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Kenwood NX-800 3. , Control Head Remote Kit (KRK-10 : Option)

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NX-800

10

INSTALLATION

■

Install the KRK-10 main panel onto the transceiver

4. Insert the flat cable that was removed in step 2 above into

the connector (CN1) of the interface unit (A/2) of the KRK-

10 main panel (A62-1101-11). ( u)

Note : The terminal side of the flat cable must face down

when inserting the flat cable into the connector.

5. Fit the main panel with four tabs onto the front of the

chassis. ( i)

Note : When installing the main panel onto the front of the

chassis, hold down the flat cable with your fingers to pre-

vent it from being caught.

■ Install the KRK-10 rear panel onto the front panel

6. Insert the flat cable attached to the interface unit (A/2) of

the KRK-10 rear panel (A82-0056-21) into the connector

(CN901) of the display unit of the panel ( o). (The flat

cable has been pre-inserted in the connector (CN2) of the

rear panel at the time of shipping.)

Note : The terminal side of the flat cable must face down

when inserting the flat cable into the connector.

7. Fit the four tabs of the rear panel into the front panel. (!0 )

CN901

CN2 KRK-10 rear panel

!0o

CN1

KRK-10 main panel

ui

Fig. 3-3

Fig. 3-4

3. Control Head Remote Kit (KRK-10 : Option)

The KRK-10 remote kit is used to remotely operate the

transceiver.

3-1. Installing the KRK-10 kit to the transceiver

1. Remove the front panel from the transceiver.

2. Install the KRK-10 main panel onto the transceiver.

3. Install the KRK-10 rear panel onto the front panel.

4. Connect the KRK-10 main panel to the rear panel with the

cable.

■ Remove the front panel from the transceiver

1. Lift the two tabs of the panel on the bottom of the trans-

ceiver with a flat-head screwdriver ( q) and remove the

panel from the chassis ( w).

Note : Confirm that the tabs of the speaker hardware fix-

ture and holder is securely fitted in the front panel.

2. Remove the flat cable from the connector (CN901) of the

display unit of the panel. ( e)

3. Fold the black line of the flat cable (in three parts) as

shown in Figure 3-2. ( r, t, y)

CN901

q

w

e

r

t

y

y

r

t

Chassis

side

Panel

side

Fig. 3-1

Fig. 3-2

Contents

Main UHF DIGITAL TRANSCEIVER NX-800 SERVICE MANUAL CONTENTS Document Copyrights Disclaimer GENERAL PERSONAL SAFETY PRE-INSTALLATION CONSIDERATIONS 1. UNPACKING 2. LICENSING REQUIREMENTS GENERAL SERVICE NOTE SYSTEM SET-UP 1. Modes 2. How to Enter Each Mode 3. Panel Test Mode 4. Panel Tuning Mode Fig. 1 6. Firmware Programming Mode 6-1. Preface 6-2. Connection procedure Note : 6-3. Programming 8. Firmware Version Information NX-800 1. Ignition Sense Cable (KCT-46 : Option) r y Fig. 2-4 2. Horn Alert/P.A. Relay Unit (KAP-2 : Option) q w e Fig. 2-1 Fig. 2-2 Fig. 2-3 3. Fig. 3-2 Install the KRK-10 main panel onto the transceiver w q 4. Voice Guide & Storage Unit (VGS-1 : Option) 4-1. Installing the VGS-1 unit in the transceiver Fig. 5-3 KAP-2 Cable (E37-1113-15) 6-pin Connector Fig. 5-2 5. External Speaker (Option) 5-1. KES-3 Connection Procedure 5-2. KES-5 or KES-6 Fig. 5-1 6. GPS Receiver Connection 6-1. Installing the GPS receiver Fig. 6-4 6-2. Fig. 6-5 Installing the GPS receiver together with the VGS-1 r 1. Precautions on Disassembly e r Top packing installation procedure w 2. Precautions on Reassembly Fig. 3 TX-RX PCB (TX-RX unit A/2) Reassembly w q Page 3. Receiver System 3-1. RF circuit Fig. 2 1. Overview Fig. 1 Frequency configuration 3-3. IF circuit 3-4. Audio amplifier circuit Fig. 4 3-5. Squelch Circuit Fig. 3 4. Transmitter System 4-1. Audio Band Circuit 4-2. Base Band Circuit Fig. 5 5. PLL Frequency Synthesizer 5-1. VCTCXO (X1) Fig. 7 5-2. VCO 5-3. PLL IC (IC3) 6. Control Circuit 6-1. CPU 6-2. Memory Circuit 6-3. Display Unit 6-4. Key Detection Circuit 8. Signaling Circuit Fig. 8 8-1. Encode (QT/DQT/DTMF/MSK/2TONE) 8-2. Decode (QT/DQT/DTMF/2TONE/MSK) 9. Compander Circuit TX-RX unit (X57-7390-10) : NX-800 Display unit (X54-3640-10) Page Page CAPACITORS CC 45 TH 1H J220 12346 5 1 C RESISTORS NX-800 NX-800 (Y51-5150-XX) DISPLAY UNIT (X54-3640-10) DISPLAY UNIT (X54-3640-10) TX-RX UNIT (X57-7390-11 for service) DISPLAY UNIT (X54-3640-10) Page Page Page Page Page Page Page Page Page TX-RX UNIT (X57-7390-11) EXPLODED VIEW PACKING CD Parts with the exploded numbers larger than 700 are not supplied. 1 2 TROUBLE SHOOTING Fault diagnosis of the BGA (Ball Grid Array) IC TROUBLE SHOOTING Controls KMC-36 Temperature [PTT] Panel Test Mode Panel Tuning Mode Preparations for tuning the transceiver Transceiver tuning (To enter tuning mode) LCD display in panel tuning mode An CNTR 256 5 reference level adjustments frequency Key operation Adjustment item and Display Page Panel tuning mode flow chart Test Equipment Required for Alignment MIC connector (Front panel view) Test cable for microphone input (E30-3360-08) Tuning cable (E30-3383-05) Radio Check Section Common Section Transmitter Section Page Page Page Page Receiver Section Mode, Signaling, Necessary adjustment and order Page Page Page Page Display unit (X54-3640-10) TX-RX unit (X57-7390-10) (A/2) TX-RX unit (X57-7390-10) (B/2) Solder Land Page Page CN595 26-pin connector specification Page D-sub 25-pin connector specification Page PC BOARD NX-800 TX-RX UNIT (X57-7390-10) (B/2) Component side view (J79-0130-19 B/2) TX-RX UNIT (X57-7390-10) (B/2) Foil side view (J79-0130-19 B/2) JIHGFEDCBA JKLMNOPQRS TX-RX UNIT (X57-7390-10) (A/2) Page JKLMNOPQRS JIHGFEDCBA DISPLAY UNIT (X54-3640-10) Foil side view (J79-0157-19) TX-RX UNIT (X57-7390-10) ABCDE 1 2 X57-739 1/16 3 4 FGHIJ X57-739 2/16 NX-800 X57-739 3/16 KLMNO X57-739 4/16 PQRST X57-739 5/16 UVWXY X57-739 6/16 ZAA AB AC AD X57-739 7/16 AE AF AG AH AI X57-739 8/16 AJ AK AL AM AN X57-739 9/16 AO AP AQ AR AS X57-739 10/16 AT AU AV AW AX X57-739 11/16 AY AZ BA BB BC X57-739 12/16 BD BE BF BG BH X57-739 13/16 BI BJ BK BL BM TX-RX UNIT (X57-7390-10) X57-739 14/16 BN BO BP BQ BR C611 GND1 GND2 OUT BS BT BU BV BW TX-RX UNIT (X57-7390-10) DISPLAY UNIT (X54-3640-10) X57-739 16/16, X54-364 1/3 BX BY BZ CA CB Note : The components marked with a dot () are parts of layer 1. X54-364 2/3 CC CD CE CF CG DISPLAY UNIT (X54-3640-10) LCD CLCKCJCICH 1 Note : The components marked with a dot () are parts of layer 1. DISPLAY UNIT (X54-3640-10) 2 3 4 INTERCONNECTION DIAGRAM CN901 LCD X54-364*-** DISPLAY UNIT CN905 INTERCONNECTION DIAGRAM RA30H4452M123 X57-739*-** CN549 B/2 Page BLOCK DIAGRAM Ripple TEMP MCF LNA LEVEL DIAGRAM Receiver Section Transmitter Section LEVEL DIAGRAM 4 SPECIFICATIONS GENERAL RECEIVER TRANSMITTER PC BOARD NX-800 TX-RX UNIT (X57-7390-10) (B/2) Component side view (J79-0130-19 B/2) TX-RX UNIT (X57-7390-10) (B/2) Foil side view (J79-0130-19 B/2) JKLMNOPQRSIHGFEDCBA 72 73 JKLMNOPQRSIHGFEDCBA 74 75 76 77 Note : The components marked with a dot () are parts of layer 1. TX-RX UNIT (X57-7390-10) DISPLAY UNIT (X54-3640-10) TX-RX UNIT (X57-7390-10) D-SUB25 INTERCONNECTION DIAGRAMINTERCONNECTION DIAGRAM RA30H4452M123 LCD CN549 LA4425A BLOCK DIAGRAMBLOCK DIAGRAM Ripple TEMP SW CD IC510 LEVEL DIAGRAMLEVEL DIAGRAM 4