Manual No. 0158A
2/68
IWB
−
IWX Series (Overseas Use) Service Manual
Contents
Chapter 1. Product Overview .........................................................................................4
Section 1. Product Overview....................................................................................................4
Section 2. Standard Specifications ..........................................................................................4
Section 3. Appearance.............................................................................................................6
Section 4. Operation Panel ......................................................................................................8
Section 5. Outer Dimensions .................................................................................................10
Chapter 2. Test Mode ....................................................................................................12
Section 1. Operation ..............................................................................................................12
Item 1. Each Mode and Startup....................................................................................................12
Item 2. Ending Test Mode..............................................................................................................12
Item 3. Test Mode Flow .................................................................................................................13
Item 4. List of Modes......................................................................................................................14
Item 5. C1 Mode
⋅⋅
Country No. Scale No. and Span Adjustment.................................................14
Item 6. C2 Mode
⋅⋅
Key Check .......................................................................................................20
Item 7. C3 Mode
⋅⋅
Display Check 1 (Simplified check).................................................................20
Item 8. C4 Mode
⋅⋅
Display check 2 (Detail check) ........................................................................21
Item 9. C5 Mode
⋅⋅
Program No. Display .......................................................................................21
Item 10. C6 Mode
⋅⋅
RAM clear & E2ROM clear ............................................................................22
Item 11. C7 Mode
⋅⋅
Setup for measuring conditions .....................................................................23
Item 12. C8 Mode
⋅⋅
E2ROM Data Readout ...................................................................................26
Item 13. C9 Mode
⋅⋅
PCB inspection (A/D check, I/F check)..........................................................28
Chapter 3. Hardware Configuration.............................................................................29
Section 1. Mechanisms..........................................................................................................29
Item 1. IWB Series Display Section ...............................................................................................29
Item 2. IWX Series Display Section ...............................................................................................30
Item 3. Scale Section (IWB-6) .......................................................................................................31
Item 4. Scale Section (IWB/IWX-30)..............................................................................................32
Item 5. Scale Section (IWB/IWX-150)............................................................................................33
Item 6. Load Cell............................................................................................................................34
Item 7. Display Pole Section..........................................................................................................36
Item 8. Approval seal
⋅
Masking seal
⋅
Ventilation seal..................................................................38
Section 2. Electric Concerns (IWB Series) ............................................................................39
Item 1. Block Diagram....................................................................................................................39
Item 2. Main Board P-936 ..............................................................................................................40
Section 3. Electric Concerns (IWX Series) ............................................................................44
Item 1. Block Diagram....................................................................................................................44
Item 2. Main Board P-935 ..............................................................................................................45
Item 3. I/F Board P-934-1 (option) .................................................................................................47
Item 4. SW Power Supply..............................................................................................................48
Section 4. Common Matters to Electric Concern, A/D Circuit Board P-933...........................49
