SERVICE MANUAL
Table 23 Functions and Service Data of TDA9859 (N606)’s Pins
Digital Multimeter
Pin
No.
Function Description
Reference Voltage (V)
Positive Resistance (K
Ω
)
Negative Resistance (K
Ω
)
1 Audio
input
4.14
7.62
5.85
2 Output
1
0
7.86
6.26
3 Audio
input
4.14
7.61
5.84
4
Reference voltage for filtering capacitor
8.18
7.46
5.94
5 Audio
input
4.14
7.62
5.83
6 Supply
voltage
8.26
1.62
1.62
7 Audio
output
4.15 7.41 5.98
8 Ground
0
0
0
9 Audio
output
4.15 7.36 5.79
10
Audio input 8
4.15
7.36
5.79
11
Channel 1 audio compensation 4.15
7.38 6.12
12
Channel 2 audio compensation 4.15
7.61 6.03
13
Audio output 8
0
∞
∞
14 Treble
compensation 4.15
7.48
6.24
15 Audio
output
4.13 6.78 5.66
16 Clock
line
4.33
7.02
5.25
17
Serial data line
4.53
6.98
5.21
18 Audio
output
4.13 6.78 5.65
19 Treble
compensation 4.14
7.48
6.24
20 Audio
output
0
∞
∞
21 Bass2
compensation
4.15
7.59
6.04
22 Bass1
compensation
4.15
7.37
6.12
23 Audio
input
4.15
7.34
5.77
24 Audio
output
4.15 7.34 5.77
25
Mode address selection
0
0
0
26 Audio
output
4.15 7.38 5.96
27 Audio
compensation 1
4.14
7.64
6.22
28 Audio
input
4.14
7.59
5.83
29 Audio
compensation 1
4.14
7.61
6.24
30 Audio
input
4.14
7.57
5.83
31 Output
2
0
7.84
6.24
32 Audio
input
4.14
7.57
5.83
Table 24 Functions and Service Data of TDQ-5B6M (A101)’s Pins
Digital Multimeter
Pin
No.
Function Description
Reference Voltage (V)
Positive Resistance (20K
Ω
)
Negative Resistance (20K
Ω
)
1 AGC
0.98
9.56
6.04
2 NC
26.73
∞
6.85
3 NC
0.61
9.79
7.39
4 SCL
4.89
9.58
5.13
5 SDA
4.88
9.58
5.12
6 VDD
5
2.2
2.2
7 NC
4.9
2.2
2.2
8 NC
0
0
0
9 BT
30.21
∞
13.07
10 NC
0
0
0
11 IF
0
∞
∞
45