1
Table of Contents
1. Operations for Adjustment ............................................................................................................................................. 1
1.1. Entering the Service Mode ..................................................................................................................................... 1
1.2. Contents of Service Menu ...................................................................................................................................... 2
1.3. Service Mode Functions ........................................................................................................................................ 3
2.
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. Replacing Components .......................................................................................................................................... 8
2.3.1. Replacing the Front Glass ASSY (C8) .................................................................................................................................8
2.3.2. Replacing the Side Glass ASSY (C6, C7) ...........................................................................................................................9
2.3.3. Replacing the Roof Glass ASSY (C5) .................................................................................................................................9
2.3.4. Replacing the Display Board ASSY (B2) .............................................................................................................................9
2.3.5. Replacing the Power Board ASSY (B4) ........................................................................................................................... 10
2.3.6. Replacing the Analog Board ASSY (B3) ........................................................................................................................... 10
2.3.7. Replacing the Weight Loader ASSY (27) .......................................................................................................................... 11
2.3.8. Replacing the Unit ASSY (1) ............................................................................................................................................. 12
2.3.9. Replacing the Detector ASSY (U11) ................................................................................................................................. 13
2.3.10. Replacing the Force Coil ASSY (L1) ................................................................................................................................. 13
2.3.11. Replacing the Stopper Plate (U14) ................................................................................................................................... 16
2.3.12. Replacing the Stopper Lever (U15) ................................................................................................................................... 16
3.
Checking the Electronic Board ................................................................................................................................... 17
3.1. Display Board ASSY (B2) .................................................................................................................................... 17
3.2. Analog Board ASSY (B3)..................................................................................................................................... 17
3.3. Preamp Board ASSY (B1) ................................................................................................................................... 18
3.4. Power Board ASSY (B4) ...................................................................................................................................... 18
4.
Hardware Adjustment ................................................................................................................................................... 19
4.1. Adjusting the Detector ASSY (U11) Height ...................................................................................................... 19
4.2. Adjusting the Tilt Error ........................................................................................................................................ 20
4.3. Adjusting the Balance ......................................................................................................................................... 21
4.4. Adjusting the Cornerload Error ......................................................................................................................... 22
5.
Software Adjustment .................................................................................................................................................... 23
5.1. EEPROM Initialization .......................................................................................................................................... 23
5.2. Model Selection .................................................................................................................................................... 23
5.3. Releasing and Setting the Setting Information Lock ..................................................................................... 25
5.3.1. Releasing the Setting Information Lock ............................................................................................................................ 25
5.3.2. Setting the Setting Information Lock ................................................................................................................................. 25
5.4. Inputting Weight Values for Linearity Adjustment .......................................................................................... 25