__________________
 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
 -------------------------------------------------------------------------------
24-41-00-861-002  Energize the Aircraft Electrical Circuits from the External Power
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 23-73-49-991-001 Fig. 401 R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-399, 401-499,
 3. Job Set-up
__________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,

 Subtask 23-73-49-861-050
 A. Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002)

R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 23-73-49Page 401 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1 **ON A/C 001-049, 051-099, 101-105, 201-299,

 Subtask 23-73-49-865-051
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------
PANEL SERVICE IDENT. LOCATION
 -------------------------------------------------------------------------------
2000VU PASSENGER READING LIGHT 1LW G02
 2000VU PASSENGER READING LIGHT 2LW G03
 2000VU PASSENGER READING LIGHT 3LW G04
 2000VU PASSENGER READING LIGHT 4LW G05
 2000VU PASSENGER READING LIGHT 5LW G06
 2000VU PASSENGER READING LIGHT 6LW G07

R **ON A/C 151-199, 301-399, 401-499,
 Subtask 23-73-49-865-055
 C. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------
PANEL SERVICE IDENT. LOCATION
 -------------------------------------------------------------------------------
2000VU PASSENGER READING LIGHT 1LW G1
 2000VU PASSENGER READING LIGHT 2LW G2
 2000VU PASSENGER READING LIGHT 3LW G3
 2000VU PASSENGER READING LIGHT 4LW G4
 2000VU PASSENGER READING LIGHT 5LW G5
 2000VU PASSENGER READING LIGHT 6LW G6
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 23-73-49Page 402 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,

 Subtask 23-73-49-865-053
 D. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU COM/CIDS/DEU A ESS/LINE 2 155RH G05 49VU COM/CIDS/DEU A ESS/LINE 1 154RH G04
 **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
 **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
R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299, 301-399, 401-499,
 4. Procedure
_________
 **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 (Ref. Fig. 401/TASK 23-73-49-991-001)
R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 23-73-49Page 403 1201-299, 301-399, 401-499, 1Aug 01/05 1 1 1CES 1

 Printed Circuit Board 2038VUA
 Figure 401/TASK 23-73-49-991-001

R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 23-73-49Page 404 1201-299, 1May 01/05 1 1 1CES 1 Subtask 23-73-49-020-050

 A. Removal of the PCB with the Bulbs or LEDs
 (1)
 Remove the section-hose (7) from one side of the mounting rail (6).

 (2)
 Pull and lower the related PSIU (3).

 (3)
 Disconnect the electrical connector (2) from the PCB (1).

 (4)
 Put blanking caps on the disconnected electrical connectors.

 (5)
 Insert a small screwdriver under one lock-angle (5) of the retainer (4), turn the screwdriver to lift the lock-angle until it is released and stays up.
　
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