Shimadzu ATX224 Service Manual
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Shimadzu ATX224 Service Manual

Atx series; aty series electronic analytical balance
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Document No.
321-78009A
Electronic Analytical Balance
ATX / ATY Series
Service Manual

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Summary of Contents for Shimadzu ATX224

  • Page 1 Document No. 321-78009A Electronic Analytical Balance ATX / ATY Series Service Manual...

  • Page 2: Table Of Contents

    Table of Contents Operations for Adjustment ............................. 1 1.1. Entering the Service Mode ............................. 1 1.2. Contents of Service Menu ............................2 1.3. Service Mode Functions ............................3 Disassembling and Assembling the Balance ......................5 2.1. Precautions................................5 2.2. Inspecting the Balance Interior (Removing the Case and Pan Supporter) ........... 6 2.3.
  • Page 3 5.5. Linearity Adjustment ............................26 5.6. Internal Weight Calibration (PCAL) (ATX Only) ....................27 5.6.1. Operation Procedure and Process ........................... 27 5.7. Sensitivity Calibration ............................28 5.7.1. External Weight Calibration ECAL ............................ 28 5.7.2. Sensitivity Calibration Using Internal Weight (ATX Only) ....................29 5.8.
  • Page 4 11. Components List ................................55 11.1. ATX/ATY Series Exploded View ........................55 11.2. ATX/ATY Series Maintenance Parts ......................60 11.3. ATX/ATY Series Dedicated Jigs ........................62...

  • Page 5: Operations For Adjustment

    1. Operations for Adjustment For the general operations method, see the User's Manual for the ATX Series. 1.1. Entering the Service Mode Move from user mode to service mode as follows. (1) In the user mode mass display state, keep pressing [POWER] and [PRINT] keys. (2) Release the keys.

  • Page 6: Contents Of Service Menu

    1.2. Contents of Service Menu The service mode configuration (menu configuration diagram) is shown below. After the execution of the items marked with an asterisk mark, the mode returns to the mass display state. (Maintenance Mode) * Marking mean going buck to Measure Mode [Normal Range (guideline)] ＡＤ...

  • Page 7: Service Mode Functions

    Items in the figure framed in thick lines denote execution items, while those framed in thin lines denote menu items. Shaded items are not displayed when the setting information lock is on. Use the arrow keys to move between items. Explanation →...
  • Page 8 Function Outline Model selection Selection of the model name automatically sets the basic information for weighing capacity, minimum display, and reference mass for adjustment. Shipping Unit for Japan settings SI unit Set the units users can use, depending on shipping Overseas unit destination.

  • Page 9: Disassembling And Assembling The Balance

    2. Disassembling and Assembling the Balance 2.1. Precautions 1) Pull the connector straight out when disconnecting. Never pull it out at a bent angle. * Pulling out at a bent angle could bend the terminal pins, making it difficult to re-insert the connector.

  • Page 10: Inspecting The Balance Interior (Removing The Case And Pan Supporter)

    2.2. Inspecting the Balance Interior (Removing the Case and Pan Supporter) [Disassembly] 1) Extract the AC adapter and remove the pan (6), pan supporter ASSY (4), and wind shield ring (7). 2) Remove the screws on the back surface of the balance (truss M3 × 5 (4 screws)), and remove the rear cover (13).
  • Page 11 inspected while in this position. [Assembly] 1) With the unit cover (B5) as the base, use screw P4 M4 × 8 (7 screws) to tighten. * With the unit cover (B5) rear screw as the base, align with the center of the pan supporter axis and the 15.5-dia.

  • Page 12: Replacing Components

    7) Set the pan (6), pan supporter ASSY (4), and wind shield ring (7). 8) Perform horizontal adjustment, and connect the AC adaptor. 2.3. Replacing Components 2.3.1. Replacing the Front Glass ASSY (C8) 1) Extract the AC adaptor, and remove the pan (6), pan supporter ASSY (4), and wind shield ring (7). 2) Remove the inside knob (C10), and remove the roof glass ASSY (C5) and side glass ASSY (C6, C7).

  • Page 13: Replacing The Side Glass Assy (C6, C7)

    2.3.2. Replacing the Side Glass ASSY (C6, C7) 1) Extract the AC adaptor, and remove the inside knob (C10). 2) Remove the side glass ASSY (C6, C7). 3) Insert the new side glass ASSY (C6, C7), and mount the knob (C10). 4) Open the side glass ASSY (C6, C7), and coat lubricant (OT1) on the upper and lower glass edges (5 cm from the edge).

  • Page 14: Replacing The Power Board Assy (B4)

    2.3.5. Replacing the Power Board ASSY (B4) 1) Use the procedures in "2.2 Inspecting the Balance Interior" to remove as far as the case ASSY (3). 2) Remove the connector inserted into the power board ASSY (B4). (1 location) 3) Loosen the bolt P3 M3 × 8 (4 bolts) fixing the power board ASSY (B4) in place, and remove the power board ASSY (B4).

  • Page 15: Replacing The Weight Loader Assy (27)

    5) Loosen the clamp, E-20-3C (B10) mounted to the base unit ASSY (2), and remove the wire. Clamp Fig. 2-20 6) Loosen the screw P4 M4 × 8 and flat washer M4 (2 locations) fixing the mount, analog board (B11) in place, and remove the mount, analog board (B11).

  • Page 16: Replacing The Unit Assy (1)

    2.3.8. Replacing the Unit ASSY (1) 1) Use the procedures in "2.2 Inspecting the Balance Interior" to remove as far as the unit cover (B5). 2) Loosen the screw P4 M4 × 8 (2 screws) and flat washer M5 (2 locations), remove the weight stopper (W3), and remove the weight.

  • Page 17: Replacing The Detector Assy (U11)

    2.3.9. Replacing the Detector ASSY (U11) 1) Insert the lever fixing pin (J1) into the lever fixing hole on the top of the OPF. * Lift up on the lever ASSY (U7) to insert the pin. Proceed carefully to avoid scratching the elastic support.
  • Page 18 7) Remove the socket head bolt M3 × 40 (2 bolts) fixing the lever ASSY (U7) in place, spring washer M3 (2 locations), flat washer M3 (4 locations), and nut M3 (2 locations), and remove the lever ASSY (U7) from the top surface.
  • Page 19 13) Examine the unit from the top, align the center of the magnet ASSY (U9) and of the force coil ASSY (L1), and then tighten the force coil ASSY (L1). Align the center. Fig. 2-31 14) Slide the four magnet lids (U16) horizontally to mount, and use the pan head screw M2.5 × 5 (4 screws) to tighten.

  • Page 20: Replacing The Stopper Plate (U14)

    22) Use the procedures in "2.2 Inspecting the Balance Interior" in reverse to restore the original state. 2.3.11. Replacing the Stopper Plate (U14) 1) Use the procedures in "2.2 Inspecting the Balance Interior" to remove as far as the unit cover (B5). 2) Loosen the pan head screw M3 ×...

  • Page 21: Checking The Electronic Board

    3. Checking the Electronic Board The ATX Series boards and their signal allocations are summarized below. Numbers in parenthesis ((1), (2), (3), and so on) show pin numbers, and a checkmark () indicates a point that needs checking, if possible. 3.1.

  • Page 22: Preamp Board Assy (B1)

    3.3. Preamp Board ASSY (B1) ASSY P/N 321-71085 (Detector ASSY 321-71279) Board P/N 321-71087 Displacement sensor signal amplification Standard power mounting Circuits Mounted Magnet temperature sensor signal amplification Displacement sensor signal output  CP 1 Allowable range of output voltage : +1.5v to +2V, -1.5v to -2V ...

  • Page 23: Hardware Adjustment

    4. Hardware Adjustment When replacing the following components, balance performance may be altered. After replacement, check the performance and make adjustments if necessary. Force Analog Display Weight Detector coil board board loader Cornerload Service Unit ASSY ASSY ASSY ASSY ASSY ASSY Version error...

  • Page 24: Adjusting The Tilt Error

    11) See 2.3.8 to restore the original state. 4.2. Adjusting the Tilt Error 1) Use the procedures in "2.3.7 Replacing the Weight Loader ASSY (27)" to remove as far as the weight (W4). 2) Extract the lever fixing pin (J1) from the unit ASSY (1) lever fixing hole, and set the pan supporter ASSY (4) and pan (6) in the unit ASSY (1) pan supporter axis.

  • Page 25: Adjusting The Balance

    4.3. Adjusting the Balance 1) Use the procedures in "2.3.7 Replacing the Weight Loader ASSY (27)" to remove as far as the weight (W4). 2) Extract the lever fixing pin (J1) from the unit ASSY (1) lever fixing hole, and set the pan supporter ASSY (4) and pan (6) in the unit ASSY (1) pan supporter axis.
  • Page 26 6) Place the weight successively in adjustment positions L and R, and record the respective display values. 7) Place the adjustment weight (200 g) at adjustment position B on the adjustment pan, and press the →O/T← key to display "0 g." 8) Place the weight successively in adjustment positions F and B, and record the respective display values.

  • Page 27: Software Adjustment

    5) When initialization is completed, return to the AD value display in the service menu. 5.2. Model Selection Select the Shimadzu standard model name. The operation procedure is as shown below. 1) In the service menu, press either the [MENU/↓] or [UNIT/↑] key, and then select [Model Selection] (TYPE).
  • Page 28 "." dot.) - If the OEM setting is set to ON, and the specified model name has not been input, a corresponding Shimadzu standard model name will be displayed. [Model Settings]...

  • Page 29: Releasing And Setting The Setting Information Lock

    5.3. Releasing and Setting the Setting Information Lock There will be cases where the setting information lock must be released due to calibration error, etc., to reselect the model and perform readjustment. In such cases, follow the procedure below to release and set the setting information lock. 5.3.1.

  • Page 30: Linearity Adjustment

    [Linearity Adjustment Reference Weights] The model and reference weight value are as shown in the table below. ATX224 ATX124, ATY124 ATY224 ATX84, ATY64 100g 150g 200g 120g 250g 150g Immediately after EEPROM initialization or model selection, values may differ from the table values above.

  • Page 31: Internal Weight Calibration (Pcal) (Atx Only)

    The reference weight used in PCAL is as shown below. If the weight value stipulated in step 3) is not flashing, enter the weight value as shown in the table below. Model Name CAL Value ATX224 200g ATX124 100g ATX84 5.6.1.

  • Page 32: Sensitivity Calibration

    Pressing the [BREAK] key returns to the AD value display. (5) If the "END" display appears without an error occurring, return to the AD value display. [Reference Weight Values] Reference Weight Model Name Value ATX224/ATY224 200g ATX124/ATY124 100g ATX84 ATY64...

  • Page 33: Sensitivity Calibration Using Internal Weight (Atx Only)

    5.7.2. Sensitivity Calibration Using Internal Weight (ATX Only) 5.7.2.1. Operation Procedure and Process 1) Press and hold down the [CAL] key for at least 3 seconds. 2) "I.CAL" is displayed. Press the [O/T] key. 3) Initial zero load weight check display If the pan load weight is detected at 10 % or more of the weight capacity, "BUSY"...
  • Page 34 7) Automatic sensitivity calibration step 4 Stop the weight loader system, and when stable, measure the zero point mass value. Calculate the sensitivity correction coefficient, and store in NVRAM again. 8) Automatic sensitivity calibration step 6 After several seconds display, it returns to the mass display (state before execution of automatic sensitivity calibration).

  • Page 35: Weight Loader Mechanism Operation Check

    5.8. Weight Loader Mechanism Operation Check The initial position returning of the ATX internal weight loader mechanism and the weight loader action are checked. ATY also has a function that enables adjustment and testing using an external weight loader system, which is also displayed as a menu item.

  • Page 36: Eeprom

    (1) In the service menu, select [NVRAM] → [PRINT (Print)]. (2) The model name, S/N, software version No., and the address inside EEPROM are displayed as the header, and then data is printed. [Print example] TYPE : ATX224 S/N : 0000000000 V NO : 1.00,00,00 0000 : 07AB...

  • Page 37: Data Edit (Edit) Operations

    6.2. Data Edit (EDIT) Operations (1) In the service menu, select [NVRAM] → [EDIT (Data edit)]. (2) Data with address in EEPROM are displayed as shown below. The flashing value can be changed. Flashing (3) Input the address of the data to be edited. The address data is displayed (in the right four digits). (4) Press the [MENU/Enter] key to confirm the address, and editing of that address data is enabled.

  • Page 38: All Initialization (Init) Operations

    6.5. All Initialization (INIT) Operations (1) In the service menu, select [NVRAM] → [INIT (All Initialize)]. (2) The execution confirmation display "OK?" appears. (3) Press the [MENU/Enter] key to execute. (4) The initialization progress indicator appears. (5) When initialization is completed, return to the AD value display in the service menu. 6.6.
  • Page 39 4) NVRAM editing menu Downloads EEPROM data Displays file name after saving Automatically assigns S/N from the balance to PC. data to PC or downloading and model name to the file data from PC. name to save to PC after editing.

  • Page 40: Updating The Program

    7. Updating the Program The ATX Series has a Flash memory microcomputer. You can use a special tool to easily update the program at customer site. 7.1. Programming Tools Programming is performed using the following tools. Name 774-49154 Flash Programmer SW-K0LX2 774-41751 Cable, Program Writer 7.2.
  • Page 41 In the Windows Start menu, select [StickWriter] → [StickWriter] to start up the application. The window shown below is displayed. Click the [Download] button (1).
  • Page 42 The window below is displayed. Select the program file (*.HEX) to download. Selecting the folder containing the program file displays that program file (*.HEX). Click the file name, and click [Open] to start downloading the program file to Flash programmer SW-K0LX2. When the download is completed, "HEX File Information Upload Completion"...
  • Page 43 The downloaded program file information is displayed in the "HEX File" area (3). Check the file name and file time stamp. Close the application. 10) Remove Flash programmer SW-K0LX2 from the PC.

  • Page 44: Preparing The Tool

    7.2.2. Preparing the Tool Procedure 1) Check that the Flash programmer SW-K0LX2 (774-49154) switches are set as shown in the figure below. (1) Output: 5 (2) Power: T 2) Connect the program writer cable (774-41751) to the accessory FP4 adaptor for the Flash programmer SW-K0LX2 (774-49154).

  • Page 45: Programming

    3) Connect the Flash programmer SW-K0LX2 (774-49154) to the cable prepared in step 1). To connector for display board program writer Cable P/N: 774-41751 Flash programmer FP4 adaptor SW-K0LX2 P/N: 774-49154 Accessory part for P/N: 774-49154 7.2.3. Programming Procedure 1) Power is switched off. 2) Insert the 6-prong connector of the tool prepared in section 7.2.2 into the connector for the display board program writer.
  • Page 46 4) Programming starts and the Status LED [P] flashes. (One blue LED flashes about 30 to 40 seconds during uploading.) Note: Switching off the power while the Status LED [P] is flashing could cause programs in display board CPU and programs in the Flash programmer SW-K0LX2 to disappear.

  • Page 47: Performance Inspection

    8. Performance Inspection Before starting the performance inspection, turn on the power and leave the balance in the mass display state for at least an hour. Also be sure that the location is not subject to wind, vibrations, or sudden temperature changes. 8.1.
  • Page 48 Table 1 Inspection Criteria ATX224 ATX124 Model ATX84 ATY64 ATY224 ATY124 Weighing capacity (g) Minimum display (mg) Reproducibility Standard (Rx, Ry) (mg) Weight (g) Cornerload Standard ±1 ±0.5 ±0.5 ±0.5 error (mg) Weight (g) Weight error Standard (mg) Weight (g) When replacing parts, balance performance may be altered.

  • Page 49: Problems And Solutions

    9. Problems and Solutions 9.1. General Problem Solutions Problem Cause Solution Nothing appears on the display. 1) Power voltage not compatible Check the power supply, and connect correctly. 2) Problem with supply voltage or Replace the AC adaptor. AC adaptor 3) Power board ASSY (B4) fault Replace the power board ASSY (B4).

  • Page 50: Error Display

    Problem Cause Solution Large linearity error 1) Linearity adjustment fault Readjust linearity. If over 10 d, replace the unit. 2) Damage to OPF (U1) Replace the unit ASSY (1). 3) Load cell breakdown Replace the load cell ASSY. "ERR H" is displayed. - StickWriter used to write a Restart the power.

  • Page 51: Service Mode Errors

    9.2.2. Service Mode Errors When entering service mode, detailed error codes are displayed for the errors generated in user mode, as shown in the table below. In this state, press the [→] key to display a history of the most recent errors, up to a maximum of five errors. When more than five errors are displayed, press the [→] key to return to the display of the most recent errors.

  • Page 52: Troubleshooting

    10. Troubleshooting 10.1. Display Won't Appear Display won't appear. Is power voltage suitable? Check power source. Is a standard-accessory, specified- rating AC adaptor being used? Use a standard-accessory, specified-rating AC adaptor. Is the AC adaptor output voltage normal? Replace the AC adaptor. - Check the cable connection between the power board ASSY and display board ASSY.

  • Page 53: Key Operation Does Not Work

    10.2. Key Operation Does Not Work Key operation does not work. Is there a click feel? Adjust the switch and case contact. Open the upper case, and connect a different switchboard ASSY to the display board ASSY. Can the keys be operated? Replace and check the display board ASSY.

  • Page 54: Err C" Is Displayed

    10.3. "ERR C" Is Displayed ICAL error Check that nothing has been placed on the pan. Enter Service Mode and check the WG value. Is the value greater than ±10 g? Does the WG value change if a load is applied? - Adjust the stopper plate.
  • Page 55 Flow Chart of CAL error iCAL Normal operating Appx.6sec/r SmartSetting=3(STAND) Time-out setting 10 sec Stability Band=1d CorSetADType(LAD) Repeat count 10 times No load on the pan? 　No Load　< Capacity×0.2 "BUSY"is displayed. "CAL 3" is displayed. ReTryCnt <- 0 Time-out error check Time-out error Pre-Loading 　Wait for 10sec...

  • Page 56: Err H" Is Displayed

    10.4. "ERR H" Is Displayed "ERR H" is displayed. Restart the power. Is "ERR H" displayed? - Check the temperature sensor solder. - Replace the analog board ASSY, turn on the power, and check. - Replace the temperature sensor. A data mismatch between the microcomputer - For ATX, see “10.6 Trouble of Weight Loader.”...

  • Page 57: When Power Is Switched On, Display Stops At Or "Software Version

    10.5. When Power Is Switched On, Display Stops at "Software Version" Cause: Failure of AD converter IC initialization for Display stops at analog board ASSY "S/W Ver." Visually check the cable connection between the display board ASSY and the analog board ASSY. Re-connect the cable properly, turn on CORRECT? the power, and perform an operation...

  • Page 58: Trouble Of Weight Loader

    10.6. Trouble of Weight Loader Trouble of Weight Loader Connect a different weight loader ASSY to the display board ASSY, and perform an operation check. GOOD? Replace display board ASSY. Replace weight loader ASSY. GOOD? Replace cable between the display board and power board.

  • Page 59: Components List

    11. Components List 11.1. ATX/ATY Series Exploded View ATX/ATY Series...
  • Page 60 ATX/ATY Series (Case ASSY)
  • Page 61 ATX Series (Base Unit ASSY) Standard screw for unit cover mounting...
  • Page 62 ATY Series (Base Unit ASSY) Standard screw for unit cover mounting...
  • Page 63 ATX/ATY Series (Unit ASSY)

  • Page 64: Atx/Aty Series Maintenance Parts

    321-71317 For ATX124,ATX84 UNIT ASSY,ATX120_PH 321-71317-40 For ATX124,ATX84 PH connector UNIT ASSY,ATX220 321-71317-01 For ATX224 UNIT ASSY,ATX220_PH 321-71317-41 For ATX224 PH connector UNIT ASSY,ATY 321-71317-03 For ATY224,ATY124,ATY64 UNIT ASSY,ATY_PH 321-71317-43 For ATY224,ATY124,ATY64 PH connector CASE ASSY 321-71011 CASE ASSY_PH 321-71011-40...
  • Page 65 321-71285-02 SHEET PANEL,ATX 321-71020 MODEL NANE LABEL, ATX84 321-71021-02 For ATX84 MODEL NANE LABEL, ATX124 321-71021-03 For ATX124 MODEL NANE LABEL, ATX224 321-71021-04 For ATX224 MODEL NANE LABEL, ATY64 321-71021-06 For ATY64 MODEL NANE LABEL, ATY124 321-71021-08 For ATY124 MODEL NANE LABEL, ATY224...

  • Page 66: Atx/Aty Series Dedicated Jigs

    11.3. ATX/ATY Series Dedicated Jigs Parts Name Remarks ATX JIG SET 321-71318 ( includes J1 to J11) 321-62674 LEVER FIXING PIN Common with AU 321-70258-12 UNIT ASSY POSITIONING JIG 774-41101-01 For AT only GAP SETTING SHIM (t = 0.1) 774-41357 Common with Unibloc products HANDLE CORNERLOAD...

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