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* Fluorescent lamp tube
* Lens.
Location
The window lights are on the extrusion between the PSU and
the sidewall panel above the windows
Training Information Point
Usually one ballast assembly supplies power to two adjacent
window lamps. If two adjacent lamps fail or flicker, the ballast
assembly may be inoperative. If only one lamp fails, the lamp is
probably inoperative.
LIGHTS - WINDOW LIGHTS - INTRODUCTION
EFFECTIVITY
GUN ALL 33-21-00
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
33-21-00-001
LIGHTS - WINDOW LIGHTS - INTRODUCTION
LIGHTS - WINDOW LIGHTS - INTRODUCTION
EFFECTIVITY
GUN ALL 33-21-00
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
33-21-00-001
Operation
GUN 001-020, 101-110, 115, 116, 118, 201-999
A three-position switch on the forward attendant panel controls
the window lights. These are the positions of the switch:
* OFF
* BRT
* DIM.
GUN 021-099, 111-114, 117
A three-position switch on the forward and aft attendant panels
controls the window lights. These are the positions of the
switches:
* OFF
* BRT
* DIM.
GUN ALL
Functional Description
GUN 001-020, 101-110, 115, 116, 118, 201-999
When you set the window light control switch to the DIM or BRT
position, this occurs:
* Window lights relay R427 energizes
* 115v ac goes to the ballast assembly.
GUN 021-099, 111-114, 117
When you set the window light control switch to the DIM or BRT
position, this occurs:
* Window lights relays R427 and R390 energize
* 115v ac goes to the ballast assembly.
GUN ALL
In the DIM position, an electrical ground goes to the ballast
assembly for dim mode operation.
In the BRT position, an open discrete goes to the ballast
assembly for bright mode operation.
LIGHTS - WINDOW LIGHTS - FUNCTIONAL DESCRIPTION
EFFECTIVITY
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
33-21-00-002
LIGHTS - WINDOW LIGHTS - FUNCTIONAL DESCRIPTION
LIGHTS - WINDOW LIGHTS - FUNCTIONAL DESCRIPTION
EFFECTIVITY
GUN 001-020, 101-110, 115, 116, 118, 201-999 33-21-00
Page 5
D633A101-GUN Oct 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
33-21-00-002
LIGHTS - WINDOW LIGHTS - FUNCTIONAL DESCRIPTION
LIGHTS - WINDOW LIGHTS - FUNCTIONAL DESCRIPTION
EFFECTIVITY
GUN 021-099, 111-114, 117 33-21-00
Page 6
D633A101-GUN Oct 10/2006
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
33-21-00-002
THIS PAGE IS INTENTIONALLY LEFT BLANK
LIGHTS - WINDOW LIGHTS - FUNCTIONAL DESCRIPTION
33-22-00
Page 1
D633A101-GUN Oct 10/2002
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
Purpose
The ceiling lights supply lighting to the areas above the
stowage bins and the aisle in the passenger compartment.
Physical Description
There are two types of ceiling lights, bin lights and recessed
lights.
The bin ceiling lights are fluorescent and incandescent light
assemblies.
The recessed lights are fluorescent lights.
Both types of ceiling lights use same type of ballast assembly.
Location
The bin ceiling lights are on top of the stowage bins.
The recessed ceiling lights are in the forward and aft ceiling
panels.
LIGHTS - CEILING LIGHTS - INTRODUCTION
EFFECTIVITY
GUN ALL 33-22-00
Page 2
D633A101-GUN Oct 10/2002
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
33-22-00-001
LIGHTS - CEILING LIGHTS - INTRODUCTION
LIGHTS - CEILING LIGHTS - INTRODUCTION
EFFECTIVITY
GUN ALL 33-22-00
Page 3
D633A101-GUN Feb 10/2003
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
33-22-00-001
Operation
GUN 001-020, 101-110, 115, 116, 118, 201-999
A five-position rotary selector on the forward attendant panel
controls the ceiling lights. These are the five positions on the
　
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