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Table of Contents
1. Operations for Adjustment...........................................................................................................................1
1.1. ROM version information.......................................................................................................................................... 1
1.2. Entering the Service Mode ....................................................................................................................................... 1
1.3. Contents of Service Menu ........................................................................................................................................ 2
1.4. Service Mode Functions ........................................................................................................................................... 3
2. Disassembling and Assembling the Balance .......................................................................................... 5
2.1. TW/TX Series ............................................................................................................................................................... 5
2.1.1. Precautions........................................................................................................................................................... 5
2.1.2. Inspecting the Balance Interior (Removing the Case and Pan Support) ....................................................... 6
2.1.3. Replacing Components....................................................................................................................................... 7
2.2. TXB Series.................................................................................................................................................................. 18
2.2.1. Precautions.........................................................................................................................................................18
2.2.2. Inspecting the Balance Interior (Removing the Case and Pan Support) .....................................................19
2.2.3. Replacing Components..................................................................................................................................... 21
3. Checking the Electronic Board.................................................................................................................25
3.1. TW/TX Series ............................................................................................................................................................. 25
3.1.1. Main Board Assy (B2)........................................................................................................................................25
3.1.2. Analog Board Assy (B3) .................................................................................................................................... 25
3.1.3. Power Board Assy (B4)..................................................................................................................................... 26
3.2. TXB Series.................................................................................................................................................................. 27
3.2.1. Power Board Assy .............................................................................................................................................27
3.2.2. Display Board Assy............................................................................................................................................27
3.2.3. Analog Board Assy ............................................................................................................................................ 28
4. Hardware Adjustment .................................................................................................................................29
4.1. TW/TX Series ............................................................................................................................................................. 29
4.1.1. Adjusting the Height of the Detector Assy (U11).............................................................................................29
4.1.2. Adjusting the Tilt Error........................................................................................................................................ 30
4.1.3. Adjusting the Cornerload Error .........................................................................................................................31
4.2. TXB Series.................................................................................................................................................................. 32
4.2.1. Adjusting ZERO balance of load cell ............................................................................................................... 33
4.2.2. Adjusting the Corner load Error ........................................................................................................................34
5. Software Adjustment...................................................................................................................................35
5.1. EEPROM Initialization.............................................................................................................................................. 35
5.2. Model Selection.........................................................................................................................................................35
5.3. Setting Information Lock ........................................................................................................................................37
5.3.1. Releasing the Setting Information Lock........................................................................................................... 37
5.3.2. Setting the Setting Information Lock ................................................................................................................37
5.4. Inputting Reference Weight Values for Linearity Adjustment ........................................................................ 38
5.5. Linearity Adjustment................................................................................................................................................ 39
5.6. Calibration of internal weight ( PCAL ) (Only TW series)................................................................................. 39