Acer TM7300 Manual De Usuario

Table 2-9

T62.055.C Pin Descriptions

BATTLED

O

13

This signal is an open collector sink signal to drive LED2. The

LED current is limited by a series resistor of 1K

Ω

.

BMCVCC

O

14

This a 5 volt supply for powering the LEDs. It should not be used

for any other purpose.

ADVDD

O

18

This is a 5 volt power line for the analog circuits and display LEDs
on the inverter board.

AUDGND

GND

19, 20

This is the return ground for the microphone circuit. It should not
be connected to VGND or other circuit on the inverter board.

MIC_OUT

O

21

This is the output of the microphone preamplifier circuit.

N.C.

-

10, 11,
15, 16,
17

Non-connected.

MIC-CON

I

1

Microphone input

N.C.

-

2

Non-connected.

AUDGND

GND

3

This is the return ground for the microphone circuit. It should not

be connected to VGND or other circuit on the inverter board.

Figure 2-13

T62.088.C Pin Diagram

Table 2-10

T62.088.C Pin Descriptions

VOUT1

O

1

Lamp, HV

NC

2

VOUT2

O

3

Lamp, LV