LG LX-D2640 Service Manual page 18

Pin NO. Symbol
4. NJM4580 IC610
1
2
3
4 VSS
5
6
7
8 VDD
5. NJM4580 IC608
1
2
3
4 VSS
5
6
7
8 VDD
6. NJM4580 IC608
1
2
3
4 VSS
5
6
7
8 VDD
7. NJM4580(IC607)
Pin NO. Symbol
1
2
3
4
5
6
7
8
8. TDA7448 IC602
1 Vs
2 IN1
3 IN3
4 IN5
5 OUT5
6 OUT3
7 OUT1
8 NC
9 SDA
10 SCL
11 GND
12 ADDR
13 NC
14 OUT2
15 OUT4
16 OUT6
17 IN6
18 IN4
19 IN2
20 CREF
Description
OUT A A_CH AMPOUTPUT
- IN A A_CH NF INPUT
+ IN A A_CH INPUT
GND GND
+ IN B B_CH INPUT
- IN B B_CH NF INPUT
OUT B B_CH AMPOUTPUT
VDD DC +12V
OUT A A_CH AMPOUTPUT
- IN A A_CH NF INPUT
+ IN A A_CH INPUT
GND GND
+ IN B B_CH INPUT
- IN B B_CH NF INPUT
OUT B B_CH AMPOUTPUT
VDD DC +12V
OUT A A_CH AMPOUTPUT
- IN A A_CH NF INPUT
+ IN A A_CH INPUT
GND GND
+ IN B B_CH INPUT
- IN B B_CH NF INPUT
OUT B B_CH AMPOUTPUT
VDD DC +12V
Description
OUT A A_CH AMPOUTPUT
- IN A A_CH NF INPUT
+ IN A A_CH INPUT
GND GND
+ IN B B_CH INPUT
- IN B B_CH NF INPUT
OUT B B_CH AMPOUTPUT
VDD DC +12V
Supply Voltage
FRONT_R signal input PORT.
REAR_R signal input PORT.
WOORER signal input PORT.
SUB_WOORER signal output PORT
CENTR signal output PORT
FRONT_R signal output PORT
- -
VOL_SDA DATA signal input PORT.
VOL_SCL CLOCK signal input PORT.
GND GND
- -
- -
FRONT_L signal output PORT
REAR_L signal output PORT
CENTER signal output PORT
CENTER signal input PORT.
REAR_L signal input PORT.
FRONT_L signal input PORT.
Repple Rejection Capacitor CONNECTED PORT.
- 2-11 -
(V) Remarks
0
0
0
-12
0
0
0
12
0
0
0
-12.7
0
0
0
12
0
0
0
-12.7
0
0
0
12
(V) Remarks
0 O
0 I
0 I
-7.38 -
0 I
0 I
0 O
11.5 -
9
4.5
4.5
4.5
4.5
4.5
4.5
0
0
0
0
0
0
4.5
4.5
4.5
4.5
4.5
4.5
4.5