Broadcast Electronics 3000 Series - Pressure Roller Replacement; Power Transformer Replacement; Tape Head Replacement; Solenoid Replacement

I NOTE
REPLACEMENT MOTORS ARE SUPPLIED WITH THE LEADS
TERMINATED IN THE PROPER CONNECTOR. THIS WIRING
IS SHOWN IN SECTION VI, MOTOR WIRING AND TRANS-
FORMER DIAGRAM.
5-29. PRESSURE ROLLER REPLACEMENT
Manually raise the pressure roller above the deck surface by
pushing in the solenoid plunger. Remove the E ring, teflon washer, and
pressure roller. Perform the deck adjustments described in paragraph
5-35.
Fit on the replacement roller with the teflon washer on top.
Secure with the E ring.
5-30. POWER TRANSFORMER REPLACEMENT
Disconnect the ac power cord. Remove the top and bottom covers.
Unplug the power transformer from the Power Supply printed circuit board.
Remove the four screws which mount the transformer to the side of the
chassis.
Install the replacement transformer and secure the four screws
with
LOCTITE or similar compound. Plug the transformer leads into the
Power Supply Board. Replace the covers and reconnect the ac power cord.
I NOTE I
REPLACEMENT TRANSFORMERS ARE SUPPLIED WITH THE
LEADS TERMINATED IN THE PROPER CONNECTOR. THIS
WIRING IS SHOWN IN FIGURE 5-1.
5-31.
TAPE HEAD REPLACEMENT
Refer to Drawing [)906-3122
To replace either the playback or record head, disconnect the
ac power and open the top cover. Remove the cartridge spring. Remove the
clamp screw(s) and withdraw the head from the clamp. Unplug the head and
connect the replacement head. Insert the head in the clamp and replace the
clamp screw(s). Reconnect the ac power. Referring to paragraph 5-38, check
the tracking
and zenith adjustments, perform the azimuth adjustment. When
these are accomplished, reinstall the cartridge spring, degauss head before using.
5-32.
SOLENOID REPLACEMENT
Refer to Drawing 0906-3122
30