Kenwood NEXEDGE NX-900 Service Manual Download Page 100

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NX-900

100

5.3mVrms

MIC

MIC input : 3kHz DEV. (Wide 5k), 2.4kHz DEV. (Wide 4k), 1.5kHz DEV. (Narrow) at 1kHz MOD.
Transmitting frequency : Center frequency

IC709

(MIC SUM1)

4.2mVrms

IC706

(MIC SUM2)

44.0mVrms

IC510

(ASIC)

65.6mVrms

IC702

(MOD SMF)

IC709

(MOD SMF)

–119.0dBm

–122.5dBm

0dBm

W5k: –97.0dBm
W4k: –97.0dBm
N: –97.0dBm

W5k: –102.5dBm
W4k: –102.5dBm
N: –103.5dBm

0dBm

–117.5dBm

–122.0dBm

–107.5dBm

–120.5dBm

BPF

L906

BPF

LPF/

ATT

RX VCO

L907

LPF

ANT

Radio Frequency

58.05MHz

450kHz

SG input level for 12dB SINAD are obtained Measured by
connecting SG to each point via a 0.01μF capacitor.

RF AMP

AMP

Q208

AMP

Q420

AMP

MCF

XF202

IF AMP

Q205

–106.0dBm

–8

–74.0dBm

IF AMP

Q204

–82.0dBm

IF AM

IC20

CF201
CF202

CF203

FM SYSTEM IC

IC202

1st Mixer

IC716

TX VCO

VCTCXO

19.2MHz

AMP

MOD

Wilkinson

Coupler

BPF

W5k: 190mVrms
W4k: 152mVrms
N: 95mVrms

8.0dBm

AMP

Q10

LEVEL DIAGRAM

Receiver Section

Transmitter Section

Summary of Contents for NEXEDGE NX-900

Page 1: ...ARTS LIST 26 EXPLODED VIEW 39 PACKING 40 TROUBLE SHOOTING 41 ADJUSTMENT 44 TERMINAL FUNCTION 66 PC BOARD DISPLAY UNIT X54 3680 10 76 TX RX UNIT X57 8060 10 A 2 78 TX RX UNIT X57 8060 10 B 2 82 INTERCONNECTION DIAGRAM 83 SCHEMATIC DIAGRAM 84 LEVEL DIAGRAM 100 BLOCK DIAGRAM 102 SPECIFICATIONS 107 CONTENTS Metallic cabinet A01 2194 11 Modular jack E58 0522 05 RF coaxial receptacle N E04 0170 15 Packi...

Page 2: ...stalla tion Transmitter frequency deviation and power output should be checked as should receiver sensitivity squelch operation and audio output Signaling equipment operation should be verified 3 PLANNING THE INSTALLATION 3 1 General Inspect the vehicle and determine how and where the radio antenna and accessories will be mounted Plan cable runs for protection against pinching or crush ing wiring ...

Page 3: ...stem selection depends on many factors and is beyond the scope of this manual Your KENWOOD dealer can help you select an antenna sys tem that will best serve your particular needs 4 2 Radio location Select a convenient location for your control station ra dio which is as close as practical to the antenna cable entry point Secondly use your system s power supply which supplies the voltage and curre...

Page 4: ...on sense cable Are you using the public address Are you using the voice guide storage unit KRK 10 KCT 46 KAP 2 VGS 1 YES NO YES NO YES NO YES NO Supplied microphone Delivery Are you using the external speaker Are you using the keypad microphone KES 3 or KES 5 KMC 32 or KMC 36 YES NO YES NO Desk top microphone KMC 9C See page 9 See page 7 See page 8 See page 10 See page 11 Option Option Option Opti...

Page 5: ...rmware version information Power ON 3 Panel Test Mode Setting method refer to ADJUSTMENT 4 Panel Tuning Mode Setting method refer to ADJUSTMENT 5 PC Mode 5 1 Preface The transceiver is programmed by using a personal com puter programming interface KPG 46 46A and program ming software KPG 111D ver 2 30 or later The programming software can be used with a PC Fig ure 1 shows the setup of a PC for pro...

Page 6: ... the transceiver lights and PROGRAM 115200 is displayed 5 Check the connection between the transceiver and the personal computer and make sure that the transceiver is in the Program mode 6 Press write button in the window When the transceiver starts to receive data the LOADING display lights 7 If writing ends successfully the checksum is calculated and a result is displayed 8 If you want to contin...

Page 7: ...the slave automatically operates in the User mode The slave can then be oper ated by the same program as the master 7 The other slave can be continuously cloned When the key on the master is pressed while the master dis plays END the master displays CLONE MODE Carry out the operation in step 4 to 6 Can not be cloned if the overwrite password is programmed to the slave Note Only the same models can...

Page 8: ...ctor E37 1114 05 into the relay unit connector CN3 w and the other side into the TX RX unit A 2 connector CN705 e 5 Place the relay unit at the position shown in Figure 2 2 and secure it to the chassis with a screw 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 15 through the chassis hole t and insert th...

Page 9: ...de Fig 3 2 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...

Page 10: ... packing orange 6 securely over top 13 Install the molded cover 7 over the connector on the rear panel and secure it with two screws 8 Note A cable can be connected from the left side as shown in the Figure 3 5 or from right side However the 14 pin connector must be connected to cor rect direction 4 Voice Guide Storage Unit VGS 1 Option 4 1 Installing the VGS 1 unit in the transceiver 1 Remove the...

Page 11: ...CN1 Connect Set Up 4 5 INT SP or KES 3 5 6 KES 5 When you use the KES 5 plug the short pin to pins 5 and 6 on the KAP 2 When you use the INT SP or KES 3 plug the short pin to pins 4 and 5 on the KAP 2 HR1 HR2 EXT INT CN1 1 6 KAP 2 unit Short pin KES 5 INT SP or KES 3 Fig 5 2 INSTALLATION Connection Procedure Insert the crimp terminal into the Square plug supplied with the KAP 2 4 5 Square plug E59...

Page 12: ...tenna cable in the hollow at the rear of the chassis Fig 6 2 q Note If the GPS receiver is installed cut the base of the convex tab of the top packing with a pair of nippers or similar tool Fig 6 3 w If the convex tab of the top packing is cut off the water proofing property is no longer guaranteed Note You must setup using the KPG 111D TX RX unit A 2 Solder land OPT10 OPT11 AGND 26P_RD 26P_TD TXD...

Page 13: ...e 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 page 12 Note You must setup using the KPG 111D TX RX unit A 2 Solder land OPT10 OPT11 AGND 26P_RD 26P_TD TXD2 RXD2 OPT1 OPT3 OPT4 OPT5 5V_1 DTI OPT8 TXO OPT7 OPT2 OPT9 RXEO TXI RXEI OPT6 POW 33V 5V_2 DGND GPS r...

Page 14: ...lat cable Remove them carefully 4 Turn the TX RX PCB over and remove the flat cable from the connector CN600 r 5 Remove the TX RX PCB from the chassis Fig 1 1 Fig 1 2 CN600 Fig 1 3 Removing the speaker hardware fixture J21 8481 03 and holder J19 5485 12 1 Remove the speaker lead from the holder hook q 2 Remove the speaker connector from the display unit connector CN902 w 3 When removing the speake...

Page 15: ... chassis hole q as shown in Figure 4 1 and insert the bush into the chas sis hole 2 Rotate the bush of the power supply cable 90 degrees clockwise as viewed from the rear of the chassis w 3 Align the ignition sense connector yellow of the power supply cable around the chemical capacitor C401 and connect it to the TX RX unit A 2 connector CN403 4 Align the positive terminal of the power supply cabl...

Page 16: ... place 3 Install the speaker holder onto the panel e Note To improve water resistance fit the panel into the groove of the holder 4 Place the speaker into the speaker holder Note The speaker must not ride on the holder rib 5 Place the spacer on the speaker 6 Insert the hardware fixture J21 8481 03 into the hollow of the panel as shown in Figure 7 3 then push two parts of the hardware fixture and f...

Page 17: ...d fed to the antenna x3 ANT SW RF AMP 2nd Mixer IF AMP PLL VCO ANT 58 05MHz 19 2MHz x2 792 95 811 95MHz 806 825MHz TX 851 870MHz RX TX 806 825MHz 851 870MHz MCF VC TCXO Baseband Circuit CF 450kHz AF AMP PA AMP TX AMP MIC AMP TX RX SW 1st Mixer SP MIC Fig 1 Frequency configuration Fig 2 3 Receiver System 3 1 RF circuit The front end circuit consists of the former BPF L906 RF amplifier Q2 and latter...

Page 18: ... MIX AGC IC701 IC707 IC704 IC510 DSP IC201 IC719 AMT VOL RF 1st IF Circuit CF203 BPF Q203 2nd OSC X1 19 2MHz VC TCXO x3 Q11 CF201 CF202 BPF INT SP EXT SP ANT Fig 3 Fig 4 3 4 Audio amplifier circuit Audio processing high pass filter low pass filter de emphasized etc at FM mode and decoding at NXDN mode are processed by the DSP IC717 The audio signal from IC510 IC717 goes through the amplifier IC701...

Page 19: ...rier is fine adjusted CIRCUIT DESCRIPTION SW Q706 IC708 MM AMP IC706 2 2 LPF IC706 1 2 LPF IC702 1 2 AMP IC719 IC709 1 2 IC510 IC717 DSP LPF IC702 2 2 AMP IC2 no use no use AMP VCTCXO X1 VCO IC5 2 2 PLL IC3 AGC D704 D705 Q704 Q705 IC709 2 2 SW SCSW Optional Scrambler Board MIC Fig 5 4 3 Drive and Final amplifier The transmit signal obtained from the TX VCO buffer amplifier Q9 is amplified to appro...

Page 20: ...3 PLL IC IC3 The PLL IC compares the differences in phases of the VCO oscillation frequency and the VCTCXO reference fre quency returns the difference to the VCO CV terminal and realizes the Phase Locked Loop for the return control This allows the VCO oscillation frequency to accurately match lock the desired frequency When the frequency is controlled by the PLL the fre quency convergence time inc...

Page 21: ...sing IC909 6 4 Key Detection Circuit Keys are detected using the Key scan circuit in IC911 The KI and KO signals that are normally pulled up go low when a key is pressed 6 5 DSP The DSP circuit consists of a DSP IC717 and processes the baseband signal The DSP operates on an external clock of 18 432MHz the same as IC510 the I O section operates at 3 3V and the core section operates at 1 5V The DSP ...

Page 22: ...DQT DTMF MSK The audio signal is removed from the FM detection signal sent to the DSP circuit and the resulting signal is de coded 9 Compander Circuit The term compander means compressor and expand er The compander reduces noise by utilizing a compressor and an expander The NX 900 contains a DSP IC717 to per form this operation The NX 900 compander can be turned on or off using the FPU CIRCUIT DES...

Page 23: ...r AMP 2nd IF DET IC705 IC BPF Buffer AMP SQ IC706 IC LPF SUM AMP Display unit X54 3680 10 Ref No Part Name Description IC901 IC AFO BLC switch IC902 IC AF buffer AMP AFO IC903 IC Voltage regulator 5C IC904 IC Voltage regulator 33C IC905 IC Bus buffer TXD0 IC906 IC DC DC converter N100C IC907 IC Dual bus buffer RXD0 RXD1 IC908 IC AND gate TXD1 RXD0 IC909 IC Buffer AMP LCD Contrast ADJ IC910 IC Bus ...

Page 24: ...C switch 50MC Q411 Transistor DC switch 33BU Q412 Transistor DC switch 50MC Ref No Part Name Description Q413 Transistor DC switch 80T Q414 Transistor DC switch 80R Q415 Transistor DC switch 50R Q416 FET DC switch 50IF Q420 Transistor RF buffer AMP Q501 FET DC switch Q701 FET SQL switch W N Q702 Transistor Noise AMP Q703 FET Tone switch Q704 705 Transistor Limit Q706 FET Mute MI1 Q707 FET Mute MI2...

Page 25: ...ction DEO D901 Diode Line protection BER CK D902 Diode Line protection BER DT D903 Diode Line protection AUXIO1 D904 Diode Line protection AUXIO2 D905 906 Zener diode Over DC supply protection D907 Diode Line protection AUXIO3 D908 Diode Line protection AUXIO4 D909 Diode Reverse current prevention SB D910 Zener diode Over DC supply protection D911 Diode Line protection AUXIO8 D912 Diode Line prote...

Page 26: ...t ppm C 0 80 150 220 330 470 750 s 4OLERANCE ORE THAN P Code C D G J K M X Z P No code 0 25 0 5 2 5 10 20 40 80 100 More than 10μF 10 50 20 20 0 Less than 4 7μF 10 75 s 6OLTAGE RATING 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000 6300 8000...

Page 27: ...01J CHIP C 100PF J C956 957 CK73HB1E103K CHIP C 0 010UF K C958 CK73HB1H102K CHIP C 1000PF K C959 960 CK73HB1E103K CHIP C 0 010UF K C961 CK73HB0J105K CHIP C 1 0UF K C962 CK73HB1A104K CHIP C 0 10UF K C963 CC73HCH1H101J CHIP C 100PF J C964 CK73GB1E105K CHIP C 1 0UF K NX 900 DISPLAY UNIT X54 3680 10 1 1B A01 2194 11 METALLIC CABINET 2 3A A62 1162 12 PANEL ASSY 4 2A B09 0681 03 CAP KAP 2 5 3B B11 1871 ...

Page 28: ...K J 1 16W R941 RK73HB1J124J CHIP R 120K J 1 16W R942 RK73HB1J000J CHIP R 0 0 J 1 16W R943 RK73HB1J102J CHIP R 1 0K J 1 16W R944 RK73HB1J104J CHIP R 100K J 1 16W R945 946 RK73HB1J000J CHIP R 0 0 J 1 16W R947 RK73HB1J474J CHIP R 470K J 1 16W R948 RK73HB1J103J CHIP R 10K J 1 16W R949 RK73HB1J102J CHIP R 1 0K J 1 16W R950 RK73HB1J473J CHIP R 47K J 1 16W R952 RK73HB1J000J CHIP R 0 0 J 1 16W R953 RK73GB...

Page 29: ...1H101J CHIP C 100PF J C79 CC73HCH1H030B CHIP C 3 0PF B C80 CC73HCH1H101J CHIP C 100PF J C82 CC73HCH1H330J CHIP C 33PF J C83 84 CC73HCH1H101J CHIP C 100PF J C85 CK73HB1A104K CHIP C 0 10UF K C86 CC73HCH1H030B CHIP C 3 0PF B C87 CC73HCH1H050B CHIP C 5 0PF B C88 92 CK73HB1H103K CHIP C 0 010UF K C93 CK73HB1H471K CHIP C 470PF K C94 CC73GCH1H040B CHIP C 4 0PF B C95 CC73HCH1H330J CHIP C 33PF J C96 CC73HCH...

Page 30: ...2 0PF B C248 CC73HCH1H101J CHIP C 100PF J C249 CC73HCH1H470J CHIP C 47PF J C251 CC73HCH1H030B CHIP C 3 0PF B C253 CC73HCH1H030B CHIP C 3 0PF B C254 CC73HCH1H470J CHIP C 47PF J C255 CC73FCH1H020B CHIP C 2 0PF B C256 CC73HCH1H030B CHIP C 3 0PF B C257 CC73HCH1H101J CHIP C 100PF J C258 259 CC73HCH1H470J CHIP C 47PF J C260 CK73HB1H103K CHIP C 0 010UF K C261 CC73HCH1H060B CHIP C 6 0PF B C263 CC73HCH1H47...

Page 31: ...00PF J C586 CK73HB1H103K CHIP C 0 010UF K C587 589 CC73HCH1H101J CHIP C 100PF J C590 591 CK73HB1H103K CHIP C 0 010UF K C592 593 CC73HCH1H101J CHIP C 100PF J C594 595 CK73HB1H103K CHIP C 0 010UF K C596 CK73HB1A104K CHIP C 0 10UF K C597 611 CC73HCH1H101J CHIP C 100PF J C612 CK73GB1H103K CHIP C 0 010UF K C613 616 CK73GB1E105K CHIP C 1 0UF K C618 CK73HB1H103K CHIP C 0 010UF K C620 621 CK73HB1H103K CHI...

Page 32: ...1H101J CHIP C 100PF J C938 CC73HCH1H020B CHIP C 2 0PF B C939 CK73HB1H103K CHIP C 0 010UF K C940 C93 1852 05 CHIP C 6 0PF C C941 C93 1871 05 CHIP C 100PF J C943 944 CC73FCH1H470J CHIP C 47PF J C945 C93 1835 05 CHIP C 1 5PF B C946 C93 1847 05 CHIP C 4 3PF B C947 C93 1835 05 CHIP C 1 5PF B C948 CC73HCH1HR75B CHIP C 0 75PF B C949 951 CC73HCH1H470J CHIP C 47PF J C952 CK73GB1C683K CHIP C 0 068UF K C953 ...

Page 33: ...SMALL FIXED INDUCTOR 100NH L906 907 L79 1928 05 FILTER L910 L40 2785 92 SMALL FIXED INDUCTOR 270NH L911 L41 2778 14 SMALL FIXED INDUCTOR 27NH L912 L41 8278 14 SMALL FIXED INDUCTOR 82NH L913 L41 1585 08 SMALL FIXED INDUCTOR 150NH L914 915 L40 5663 71 SMALL FIXED INDUCTOR 5 6NH L916 917 L40 1575 71 SMALL FIXED INDUCTOR 15NH L919 L92 0163 05 BEADS CORE L920 921 L40 1075 71 SMALL FIXED INDUCTOR 10NH X...

Page 34: ...2 2K J 1 16W R202 203 RK73HB1J223J CHIP R 22K J 1 16W R204 RK73HB1J470J CHIP R 47 J 1 16W R205 206 RK73HB1J223J CHIP R 22K J 1 16W R207 RK73HB1J334J CHIP R 330K J 1 16W R208 RK73HB1J153J CHIP R 15K J 1 16W R209 210 RK73HB1J100J CHIP R 10 J 1 16W R211 RK73HB1J102J CHIP R 1 0K J 1 16W R212 RK73HB1J000J CHIP R 0 0 J 1 16W R213 RK73HB1J102J CHIP R 1 0K J 1 16W R215 RK73HB1J332J CHIP R 3 3K J 1 16W R21...

Page 35: ...0 J 1 10W R550 RK73GB2A000J CHIP R 0 0 J 1 10W R551 RK73HB1J101J CHIP R 100 J 1 16W R552 RK73HB1J103J CHIP R 10K J 1 16W R553 554 RK73HB1J104J CHIP R 100K J 1 16W R556 558 RK73HB1J104J CHIP R 100K J 1 16W R561 RK73HB1J473J CHIP R 47K J 1 16W R562 RK73GB2A000J CHIP R 0 0 J 1 10W R565 RK73GB2A000J CHIP R 0 0 J 1 10W R568 RK73HB1J102J CHIP R 1 0K J 1 16W R569 RK73HB1J220J CHIP R 22 J 1 16W R572 RK73H...

Page 36: ... RK73HB1J563J CHIP R 56K J 1 16W R755 RK73HB1J103J CHIP R 10K J 1 16W R756 RK73HB1J153J CHIP R 15K J 1 16W R758 RK73HB1J103J CHIP R 10K J 1 16W R759 RK73HB1J104J CHIP R 100K J 1 16W R760 RK73HB1J152J CHIP R 1 5K J 1 16W R761 RK73HB1J683J CHIP R 68K J 1 16W R762 RK73HB1J334J CHIP R 330K J 1 16W R763 RK73HB1J183J CHIP R 18K J 1 16W R764 RK73HB1J124J CHIP R 120K J 1 16W R765 RK73HB1J102J CHIP R 1 0K ...

Page 37: ...IP R 100 J 1 16W R993 994 RK73HB1J104J CHIP R 100K J 1 16W R997 RK73HB1J000J CHIP R 0 0 J 1 16W R998 RK73HB1J474J CHIP R 470K J 1 16W D1 CSA30 201N SURGE ABSORBER D2 DA221 DIODE D3 4 1SV325F VARIABLE CAPACITANCE DIODE D7 1SV278F VARIABLE CAPACITANCE DIODE D8 1SV305F VARIABLE CAPACITANCE DIODE D10 1SV278F VARIABLE CAPACITANCE DIODE D11 12 1SV305F VARIABLE CAPACITANCE DIODE D14 1SV278F VARIABLE CAPA...

Page 38: ...7 SSM6L05FU F FET Q8 SSM3J05FU F FET Q9 10 2SC5636 TRANSISTOR Q11 2SK3737 5 FET Q150 2SK3077F FET Q151 RD01MUS1 T113 FET Q201 RT1P141U T111 TRANSISTOR Q202 RT1N441U T111 TRANSISTOR Q203 2SC5636 TRANSISTOR Q204 205 2SC3356 R23 TRANSISTOR Q208 2SC5636 TRANSISTOR Q212 EMD9 TRANSISTOR Q401 402 RT1N141U T111 TRANSISTOR Q403 RT1N140U T111 TRANSISTOR Q404 2SJ645 FET Q405 2SA1955A F TRANSISTOR Q406 SSM6N1...

Page 39: ...2 703 704 705 706 59 2 7 27 27 28 50 63 57 54 51 27 27 52 14 55 6 5 IC715 IC403 X57 101 A N09 2292 05 B N67 3008 48 C N87 2606 43 D N87 2608 48 31 21 Cx2 Dx3 D 22 35 34 Bx2 708 EXPLODED VIEW Parts with the exploded numbers larger than 700 are not supplied If a part reference number is listed in a box on the exploded view of the PCB that part does not come with the PCB These parts must be ordered s...

Page 40: ... 56 Bracket J29 0726 03 61 Screw set N99 2039 05 44 Inner carton case H02 0624 13 47 Item carton case H52 2420 12 8 Instruction manual B62 2308 00 711 49 Holder MIC J19 1584 15 64 Microphone T91 0639 55 23 Fuse Blade type 15A 32V F52 0024 05 PACKING Parts with the exploded numbers larger than 700 are not supplied ...

Page 41: ...NT IC401 1 pin 3 3V OVRB D403 Cathode side 3 3V Checking the ASIC input switch signal Each signal is not masked by the setting of the FPU The POWER key is pressed and held Points to be checked Confirmed voltage PSW R619 0V The ignition key is kept ON Points to be checked Confirmed voltage IGN R618 0V Remove the R569 R511 and R545 If it oscillates normally the DSP and ASIC may be broken The BGA par...

Page 42: ...0V PRST R947 Signal side 5 0V FLASH R986 3 3V The BGA parts are not broken Checking the Control signal Points to be checked Normal voltage CS0 IC911 48 pin 3 3V 0V 3 3V RD IC911 42 pin 3 3V 0V 3 3V Checking the Control signal Points to be checked Normal voltage LCDRST R991 Signal side 3 3V CS3 IC912 7 pin 3 3V 0V 3 3V If nothing is displayed even after replacing the panel the BGA may be broken The...

Page 43: ...it board write the up to date Firmware following the instructions in the RE ALIGNMENT 6 Firmware Programming Mode 2 Using the KPG 111D select your desired item Model Name and Frequency from the Model Product Informa tion menu then use Program Write Data to the Trans ceiver to write the FPU data PC Programming mode 3 Enter Program Test Mode then adjust the various ad justment data PC Test Mode as d...

Page 44: ... 2400bps 2400bps icon appears Test signaling CH up Signaling No Key FNC not appears on the sub LCD display Function Display Microphone key PTT Transmit 0 to 9 and A to D Use as the DTMF keypad If a key is pressed during transmission the DTMF corresponding to the key that was presses is sent Key FNC appears on the sub LCD display Function Display Talk Around on off On icon appears Analog NXDN Analo...

Page 45: ... e power meter The speaker output connector must be terminated with a 4Ω dummy load and connected to an AC voltmeter and an audio distortion meter or a SINAD measurement meter at all times during tuning Transceiver tuning To enter tuning mode To enter tuning mode press the key while the trans ceiver is in test mode Use the key to write tuning data through tuning modes and the key to adjust tuning ...

Page 46: ...mit Power Limit The limit value of the High Transmit Power output is adjusted Low Transmit Power Limit The limit value of the Low Transmit Power output is adjusted High Transmit Power High Transmit Power is adjusted Low Transmit Power Low Transmit Power is adjusted Balance The transmit audio frequency response is adjusted This item is adjusted so that the deviation of 2kHz becomes the same deviati...

Page 47: ... Section 5 1 256 10 Maximum Deviation NXDN NDEV 4 4 Transmitter Section 6 1 1024 11 Maximum Deviation Analog ADEV 4 4 4 Transmitter Section 7 1 1024 12 QT Deviation QT 2 2 2 Transmitter Section 8 1 1024 13 DQT Deviation DQT 2 2 2 Transmitter Section 9 1 1024 14 LTR Deviation LTR 2 2 2 Transmitter Section 10 1 1024 15 DTMF Deviation DTMF 2 2 2 Transmitter Section 11 1 1024 16 MSK Deviation MSK 2 2 ...

Page 48: ...justments Low L Center C High H 3 reference level Adjustments 3 reference level Adjustments exit High H TA High TA H 2 reference level Adjustments Low L High H 2 reference level Adjustments High Power Limit HILMT Low Power Limit LOLMT Wide 5k Wide 5k 4 reference level Adjustments 4 reference level Adjustments hold press hold press Analog MAX Deviation ADEV Narrow QT Deviation QT QT Deviation QT Wi...

Page 49: ...RSSI Low LRSSI RSSI High HRSSI Narrow RSSI High HRSSI Very Narrow Wide 5k RSSI High HRSSI Squelch Tight SQLT Narrow Wide 5k Squelch Tight SQLT 3 reference level Adjustments 3 reference level Adjustments 3 reference level Adjustments 3 reference level Adjustments 3 reference level Adjustments hold press hold press hold press hold press hold press press RSSI Reference RRSSI Wide 4k Squelch Open SQL ...

Page 50: ...ter AF VTVM Frequency Range 50Hz to 10kHz Voltage Range 1mV to 10V 9 Audio Generator AG Frequency Range 50Hz to 5kHz or more Output 0 to 1V 10 Distortion Meter Capability 3 or less at 1kHz Input Level 50mV to 10Vrms 11 4Ω Dummy Load Approx 4Ω 20W 12 Regulated Power Supply 13 6V approx 20A adjustable from 9V to 20V Useful if ammeter equipped 13 Spectrum Analyzer Frequency Range 40MHz to 900MHz Inpu...

Page 51: ... meter Ammeter Check 12W 18W 9 0A or less 2 CH Sig 2 1 TA PTT ON 2 Test Channel Channel 2 Test Signaling Mode Analog Signaling 1 Talk Around Check PTT Press Transmit button 3 Low power check 1 CH Sig 2 1 PTT ON 1 Test Channel Channel 1 Test Signaling Mode Analog Signaling 1 PTT Press Transmit button 4 0W 6 0W 5 0A or less 2 CH Sig 2 1 TA PTT ON 2 Test Channel Channel 2 Test Signaling Mode Analog S...

Page 52: ...ess key to store the adjustment value 1 Adj item LCD Contrast Fixed Digit 120 Press Apply but ton to store the adjustment value Panel tuning mode PC test mode Adjust the LCD contrast by looking Fixed Digit 120 After replacing the LCD align contrast 3 Receive Assist 1 Adj item RAST Adjust 2 Adj item L RAST H RAST Adjust Press key to store the adjust ment value 1 Adj item Receive Assist 2 Adj item L...

Page 53: ...uency The Frequency adjustment can be performed only in PC test mode 1 Adj item Frequency 2 CH Sig 3 1 SSG output 20dBm 22 4mV CW without modulation Caution Perform the frequency adjustment under the following conditions Temperature range of 23 C to 27 C 73 4 F to 80 6 F The temperature is displayed on the Fre quency adjustment screen of the KPG 111D and the LCD of the transceiver Use an accuracy ...

Page 54: ...ications If the transceiver is adjusted beyond the specifications it may cause deterio ration of the parts reliability and the output power may be lowered sud denly and unstable The transceiver may be also extremely hot 2 Low Transmit Power Limit 1 Adj item LOLMT Adjust 2 Adj item AwL LOLMT AwH LOLMT AwL LOLMT TA AwH LOLMT TA Adjust PTT ON Press key to store the adjustment value 1 Adj item Low Tra...

Page 55: ...value Sub LCD Tone frequency key Press while transmitting to change 20Hz and 2kHz 1 Adj item Balance Deviation meter LPF 3kHz HPF OFF 2 Adj item Low High Low TA High TA PTT Press Transmit button Press Apply All button to store the adjustment value 2kHz Sine Wave Check box Check while transmitting change to 2kHz Deviation meter Oscilloscope The Deviation of 20Hz frequency is fixed Change the 2kHz a...

Page 56: ...t PTT ON Press key to store the adjustment value 1 Adj item Maximum Deviation Analog Narrow Deviation meter LPF 15kHz HPF OFF 2 Adj item Low High Low TA High TA PTT Press Transmit button Press Apply All button to store the adjustment value 2100Hz Write the value as followings 492 Reference value Deviation meter LPF 15kHz HPF OFF Panel tuning mode PTT ON PC test mode PTT Press Transmit button 2050 ...

Page 57: ... the adjustment of all analog signalings 8 QT Deviation 4 Narrow 1 Adj item An QT Adjust Deviation meter LPF 3kHz HPF OFF PTT ON Press key to store the adjustment value 1 Adj item QT Devia tion Narrow Deviation meter LPF 3kHz HPF OFF PTT Press Transmit button Press Apply but ton to store the adjustment value Deviation meter Oscilloscope ANT Panel tuning mode PC test mode Write the value as followi...

Page 58: ...LTR De viation Narrow Deviation meter LPF 3kHz HPF OFF PTT Press Transmit button Press Apply but ton to store the adjustment value Write the value as followings 465 Reference value 0 65 0 85kHz Wide 4k 1 Adj item As LTR Adjust PTT ON Press key to store the adjustment value 1 Adj item LTR De viation Wide 4k PTT Press Transmit button Press Apply but ton to store the adjustment value Write the value ...

Page 59: ... item MSK Deviation Narrow Deviation meter LPF 15kHz HPF OFF PTT Press Transmit button Press Apply but ton to store the adjustment value Write the value as followings 513 Reference value 1 40 1 60kHz Wide 4k 1 Adj item As MSK Adjust PTT ON Press key to store the adjustment value 1 Adj item MSK De viation Wide 4k PTT Press Transmit button Press Apply but ton to store the adjustment value 2 30 2 50k...

Page 60: ...ance adjust Step2 Maximum Deviation Analog Wide 5k Step3 LTR Deviation Analog Wide 5k Step1 Balance adjust Step2 Maximum Deviation Analog Wide 4k Step3 LTR Deviation Analog Wide 4k Step1 Balance adjust Step2 Maximum Deviation Analog Narrow Step3 LTR Deviation Analog Narrow DTMF Step1 Balance adjust Step2 Maximum Deviation Analog Wide 5k Step3 DTMF Deviation Analog Wide 5k Step1 Balance adjust Step...

Page 61: ...y to store the adjustment value PC test mode After input signal from SSG press Apply button to store the adjust ment value Analog Wide 4k 1 Adj item As RRSSI Adjust 2 Adj item AsL RRSSI AsC RRSSI AsH RRSSI SSG output 12dB SINAD level 3dB MOD 1kHz 2 4kHz 1 Adj item RSSI Ref erence Wide 4k 2 Adj item Low Center High SSG output 12dB SINAD level 3dB MOD 1kHz 2 4kHz Analog Wide 5k 1 Adj item Aw RRSSI A...

Page 62: ...SQL SSG output 12dB SINAD level 1dB MOD 1kHz 2 4kHz 1 Adj item Open Squelch Wide 4k 2 Adj item Low Center High SSG output 12dB SINAD level 1dB MOD 1kHz 2 4kHz Analog Wide 5k 1 Adj item Aw SQL Adjust 2 Adj item AwL SQL AwC SQL AwH SQL SSG output 12dB SINAD level 1dB MOD 1kHz 3kHz 1 Adj item Open Squelch Wide 5k 2 Adj item Low Center High SSG output 12dB SINAD level 1dB MOD 1kHz 3kHz NXDN Very Narro...

Page 63: ...item As LRSSI Adjust 2 Adj item AsL LRSSI AsC LRSSI AsH LRSSI SSG output 118dBm 0 28µV MOD 1kHz 2 4kHz 1 Adj item Low RSSI Wide 4k 2 Adj item Low Center High SSG output 118dBm 0 28µV MOD 1kHz 2 4kHz Analog Wide 5k 1 Adj item Aw LRSSI Adjust 2 Adj item AwL LRSSI AwC LRSSI AwH LRSSI SSG output 118dBm 0 28µV MOD 1kHz 3kHz 1 Adj item Low RSSI Wide 5k 2 Adj item Low Center High SSG output 118dBm 0 28µV...

Page 64: ...dj item As HRSSI Adjust 2 Adj item AsL HRSSI AsC HRSSI AsH HRSSI SSG output 80dBm 22 4µV MOD 1kHz 2 4kHz 1 Adj item High RSSI Wide 4k 2 Adj item Low Center High SSG output 80dBm 22 4µV MOD 1kHz 2 4kHz Analog Wide 5k 1 Adj item Aw HRSSI Adjust 2 Adj item AwL HRSSI AwC HRSSI AwH HRSSI SSG output 80dBm 22 4µV MOD 1kHz 3kHz 1 Adj item High RSSI Wide 5k 2 Adj item Low Center High SSG output 80dBm 22 4µ...

Page 65: ...nector Panel tuning mode After input signal from SSG press key to store the adjustment value PC test mode After input signal from SSG press Apply button to store the adjust ment value Analog Wide 4k 1 Adj item As SQLT Adjust 2 Adj item AsL SQLT AsC SQLT AsH SQLT SSG output 12dB SINAD level 6dB MOD 1kHz 2 4kHz 1 Adj item Tight Squelch Wide 4k 2 Adj item Low Center High SSG output 12dB SINAD level 6...

Page 66: ...output 10 D6 LCD Driver data output 11 D5 LCD Driver data output 12 D4 LCD Driver data output 13 D3 LCD Driver data output 14 D2 LCD Driver data output 15 D1 LCD Driver data output 16 D0 LCD Driver data output 17 WR LCD Driver WR signal output 18 A0 LCD Driver address output 19 RES LCD Driver Reset signal output 20 CS LCD Driver Chip select signal output Pin No Name Function J901 MIC jack 1 BLC MI...

Page 67: ... 6 CN705 1 SB Power output of switched power supply 2 SPI Speaker output Pin No Name Function 3 SPO Speaker input 4 PA Control signal output of PA function 5 HOR Control signal output of Horn alert function 6 GND Ground CN403 1 IGN Ignition sense input 2 GND Ground TX RX unit X57 8060 10 B 2 Pin No Name Function CN901 to TX RX unit A 2 CN600 1 AUXIO6 AUX input output 6 2 AUXIO7 AUX input output 7 ...

Page 68: ...escription Pin Name I O Signal Type Rating and Condition Parameter Min Typ Max Unit OPT1 I O Digital CMOS Out CMOS In with Interrupt VIH 2 7 3 5 V VIL 0 3 0 7 V VOH Io 2mA 2 8 3 4 V VOL Io 2mA 0 7 V OPT3 I O Digital CMOS Out CMOS In with Interrupt VIH 2 7 3 5 V VIL 0 3 0 7 V VOH Io 2mA 2 8 3 4 V VOL Io 2mA 0 7 V 26P_RD I Digital CMOS In with Interruput VIH 2 7 3 5 V VIL 0 3 0 7 V Baud Rate 19200 b...

Page 69: ... 0 3 0 7 V VOH Io 2mA 2 8 3 4 V VOL Io 2mA 0 7 V OPT7 I O Digital CMOS Out CMOS In with Interrupt VIH 2 7 3 5 V VIL 0 3 0 7 V VOH Io 2mA 2 8 3 4 V VOL Io 2mA 0 7 V OPT2 I O Digital CMOS Out CMOS In with Interrupt VIH 2 7 3 5 V VIL 0 3 0 7 V VOH Io 2mA 2 8 3 4 V VOL Io 2mA 0 7 V TXO O Analog Output Level 130 mVp p Coupling Capacitor 0 1 µF Allowable Load 100 kΩ RXEO O Analog Output Level 640 mVp p ...

Page 70: ...Out CMOS In VIH 2 7 3 5 V VIL 0 3 0 7 V VOH Io 2mA 2 8 3 4 V VOL Io 2mA 0 7 V 7 OPT10 USEL O Digital Analog Output Amplitude 0 28 Vp p Coupling Capacitor 0 1 µF Allowable Load 100 kΩ Pull_Down Register 470 kΩ 8 OPT5 I O Digital CMOS Out CMOS In VIH 2 7 3 5 V VIL 0 3 0 7 V VOH Io 2mA 2 8 3 4 V VOL Io 2mA 0 7 V Pin Name I O Signal Type Rating and Condition Parameter Min Typ Max Unit POW Power Ouput ...

Page 71: ...2 kΩ 17 OPT8 I O Digital CMOS Out CMOS Inwith Interrupt VIH 2 7 3 5 V VIL 0 3 0 7 V VOH Io 2mA 2 8 3 4 V VOL Io 2mA 0 7 V 18 OPT11 I O Digital CMOS Out CMOS In VIH 2 7 3 5 V VIL 0 3 0 7 V VOH Io 2mA 2 8 3 4 V VOL Io 2mA 0 7 V 19 OPT7 I O Digital CMOS Out CMOS Inwith Interrupt VIH 2 7 3 5 V VIL 0 3 0 7 V VOH Io 2mA 2 8 3 4 V VOL Io 2mA 0 7 V 20 OPT2 I O Digital CMOS Out CMOS Inwith Interrupt VIH 2 ...

Page 72: ...ing H Not activity receiving TOR Conv LTR L Activity receiving H Not activity receiving LOK Conv L TX Complete H TX not complete LTR L TX Link complete Until TX finishes H TX Link not complete VGS 1 I BUSY BUSY indication 2 OPT3 ANI board I KEY TX requirement input VGS 1 I PLAY PLAY indication 3 26P_RD ANI board VGS 1 I SO Serial data input 4 26P_TD ANI board VGS 1 O SI Serial data output 5 NC 6 O...

Page 73: ...OPT11 ANI board O Man Down Man Down signal output VGS 1 19 OPT7 ANI board I MIC Mute MIC mute signal input VGS 1 20 OPT2 ANI board I Aux Output Emergency signal input VGS 1 21 TXO ANI board VGS 1 22 RXEO ANI board VGS 1 23 RXEI ANI board VGS 1 24 TXI ANI board VGS 1 25 OPT6 ANI board VGS 1 26 80C ANI board O A 8V power supply VGS 1 Note 80C and 50C can not be used simultaneously D sub 25 pin conne...

Page 74: ...level O Digital VOH Io 1 5mA 3 7 5 2 V VOL Io 1 5mA 1 1 V CL 100 pF 10 RXD2 Serial data input 2 TTL level I Digital VIH 2 8 5 2 V VIL 0 65 V CL 100 pF 11 GND Ground GND 12 AUXIO7 BER_DATA AUX input output 7 BER data input I O Digital VIH 4 5 2 V VIL 0 5 1 V VOH Io 1 5mA 3 7 5 2 V VOL Io 1 5mA 1 1 V 13 AUXIO6 BER_CLK AUX input output 6 BER CLK input I O Digital VIH 4 5 2 V VIL 0 5 1 V VOH Io 1 5mA ...

Page 75: ...t 5 I O Digital VIH 4 5 2 V VIL 0 5 1 V VOH Io 1 5mA 4 5 2 V VOL Io 1 5mA 1 1 V 21 AUXIO4 AUX input output 4 I O Digital VIH 4 5 2 V VIL 0 5 1 V VOH Io 1 5mA 4 5 2 V VOL Io 1 5mA 1 1 V 22 AUXIO3 AUX input output 3 I O Digital VIH 4 5 2 V VIL 0 5 1 V VOH Io 1 5mA 4 5 2 V VOL Io 1 5mA 1 1 V 23 AUXIO2 AUX input output 2 I O Digital VIH 4 5 2 V VIL 0 5 1 V VOH Io 1 5mA 4 5 2 V VOL Io 1 5mA 1 1 V 24 AU...

Page 76: ... C920 C921 C928 C930 C933 C934 C941 C942 C946 R996 D901 D902 D903 C964 D906 C967 D910 D913 IC902 5 4 1 3 IC906 CP912 R977 R978 R979 R999 1 V5 V4 V3 V2 V1 VDD VSS VDD D7 D6 D5 D4 D3 D2 D1 D0 WR AO RES CS 20 IC911 CP907 CP908 CP909 CP910 CP917 Q908 Q909 Q910 L901 L902 L903 L904 L906 R902 R905 R907 R913 R914 R919 CN901 CN905 R929 R932 R931 R934 R935 R936 C903 R940 R941 TH901 R942 GND LDM R943 C908 R9...

Page 77: ...ide view J79 0157 39 PC BOARD NX 900 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Ref No Address Q913 2K D908 4N D911 4M D912 4H D914 3C D915 3G D916 3H D917 3K D918 3L D919 5H D920 5G D921 5I D922 3I D923 5L Ref No Address D924 5K D925 5N D926 3M D927 6E D928 6K D929 3D D930 5P D931 6I D932 6G D933 6O D934 6M D935 5D D936 3P Ref...

Page 78: ... SPO SPI SB 6 1 C807 C427 C428 C429 C473 Q709 C416 C418 C432 C245 D405 R102 R103 R107 C121 R603 R413 CN405 R422 R426 R433 R638 R444 R639 R641 R642 R646 R648 C616 R652 R659 F501 C623 C624 R660 R661 C625 R662 R663 R664 R665 R666 R667 R668 R669 C630 R670 R671 D410 D411 C476 C477 L512 L903 C527 C534 R575 R576 R579 C543 C545 C546 R582 1 19 2 20 C547 C548 R585 R586 R588 C551 C552 C553 R590 C556 R593 C55...

Page 79: ...437 C248 C450 C452 IC201 3 4 1 5 L118 1 6 R109 CF202 D21 L5 R326 R328 R331 R148 C113 R344 R353 R550 R562 C332 C333 R38 Q201 Q202 R979 R981 R982 R988 C375 C951 C376 R74 R75 R86 R206 R209 L119 C864 C865 C866 C867 R141 R145 L24 C129 C134 C137 C141 C142 C145 C147 R52 R975 R983 R984 C952 IC103 C980 R219 R223 R224 R225 R226 R227 R228 R238 R239 R246 C210 C221 C222 C229 C231 C232 C236 C239 C244 C254 C259 ...

Page 80: ...150 C151 C158 C159 D101 C161 C167 Q204 C168 Q205 Q208 C173 C564 R997 L218 L220 R202 R203 L447 L448 L449 C41 C43 C44 C46 C59 C61 C68 C70 C74 C78 C82 C85 C86 C98 C8 D3 D7 D8 C862 L914 L915 L916 L917 L919 L920 L921 D10 D11 D12 L3 L11 L12 L13 L14 L19 C107 L22 R153 L41 Q5 G D S C144 C146 C148 C149 R40 C938 R65 C948 Q420 R84 C966 C967 C968 R88 R89 C969 R91 C973 C974 C975 C976 C981 C89 C93 C94 C249 C256 ...

Page 81: ...GND DI RTS MI2 DEO GND ME AUXO2 RXD0 AUXO1 TXD0 AUXIO5 AUXIO9 CTS AUXIO4 AUXIO8 AUXIO3 TXD2 AUXIO9 AUXIO2 RXD2 DI AUXIO1 AUXIO6 BER CK AUXIO7 BER DT 1 30 J79 0302 19 A 2 D8 L914 L915 L916 L917 D11 L12 R153 G D S C938 C967 C969 C973 C975 R802 C51 R819 C58 C63 R833 R834 R835 R837 C75 C76 C77 R846 C813 C818 D4 Q701 D S G Q702 Q708 R111 R703 R707 L10 R721 CN512 L20 CN516 L23 R727 R729 R923 TH701 R744 ...

Page 82: ... R910 R911 R912 R913 C909 C910 C911 C912 C913 C914 C916 C917 C918 C919 C920 C921 C923 L901 L902 1 30 C901 C908 D905 Q901 B E C C C C B E C C C C Q902 R901 R914 C907 C922 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Layer 5 Layer 6 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Layer 5 Layer 6 TX RX UNIT X57 8060 10 B 2 Component side view J79 0302 19 B 2 TX RX UNIT X57 8060 1...

Page 83: ...C AVR NJM78M08FA ZB IC403 13 6V DC SUPPLY CN905 V5 V4 V3 V2 V1 VDD VDD VSS D7 D6 D4 D5 D3 D2 D0 D1 WR A0 CS RES 1 20 GND SPO SPO SPO PRST 80C GND SB SB PSW SPO NC GND GND ME MIC GND AFO SPO SHIFT 5C GND GND NC GND GND TXD RXD GND SPO GND SPO SPO SPO PRST 80C GND SB SB PSW SPO NC GND GND ME MIC GND AFO SPO SHIFT NC GND GND 50C GND GND TXD RXD GND SPO CN901 CN597 TXO 20 PIN BOARD TO BOARD CONNECTOR ...

Page 84: ...2 VSS_16 F4 K5 K4 F11 VSS_15 VSS_14 VSS_13 VSS_12 M3 N1 M13 M5 VSS_17 VSS_20 VSS_19 VSS_18 VSS_25 N9 P1 N14 N10 VSS_24 VSS_23 VSS_22 VSS_21 P2 B14 E12 G12 VSS_26 AVSS_1 ADVSS DVDD_9 C961 0 1u DGND 0 1u C963 C962 0 1u DVDD_4 A4 E3 D9 A8 DVDD_3 DVDD_2 DVDD_1 AVSS_2 F13 E6 J2 H10 H2 DVDD_5 DVDD_8 DVDD_7 DVDD_6 0 1u 0 1u 0 1u C960 C513 C959 0 1u P8 K10 N13 N6 M12 DVDD_13 DVDD_12 DVDD_11 DVDD_10 P13 B2...

Page 85: ... R504 100k A3 A7 VCC D13 D15 D4 D3 D1 D6 D C501 1u 1u C502 DQ6 VSS2 H6 A7 A3 A1 A2 DQ13 DQ15 DQ4 DQ3 DQ1 VSS1 G5 H2 H1 H5 H4 H3 G6 D9 D11 L501 oE DQ11 DQ9 G2 G1 G4 G3 DQ14 NC F6 F5 D14 RTC 2 I2CDT 0 01u C523 I2CCK 32K 4 CD 3 D 0 01u INTRB SCL 3 4 VSS 5 SDA OSCIN INTRA CLKC OSCOUT C521 A8 R545 A4 A13 A9 WR 0 R509 A17 WP FRST 32KOUT RV5C386A 0 1 VDD IC504 A12 9 RINT 8 7 6 X501 32768Hz C529 2 A1 1 G1...

Page 86: ... ADD3 H18 K18 J18 A1 ADD0 ADD1 HINT B11 CKo DSPCK USRCKI A11 32K 33A_2 XTALI A10 B4 XTALo 32I R569 22 A4 X2_CLKIN CE SCK1 SDO1 WP MPL THP2 CV R503 1k SCBSY KEYo4 OPT11 STSW EVCS SDO0 PCS W_ N BLVL 0 01u C628 R568 1k R587 1k 1k R591 C533 0 1u R847 MOD_REF MOD RXAF MIC R597 10u 0 1k C535 OPT10SEL OPT7 OPT8 OPT3 OPT2 OPT1 OPT6 OPT4 OPT5 T5 SPo0 SPo1 SPI1 SPCS10 SPCS11 SPCK1 SPCS01 SPCS00 SPCS02 V6 V5...

Page 87: ... 01u PLD RXC 450k MM MM2 T_R W_ V TXC DSW INT25P PSW R681 1k R622 1k R683 1k R682 1k R618 1k R620 1k R619 1k SIMRST SIMCK C12 D12 GPIo1 GPIo0 T9 V9 C11 GPIo4 GPIo3 GPIo2 V10 U9 GPIo6 GPIo5 R8 T7 R7 D R624 R676 100k 100k R625 100k D C559 0 01u C560 1u R680 1k DVDD1 B6 GPIo9 GPIo8 GPIo7 A6 U8 GPIo10 GPIo11 C6 B5 DVDD4 DVDD2 DVDD3 F14 E9 E8 DVDD6 DVDD5 M14 G14 R677 470k 15M D L511 IGN OVRB 33M INAMT ...

Page 88: ...0 R534 0 0 R916 C575 100p C574 100p C573 100p C572 100p C571 100p C570 100p C569 100p C568 100p 14 15 16 18 17 19 20 22 23 21 C578 100p C577 100p C576 100p C579 100p 25 24 26 450k BSHIFT X2_CLKIN CE 1 R581 470k 4 C828 1SS388F L510 L509 OPT10 1SS388F R601 1k R600 1k R599 1k R598 1k D502 L517 DTI TXO TXI 450k 100p L518 LINE PROTECTION OPT11 OPT10 G_RXD2 25P_TXD2 26P_TD 26P_RD D501 80C OPT7 TXO OPT8 ...

Page 89: ...k SCSW D704 705 MOD 100k 0 R710 100k C712 47p R705 R850 C706 220p R714 100k MOD SMF 0 1u C720 33A_2 SCSW MIC AF SWITCH TXO TXI 1k R765 R739 8 1 LPF MOD VDD 7 2 R731 R745 100k 0 R741 100k 0 TC75W51FK F 6 5 3 4 VSS IC702 TC7W53FK F GND CoMMoN INH VEE 3 4 2 1 R768 5 6 A CH1 47k 7 8 CH0 VCC R767 47k 0 1u IC708 C744 0 1u C707 VDD VIN MCP6021 E OT MIC 0 01u C710 0 01u R717 C714 0 01u C725 0 01u R734 22k...

Page 90: ...R715 Q701 IC703 BPF BUFFER ASQ BPF 220p C716 C718 15k C821 8 2k R709 1000p R707 R721 2 2k R838 0 AMP SQ R747 270k R727 C734 0 01u 3 6 0 1u C719 2 1 VDD 8 7 4 VSS IC705 TC75W51FK F 5 IC707 4 7u C735 VSS 220k R790 AF VREF SUM AMP 0 01u C761 0 1u C778 100p C754 VREF 33A 2 R783 2 R923 47k 4 3 1 5 6 VDD 7 8 VREF TC75W51FK F 0 IC711 0 1u C737 270 R751 33A_2 1000p 330k Q702 TH701 100k RB706F 40 C738 4700...

Page 91: ...N LINE PROTECTION OPT10SEL 0 R822 33k R821 2SA1832 GR F OPT10 SWITCH Q708 R817 47k 0 1u 470k R820 C799 1SS416 50C 100k R678 TC7SET08FU F INA INB 1 2 IC513 G_RXD2 1SS416 D507 50C RXD2 33M 10k R640 D506 OR G_RXD2 CURRENT PREVENTION REVERSE LEVEL SHIFT I2CCK I2CDT 0 C595 TC7WH126FU F 2 1 A1 G1 VCC 7 8 IC516 0 01u R650 4 0 R644 TXD0 RXD0 ME RXD2 DI TXD2 AUXIO9 R668 100k 0 01u C618 5 1k R842 OR RXD2 RE...

Page 92: ...TS OVER DC 5 6 7 9 8 23 22 C603 1000p C604 1000p AUXIO8 AUXIO4 26 25 24 C602 1000p C601 1000p AUXIO3 TXD2 AUXIO9 RXD2 DI 7 470 C909 100p C910 100p 470 R913 2 3 C920 100p C921 100p R912 470 R911 470 4 20 17 3 15 2 15 2 4 16 3 4 16 18 5 17 5 19 6 19 6 9 C917 100p C919 100p C918 100p R909 R910 470 R908 470 8 21 C914 100p C915 100p C916 100p R907 470 470 R906 22 10 10 21 8 20 21 8 20 22 9 22 9 24 11 2...

Page 93: ...SC119 D406 68k D406 DC SWITCH SB C415 100p C411 100p R407 47k Q404 2SJ645 1 IN 2 REGULATOR 80C VOLTAGE 47u25 4 7u 0 1u C473 C429 C432 DC SWITCH 80R DC SWITCH 80T R419 10k R424 4 7k Q408 12A02CH 4 7k R418 12A02CH 10k R423 C481 100p 80R Q413 RT1N141U T111 TXC 80T 3 oUT Q407 100p R426 470k 47k 80C SB RST BINT BATT CHK 100p 1k OR 33M SBC_2 PREVENTION XC6118C23CMR VOLTAGE DETECTOR BINT BINT VSS C420 Vo...

Page 94: ...k 0 1u 10M C38 R36 C32 0 047u35 0 15u35 R113 150 C36 10u20 C37 R25 0 R29 0 R35 390 DIODE D2 DA221 BYPASS TC75W51FK F VSS BUFFER AMP CV VCO MODULATION 68k R28 100p C31 1k R34 47k R27 100k R26 3 4 2 6 5 1 VDD 7 8 RIPPLE R55 4 7k C56 R44 470p 100k R45 1u C48 0 C65 10u FILTER R42 100k Q4 2SC5383 T111 470p C43 0 1u IC5 C54 0 R352 L41 L14 D12 1u 47k R54 150k C55 47k R53 R49 470k L20 1u C71 R56 MODULATIO...

Page 95: ... 4 270k R223 20 19 C341 22 21 10k R234 1k R230 Q204 2SC3356 R23 0 R235 1st IF AMP C213 R209 10 VDD VIN 0 01u C224 MCP6021 E OT VSS VoUT 1 2 IC201 47k VIN R220 3 0 1u 1k R211 5 R218 4 10k R229 C334 R222 1k oUT IN 1k 0 1u L72 1040 05 CF203 0 01u C260 100p C257 LOCAL BUFFER AMP R920 L206 0 01u C234 RFin TK10931VTL G OSC B 1 IC202 IF IC 24 0 R345 C339 R226 47k 0 01u 100k R237 100 R232 560n L205 C238 0...

Page 96: ...47p C254 100p C941 82n L912 C194 47p C185 3 0p L111 2 0p C187 100p C186 8n L112 2 0p C188 C255 2p C247 2p C195 47p C284 2 0p 8n L113 1 5p C189 8n L114 4 3p C946 0 R890 3 3k R109 47p C375 47p C127 47p C376 47p C950 100 R984 27k R136 15k R137 0 R979 1 8k R142 0 068u R141 C263 47p R145 47p C951 100k R148 33k R983 10k R982 1k R981 0 R980 0 R250 0 R933 470k R934 100p C934 470k R935 0 R87 100p C140 4 7n...

Page 97: ...00p MINISMDC020F D906 C912 C911 100p 100p 100p C910 SB PROTECTION v L901 1u LINE L902 1u PRST R506 470k R93 47k C588 DC SWITCH Q501 SSM6N17FU C587 100p AFO PSW C586 0 01u C585 100p R630 1k C584 100p C583 100p 80C SB SPO C582 100p 100p C581 C580 100p R901 7 PRST GND 10 9 8 GND GND GND 12 11 24 19 20 23 22 21 GND GND GND GND PRST MIC ME 14 13 AFO GND 15 18 17 16 GND GND 20 19 NC PSW MIC 16 17 18 ME ...

Page 98: ...U F PRST 5C TXD RXD D910 REVERSE CURRENT BUFFER IC907 A2 5 TC7WH126FU F DUAL BUS RXD0 RXD1 4 PTT TXD0 DM KVL LCDADJ 0 1u C929 0 1u C928 120p C920 100k R914 3 R915 47k 0 1u 82k 4 oUT IN TXD1 RXD0 AND GATE R917 10k 0 1u C921 2 1 C919 1000p C918 R913 5 VSS IN VDD IC902 TC75S51FE F INA 1 INB 5 VCC 2 3 GND 4 oUTY BLC2 AFOSW 80C C939 1u 10u C964 0 1u C940 1 5 5C AF BUFFER AMP 5C IC908 VOLTAGE REGULATOR ...

Page 99: ...D4 VCC G B1 B2 VCC oE B4 B3 B2 B1 TC7WZ245FK F TC74LCX245FK R988 SW 47k GND R990 4 3 2 1 A2 A1 DIR 6 4 5 2 3 1 A5 A4 A3 A1 A2 DIR C960 0 01u 4 7k IC912 C959 0 01u IC910 RESET LCD 5 6 8 7 15 17 16 18 19 20 33C 0 100k CP917 D7 REVERSE D12 D12 D13 73 D14 71 72 D13 D14 D11 74 75 D11 76 78 77 80 83 82 85 86 88 87 84 79 90 89 D10 D8 D7 D9 81 D5 D6 D3 D2 D4 D0 D1 KI2 KI1 KI3 KO2 KI0 D10 D8 D7 D9 D5 D6 D3...

Page 100: ... 0dBm 107 5dBm 120 5dBm 120 5dBm BPF L906 BPF LPF ATT CF RX VCO L907 LPF ANT Radio Frequency 58 05MHz 450kHz SG input level for 12dB SINAD are obtained Measured by connecting SG to each point via a 0 01μF capacitor RF AMP Q2 AMP Q208 AMP Q420 AMP Q9 MCF XF202 IF AMP Q205 106 0dBm 8 74 0dBm IF AMP Q204 82 0dBm IF AM IC20 CF201 CF202 CF CF203 FM SYSTEM IC IC202 1st Mixer IC716 TX VCO VCTCXO 19 2MHz ...

Page 101: ...Hz Narrow 1 5kHz 81 5dBm 82 0dBm 180mVrms 3 4 IC701 RXAF SMF 218mVrms 6 7 IC711 RX SUM 218mVrms 10 11 IC719 EVOL VOL 20 88mVrms 1 4 IC715 SP AMP J701 4 00Vrms IF AMP IC201 68 0dBm IF AMP IC704 3 0 0dBm 17 0dBm AMP Q10 AMP Q420 Drive AMP Q150 Drive AMP Q151 Final Module IC102 8 0dBm 10 0dBm DC AMP APC MP SW ANT Filter Wilkinson Coupler BPF D103 D920 D921 D925 D926 DET D108 ANT Gate bias IC103 DET D...

Page 102: ...W51FK LPF IC706 1 2 RXAF TC75S51FE LPF IC701 RX OPT TON 450k I2CCK I2CDT TEMP SENSOR IC1 LM73CIMKX 0 33C X1 19 2MHz L77 3016 05 VCTCXO ASQAPC IC703 LP TC75W5 33C Q11 BUFF 2SK3737 5 PLL IC3 SKY72310 362 PLD Q203 2SC5636 33C 50C LOOP FILTER TC75W51FK F IC5 1 2 CV M FILTER 80C Ripple 2SC5383 T111 Q1 IC4 BUFF XC221A1200MRG ASSIST IC5 2 2 TC75W51FK F VCO_MOD Fin IF IC TK109 50C 2nd Local D202 SW Q202 R...

Page 103: ...2 2 W51FK F BPF 2SC5636 AMP Q10 T R D101 205 SW PRE Q150 AMP DRIVE Q151 DRIVE IC102 FINAL RA45H76871101 SW ANT 80T 80T B MA4PH633 D925 926 ANT LPF APC APC MP IC103 NJM12904RB1 80T IC719 7 8 R2A20178NP DAC LNA 80R Q2 3SK293 F 1st MIXER 2SC5636 BUFF Q208 IC716 CMY210 XF202 AMP IF Q205 Q204 AMP IF IF IC IC202 TK10931VTL G 50C 50R 50R 50R IC203 1 2 TC75W51FK F TC75W51FK F IC203 2 2 VAGC RSSI IC201 BUF...

Page 104: ...05 BACK LIGHT D915 D926 DC SW Q909 RT1N141U T111 Q911 SSM3K15TE F DIMM BLC1 LCD Q910 Q908 12A02CH RT1N141U T111 B30 2282 05 D927 D936 BACK LIGHT KEY TX BUSY LED DC SW DC SW Q905 RT1N141U T111 Q906 RT1N141U T111 80C RED GREEN Xin Xout 10V DCDC IC906 LM2682MMX Converter N100C 80C KEY MATRIX KO0 D908 D911 D912 HSC119 KO1 KO2 KI0 KI1 KI2 KI3 SB SB ME ME MIC MIC Protect D907 02DZ18F X 02DZ18F X D903 Pr...

Page 105: ...NX 900 105 MEMO ...

Page 106: ...NX 900 106 MEMO ...

Page 107: ...l 6 25kHz 3 BER 0 20µV Digital 12 5kHz 3 BER 0 28µV Analog 12dB SINAD 0 25µV Selectivity Analog 25kHz 75dB Analog 12 5kHz 68dB Intermodulation Distortion Analog 78dB 50 100kHz Spurious Response Analog 80dB Audio Distortion Less than 3 Audio Output 4W 4Ω TRANSMITTER RF Power Output 5 15W Spurious Response 70dB FM Hum and Noise Analog 25kHz 45dB Analog 12 5kHz 40dB Audio Distortion Less than 3 Modul...

Page 108: ...ts Amsterdamseweg 37 1422 AC Uithoorn The Netherlands Via G Sirtori 7 9 20129 Milano Italy Bolivia 239 08020 Barcelona Spain Talavera Business Park Building A 4 Talavera Road North Ryde NSW 2113 Australia Suite 2504 25 F Tower 2 Nina Tower No 8 Yeung Uk Road 1 Ang Mo Kio Street 63 Singapore 569110 CA 90801 5745 U S A Tsuen Wan New Territories Hong Kong WD18 9EB United Kingdom L Etoile Paris Nord 2...

Page 109: ...0 C912 C914 R950 C916 R952 R953 C917 R955 R957 R958 C926 C927 R963 R964 C929 R965 R966 C931 C932 C935 C936 C938 C939 C940 C943 C944 C945 C947 C948 R986 R992 C957 C959 R997 1 25 26 50 51 75 76 100 R998 C960 C961 D904 C965 D907 1 2 IC901 8 5 1 4 4 5 5 8 4 1 3 1 4 5 3 1 IC903 IC904 5 4 4 4 5 3 1 5 8 4 1 5 3 1 1 3 IC905 IC907 IC908 IC909 IC912 8 5 10 11 1 20 1 4 D937 Q913 1 3 4 6 R922 C922 R960 R976 R...

Page 110: ...2 1 19 2 20 C547 C548 R585 R586 R588 C551 C552 C553 R590 C556 R593 C558 C561 C562 C563 C565 C566 C567 C568 C569 C570 C571 D511 TTL RS 232C C572 C573 C574 C575 C576 C577 C578 C579 C594 IC515 C595 IC516 4 5 1 8 8 1 5 4 C596 R600 R601 C817 C439 Q501 3 3 4 1 5 4 1 6 L509 L510 R534 C549 C580 C582 C586 IC512 C22 C23 C24 C25 C26 C27 C28 C29 C33 C36 C88 C1 C3 D2 C858 IC1 3 4 1 6 IC3 IC4 3 4 1 5 L34 R16 R1...

Page 111: ...58 R320 C102 C103 C108 R339 R152 R156 R157 R158 R163 R20 R170 CN540 C344 C150 C151 C158 C159 D101 C161 C167 Q204 C168 Q205 Q208 C173 C564 R997 L218 L220 R202 R203 L447 L448 L449 C41 C43 C44 C46 C59 C61 C68 C70 C74 C78 C82 C85 C86 C98 C8 D3 D7 D8 C862 L914 L915 L916 L917 L919 L920 L921 D10 D11 D12 L3 L11 L12 L13 L14 L19 C107 L22 R153 L41 Q5 G D S G D S C144 C146 C148 C149 R40 C938 R65 C948 Q420 R84...

Page 112: ...910 R911 R912 R913 C909 C910 C911 C912 C913 C914 C916 C917 C918 C919 C920 C921 C923 L901 L902 1 30 C901 C908 D905 Q901 B E C C C C B E C C C C Q902 R901 R914 C907 C922 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Layer 5 Layer 6 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Layer 5 Layer 6 TX RX UNIT X57 8060 10 B 2 Component side view J79 0302 19 B 2 TX RX UNIT X57 8060 10 ...

Page 113: ...OTECTION PROTECTION PROTECTION AUXIO2 MC2850 D901 BER DT MC2850 D903 MC2850 D907 D911 AUXIO4 LINE LINE PROTECTION D903 D904 AUXIO1 BER CK LINE D902 PROTECTION LINE D901 AUXIO3 LINE D908 LINE PROTECTION D907 R903 C911 100p C912 100p C913 100p 470 R905 470 R904 100 23 24 12 MC2850 R902 100 A 13 J901 13 27 13 PROTECTION AUXIO5 AUXIO8 LINE D912 PROTECTION LINE D911 R831 4 6 470p C810 0 5 GND PA HOR CN...

Page 114: ... SKY72310 362 PLD Q203 2SC5636 33C 50C LOOP FILTER TC75W51FK F IC5 1 2 CV VCO Q5 Q6 MCH3914 8 H FILTER Ripple 50C T R SW T_R 2SC5636 BUFF Q9 FILTER 80C Ripple Q4 2SC5383 T111 2SC5383 T111 Q1 IC4 BUFF XC221A1200MRG ASSIST IC5 2 2 TC75W51FK F VCO_MOD BPF Fin 2SC5636 AMP Q10 T R D101 205 SW PRE Q150 AMP DRIVE Q151 DRIVE IC102 FINAL RA45H76871101 SW ANT 80T 80T B MA4PH633 D925 926 ANT LPF APC APC MP I...

Page 115: ... Measured with AF voltmeter connected to the external speaker jack receiving a 53dBm SSG signal modulated at 1kHz DEV Wide 5k 3kHz Wide 4k 2 4kHz Narrow 1 5kHz RF AMP Q2 AMP Q208 AMP Q420 AMP Q9 MCF XF202 IF AMP Q205 106 0dBm 81 5dBm 74 0dBm IF AMP Q204 82 0dBm 180mVrms 3 4 IC701 RXAF SMF 218mVrms 6 7 IC711 RX SUM 218mVrms 10 11 IC719 EVOL VOL 20 88mVrms 1 4 IC715 SP AMP J701 4 00Vrms IF AMP IC201...

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Summary of Contents for NEXEDGE NX-900

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Kenwood NEXEDGE NX-900, Service Manual, Page: 100 / 115

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Summary of Contents for NEXEDGE NX-900

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