Maintenance and Troubleshooting | 6-29
When changing jumpers, one must be present in one of the six posi-
tions at all times.
Figure 6-10.
Optical Bench board
P300/P301 jumper
position vs PMT balance.
Jumper Positions
P300
P301
1
2
3
4
5
6
Higher PMT
Balance
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Lower PMT
Balance
X
X
X
X
NOTE
Summary of Contents for 931S
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Page 237: ...Maintenance and Troubleshooting 6 53 Figure 6 14 AC Distribution board P N 100 1771...
Page 238: ...6 54 Model 931S Model 932S UV Analyzers Figure 6 15 Host Controller board P N 100 1757 SW100...
Page 239: ...Maintenance and Troubleshooting 6 55 Figure 6 16 Microcontroller board P N 100 1781 SW400...
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Page 263: ...Appendix A Drawings A 7 RS 232 Cable Communications Connections 300 9480...
Page 264: ...A 8 Model 931S Model 932S UV Analyzers Optical Bench Board 100 1662...
Page 265: ...Appendix A Drawings A 9 PMT Buffer Board 100 0140...
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