Motorola 6864115B62-C Detailed Service Manual page 59

Controlhead GM140/340/640 - PCB 8486146B07/8471236L01 / Schematics
KEYPAD
red yellow green
LED6 LED5
P1 P2
S0866 S0865
LED1 LED2 LED3 LED4
F1 F2 F3 F4
S0864 S0863 S0862 S0861
CH_A
sheet 2
INT_KP_COL
R0867
R0866
51K 13K
5V
1 P1 1 P1
S0861
5 P5 5 P5
4 4 P4
P4
8 P8 8 P8
F4
2 P2 2 P2
0V/0V
6 P6 6 P6
3 P3 3 P3
7 P7 7 P7
1 1
P1 S0862 P1
5 5
P5 P5
4 4
P4 P4
8 8
F3
P8 P8
2 2
P2 P2
0V/1V
6 6
P6 P6
3 3
P3 P3
7 7 P7
P7
1 P1
S0863
5 P5
4
P4
8 P8 F2
2 P2
0V/2V
6 P6
3 P3
7 P7
1
S0864
P1
5
P5
4
P4
8 F1
P8
2
P2
6 0V/3V
P6
3
P3
7
P7
FLT_A+
5V
R0861
51K
INT_KP_ROW
S0865
R0862
P2
13K
1V/0V
BL_GREEN
S0866
P1
FLT_A+
R0880
22K
1V/1V
LED_CNTRL(0:8)
R0864
43K
FLT_A+
LED_CNTRL(0:8)
D0885
D0886
green
green
D0884 D0888
green
green
D0887
D0881
green
green
Q0881 Q0885
R0881
R0885
270
270
D0877 D0878 D0879
red yellow green
Q0877 Q0878 Q0879
R0879
R0877 R0878
270
270 270
5
6
7
LED1 LED2 LED3 LED4 LED5
D0874
D0875 D0876 D0871 D0872
red
red red
red red
Q0874 Q0875 Q0876 Q0871 Q0872
R0874 R0875 R0876
R0871 R0872
270 270 270 270 270
4 3 2 1 0 8
Controlhead GM140/340/640 - Schematic Sheet 2 of 2
4-5
LED6
D0873
red
Q0873
R0873
270
ZWG0130240-A