__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
23-73-00-740-003  BITE Test of the Cabin Intercommunication Data System (CIDS) through the PTP 24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 23-73-12-991-003 Fig. 402
 3. Job Set-up
__________ Subtask 23-73-12-861-055
 A. Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002)
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 Subtask 23-73-12-865-057
 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
R  **ON A/C 001-049, 051-061, 101-105, 201-203,
R  121VU COM NAV/CIDS/FWD ATTND/PNL **ON A/C 062-099, 204-299,  170RH  M14 
R R  121VU COM NAV/CIDS/FWD ATTND/PNL **ON A/C 151-199,  170RH  Q14 
R R  121VU COM /CIDS/FLT ATTND/PNL **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 170RH  Q14 
4. Procedure_________
 (Ref. Fig. 402/TASK 23-73-12-991-003) Subtask 23-73-12-420-053
 A. Installation of the light module (1) Clean the component interface and/or the adjacent area. (2) Do an inspection of the component interface and/or the adjacent area. (3) Connect the electrical connection (5). (4) Carefully install the light module (4). (5) Tighten the quick release fasteners (3). (6) Make sure that the work area is clean and clear of tool(s) and other items. 

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 (7) Carefully close the Fwd Attendant Panel (FAP) door (2). Make sure that you hear a click when the door (2) locks in position.
 Subtask 23-73-12-865-058
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 170RH.
 Subtask 23-73-12-740-052
 C. Do the BITE test of the Cabin Intercommunication Data System (CIDS). (Ref. TASK 23-73-00-740-003)
 5. Close-up
________ Subtask 23-73-12-862-052
 A. De-energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-862-002).

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 TASK 23-73-12-000-004 Removal of the Audio Module
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific  circuit breaker(s) safety clip(s)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
23-73-00-861-001  Energize the Cabin Intercommunication Data System (CIDS) 24-42-00-861-001 Energize the Ground Service Network from the External Power 31-32-00-860-003 Procedure to Get Access to the SYSTEM REPORT/TEST/COM Page 23-73-12-991-004 Fig. 403
 3. Job Set-up
__________ Subtask 23-73-12-861-056
 A. Energize the ground service network
 (Ref. TASK 24-42-00-861-001).

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 Subtask 23-73-12-970-053
 B. Trouble Shooting Data
 (1) Make sure that the Cabin Intercommunication Data System (CIDS) is energized (Ref. TASK 23-73-00-861-001)
 (2) If available, you can print the Trouble Shooting Data (TSD) as follows: - get access to the SYSTEM REPORT/TEST COM page (Ref. TASK 31-32-00-860-003) - on this page, push the line key adjacent to the CIDS1 (2) indication. - on the CIDS1 (2) page, push the line key adjacent to the TROUBLE SHOOTING DATA indication to get the TROUBLE SHOOTING DATA page. - print the Trouble Shooting Data page.
 Subtask 23-73-12-865-059
　
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