5
Probe Alignment Instructions - Alignment Tool 3LA702/Alignment Toolkit 3LA700 93
Sample Probe Replacement 3D3700 ............................................................................................ 98
Cryoscope Sample Probe Versions FAQ .................................................................................... 100
Stir/Freeze Coil Replacement 3D2404R
.....................................................................................102
Stir/Freeze Wire Replacement 3LH243/4LH243
.................................................................... 104
PCB520 Transistor Replacement Instruction 35010 to PCB520R Substitution ..........105
PCB522 Transistor Replacement Instruction 35050 to PCB522R Substitution ......... 108
Tube Ejector Spring Replacement 3D3312R/4D3312 ...............................................................111
Yoke Replacement 3LH230R
............................................................................................................112
Upgrade Kit - 3250/4250 Suffix D to E
........................................................................................113
Chapter 7 Schematics............................................................................ 119
PCB402 Assembly Drawing Rev0 ..................................................................................................119
PCB402 Assembly Drawing Rev1 ...................................................................................................120
PCB402 Printer Interface Board Schematic Rev0
...................................................................121
PCB402 Printer Interface PCB402 Schematic Rev1
...............................................................122
PCB523 Assembly Drawing Rev0 .................................................................................................. 123
PCB523 Assembly Drawing Rev4 ..................................................................................................124
PCB523 Driver Board Schematic Rev0 ........................................................................................125
PCB523 Schematic Rev2 ...................................................................................................................126
PCB605 Assembly Drawing Rev 11 ................................................................................................ 127
PCB605 Application Board Schematic Rev2 ............................................................................128
PCB605 Schematic Rev5 ...................................................................................................................129
PCB620 Assembly Drawing .............................................................................................................130
PCB620 Processor Board Schematic Rev4 ................................................................................131
210102 Assembly Drawing Rev1 ...................................................................................................... 132
210102 Schematic Rev1 ....................................................................................................................... 133
3D3380 Assembly Drawing Rev5 ..................................................................................................134
3D3380 Assembly Drawing Rev9 ..................................................................................................135
3D3380 Schematic Rev4 ...................................................................................................................136
3D3380 Schematic Rev5 ................................................................................................................... 137
325000 Interconnection Schematic Rev4 for Serial Suffix A & B .................................... 138
325000 Interconnection Schematic Rev5 for Serial Suffix C ............................................. 139
325000 Interconnection Schematic Rev6 for Serial Suffix C ............................................ 140
325000 Interconnection Schematic Rev6 for Serial Suffix D..............................................141
325000 Interconnection Schematic Rev8 for Serial Suffix D .............................................142
325000 Interconnection Schematic Rev8 for Serial Suffix E .............................................143
325000 Interconnection Schematic Rev11 for Serial Suffix E ............................................. 143
Appendix A Model 3250 Specifications .......................................... 145
Serial Suffix A - C .................................................................................................................................145
Serial Suffix D and Higher. ................................................................................................................147
3250 Design Changes
.........................................................................................................................148
Appendix B Model 4250 Specifications .......................................... 149
Serial Suffix A - C .................................................................................................................................149
Serial Suffix D and Higher .................................................................................................................. 151
4250 Design Changes .........................................................................................................................152