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Section 9: Final Mechanical Assembly
In this section you’ll complete final assembly of the PR-101. This consists of: Final
mechanical Assembly
Final Mechanical Assembly
Figure 44-Install plastite screws (6) in the holes between the left and right channel input jacks
1. Turn all four controls fully counterclockwise. Push the following knobs on the
shafts, each with the indicator pointing to 7 O’clock:
a. Large knob for balance
b. Small knob for bass
c. Small knob for treble
d. Large knob for volume
2. Install the 6 plastite screws through the back panel of the PR-101 into the bodies
of the RCA jacks. Some pressure is required as these screws cut their own threads
into the plastic of the RCA jack body.
3. Spin the thumb-nut onto the ground screw on the back panel (near the option
slots).
Figure 45-Two of the three cover plates have been installed
4. Find the envelope with the three cover plates.
a. Install the cover plate for Exp Slot 1 using two 4-40x3/16” black oxide
screws.
b. Install the cover plate for Exp Slot 2 using two 4-40x3/16” black oxide
screws.
c. Install the cover plate for Exp Slot 3 using two 4-40x3/16” black oxide
screws.
5. Place the top on the preamp and secure it with 11 4-40x3/16” black oxide screws.
6. Your PR-101 preamp is ready for use.
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