R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 23-73-48Page 411 1201-299, 301-399, 1May 01/05 1 1 1CES 1 Subtask 23-73-48-865-051

 B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU COM/CIDS/DEU A ESS/LINE 2 155RH G05 49VU COM/CIDS/DEU A ESS/LINE 1 154RH G04 49VU COM/CIDS/DEU B/ESS 153RH G03
 **ON A/C 151-199,
 49VU COM DIR ESS/2 157RH G02

R **ON A/C 001-049, 051-099, 101-105, 201-299,
 121VU COM NAV/CIDS/DEU A NORM/R AFT 168RH M13 121VU COM NAV/CIDS/DEU A NORM/L AFT 167RH M12 121VU COM NAV/CIDS/DEU A NORM/R MID 166RH M11 121VU COM NAV/CIDS/DEU A NORM/L MID 165RH M10 121VU COM NAV/CIDS/DEU A NORM/R FWD 164RH M09 121VU COM NAV/CIDS/DEU A NORM/L FWD 163RH M08 121VU COM NAV/CIDS/DEU B/NORM 162RH M07
 **ON A/C 151-199,
 121VU COM NAV/CIDS/DEU A NORM/R AFT 168RH M14 121VU COM NAV/CIDS/DEU A NORM/L AFT 167RH M13 121VU COM NAV/CIDS/DEU A NORM/R MID 166RH M12 121VU COM NAV/CIDS/DEU A NORM/L MID 165RH M11 121VU COM NAV/CIDS/DEU A NORM/R FWD 164RH M10 121VU COM NAV/CIDS/DEU A NORM/L FWD 163RH M09 121VU COM NAV/CIDS/DEU B/NORM 162RH M08 121VU COM NAV/CIDS/DIR NORM/2 156RH M06
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 Subtask 23-73-48-865-054
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------
PANEL SERVICE IDENT. LOCATION
 -------------------------------------------------------------------------------
2001VU CIDS/DEU A NORM/MID 2/LH 175RH C05
 2001VU CIDS/DEU A NORM/MID 2/RH 176RH C06
 2001VU CIDS/DEU A NORM/AFT/LH 173RH C07
 2001VU CIDS/DEU A NORM/AFT/RH 174RH C08

R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-399,
 4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-105, 201-299,
 (Ref. Fig. 401/TASK 23-73-48-991-001)
 **ON A/C 151-199,

 (Ref. Fig. 401A/TASK 23-73-48-991-001-A) R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 Subtask 23-73-48-420-050
 A. Installation of the DEU A/DEU B-Mount
 (1)
 Clean the component interface and/or the adjacent area.

 (2)
 Do an inspection of the component interface and/or the adjacent area.

 (3)
 Install the DEU mount (1) with the screws (3) and washers (4).

 (4)
 Remove the blanking caps from the electrical connectors.

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 (5)
 Make sure that the electrical connectors are clean and in the correct

 condition.

 (6)
 Connect the electrical connector to the DEU mount (1).

 (7)
 Remove the cover (5) from the DEU mount (1).

 (8)
 Set the coding switches to the same position as shown on the label.

 (9)
 Install the cover (5).

 (10) Install the related DEU A (Ref. TASK 23-73-46-400-001) or DEU B (Ref. TASK 23-73-47-400-001).
 Subtask 23-73-48-865-052
 B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 153RH, 154RH, 155RH, 156RH, 157RH, 162RH, 163RH, 164RH, 165RH, 166RH, 167RH, 168RH
 Subtask 23-73-48-740-050
 C. Do the BITE test of the Cabin Intercommunication Data System (CIDS) (Ref. TASK 23-73-00-740-005).

R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-399,
 5. Close-up
________ R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 Subtask 23-73-48-410-050
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Install the related cove light panel (Ref. TASK 25-23-48-400-001), or the forward utility-area ceiling panel (Ref. TASK 25-23-42-400-001), or the aft utility-areaceiling panel (Ref. TASK 25-23-42-400-002).

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 B. De-energize the ground service network (Ref. TASK 24-42-00-862-001)
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______________________________________________
 TASK 23-73-49-000-001
 Removal of the Printed Circuit Board (PCB) with the Bulbs or LEDs
　
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