend mode (to reduce fan noise).
3 3.3 V sense
O N 1 2
1 3
PWR FAN
CPU Fan
1
3