(2)
(SSM 34-36-11).
(3)
(SSM 34-36-12).
(4)
(WDM 34-36).
(5)
(WDM 34-36-11).
(6)
(WDM 34-36-12).
E. Initial Evaluation
(1) Do
this
task:
Head
Up
Display
BITE
Procedure,
34-36
TASK
801.
(a)
If the HUD fault code shows on the control panel, then do the Fault Isolation Procedure below.
(b)
If the HUD fault code does not show, then there was an intermittent fault.
F. Fault Isolation Procedure
(1)
Do a check of the external OHU connectors to make sure they are seated properly.
(a)
If the HUD fault code does not show, then you corrected the fault.
(b)
If the HUD fault code shows, then continue.
(2)
Replace the OHU (AMM PAGEBLOCK 34-36-05/401).
(3)
Do
this
task:
Head
Up
Display
BITE
Procedure,
34-36
TASK
801.
EFFECTIVITY SIL 004, 005, 017, 018 34-36 TASKS 803-804
D633A103-SIL BOEING PROPRIETARY -Copyright # Unpublished Work -See title page for details Page 206 Jun 15/2010
(a) If the HUD fault code does not show, then you corrected the fault.
-------------------------END OF TASK ---------------------------
806. HUD Control Panel Problems -Fault Isolation
A. Description
(1)
The task is for this maintenance message:
(a) HCP90 through HCP9F show on the HUD control panel.
(2)
The HUD control panel (HCP) has an internal failure or communication failure.
(3)
This indicates the HCP has internal processor problems or is inactive.
(a)
Fault code HCP90 is inactivity.
(b)
Higher series HCP fault codes are processor or software problems.
B. Possible Causes
(1) HCP or power.
C. Circuit Breakers
(1) These are the primary circuit breakers related to the fault:
CAPT Electrical System Panel, P18-2 Row Col Number Name C 1 C01622 HEAD UP DISPLAY ANNUN DC C 2 C01618 HEAD UP DISPLAY CONT PNL DC C 5 C01619 HEAD UP DISPLAY SYS NORMAL DC C 6 C01620 HEAD UP DISPLAY SYS ALTN DC
D. Related Data
(1)
(SSM 34-36).
(2)
(SSM 34-36-11).
(3)
(SSM 34-36-12).
(4)
(WDM 34-36).
(5)
(WDM 34-36-11).
(6)
(WDM 34-36-12).
E. Initial Evaluation
(1) Do
this
task:
Head
Up
Display
BITE
Procedure,
34-36
TASK
801.
(a)
If the HUD fault code shows on the control panel, then do the Fault Isolation Procedure below.
(b)
If the HUD fault code does not show, then there was an intermittent fault.
F. Fault Isolation Procedure
(1)
Replace the HUD control panel (HCP).
These are the tasks:
HUD Control Panel Removal, AMM TASK 34-36-03-000-801,
HUD Control Panel Installation, AMM TASK 34-36-03-400-801.
(2)
Do
this
task:
Head
Up
Display
BITE
Procedure,
34-36
TASK
801.
EFFECTIVITY SIL 004, 005, 017, 018 34-36 TASKS 804-806
D633A103-SIL BOEING PROPRIETARY -Copyright # Unpublished Work -See title page for details Page 207 Jun 15/2010
(a) If the HUD fault code does not show, then you corrected the fault. 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：737-600/700/800/900 FAULT ISOLATION MANUAL 故障隔离手册 导航(131)
