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 4. Procedure
_________
 Subtask 23-51-00-710-057
 A. On one MCDU, get the SYSTEM REPORT/TEST COM menu page (Ref. TASK 31-32-00-860-003).
 Subtask 23-51-00-740-051-A
 B. Do the BITE test:
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the MCDU, on the COM menu  On the MCDU:
 page:
 - Push the line key adjacent to  - The AUDIO page comes into view.
 the AMU indication.
 2. On the AUDIO page:  - The TEST IN PROGRESS page comes into
 - Push the line key adjacent to  view (in some cases, during the test,
 the TEST AMU SELCAL CALL  the CALL lights flash two times on
 indication.  the ACPs).
 - After some seconds, this message
 comes into view on the MCDU:
 TEST
 SELCAL-CALL

 1EFF : 001-001, 051-052, 1 23-51-00Page 532 1 1 Aug 01/05 1 1 1CES 1

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------PART OF AMU
 NO FAULT SELCAL NO FAULT CALL
 3. On the MCDU:
 -Push the line key adjacent to
 the RETURN indication until the
 CFDS menu page comes into view.

 5. Close-up________
 Subtask 23-51-00-862-054
 A. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
 1EFF : 001-001, 051-052, 1 23-51-00Page 533 1 1 Aug 01/05 1 1 1CES 1 CONTROL PANEL - AUDIO (ACP) (2RN1,2RN2,2RN3,2RN4,2RN5) - REMOVAL/INSTALLATION

_____________________________________________________________________________
 TASK 23-51-12-000-001
 Removal of the Audio Control Panel (ACP) (2RN1, 2RN2, 2RN3, 2RN4, 2RN5)
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE  QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific  blanking caps
 No specific  circuit breaker(s) safety clip(s)
 B. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
23-51-12-991-001 Fig. 401
 3. Job Set-up
__________
 Subtask 23-51-12-865-050
 A. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU COM/AUDIO/ACP/F/O 5RN G07 49VU COM/AUDIO/ACP/CAPT 4RN G06 49VU LIGHTING/XFMR/115V.5V/ESS BUS 29LP H03
R  121VU COM NAV/ACP/THIRD/OCCPNT 6RN M02 122VU LIGHTING/ANN LT SPLY/XFMR/BUS 2 27LP X05 122VU LIGHTING/ANN LT SPLY/XFMR/BUS 1 26LP X04 122VU LIGHTING/ANN LT SPLY/XFMR/STAT INV 28LP X03 122VU LIGHTING/INSTL LT/MAIN INST/PNL AND/PED 4LF Y04 122VU LIGHTING/INSTL LT/OVHD/PNL 3LF Y03
 1EFF : ALL 1 23-51-12Page 401 1 1 Feb 01/02 1 1 1CES 1

 4. Procedure
_________
 (Ref. Fig. 401/TASK 23-51-12-991-001) Subtask 23-51-12-020-050
 A. Removal of the Audio Control Panel NOTE : This removal procedure is applicable to each audio control panel.
____
 (1)
 Loosen the Dzus fasteners (1) by a quarter turn.

 (2)
 Pull the audio control panel (2) from its housing.

 (3)
 Disconnect the electrical connector (4) from the receptacle (3).

 (4)
 Remove the audio control panel (2).

 (5)
 Put blanking caps on the electrical connector (4) and the receptacle (3).

 1EFF : ALL 1 23-51-12Page 402 1 1 Feb 01/99R 1 1 1CES 1

 Audio Control Panel (ACP)
 Figure 401/TASK 23-51-12-991-001
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1  1  Feb 01/98
 1  1
 1CES  1

 

 TASK 23-51-12-400-001
 Installation of the Audio Control Panel (ACP) (2RN1, 2RN2, 2RN3, 2RN4, 2RN5)
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Referenced Information
　
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