JUKI LK-1900AN Engineer's Manual page 12

4. Sub-class information ......................................................................... 52
(1) Models classified by button sizes (LK-1903AN) ............................................. 52
(2) Table of Standard Patterns (LK-1903AN) ......................................................... 53
5. Memory switches................................................................................. 54
(1) Memory switch start and change ..................................................................... 54
(2) Table of memory switch functions ................................................................... 55
6. Test mode ............................................................................................. 59
(1) Test mode start ................................................................................................... 59
(2) Display output test ............................................................................................. 60
(3) Method of confirmation according to each test program No. ....................... 61
7. Miscellaneous ...................................................................................... 66
(1) Various printed wiring boards .......................................................................... 66
(2) LK-1900 data ROM ............................................................................................. 73
(3) Dipswitch setting ............................................................................................... 73
(4) Table of standard pattern specifications ......................................................... 74
(5) Table of standard patterns ................................................................................ 75
8. Optional features ................................................................................. 77
(1) Connection of PK-57 .......................................................................................... 77
(2) Table of optional parts ....................................................................................... 78
(3) Table of the work clamp foot ............................................................................. 80
9. Maintenance ......................................................................................... 82
(1) Replacing the fuse ............................................................................................. 82
(2) 100V ←→ 200V voltage specification changeover .......................................... 82
(3) Greasing parts .................................................................................................... 83
(4) Parts to which grease is applied ...................................................................... 84
(5) Grease-up procedures for the specified position ........................................... 91
10. Error list............................................................................................... 92
11. Troubles and corrective measures .................................................... 95
(1) Mechanical parts ................................................................................................ 95
(2) Sewing conditions ............................................................................................. 97
(3) Electrical components ..................................................................................... 106
12. Circuit diagrams .................................................................................117
(1) Block diagram A ............................................................................................... 117
(2) Power supply circuit diagram A ...................................................................... 118
(3) Power supply circuit diagram B ..................................................................... 119
(4) Power supply circuit diagram C ..................................................................... 120
(5) Servo motor circuit diagram ........................................................................... 121
(6) Sensor · pedal VR circuit diagram .................................................................. 122
(7) MAIN · PANEL board circuit diagram ............................................................. 123
(8) Motor · solenoid circuit diagram .................................................................... 124
13. Table drawings ................................................................................... 125
(1) Table type for longitudinal Installation .......................................................... 125
(2) Table type for lateral Installation .................................................................... 126
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