Sailor RE2100 Technical Manual page 88

3 SERVICE
PROCESSOR UNIT (MODULE 5)
After a Change or Repair of the Module
Execute 3.5.1.1. and 3.5.1.2. Performance Check of Display and Keyboard.
Execute 3.5.2.4. Performance Check of Receiver Clarifier and Frequency, and 3.5.3.2. Performance
Check of Exciter Frequencies and Classes of Emission.
KEYBOARD UNIT (MODULE 6)
After a Change or Repair of the Module
Execute 3.5.1.2. Performance Check of Keyboard.
DISPLAY UNIT (MODULE 7)
After a Change or Repair of the Module
Execeute 3.5.1.1. Performance Check of Display.
POWER UNIT (MODULE 8)
After a Change of the Module
Execute 3.5.3. PERFORMANCE CHECK OF EXCITER.
Repair of +5V Regulator
Execute 3.7.4.1. Adjustment of +5V.
Repair of the Other Voltage Regulators
Execute 3.6.8.1. Check of Voltage Regulators.
Repair in RF Amplifier and Filter
Execute 3.7.4.2. Adjustment of RF Output Level, and 3.6.8.2. Check of RF Amplifier and Filter
3.9 FUNCTION CHECK
The function check is a simple test to ensure that the RE2100 is working properly after installation.
The function check must always be carried out after a repair of the RE2100.
Any repair of the RE2100 must be followed by a performance check, and after reinstallation a function
check must be carried out in order to make sure that the fault has been repaired and that the RE2100 is
working correctly together with the installed transmitter T2130 and aerial coupler AT2110.
1. Turn on the VOL-OFF switch and control that noise is heard in the loudspeaker and the display is
alight.
2. Press the keyboard buttons 0 and 1 simultaneously.
3. Select the test programme SP-00-2.
4. Control that all the leds in the display are activated, the mode indicating light emitting diodes are
toggled, and the three light emitting diodes, indicating the power level, are alight.
5. Press the RF-GAIN control fully counter clockwise and control that all the light emitting diodes in
the signal meter are alight.
7. Key-in a known broadcast station in the frequency range 100 - 384 kHz.
8. Notice that the detected AF signal is heard from the loudspeaker and from the handset earpiece
without distortion.
PAGE 3-58
RE2100