Page 44
Series 90 Setup Manual
APPENDIX A - SCANNER RESISTOR BANK
A bank of resistors is used to test the scanner board and scanner control board. The resistors can
be soldered directly to a mating connector, or optional calibration boards may be used. The low-
voltage testers use thirteen resistors and the high-voltage testers use fourteen. The values and
corresponding connector locations are shown below.
R1 - 3.32
Ω
R2 - 39.2
Ω
R3 - 82.5
Ω
R4 - 392
Ω
R5 - 1k
Ω
R6 - 3.92k
Ω
R7 - 12.1k
Ω
R8 - 43.2k
Ω
R9 - 121k
Ω
R10 - 267k
Ω
R11 - 475k
Ω
R12 - 825k
Ω
R13 - 3.32M
Ω
1
5
9
13
17
21
25
29
33
37
41
45
49
53
64
R1 - 3.32
Ω
R2 - 39.2
Ω
R3 - 82.5
Ω
R4 - 392
Ω
R5 - 1k
Ω
R6 - 3.92k
Ω
R7 - 12.1k
Ω
R8 - 43.2k
Ω
R9 - 121k
Ω
R10 - 267k
Ω
R11 - 475k
Ω
R12 - 825k
Ω
R13 - 3.32M
Ω
R14 - 100M
Ω
1
5
9
13
17
21
25
29
1
5
9
13
17
21
25
32
J1
J2
Low-voltage Resistor Bank
High -voltage Resistor Bank
Note:
The 100 M
Ω
resistor, R14, must be rated at 1500 vdc or higher.
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