HYT TC-610 Service Manual

Name: HYT TC-610
Brand: HYT
Rating: 4 (1 reviews)

95 pages

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Table of Contents2
User Safety Information3
General3
- Manual Scope3
- Tc-6104
Radio Overview4
Tc-6205
Programmable Functions8
- Radio Modes9
- PC Programming Mode9
- Function Description9
Software Specifications9
- User Wired Clone Mode10
- Factory Wired Clone Mode10
- Wired Clone10
- Manual Adjustment Mode10
- Switch between Tx Adjustment Items and Rx Adjustment Items11
- Switch Among Tx/Rx Adjustment Items11
- Wide/Narrow Band Switch in an Adjustment Item11
- Frequency Switch in a Band of an Adjustment Item11
- Process on Several Special Items12
- Key Description12
- Vco13
- PLL Frequency Synthesizer13
- Pll13
Circuit Description13
- RF Power Amplifier Circuit (Tx Section)14
- Rx Amplifier and Mixer Circuit (Rx Section)14
- Diagram for RF Power Amplifier Circuit14
- Rx Amplifier (LNA) and RF Bandpass Network (BPF)14
- Mixer Circuit (MIXER) and if Bandpass Network (BPF)15
- Diagram for Mixer Circuit15
- Diagram for the Circuit15
- APC/TUNE Automatic Power Control Circuit15
- Audio and Signalling Process Circuit16
- Diagram for Tx Audio & Signalling Process16
- Diagram for Rx Audio & Signalling Process17
- MCU Control Section18
- Control Signal18
- Signal Detect18
- Power Management19
- Power Supply Process19
- Data Transmission and Process19
- VOX Realization20
CPU Pins21
TC-610/620 VHF Parts List 124
TC-610/620 UHF Parts List 139
- Diagram of Operation Key (Take TC-610 for Example)60
- Instrument60
- Preparation before Adjustment60
Adjustment Description60
- Description of Adjustment Items61
- Wide/Narrow Band Switch and Frequency Switch in an Adjustment Item61
- Adjustment Items62
- Specific Operations and Requirements62
- Tc-610/620 Uhf63
- Adjustments in the Adjustment Mode64
- Reference Software Values for TC-610/620 Source Radio69
- Reference Voltage Setting of Battery Power69
Troubleshooting Flow Chart70
- Attaching the Battery73
- Removing the Battery73
Disassembly and Assembly for Repair73
- Removing the Aluminum Chassis74
- Attaching the Aluminum Chassis75
- Removing the Antenna75
- Attaching the Antenna75
Exploded View76
TC-610/620 VHF/UHF Parts List 278
Packing80
TC-610/620 VHF PCB View81
TC-610/620 VHF PCB View Top Layer82
TC-610/620 UHF PCB View83
TC-610/620 UHF PCB View Top Layer84
TC-610/620 VHF/UHF Level Diagram85
TC-610/620 VHF Block Diagram86
TC-610/620 UHF Block Diagram87
TC-610/620 VHF Schematic Diagram88
TC-610/620 UHF Schematic Diagram91
Specifications94

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Questions and Answers:

J
John BrooksJul 26, 2025
What to do if HYT Two-Way Radio cannot power on?
- M
  Michaela RamirezJul 26, 2025
  If your HYT Two-Way Radio won't power on, it could be due to a depleted battery. Try recharging the battery or replacing it with a fully charged one. Also, ensure the battery is correctly installed by removing it and reinstalling it properly.