Motorola Commercial Series Basic Service Manual page 8

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5.3 Radio Tuning Setup ....................................................................................................................... 5-2
5.3.1 Initial Test Equipment Control Settings............................................................................. 5-3
5.4 Transmitter Alignment Options ...................................................................................................... 5-3
5.4.1 Reference Oscillator Warp ................................................................................................ 5-3
5.4.2 Modulation Balance Attenuation ....................................................................................... 5-4
5.4.3 Transmit Power Tuning ..................................................................................................... 5-5
5.4.3.1
5.4.3.2
5.4.4 VCO Attenuation ............................................................................................................... 5-8
5.4.4.1
5.4.4.2
5.4.4.3
5.4.5 DTMF Deviation Tuning .................................................................................................. 5-10
5.4.6 MDC1200 Deviation Tuning (MDC radios only) .............................................................. 5-11
5.5 Receiver Tuning........................................................................................................................... 5-11
5.5.1 Rated Volume Tuning ..................................................................................................... 5-12
5.5.2 Squelch Tuning ............................................................................................................... 5-13
5.5.2.1
5.5.2.2
5.5.3 RSSI System Level Tuning ............................................................................................. 5-14
5.5.4 RSSI Display Tuning ....................................................................................................... 5-15
5.6 Utilities ......................................................................................................................................... 5-15
5.6.1 Program Serial No. ......................................................................................................... 5-15
5.6.2 Temp Comp Data Read .................................................................................................. 5-15
5.6.3 Temp Comp Data Write .................................................................................................. 5-15
5.7 Radio-to-Radio Cloning................................................................................................................ 5-15
Chapter 6 Full Keypad Model Disassembly and Re-assembly......... 6-1
6.1 Introduction .................................................................................................................................... 6-1
6.2 Preventive Maintenance ................................................................................................................ 6-1
6.2.1 Inspection.......................................................................................................................... 6-1
6.2.2 Cleaning Procedures ........................................................................................................ 6-1
6.3 Safe Handling of CMOS and LDMOS Devices .............................................................................. 6-2
6.4 Disassembling and Re-assembling the Radio - General............................................................. 6-3
6.4.1 Radio Disassembly - Detailed ........................................................................................ 6-3
6.4.1.1
6.4.1.2
6.4.1.3
6.4.1.4
6.4.1.5
6.4.1.6
6.4.2 Radio Re-assembly - Detailed .......................................................................................... 6-9
December, 2009
To Perform Transmit High Power Tuning, do the following: .............................. 5-7
To Perform Transmit Low Power Tuning, do the following: - ............................. 5-7
VCO Attenuation 25 kHz.................................................................................... 5-9
VCO Attenuation 12.5 kHz................................................................................. 5-9
VCO Attenuation 20 kHz.................................................................................... 5-9
Manual Squelch Tuning ................................................................................... 5-13
Auto Tune ........................................................................................................ 5-14
Front Cover From Chassis Disassembly ........................................................... 6-3
Dust Cover Disassembly.................................................................................... 6-6
Speaker and Microphone Disassembly ............................................................. 6-6
Keyboard Removal ............................................................................................ 6-7
PTT Disassembly............................................................................................... 6-7
Chassis Disassembly......................................................................................... 6-8
Table of Contents
68009328001-A