SERVICE MANUAL
Table 23 Functions and Service Data of AT24C08/16 Pins
Digital Multimeter
Pin No.
Function Description
Reference Voltage
(V)
Positive Resistance
(20K
Ω
)
Negative Resistance
(20K
Ω
)
1 Address
input
0
0.001
0.00
2 Address
input
0
0.001
0.00
3 Address
input
0
0.001
0.00
4 Common
ground
0
0.001
0.00
5 Clock
line
5
7
4.83
6 Data
line
4.99
6.9
5.15
7
PW write protect
4.99
9.5
5.31
8 Supply
voltage
5
3.5
3.25
(Continued)
Table 24 Functions and Service Data of HEF4053BP’s Pins
Digital Multimeter
Pin No.
Function Description
Reference Voltage
(V)
Positive Resistance
(20K
Ω
)
Negative
Resistance
(20K
Ω
)
1.
Signal input terminal
0.01
6.9
6.32
2.
Signal input terminal
2.47
6.7
5.89
3.
Signal input terminal
0.21
6.9
6.4
4.
Signal output terminal
2.59
6.7
5.83
5.
Signal input terminal
2.58
6.7
5.91
6. Ground
0
0.001
0.00
7. Ground
0
0.001
0.00
8. Ground
0
0.001
0.00
9.
Control signal input terminal
0.15
5.7
4.93
10.
Control signal input terminal
0.15
5.7
4.93
11.
Control signal input terminal
0.15
5.7
4.93
12.
Signal input terminal
2.5
6.5
5.9
13.
Signal output terminal
0
6.7
6.38
14.
Signal input terminal
2.49
6.5
5.9
15. Audio output
2.45
6.5
5.94
16. Supply voltage
8.2
1.2 1.57
49
Содержание 21BM91
Страница 24: ...SERVICE MANUAL 3 Block Diagram for TMPA8801 Fig 8 22...
Страница 25: ...SERVICE MANUAL 4 Block Diagram for TMPA8807 Fig 9 23...
Страница 55: ...PRINTED CIRCUIT BOARD LAYOUT 1...
Страница 56: ...PRINTED CIRCUIT BOARD LOYOUTS 2...