Motorola CDM Series Detailed Service Manual page 49

Control Head CDM750 / PRO3100 PCB 8486146B07, Schematics, and Parts Lists
KEYPAD A LAYOUT
red yellow green
LED6 LED5
P1 P2
S0866 S0865
LED1 LED2 LED3 LED4
F1 F2 F3 F4
S0864 S0863 S0862 S0861
ZWG0130240-A
INT_KP_COL
R0867
R0866
13K
51K
5V
1 P1
1 P1
S0861
5 P5 5 P5
4 4 P4
P4
8 P8 8 P8
F4
2 P2 2 P2
6 P6 0V/0V 6 P6
3 P3 3 P3
7 P7
7 P7
1 1
S0862
P1 P1
5 5
P5 4 P5
4
P4 P4
8 8
F3
P8 P8
2
2
P2 P2
6 0V/1V 6
P6 P6
3
3
P3 P3
7 7 P7
P7
1 P1
S0863
5 P5
4
P4
8 P8
F2
2 P2
6 P6 0V/2V
3 P3
7 P7
1
S0864
P1
5
4 P5
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)
Control Head CDM750 / PRO3100 – Schematic Sheet 2 of 2
D0885
D0886
green
green
D0884 D0888
green
green
D0881 D0887
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
D0874
D0875 D0876 D0871
red
red
red red
Q0874 Q0875 Q0876 Q0871
R0874
R0875 R0876 R0871 R0872
270 270 270
270
4 3 2 1 0
ZWG0130240-A
Section 2: 4-5
LED5 LED6
D0872 D087
red red
Q0872 Q0873
270 R087
270
8
6881091C63-F