- do a check for 115 VAC at the LOGO LIGHT 3LY connector A/A (Ref. ASM 33-47/01).
(1) If there is approx. 115 VAC:
- replace the BEAM LAMP (Ref. AMM TASK 33-47-11-600-001).
(a) If the fault continues:
- replace LOGO LIGHT 3LY (Ref. AMM TASK 33-47-11-000-001) and (Ref. AMM TASK 33-47-11-400-001).
1 If the fault continues:
_
- do a check of the wiring between: LOGO LIGHT 3LY connector A/B and GND
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(Ref. ASM 33-47/01).
(2) If there is no 115 VAC:
- do a check of the wiring between:
LOGO LIGHT 3LY connector A/A and CB 2LY
(Ref. ASM 33-47/01).
(a) If the fault continues:
- do a check and replace if necessary: RELAY 5LY CB 2LY (Ref. ASM 33-47/01).
B. If the test shows that the LOGO LIGHT 4LY does not come on:
- make sure that the NAV LOGO switch is set to the ON position,
- do a check for 115 VAC at the LOGO LIGHT 4LY connector A/A (Ref. ASM 33-47/01).
(1) If there is approx. 115 VAC:
- replace the BEAM LAMP (Ref. AMM TASK 33-47-11-600-001).
(a) If the fault continues:
- replace LOGO LIGHT 4LY (Ref. AMM TASK 33-47-11-000-001) and (Ref. AMM TASK 33-47-11-400-001).
1 If the fault continues:
_
- do a check of the wiring between: LOGO LIGHT 4LY connector A/B and GND (Ref. ASM 33-47/01).
(2) If there is no 115 VAC:
- do a check of the wiring between:
LOGO LIGHT 4LY connector A/A and CB 1LY
(Ref. ASM 33-47/01).
(a) If the fault continues:
- do a check and replace if necessary: RELAY 5LY CB 1LY (Ref. ASM 33-47/01).
C. Do the test as given in the Para. 3. A.
5. Close-up
________
A. Put the aircraft back to its initial configuration.
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TASK 33-47-00-810-802
Logo Lights - Both Logo Lights do not come on
1. Possible Causes
_______________
- wiring
- CB 2LR
- RELAY 5LY
- SWITCH NAV LOGO 3LA
- CB 1LA
- RELAY 6LA
- CB 2LA
- RELAY 7LA
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
33-47-00-810-801 Logo Lights - One Logo Light does not come on
AMM 27-51-00-740-002 Bite Test of the Slat and Flap Control Computers
(Flap System)
AMM 32-31-00-720-002 Functional Test of the Normal Extension and
Retraction of the Landing Gear
AMM 33-41-00-710-001 Operational Test of the Navigation Lights
AMM 33-47-00-710-002 Operational Test of the Logo Lights
ASM 33-41/01
ASM 33-47/01
3. Fault Confirmation
__________________
A. Test
(1) Do the Operational Test of the Logo Lights (Ref. AMM TASK 33-47-00-710-002).
(2) Do the Operational Test of the Navigation Lights (Ref. AMM TASK 33-41-00-710-001).
4. Fault Isolation
_______________
A. If the test shows that LOGO LIGHT 3LY or LOGO LIGHT 4LY does not come on:
- do the trouble shooting procedure for One Logo Light does not come on (Ref. TASK 33-47-00-810-801).
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B. If the test shows that the LOGO LIGHT 3LY and LOGO LIGHT 4LY in SWITCH NAV LOGO 3LA position 1 and 2 do not come on:
- make sure that the SWITCH NAV LOGO 3LA is in position 1 or 2.
- do a check for approx. 28 VDC at RELAY 5LY connector A/X1 (Ref. ASM 33-47/01).
(1) If there is no 28 VDC:
- do a check of the wiring between:
RELAY 5LY connector A/X1 and CB 2LR
(Ref. ASM 33-47/01).
(a) If the fault continues:
- do a check and replace if necessary: CB 2LR (Ref. ASM 33-41/01).
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本文链接地址：A320 Trouble Shooting Manual 排故手册 LIGHTS 灯光(67)
