Sharp PN-465U - Page 55

PN-465U BLOCK DIAGRAM
4 – 5
CN3 AUDIO CONTROL
CN4 SPEAKER OUTPUT
[TEMPERATURE SENSOR PWB 1]
CN301
CN303
[TEMPERATURE SENSOR PWB 2]
CN202
[TEMPERATURE SENSOR PWB 3]
CN304
[OPTICAL SENSOR PWB ]
CN401
[SW PWB ]
CN501
Pin No. Symbol Function
1 --- 9V power
2 --- Audio amplifier control
3 ---
Audio amplifier error
4 --- Sound processor
control
5 ---
6 ---
GND
7 ---
8 ---
Sound processor
control
9 --- 2.5V power
10 --- GND
11 --- 3.3V power
12 --- GND
13 --- 5V power
14 --- 9.5V power
15 --- 9.5V power
Pin No. Symbol Function
1OUT L
+ Speaker output
2OUT L
−
3 OUT R +
4 OUT R −
Pin No. Symbol Function
1
+ 5V 5V power
2 SCL Temperature sensor
3SDA
4GNDGND
Pin No. Symbol Function
1 --- 5V power
2 --- Temperature sensor
3 ---
4 --- GND
5 --- NC
6 ---
Pin No. Symbol Function
1
+ 5V 5V power
2 SCL Temperature sensor
3SDA
4GNDGND
5NCNC
Pin No. Symbol Function
1
+ 5V 5V power
2 SCL Temperature sensor
3SDA
4GNDGND
Pin No. Symbol Function
1 --- Power
2 ---
3 --- GND
Pin No. Symbol Function
1 --- LED control
2 ---
3 --- SW input
4 ---
5 --- GND
6 --- Remote control
sensor signal
7 --- 3.3V power