TC-610P Service Manual
72
Adjustment Description
Required Test Instruments:
Communication Test Set (HP8921)
1 set
10V/3A regulated DC power supply
1 set
Digital Voltmeter
1 set
Ammeter
1 set
Preparation
Place the board to be tested on the test fixture (please ensure good connection between each test
point and the fixture), and connect the board to a power supply.
Adjustment Procedures
1. Operations before Adjustment
1
）
PCB adjustment:
Before the PCB arrives each work station for specification inspection, programs must be
programmed and EEPROM must be initialized by the profiles (recording with test framework /
initializing with programming software or by wired clone). If any adjustment is required, connect the
programming cable, and perform PC adjustment in the adjustment mode.
2
）
Radio Tuning
a)
Rotate the
Channel Selector Knob
to channel 1, and turn on the radio with
PTT
and
SK2
held
down for above 2 seconds. Then the LED glows orange to indicate that the radio enters
Adjustment Mode. After you release the keys, the radio entersTuning Mode and goes to an item
in Tx Group (preset power). At this time, red LED glows. Then adjust the parameters as
described below.
b)
Or you may connect the programming cable to the radio for real-time adjustment through PC.
