Motorola 6816101H01-A service manual Hardware Tuning Setup and Procedure, Tuning Frequency

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3-2	Hardware Tuning Setup and Procedure

2.0Hardware Tuning Setup and Procedure

2.1Tuning Frequency

Table 3-1 Frequencies Used for Tuning.

	Band	Tuning Parameter	Frequency (MHz)
		PLL Synthesizer	149.975
		Transmitter	136.025
	VHF 136 - 150 MHz	Receiver	136.025
	VHF 136 - 150 MHz	Modulation Balance	136.025 (N band)
		Modulation Balance	136.025 (N band)
		Sub-Tone Modulation	149.975 (S band)
		Maximum Modulation	149.975 (S band)
		PLL Synthesizer	173.975
		Transmitter	150.025
	VHF 150 - 174 MHz	Receiver	150.025
	VHF 150 - 174 MHz	Modulation Balance	150.025 (N band)
		Modulation Balance	150.025 (N band)
		Sub-Tone Modulation	173.975 (S band)
		Maximum Modulation	173.975 (S band)
		PLL Synthesizer	424.975
		Transmitter	403.025
	UHF 403 - 425 MHz	Receiver	403.025
	UHF 403 - 425 MHz	Modulation Balance	424.975(N band)
		Modulation Balance	424.975(N band)
		Sub-Tone Modulation	403.025(N band)
		Maximum Modulation	403.025(N band)
		PLL Synthesizer	469.975
		Transmitter	450.025
	UHF 450 - 470 MHz	Receiver	450.025
	UHF 450 - 470 MHz	Modulation Balance	469.975(N band)
		Modulation Balance	469.975(N band)
		Sub-Tone Modulation	450.025(N band)
		Maximum Modulation	450.025(N band)

2.2Preparation Before Tuning (refer to Figure 3-1)

1.Set Power Supply to 7.5V and then connect to the radio.

2.Connect the connector and ground plate to the radio antenna port.

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Contents Mag One by Motorola Radio Series Computer Software Copyrights Document History Page Safety Information Federal Communication Commission FCC RegulationsCompliance with RF Exposure Standards GuidelinesElectromagnetic Interference/Compatibility Operational Warnings Hearing AidsOther Medical Devices Use of communication devices while drivingOperational Cautions Intrinsically Safe Radio InformationOperational Cautions for Intrinsic Safe Equipment Do Not Substitute Options or Accessories RepairTable of Contents Radio Programming Glossary of TermsWarranty and Service Support Warranty Period and Return InstructionsIntroduction Scope of ManualAfter Warranty Period Piece PartsTechnical Support Further Assistance From MotorolaRadio Model Information Unit LevelRadio Features CPSMaintenance Preventive MaintenanceCleaning Procedures IntroductionSafe Handling of Cmos and Ldmos Devices Repair Procedures and Techniques General Disassembling and Reassembling the Radio General Radio Disassembly Detailed Radio Disassembly DetailedFront Cover from Chassis Disassembly Speaker Wire Radio Disassembly Detailed Radio Reassembly Detailed PC Board DisassemblyPC Board Reassembly Chassis and Front Cover Reassembly Radio Reassembly Detailed Speaker Connector Mechanical View and Parts List Exploded View and Parts ListReference Part Name QtyReference Part Name Qty Reference Part Name Qty PMNN4071RC PMUD2221AService Aids Motorola PartDescription Application Motorola Description Characteristics Application Test EquipmentProgramming Cable PMDN4043R Cloning Cable PMDN4060R otes Test Box PMDN4040RRadio Tuning Hardware Tuning Setup and Procedure Tuning FrequencyGround Contact Finger R425 R426 R216 FL701 R215 TP1 Subtone Level 42 ± 0.02kHz 96 ± 0.02kHz R425 R426 C722 Page Radio Programming Programming Your RadioCPS Programming Kit NumberFactory Reset CPS Programming SetupFactory Reset Accessories Audio Accessories Service KitsPublications Model Chart and Test Specification VHF Band 1 Information 136-150 MHz A8 136-150 MHz VHFModel Description LAH84JDC8AA4ANSpecifications GeneralTransmitter ReceiverVHF Band 2 Information 150 174 MHz A8 150-174 MHz VHF LAH84KDC8AA4ANSpecifications UHF Band 1 Information 403-425MHz A8 403-425 MHz UHF LAH84QCC8AA4ANUHF UHF Band 2 Information 450 470MHz A8 450-470 MHz UHF Specifications UHF Band 4 Information 490 512 MHz A8 490-512 MHz UHF LAH84TCC8AA4ANPMAE4028A Specifications Reset Glossary of TermsTerm Definition PLLROM TPLUHF VHF