Service manual

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 ∞ ∞
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