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Motorola HT750 Service Manual - Page 87

Specifications, MTX850/MTX8250 800 MHz, MTX950/MTX9250 900 MHz Radios

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Model Chart and Test Specifications 8-21 8.18 Specifications, MTX850/MTX8250 (800 MHz), MTX950/MTX9250 (900 MHz) Radios Specification Model Numbers: MTX850 MTX8250 MTX950 MTX9250 Frequency: Channel Capacity: MTX850/MTX950: MTX8250/MTX9250: Power Supply: Dimensions: H x W x D With NiMH High Capacity Battery: With NiMH Ultra-High Capacity Battery: With NiCd Battery: With LiIon Battery: Weight: With NiMH High Capacity Battery: With NiMH Ultra-High Capacity Battery: With NiCd Battery: With LiIon Battery: Average Battery Life @ 5-5-90 Duty Cycle*: With NiMH High Capacity Battery: With NiMH Ultra-High Capacity Battery: With NiCd Battery: With LiIon Battery: Sealing: Shock: Vibration: Dust: Humidity: * 5% receive, 5% transmit, 90% standby General 800 MHz 900 MHz AAH25UCC6GB3AN AAH25UCH6GB6AN AAH25WCC4GB3AN AAH25WCH4GB6AN 806-821, 851-866 MHz 896-902, 935-941 MHz 16 Trunked Talkgroups &Conventional Channels/9 Trunked Systems 160 Trunked Talkgroups & Conventional Channels Combined/15 Trunked Systems 7.5 Volts 5.40 in. x 2.26 in. x 1.50 in. (137mm x 57.5 mm x 37.5mm) 5.40 in. x 2.26 in. x 1.60 in. (137mm x 57.5 mm x 40mm) 5.40 in. x 2.26 in. x 1.60 in. (137mm x 57.5 mm x 40mm) 5.40 in. x 2.26 in. x 1.30 in. (137mm x 57.5 mm x 33mm) Low Power 9 hours 14 hours 9 hours 9 hours 15.0 ounces (420 grams) 17.5 ounces (500 grams) 15.8 ounces (450 grams) 12.5 ounce (350 grams) High Power 8 hours 11 hours 8 hours 8 hours Passes rain testing per IP54 Meets MIL-STD-810-C,D & E and TIA/EIA 603 Meets MIL-STD-810-C,D & E and TIA/EIA 603 Meets MIL-STD-810-C,D & E and IP54 Meets MIL-STD-810-C,D & E and TIA/EIA 603

Section	Page
Foreword	2
Product Safety and RF Exposure Compliance	2
Computer Software Copyrights	2
Document Copyrights	2
Disclaimer	2
Trademarks	2
Table of Contents	3
Foreword ii	3
List of Figures ix	3
List of Tables xi	3
Introduction 1-1	3
Intrinsically Safe Radio Information 2-1	3
Maintenance 3-1	3
Transceiver Performance Testing 4-1	5
Radio Tuning, Programming, Cloning, Lowband Antenna Cutting Procedure, PassPort Tone Options, and...	5
Power Up Self-Test 6-1	5
Accessories 7-1	6
Model Chart and Test Specifications 8-1	6
Glossary Glossary-1	7
List of Figures	9
List of Tables	11
Chapter 1	13
Introduction	13
1.1 Scope of Manual	13
1.2 Warranty and Service Support	13
1.2.1 Warranty Period and Return Instructions	13
1.2.2 After Warranty Period	13
1.3 Radio Model Information	16
Chapter 2	17
Intrinsically Safe Radio Information	17
2.1 FMRC Approved Equipment	17
2.2 Repair of FMRC Approved Products	18
2.2.1 Repair	18
2.2.2 Relabeling	18
2.2.3 Do Not Substitute Options or Accessories	19
Chapter 3	21
Maintenance	21
3.1 Introduction	21
3.2 Preventive Maintenance	21
3.2.1 Inspection	21
3.2.2 Cleaning Procedures	21
3.3 Safe Handling of CMOS and LDMOS Devices	22
3.4 Repair Procedures and Techniques — General	22
3.5 Disassembling and Reassembling the Radio — General	23
3.6 Detailed Radio Disassembly	24
3.6.1 Front Cover from Chassis Disassembly	24
3.6.2 Chassis Assembly/Disassembly	26
3.6.3 Keypad, Display, and Keypad/PassPort/Option Board Disassembly	26
3.6.4 Speaker, Microphone, and Universal Connector Flex Disassembly	28
3.6.5 PTT Disassembly	29
3.6.6 Control Top Disassembly	29
3.7 Detailed Radio Reassembly	30
3.7.1 Control Top Reassembly	30
3.7.2 PTT Reassembly	30
3.7.3 Speaker, Microphone, and Universal Connector Flex Reassembly	30
3.7.4 Keypad, Display, and Keypad/PassPort/Option Board Reassembly	30
3.7.5 Chassis Assembly Reassembly	31
3.7.6 Chassis and Front Cover Reassembly	31
3.7.7 DTMF Retrofit Kit Procedure (Optional Upgrade Procedure)	32
3.7.8 Option Board Installation	33
3.8 HT750 Radio Exploded Mechanical View and Parts List	37
3.10 Test Equipment	38
3.11 Configuring and Wiring the Programming/Test Cable	39
Chapter 4	41
Transceiver Performance Testing	41
4.1 General	41
4.2 RF Test Mode	41
4.3 Test Frequencies for Display and Non-Display Radios	46
4.4 Receiver Performance Tests	47
Chapter 5	49
Radio Tuning, Programming, Cloning, Lowband Antenna Cutting Procedure, PassPort Tone Options, and...	49
5.1 Introduction	49
5.2 Global Radio Tuning Setup	50
5.2.1 Initial Test Equipment Setup	50
5.3 CPS Programming Setup	51
5.4 Cloning (Conventional and LTR)	51
5.4.1 Error Codes (Display Radios Only)	52
5.5 Cloning (Privacy Plus)	52
5.6 Cloning (PassPort)	53
5.7 Lowband Molded Antenna Cut Chart	54
5.8 HT1250•LS+ PassPort Tone Options	55
5.9 HT1250•LS+ Special Diagnostic Functions	55
Chapter 6	57
Power Up Self-Test	57
6.1 Error Codes - Conventional and LTR Radios	57
6.2 Error Codes - Privacy Plus	58
6.3 Error Codes - PassPort	59
6.4 Operation Display Codes	59
Chapter 7	61
Accessories	61
7.1 HT750/HT1250/HT1250•LS/HT1250•LS+/HT1550•XLS/MTX850/ MTX950/MTX850•LS/MTX8250/MTX9250/MTX8250...	61
7.1.1 Antennas	61
7.1.2 Carrying Accessories	62
7.1.3 Carry Cases	62
7.1.4 Chargers	63
7.1.5 Vehicular Accessories	63
7.1.6 Batteries	63
7.1.7 Adapters	63
7.1.8 Miscellaneous	63
7.1.9 Service Aids	64
7.1.10 Audio Accessories	64
7.1.11 Option Boards* (All option boards below are not compatible with HT1550•XLS)	65
7.1.12 Remote Speaker Microphones	65
7.1.13 Manuals	65
7.1.14 Retrofit Front Cover Kits	65
Chapter 8	67
Model Chart and Test Specifications	67
8.1 UHF 403–470 MHz (Conventional)	67
8.2 UHF 450–512 MHz (Conventional)	68
8.3 UHF 403–470 MHz (LTR and PassPort)	69
8.4 UHF 450–512 MHz (LTR and PassPort)	70
8.5 UHF 403–470 MHz (Conventional/LTR)	71
8.6 UHF 450–512 MHz (Conventional/LTR)	72
8.7 VHF 136–174 MHz	73
8.8 VHF 136–174 MHz (Conventional/LTR)	74
8.9 VHF, 136–174 MHz (LTR & PassPort)	75
8.10 LowBand 29.7–42/35–50 MHz	76
8.11 800 MHz (LTR)	77
8.12 800 MHz (Privacy Plus)	77
8.13 900 MHz (Privacy Plus)	78
8.14 Specifications, HT750 Radio	79
8.15 Specifications, HT1250 Radio	81
8.16 Specifications, HT1250•LS+ Radio	83
8.17 Specifications, HT1550•XLS Radio	85
8.18 Specifications, MTX850/MTX8250 (800 MHz), MTX950/MTX9250 (900 MHz) Radios	87
8.19 Specifications, MTX850•LS and MTX8250•LS (800 MHz) Radios	89