Shimadzu TX Series Service Manual

321-78011G May 2010 Electronic Balances TW/TX/TXB Series Service Manual Precision Balance

- 6 - 2.1.2. Inspecting the Balance Interior (Removing the Case and Pan Support) [Disassembly] 1) Detach the AC adaptor, then: [Carat/small pan o

- 7 - Fig. 3-A Fig. 3-B 2.1.3. Replacing Components 2.1.3.1. Replacing the Front Glass (C8) 1) Detach the AC adaptor, and remove the pan

- 8 - 2.1.3.2. Replacing the Main Board Assy (B2) 1) Use the procedure in " 2.1.2 Inspecting the Balance Interior (Removing the Case and Pan

- 9 - 2.1.3.3. Replacing the Analog Board Assy (B3) 1) Use the same procedure as steps 1) to 3) in " 2.1.3.2 Replacing the Main Board Assy (B

- 10 - 7) Follow steps 1) to 6) in reverse to attach the new analog board Assy (B3). * During assembly, use the CS-5 clip (B26) to securely hold

- 11 - 2.1.3.4. Replacing the Power Board Assy (B4) 1) Use the procedure in " 2.1.2 Inspecting the Balance Interior (Removing the Case and

- 12 - 9) Disconnect the J4 connector that is connected to the power board Assy (B4). 10) Follow steps 1) to 9) in reverse to attach the new power

- 13 - 8) Follow steps 4) to 7) in reverse to attach the new detector Assy (U11). 9) Adjust the detector height by following " 4.1.1 Adjusti

- 14 - 5) [TW only] Loosen the two P4 M3×6 screw (30), and remove the leaf supring,weight loaderr (29) and the weight(28). (Fig.25) 6) Disconnect

- 15 - 2.1.3.7. Replacing the Weight loader Assy (27) 1) Use the procedure in " 2.1.3.6 Replacing the TX Unit Assy (1)" to remove the TX

- i - Table of Contents 1. Operations for Adjustment...

- 16 - 2.1.3.8. Replacing the Force Coil Assy (L1) 1) Use the procedure in " 2.1.3.6 Replacing the TX Unit Assy (1)" to remove the T

- 17 - Fig. 34 Fig. 35 13) Looking at the TX unit Assy (1) from the top, tighten the force coil Assy (L1) at the position where the center

- 18 - 2.2. TXB Series 2.2.1. Precautions 1) Pull the connector straight out when disconnecting. Never pull it out at a bent angle. * Pulling out

- 19 - 2.2.2. Inspecting the Balance Interior (Removing the Case and Pan Support) [Disassembly] 1) Detach the AC adaptor, and remove the pan (1),

- 20 - 3) Lift up the upper case (6) from the back, and disengage from the hooks at the front of the lower case (7). Fig. 5 Removing the Uppe

- 21 - 2.2.3. Replacing Components 2.2.3.1. Replacing the Main Board Assy (9) 1) Use the procedure in " 2.2.2 Inspecting the Balance Inter

- 22 - 6) Remove the two CDHWE101S00 screws (24) fixing the power board Assy (11) and back plate (16) in place. 7) Temporarily tighten the two CD

- 23 - 6) Remove the hexagonal socket head bolt on the back of the base Assy (17). * Be careful not to apply force to the load cell Assy.

- 24 - 9) Adjust the four displacement stop screws for the load cell Assy. Raise the screws until they touch the pan support projection, and then lo

- 25 - 3. Checking the Electronic Board 3.1. TW/TX Series The TW/TX Series boards and their signal allocations are summarized below. Numbers in pare

- ii - 5.7. Sensitivity Calibration by External weight ...

- 26 - 3.1.3. Power Board Assy (B4) Assy P/N 321-64550 Board P/N 321-64552 Smoothes out AC adaptor input (DC 12 V/1 A), generates ±12 V and +5 V

- 27 - 3.2. TXB Series The TXB Series boards and their signal allocations are summarized below. Numbers in parenthesis ((1), (2), (3), and so on) sh

- 28 - 3.2.3. Analog Board Assy Assy P/N 321-63845 Board P/N 321-63847 A/D converter, generates analog +5 V Temperature sensor output amplificat

- 29 - 4. Hardware Adjustment 4.1. TW/TX Series When replacing the following components, balance performance may be altered. After replacement, check

- 30 - Fig. 37 4.1.2. Adjusting the Tilt Error 1) Use the procedure in " 2.1.2 Inspecting the Balance Interior (Removing the Case and Pan S

- 31 - 4.1.3. Adjusting the Cornerload Error * This adjustment is only effective for minor errors (within ±30 counts). If the error is larger,

- 32 - 4.2. TXB Series When replacing the following components, balance performance may be altered. After replacement, check the performance and make

- 33 - Zero Adjustment Sheet for TXB Load cellAdjustment ZERO Wad valueZERO WAD is over target -> Insert the Advance wire to (A) ZERO WAD is under

- 34 - 4.2.2. Adjusting the Corner load Error * This adjustment is only effective for minor errors (within ±30 counts). If the error is larger

- 35 - 5. Software Adjustment 5.1. EEPROM Initialization There are two methods for initializing the EEPROM, as shown below. (1) Initializing EEPROM

- iii - 11.1.1. TW/TWC,TX/TXC exploded view ...

- 36 - - Model name display is a maximum of seven characters. (Due to limitation to the panel display, numbers are displayed on the left and alphabet

- 37 - 5.3. Setting Information Lock There will be cases where the setting information lock must be released due to calibration error, etc., to res

- 38 - 5.4. Inputting Reference Weight Values for Linearity Adjustment Before executing linearity adjustment, input the reference weight values to b

- 39 - 5.5. Linearity Adjustment To satisfy linearity specifications, calculate the coefficient for correcting hardware linearity errors. The oper

- 40 - 5.7. Sensitivity Calibration by External weight Execute sensitivity calibration in the same way as user mode. If sensitivity calibration i

- 41 - [Reference Weight Values] Model Name CAL Value TXB222L 200TXB422L 400TXB622L 500TXB621L 500TXB2201L 2000TXB4201L 4000TXB6201L 5000TXB6200L 5

- 42 - 5.9. Weight loader check ( Only TW series ) Execute confirmation of weight loader function. Procedure 1) Push the [MENU] key and select ”LD.

- 43 - 6. EEPROM [INIT] OUTPUT [EDIT] by ENTER key When the turn on the power,

- 44 - 6.2. Data Edit (EDIT) Operations (1) In the service menu, select “NVRAM” -> “EDIT”(Data edit). (2) Data with address in EEPROM are disp

- 45 - 6.5. All Initialization (INIT) Operations (1) In the service menu, select “NVRAM” -> “INIT”(All Initialize). (2) The execution confirma

- 1 - 1. Operations for Adjustment For the general operations method, see the User's Manual for the TW/TX/TXB Series. 1.1. ROM version inform

- 46 - 4) Editing NVRAM menu 5) Back-up EEPROM data by “BKUP” in the service menu. Downloading EEPROM data fro

- 47 - 7. Updating the Program The TW/TX/TXB Series has a Flash memory microcomputer. You can use a special tool to easily update the program at cu

- 48 - 3) In the Windows Start menu, select [StickWriter] -> [StickWriter] and start up the application. 4) The window shown below is display

- 49 - 6) The window below is displayed. Select the program file (*.HEX) to download. Selecting the folder containing the program file displays t

- 50 - 8) The downloaded program file information is displayed in the "HEX File" area (3). Check the file name and file time stamp.

- 51 - 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

- 52 - Connect the FP4 adaptor and program writer cable (774-41751). - Be careful not to injure your fingers or hands with the unconnec

- 53 - 3) Switch on the power to TW/TX/TXB. TW/TX: Attach the AC adaptor to the power jack. TXB: Attach the AC adaptor to the power jack, and k

- 54 - 8. Performance Inspection Before starting the performance inspection, turn on the power and leave the balance in the mass display state (backl

- 55 - Table 1 TW/TX Series Inspection Criteria Model TWC323L TXC323L TWC623LTXC623LTW223L TX223L TW323L TX323L TW423L TX423L TW2202L TX2202L TW3202

- 2 - TYPE DisplaySHIP DisplaySoftware VersionAD Display WAD ※TAD ※OAD ※LAD ※WG ※CR ※Select Type Type listSet Shipment JapanSIEXPASIATASirial NO. Inp

- 56 - 9. Problems and Solutions 9.1. General Problem Solutions Problem Cause Solution TW/TX TXB 1) Power voltage not compatible. Check the po

- 57 - Problem Cause Solution TW/TX TXB 1) Linearity adjustment fault Readjust linearity. If over 10 d, replace the unit. 9 9 2) Damage to OP

- 58 - 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

- 59 - 10. Troubleshooting 10.1. Display Won't Appear TXB OK TW/TX NG No Yes 10.2. Display Not Showing Correctly

- 60 - 10.3. Key Operation Does Not Work No Yes Key operation does not work. Press a key. Does it operate normally?

- 61 - 10.4. Poor Reproducibility No Yes Reproducibility is poor.Is the connection cable contacting the base? Remove

- 62 - 10.5. "ERR H" Is Displayed Yes No "ERR H" is displayed. Is "ERR H" displayed? After

- 63 - 10.6. When Power is Switched On, Display Stops at "CHE 5" or “Software Version” CORRECT?Yes 1)Replace the cable

- 64 - 10.7. When Power is Switched On, Display Stops at "CHE 0" No Yes Display stops at "CHE 0".

- 65 - 10.8. Trouble of Weight Loader Trouble of Weight Loader Connect other Weight Loader assy to MAIN BOARD ASSYGOOD?NoYesReplace Weight Loadera

- 3 - Items in the figure framed in thick lines denote execution items, while those framed in thin lines denote menu items. Shaded items are not dis

- 66 - 11. Components List 11.1. TW/TWC,TX/TXC series 11.1.1. TW/TWC,TX/TXC exploded view TXC series(old TXC) 1 6 4 7 8 C8 B2 B7 B3 B4 B6 B9 B23

- 67 - TX series (old small pan) 1 6 4 8 C8 B2 B7 B3 B4 B6 B9 B23 C1 C3 C4 C6 C7 C5 C10 C10 P3 P4

- 68 - TX series (old large pan) 1 6 8 B2 B7 B3 B4 B6 B9 B23 C1 P3 P4 5

- 69 - TWC/TXC series (TWC/TXC common) 1 4 7 8 C8 B2 B7 B3 B4 B6 B9 B23 C1 C3 C4 C6 C10 C10 P3 P4 C13 6 27

- 70 - TW/TX series（TW/TX common, small） 1 6 4 8 C8 B2 B7 B3 B4 B6 B9 B23 C1 C3 C4 C6 C13 C5 C10 C10 P3 P4 27

- 71 - TX series（Large） 1 6 8 B2 B7 B3 B4 B6 B9 B23 C1 P3 P4 527

- 72 - TX series (unit assv(carat/small pan)(1) ) TX series (unit assv (large pan)(1) ) U9 U11 U17 U19 U20 U9 U11 U17 U19 U2

- 73 - TW series（unit assy(carat/small pan)(1)） U9 U11 U17 U19 U20

- 74 - TW/TWC/TX/TXC Series Maintenance Parts TXC TX TW Ref. No. Product name P/N 323 (*4) 323/623 Smallpan Large pan TWC323/623 Small pan Unit

- 75 - TXC TX TW Ref. No. Product name P/N 323 (*4) 323/623 Smallpan Large pan TWC323/623 Small pan Sheet panel, TX matt 321-64541 9 9 9 9 9

- 4 - Function General Model selection Selection of the model name automatically sets the basic information for weighing capacity, minimum display,

- 76 - 11.1.2. TX/TXC series dedicated jigs No. Product name Ｐ／Ｎ Remarks J1 Lever fixing pin 321-62674 Common with UX J2 Unit assy positi

- 77 - 11.2. TXB Series 11.2.1. TXB exploded view 【1】【2】【3】【4】【5】【6】【7】 【8】 【9】 【10】 【11】 【12】 【13】 【14】 【15】 【16】 【41】 【42】 【43】 【44】 [19] [18] [1

- 78 - 11.2.2. TXB Series Maintenance Parts No. Product name P/N Large Pan Small Pan Remarks 1 PAN L 321-63871 1 PAN S 321-41418-10 1 2 TRA

- 79 - 11.2.3. TXB series dedicated jigs No 品名 P/N 備考 1 CELL ASSY SETTING JIG 774-41712 2 SPACER 0.4 774-41713-01 For the adjust of overweighi

- 80 - TW/TWC TX/TXC POWER BOARD CIRCUIT (1/3)

- 81 - TW/TWC TX/TXC MAIN BOARD CIRCUIT (2/3)

- 82 - DWGSIZEA3図面番号 DWG NO.SHEET 改定 REVTITLE , ENGLISH尺度 SCALE承認 APP検討 CHK作成 DSGDATE DEPTDIM:mmM3TITLEM4 P/L12 12図面番号 DWG NO.整 理 NO.S-1113B088-007

- 83 - 12341234ABCDEFABCDEFDATE DEPTDIM:mm作成 DSG 検討 CHK 承認 APP 尺度 SCALETITLE , ENGLISH図面番号 DWG NO.DWGSIZEA4SHEET 改定 REV図面番号 DWG NO.整 理 NO.REVISEDC

- 84 - DWGSIZEA3図面番号 DWG NO.SHEET 改定REVTITLE,ENGLISH尺度 SCALE承認 APP検討 CHK作成 DSGDIM:mmS-1113B123456123456ABCDDCBA図面名称（和文）DASHNO.QTYREQD次組立品 NEXT ASS

- 85 - DWGSIZEA3図面番号 DWG NO.SHEET 改定 REVTITLE , ENGLISH尺度 SCALE承認 APP検討 CHK作成 DSGDATE DEPTDIM:mmM3TITLEM4 P/L12 12図面番号 DWG NO.整 理 NO.S-1113B088-007

- 5 - 2. Disassembling and Assembling the Balance 2.1. TW/TX Series 2.1.1. Precautions 1) Pull the connector straight out when disconnecting. Nev

- 86 -