4.2) Pin description
Symbol
OUT1−
GND1
V
CC1
OUT1+
n.c.
IN1+
n.c.
IN1−
IN2−
MODE
SVR
IN2+
n.c.
OUT2−
GND2
V
CC2
OUT2+
TDA8944J: Stereo power amplifier, Max output power: 2×7W
5) Refer to Table 14 about Functions and Data of the IC's Pins.
SERVICE MANUAL
Table 9: Pin description
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
Description
negative loudspeaker terminal 1
ground channel 1
supply voltage channel 1
positive loudspeaker terminal 1
not connected
positive input 1
not connected
Negative input 1
Negative input 2
Mode selection input (standby, mute, operating)
Half supply voltage decoupling (ripple rejection)
Positive input 2
Not connected
Negative loudspeaker terminal 2
Ground channel 2
Supply voltage channel 2
Positive loudspeaker terminal 2
31