FIC a440 Manual Do Serviço

 

Pin Assignments

 

 
B-12 

FIC A440 Series Service Manual 

35 BEEP  36  SDATA_OUT 
37 GND  38 

GND 

39 +RTCBAT  40 

+12VS 

B.1

B.1

B.1

B.18

88

8    Audio Jack

Audio Jack

Audio Jack

Audio Jack    

The audio jack comprises of the headphone jack, line-out jack, and microphone jack: 

Headphone Jack 

The pin assignment of the headphone jack is as follows: 

1 GND 

Ground 

I 

2 

HP_L 

Headphone left sound 

O 

3 

HP_R 

Headphone right sound 

O 

4 

AMPCTRL 

Amplifier control signal 

I 

5 GNDP 

Pull-down 

signal 

O 

6 NC 

Not 

used 

- 

Line-In Jack 

The pin assignment of the line-in jack is as follows: 

1 GND 

Ground 

I 

2 

LINEINL 

Line in left sound 

O 

3 GND 

Ground 

I 

4 GND 

Ground 

I 

5 

LINEINR 

Line in right sound 

O 

Microphone Jack 

The pin assignment of the microphone jack is as follows: 

1 GND  Ground 

I 

2 

MICIN 

External Microphone input signal 

I 

3 

INTMIC 

Internal microphone signal 

O 

4 NC 

Not 

used 

- 

5 NC 

Not 

used 

- 

B

B

B

B.1

.1

.1

.19

99

9    Internal M

Internal M

Internal M

Internal Microphone

icrophone

icrophone

icrophone    C

C

C

Connector

onnector

onnector

onnector    

The pin assignment of the internal microphone is as follows: 
 

1 

MICIN 

External Microphone input signal 

 

2 GND 

Ground