DOC AIRBUS | AMM A320FPASSENGER ENTERTAINMENT - DESCRIPTION AND OPERATION
** ON A/C NOT FOR ALL
** ON A/C NOT FOR ALL
** ON A/C NOT FOR ALL
1. General
The Passenger Entertainment System (PES) video provides prerecorded video programs through the LCD-monitors. The electrically retractable LCD-monitors are installed in the cabin as Hatrack Mounted Display Units (HMDU) 100MH.
The video sound is supplied to the Cabin Intercommunication Data System (CIDS) (Ref. AMM D/O 23-73-00-00). The passengers can hear the video sound over the cabin loudspeakers.
The description and operation of the integrated In-Flight Entertainment (IFE) system is given in the Passenger Entertainment - Description and Operation (Ref. AMM D/O 23-33-00-00).
** ON A/C NOT FOR ALL The Passenger Entertainment System (PES) video provides prerecorded video programs through the LCD-monitors. The electrically retractable LCD-monitors are installed in the cabin as Hatrack Mounted Display Units (HMDU) 100MH.
The video sound is supplied to the Cabin Intercommunication Data System (CIDS) (Ref. AMM D/O 23-73-00-00). The passengers can hear the video sound over the cabin loudspeakers.
The description and operation of the integrated In-Flight Entertainment (IFE) system is given in the Passenger Entertainment - Description and Operation (Ref. AMM D/O 23-33-00-00).
2. Component Location
** ON A/C NOT FOR ALL | ------------------------------------------------------------------------------- |
| FIN ! FUNCTIONAL DESIGNATION ! PANEL!ZONE!ACCESS ! ATA |
| ! ! ! ! DOOR ! REF. |
| ------------------------------------------------------------------------------- |
| 11MH SYSTEM CONTROL UNIT 221 23-36-34 |
| 12MH VIDEO TAPE REPRODUCER 221 23-36-52 |
| 13MH VIDEO TAPE REPRODUCER 221 23-36-52 |
| 50MH1 TAPPING UNIT 221 23-36-44 |
| 50MH2 TAPPING UNIT 222 23-36-44 |
| 50MH3 TAPPING UNIT 231 23-36-44 |
| 50MH4 TAPPING UNIT 232 23-36-44 |
| 50MH5 TAPPING UNIT 241 23-36-44 |
| 50MH6 TAPPING UNIT 242 23-36-44 |
| 50MH7 TAPPING UNIT 241 23-36-44 |
| 50MH8 TAPPING UNIT 242 23-36-44 |
| 50MH9 TAPPING UNIT 241 23-36-44 |
| 50MH10 TAPPING UNIT 242 23-36-44 |
| 50MH11 TAPPING UNIT 241 23-36-44 |
| 50MH12 TAPPING UNIT 242 23-36-44 |
| 50MH13 TAPPING UNIT 241 23-36-44 |
| 50MH14 TAPPING UNIT 242 23-36-44 |
| 50MH15 TAPPING UNIT 251 23-36-44 |
| 50MH16 TAPPING UNIT 252 23-36-44 |
| 50MH17 TAPPING UNIT 251 23-36-44 |
| 50MH18 TAPPING UNIT 252 23-36-44 |
| 50MH19 TAPPING UNIT 251 23-36-44 |
| 50MH20 TAPPING UNIT 252 23-36-44 |
| 100MH1 HATRACK MOUNTED DISPLAY UNIT 221 23-36-22 |
| 100MH2 HATRACK MOUNTED DISPLAY UNIT 222 23-36-22 |
| 100MH3 HATRACK MOUNTED DISPLAY UNIT 231 23-36-22 |
| 100MH4 HATRACK MOUNTED DISPLAY UNIT 232 23-36-22 |
| 100MH5 HATRACK MOUNTED DISPLAY UNIT 231 23-36-22 |
| 100MH6 HATRACK MOUNTED DISPLAY UNIT 232 23-36-22 |
| 100MH7 HATRACK MOUNTED DISPLAY UNIT 231 23-36-22 |
| 100MH8 HATRACK MOUNTED DISPLAY UNIT 232 23-36-22 |
| 100MH9 HATRACK MOUNTED DISPLAY UNIT 241 23-36-22 |
| 100MH10 HATRACK MOUNTED DISPLAY UNIT 242 23-36-22 |
| 100MH17 HATRACK MOUNTED DISPLAY UNIT 241 23-36-22 |
| 100MH18 HATRACK MOUNTED DISPLAY UNIT 242 23-36-22 |
| 100MH21 HATRACK MOUNTED DISPLAY UNIT 241 23-36-22 |
| 100MH22 HATRACK MOUNTED DISPLAY UNIT 242 23-36-22 |
| 100MH25 HATRACK MOUNTED DISPLAY UNIT 241 23-36-22 |
| 100MH26 HATRACK MOUNTED DISPLAY UNIT 242 23-36-22 |
| 100MH29 HATRACK MOUNTED DISPLAY UNIT 251 23-36-22 |
| 100MH30 HATRACK MOUNTED DISPLAY UNIT 252 23-36-22 |
| 100MH33 HATRACK MOUNTED DISPLAY UNIT 251 23-36-22 |
| 100MH34 HATRACK MOUNTED DISPLAY UNIT 252 23-36-22 |
| 100MH37 HATRACK MOUNTED DISPLAY UNIT 251 23-36-22 |
| 100MH38 HATRACK MOUNTED DISPLAY UNIT 252 23-36-22 |
| ------------------------------------------------------------------------------- |
| FIN ! FUNCTIONAL DESIGNATION ! PANEL!ZONE!ACCESS ! ATA |
| ! ! ! ! DOOR ! REF. |
| ------------------------------------------------------------------------------- |
| 11MH SYSTEM CONTROL UNIT 231 23-36-34 |
| 12MH VIDEO TAPE REPRODUCER 231 23-36-52 |
| 13MH VIDEO TAPE REPRODUCER 231 23-36-52 |
| 50MH1 TAPPING UNIT 231 23-36-44 |
| 50MH2 TAPPING UNIT 232 23-36-44 |
| 50MH3 TAPPING UNIT 231 23-36-44 |
| 50MH4 TAPPING UNIT 232 23-36-44 |
| 50MH5 TAPPING UNIT 231 23-36-44 |
| 50MH6 TAPPING UNIT 232 23-36-44 |
| 50MH7 TAPPING UNIT 231 23-36-44 |
| 50MH8 TAPPING UNIT 232 23-36-44 |
| 50MH9 TAPPING UNIT 241 23-36-44 |
| 50MH10 TAPPING UNIT 242 23-36-44 |
| 50MH11 TAPPING UNIT 241 23-36-44 |
| 50MH12 TAPPING UNIT 242 23-36-44 |
| 50MH13 TAPPING UNIT 241 23-36-44 |
| 50MH14 TAPPING UNIT 242 23-36-44 |
| 50MH15 TAPPING UNIT 251 23-36-44 |
| 50MH16 TAPPING UNIT 252 23-36-44 |
| 50MH17 TAPPING UNIT 251 23-36-44 |
| 50MH18 TAPPING UNIT 252 23-36-44 |
| 50MH19 TAPPING UNIT 251 23-36-44 |
| 50MH20 TAPPING UNIT 252 23-36-44 |
| 100MH1 HATRACK MOUNTED DISPLAY UNIT 221 23-36-22 |
| 100MH2 HATRACK MOUNTED DISPLAY UNIT 222 23-36-22 |
| 100MH3 HATRACK MOUNTED DISPLAY UNIT 231 23-36-22 |
| 100MH4 HATRACK MOUNTED DISPLAY UNIT 232 23-36-22 |
| 100MH5 HATRACK MOUNTED DISPLAY UNIT 231 23-36-22 |
| 100MH6 HATRACK MOUNTED DISPLAY UNIT 232 23-36-22 |
| 100MH9 HATRACK MOUNTED DISPLAY UNIT 231 23-36-22 |
| 100MH10 HATRACK MOUNTED DISPLAY UNIT 232 23-36-22 |
| 100MH17 HATRACK MOUNTED DISPLAY UNIT 241 23-36-22 |
| 100MH18 HATRACK MOUNTED DISPLAY UNIT 242 23-36-22 |
| 100MH21 HATRACK MOUNTED DISPLAY UNIT 241 23-36-22 |
| 100MH22 HATRACK MOUNTED DISPLAY UNIT 242 23-36-22 |
| 100MH29 HATRACK MOUNTED DISPLAY UNIT 251 23-36-22 |
| 100MH30 HATRACK MOUNTED DISPLAY UNIT 252 23-36-22 |
| 100MH31 HATRACK MOUNTED DISPLAY UNIT 251 23-36-22 |
| 100MH32 HATRACK MOUNTED DISPLAY UNIT 252 23-36-22 |
| 100MH33 HATRACK MOUNTED DISPLAY UNIT 251 23-36-22 |
| 100MH34 HATRACK MOUNTED DISPLAY UNIT 252 23-36-22 |
| 100MH37 HATRACK MOUNTED DISPLAY UNIT 251 23-36-22 |
| 100MH38 HATRACK MOUNTED DISPLAY UNIT 252 23-36-22 |
3. System Description
A. Description of the installed Systems
Passenger Entertainment System (Video) - Block Diagram ** ON A/C NOT FOR ALL
Passenger Entertainment System (Video) - Block Diagram ** ON A/C NOT FOR ALL
Passenger Entertainment System (Video) - Block Diagram ** ON A/C NOT FOR ALL Passenger Entertainment System (Video) - Block Diagram ** ON A/C NOT FOR ALL (1) General
The PES video has the subsequent primary units:
The VTR1 12MH andthe VTR2 13MH replay prerecorded video programs. The video program signal is sent through the SCU 11MH to the HMDU 100MH. The video program sound is connected through the SCU to the CIDS directors 101RH and 102RH.
Passengers can hear the video program sound over the cabin loudspeakers.
A ground signal from the cabin decompression sensor is connected to the SCU 11MH. If a rapid cabin decompression occurs the SCU 11MH retracts all HMDU 100MH and the PES video is de-energized.
The PES video has the subsequent primary units:
- the System Control Unit (SCU) 11MH is installed in the Video Control Center (VCC) in the first FWDT overhead stowage compartment on the LH side of the cabin,
- two Video Tape Reproducers (VTR) 12MH and 13MH are installed in the VCC,
- a prewired mounting plate 10MH together with cassette storage are installed in the VCC,
- 20 Tapping Units (TU) 50MH installed are in the passenger-compartment lateral walls,
- 20 Hatrack Mounted Display Units (HMDU) 100MH with retracting mechanism are installed in the passenger-compartment lateral hatracks.
The VTR1 12MH andthe VTR2 13MH replay prerecorded video programs. The video program signal is sent through the SCU 11MH to the HMDU 100MH. The video program sound is connected through the SCU to the CIDS directors 101RH and 102RH.
Passengers can hear the video program sound over the cabin loudspeakers.
A ground signal from the cabin decompression sensor is connected to the SCU 11MH. If a rapid cabin decompression occurs the SCU 11MH retracts all HMDU 100MH and the PES video is de-energized.
(2) Functions
The PES video is normally controlled and operated by the SCU.
The SCU also controls the operation of the VTR 12MH, the VTR 13MH and the HMDUs 100MH.
The PES video is normally controlled and operated by the SCU.
The SCU also controls the operation of the VTR 12MH, the VTR 13MH and the HMDUs 100MH.
(a) Tapping Units Function
The tapping units supply the HMDUs 100MH directly with electrical power, control data and video signals.
The tapping units supply the HMDUs 100MH directly with electrical power, control data and video signals.
(b) System Test
The BITE does an automatic test of the system during power on.
The BITE does an automatic test of the system during power on.
4. Power Supply
The PES video is supplied with 28VDC through this circuit breaker:
** ON A/C NOT FOR ALL The PES video is supplied with 28VDC through this circuit breaker:
- 20MH - PES/VIDEO/CONTROL/MAIN
The PES video is supplied with 115VAC through these circuit breakers: - 21MH - PES/VIDEO/CONTROL/VCC
- 22MH - PES/VIDEO/CABIN/FWD/LH
- 24MH - PES/VIDEO/CABIN/FWD/RH
- 23MH - PES/VIDEO/CABIN/AFT/LH
- 25MH - PES/VIDEO/CABIN/AFT/RH
5. Component Description
A. Installed Components
(a) General
1 The SCU is installed in the video control center. The SCU contains a computer which receives the aircraft zone configuration from the CIDS director(s). The SCU receives its commands from the front panel with the aid of:
- A program on a PCMCIA memory card in a slot (changes of the program are possible)
- The special membrane switches.
(b) Electrical connections
1 Electrical connections are made through connectors on the back of the SCU.
- The connector for the video input data from the VTR(s) is connected to connector J1.
- Video output data and control data are sent through connector J2 to the LH and RH tapping unit lines.
- The connector for the audio input/output data are connected to the connector J3.
- The connector for the system power and the control data are connected to the connector J4.
- The connector for the RS485 serial data is connected to the connector J5.
(c) Control Elements
The SCU has the subsequent operation controls:
The SCU has the subsequent operation controls:
1 A MASTER POWER pushbutton switch with integral light comes on when the SCU is energized.
2 A SYSTEM TEST/PASS LED comes on when the self test is completed.
3 A SYSTEM TEST/FAIL LED comes on when a self test error occurs.
4 An audio jack for the control of the PES Video sound.
5 A PREVIEW monitor section.
6 A four inch color LCD.
7 A MENU pushbutton switch to set the preview mode, the video/audio control mode or the Air-show/PRAM control mode.
8 A PREVIEW SELECT pushbutton switch - sets the video source to preview on the monitor and the associated audio channel.
9 A VTR indicator comes on when the VTR is selected.
10 A PRI indicator comes on when the PRI is selected.
11 A SEC indicator comes on when the SEC is selected.
12 A digital display shows the video source.
13 MODE SELECT section.
a A MODE SELECT membrane switch sets the AUTO mode, the MANUAL mode or the ALL ZONES mode.
b An AUTO LED comes on when the AUTO mode is selected.
c A MANUAL LED comes on when the MANUAL mode is selected.
d An ALL ZONES LED comes on when the ALL ZONES mode is selected.
14 AUTO PROGRAM section.
a A START membrane switch starts the AUTO PROGRAM mode.
b A STOP membrane switch stops the AUTO PROGRAM mode.
c A START LED comes on when the AUTO PROGRAM mode is selected.
d A STOP LED comes on when the AUTO PROGRAM mode is selected.
15 A key pad operates the screen menu.
16 MANUAL CONTROL board, ALL ZONES.
a An ON/OFF/PWR membrane switch to turn on all video displays.
b A PWR LED comes on during the power up of the ON/OFF/PWR membrane switch.
c A SOURCE/SEL membrane switch sets the video source to be displayed on all the video monitors and the associated audio channel.
d A VTR indicator comes on when VTR is selected.
e A PRI indicator comes on when PRI is selected.
f A SEC indicator comes on when SEC is selected.
g A digital display shows the video source.
h An ON/OFF/PWR membrane switch turns the PA for all zones on.
i A PA LED comes on when the ON/OFF/PWR membrane switch is selected.
17 MANUAL CONTROL board, VTR CONTROL.
The VTR can be controlled from the SCU.
The VTR can be controlled from the SCU.
a A SEL membrane switch when selected, controls the related VTR in the STOP, REW, PLAY or FF mode.
b A digital display shows the selected VTR.
c A STOP membrane switch stops the tape cassette.
d A STOP LED comes on when the VTR stops.
e A REW membrane switch rewinds the tape cassette.
f A REW LED comes on when the VTR rewinds.
g A PLAY membrane switch starts the tape cassette playing.
h A PLAY LED comes on when the VTR plays.
i A FF membrane switch runs the tape cassette fast forward.
j A FF LED comes on when the VTR runs fast forward.
18 ETI meter
The ETI meter is a multi digit Elapse Time Indicator which can not be reset. It shows the total time of operation for the video system.
The ETI meter is a multi digit Elapse Time Indicator which can not be reset. It shows the total time of operation for the video system.
(2) Video Tape Reproducer (VTR)
Two identical VTRs, 12MH and 13MH, serve the system. Either one can be used to reproduce the contents of a video. Therefore the subsequent paragraph describes the function of only one VTR.
Two identical VTRs, 12MH and 13MH, serve the system. Either one can be used to reproduce the contents of a video. Therefore the subsequent paragraph describes the function of only one VTR.
(a) General
1 The VTR is a hi-band video 8 unit with front loading, random access, segment auto-stop or repeat functions.
2 Electrical connections are made through connector J1 on the rear of the unit. 115VAC, 28VDC and all input/output data from/to the SCU are connected through the prewired mounting plate 10MH to connector J1.
(b) Control Elements
1 On the front panel of the VTR are:
- the control membrane switches REW (rewind), PLAY, FF (fast forward) and STOP,
- the cassette access door and the EJECT membrane switch,
- the random access function pad with 10 numeric keys, PROG (program), CLR (clear), ENTR (enter), VERI (verify), PROG STOP (program stop), READY and START pushbutton switches,
- the selector switch for the RANDOM ACCESS or the MOVIE positions,
- the selector switch for the REPEAT, the SEGMENT or the NORMAL positions,
- the OPERATING MODE SELECT display,
- the tape counter (segment/program order) display and the COUNTER indicator,
- the RESET pushbutton switch,
- green POWER ON, PLAY and CASSETTE IN indicator lights,
- amber FF, REW, EJECT, STOP, PAUSE and PROG STOP indicator lights.
- orange FAIL and WAIT indicator lights.
(c) Description
1 The VTR uses a rotary twin-head helical playback system. The cassette can be wound fast forward. An automatic rewind is provided.
2 A normal 8mm SP mode tape or a Hi-8 SP mode tape can be used to provide approximately 120 minutes of prerecorded video program. For video-program sound an AFM monoaural or a PCM 2 channel option can be used.
3 The video signal is the NTSC color standard.
(d) Loading/Unloading
1 To load the VTR insert the cassette cartridge into the access door with the arrow pointing towards the VTR.
To unload the VTR push the STOP pushbutton switch to stop the movement of the cassette. To remove the cassette push the EJECT pushbutton switch.
To unload the VTR push the STOP pushbutton switch to stop the movement of the cassette. To remove the cassette push the EJECT pushbutton switch.
(a) General
1 22 HMDU with retraction mechanisms are installed in the passenger-compartment lateral hatracks.
2 Electrical connections are made through two connectors on the top of the unit. 115VAC, 28VDC and control data are connected to connector J1. The video signal is connected to connector J2.
(b) Description
The HMDU have color LCD-sections and retraction mechanisms. A retraction mechanism extends and retracts the LCD-section of a HMDU.
The HMDU are turned ON or OFF individually. This is controlled through the SCU.
The HMDU have color LCD-sections and retraction mechanisms. A retraction mechanism extends and retracts the LCD-section of a HMDU.
The HMDU are turned ON or OFF individually. This is controlled through the SCU.
(a) General
1 20 HMDU with retraction mechanisms are installed in the passenger-compartment lateral hatracks.
2 The electrical connections are made through two connectors on the top of the unit. 115VAC, 28VDC and control data are connected to the connector J1. The video signal is connected to the connector J2.
(b) Description
The HMDUs have color LCD-sections and retraction mechanisms. A retraction mechanism extends and retracts the LCD-section of a HMDU.
The HMDUs are switched ON or OFF individually through the SCU.
The HMDUs have color LCD-sections and retraction mechanisms. A retraction mechanism extends and retracts the LCD-section of a HMDU.
The HMDUs are switched ON or OFF individually through the SCU.
(a) General
1 10 tapping units are installed along each passenger-compartment lateral wall. Each tapping unit has an interface with a maximum of 2 HMDUs.
2 Electrical connections are made through 4 connectors. The first tapping unit of each data-line receives the video and control data sent from the SCU through connector J2. The same data is connected through connector J3 to the adjacent tapping unit input-connector J2. The first and the fifth tapping unit are supplied with 115VAC. These inputs are then connected to the next four tapping units. The last tapping unit ends with a termination plug connected to connector J3.
(b) Function
Video and control data sent from the SCU are connected to a related display unit through the tapping units.
Video and control data sent from the SCU are connected to a related display unit through the tapping units.
6. Operation
A. Operation of the PES Video
(a) The PES video is supplied with power, when:
- the busbars are energized,
- the circuit breakers are closed,
(2) Video-Program Preview Function
(a) To supply power to the system, push the MASTER POWER pushbutton switch on the SCU. To monitor the video program on the SCU only, the PASS LED of the SYSTEM TEST section on the SCU must be on.
(b) To start the video program preview function, use the MENU pushbutton membrane switch for the selection of the PREVIEW mode.
Push the PREVIEV SELECT pusbutton switch to set a video source and connect a headset to the MONITOR AUDIO connector on the PREVIEW MONITOR section of the SCU.
Insert the cassettes in the VTRs and push the related PLAY membrane switches. The VTRs operate and the selected video programmes are shown on the SCU monitor.
Push the PREVIEV SELECT pusbutton switch to set a video source and connect a headset to the MONITOR AUDIO connector on the PREVIEW MONITOR section of the SCU.
Insert the cassettes in the VTRs and push the related PLAY membrane switches. The VTRs operate and the selected video programmes are shown on the SCU monitor.
(3) Normal System Operation
(a) Push the MASTER POWER pushbutton switch on the SCU to supply power to the system. The PASS LED of the SYSTEM TEST section on the SCU must be on.
(b) To set one of the VTRs as the source, push the SOURCE/SEL membrane switch until the SOURCE/VTR AUX indicator identifies the VTR.
(c) To supply power to the HMDUs, push the MODE SELECT membrane switch until the ALL ZONES LED comes on. Push the ON/OFF/PWR membrane switch in the ALL ZONE section. The LED of the related ON/OFF/PWR membrane switch light comes on. All the HMDUs in the cabin extend.
(d) To supply video sound use the arrow up or arrow down membrane switches in the key pad section.
(e) Insert the cassettes into the VTRs and push the related PLAY membrane switches. All the HMDUs show the selected video program in the colored mode.
(f) The video program is heard over the cabin loudspeakers.
(4) Airshow System Operation
(a) Push the MASTER POWER pushbutton switch on the SCU to supply power to the system. The PASS LED of the SYSTEM TEST section on the SCU must be on.
(b) To supply power to the HMDUs, push the MODE SELECT membrane switch until the ALL ZONES LED comes on. Push the ON/OFF/PWR membrane switch in the ALL ZONE section. The LED of the related ON/OFF/PWR membrane switch light comes on. All the HMDU in the cabin extend.
(c) To start the airshow function, push the MENU pushbutton switch until the BSC/AIRSHOW/PRAM page comes into the SCU monitor:
- Use the arrow up or arrow down membrane switches key pad section for the selection of the line AIRSHOW. Push the ENTER membrane switch.
- Use the arrow up or arrow down membrane switches for the selection of the line SET DISPLAY MODE. Push the ENTER membrane switch.
- Use the arrow up or arrow down membrane switches for the selection of the line AUTO. Push the ENTER membrane switch.
- Push the PREVIEV SELECT pushbutton switch until the indicators of AUX and PRI come on and the digital display shows 7.
- Push the SOURCE/SEL membrane switch until the indicators of AUX and PRI come on and the digital display shows 7. All the HMDUs and the SCU monitor show the flight information.
(5) Rapid Decompression
(a) In the event of a rapid cabin decompression a ground signal from the cabin decompression sensor is sent to the SCU. The SCU then controls the retraction of all the retractable HMDUs. The video program heard over cabin loudspeakers is cancelled until the emergency announcement is finished.