Panasonic JS-170FR Series Service Manual page 9

2.1.11 CPU_POWER .......................................................................................................................... 2-39
2.1.12 ETHERNET interface circuit ..................................................................................................... 2-40
2.1.13 Touch panel interface circuit ..................................................................................................... 2-41
2.1.14 Magnetic card reader interface circuit ...................................................................................... 2-42
2.1.15 Cash-Drawer interface circuit ................................................................................................... 2-45
2.1.16 Customer display interface ....................................................................................................... 2-46
2.1.17 Power ON/OFF circuit............................................................................................................... 2-47
2.1.17.1 Power ON .............................................................................................................................. 2-47
2.1.17.2 Power OFF ............................................................................................................................ 2-48
2.1.17.3 Battery backup circuit ............................................................................................................ 2-49
2.1.18 GATEARRAY (µPD65884GM-019-BED) (Refer to the page 4-8)............................................. 2-51
2.1.18.1 Internal functions ...................................................................................................................... 2-51
2.1.18.2 GATEARRAY Pin Assignment .................................................................................................. 2-51
2.1.19 Optional interface (Refer to the page 4-5 CN7)........................................................................ 2-54
3 Test Program and Power Supply Check .................................................................................................... 3-1
3.1 Voltage checks on the MAIN PWB .................................................................................................... 3-1
3.2 Oscillation frequency check ............................................................................................................... 3-2
3.3 POWER switch / FRONT switch check ............................................................................................. 3-2
3.4 Backup function check....................................................................................................................... 3-3
3.5 Current consumption check ............................................................................................................... 3-4
3.6 BIOS setup......................................................................................................................................... 3-4
3.7 Method of diagnostic program starting .............................................................................................. 3-9
3.8 Execution of diagnostic services...................................................................................................... 3-11
3.9 Materials for Reference ................................................................................................................... 3-48
4 JS-170FR-**PCB's ..................................................................................................................................... 4-1
4.1 Main PCB........................................................................................................................................... 4-1
4.2 MB PCB ........................................................................................................................................... 4-17
4.3 Peripheral PCB ................................................................................................................................ 4-20
5 Body Block ................................................................................................................................................. 5-1
5.1 Body Block Disassembling Drawing .................................................................................................. 5-1
5.2 Body Block Replacement Parts List................................................................................................... 5-7
6 Packing ...................................................................................................................................................... 6-1
6.1 Packing .............................................................................................................................................. 6-1