Function And Service Data Of Tda8356 (N401)’ S Pins; Function And Service Data Of Hef4053Bp (N402)’ S Pins - Changhong Electric 21NF55 Service Manual

Table 1 2 Function and Service Data of TDA8356 (N401)' s Pins
Pin
Symbol
No.
Idrive (pos)
1
Idrive (neg)
2
VP
3
VO (B)
4
5 GND
VFB
6
VO (A)
7
VO(guard)
8
VI(fb)
9
Table 13 Function and Service Data of HEF4053BP (N402)' s Pins
Pin Function description
No.
1 Signal input
2 Signal input
3 Signal input
4 Signal output
5 Signal input
6 Ground
7 Ground
8 Ground
9 Control signal input
10 Control signal input
11 Control signal input
12 Signal input
13 Signal output
14 Signal input
15 Audio output
16 Supply voltage
SERVICE MANUAL
Digital Multimeter : Victor DT890D
Reference
Voltage (V)
2.4
2.4
15.4
7.7
0
45.0
7.5
0.2
7.7
Digital Multimeter : Victor DT890D
Reference
Voltage (V)
3.0
3.9
1.3
2.5
2.4
0
0
0
0.03
0.03
0.03
3.9
0.7
3.9
3.9
7.8
39
Positive Nerative
Resistance Resistance
(KΩ) (KΩ)
27.7 20.3
27.7 20.4.
26.3 13.5
6.1 6.1
0
113.3 13.7
6.1 6.1
10.0 9.7.
6.1 6.1
Positive Nerative
Resistance Resistance
(K Ω ) (K Ω )
22.2 47.0
22.2 47.0.
21.2 40.0
0
-
0
0
0
13.5 13.1
13.5 13.1
13.5 13.1
22.2 47.0
22.2 47.0
21.9 26.0
21.9 26.0
0
0
0
-
0
0
0.
0