technical manual for sailor compact hf ssb t2130 - Gopher Proxy

3 SERVICE T2130
3.5.3.9 TUNE MOTOR CONTROL
HIGH SPEED
Test set-up: Mode 1.
A: Connect a voltmeter (positive) at pin 7 at ST01, negative at pin 10 at ST01 on the Connection Board
(6).
B: Switch off and on the RE2100.
The tune motor is then being reset at high speed. The motor runs approx. 1.5 sec. Voltage is approx.
16 Volt.
LOW SPEED
Test set-up: Mode 1.
A: Enter SP-32-3 >ENT17.3 Volt.
B: Check the ‘Power fail output’ at pin 5 on U03 (MAX690). Voltage >4.5 Volt.
WATCH DOG
Test set-up: Mode 1.
A: Connect an oscilloscope to the ‘watch dog input’ at pin 6 on U03 (MAX690). (0.2 sec/div and 2 Volt/
div). Check that the level is shifted for every 0.8 sec. If it is not, then the microprocessor does not
execute the programme properly.
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