(2)
Access Panel
119BL Main Equipment Center
C. Remove the Boarding Music Tape Reproducer
S 862-002
(1) Open this circuit breaker on the overhead circuit breaker panel, P11, and attach a DO-NOT-CLOSE tag:
(a) 11H34, TAPE REPRODUCER DC
S 862-050
(2) Open this circuit breaker on the right miscellaneous electrical equipment panel, P37, and attach a DO-NOT-CLOSE tag:
(a) 37E2, TAPE RPDR
S 022-052
(3) Remove the tape reproducer from shelf E4-4, in the main equipment center (Ref 20-10-01/401).
TASK 23-31-06-402-051
3. Install the Boarding Music Tape Reproducer__________________________________________
A. References
(1) 20-10-01/401, E/E Rack-Mounted Components
B. Access
(1) Location Zones
119/120 Main Equipment Center
211/212 Flight Compartment
221 Left Passenger Cabin - Section 41
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757 MAINTENANCE MANUAL
(2) Access Panel
119BL Main Equipment Center
C. Install the Boarding Music Tape Reproducer
S 862-005
(1)
Make sure the tape magazines are installed in the correct positions with the correct side turned out.
S 422-006
(2)
Install the tape reproducer on shelf E4-4, in the main equipment center (Ref 20-10-01/401).
S 862-008
(3)
Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P11 panel:
(a) 11H34, TAPE REPRODUCER DC
S 862-009
(4) Remove the DO-NOT-CLOSE tag and close this circuit breaker on the P37 panel:
(a) 37E2, TAPE RPDR
S 712-056
(5) Do the Test of the Boarding Music Tape Reproducer
(Ref 23-31-06/201).
(a) Make sure the installed unit operates.
TASK 23-31-06-712-049
4. Test of the Boarding Music Tape Reproducer__________________________________________
A. References
(1) 24-22-00/201, Electrical Power - Control
B. Access
(1) Location Zones
211 Flight Compartment (LH side)
221 Passenger Cabin (LH side)
C. Test of the Boarding Music Tape Reproducer
S 862-010
(1)
Supply electrical power (Ref 24-22-00/201).
S 862-011
(2)
Make sure this circuit breaker on the P11 panel is closed:
(a) 11C22, PASS ADRS AMPL
S 712-004
(3) Do these steps to do a test of the tape reproducer:
(a) Turn on the MUSIC control at the forward attendant panel, P21.
1) Make sure you hear the boarding music clearly.
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2) Make sure the sound level changes when you turn the MUSIC control.
S 862-058
(4)
Turn the MUSIC control to the OFF position.
S 862-012
(5)
Remove electrical power if it is not necessary (Ref 24-22-00/201).
TASK 23-31-06-002-013
5. Remove the Tape Magazine________________________
A. References
(1) 20-10-01/401, E/E Rack-Mounted Components
B. Access
(1)
Location Zone
120 Main Equipment Center (RH side)
(2)
Access Panel
119BL Main Equipment Center
C. Remove the Tape Magazine
S 032-017
(1)
Remove the tape reproducer (Ref 23-31-06/201).
S 012-018 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：757 AMM 飞机维护手册 COMMUNICATIONS 通讯(53)
