Sony PCV-LX800 - Manual (Page 63)

System Board 49
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 (+12V)
3 FAN_SEN
PWR FAN connector
Pin Signal Name
1 Ground
2 Fan C *
* Power supply provides 12V to this pin when system is in Power On mode (for fastest fan speed), and 6V
when system is in Suspend mode (to reduce fan noise).
3 3.3V sense
O N 1 2
KY0034.VSD
1 3
PWR FAN
CPU Fan
1
3