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Page 44
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 - 3.32Ω
R2 - 39.2Ω
R3 - 82.5Ω
R4 - 392Ω
R5 - 1kΩ
R6 - 3.92kΩ
R7 - 12.1kΩ
R8 - 43.2kΩ
R9 - 121kΩ
R10 - 267kΩ
R11 - 475kΩ
R12 - 825kΩ
R13 - 3.32MΩ
Low-voltage Resistor Bank
The 100 M
1
5
9
13
17
21
25
29
33
37
41
45
49
53
64
Note:
Ω
resistor, R14, must be rated at 1500 vdc or higher.
Series 90 Setup Manual
1
R1 - 3.32Ω
5
R2 - 39.2Ω
9
R3 - 82.5Ω
13
R4 - 392Ω
17
R5 - 1kΩ
21
R6 - 3.92kΩ
25
R7 - 12.1kΩ
29
R8 - 43.2kΩ
1
R9 - 121kΩ
5
R10 - 267kΩ
9
R11 - 475kΩ
13
R12 - 825kΩ
17
R13 - 3.32MΩ
21
R14 - 100MΩ
25
32
High -voltage Resistor Bank
J1
J2
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