SERVICE MANUAL
Table 16 Functions and Service Data of TDA8350Q-N6 (N401)’s Pins
Digital Multimeter
Pin
No.
Function Description
Reference Voltage (V)
Positive Resistance (20K
Ω
)
Negative Resistance (20K
Ω
)
1
Vertical drive input (positive)
2.33 8.82 5.8
2
Vertical drive input (negative) 2.28 8.83 5.83
3
Feedback
input
8.52 5.74 4.71
4
Supply voltage
17.23
7.92
4.2
5
Output 1
8.5
5.83
4.71
6
Not connected
0.00
∞
∞
7
Ground
0.00 0.00 0.00
8
Pump supply voltage input
49.31
∞
∞
9
Output
2
0.00 5.87 4.7
10
Guard output
0.2 8.64 5.88
11
Pincushion output 0.07 9.79 5.24
12
Pincushion input (negative)
2.43
∞
6.97
13
Pincushion input (positive) 2.91
∞
6.88
Table 17 Functions and Service Data of TDA7057AQ (N601)’s Pins
Digital Multimeter
Pin
No.
Function Description
Reference Voltage (V)
Positive Resistance (20K
Ω
)
Negative Resistance (20K
Ω
)
1
Volume control input
0.95
6.85
6.15
2
Not connected
0.00
∞
∞
3
Audio R signal input
2.38
12.59
6.51
4
Supply voltage
17.48
0.47
0.47
5
Audio L signal input
2.37
12.5
6.51
6
Ground 0.00
0.00
0.00
7
Volume control input
0.95
6.85
0.15
8
Left channel in-phase signal output
8016
6.46
5.59
9
Ground 0.00
0.00
0.00
10
Left channel inverting signal output
8.25
6.46
5.59
11
Right channel inverting signal output
8.24
6.46
5.59
12
Ground 0.00
0.00
0.00
13
Right channel in-phase signal output
8.13
6.46
5.59
42
