Page 1: ...ng procedures shown here when you want to install an optional unit or adjust the internal units etc e To see the RF IF and PLL units Remove 6 screws from the transceiver s top and 4 screws from the si...
Page 2: ...he IC 775 The IC 775DSP has a Tighten the 2 supplied screws as shown below DSP unit as standard Replace the top cover Install the DSP unit as follows Remove the top cover as described on the first pag...
Page 3: ...as shown below Speaker PA unit Tuner unit Remove the 16 screws to remove the internal shield cover of the regulator unit Unplug the cable as shown in the diagram below then connect it to the desired...
Page 4: ...p ional filter s in H set mode p 47 If this is not correctly set the installed filter s cannot be selected QA A AG Remove the top and bottom covers as described on the first page Insert the filter s t...
Page 5: ...4 Unsolder the 4 positions on the PLL unit where the CR 282 will be installed Install the CR 282 in the PLL unit paying attention to orientation Symbols on the bottom of the CR 282 must be identically...
Page 6: ...usual life of the backup battery is approximately 5 years When the backup battery is exhausted the trans ceiver transmits and receives normally but cannot retain operating conditions except for memor...