SERVICE MANUAL
39
Table 1 2 Function and Service Data of TDA8356 (N401)’
s Pins
Digital Multimeter : Victor DT890D
Pin
No.
Symbol
Reference
Voltage (V)
Positive
Resistance
(K
Ω
)
Nerative
Resistance
(K
Ω
)
1
Idrive (pos)
2.4
27.7
20.3
2
Idrive (neg)
2.4
27.7
20.4.
3
VP
15.4
26.3
13.5
4
VO (B)
7.7
6.1
6.1
5
GND
0
0
0
6
VFB
45.0
113.3
13.7
7
VO (A)
7.5
6.1
6.1
8
VO(guard)
0.2
10.0
9.7.
9
VI(fb)
7.7
6.1
6.1
Table 13 Function and Service Data of HEF4053BP (N402)’
s Pins
Digital Multimeter : Victor DT890D
Pin
No.
Function description
Reference
Voltage (V)
Positive
Resistance
(K
Ω
)
Nerative
Resistanc e
(K
Ω
)
1
Signal input
3.0
22.2
47.0
2
Signal input
3.9
22.2
47.0.
3
Signal input
1.3
21.2
40.0
4
Signal output
2.5
0
0
5
Signal input
2.4
-
-
6
Ground
0
0
0
7
Ground
0
0
0
8
Ground
0
0
0.
9
Control signal input
0.03
13.5
13.1
10
Control signal input
0.03
13.5
13.1
11
Control signal input
0.03
13.5
13.1
12
Signal input
3.9
22.2
47.0
13
Signal output
0.7
22.2
47.0
14
Signal input
3.9
21.9
26.0
15
Audio output
3.9
21.9
26.0
16
Supply voltage
7.8
0
0
Содержание 21NF55
Страница 23: ...SERVICE MANUAL 21 Fig 8 Block Diagram for TDA935 6 8 PS N2 with QSS IF Sound Channel...
Страница 26: ...SERVICE MANUAL 24 Fig 9 Pin Configuration SDIP 64...
Страница 33: ...SERVICE MANUAL 31 4 Pin Connection Fig 19 5 Electrical Characteristics...
Страница 81: ...Circuit Diagram for 21NF55 21PF93...
Страница 82: ...MAIN PCB FOR 21NF55 21PF93...
Страница 83: ...CRT RGB PCB FOR 21NF55 21PF93...