Sailor RT2048 VHF, Installation Manual

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3 SERVICE RT2048
3.7. REPLACEMENT OF COMPONENTS
When replacing transistors, diodes, resistors, capacitors and similar components you must use a small „pencil“
soldering iron of 30 to 75 Watt rating. The soldering must be performed rapidly to avoid overheating, and the use
of a tin sucker is recommended, as otherwise there is a risk that both the components and the printed circuit will
be spoiled.
3.8. REPLACEMENT OF MODULES
If a fault has been found in a module, it may often be worthwhile to replace it and then repair it later on.
3.9. NECESSARY ADJUSTMENTS AFTER REPLACEMENT OF MODULE
3.9.1. REPLACEMENT OF RX/TX UNIT
1. If a factory adjusted and tested module has to be inserted, just proceed with point 3.
2. Follow the procedure described in section 3.5.2. ADJUSTMENT OF RX/TX UNIT.
3. Follow the procedure Alignment of RX-filter control amplifier described in section 3.5.1. ADJUSTMENT OF
SYNTHESIZER UNIT.
3.9.2. REPLACEMENT OF SYNTHESIZER UNIT
1. If a factory adjusted and tested module has to be inserted, just proceed with point 3.
2. Follow the procedure described in section 3.5.1. ADJUSTMENT OF SYNTHESIZER UNIT.
3. Follow the procedure Alignment of RX-filter control amplifier described in session 3.5.1.
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