Furuno FS-1570 - Page 28

2.1 FS-2570C
2-3
Fig.2.1.6 C-CPU (05P0729) board, side A
- Display unit with C-IF board removed
LED
CR2: Not used
CR1: Not used
S1: NMI SW
(Not used)
U5: EEPROM
(AT28C256-20PC)
Socket type
U6, U7: SRAM
(128 kx8)
U6
U7
U16: 15V to 5V
power supply
U3: MPU (MB91101PF)
U9: GATE ARRY
(KEY/LCD CONT)
U4: MBM29F800TA
(8 Mbit Flash ROM)
U10: M38881M2
(Printer CONT)
Fig.2.1.7 C-CPU (05P0729) board, side B