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Japan Cash Machine G356E Service Manual

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Contents
  1. Table Of Contents
  2. Introduction
  3. Emergency cash drawer release
  4. Diagnostics
  5. Theory of operation
  6. circuit description
  7. KEY BOARD CIRCUIT
  8. display circuit
  9. printer drive circuit
  10. Paper near end sensor circuit
  11. Motor drive circuit(paper feed motor)
  12. Battery charge circuit
  13. Trouble shooting
  14. CONNECTOR LAYOUT OF CPU BOARD
  15. CONNECTOR TABLE
  16. Standard inner cable pin assignment
  17. Appendix
Japan Cash Machine G356E Service Manual Manual pdf 10 page image
83.2.3. display circuitDisplay signals are applied to the display circuit board via J4..The display signals for digit indication are also used for key scan signals which are decodedAt U25,U26(VHC138). The decoded signals from U25,U26 are amplified at U23,U24(driver:uPA80C)and applied to the display tube on display circuit board.The display signals for segment indication are output from port of CPU(P150-P157,P76,P77).They are amplified at U22,U23 (driver:uPA80C) and applied to the display tube on display circuitboard.I11 I22 I33 I44 I55 I66 I77VCC 9O1 16O2 15O3 14O4 13O5 12O6 11O7 10VSS8U22UPA80CI11 I22 I33 I44 I55 I66 I77VCC 9O1 16O2 15O3 14O4 13O5 12O6 11O7 10VSS8U23UPA80CI11 I22 I33 I44 I55 I66 I77VCC 9O1 16O2 15O3 14O4 13O5 12O6 11O7 10VSS8U24UPA80CDET11VF12SEG K3SEG P4SEG G5SEG F6SEG E7SEG D8SEG C9SEG B10SEG A11DG812DG713DG614DG515DG416DG317DG218DG119DG020VF221DET2222324252626FE BT-VK-NSEGASEGBSEGCSEGDSEGESEGFSEGGSEGPSEGKSEGL-30VDG0DG1DG2DG3DG4DG5DG6DG7DG8-30V-30VL1L2L3L4L5L6L7L8L9L10L11L12L13L14L15L16L17L18C690.1uC590.1u+5V+5V+5VC700.1uVF1VF2DISP SWDISPLAY DRIVE CIRCUIT
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This manual is suitable for:
G356E
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