Motorola GM-950 Manual page 17

+5V
R0801
200K 200K
6 4
5 3
6 4
5 3
6 4
5 3
2
3
1
2
3
1
5
AN(0:5)
+5V_SOURCE
Q0891
C0891
.1uF
FLT_A+
R0893
D0891
10
1
2
R0894
10
C0892
.1uF
R0896
2.2K 2.2K
D0892
1
2
+5V
VR0891
5.1V
Diagrams and Parts List
R0802 R0803 R0804
200K 200K 200K 200K 200K 200K
2 6 4 2 6 4 2 6 4 2
PB0801 PB0806 PB0811 PB0815
1 2
BASE CALL
1 5 3 1 5 3 1 5 3 1
2 6 4 2 6 4 2 6 4 2
PB0802 PB0807 PB0812 PB0816
4 5
CLEAR FLIP
1 5 3 1 5 3 1 5 3 1
2 2 2 6 4 2
6 4 6 4
PB0803 PB0808 PB0813 PB0817
7 8
CH
1 5 3 1 5 3 1 5 3 1
MONITOR
2 2 4 2
6 4 6 4 6
PB0804 PB0809 PB0814 PB0818
A * 0
VOL UP
5 3 1 5 3 1 5 3 1
6 4 2
PB0805 PB0810
VOL DOWN B
5 3 1
4 3 2
R0891
FLT_A+
10K
R0892
100K
47K 47K
R0895
0
NU
U0891
LP2951CM
1
3 8
OUTPUT
INPUT
5
7
FEEDBACK ERROR
3 2
SENSE
SHUTDOWN
6
5V_TAP
C0894 C0895
C0893
.022uF 47uF
10uF
GND
4
U0892
MC33064 MC33064 NU
3
NC1
1
5
NC2 RESET
6
NC3
2
7
INPUT
NC4
8
NC5
GND
4
R0897
3
+5V_USW
4.7K
C0897
C0898
470pF 470pF 47uF 47uF
R0805 R0806 R0807
200K 200K 200K 200K 3.3K 3.3K
6 4 2 6 4 2
PB0823
PB0819
R0808
3
UP
3.3K 3.3K
5 3 1 5 3 1
2
6 4 6 4 2
PB0824
PB0820
6 R0809
DOWN
3.3K 3.3K
5 3 1 5 3 1
6 4 2 6 4 2
PB0825
PB0821
9 R0810
ARROW
3.3K 3.3K
5 3 1 5 3 1
2 2
6 4 6 4
PB0826
PB0822
R0811
PHONE
#
3.3K 3.3K
5 3 1 5 3 1
1 0
LED(2:7)
+5V
C0896
.1uF
RESET
Control Head (N4) Schematic Diagram
Q0831
FLT_A+
D0801 D0805 D0809 D0813 D0817 D0821
R0831
10K 10K
D0802 D0806 D0810 D0814 D0818 D0822
D0803 D0807 D0811 D0815 D0819 D0823
R0832
33K
D0804 D0808 D0812 D0816 D0820 D0824 D0828
R0837
4
Q0832
3.3K
PWR_GND
R0838 R0841
3
1
3
4.7K
U0831-1 10K
2 C0841
.1uF .1uF
R0839
100K
R0840
10K 10K
Q0851
FLT_A+
D0851 D0855 D0859 D0863 D0867 D0871
R0851
10K
D0852 D0856 D0860 D0864 D0868 D0872 D0876
D0853 D0857 D0861 D0865 D0869 D0873
R0852
33K
D0854 D0858 D0862 D0866 D0870 D0874
R0857 Q0852
2
PWR_GND
4.7K R0860
5
7
U0831-2 10K
6
C0861
.1uF
R0858
100K
R0859
10K
5
6
7
FLT_A+ FLT_A+ FLT_A+
D0881
yellow
D0882 D0883 D0884
yellow green red
TP0881 TP0882 TP0883
Q0881 Q0882 Q0883
R0881 R0882 R0883
270 270 470
0102725B71_2
Controlhead T sheet 2
GEPD5546-1
Control Head (N4) Schematic Diagram
D0825 D0829
D0826 D0830
D0827
R0833 R0834
1.5K 1.5K 1.5K
R0836
R0835
1.5K 1.5K 1.5K
R0842 R0843
10 10 10 10
FLT_A+
8
VCC
U0831-3 C0831
.1uF
PWR_GND
GND
4
D0875
R0853 R0854
1.5K 1.5K 1.5K 1.5K
R0855 R0856
1.5K 1.5K 1.5K 1.5K
R0861 R0862
10 10
2 of 2
4D.2-3