Acer Aspire T180 Service Manual page 72

AUDIO1: Front Panel Audio Header
Pin Signal Name
1 PORT 1L
2 AUD_GND
3 PORT 1R
4 PRESENCE#
5 PORT 2R
6 SENSE1_RETURN
7 SENSE_SEND
8 KEY
9 PORT 2L
10 SENSE2_RETURN
IRDA: Infrared header
Pin Signal Name
1 VCC
2 No Pin
3 IRRX
4 Ground
5 IRTX
SPDIFO1 : SPDIF out header
Pin Signal Name
1 SPDIF
2 +5VA
3 Key
4 GND
SATA1~4: Serial ATA connectors
Pin Signal Name
1 Ground
2 TX+
3 TX-
4 Ground
1394A2: Onboard IEEE 1394a header
Pin Signal Name
1 TPA+
2 TPA-
3 GND
4 GND
5 TPB+
77
Function
Ground used by analog
audio circuits
No pin
Function
SPDIF digital output
5V analog Power
No pin
Ground
Pin Signal Name
5 RX-
6 RX+
7 Ground
Pin Signal Name
6 TPB-
7 Cable-Power
8 Cable-Power
9 Key pin
10 GND
Chapter 5