-
close the C/B DIR 1 AND 2/NORM
 151RH.

 **ON A/C 151-199,
 Subtask 23-73-00-710-051-A
 A. Do this test.
 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the C/B Panel 121VU:
 - open the C/Bs DIR NORM/1 and
 DIR NORM/2 151RH and 156RH.
 2. On the C/B Panel 49VU:
 - open the C/B DIR ESS/2 157RH.
 3. On the Overhead Panel 25VU:  In the cabin:
 - set the SIGN SEAT BELT switch  - all FASTEN SEAT BELT (FSB) signs come
 191RH to the ON position.  on.
 4. On the C/B Panel 49VU:
 - close the C/B DIR ESS/2 157RH,
 - open the C/B DIR ESS/1 150RH.
 5. On the C/B Panel 121VU:
 - open the C/Bs DEU A NORM 163RH  - all FSB signs go off.
 to 168RH.
 6. In the cabin at the FWD ATTND  In the cabin and the lavatories:
 Station: 

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 -------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
-remove the handset from the cradle,
 -
push the PA ALL pushbutton,

 -
push the PTT and do an
announcement.

7. At the FWD ATTND Station:
 -release the PTT,
 -put the handset back into its cradle.
 8. On the C/B Panel 49VU:
 -close the C/B DIR ESS/1 150RH, - open the C/B DIR ESS/2 157RH.
 9. In the cabin at the FWD ATTND Station:
 -remove the handset from the cradle,
 -
push the PA ALL pushbutton,

 -
push the PTT and do an
announcement.

10. At the FWD ATTND Station:
 -release the PTT,
 -put the handset back into its cradle.
 11. In the cockpit on the Overhead Panel 25VU:
 -set the SIGN SEAT BELT switch 191RH to the OFF position.
-
the announcement is heard through theloudspeakers.

-
the announcement is heard through theloudspeakers.

R 1EFF : 151-199, 1 23-73-00Page 534 1 1 May 01/05 1 1 1CES 1

 -------------------------------------------------------------------------------
ACTION RESULT -------------------------------------------------------------------------------
12. In the cockpit on the C/B Panel
 121VU:

 -
close the C/B DIR NORM/1 and
 DIR NORM/2 151RH and 156RH,

 -
close the C/Bs DEU A NORM
 163RH to 168RH.

 13. On the C/B Panel 49VU:
 -close the C/B DIR ESS/2 157RH. R **ON A/C 001-049, 051-099, 101-105, 151-199, 201-299,
 5. Close-up
________
 Subtask 23-73-00-860-071

 A. Put the aircraft back to its initial configuration.
 (1) De-energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-862-002)

R 1EFF : 001-049, 051-099, 101-105, 151-199, 1 23-73-00Page 535 1201-299, 1May 01/05 1 1 1CES 1R **ON A/C 106-149, 301-399, 401-499,

 TASK 23-73-00-710-038
 Operational Check of Decoder/ Encoder Units essential Power Supply, and
 Decoder/ Encoder Units-A Cut-Off

 1. Reason for the Job
__________________
 Refer to the MPD TASK: 237300-04
 To verify the operation of the CIDS with normal or essential power supply.
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power 31-32-00-860-003 Procedure to Get Access to the SYSTEM REPORT/TEST/COM
 Page
 31-60-00-860-001 EIS Start Procedure
 31-60-00-860-002 EIS Stop Procedure

 3. Job Set-up
__________
 Subtask 23-73-00-860-171

 A. Aircraft Maintenance Configuration
 (1)
 Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002)

 (2)
　
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