Motorola PM400 manuals

Owner’s manuals and user’s guides for Two-way radios Motorola PM400.
We providing 2 pdf manuals Motorola PM400 for download free by document types: Service Manual, User's Guide


Motorola PM400 Service Manual (350 pages)


Brand: Motorola | Category: Two-way radios | Size: 8.68 MB |

 

Table of contents

Foreword

3

Document Copyrights

3

Disclaimer

3

SAFETY INFORMATION

10

Chapter 1

12

INTRODUCTION

12

3.2 Motorola Online

13

3.3 Mail Orders

13

3.4 Telephone Orders

13

3.5 Fax Orders

13

4.0 Radio Model Information

14

1-4 INTRODUCTION

15

Chapter 2

16

MAINTENANCE

16

2-2 MAINTENANCE

17

2-4 MAINTENANCE

19

2-6 MAINTENANCE

21

2-8 MAINTENANCE

23

SERVICE AIDS

24

2.0 Test Equipment

25

OVERVIEW

30

1-2 OVERVIEW

31

2.3 Keypad Keys

33

2.6 Speaker

34

3.1 Power Supplies

35

3.2 SPI Interface

35

3.3 Keypad Keys

36

3.4 LCD Driver

36

3.7 Speaker

37

(see table on next page)

39

Key_Row Voltage TP402

40

2.1 Control Head Failure

41

SHOWN FROM SIDE 1

46

Control Head CM200 Schematic

47

Bottom Side

49

Top Side

49

UHF2, 1-25 W, 438-470 MHz

58

mP U403

90

OL 79B02969C76-O

97

OL 79B02969C78-O

97

SHOWN FROM SIDE 2

98

OL 79B02969C77-O

98

OL 79B02969C79-O

98

DC & AUDIO

100

SHEET 2 OF 8

102

73D02968C74-O

102

FRACN_63A27

103

SHEE 5 OF 8

104

TO SHEET 1

105

SHEET 6 OF 8

106

SHEET 7 OF 8

108

SHEET 8 OF 8

110

SHEET 3 OF 8

111

List 1-25 W

112

COMPARTMENT

123

Option Board

126

Keypad/Display

126

CM200/CM300/PM400

150

Computer Software Copyrights

151

Table of Contents

152

UHF2, 25-40 W, 438-470 MHz

156

2.0 Technical Specifications

157

Transmitter

158

Receiver

158

THEORY OF OPERATION

160

2.2 Receiver Back End

161

3.3 Final Stage

162

3.4 Directional Coupler

162

3.5 Antenna Switch

162

3.6 Harmonic Filter

163

3.7 Power Control

163

4.1 Reference Oscillator

163

4.2 Fractional-N Synthesizer

164

4.4 Synthesizer Operation

166

5.1 Radio Power Distribution

167

5.2 Protection Devices

169

5.3 Automatic On/Off

169

5.6 SBEP Serial Interface

171

2-14 THEORY OF OPERATION

173

7.0 Transmit Audio Circuits

174

2-16 THEORY OF OPERATION

175

8.1 Sub-Audio Data (PL/DPL)

176

8.2 High Speed Data

177

9.1 Squelch Detect

178

2-20 THEORY OF OPERATION

179

9.4 Handset Audio

180

10.2 Alert Tone Circuits

181

Chapter 3

182

TROUBLESHOOTING CHARTS

182

uP U403

188

3-8 TROUBLESHOOTING CHARTS

189

Chapter 4

192

Internal SPKR+ Jumper

197

MRF1513’s Thermal pad

199

LVFRACN Shield

201

VCOBIC Shield

202

FRONT-END SHIELD

203

MIXER SHIELD

203

IFAMP_DEC1

204

IFAMP_DEC2

204

AUDIOOUT

204

AUDIO_FEED

204

POWER SUPPLY

205

TO SHEET 2

208

UHF3, 25-40 W, 465-495 MHz

256

VCOBIC Shield

330

VCO Shield

330





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