757 MAINTENANCE MANUAL
D. Video Tape Reproducer Removal
S 024-091
(1)
GUN 102-199; Remove the video tape reproducer (Ref 20-10-01/401).
S 024-087
(2)
GUN 008-101; Do these steps at the video control center to remove the VTR.
(a)
Remove 2 screws along the front edge of the VTR adapter plate.
(b)
Lift the front of the VTR a little, and pull forward to release the tab from the slot near the rear of the unit.
(c)
Remove the electrical connectors from the rear of the unit.
(d)
Remove the VTR from the video control center.
(e)
Remove the adapter plate from the bottom of the VTR (4 screws).
(f)
Keep the adapter plate, and hardware, to install the unit later.
TASK 23-32-04-424-025
3. Video Tape Reproducer Installation__________________________________(Fig. 401)
A. References
(1) 20-10-01/401, E/E Rack-Mounted Components
B. Access
(1) Location Zone
252 Passenger Cabin - section 46 (Right)
C. Video Tape Reproducer Installation
S 424-089
(1)
GUN 102-199; Install the video tape reproducer (Ref 20-10-01/401).
S 424-101
(2)
GUN 008-101; Do these steps to install the video tape reproducer.
(a)
Attach the adapter plate on the bottom of the VTR (4 screws).
(b)
Put the VTR on the shelf of the video control center.
(c)
Attach the electrical connectors on the rear of the VTR.
(d)
Move the VTR back into the usual position on the shelf.
(e)
Lift the front of the VTR a little, and move it until the adapter plate tab behind the VTR catches the slot in the shelf.
(f)
Install 2 screws along the front edge of the adapter plate.
D. Video Tape Reproducer Installation Test
S 864-046
(1) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the overhead circuit breaker panel, P11:
(a) 11H30, VIDEO SYS DC
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S 864-047
(2) Remove the DO-NOT-CLOSE tags and close these circuit breakers on the P37 panel:
(a)
37A6, VIDEO SYSTEM (MAIN BUS) MONITOR FWD
(b)
37A7, VIDEO SYSTEM (MAIN BUS) MONITOR AFT
(c)
37A8, VIDEO SYSTEM (MAIN BUS) SYSTEM AC
(d)
37C6, VIDEO SYSTEM (UTIL BUS) MONITOR FWD
(e)
37C7, VIDEO SYSTEM (UTIL BUS) MONITOR AFT
(f)
37C8, VIDEO SYSTEM (UTIL BUS) SYSTEM AC
S 714-089
(3) Do an operational test of the video system (Ref 23-32-00/501).
(a) Make sure the installed unit operates.
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VIDEO DISTRIBUTION UNIT - REMOVAL/INSTALLATION
______________________________________________
1. General
_______
A. This procedure has two tasks. The first task removes the video distribution unit (VDU). The second task installs the VDU and does a test of the installation.
TASK 23-32-09-024-001
2. Video Distribution Unit Removal
_______________________________
A. General
(1) Access to the VDU may require removal of a video monitor, a sculptured ceiling panel and an insulation blanket. Refer to the Wiring Diagram Manual (WDM) 23-32-XX for VDU quantity, location and equipment number.
B. References
(1) AMM 25-22-01/401, Sculptured Ceiling Panels
C. Access
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