Motorola MTM700 Detailed Service Manual page 262

8.3 - 14
SW_B+
U9
78M05
1 O 2
I
GND
R86
3
0
C12 C3
0.33UF
1000PF
A+
VCC_5V
D60
Y-GR
R1 D56
C1 D50
D53
10K
0.01UF Y-GR Y-GR
Y-GR
R29
D63
10K
Y-GR
D57
Q1 D51 D54
Y-GR
Y-GR Y-GR
3906
D64
Y-GR
D52 D58
D55
R24
Y-GR Y-GR Y-GR
10K
D65
Y-GR
R25
R73 R74 R75 R76 R77 R78 R79 R80
10K
R58 R48 1.5K 1.5K 1.5K 1.5K 1.5K 1K 1K
1.5K
6.8K 10K
R26
10K
Q8
R27
3904
10K
R39
C45
10K
0.01UF
R28
10K
C5
0.01UF
R49
Q9
10K
3904
R40
C46 R50
0.01UF 10K 10K
VCC_5V
C11 C31 C4
1000PF 10UF 0.1UF
R30 R31 R32 R33
10K 10K 10K 10K
7 6 5 4 3 2 1 0
S0 S1 S2 S3 S4
DATABUS(7:0)
1 1 1 1 1
2 2 2 2 2
3 3 3 3 3
S5 S6 S7 S8 S9
1 1 1 1 1
2 2 2 2 2
C32
3 3 3 3 3 10UF
S10 S11 S12 S13 S14
1 1 1 1 1
8
2 2 2 2 2
VRH
3 3 3 3 3
0 31
PA0
1 30 PA1
29
2 PA2
S15 S16 S17 S18 S19
3 28
PA3
4 27
1 1 1 1 1 PA4
2 2 2 2 2 5 26
PA5
25
6 PA6
7 24
PA7
3 3 3 3 3
39
PB0
38
S20 S21 S22 S23 S24 PB1
37
PB2
36
1 1 1 1 PB3
1
2 2 2 2 2 35
PB4
34
PB5
33
PB6
3 3 3 3 3 32
PB7
49
PC0
48 PC1
47
PCB2|ECIK
46
PC3
45
PC4
44
PC5
43
PC6
42
PC7
15
NC
6 NC
VRL
7
0
1
2
3
4
5
BUSY_OUT BUSY_IN
6
7
*
RESET
R42
10K
MTM700 Mobile Radio / Detailed Service Manual
DISPLAY
U1
LCD_2_LINE
35 40
D LDATA1
LOAD 31 37 CLKLA
U2
32 38
CP CLKSR
LC7985N
M 34 45 M
VCC_5V
VCC_5V
C8 0.01UF
R51
10K
R52
6.8K C41
0.1UF
4.7UF
C44
0.1UF
R53
6.8K
VCC_5V
R15
R54
100K
6.8K
C6 C39
0.01UF 0.1UF
R55
6.8K
10
C48
VDD 33PF
R56
OSC1 16 LCD BIAS
6.8K
TP1
R12 Y1
4.000MHz
1M
U4
68HC05B6 OSC2 17 VCC_5V
TP3
VCC_5V VCC_5V VCC_5V VCC_5V VCC_5V
C49
RESET_ 18
33PF
VPP1 40
TCAP1 22
R9 R10
R8 R66 R64 R65
TCAP2 23
100K 100K 100K
4.7K 4.7K 4.7K R4
TCMP1 2
TCMP2 1
10K
PLMA-D|A 20
21
PLMB-D|A
RDI 50
TDO 52
SCLK 51
IRQ_ 19
U5
POT_SWITCH
PD0|AN0 14
1
13
PD1|AN1 R14
PD2|AN2 12 200K R43
PD3|AN3 11 10K
2
PD4|AN4 9
PD5|AN5 5
VCC_5V
PD6|AN6 4 R17
100K 3
PD7|AN7 3
4
VSS ON-OFF
R2
41
NTC
KEYLOAD PTT
100K HOOK 5
MOTORCYCLE_CONTROL_HEAD (Sheet 1)
Y32 Y33 Y34 Y35
U3
LC7930N
VCC_5V
C34
VCC_5V
U10
SCI7661
14
C42
VDD
0.1UF 13 OSC1 1
CAP1P
R22
R13
15K 560K
12 OSC2 2
CAP1M
RV
10 3
CAP2P
R23 VREG 4
9
CAP2M
15K 11 5
POFF_
TC1
6
TC2
7 VIN 8
R11
VOUT
75K
C37
4.7UF
RDI
TDO
A+ A+ A+
D68 D70 D66
Y-GR
YELLOW RED
VCC_5V
D67 D69 R84
330
YELLOW RED
C9
0.01UF
C43 Q10 Q11 Q12
0.1UF 3904 3904 3904
20
R83 R81 R82
VCC
390 470 390
3 D0 Q0 2 TP4
4
D1 Q1 5
7 D2 Q2 6
8 D3 Q3 9
13 D4 Q4 12
14 D5 Q5 15
17 Q6 16
D6
U8
18 D7 Q7 19
R67
74HC273 4.7K
11
CLOCK
1 RESET
GND R69
3.3K
10
CONTROL HEADS: SCHEMATICS, PCBs and PARTS LISTS
C7
0.01UF A+
C35
4.7UF
R47
10K
Q2
MJD210T4
VCC_5V
D0
C36 D4 D8 D12 D16 D20 D24 D28 D32 D36 D40 D44
4.7UF
D1 D5 D9 D13 D17 D21 D25 D29 D33 D37 D41 D45
R85
D2 D6 D10 D14 D18 D22 D26 D30 D34 D38 D42 D46
330
D3 D7 D11 D15 D19 D23 D27 D31 D35 D39 D43 D47
Q15
3904
U6
R57
MC33072D 6.8K
C40 R7 R6
0.1UF
10 73D02950C76-O
10
SHEET 1 OF 2
R3 DEPC-98014-O/GB
47.5K
R5
7.5K