(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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757 MAINTENANCE MANUAL
 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
　
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