Hitachi 902 - LOG AMP Board (707-5009)

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10 - 50

10.10 LOG AMP Board

(1) Explanation of Circuit Board

This circuit board consists of a multiplexer, output buffer and 12-channel circuit for LOG

conversion of photoelectric current from the detector.

(2) External View

(190)

(110)

Table of Contents

Service Manual1
Table of Contents2
Product Specifications3
Overall System4
Product Specifications4
Sampling System5
Reagent System6
Reaction System7
Photometric System8
ISE (Option)8
Deionised Water9
Installation Conditions9
User Interface9
Accuracy Control10
Analytical Methods10
Data Storage10
System Interface11
Options for Analyzer11
Troubleshooting12
- Alarm Code Table13
  - Calculation Items30
  - Buzzer Output for Small-Size Automatic Analyzer36
- LCD Display Alarm36
  - Output of Boot Error36
  - Output to Console36
  - Contents of Output37
  - Kinds of Console Message Output37
- Motor Control Alarms38
  - Operation Check Procedure at Occurrence of Alarm39
  - At Input of START Key in STANDBY Status41
- Parameter Check41
- Processing Flow41
- Details of Parameter Check42
- Details of Twin Test Simultaneous Analysis46
  - Data Alarm47
  - Data Alarm Registration Flow47
- Data Alarm Code List48
- Data Alarm Codes49
- Calibration Alarm61
- ISE Data Alarms61
- Registration of Data Alarm "Sample Short"63
- Alarm Check Method64
  - Duplication Check64
  - Photometry Assay Calibration Check64
  - SD Check of Approximate Expression64
  - Automatic Correction of Reaction Limit Level65
  - Reaction Limit Level Check65
  - Relationship between Alarm Name and Photometric Point65
  - Calibration Check66
  - Electrolyte Compensable Range Check66
  - Handling of Calibration Result with Comment66
  - STD Check66
  - Reaction Linearity Check67
  - Antigen Readdition Method68
  - Prozone Check68
  - Reaction Rate Ratio Method68
  - ISE Calibration Alarm Check70
  - ISE Data Alarm Check71
  - Calibration72
- Check and Set Alarm of each Data72
  - Routine Sample Measurement72
  - Calculation Error Factors73
- Details of Data and Alarm Outputs Resulting from Calibration73
  - Sample Error Factors73
  - List of Calibration Output Media75
  - Relationship between Alarm and Output in Calibration75
- Retry Code Table76
- Logging Program List77
  - Page Length78
  - Paper Feed78
  - Printing Performance78
  - Printout with no Blank Space78
  - Alarm Data79
- Daily Alarm Trace79
  - Details of Printout79
  - Retry Data79
  - Instrument Status Code Table80
- Cumulative Alarm Trace81
  - Printout System81
  - Alarm Trace Printout (CUMULATIVE)83
  - Alarm Trace Printout (DAILY)83
- Parameter Code List84
  - Contents of Printout85
  - Parameter Printout85
  - Program Check Printout85
- Communication Trace86
  - Printing Items and Their Contents86
  - Presence/Absence of Error Message and Printout System87
  - Control Codes and Corresponding Character Strings Printed88
  - Communication Trace Printout89
- Cumulative Instrument Operation List90
FD File Management91
Flow Path Diagrams92
- List of Solenoid Valves93
- Overall Piping Diagram94
- Flow Rate at each Location95
- Wash96
- Details of WASH Processing96
- Carry-Over Evasion Function98
- Method of Carry-Over Evasion98
- Condition for Carry-Over Evasion98
- Carry-Over Evasion-Specified Pattern98
- Examples of Evading Procedure99
- Measure for ISE99
- Specification from Screen99
- Probe Washing Cycle99
- Priority of Carry-Over Washing102
Block Diagrams103
- Model 902 Operating Principle104
- System Configuration of 902104
- Principle of 902105
- Measuring Principle105
- Operation of Mechanisms105
- Reaction Cuvette Rinsing and Water Blank Measurement105
- 2Nd and 3Rd Reagent Addition and Stirring106
- Rinsing106
- Analytical Flow107
- Flow of Analysis107
- Operating Position108
- Operating Position of each Mechanism Around the Reaction Disk108
- Block Wiring Diagram109
Ise110
- Functional Specifications of Model 902 ISE111
- ISE Principle112
- Outline of ISE Unit112
- Configuration of ISE Hardware115
  - ISE Hardware Configuration115
  - Internal Standard Solution Pipetting + Water + Stirring116
- ISE Measurement Sequence116
- ISE A/D Conversion118
- ISE A/D Conversion Timing118
- ADC Setting Parameters118
- ISE ADC Calibration Timing118
- Time Chart119
- Routine Plus ISE Time Chart120
- ISE Wash Time Chart131
Switch Setting134
- Short Pins on Mother Board135
- Setting of DIP Switch on ECPU237 Board135
- Setting of DIP Switches on EMOT200 Board135
- Sw2136
- Log Amp (P/N 707-5009)136
- Ise Amp (P/N 707-5023)136
- Setting of YD-702D-6539 Short Plugs137
- Setting of YD-702D-6037D Short Plugs138
- Function of each Short Plug139
- Explanation of Functions141
Explanation of Function142
- Routine Analysis Plus Wash143
- Timing Charts143
- Reset144
- Reset Time Chart144
- T/M Cell Blank Measurement145
  - Air Purge146
  - Probe Adjustment147
  - Operation148
  - Sample Probe Status Transition148
  - Reagent Probe Status Transition149
  - Operation (Photometry/Ise Measuremment Sequence)150
- Photometer Check152
- Incubator Water Exchange153
- Water Exchange153
- Measurement154
- ADC Timing155
- Configuration of Photometry ADC Hardware156
- Configuration of Temperature ADC Hardware157
- Temperature Measurement Data Flow158
  - Incubator Temperature (Pt Feeler)159
  - MPX Data159
  - Temperature Calculation Formula159
  - Temperature Measurement Sequence159
  - Alarm Specifications160
  - Outline of Function161
- Status Transition (Routine/Easy Analysis)162
- Calculation of Measurement End Time (Bath Processing)166
  - Control Sample/Calibration Sample166
  - Routine Sample166
- Scheduling When Sample Is Insufficient166
  - Calculation Equation167
  - Difference from Actual Analysis Time167
- Initialize Status168
- Instrument Status168
- POWER up Processing168
- Reset Status169
- Standby Status170
- Operation (Reaction Disk)171
  - Explanation of Photometric Point172
  - Operation (Photometry Assay)172
  - Definition of Control Variable173
  - Operatiton (Sample Disk)173
  - Rotation Control System173
  - Discharge of Cell Blank Water174
  - Operation (Cell Rinse Mechanism)174
  - Rinse Tip Wash174
  - Status Transition for Cell Rinse174
  - Details of Reset176
- Maintenance Functions176
  - R. Probe Mechanism177
  - Rinse Mechanism177
  - Sampling Mechanism177
  - Stirring Mechanism177
- Mechanism Check178
- Details of Mechanism Check179
- Incubator Water Exchange183
- Details of Incubator Water Exchange184
- Cell Blank185
- Photometer Check186
  - Precision Check187
  - Screen Configuration188
  - Screen Transition188
- Screen Transition Diagram189
Motors, Detectors and Fuses194
- Motor List195
- Detector List196
- Fuse List197
- Fuse Arrangement ( AC/CD)198
  - DC Fuses (on DRV Board)199
  - Motor and Detector Position200
- Sensor Logic201
Analytical Methods203
- Analytical Method Table204
- Examples of Reaction Time Course206
- Types of Calibration207
- Description of Model 902 Polygonal Line Calibration210
- Formula of Calibration Curve210
- Alarm Check211
- Concentration Calculation in Polygonal-Line Calibration211
- Photometry Assay Concentration Calculation212
- Calculation of K Factor212
- Calculation of S1ABS212
- Calculation of Sample Concentration213
- Dual-Wavelength Compensation214
- Supplementary Explanation214
- Cell Blank Compensation215
- Electrolyte Concentration Calculation216
- Calculation of SL (Slope Value)216
- Concentration Calculation of Internal Standard Solution216
- Calculation of Compensation Value (C.VALUE)216
- Circuit Diagrams218
Circuit Diagrams219
- Overall Wiring Diagram220
- ECPU237 Board (271-3724)221
- EMIO100 Board (271-3786)228
- MVSB100 Board (271-3789)235
- Vrt - 250 Mvsb100237
- DI Board (713-5000)242
  - Generation of ADC Timing Signal243
  - DI Circuit 27135200244
- DRV Board (713-5001)249
- ACDIST Board (BM, BMC)261
- RSDIST Board (713-5003)263
- LOG AMP Board (707-5009)268
- SENSOR Board (707-5041)272
- LED Board274
- LED Circuit Diagram274
- Cross Wiring Referenc275
Cross Wiring Reference276
Installation304
- Analyzer Unit Unpack Manual305
- 902 Layout and Installation Conditions307
- Items to be Prepared by Customer308
- Specifications of Deionized Water Supply Unit for Model 902309
- Analyzer Packed in Shipping Crate310
- Check for Quantity310
- Unpacking310
- Setting of Instrument311
- Wiring and Piping311
  - Adjustment of Water Level in Incubator312
  - Fixing of Instrument312
- Operation after Turning on Power312
- Preparation for Analysis312
- Adjustment and Check of each Part313
  - Adjustment of Reagent Probe and Stirring Rod313
  - Adjustment of Sample Probe Position313
  - Check of Rinse Mechanism314
  - Check of Rinse Water Volume314
  - Position of Nozzle of Rinse Mechanism314
  - Position of Reagent Probe and Stirring Rod314
- Operation for Completion and Others315
- Configuration316
  - Explanation of File (Name and Contents of File)316
  - Install Program316
  - Display of Installation Menu Screen317
  - Installation Instruction Screen317
- Procedure for Installation of Product Program317
  - Waiting for Selection of Installation Function317
  - Screen Information Transfer Screen318
  - System Menu Screen318
  - Waiting for Request to Initialize Flash Memory318
  - Display of Flash Memory Initialization319
  - Display of Installation Start319
  - Installation Display Screen319
- Check Items320
- Procedure for Installation of Screen Information (Initialization)321
- Procedure for Initial Setting of LCD Module322
- Screen Displayed in Case of Failure in Screen Information Transfer322
- Initial Screen322
- How to Display System Menu323
- Maintenance Mode Menu Screen323
- Memory Initialization324
- Memory Switch Setting 1324
- DIP SW Setting Status Display325
Maintenance and Inspection326
Adjustment Specifications328
- DC Power Supply Adjustment and Checks329
- Electrical Adjustments329
- LOG AMP Board Adjustment330
- SW1/SW2 Settings and Corresponding Trimmers330
- ADC Timing Adjustment331
- ADC Timing Waveform Specification331
- Reaction Bath Temperature Adjustment331
- Barcode Reader Switch Setting332
- Settings of each SW at Shipment332
- Barcode Reader Positioning333
- Barcode Settings333
- How to Remove Main Unit Top Cover336
  - LCD Touch Panel336
  - Replacement of Backlight on LCD Touch Panel336
- Sample Arm Unit336
- Reagent Arm Unit337
- Sample Disk337
- Stirring Mechanism337
- Reaction Bath338
- Reagent Disk (Cooling Unit)338
- DC Power Unit339
- Fdd339
- Rinse Mechanism339
- Probe Adjustment340
- Functions341
- Details of Probe Adjusting Process342
- Details of Operation342
- Extent of Operation342
- Explanation of Symbols in Operation Diagram342
- Adjustment of Cup Height for S.probe Descent343
- Probe Descent Position343
- Stroke Identification for Sample Container344
- Setting of Sample Containers at S.probe Adjustment344
- R.probe Rotation Adjustment345
- Stirring Rod Rotation Adjustment345
- Adjustment of R.probe Descent to Bottle Position346
- Oem347
- DC Power Supply348
Oem348
- 24 V DC Power Supply349
- 12 V Power Supply350
- Function351
- Reagent Refrigerator351
- Specifications of Cooling Unit351
- Specifications of Electrical Components351
  - Refrigerator Wiring Diagram352
  - Fdd (Yd-702D-6539D-021051)354
- Specifications354
  - Connector Pin Arrangement for DC Power Supply355
  - Connector Pin Arrangement for Interface355
- Electrical Specifications (FD Interface Signal)356
- F/D Interface Driver/Receiver356
- Configuration357
- Printer (FTP-020UCS530-#01A)357
- Specifications358
- Interface359
- Connectors360
- Power Connector360
- Barcode Reader (CCD System)361
- Name of each Part361
- Specifications361
- LCD Touch Panel362
- Specifications of Display Section362
- Specifications of Communication363
- Pin Arrangement364
- Connecting Procedure365
- Connector Pin Arrangement of NT20S365
System Interface366
- Overview368
- Frames369
  - Outline of Text369
  - BCC (Block Check Character)370
  - CKSH (Checksum High) and CKSL (Checksum Low)370
  - Communication Function List for Measurement Result Data371
  - Communication Function List for Test Selecting Information371
  - Communication Functions371
  - Frame List374
  - Frames374
- Data Transmission Control Procedure376
- Establishment of Data Link376
- Response to Information376
- Response to Information Message377
  - Response from Host378
  - Transfer of Communication Control Message378
  - Transfer of Test Selecting Information378
  - Difference in Transfer between SUS and REC Frames379
  - In Sending SUS Frame from Analyzer379
  - Transfer of Analytical Data380
  - Transmission Procedure in Normal Case380
  - Transmission Procedure in Special Case380
  - Resending Request381
  - Basic Control Procedure382
- Termination and Restart of Communication383
- Details of each Frame and Priority384
- Priority384
- RESULT ONLY Mode384
  - Reception Time-Out385
  - Retry Due to Time-Out385
- Retry of Communication385
  - Transmission Time-Out385
  - Status Transition386
- Status Transition Matrix (in Transfer of Analytical Data Alone)388
  - Status Transition Diagram390
  - Text Configuration Corresponding to Contents of each Frame391
- Text Configuration Table391
- Composition of each Text392
  - RES: Text of Analytical Data Request for Specific Sample392
  - Text for Non-Specific Request392
- Contents of Text393
  - SPE: Specification of Test Selection (from Host to Analyzer)393
  - Analytical Data Transfer (from Analyzer to Host)397
  - Text Size and Composition397
  - Transfer of Photometry-Assay Calibration Data (from Analyzer to Host)402
  - Data Composition403
  - SD Value Information (8 Characters)403
  - Transfer of ISE Calibration Data (from Analyzer to Host)403
  - Data Alarm for each Channel (1 Character)404
  - ISE (Electrolyte) Type (1 Character)404
  - ISE Calibration Data (72 Characters)404
  - Contents of Text405
  - Details of Function Character (Fu)405
  - Composition of Sample Information406
  - Details of Sample Information406
  - Sample Information406
  - Details of Request for each Channel407
  - Test Selecting Information407
  - Comment Information (from Host to Analyzer)408
- Error Check Function409
- Overview410
- Specifications of Communication Trace410
- Trace Data Storage Timing410
- Transfer of Analytical Data Alone410
- Hardware Specifications411
- Other411
- Overview411
- Resetting of Trace Data411
- Trace Data Storage Capacity411
- Current Loop412
- RSDIST PC Board412
- Signal Assignment413
- RS-232C Interface Signal Level and Meaning414
- Interface Signal414
- Meaning of Interface Signal414
- RS-232C Communication415
- Connector Position415
- Connecting Cable and Cable Length415
- 20 Ma Current Loop Interface Signal Level and Meaning415
- Example of Connection416
- Measure for FG416
- Example Connection for RS-232C Communication416
- Requirements for FG Cable416
- Signal Input Circuit417
- Communication Monitor417
- Cautions on Connection with External System420
- Operation Flow Diagram421
- Supplementation422
- Glossary422
- Communication Timing Chart424
- Composition of Message424
- Characteristics424
- Processing Flow Diagram of System Interface426
- ASCII Code Tables427
- 7-Bit Roman Character Code Set427

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