R 1EFF : 106-149, 301-399, 401-499, 1 23-73-41Page 401 1 1 Aug 01/05 1 1 1CES 1 Subtask 23-73-41-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
49VU AIR COND/CIDS/SDF/DIR2 ESS 49VU AIR COND/CIDS/SDF/DIR1 ESS 18WH 15WH C06C05
R **ON A/C 106-149, 401-499,
49VU COM/CIDS/DIR ESS/2 157RH G02
R **ON A/C 106-149, 301-399, 401-499,
49VU COM DIR ESS/1 49VU COM/CIDS/DEU A ESS/AFT R 49VU COM/CIDS/DEU A ESS/AFT L 49VU COM/CIDS/DEU A ESS/FWD R 49VU COM/CIDS/DEU A ESS/FWD L 150RH 172RH 179RH 158RH 159RH G01HA12HA11HA10HA09
**ON A/C 301-399,
49VU COM / CIDS / DEU A ESS / MID R 49VU COM / CIDS / DEU A ESS / MID L 49VU COM/CIDS/DEU B/ESS 49VU COM DIR ESS/2 120VU COM / CIDS / DEU B / NORM FWD 196RH 195RH 153RH 157RH 193RH G05G04G03G02M09
R **ON A/C 106-149, 401-499,
121VU COM NAV/CIDS/DEU A NORM/R AFT 121VU COM NAV/CIDS/DEU A NORM/L AFT 121VU COM NAV/CIDS/DEU A NORM/R FWD 121VU COM NAV/CIDS/DEU A NORM/L FWD 121VU COM NAV/CIDS/DEU B/NORM 121VU COM NAV/CIDS/DIR NORM/2 168RH 167RH 164RH 163RH 162RH 156RH M12M11M10M09M08M06
**ON A/C 301-399,
121VU COM NAV/CIDS/DEU A NORM/R FWD 164RH M11
R 1EFF : 106-149, 301-399, 401-499, 1 23-73-41Page 402 1 1 Aug 01/05 1 1 1CES 1
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
121VU COM NAV/CIDS/DEU A NORM/L FWD 121VU COM NAV/CIDS/DIR NORM/2 121VU COM NAV/CIDS/DIR NORM/1 163RH 156RH 151RH M10M07M06
R **ON A/C 106-149, 301-399, 401-499,
R 122VU AIR COND/CIDS/SDF/DIR NORM/2 122VU AIR COND/CIDS/SDF/DIR NORM/1 14WH 17WH T18T17
R **ON A/C 106-149, 301-399,
R R R R R R 2000VU PASSENGER READING LIGHT 2000VU PASSENGER READING LIGHT 2000VU PASSENGER READING LIGHT 2000VU PASSENGER READING LIGHT 2000VU PASSENGER READING LIGHT 2000VU PASSENGER READING LIGHT 6LW 5LW 4LW 3LW 2LW 1LW G06 G05 G04 G03 G02 G01
**ON A/C 301-399,
Subtask 23-73-41-865-053
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL SERVICE IDENT. LOCATION -------------------------------------------------------------------------------2001VU CIDS/DEU B NORM/ AFT 194RH C08 2001VU CIDS/DEU A NORM/ MID/ LH 197RH C04 2001VU CIDS/DEU A NORM/ MID/ RH 198RH C05 2001VU CIDS/DEU A NORM/ AFT/ LH 173RH C06 2001VU CIDS/DEU A NORM/ AFT/ RH 174RH C07
R 1EFF : 106-149, 301-399, 401-499, 1 23-73-41Page 403 1 1 Aug 01/05 1 1 1CES 1R **ON A/C 106-149, 301-399, 401-499,
4. Procedure
_________
(Ref. Fig. 401/TASK 23-73-41-991-001, 402/TASK 23-73-41-991-002)
Subtask 23-73-41-020-050
A. Removal of the Passenger Interface and Supply Adapter (PISA) with Audio Function
(1)
Open the Passenger Service Unit (PSU)
(a)
Remove the section-hose (1) from one side of the mounting rail (2).
(b)
Pull and lower the related PSU (3).
(2)
Remove the Passenger Interface and Supply Adapter (PISA) CAUTION : BE CAREFUL WHEN YOU REMOVE OR INSTALL THE PASSENGER
_______ INTERFACE AND SUPPLY ADAPTER. IT IS EASY TO CAUSE DAMAGE TO THIS COMPONENT.
NOTE : Be careful when you work on the lowered PSU. If you use too
____ much force, it is easy to move the PSU in the mounting rail too much. This can cause damage to the hinge in the mounting rail.
(a)
Cut and remove the tie wraps (5) to release the cable harness (6) from the cover (4).
(b)
Discard the tie wraps (5).
(c)
Carefully pull the sidewalls of the cover (4) out and release them from the latches (7) of the PSU (3). Then lift the cover (4) and remove it.
CAUTION : MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU
_______ DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.
(d) Identify the electrical connectors (8, 8A, 8B) and carefully disconnect them from the two vertical Printed Circuit Boards (PCBs) of the PISA (9A).
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