manualshive.com logo in svg

Garmin GNC 250, Руководство по обслуживанию и ремонту

Garmin GNC 250 - это надежное и мощное авиационное устройство, предназначенное для пилотов. Для того чтобы быстро освоить функционал устройства, важно скачать бесплатное "Pilot’S Quick Reference Manual" с manualshive.com. Этот подробный руководство поможет вам полностью определиться с функциями и возможностями Garmin GNC 250.

Поделиться
Скачать
background image

3

Figure 1. GNC 250/300 Block Diagram

Содержание GNC 250

Страница 1: ...g f g h e f e e g g e e e he he g he g e e e g g he g g he e e e he he g he e C e e e e C e C he g e C he e e e e e e e e B e e e B B e e e B e e e e e e e e e e e e e e e e e e e e e f e B B g B e e...

Страница 2: ...RES 9 2 3 INITIAL TROUBLESHOOTING OPERATIONS 11 2 3 1 Power Supply Check 11 2 3 2 Internal Clock Check 11 2 4 TROUBLESHOOTING CHART 14 2 5 TROUBLESHOOTING COMM SECTION 16 SECTION 3 DISASSEMBLY INSTRUC...

Страница 3: ...RAM 5 FIGURE 4 RF IF BLOCK DIAGRAM 7 FIGURE 5 COMMUNICATION TRANSCEIVER 8 FIGURE 6 CPU BOARD TESTPOINTS TOP VIEW 12 FIGURE 7 CPU BOARD TEST POINTS BOTTOM VIEW 13 FIGURE 8 COM RECEIVER TEST SETUP 35 FI...

Страница 4: ...es in manufacturing technology In order to achieve the desired reliability size and power requirements surface mount components are used extensively Specialized equipment and procedures are required t...

Страница 5: ...14VDC Converter Contains circuitry for converting 28V power bus to 14V in 28V aircraft 1 2 DETAILED DESCRIPTION Internally the GNC 250 300 is divided into seven printed circuit boards the CPU GPS Rece...

Страница 6: ...3 Figure 1 GNC 250 300 Block Diagram...

Страница 7: ...by 20 column unit with variable intensity This display provides excellent day and night visibility from wide viewing angles The front panel provides function selection and alphanumeric input to the C...

Страница 8: ...5 The block diagram in Figure 3 below shows the interaction between the various CPU board circuits Figure 3 CPU Board Block Diagram...

Страница 9: ...ear connector J1 and from the AC adapter through a DC power jack located near the rear connector External battery pack power is also applied to the rear connector J1 All of these sources are diode iso...

Страница 10: ...nications Transceiver The VHF communications transceiver consists of the comm receiver board assembly and the transmitter board and casting assembly The VHF receiver is a single conversion super heter...

Страница 11: ...r using microphone input via the J2 connector to collector modulate the final two stages of the transmitter through power transistor Q34 The microphone circuits contain a compressor which limits the A...

Страница 12: ...card Replace Interface Board see Section 3 2 3 Data card write fail Replace user data card Replace Interface Board see Section 3 2 3 Fuel Air input fail Check connections to fuel air data system Repl...

Страница 13: ...onnection between CPU Board and Comm Receiver Board Replace comm chassis sub assembly see Section 3 2 2 Replace CPU board see Section 3 2 4 Remote ENT key stuck Verify that remote enter input to unit...

Страница 14: ...515 and ground as shown in Figure 7 The voltage should be between 17 00 and 67 00 volts If the voltage is out of the limits specified replace the CPU board 4 Check the DC voltage between L504 and grou...

Страница 15: ...12 Figure 6 CPU Board Testpoints Top View...

Страница 16: ...13 Figure 7 CPU Board Testpoints Bottom View...

Страница 17: ...nunciators do not function Replace Display Control Unit see Section 3 2 1 Replace CPU Board see Section 3 2 4 No external annunciator output s message arrival approach Check connections and verify ope...

Страница 18: ...output Replace CPU Board see Section 3 2 4 No external CDI output or external CDI functions improperly Check connections and verify operation in Test Mode see Section 4 2 3 Replace CPU Board see Sect...

Страница 19: ...at all times Verify connection between Control Display unit and CPU Board Verify connection between CPU Board and Comm Receiver Board Replace Control Display unit Replace comm chassis sub assembly se...

Страница 20: ...odulator transistor Q34 and from Q34 to transmitter Verify connection between CPU Board and Comm Receiver Board Replace comm chassis sub assembly see Section 3 2 2 steps 1 7 Replace modulator transist...

Отзывы:

Нет отзывов

Похожие инструкции для GNC 250

Baker Hughes Masoneilan 8000 Instruction Manual preview
Masoneilan 8000
Бренд: Baker Hughes Страницы: 24
AALogic ST-101 User Manual preview
ST-101
Бренд: AALogic Страницы: 17
Dwyer Instruments PROXIMITY Series Installation And Operating Instructions Manual preview
PROXIMITY Series
Бренд: Dwyer Instruments Страницы: 20
M-system Mini-M M2DU Instruction Manual preview
Mini-M M2DU
Бренд: M-system Страницы: 2
Cooper 703EUR-00 Installation And Programming Manual preview
703EUR-00
Бренд: Cooper Страницы: 120
Leica GMX902 GG User Manual preview
GMX902 GG
Бренд: Leica Страницы: 32
Lika DRAW WIRE SFP Series Manual preview
DRAW WIRE SFP Series
Бренд: Lika Страницы: 2
Zenith TELEVISION RECEIVER Operating Manual preview
TELEVISION RECEIVER
Бренд: Zenith Страницы: 8
Woxcon TPUH412RA User Manual preview
TPUH412RA
Бренд: Woxcon Страницы: 7
HAMPTON BAY SL-200-12A Use And Care Manual preview
SL-200-12A
Бренд: HAMPTON BAY Страницы: 11
Rohde & Schwarz SR8000 Series System Manual preview
SR8000 Series
Бренд: Rohde & Schwarz Страницы: 199
Mpow MBR2 User Manual preview
MBR2
Бренд: Mpow Страницы: 12
M-system 10AC Instruction Manual preview
10AC
Бренд: M-system Страницы: 2
Airmar P48W Owner'S Manual And Installation Instructions preview
P48W
Бренд: Airmar Страницы: 6
RCD 40103/202/3/5/10 Operating & Safety Manual preview
40103/202/3/5/10
Бренд: RCD Страницы: 2
Portech SC-100T User Manual preview
SC-100T
Бренд: Portech Страницы: 8
Yaesu PEP2000 - UPDATE V0150 AND V11.53 Update Manual preview
PEP2000 - UPDATE V0150 AND V11.53
Бренд: Yaesu Страницы: 8
Televes Digidom AV User Manual preview
Digidom AV
Бренд: Televes Страницы: 64

Бренды по названию

Популярные бренды

Загрузить еще бренды