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Table 6 Functions and Service Data of TDA8944J (N361)'s Pins
Pin
Functions Description
No.
1
Negative loudspeaker terminal 1
2
Ground channel 1
3
Supply voltage channel 1
4
Positive loudspeaker terminal 1
5
Not connected
6
Positive input 1
7
Not connected
8
Negative input 1
9
Negative input 2
Mode selection input (standby,
10
mute, operating)
Half supply voltage decoupling
11
(ripple rejection)
12
Positive input 2
13
Not connected
14
Negative loudspeaker terminal 2
15
Ground channel 2
16
Supply voltage channel 2
17
Positive loudspeaker terminal 2
Table 7 Functions and Service Data of TA1219AN (DS01)'s Pins
Pin
Function Description
No.
Get Select
1
Get Select
2
Lin TV
3
Rin TV
4
Vin TV
5
LinTV1
6
RinTV1
7
VinTV1
8
LinS1
9
Y/Vins1
10
RinS1
11
CinS1
12
LinS2
13
Y/VinS2
14
SERVICE MANUAL
Reference Voltage
(V)
7.98
0
14.9
7.3
0
7.3
0
7.4
7.3
0
7.6
7.3
0
7.3
0
14.8
7.3
Reference
Voltage(V)
Resistance(20K
6.54
3.69
5.12
5.11
5.13
5.12
5.12
5.13
5.12
5.09
5.1
0.00
5.08
5.13
26
Digital Multimeter
Positive Resistance
(20KΩ)
∞
0
5.8
∞
∞
∞
∞
∞
∞
7.8
∞
∞
∞
∞
0
3.5
∞
Digital Multimeter
Positive
Ω
)
7.88
7.99
7.49
7.55
7.52
7.63
7.63
7.52
7.64
7.5
7.64
0.00
7.64
7.62
Negative Resistance
(20KΩ)
∞
0
7.7
∞
∞
∞
∞
∞
∞
8.9
∞
∞
∞
∞
0
3.5
∞
Negative
Ω
Resistance(20 K
)
5.77
5.73
5.89
5.91
5.89
5.89
5.89
5.89
5.89
5.89
5.88
0.00
5.87
5.87
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