A320 Trouble Shooting Manual 排故手册 COMMUNICATIONS 通讯2(34)

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 2 If there is 28VDC at pin A3:
_
 - do a check for 28VDC at pin 42 on the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) and if necessary repair the related wiring.
 3 If there is 28VDC at pin 42:
_
 - do a check for a ground signal at pin 21 on the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) and if necessary repair the related wiring.
 (2) If the fault continues and the green LED on the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) is on:
 - do a check and if necessary repair the related wiring between the cameras 1, 2 and 3 and the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA).
 B. If the pictures on the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) do not change from camera 1 to cameras 2 and 3 when the VIDEO pushswitch in the cockpit is pushed:
 - replace the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) (Ref. AMM TASK 23-72-22-000-001) (Ref. AMM TASK 23-72-22-400-001).
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : 216-216, ∞∞23-72-00∞∞∞∞∞∞∞∞∞∞Page 216
 May 01/03 CES (1) If the fault continues:

 - replace the VIDEO PUSHSWITCH (16RA).
 (a) If the fault continues:
 - do a check and if necessary repair the wiring between the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA), and the VIDEO PUSHSWITCH (16RA).
 C. If the images for cameras 1, 2 and 3 are bad/distorted/too dim/too bright MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA):
 - replace the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA), (Ref. AMM TASK 23-72-22-000-001) and (Ref. AMM TASK 23-72-22-400-001).
 D. If the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) does not go into the power-down-mode:
 - replace the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA), (Ref. AMM TASK 23-72-22-000-001) and (Ref. AMM TASK 23-72-22-400-001).
 E. If the incorrect images are shown on the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) when the power-down-mode is excited:
 - replace the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA), (Ref. AMM TASK 23-72-22-000-001) and (Ref. AMM TASK 23-72-22-400-001).
 F. If the images from camera 1 do not show on the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) when cockpit entry is requested:
 - replace the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA), (Ref. AMM TASK 23-72-22-000-001) and (Ref. AMM TASK 23-72-22-400-001).
 (1) If the fault continues:

 - do a check and if necessary repair the wiring between the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) and the COCKPIT SYST.CONTROL. (24MQ).

 (2) If the fault continues:

 - do the test of the Cockpit Door Lock System (Ref. AMM TASK 52-51-00-710-002). Make sure that the images from camera 1 show on the screen of the LCD monitor when cockpit entry is requested.
 (a) If the images from camera 1 do not show when cockpit entry is requested:
 - do the related trouble shooting for the cockpit door lock system. You must do the trouble shooting to make sure that there is a signal from the COCKPIT SYST.CONTROL. (24MQ) to the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA) when cockpit access is requested.
 G. If the failure history is not correctly shown on the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA):
 - replace the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA), (Ref. AMM TASK 23-72-22-000-001) and (Ref. AMM TASK 23-72-22-400-001).

 H. If the failure history cannot be deleted from the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA):
 - replace the MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA), (Ref. AMM TASK 23-72-22-000-001) and (Ref. AMM TASK 23-72-22-400-001).
 J. Do the test given in Para. 3.

 **ON A/C 216-216,

 TASK 23-72-00-810-808 LCD Monitor Failure
 1. Possible Causes
_______________
 - MONITOR-COCKPIT DOOR SURVEILLANCE SYSTEM (10RA)

 - CAMERA-COCKPIT DOOR (12RA)

 - CAMERA-DR 1, LH (13RA)

 - CAMERA-DR 1, RH (14RA)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 23-72-00-740-001 BITE Test of the Anti-Hijack Camera-Monitoring-System AMM 23-72-22-000-001 Removal of the Monitor (10RA) AMM 23-72-22-400-001 Installation of the Monitor (10RA) AMM 23-72-51-000-001 Removal of the Anti-Hijack-System Cameras AMM 23-72-51-400-001 Installation of the Anti-Hijack-System Cameras ASM 23-72/01
 3. Fault Confirmation
__________________ **ON A/C 216-216, Post SB 23-1208 For A/C 216-216,
　
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