Adjustment Description; Diagram Of Operation Key (Take Tc-610 For Example); Instrument; Preparation Before Adjustment - HYT TC-610 Service Manual

Adjustment Description

Diagram of Operation Key (Take TC-610 for example)

Instrument

Radio Communication Test Set (HP8921)
10V/3A DC Regulated Power Supply
Digital Voltmeter
Ammeter

Preparation Before Adjustment

Put the board to be tested on the test clamp and turn the power on.
Note: Each test point must be in good contact with the clamp.
Adjustment Steps
Operations Before Adjustment
1. Adjustment of PCB Board
After program is downloaded onto the PCB board and EEPROM is initialized with the configuration file
(program is downloaded with the test frame and initialization can be done through the programming
software or wired clone), check relative specifications at each position. If adjustment is required, connect
the programming cable and enter the adjustment mode for PC adjustment
2. Adjustment of Radio Unit
1) Rotate to CH1. Power on the radio while holding down the PTT key and SK2 key for 2s at least.
TC-610/620 Service Manual
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1 set
1 set
1 set
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