Motorola PRO2150 Service Manual Page 129
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- Table of contents
- TROUBLESHOOTING
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99R85452E01-O August 30, 2002
Glossary-3
Minimum
Frequency
The lowest frequency setting at which the radio is allowed to operate.
The radio’s frequency range is defined as being between, or equal to,
the Minimum and Maximum frequencies. This information is stored in
the radio’s codeplug.
Model Number The model number identifies the type of radio. This information is stored
in the radio’s codeplug.
Normal Scan For Normal Scan, the radio assigns equal priority to all members in the
Scan List selected for the current channel. When the radio is scanning a
Scan List (Active Scan), all scan list members (including the Home
Channel) will be allocated equal time to be scanned. For example, if the
Home Channel is H1, and the Scan List Members are Nn, then the scan-
ning sequence is: N1, N2, N3, ..., H1, N1, N2, ..., etc.
Offset Frequency If Tx Offset is set to Positive, this frequency will be added to the VFO Rx
Frequency when radio is transmitting. It will be subtracted from the VFO
Rx Frequency if Tx Offset is set to Negative.
Original Codeplug
Version
The first version number of codeplug information that was loaded into
the radio. This is stored in the radio’s codeplug.
PC Board Printed Circuit Board.
Phone Access
Code
The 16 digit Access Code for establishing connection to a telephone line
and subsequent dial tone.
Phone De-access
Code
The 16 digit De-access Code for disconnecting from a phone call.
Phone List A list of phone numbers (up to nine phone numbers) that can be prepro-
grammed into the radios. Each phone number can contain 16 characters
made up by alphabets (A, B, C, D), numbers (0-9), spaces, “#” and “*”.
PL Private-Line® tone squelch: a continuous sub-audible tone that is trans-
mitted along with the carrier.
PLL Phase-Locked Loop: a circuit in which an oscillator is kept in phase with
a reference, usually after passing through a frequency divider.
Pretime Selects the amount of time between PTT button press and the first digit
of ID transmission. This time allows the receiving radio to stabilize
before receiving data.
Priority Scan For Priority Scan, the radio assigns the highest priority to the first mem-
ber in the Scan List selected for the current channel. When the radio is
scanning a Scan List (Active Scan), 50% of the scans are targeted at the
Priority #1 Member channel. For example, if the Priority #1 Member is
P1, and the non-priority Scan List Members are Nn, then the scanning
sequence is: P1, N1, P1, N2, P1, N3, P1, N4, P1, N5, etc.
Term Definition
- Portable Radio 1
- Table of Contents i 3
- Table of Contents iii 5
- ATTENTION! 7
- Chapter 1 Introduction 9
- 1.2.3 Piece Parts 10
- 1.2.4 Technical Support 10
- 1.2.5 Parts Identification 10
- 1.3 Radio Model Information 11
- 1.4 Radio Features 12
- CPS User 13
- Introduction 14
- : Radio Features 14
- Chapter 2 Maintenance 15
- 2.4.2 Rigid Circuit Boards 16
- 2.4.3 Flexible Circuits 17
- 2.4.4 Chip Components 17
- 2.4.5 Shields 18
- See Figure 2-1 19
- See Figure 2-2 19
- Figure 2-2 19
- See Figure 2-3 20
- See Figure 2-4 20
- 2.6.3 RF Board Disassembly 21
- 2.7.1 RF Board Reassembly 22
- See Figure 2-9 23
- See Figure 2-10 23
- See Figure 2-11 23
- Figure 2-12 24
- See Figure 24
- See Figure 2-15 24
- 12. Attach the battery 25
- Figure 2-15 25
- Figure 2-16 26
- Description 27
- 2.9 Service Aids 28
- 2.10 Test Equipment 29
- Figure 2-17 30
- Figure 2-18 30
- 2.12 IF Test Box (DSK001C702) 31
- Maintenance 32
- : IF Test Box (DSK001C702) 32
- Chapter 3 Radio Tuning 33
- Figure 3-3 34
- 3.4.1 Audio Modulation Tuning 35
- 3.4.3 Tuning Frequency 36
- Chapter 4 Radio Programming 37
- 4.3 CPS Programming 38
- 4.4 Programming 39
- 4.4.2 DPL Codes 40
- 4.4.3 Examples 40
- Radio Programming 41
- : Programming 4-5 41
- : Programming 42
- Chapter 5 Error Code Displays 43
- Error Code Displays 44
- : Error Codes 44
- Chapter 6 Accessories 45
- 6.7 Manuals 46
- 6.8 Software 46
- 7.1 Model Chart 47
- 7.2 Specifications 48
- 7.3 Theory of Operation 49
- 7.3.4 CPU / Control Section 50
- 7.3.6 Transmitter Section 51
- 7.3.7 Receiver Section 52
- 7.3.8 Battery Section 53
- 7.4 Block Diagrams 54
- 7.4.2 Controller 55
- 7.4.3 VCO 55
- 7.4.4 Transmitter 56
- 7.4.5 Receiver 56
- 7.5 Troubleshooting Charts 57
- Troubleshooting Flow Chart 58
- VHF Band Information 62
- : Troubleshooting Charts 62
- Top Side Bottom Side 64
- 8.1 Model Charts 79
- Model Description 80
- 8.2 Specifications 81
- 8.3 Theory of Operation 82
- 8.3.4 CPU / Control Section 83
- 8.3.6 Transmitter Section 84
- 8.3.7 Receiver Section 85
- 8.3.8 Battery Section 86
- 8.4 Block Diagrams 87
- 8.4.2 Controller 88
- 8.4.3 VCO 88
- 8.4.4 Transmitter 89
- 8.4.5 Receiver 89
- 8.5 Troubleshooting Charts 90
- August 30, 2002 99R85452E01-O 100
- 99R85452E01-O August 30, 2002 101
- Top Side 112
- Bottom Side 112
- 22p(R2) 56p(R1) 116
- 680K(R2) 1.5M(R1) 116
- 150K(R2)330k(R1) 116
- Glossary of Terms Glossary 127
- Glossary-2 128
- Original Codeplug 129
- Glossary-4 130
- Glossary-5 131
- Glossary-6 132
- Glossary-7 133
- Glossary-8 134
- *9985452E01* 136
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