Motorola pro7100 Servisní příručka Strana 102
- Strana / 109
- Tabulka s obsahem
- ŘEŠENÍ PROBLÉMŮ
- KNIHY
Hodnocené. / 5. Na základě hodnocení zákazníků
4-36
(SOURCE)
C3245
220pF
C3212
.018uF
2.2uF
R3251
2.2uF
C3255
C3233
C3244
220pF
C3215
2.2uF
2.2uF
C3227
C3213
100pF
47
R3203
A1
5
A2
4
A3
K1
1
K2
2
K3
3
6
6.2K
NU
D3201
100K
NU
R3262
R3227
C3232
.01uF.01uF
0.1uF
C3231
0.1uF
C3225
C3211
L3231
2.2uH
1K
1uF
R3222
1.5pF
C3224
23
XTAL1
XTAL2
24
C3263
21
VBPASS
47
VCP
VMULT1
15
14
VMULT2
12
VMULT3
11
VMULT4
VRO
13
25
WARP
35
PVREF
18
REFSEL
27
SFBASE
26
SFCAP
30
SFIN
28
SFOUT
37
TEST1
38
TEST2
17
NC1
29
NC2
31
NC3
44
PD_GND
PD_VDD
5
PREIN
32
33
PRE_GND
34
PRE_VDD
6
36
DVDD
19
FREFOUT
45
IADAPT
16
INDMULT
43
IOUT
LOCK
4
10
MODIN
41
MODOUT
20
AVDD
40
BIAS1
39
BIAS2
42
CCOMP
9
CEX
8
CLK
7
DATA
DGND
46
ADAPTSW
22
AGND
48
AUX1
1
AUX2
2
AUX3
3
AUX4
U3201
C3223
1uF
NU
C3221
.022uF
10uF
33K
NU
C3206
5V_VHF_FN_2
R3206
47K
NU
R3226
R3201
47
BWSELECT
C3210
2.2uF
C3251
0.1uF
NU
TP3202
1
220pF
100
C3243
R3223
C3202
.01uF
56pF
NU
150K
C3241
R3261
D3261
LOCK
5V
C3261
62pF
VCOBIAS_2_VHF_FN_1
C3209
0.1uF
.01uF
NU
CLK
C3235
C3207
22pF
NU
0.1uF
C3254
C3205
.01uF
MODIN_VHF_FN_1
BWSELECT_VHF_FN_1
C3203
.01uF
100
NU
C3234
.01uF
R3263
VCTRL_VHF_FN_1
9V3
2
FADJ
4
GND
3
OUT
1
VDD
VCOMOD
NU
Y3262
OSC_16.8MHZ
9V3_VHF_FN_1
R3228
47K
NU
L3232
NU
2.2uH
LOCK_VHF_FN_1
VCTRL
TRB
VSF
CSX
MODIN
C3242
220pF
R3252
330K
TRB_VHF_FN_1
VCOBIAS_1_VHF_FN_1
C3262
220pF
1
OUTPUT
2
SENSE
3
SHUTDOWN
16_8MHz
6
5V_TAP
5
ERROR
7
FEEDBACK
GND
4
8
INPUT
U3211
PRESC_VHF_FN_1
5V_VHF_FN_1
16_8MHz_VHF_FN_1
VCOMOD_VHF_FN_1
CSX_VHF_FN_1
VSF_VHF_FN_1
C3222
0.1uF
0
R3211
390nH
VCOBIAS_1
L3201
21
C3246
220pF
16.8MHz
Y3261
XTAL
C3253
4.7uF
VCOBIAS_2
TP3201
1
8.2pF
C3226
C3252
1000pF
R3242
R3241
0
DATA
100
R3204
47
0.1uF
C3208
CLK_VHF_FN_1
DATA_VHF_FN_1
VDDA
VDDA_VHF_FN_1
2.2uF
PRESC
C3214
R3221
1.8K
C3228
0.1uF
5V
VDDA
5V
VDDA
200k
FRACN
5V Reg
2.5 - 11VDC
5VDC (Locked)
0VDC (Unlocked)
4,95VDC (R)
0VDC (T)
4.52VDC (R)
2.62VDC (T)
0VDC (R)
4.91VDC (T)
+1dBm
13.30VDC
11.28VDC
6.83VDC
4.97VDC
1.1 - 4.1VDC
- 2 to +7dBm
3.63
VDC
5VDC
2.5VDC
5VDC
5VDC
0VDC
2.90VDC
3.42
VDC
Figure 4-22. VHF (136-174MHz) Fractal-N 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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