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时间:2011-04-19 08:04来源:蓝天飞行翻译 作者:航空
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 (1)  
Location Zones
 120 Main Equipment Center (RH Side)
 200 Upper Half of Fuselage


 (2)  
Access Panel
 119BL Main Equipment Center

 

 D.  Prepare for the Removal
 S 864-002
 (1) Open these circuit breakers and attach DO-NOT-CLOSE tags:
 (a)  On the right miscellaneous electrical equipment panel, P37: 1) 37A6, VIDEO SYSTEM (MAIN BUS) MONITOR FWD 2) 37A7, VIDEO SYSTEM (MAIN BUS) MONITOR AFT 3) 37A8, VIDEO SYSTEM (MAIN BUS) SYSTEM AC 4) 37C6, VIDEO SYSTEM (UTIL BUS) MONITOR FWD 5) 37C7, VIDEO SYSTEM (UTIL BUS) MONITOR AFT 6) 37C8, VIDEO SYSTEM (UTIL BUS) SYSTEM AC
 E.  Video Distribution Unit Removal
 S 014-013
 (1)  To get access to the VDU, remove the applicable sculptured ceiling panels (AMM 25-22-01/401).
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 23-32-09
 ú ú 01 Page 401 ú Jun 20/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757
MAINTENANCE MANUAL

VIDEO DISTRIBUTION UNITS

VIDEO DISTRIBUTION UNIT
(EXAMPLE)

Video Distribution Unit Installation
Figure 401

C32261
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 ú ú 02 Page 402 ú Dec 20/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 S 014-015
 (2)  
If it is necessary, remove the retractable or fixed video monitor (AMM 23-32-01/401 or AMM 23-32-02/401).

 S 034-004

 (3)  
Disconnect the electrical connectors from the video distribution unit.

 S 034-005

 (4)  
Loosen the four fasteners that attach the video distribtuion unit.

 S 024-006

 (5)  
Remove the video distribution unit.


 TASK 23-32-09-404-010
 3.  Video Distribution Unit Installation____________________________________
 A. General
 (1)  After VDU installation, additional tasks to install insulation blanket, sculptured ceiling panel and video monitor may be required.
 B. References
 (1)  
AMM 23-32-00/501, Passenger Entertainment (Video) System

 (2)  
AMM 25-22-01/401, Sculptured Ceiling Panels


 C. Access
 (1)  
Location Zones
 120 Main Equipment Center (RH Side)
 200 Upper Half of Fuselage


 (2)  
Access Panel
 119BL Main Equipment Center

 

 D. Video Distribution Unit Installation
 S 424-004
 (1)  
Put the video distribution unit in its usual position in the ceiling.

 (2)
Tighten the four fasteners to attach the video distribution unit.

 (3)
Connect the electrical connectors to the video distribution unit.


 S 434-005
 S 434-006
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 ú ú 01 Page 403 ú Jun 20/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

757 MAINTENANCE MANUAL
 E. Video Distribution Unit Installation Test
 S 864-008
 (1) Remove the DO-NOT-CLOSE tags and close these circuit breakers:
 (a)  On the right miscellaneous electrical equipment panel, P37: 1) 37A6, VIDEO SYSTEM (MAIN BUS) MONITOR FWD 2) 37A7, VIDEO SYSTEM (MAIN BUS) MONITOR AFT 3) 37A8, VIDEO SYSTEM (MAIN BUS) SYSTEM AC 4) 37C6, VIDEO SYSTEM (UTIL BUS) MONITOR FWD 5) 37C7, VIDEO SYSTEM (UTIL BUS) MONITOR AFT 6) 37C8, VIDEO SYSTEM (UTIL BUS) SYSTEM AC
 S 714-009
 (2) Do an operational test of the video system (AMM 23-32-00/501).
 (a) Make sure the installed unit operates correctly.
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