R425 R426 R216 FL701 R215 | Motorola 6816101H01-A specs

3-4	Hardware Tuning Setup and Procedure

4.Using the ceramic tool, adjust R425 to tune high power (refer to Figure 3-2).

R425

R426

R216

FL701

R215

Figure 3-2 Tuning Ports

2.3.2Low Power

1.Connect the radio to power meter.

2.Set the radio to the appropriate tuning frequency (refer to Table 3-1).

3.Key up the radio.

4.Using the ceramic tool, adjust R426 to tune low power (refer to Figure 3-2).

2.3.3Frequency Tuning

1.Set the radio to the appropriate tuning frequency (refer to Table 3-1).

2.Using the ceramic tool, adjust FL701 to tune the frequency (refer to Figure 3-2).

2.3.4Modulation Balancing

1.Set the radio to the appropriate tuning frequency (refer to Table 3-1).

2.On the test equipment, set the following configurations:

Audio bandwidth: 0.25Hz to 15,000Hz.

De-emphasis: Off

FM: Peak negative

3.Using the Audio Analyzer, inject a 0.3kHz tone to the radio through the test box.

4.Key up the radio.

Image 38

Motorola 6816101H01-A service manual R425 R426 R216 FL701 R215

Contents

Mag One by Motorola Radio Series Computer Software Copyrights Document History Page Safety Information Federal Communication Commission FCC Regulations Compliance with RF Exposure Standards Guidelines Electromagnetic Interference/Compatibility Other Medical Devices Operational WarningsHearing Aids Use of communication devices while driving Operational Cautions for Intrinsic Safe Equipment Operational CautionsIntrinsically Safe Radio Information Do Not Substitute Options or Accessories Repair Table of Contents Radio Programming Glossary of Terms Introduction Warranty and Service SupportWarranty Period and Return Instructions Scope of Manual Technical Support After Warranty PeriodPiece Parts Further Assistance From Motorola Radio Model Information Unit Level Radio Features CPS Cleaning Procedures MaintenancePreventive Maintenance Introduction Safe Handling of Cmos and Ldmos Devices Repair Procedures and Techniques General Disassembling and Reassembling the Radio General Front Cover from Chassis Disassembly Radio Disassembly DetailedRadio Disassembly Detailed Speaker Wire Radio Disassembly Detailed PC Board Reassembly Radio Reassembly DetailedPC Board Disassembly Chassis and Front Cover Reassembly Radio Reassembly Detailed Speaker Connector Reference Mechanical View and Parts ListExploded View and Parts List Part Name Qty Reference Part Name Qty Reference Part Name Qty PMNN4071RC PMUD2221A Description Application Service AidsMotorola Part Programming Cable PMDN4043R Motorola Description Characteristics ApplicationTest Equipment Cloning Cable PMDN4060R otes Test Box PMDN4040R Radio Tuning Hardware Tuning Setup and Procedure Tuning Frequency Ground Contact Finger R425 R426 R216 FL701 R215 TP1 Subtone Level 42 ± 0.02kHz 96 ± 0.02kHz R425 R426 C722 Page Radio Programming Programming Your Radio CPS Programming Kit Number Factory Reset CPS Programming Setup Factory Reset Accessories Publications Audio AccessoriesService Kits Model Description Model Chart and Test SpecificationVHF Band 1 Information 136-150 MHz A8 136-150 MHz VHF LAH84JDC8AA4AN Transmitter SpecificationsGeneral Receiver VHF Band 2 Information 150 174 MHz A8 150-174 MHz VHF LAH84KDC8AA4AN Specifications UHF Band 1 Information 403-425MHz A8 403-425 MHz UHF LAH84QCC8AA4AN UHF UHF Band 2 Information 450 470MHz A8 450-470 MHz UHF Specifications PMAE4028A UHF Band 4 Information 490 512 MHz A8 490-512 MHz UHFLAH84TCC8AA4AN Specifications Term Definition ResetGlossary of Terms PLL UHF ROMTPL VHF