GRAPHTEC FC2250 - 11 Block Diagrams And Circuit Diagrams; Key Relay Board (Pr223281)

FC2250-UM-251-9370 11-2
11. BLOCK DIAGRAMS AND CIRCUIT DIAGRAMS
11.2 Key Relay Board (PR223281)
GND
+5V
KEY0 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KEY7
GND
PAS LED
GND
PMT LED
GND
PAUSEZ
GND
KCNT Z0
GND
KCNT Z1
GND
CHARTZ
GND
CHD LED
GND GND
+5V
LCDB0 LCDB1 LCDB2 LCDB3 LCDB4 LCDB5 LCDB6
34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12
11
10
9 8 7 6 5 4 3 2 1
P101
FL1
FL2 FL3 FL4 FL5 FL6 FL7
FRC5-C34L53T-OL
DSS306-102M DSS306-102M DSS306-102M DSS306-102M DSS306-102M DSS306-102M DSS306-102M
+5V
+5V
+5V
+5V
D1 1SS254T-77
1SS254T-77
D2
R1 430
R4
C1 224
R2 R3 430
P12 IL-S-10P-S2T2-EF
IL-S-4P-S2T2-EF
5597-18APB P11
16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
+5V POWER KEY0 KEY1 KEY2 KEY3 KEY4 KEY5 KEY6 KEY7 PAS LED PMT LED PAUSE KCNT Z0 KCNT Z1 GNA
P13
4 3 2 1
CHARTZ GND CHART LED - CHART LED +
1 2 3 4 5 6 7 8 9 10
GND +5V BRIGHT LCD B0 LCD B1 LCD B2 LCD B3 LCD B4 LCD B5 LCD B6
8.2K
200
+5V