Service manual
SAM4S ER-900/SPS-300 SERIES 11-1
11 Schematic Diagrams
[ Schematics Sheet Contents ]
1. Main PCB Schematics.
1) CPU(LPC2470) & Reset & Extout Block -------------------- 11-2
2) Memory & Buzz & Pfail & Batt Block ------------------------- 11-3
3) KBD & Dallas & Sensor & MSR Block ----------------------- 11-4
4) LCD(192x64 & 2line LCD) Block ------------------------------ 11-5
5) Printer(1st & 2st & Autocut) & Spool Block ------------------ 11-6
6) FND conn. & I/F conn. & Drawer conn. Block -------------- 11-7
7) LAN & USB & SDcard Block ------------------------------------ 11-8
8) Fiscal Block --------------------------------------------------------- 11-9
9) Power Circuit Block ----------------------------------------------- 11-10
2. I/F PCB Schematics.
1) Serial & Vserial Block -------------------------------------------- 11-11
2) Drawer & I/F conn. Block ---------------------------------------- 11-12
3. LCD Joint PCB Schematics.
1) 2line LCD & 192x64 LCD Joint Block ------------------------ 11-13
2) Rear Display(FND) Joint Block -------------------------------- 11-14
4. Rear Display(FND) PCB Schematic. ------------------------- 11-15
5. PRT(R/J) Joint PCB Schematic. ----------------------------- 11-16
6. Option Serial 2P(RJ45+RJ45) PCB Schematic. ---------- 11-17
7. SDcard PCB Schematic. ---------------------------------------- 11-18
8. LAN PCB Schematic. -------------------------------------------- 11-19
9. Option Serial 1P(RJ45) PCB Schematic. ------------------ 11-20
10. USB PCB Schematic. -------------------------------------------- 11-21