S FF (M)
FMC EPR HIGHESTA/T SERVOA/T DISENGAGE
TARGET ARM
THRUST REF KNOBA/T WARN
PULLED (EICAS DSP)A/T
(NORM)
ENABLE
R AUTOTHROTTLE DISCDISENGAGE RESET
L EICAS CMPTR
PWR FAIL
WATCHDOGMON FAIL S FF
A/T WARN (BAT.)
INTERNALS
SAME AS LEFT
EICAS CMPTR
R A/T DISENG SWITCH
R
R EICAS CMPTR
+15V DC
A/T
L A/T DISENG SWITCH DISC
THRUST MANAGEMENT CMPTRTHRUST LEVER ASSY MASTER DIM
AA AND TEST
A/T DISENGAGE
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Thrust Management System - Warning and Annunciation
Figure 2
A
757
FAULT ISOLATION/MAINT MANUAL
THRUST MANAGEMENT WARNING AND ANNUNCIATION
Thrust Management Warning and Annunciation - Component Index
Figure 101
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E45790
A
757 FAULT ISOLATION/MAINT MANUAL
FLIGHT COMPARTMENT
AUTOTHROTTLE DISCONNECT LIGHT, L591
Thrust Management Warning and Annunciation - Component Location
Figure 102
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A
757 MAINTENANCE MANUAL
MAINTENANCE MONITOR - DESCRIPTION AND OPERATION
_______________________________________________
1. General (Fig. 1)_______
A. The maintenance monitor system consists of a Maintenance Control Display Panel (MCDP) that monitors the status of the Flight Control Computers (FCC), Flight Management Computers (FMC), Thrust Management Computer (TMC), and their related sensors. The MCDP interrogates the computers after each landing, and stores up to five flight faults per computer in non-volatile memory for later interrogation by maintenance personnel.
B. A central processing unit in the MCDP controls and processes ground test commands, ground test functions, ground, and flight faults. The MCDP displays flight and ground faults, test number, name or status, and operator instructions. The MCDP controls and display panel are located on the front of the unit. The controls enable maintenance personnel to display faults and ground tests that include operator instructions. The MCDP is located in the main Electrical/Electronic (E/E) equipment center.
C. There are wiring and connector provisions for a remote control panel. The remote control panel is plugged into the connector on the forward side of the P61 panel and used for displaying flight faults and for running ground tests from the flight deck. The MCDP remote display is through the EICAS system maintenance panel in the P61 panel. The MCDP display can be displayed on the EICAS with or without the hand-held carry-on remote control panel, by pressing the CONF/MCDP switch of the EICAS maintenance panel.
D. Configuration
(1)
GUN 001-010;
MCDP -303 is basic
(2)
GUN 011-999;
the -305 MCDP is installed.
E. Maintenance Control Display Panel Interfacing Systems (Fig. 2)
(1)
The primary MCDP interfaces are with each FCC, FMC, and TMC. Secondary interfaces with the MCDP consist of FCC and TMC individual system sensors. Both primary and secondary interfaces are monitored by the MCDP during ground test functions.
(2)
Primary Interfaces
(a)
The left, center, and right flight control computers use ARINC 429 data buses for transmitting interface fault data to the MCDP and receiving ground test data from the MCDP. Analog discrete lines are used for ground test control.
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