Motorola pro7100 Service Manual Page 84
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
Rated. / 5. Based on customer reviews
4-18
16Kx8bit
GP6_IN
GP4_IN
GP3_IN
HSIO
GP4_IN
VS_CS
EXP1_CS
GP1_IN
CLK
VOX
LSIO
GP7_IN
HC138_A0
ON_OFF_SENSE
EEPROM
OPT_CS
HC138_A1
HC138_A2
MISO
CLK
GP5_IN
GP6_IN
F1200
CHACT
GP8_OUT
SQ_DET
HC138_A1
H/W-Version & Memory size
512kx8bit
GP4_OUT
GP7_OUT
(EXT_BD_PTT & DATA_PTT)
EE_CS
GP2_OUT
GP8_OUT
RAM
FLASH ROM
GP4_OUT
GP7_OUT
LVZIF_CS
REF_CS
HC138_A2
EXP2_CS
GP7_IN
MISO
SYN
GP8_IN
LSIO
GP8_IN
GP3_IN
PE6
HC138_A0
32kx8bit
GP5_IN
EE_CS
DATA
1
0
GP4_OUT
GP7_OUT
CSX
HSIO
MICROPROCESSOR
DATA
R0121
Q0177
100K
7
47K
R0186
1000pF
0
NU
3
C0107
5
R0116
8
4
3
Q0181
C0123
100pF
NU
15
IO4
16
IO5
17
IO6
18
IO7
19
IO8
28
VCC
24
A9
20
EN_CS
22
EN_OE
27
EN_WE
GND
14
11
IO1
12
IO2
13
IO3
1
A14
8
A2
7
A3
6
A4
A5
5
4
A6
3
A7
25
A8
U0122
10
A0
9
A1
A10
21
23
A11
2
A12
26
A13
C0106
100pF
NU
3
2
5
10
Q0110
27K
NU
0
2
R0125
100pF
NU
C0104
10MEG
9
R0131
0
7
C0111
100pF
NU
0.1uF
Y5
10
Y6
9
Y7
7
C0141
EN_CS3
5
GND
8
VCC
16
Y0
15
Y1
14
Y2
13
Y3
12
Y4
11
A0
1
A1
2
A2
3
EN_CS1
6
EN_CS2
4
XTL0
7
XTL1
12
0
U0141
MC74HC138A
RS0
13
RS1
14
RTS
R_W*
28
10
TD
VSS
VDD
15
D1
19
D0
18
DCD
16
DSR
17
DTR
11
RC
5
RD
12
CS1
3
CTS
9
D7
25
D6
24
D5
23
D4
22
D3
21
D2
20
U0125
CLK
CS0
2
5
6
6
3
R0101
10K
5
8
9
47K
R0178
R0107
47K
NU
1
6
18
TP0102
0.1uF
C0121
0.1uF
TP0103
1
8
C0122
27K
NU
11
9
8
R0126
6
6
1
2
3
0
1
1
4.7K
R0183
22pF
3
4
C0131
D0101
5.6V
VR0151
7
5
12
D0151
.01uF
6
11
12
C0151
4
0
7
6
R0128
See NOTE
24K
R0152
R0132
330K
7
SI
5
SO
2
VCC
8
VSS
4
WP
3
2
X25128_2.7V
CLK
6
CS
1
HOLD
24K
0
13
U0111
13
0
R0151
12
11
47K
R0182
R0176
10
5
30K
100pF
0
12
C0101
R0175
10K
1
10
1
7
13
7
TP0151
10K
R0115
0
3
10
1
R0111
R0110
10K
NU
C0112
0.1uF
3
5
R0104
10K
22pF
2
7
C0132
R0114
10K10K
6
R0113
R0181
0
1
7
4.7K
TP0101
4.7K
R0185
4
5
11
9
2
5
4.7K
R0177
Q0183
14
4
R0179
47K
D0179
9
4
1
10
8
4
10
16
NC
NC1
OUT
IN
R0109
Y0131
38.40KHz
XTAL
R0112
0
NU
18
10K
47K
R0184
R0174
4.7K
4
R0102
14
C0103
100pF
NU
6
7
6
5
8
15
R0108
2.2K
15
9
See
NOTE
100K
R0105
4
13
12
14
13
17
40
VSSL
87
VSSR
XFC
93
48
XIRQ
91
XTAL
94
RESET
12
VDD
39
VDDL
88
VDDR
92
VDDSYN
69
VRH
68
VRL
13
VSS
71
PJ0_CSGP3
72
PJ1_CSGP4
73
PJ2
74
PJ3
75
PJ4
76
PJ5
77
PJ6
78
PJ7
56
PI0
55
PI1
54
PI2
53
PI3
52
PI4
51
PI5
50
PI6
49
PI7
47
PH0_PW1
46
PH1_PW2
45
PH2_PW3
44
PH3_PW4
43
PH4_CSIO
42
PH5_CSGP1
41
PH6_CSGP2
38
PH7_CSPROG
6
PG0_XA13
16
PG1_XA14
20
PG2_XA15
19
PG3_XA16
17
PG4_XA17
18
PG5_XA18
5
PG6_AS
4
PG7_R_W
28
PF1_ADDR1
27
PF2_ADDR2
26
PF3_ADDR3
25
PF4_ADDR4
24
PF5_ADDR5
23
PF6_ADDR6
22
PF7_ADDR7
29
PFO_ADDR0
PE0_AN0
67
PE1_AN1
66
PE2_AN2
65
PE3_AN3
64
PE4_AN4
63
PE5_AN5
62
PE6_AN6
61
PE7_AN7
60
37
PC7_DATA7
97
PD0_RXD
98
PD1_TXD
99
PD2_MISO
100
PD3_MOSI
1
PD4_SCK
2
PD5_SS
PD6_LVIN
3
14
PBO_ADDR8
30
PC0_DATA0
31
PC1_DATA1
32
PC2_DATA2
33
PC3_DATA3
34
PC4_DATA4
35
PC5_DATA5
36
PC6_DATA6
86
PA7_PA1_OC1
10
PB1_ADDR9
11
PB2_ADDR10
9
PB3_ADDR11
21
PB4_ADDR12
15
PB5_ADDR13
8
PB6_ADDR14
7
PB7_ADDR15
57
MODB_VSTBY
79
PA0_IC3
80
PA1_IC2
81
PA2_IC1
82
PA3_IC4_OC5_OC1
83
PA4_OC4_OC1
84
PA5_OC3_OC1
85
PA6_OC2_OC1
59
AVDD
70
AVSS
89
ECLK
90
EXTAL
96
IRQ
LVOUT
95
58
MODA_LIR
4
U0101
MC68HC11FL0
Q0151
2
7
2
0
3
2
6
1
0
C0105
Q0173
NU
100pF
3
2
1
26
IO5
27
IO6
28
IO7
29
8
VCC
10
9
1
30
EN_OE
32
EN_WE
7
24
GND
21
IO0
IO1
22
IO2
23
IO3
25
IO4
18
A3
17
A4
16
15
A5
14
A6
A7
13
A8
3
A9
2
EN_CE
1
A12
12
4
A13
A14
5
11
A15
A16
10
A17
6
A18
9
A2
A0
20
A1
19
A10
31
A11
16
3
U0121
0
See
NOTE
R0106
1
1
8
10K
100pF
NU
R0170
C0102
7
4
2
Q0185
17
GP3_IN_ACC6
5VD
ON_OFF_CONTROL
R_W
RAM_CS
SCI_TX
BUS+
5
3
5VD
SPI(0:10)
SPI(0:10) SPI(0:10)
SPI(0:10)
SPI(0:10)
GPIO(0:13)
GPIO(0:13)
CNTLR_AUDIO(0:7) CNTLR_AUDIO(0:7)
CNTLR_AUDIO(0:7)
CNTLR_AUDIO(0:7)
FROM_U0101_47
FROM_U0101_46
UART_CS
FROM_U0101_46
FROM_U0101_47
VS_RAC
5VD
VS_INT
GP4_IN_OUT_ACC8
IRQ
IRQ
5VD
BOOT_CNTRL
FLASH_CE
FLASH_OE
R_W
5VD
5VD
ECLK
R_W
5VD
ADDR_BUS(0:18)
UART_RX
5VD
RESET
RESET
5VD
UART_TX
5VD
5VD
OPT_PTT
5VD
GP5_IN_ACC9
BATTERY_VOLTAGE
5VD
FLT_A+ GP2_OUT_ACC4
TEMPSENSE
RAM_CS
5VD
VS_GAINSEL
EXT_BD_REQ
RSSI
5VD
RX_ADAPT
5VD
5VD5VD
FLT_A+ FLT_A+
FLASH_OE
UART_CS
DATA_BUS(0:7)
NC_XTAL
ECLK
NC_PB6_ADDR14
NC_PB7_ADDR15
LOCK
RDY
ON_OFF_CONTROL
NC_PH5_CSGP1
GP7_IN_OUT_ACC12
GP8_IN_OUT_ACC14
5VD
5VD
5VD
GP6_IN_ACC10
5VD
FLASH_CE
R_W
VSTBY
5VD
CNTLVLTG
ZWG0130229-A
NOTE
R0105 R0106 R0128 R0109 U0125
MDC/Sel5 Used NU NU Used NU
MPT NU Used Used NU Used
See NOTE
8
0
0
26
5VD
0
NU
R0124
0
NU
R0127
0.1uF
NU
C0125
5VD
3.9K
R0117
Q0171
4.7K
R0171
5VD
10K
R0172
GP1_IN
6
5VD
GP1_IN_ACC3
R0173
4.7K
1
27
UART
1
23
4
5VDC (0VDC during On/Off pressed
and during head request)
5VDC (0VDC during boot mode)
Figure 4-12. Controller Control Schematic Diagram
- Professional Radio 1
- Computer Software Copyrights 2
- SAFETY INFORMATION 3
- W A R N I N G 4
- C a u t i o n 4
- Safety-3 5
- Safety-4 6
- Relabeling 6
- TABLE OF CONTENTS 7
- Chapter 3 Maintenance 9
- List of Figures 9
- List of Tables 10
- Chapter 1 11
- Introduction 11
- 1.3 Related Documents 12
- 1.4 Technical Support 12
- 1.5 Warranty and Repairs 12
- 1.7 Radio Model Information 14
- Chapter 2 15
- Theory of Operation 15
- 2-2 Theory of Operation 16
- 2.2.2 Automatic On/Off 17
- 2.2.3 Emergency 18
- 2.2.4 Mechanical On/Off 18
- 2.2.5 Ignition 18
- Theory of Operation 2-5 19
- 2.2.8 SBEP Serial Interface 20
- Theory of Operation 2-7 21
- 2-8 Theory of Operation 22
- 2.3.2 Transmit Audio Circuits 23
- 2.3.3 Microphone Input Path 23
- 2-10 Theory of Operation 24
- Theory of Operation 2-11 25
- 2.3.4.2 High Speed Data 26
- 2.3.5 Receive Audio Circuits 27
- 2.3.5.1 Squelch Detect 27
- 2-14 Theory of Operation 28
- 2.3.5.4 Handset Audio 29
- ASFIC_CMP 30
- 2.3.6.3 Voice Storage Option 31
- Theory of Operation 2-19 33
- 2.5.1 Power Controlled Stage 34
- 2.5.2 Pre-Driver Stage 34
- Theory of Operation 2-21 35
- 2.6 Frequency Synthesis 36
- Theory of Operation 2-23 37
- 2-24 Theory of Operation 38
- 2.6.4 Synthesizer Operation 39
- Theory of Operation 2-27 41
- 2.8.1 Power Controlled Stage 42
- 2.8.2 Pre-Driver Stage 42
- 2.8.3 Driver Stage 43
- 2.8.4 Final Stage 43
- 2.8.5 Directional Coupler 43
- 2.8.6 Antenna Switch 43
- 2.8.7 Harmonic Filter 43
- 2.9 Frequency Synthesis 44
- Theory of Operation 2-31 45
- 2.9.4 Synthesizer Operation 47
- 2.10.1 Power Supplies 48
- 2.10.2 Power On/Off 48
- 2.10.3 Microprocessor Circuit 48
- 2.10.4 SBEP Serial Interface 49
- 2.10.5 Keypad Keys 49
- 2.10.8 Speaker 50
- 2.11.1 Power Supplies 51
- 2.11.2 Power On / Off 51
- 2.11.3 Microprocessor Circuit 51
- 2.11.4 SBEP Serial Interface 52
- 2.11.5 Keypad Keys 52
- Theory of Operation 2-39 53
- 2.11.9 Speaker 54
- Chapter 3 55
- Maintenance 55
- Maintenance 3-3 57
- 3-4 Maintenance 58
- Table 3-1 59
- 60
- Maintenance 3-7 61
- 3-8 Maintenance 62
- Mobile Synthesizer Section 63
- 3-10 Maintenance 64
- 3.9 VCO Troubleshooting Chart 65
- 3-12 Maintenance 66
- Chapter 4 67
- 6-LAYER CIRCUIT 68
- COPPER STEPS IN PROPER 68
- LAYER SEQUENCE 68
- BOARD DETAIL VIEWING 68
- ZWG0130113 70
- ZWG0130239 71
- ZWG0130240 72
- ZWG0130136 75
- ZWG0130137 76
- ZWG0130241 77
- ZWG0130242 78
- BACKLIGHT GREEN 79
- U0971 Display Driver 80
- ZWG0130229-A 84
- ZWG0130230 A 85
- ASFIC CMP 86
- ZWG0130231-A 86
- ZWG0130232-A 87
- ZWG0130272 91
- ZWG0130270 92
- ZWG0130271 93
- ZWG0130227P 99
- 3,0 -7,5VDC 100
- (SOURCE) 102
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