Manual do usuário Kenwood UHF DIGITAL TRANSCEIVER NX-800

Manual para o dispositivo Kenwood UHF DIGITAL TRANSCEIVER NX-800

Dispositivo: Kenwood UHF DIGITAL TRANSCEIVER NX-800
Categoria: Car Audio
Fabricante: Kenwood
Tamanho: 4.77 MB
Data de adição: 10/25/2014
Número de páginas: 110
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Resumos

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Resumos do conteúdo
Resumo do conteúdo contido na página número 1

UHF DIGITAL TRANSCEIVER
NX-800
SERVICE MANUAL
© 2007-12 PRINTED IN JAPAN
( )
B51-8803-00 S 343
Metallic cabinet
(A01-2194-11)
Key top
Panel assy
(K29-9401-03)
(A62-1162-03)
Microphone
(T91-0639-35)
CONTENTS
GENERAL .................................................................. 2 TERMINAL FUNCTION ........................................... 62
SYSTEM SET-UP ...................................................... 4 PC BOARD
REALIGNMENT ......................................................... 5

Resumo do conteúdo contido na página número 2

NX-800 GENERAL Document Copyrights PERSONAL SAFETY Copyright 2007 by Kenwood Corporation. All rights reserved. The following precautions are recommended for personal No part of this manual may be reproduced, translated, safety : distributed, or transmitted in any form or by any means, elec- •DO NOT transmit if someone is within two feet (0.6 tronic, mechanical, photocopying, recording, or otherwise, meter) of the antenna. for any purpose without the prior written permission of •DO NOT transmit u

Resumo do conteúdo contido na página número 3

NX-800 GENERAL 4. PLANNING THE INSTALLATION SERVICE 4-1. General This radio is designed for easy servicing. Refer to the Inspect the vehicle and determine how and where the ra- schematic diagrams, printed circuit board views, and align- dio antenna and accessories will be mounted. ment procedures contained in this manual. Plan cable runs for protection against pinching or crushing wiring, and radio installation to prevent overheating. NOTE 4-2. Antenna • If you do not intend to use the speaker 3

Resumo do conteúdo contido na página número 4

NX-800 SYSTEM SET-UP Merchandise received License and frequency allocated by FCC Frequency range RF power Type Choose the type of transceiver 450.0~520.0MHz 30W K YES Are you using See page 10. KRK-10 the remote kit? (Option) NO Are you using YES See page 8. KCT-46 the ignition sense cable? (Option) NO See page 5. Transceiver programming A personal computer (IBM PC or compatible), programming interface (KPG-46/46A), and programming software (KPG-111D) are required for programming. Are you using

Resumo do conteúdo contido na página número 5

NX-800 REALIGNMENT 1. Modes 4. Panel Tuning Mode Setting method refer to ADJUSTMENT. User mode Panel test mode 5. PC Mode Panel tuning mode 5-1. Preface PC mode Data programming mode The transceiver is programmed by using a personal com- puter, programming interface (KPG-46/46A) and program- ming software (KPG-111D). Firmware PC tuning mode PC test mode programming mode The programming software can be used with a PC or com- patible. Figure 1 shows the setup of a PC for programming. Clone mode P

Resumo do conteúdo contido na página número 6

NX-800 REALIGNMENT 5-3. KPG-46/KPG-46A description 6. Press write button in the window. When the transceiver starts to receive data, the [LOADING] display lights. (PC programming interface cable: Option) 7. If writing ends successfully, the checksum is calculated The KPG-46/46A is required to interface the transceiver to and a result is displayed. the computer. It has a circuit in its D-sub connector (KPG-46 8. If you want to continue programming other transceivers, : 25-pin, KPG-46A :

Resumo do conteúdo contido na página número 7

NX-800 REALIGNMENT 3. • How to enter the password with the microphone keypad; If you press a key while “CLONE LOCK” is displayed, the number that was pressed is displayed on the transceiver. Each press of the key shifts the display in order to the left. When you enter the password and press the [ ] key, * “CLONE MODE” is displayed if the entered password is correct. If the password is incorrect, “CLONE LOCK” is redisplayed. • How to enter the password with the [ ] and [ ] keys; If the [ ] and [

Resumo do conteúdo contido na página número 8

NX-800 INSTALLATION 1. Ignition Sense Cable (KCT-46 : Option) The KCT-46 is an optional cable for enabling the ignition function. The ignition function lets you turn the power to the transceiver on and off with the car ignition key. 1-1. Connecting the KCT-46 cable to the transceiver 1. Open the KCT-46 fuse holder and insert a mini blade fuse (3A). (q ) 2. While holding a clear protective cover, remove the black w cap at the end of the yellow cable (ignition sense cable) of the transceiver. (w

Resumo do conteúdo contido na página número 9

NX-800 INSTALLATION 2. Horn Alert/P.A. Relay Unit (KAP-2 : Option) The Horn alert (max. 2A drive), Public address and External 5. Place the relay unit at the position shown in Figure 2-2 and speaker function are enabled by installing the KAP-2 in the secure it to the chassis with a screw. transceiver. 6. Remove the cap on the rear of the chassis by pushing it from the inside with your finger. (r ) 7. Pass the 6-pin connector of the cable (E37-1113-05) 2-1. Installing the KAP-2 unit in the transc

Resumo do conteúdo contido na página número 10

NX-800 INSTALLATION ■ Install the KRK-10 main panel onto the transceiver 3. Control Head Remote Kit (KRK-10 : Option) 4. Insert the flat cable that was removed in step 2 above into The KRK-10 remote kit is used to remotely operate the the connector (CN1) of the interface unit (A/2) of the KRK- transceiver. 10 main panel (A62-1101-11). (u ) Note : The terminal side of the flat cable must face down 3-1. Installing the KRK-10 kit to the transceiver when inserting the flat cable into the connector.

Resumo do conteúdo contido na página número 11

NX-800 INSTALLATION ■ Connect the KRK-10 main panel to the rear panel with the cable 8. Insert one 14-pin connector of the cable (E30-7514-15) 10. Install the molded cover (!3 ) over the connector on the into the connector (CN3) of the interface unit (A/2) of the main panel and secure it with two screws (!4 ). main panel. (!1 ) 11. Insert the other 14-pin connector of the cable into the Note : Insert the connector that has a sticker onto the connector (CN4) of the interface unit (B/2) of the rea

Resumo do conteúdo contido na página número 12

NX-800 INSTALLATION ■ Connection Procedure 5. External Speaker (Option) Insert the crimp terminal into the Square plug supplied 5-1. KES-3 with the KAP-2. The KES-3 is an external speaker for the 3.5-mm-diameter speaker jack. ■ Connection Procedure 1. Connect the KES-3 to the 3.5-mm-diameter speaker jack on the rear of the transceiver. Black/White 4 lead Square plug 5 (E59-0419-05) Black lead Insulating cover (F29-0481-15) Fig. 5-3 Fig. 5-1 5-2. KES-5 or KES-6 ■ KAP-2 Cable (E37-1113-15) 6-pin C

Resumo do conteúdo contido na página número 13

NX-800 INSTALLATION 3M Double coated cushion 6. GPS Receiver Connection No. 4016 (or No. 4416) 6-1. Installing the GPS receiver 30 x 25 mm 1. Remove the cabinet, top packing and shielding plate of the transceiver. 2. Remove the front panel from the transceiver. GPS receiver 3. Attach two cushions to the top of the GPS receiver. 4. Attach the GPS receiver to the shield case with two cush- ions as shown in Figure 6-2. 5. Solder each lead of the GPS receiver to a necessary loca- tion of each landin

Resumo do conteúdo contido na página número 14

NX-800 INSTALLATION 6-2. Installing the GPS receiver together with the VGS-1 1. Remove the cabinet, top packing and shielding plate of the transceiver. 2. Remove the front panel from the transceiver. GPS receiver 3. Attach a cushion to the bottom of the VGS-1 as shown in Figure 6-5. Note : Be sure not to cover the connector with the cush- ion. 4. Insert the VGS-1 connector (CN1) into the TX-RX unit (A/2) connector (CN595). 5. Perform step 3 to 6 of “6-1. Installing the GPS receiver” described on

Resumo do conteúdo contido na página número 15

NX-800 DISASSEMBLY FOR REPAIR ■ Removing the speaker hardware fixture 1. Precautions on Disassembly (J21-8481-03) and holder (J19-5485-02) ■ TX-RX PCB (TX-RX unit A/2) Disassembly 1. Remove the speaker lead from the holder hook. (q ) 1. Remove all screws and antenna terminals on the TX-RX 2. Remove the speaker connector from the display unit con- PCB. nector (CN902). (w ) 2. Rotate the bush of the power supply cable 90 degrees 3. When removing the speaker hardware fixture, insert a flat- counter

Resumo do conteúdo contido na página número 16

NX-800 DISASSEMBLY FOR REPAIR 2. Precautions on Reassembly ■ TX-RX PCB (TX-RX unit A/2) Reassembly w 1. With the TX-RX PCB turned over, insert the flat cable from the D-sub PCB (TX-RX unit B/2) into the connector (CN600) on the TX-RX PCB. 2. Place the TX-RX PCB at its original position, tilt the TX-RX PCB and install the chassis as shown in Figure 3. q Fig. 4-1 CN403 Fig. 3 Black IC715 ■ FINAL shield case (F10-2489-03) installation procedure Red IC403 1. Place the shield case on the final sectio

Resumo do conteúdo contido na página número 17

NX-800 DISASSEMBLY FOR REPAIR ■ D-sub cap installation procedure To improve water resistance, fit the D-sub cap into the D- w q sub terminal hardware fixture of the transceiver in the follow- ing order: 1. Fit the left side (q ) of the D-sub cap into the hardware fixture. 2. Fit the right side (w ) of the D-sub cap into the hardware fixture. 3. Fit the center (e ) of the D-sub cap into the hardware fix- Fig. 7-1 ture. Verify that the D-sub cap is in close contact with the hard- ware fixture. q S

Resumo do conteúdo contido na página número 18

NX-800 CIRCUIT DESCRIPTION 1. Overview 2. Frequency Configuration NX-800 is a UHF Mobile transceiver designed to operate in The receiver is a double-conversion super heterodyne the frequency range of 450 to 520MHz. The unit consists of using first intermediate frequency (IF) of 58.05MHz and sec- receiver, transmitter, phase-locked loop (PLL) frequency syn- ond IF of 450kHz. Incoming signals from the antenna are thesizer, base band parts, power supply, and control circuits. mixed with the local

Resumo do conteúdo contido na página número 19

NX-800 CIRCUIT DESCRIPTION 3-3. IF circuit The first IF signal is passed through a four-pole monolithic The second IF signal is passed through the ceramic filter crystal filter (XF202) to reject adjacent channel signal. The (CF201, CF202) to reject the adjacent channel signal. The filtered first IF signal is amplified by the first IF amplifier filtered second IF signal is amplified by AGC amplifier. (Q204, Q205) and then applied to the lF system IC (IC202). The signal from AGC amplifier is inp

Resumo do conteúdo contido na página número 20

NX-800 CIRCUIT DESCRIPTION 4-2. Base Band Circuit 4. Transmitter System The audio signal output from the base band circuit is con- 4-1. Audio Band Circuit verted to digital data of a sampling frequency of 48 kHz. This The signal from the microphone goes through the mute digital data is sent to the DSP (IC502), and voice signals of switch (Q706), the Mic-Mute signal (MM) becomes Low, 300Hz or lower and frequencies of 3kHz or higher are cut off then mute switch (Q706) is turned off. The signal f


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