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Rev. C
Electronic System Overview 89
Control Heater DAC, Driver Circuitry, and Valve Driver Circuitry
This section Main board contains IC U25, which is an AD7247 dual DAC.
This IC takes digital data from the 68332 and creates two analog voltages
with a resolution of 12 bits. These heater voltages are sent to operational
amplifier U54, which multiplies the voltage by four and drives power
transistors Q4 and Q3.
Section A of DAC IC is for the block heater and section B is for the
preheater. These signals leave the Main board on connector J7 and are
sent to the heater resistance pads on the measurement block assembly.
Thermistor R229 is mounted near the power transistor heatsinks and
monitors for failures such as air flow restrictions). When R229 detects a
failure, it notifies the DAS section.
This section Main board also contains IC U28, which takes digital latched
signals from RTP CPLD U38 and forms the proper sequencing signals to
drive the luer position motor located in the equipment wall module. These
driver signals exit the Main board through J3.
Power System Status Circuitry, Diagnostic LEDs, and Switches
This section Main board contains the MC34161 power supply monitors:
ICs U39, U40, and U43. These ICs are voltage window comparators, which
verify if the ±12 and +24 V power supplies are within the rated tolerance.
The 68332 reads signals ±12 V_STS and +24 V_STS from the RTP data
bus through transparent latch U12.
This section Main board also contains IC U44, which is a dual comparator
that checks the motor power supply. U44 ensures that motors are
operational by measuring the voltage drop across resistors R188. The
68332 reads signals MOTOR_STS from the RTP data bus through
transparent latch U38.
This section Main board has eight diagnostic light-emitting diodes (LEDs),
CR2 to CR9, that are latched by U59 onto the RTP data bus. There is also
an eight position dip switch, SW1, which is read by the RTP data bus
through transparent latch U50.
Содержание RapidPoint 400 Series
Страница 1: ...Service Manual 105953 Rev C 2003 02...
Страница 29: ...Rev C Mechanical Descriptions 29 Rapidpoint 400 Series System left side 1 Diskette drive...
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Страница 116: ...116 Rev C Rapidpoint 400 Series Systems Menu Map...
Страница 117: ...Rev C System Diagrams and Cable Drawings 117 Fluidic Diagrams...
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Страница 128: ...128 Rev C Rapidpoint 400 Series Systems Electronic Block Text Diagram...
Страница 129: ...Rev C System Diagrams and Cable Drawings 129 Rapidpoint 400 Series Systems Cable Interconnect Diagram...
Страница 130: ...130 Rev C Cable Drawings A C Power Harness Assembly 570250 Cable Harness Outboard Assembly 113509...
Страница 131: ...Rev C System Diagrams and Cable Drawings 131 D C Power Harness Assembly 113836...
Страница 132: ...132 Rev C Diskette Drive Cable Assembly 570255 Diskette Power Harness 570254...
Страница 133: ...Rev C System Diagrams and Cable Drawings 133 Hard Drive Cable Assembly 570257 Inboard 1 Harness 113770...
Страница 134: ...134 Rev C Inboard 2 Harness 113523 LCD Backlight Cable Assembly 108771...
Страница 135: ...Rev C System Diagrams and Cable Drawings 135 Preamp Module Cable Assembly 570269...
Страница 136: ...136 Rev C UIP Display Cable Assembly 570263 UIP LPT1 COM2 Cable Assembly 570267...
Страница 137: ...Rev C System Diagrams and Cable Drawings 137 UIP Utility Cable Assembly 570268 UIP COM1 Inboard Cable Assembly 570272...
Страница 138: ...138 Rev C Flex Circuit Display 570516 100 Pin Cable Assembly 111326 Patch Cord Cable 122254...
Страница 139: ...Rev C System Diagrams and Cable Drawings 139 Fiber Bundle Assembly 1315271...
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Страница 262: ...262 Rev C Handle Pawl...
Страница 263: ...Rev C Illustrated Parts Lists 263 Wash Waste Switch Rubber Feet...
Страница 264: ...264 Rev C Display Display Bracket...
Страница 267: ...Rev C Illustrated Parts Lists 267 Front Door Door Hook...
Страница 268: ...268 Rev C Cartridge Interface Assembly Front Door Switch...
Страница 269: ...Rev C Illustrated Parts Lists 269 ESD Ground Strap Polychromator Module 1 CO ox polychromator module...
Страница 270: ...270 Rev C Diskette Drive Diskette Drive Side 1 Diskette drive cable 2 Diskette drive fascia 3 Diskette drive...
Страница 271: ...Rev C Illustrated Parts Lists 271 Diskette Drive Diskette Drive Cable Shield...
Страница 273: ...Rev C Illustrated Parts Lists 273 Connector UIP PCB UIP PCB with Cables...
Страница 274: ...274 Rev C Main PCB Main PCB Attached to Frame...
Страница 275: ...Rev C Illustrated Parts Lists 275 AQC Frame Assembly AQC Frame Assembly 1 AQC frame assembly 2 Main Interconnect board...
Страница 276: ...276 Rev C AQC Latch Assembly Front View AQC Latch Assembly Rear View 1 AQC latch assembly...
Страница 277: ...Rev C Illustrated Parts Lists 277 Cover...
Страница 282: ...282 Rev C Pump Housing Peri pump Motor and Mount...
Страница 283: ...Rev C Illustrated Parts Lists 283 Peri pumps Spring Plate...
Страница 284: ...284 Rev C Connector Block Cartridge Handle...
Страница 285: ...Rev C Illustrated Parts Lists 285 Preamp Cable Cover...
Страница 289: ...Rev C Illustrated Parts Lists 289 Power Module Frame Power Entry with Switch...
Страница 290: ...290 Rev C Rear Interconnect Board Fan...
Страница 291: ...Rev C Illustrated Parts Lists 291 Power Supply Patch Cord with Ferrite Filter...
Страница 292: ...292 Rev C Hard Drive...
Страница 294: ...294 Rev C CO ox Module Components Illustrations Sample Chamber Interface Assembly RSL Part 131530...
Страница 296: ...296 Rev C Neon Board Assembly Part Number 131526...
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Страница 351: ...Rev C Replacing Components 351 a Remove the four thread forming screws from the motor mount...
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Страница 381: ...Rev C Spare Parts 381 Spare Parts Spare Parts Listing 383...
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