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want to see MORE DETAILS. Push YES to see more details
about the fault.
YDS - TRAINING INFORMATION POINT - SMYD BITE - SERVO TEST
EFFECTIVITY
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YDS - TRAINING INFORMATION POINT - SMYD BITE - SERVO TEST
EFFECTIVITY
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THIS PAGE IS INTENTIONALLY LEFT BLANK
YDS - TRAINING INFORMATION POINT - SMYD BITE - SERVO TEST
22-23-00
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737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
Other Functions
OTHER FUNCTIONS is the last of four main menu items in the
SMYD BITE. It has these sub-menus:
* SYSTEM CONFIG
* I/O MONITOR
* SET OUTPUTS.
To enter OTHER FUNCTIONS, push the YES key for this
selection. You can then scroll through the sub-menu items with
the arrow keys, and push the YES key to see data for the
desired selection.
System Configuration
In the SYSTEM CONFIG sub-menu, you can verify these system
configurations for the SMYD LRU:
* Part number
* Software Level
* Position (1 or 2) in E/E bay
* Airplane model
* FAA or CAA/FAA.
This menu provides hardware part number and software level,
SMYD position, airplane type, and FAA or FAA/CAA
configuration for speed tape displays of Vmo/Mmo.
I/O Monitor
In the I/O MONITOR sub-menu you can verify these ARINC 429
input/output data to the SMYD:
* ARINC 429 inputs
* ARINC 429 low speed outputs
* ARINC 429 high speed outputs.
You can see the actual data being transmitted on data words
that you select for these systems:
* On-side IR bus
* Off-side IR bus
* On-side ADR bus
* CDS DEU bus
* FMC bus
* DFCS MCP bus
* SMYD cross-channel bus.
The value of the data transmitted on each data word shows and
includes the units such as degrees or degrees per second,
knots airspeed, gross weight, and Bit status whether 1 or 0.
Refer to the section on SMYD digital interfaces for information
about digital input/output data.
YDS - TRAINING INFORMATION POINT - SMYD BITE - OTHER FUNCTIONS
EFFECTIVITY
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Set Outputs
In the SET OUTPUTS sub-menu, you do a test of the two output
signals for EFSM operation. SS CMD does a test of the 28v dc
power supply to the stick shaker (SS) and the elevator feel shift
module (EFSM). The combined SS CMD & EFSM CMD does a
test of the electrical ground signal provided to the EFSM and
completes the circuit for EFSM operation.
YDS - TRAINING INFORMATION POINT - SMYD BITE - OTHER FUNCTIONS
EFFECTIVITY
SHZ ALL 22-23-00
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YDS - TRAINING INFORMATION POINT - SMYD BITE - OTHER FUNCTIONS
YDS - TRAINING INFORMATION POINT - SMYD BITE - OTHER FUNCTIONS
EFFECTIVITY
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General
This page is for reference.
YDS - SMYD 1 - SYSTEM SUMMARY
EFFECTIVITY
SHZ ALL 22-23-00
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YDS - SMYD 1 - SYSTEM SUMMARY
YDS - SMYD 1 - SYSTEM SUMMARY
EFFECTIVITY
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General
The autothrottle (A/T) computer uses data from airplane
sensors to calculate engine thrust. The A/T system controls
engine thrust in response to mode requests from the flight crew
through the DFCS MCP and flight deck switches, and from the
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