Name: Garmin G1000 NXi
Brand: Garmin
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G1000 NXi System Maintenance Manual Page 25

King Air 300 Series Revision 1

190-00716-N1

Figure 2-25, 300 Series Electrical Distribution (Post G1000 STC)

Table of Contents4
Introduction14
Content, Scope, Purpose14
Organization15
Definitions/Abbreviations16
Units of Measure17
Publications17
Table 1-1, Required Documents17
Table 1-2, Reference Publications18
Revision and Distribution19
System Description20
Equipment Descriptions20
Figure 2-1, Display Units21
Figure 2-2, Flight Stream 51022
Figure 2-3, Audio Panel22
Figure 2-4, AFCS Controller23
Figure 2-5, FMS Controller23
Figure 2-6, Transponders24
Figure 2-7, GIA Unit26
Figure 2-8, GEA Unit26
Figure 2-9, GSU-75B ADAHRS with Connector and Mounting Tray27
Figure 2-10, GDC 7400 Air Data Computer28
Figure 2-11, OAT Probe28
Figure 2-12, AHRS29
Figure 2-13, Magnetometer30
Figure 2-14, GDL 69A/69A SXM Datalink30
Figure 2-15, GDL 59 Wi-Fi Datalink31
Figure 2-16, GSR 56 Satellite Receiver31
Figure 2-17, GSD 41 Data Concentrator32
Figure 2-18, GTS 820/850 Traffic System32
Figure 2-19, GTS Traffic Processor33
Figure 2-20, Weather Radar33
Figure 2-21, Servo34
Figure 2-22, GSA 9000 / GSM 910034
Figure 2-23, GRA 5500 Radar Altimeter34
Figure 2-24, MD 302 Standby Attitude Module35
G1000 Optional Interfaces36
Electrical Power Distribution37
Figure 2-25, 300 Series Electrical Distribution (Post G1000 STC)38
Figure 2-26, G1000 Component Power Sources39
Electrical Load Utilization40
Table 2-1, Electrical Loads40
Pitot/Static System48
Figure 2-27, Pitot/Static System with ADC(S) and AHRS(S) Installed48
Figure 2-28, Pitot/Static System with GDU 75B ADAHRS(S) Installed49
Shield Block Grounds50
G1000Nxi /GFC700 Block Diagrams50
Figure 2-29, G1000Nxi/Gfc 700 Block Diagram with GSU 75B ADAHRS50
Figure 2-30, G1000Nxi/Gfc 700 Block Diagram with Separate ADC and AHRS51
GDU 1050A and GDU 1550 Displays52
Figure 2-31, GDU 1050A Control Interface52
Figure 2-32, GDU 1550 Control Interface52
Softkeys53
FMS Knob53
Figure 2-33, G1000 Softkeys53
GCU 477 - MFD Controller54
GMC 710 - AFCS Controls54
Figure 2-34, MFD Controls (GCU 477 Shown)54
Figure 2-35, AFCS Controls (GMC 710 Shown)54
GMA 1347D Audio Panel55
Figure 2-36, GMA 1347D Controls55
G1000 Normal Mode56
Reversionary Mode57
Figure 2-37, Normal Mode57
Figure 2-38, Automatic Reversion with MFD Failure57
Figure 2-39, Manual Reversion with Pilot PFD Failure57
Software and Configuration58
Configuration Mode Overview58
Figure 3-1, SET>ACTV Diagram59
Figure 3-2, Loss of Communication60
Figure 3-3, Configuration Status60
Figure 3-4, Data Transmission Indicators60
G1000 System Software Information63
Figure 3-5, G1000 LRU Configuration File Storage70
Figure 3-6, GSU/GRS/GDC Configuration Settings Storage71
Configuration Mode72
G1000 Hardware/Software Compatibility Check72
Equipment Verification (Third Party/Optional Equipment Documentation)73
Figure 3-7, Garmin Unit S/N Location74
Figure 3-8, Garmin Unit Listed if Installed75
Figure 3-9, Ethernet Connections Page76
Figure 3-10, ESP Status Field77
Configuration Checklist78
G1000 Software/Configuration Procedure80
Figure 3-11, Software/Configuration Overview80
System Software and Configuration Load81
Feature Enablement89
Aircraft Registration Number Entry97
Configuration Manager99
Splash Screen Loading99
Clearing Default User Settings100
Database Loading100
Figure 3-12, MFD aux - Database Page DB Transfer101
Configuration of Navigation Map for Traffic System102
Enter Flight ID for GTX 3000 Installations102
GRA 5500 Legacy Software and Configuration (Non Integrated)103
Interface Confirmation106
Figure 3-13, Stormscope Configuration Page106
Figure 3-14, Stormscope Configuration106
MD 302 Configuration and Sensor Calibration107
Instructions for Continued Airworthiness112
Airworthiness Limitations112
Servicing Information113
Maintenance Intervals116
Table 4-1, Maintenance Intervals116
Table 4-2, Discontinued Maintenance Intervals121
Visual Inspection122
Table 4-3, Nose Section Visual Inspection Procedure122
Table 4-4, Nose Avionics Compartment Visual Inspection Procedure122
Table 4-5, Pilot's Compartment Visual Inspection Procedure123
Table 4-6, Instrument Panel G1000 Equipment Visual Inspection Procedure124
Table 4-7, Cabin Area Visual Inspection Procedure125
Table 4-8, Rear Fuselage and Empennage Visual Inspection Procedure126
Electrical Bonding Test127
Table 4-9, Lightning Strike Inspection Procedure127
GSU 75B, GRS 77, or GRS 7800 Earth Magnetic Field Updates130
GSA 80 Greasing Procedure130
Flaps-In-Motion Discrete Input Check131
Figure 4-1, GIA I/O Page131
Figure 4-2, Discrete Indications131
GSM 86 Slip Clutch Torque Check Procedure132
Figure 4-3, GFC Status Page132
Table 4-10, GSM 86 Slip Clutch Torque Settings134
G1000 Redundant Connection Check135
Engine Data Check139
Table 4-11, Engine Data Check Test Equipment139
Table 4-12, ITT Indication Test Points139
Figure 4-4, Ambient Temperature Conversion Chart140
Trim Annunciator Check141
Table 4-13, Torque Indication Test Points141
G1000 Miscompare Checks143
Nose Avionics Compartment Fans Operational Check144
Instrument Panel Fans Operational Check145
Standby Battery Periodic Checks145
Table 4-14, Standby Battery Required Equipment145
Figure 4-5, Standby Battery146
Rudder Boost Operational Check149
Figure 4-6, Power Supply Connection149
Exterior Skin Inspection Around Antennas150
Figure 4-7, Exterior Skin Inspection Around Antennas150
Troubleshooting151
Figure 5-1, aux - System Status Page151
System Annunciations152
Figure 5-2, System Annunciations152
G1000 Alerting System176
Figure 5-3, Alerts & Annunciations176
Figure 5-4, Alerts Softkey Annunciation176
Aural & Audio Alerts177
King Air 300 Series Specific Alerts179
TAWS Troubleshooting180
Synthetic Vision and Pathways Troubleshooting181
Table 5-1, SVS Troubleshooting181
Table 5-2, SVS-Related Alert Messages181
GFC 700 AFCS Troubleshooting182
Figure 5-5, AFCS Annunciation Field182
General Troubleshooting183
Table 5-3, AFCS Annunciation Troubleshooting183
Table 5-4, AFCS General Troubleshooting184
Figure 5-6, GFC Status Page185
Backup Communications Path Checks195
GDU 105X Troubleshooting195
GDU 105X Alerts197
GIA 63 Troubleshooting205
GIA Alert Messages206
GEA Troubleshooting212
GTX Troubleshooting213
GDL 69A or GDL69A SXM Troubleshooting214
GSU 75B, GRS 77, or GRS 7800 and GMU 44 Troubleshooting216
Figure 5-7, Magnetometer Interference Test219
Table 5-5, Magnetometer Interference Test Sequence220
GSU 75B/GDC 7400 Troubleshooting221
GWX 68 or GWX 70 Troubleshooting222
GMC 710 Troubleshooting223
GCU 477 Troubleshooting224
Software/Configuration Troubleshooting225
Backshell/Backplate Connectors227
Figure 5-8, GIA 63W Backplate Connectors227
Figure 5-9, GEA 71 Backplate Connectors228
Figure 5-10, GMA 1347D Backplate Connectors228
Figure 5-11, GTX 33/33D Backplate Connectors228
Figure 5-12, GTX 3000 Connectors (P3301 and P3302)229
Figure 5-13, GTX 335R/345R Looking at Front of Connector (P3251)229
Figure 5-14, GTX 345R (Only) Looking at Front of Connector (P3252)230
Figure 5-15, GDU 1050A/1550 Backshell Connector (P10401 or P15001)230
Figure 5-16, GRS 77 Backshell Connector (P771)230
Figure 5-17, GRS 7800 Backshell Connector (P78001)231
Figure 5-18, GSU 75B Connector View from Front (P751)231
Figure 5-19, GDC 7400 Mating Connector (P74001)231
Figure 5-20, GDL 69A/GDL 69A SXM Backplate Connector (P69A1)231
Figure 5-21, GCU 477 Backshell Connector (P4751)232
Figure 5-22, GMC 710 Backshell Connector (P7101)232
Figure 5-23, GWX 68 Backshell Connector (P681)232
Figure 5-24, GWX 70 Backshell Connector (P751)232
Figure 5-25, GTS 820/850 Mating Connectors (P8001 and P8002)232
Figure 5-26, GTS 820/850 Mating Connector (P8003) (Rear View)233
Figure 5-27, GTS Processor Connector (P8001)233
Figure 5-28, GPA 65 Mating Connector (P651) (Rear View)233
Figure 5-29, Signal Conditioner (1PVIB1 and 2PVIB1)233
Figure 5-30, GDL 59 Mating Connector (1P591)234
Figure 5-31, GSR 56 Mating Connector (1P561)234
Figure 5-32, GRA 5500 Connector (P55001)234
Figure 5-33, GSD 41 Backplate Connector (P411)234
Figure 5-34, GSA 9000 Mating Connector (P90001)234
Mechanical Standby Attitude Indicator Troubleshooting235
Mechanical Standby Airspeed Indicator Troubleshooting235
Mechanical Standby Altimeter Troubleshooting236
MD 302 Standby Indicator Troubleshooting236
GDL 59 Troubleshooting237
GSR 56 Troubleshooting237
GTS 820/850 Troubleshooting237
GTS Traffic Processor Troubleshooting239
Equipment Removal & Installation241
Gdu 1050A/1550242
GMA 1347D Audio Panel242
GIA 63W Integrated Avionics Units243
GEA 71 Engine/Airframe Unit243
GTX 33( ) or GTX 3000 Transponder244
GTX 335R/GTRX 345R Transponder245
GDC 7400 Air Data Computer245
GTP 59 OAT Probe246
GRS 77 or GRS 7800 AHRS or GSU 75B ADAHRS246
GMU 44 Magnetometer247
GDL 69A or GDL 69A SXM249
GSA 80 and GSA 9000 Servo Motors249
Figure 6-1, GSA 80 Servo Gear250
Figure 6-2, GSM 9100 O-Ring250
Table250
GSM 86 and GSM 9100 Servo Gearbox251
Gcu 477251
Gmc 710251
GWX 68 or GWX 70252
Configuration Modules252
Figure 6-3, Configuration Module Installation253
Table 6-1, Configuration Module Kit - 011-00979-00253
Figure 6-4, GRS 7800 Configuration Module Installation254
Table 6-2, GRS 7800 Configuration Module Parts254
Figure 6-5, GSU 75B Configuration Module Installation255
Table 6-3, GSU 75B Configuration Module Kit - 011-00979-20255
GEA 71 Backshell Thermocouple Removal & Replacement257
Figure 6-6, GEA Backshell Thermocouple257
Table 6-4, Thermocouple Kit (011-00981-00)257
GPS/WAAS Antennas258
Diversity Transponder Antenna258
Iridium Antenna259
Wi-Fi Antenna259
Signal Conditioners260
Instrument Panel Annunciators (Prop Synch and Standby Battery)260
Emergency Frequency Switch/Annunciator261
L-3 Avionics (BF Goodrich) PS-835(C or D Model) Emergency Battery261
MD 302 Standby Attitude Module (SAM)261
Figure 6-7, MD 302 Backshell and Config Module263
Mechanical Standby Indicators264
GIA Cooling Fans266
GDU Cooling Fans266
GTS 820/850 and GTS Processor Traffic Units267
GPA 65 PA/LNA Unit267
GA 58 Traffic Antennas268
GDL 59 Wi-Fi Datalink268
GSR 56 Satellite Receiver269
GRA 5500 Radar Altimeter269
GSD 41 Data Concentrator270
Garmin G1000 Lru Replacement/Configuration & Testing271
Gdu 1050A/1550 Pfd & Mfd271
Figure 7-1, G1000 Normal Mode Check274
GMA 1347D Audio Panel275
GIA 63W Integrated Avionics Unit282
Figure 7-2, aux - GPS Status Page (MFD)289
GEA 71 Engine/Airframe Unit293
Figure 7-3, Normal Engine Instrument Markings (MFD)296
Table 7-1, ITT Indication Test Points298
Figure 7-4, Ambient Temperature Conversion Chart299
Table 7-2, Torque Indication Test Points300
Table 7-3, N1 Indication Test Points301
Table 7-4, N2 Indication Test Points303
Table 7-5, Fuel Flow Indication Test Points304
Table 7-6, Oil Pressure Test Points305
Table 7-7, Oil Temperature Test Points306
GTX 335R, GTX 345R, GTX 33( ), or GTX 3000 Transponder307
Figure 7-5, Aircraft Registration309
Gsu 75B Adahrs310
GDC 7400 Air Data312
Table 7-8, Air Data System Test315
Table 7-9, Vertical Speed Table317
GRS 77 or 7800 AHRS and GMU 44 Magnetometer318
GMU 44 Magnetometer320
GSU/GRS/GMU Calibration Procedures321
Table 7-10, Required GRS/GMU Calibrations322
Figure 7-6, GRS/GMU Calibration, Pitch/Roll Offset323
Figure 7-7, GRS/GMU Calibration, Engine Run-Up327
Figure 7-8, Normal Mode AHRS Check329
GDL 69A or GDL 69A SXM Data Link330
GSA 80 Servos332
GCU 477 FMS Controller334
GMC 710 AFCS Controller337
GWX 68 or GWX 70 Weather Radar339
GRA 5500 Radar Altimeter341
Garmin Traffic Systems (GTS 8XX/GTS 8XXX)343
Gdl 59348
Gsr 56351
Gsd 41352
Subsystem Functional Checks354
Non-Garmin Traffic System Functional Check354
Stormscope Functional Check355
TAWS Functional Check357
Flitecharts Functional Check360
Chartview Functional Check361
Safetaxi Functional Check362
DME Functional Check363
ADF Functional Check364
GRA 5500 Radar Altimeter Functional Check364
Non-Garmin Radar Altimeter Check (Optional)364
Weight on Wheels and Low Speed Awareness Band Check365
RVSM Checks366
Figure 8-1, Low Speed Awareness Band Symbolization366
Table 8-1, RVSM Required Avionics367
Figure 8-2, RVSM Critical Region368
Figure 8-3, RVSM Critical Region (Modified)370
Figure 8-4, Dial Indicator371
Figure 8-5, Static Port Measurement371
Figure 8-6, Static Port Measurement Locations372
Figure 8-7, Static Port Measurement Log372
Table 8-2, In-Flight Altitude Hold Performance Test373
ESP Functional Check374
GTS Traffic System Functional Check377
Figure 8-8, Traffic Map377
Activation of Garmin Connext380
GDL 59 Wi-Fi Data Link Functional Check382
GSR 56 Satellite Receiver Functional Check382
Figure 8-9, GSR56 Configuration Page383
Figure 8-10, Aux-Telephone Page383
Search and Rescue Functional Check384
G1000 System Return to Service Procedure385
Display Test385
Figure 9-1, MFD Power up Page385
Figure 9-2, PFD Power-Up System Annunciations386
Figure 9-3, PFD Normal Operation387
Display Failure Test388
Reversion Mode Check389
Figure 9-4, GDU Reversionary Mode389
Cooling Fan Fail Annunciation Check390
GPS Signal Acquisition390
GPS Failure Test391
Figure 9-5, AUX-GPS Status Page391
GIA Failure Test393
GEA Functional Check394
Standby Instrument Electrical Power Checks395
G1000 Backup Path Test397
GFC 700 Ground Checkout397
Maintenance Records402

Manufacturer	Garmin
Display Type	LCD
Resolution	1024 x 768 pixels (XGA)
Power Supply	28 VDC
Operating Temperature	−20°C to +55°C

Garmin G1000 NXi Service Manual

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