Akai LTA-26C904 Service Manual page 22

● High integration
● Standby and mute mode
● No switch switching noise
● 12V Power filtering
● Low working current
● Output current short-circuit grounding protection
● Overheat protection
● Linear output to drive external earphone, PC and portable audio equipment
Pin introduction:
Pin Designation
1 OUT1
2 GND1
3 VCC1
4 OUT1
5 N.C.
6 IN1
7 N.C.
8 IN1
9 IN2
10 MODE
11 SVR
12 IN2
13 N.C.
14 OUT2
15 GND2
16 VCC2
17 OUT2+
TDA8944J internal block diagram:
Function description
Loudspeaker negative pole output terminal 1
Ground
+12V Power
Loudspeaker positive output terminal 1
No connection
Positive pole input terminal 1
No connection
Negative pole input 1
Negative pole input 2
Operation mode selection (standby, mute, work)
Voltage decoupling filtering (grounding)
Positive pole input terminal 2
No connection
Loudspeaker negative output terminal 2
Ground
+12V Power
Loudspeaker positive output terminal 2
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