Acer TM7100 Series Service Manual page 134

Table 2-10 T62.088.C Pin Descriptions
Pin Name Pin Type
ADVDD I
MIC_OUT O
AUDGND I/O
GND I/O
SGND I/O
CNTADJ
BRTADJ I
PANEL_ON I
BMCVCC I
PWRLED I/O
BATTLED I/O
DCIN I
CN3 connector signals
MIC_IN I
NC
AUDGND I/O
Pin No.
1 This is a 5-volt power line for the analog circuits and display
LEDs on the inverter board.
2 Microphone preamplifier circuit output
3 Microphone circuit return ground
4, 5 System ground
6 Signal ground
7 NC
8 Lamp current control pin (0~3V)
9 On/Off (On:1.8V(min), Off:0.8V(max))
10 This is a 5-volt for powering the LEDs.
11 Connect to D5 LED
12 Connect to D6 LED
13, 14, 15 DC (7~19V)
1 Microphone circuit input
2
3 Microphone circuit ground
Descriptions