Motorola MTM700

CONTROL HEADS: SCHEMATICS, PCBs and PARTS LISTS MTM700 Mobile Radio / Detailed Service Manual 8.3 - 15
MOTORCYCLE_CONTROL_HEAD (Sheet 2)
NOT USED
*
73D02950C76-O
TELCO CONN.
18 PIN CONN.
SHEET 2 OF 2
R59
4.7K
47K
R20
VCC_5V
VCC_5V
Q6
3904
10K
R34
10K
R41
R72
2K
R21
22K
4.7K
R60
R61
4.7K
R121
0
R117
0
R122
0
0RES_0
R115
0
R113
9
C22
330PF
MIC/ON_OFF
KEYLOAD
2
SW_B+
5.6
VZ5
1
VZ4
5.6
NC
5
NC
8
NC
6
11
RX_AUDIO
J1
KEYFAIL
VCC_5V
3906
Q4
3906
NC
16
Q3
C23
330PF
PTT
6
HOOK
3
4
OPTION_SW_B+
1
KEYFAIL
J2
7
A+
GND
330PF
C14
10UF
C33
330PF
C13
0
R112
C47
0.01UF
VZ1
5.6
VZ2
5.6 5. 6
VZ3
200
R87
U7
1
OUT
2
VDD
3
VSS
MS_2800
CR1
S-807
0
C10
0.01UF
0
R116
R111
0
R110
0
R118
0
R119
RX_AUDIO
8
0
R120
C17
330PF
R16
100K
SW_B+
5.6
VZ6
5.6
VZ7
VCC_5V
330PF
C16
C38
4.7UF
C15
330PF
CR2
VCC_5V
330PF
C30
MMBZ5250L
R68
4.7K
330PF
C29
17
100K
R18
4
A+
13
GND
7
BUS-
NC
12
GND
BUSY
14
BUS+
15
NC
10
4.7K
R62
C24
330PF
Q7
3904
VCC_5V
R63
4.7K
R45
10K
10K
R37
R71
2.2K
VCC_5V
R38
10K
2.2K
R70
10K
R44
SW_B+
R46
10K
3904
Q13
KEYLOAD
2
MIC/ON_OFF
5
Q5
3906
330PF
C19
330PF
C18
VCC_5V
C21
330PF
330PF
C20
47K
R19
3904
Q14
C28
330PF
330PF
C26
330PF
VCC_5V
10K
R36
C27
C25
330PF
VCC
VEE
10K
R35
SW_B+
18
VCC_5V
U6
MC33072
RDI
ON_OFF
RESET
3
BUSY_IN
TDO
PTTHOOK
KEYLOAD
BUSY_OUT
RESET
DEPC-98015-O/GB