Kenwood NEXEDGE NX-220 Service Manual Download Page 86

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ED1

J79-0312-09 B/3

J79-0312

-09 C/3

J79-0312-09 A/3

C78

C79

C83

C84

C90

C93

CP10

CP11

D15

–

CP12

D16

CP13

CP14

IC8

AUX

PTT

Side1

R65

R66

R72

R73

R75

CP2

CP3

CP4

CP5

CP6

C85

C94

MIC1

D19

D18

R67

R69

R70

R71

R74

R76

R83

CP7

CP8

CP9

DISPLAY UNIT (X54-3760-XX) -10: C -12: C2
Component side view (J79-0312-09)

NX-220

PC BOARD /

印刷电路板

Summary of Contents for NEXEDGE NX-220

Page 1: ...antenna Antenna is available as an option 不附带天线天线是选购件 Knob Volume 旋钮音量 K29 9485 13 Knob Selector 旋钮选择器 K29 9486 13 Plastic cabinet assy 机壳 A02 4132 13 Plastic cabinet assy 机壳 A02 4130 13 Packing 16Key 衬垫 16 键 G53 1865 01 Knob Volume 旋钮音量 K29 9485 13 Knob Selector 旋钮选择器 K29 9486 13 Knob PTT 按钮 PTT K29 9500 03 Knob PTT 按钮 PTT K29 9500 03 Button knob Side1 Side2 AUX 钮扣按钮侧面1 侧面2 辅助 K29 9501 03 H...

Page 2: ...ation 拥有版权 2011 保留所有权利未经 Kenwood 公司预先书面同意无论出于何种目的均不得以任何形式或任何方式包括电子机械影印录音或其他方式复制翻译分发或传播本手册的任何部分免责声明 Kenwood 公司在准备本文档时已采取所有必要的预防措施恕不对错误或疏漏承担任何责任也不对因使用本文中所含的信息而导致的损害负责 Kenwood 公司保留出于改进的需要而随时对文中的产品信息做出更改的权利概述 3 系统体系 4 模式组合 5 维修拆卸 10 电路说明 17 元件说明 25 端子功能 28 零件表 31 部件分解图 40 包装 41 故障排除 43 调整 49 印刷电路板显示单元 X54 3760 XX 86 收发单元 X57 8040 10 90 电平图 94 互连图 95 原理图 96 方块图 106 可选附件 KN...

Page 3: ...ing replacement parts or equipment informa tion the full part identification number should be included This applies to all parts components kits or chassis If the part number is not known include the chassis or kit number of which it is a part and a sufficient description of the re quired component for proper identification PERSONAL SAFETY The following precautions are recommended for personal saf...

Page 4: ...grammed for the transceiver Frequency range MHz RF power LCD Type TX RX 136 174 TX RX 136 174 NX 220 C2 NX 220 C 5W 5W NO 否 Option YES 是 KMC 21 KMC 45 Speaker microphone 扬声器麦克风 or 或 KMC 48GPS GPS speaker microphone GPS扬声器麦克风 Delivery 接收订单选择手持对讲机的类型手持对讲机编程您使用扬声器麦克风吗需使用个人电脑编程接口 KPG 22A 22U USB适配器 KCT 53U 和编程软件 KPG 141D C 进行编程编制手持对讲机的频率和信令数据可选件交货频率范围 MHz 射频功率 DTMF keypad DTMF键盘类型 Are you us...

Page 5: ...another Firmware version information 1 Used to confirm the internal firmware ver sion 1 C model only 2 How to Enter Each Mode Mode Operation User mode Power ON Panel test mode 2 Power ON PC mode Received commands from PC Panel tuning mode 2 Panel test mode Firmware programming mode Side1 Power ON Clone mode 2 Power ON Firmware version information 2 Power ON 2 C model only 3 Panel Test Mode C model...

Page 6: ...mmediately enter user mode When the PC sends a command the transceiver enters PC mode and PROGRAM is dis played on the LCD When data is transmitting from the transceiver the red LED lights When data is receiving by the transceiver the green LED lights PC KPG 22A or KPG 22U or KPG 22A KCT 53U KPG 22A或KPG 22U或KPG 22A KCT 53U KPG 141D C Tuning cable 调谐电缆 E30 3216 05 D SUB 9 pin 9针 KPG 22A PC Gray Gra...

Page 7: ... in the future For details on how to obtain the firm ware contact Customer Service 6 2 Connection procedure Connect the transceiver to the personal computer using the interface cable KPG 22A 22U and USB adapter KCT 53U when the interface cable is KPG 22A the KCT 53U can be used Connection is the same as in the PC Mode 6 3 Programming 1 Start up the firmware programming software Fpro exe ver 6 0 or...

Page 8: ...ectronic Serial Number data Note The following data can be cloned Fleet own ID own for FleetSync Unit ID own for NXDN ID own for MDC 1200 1 Press and hold the key while turning the transceiver power ON If the Read authorization password is set to the transceiver the transceiver displays CLN LOCK If the password is not set the transceiver displays CLONE 2 When you enter the correct password and CLO...

Page 9: ... and the target automatically operates in the User mode The target can then be operated by the same program as the source 7 The other target can be continuously cloned When the key on the source is pressed while the source displays END the source displays CLONE Carry out the op eration in step 4 to 6 Note Cannot be cloned if the password overwrite password is programmed to the target Model Name mu...

Page 10: ... by little as shown in the figure q Note Do not grasp the knob spring tightly 2 Remove the selector knob spring w Note Do not bring your fingers into contact with the flat spring of the knob spring as much as possible 3 Repeat steps 1 and 2 for the volume knob spring to re move the volume knob spring e Note Perform the following procedures when installing the selec tor knob spring and volume knob ...

Page 11: ...e VOL SEL FPC from the connector CN1 r 5 Remove the packing t from the SP MIC jack 6 Remove the 14 screws y 7 Anchor the screw hole of the TX RX unit using the tip of a pair of tweezers as shown in the figure Then lift the TX RX unit to remove it from the chassis u DISASSEMBLY FOR REPAIR 维修拆卸拆下机械挡块仅限 C2 型号 1 用镊子夹住机械挡块的扣环并将其提起注意小心不要损坏密封件 2 拆下机械挡块从底座拆下收发单元 1 从连接器 CN2 上取下扁平电缆 2 从连接器 CN4 上取下扬声器导线...

Page 12: ...nto the right groove of the chassis w 3 Pull the TOP packing to the center to remove the packing that is fit into the center groove of the chassis e 4 Remove the TOP packing r Note Remove the packing slowly as the packing of the selec tor part might overset when the TOP packing is removed If the packing is turned over return it to the normal posi tion using a soft tipped item e g your finger DISAS...

Page 13: ... case if the 16 key part on the key top gets stuck inside the case as shown in the figure return it to the normal position us ing a soft tipped item e g your finger e Prying it with a pointed metal tool such as forceps may damage the key top or packing Confirm that the TOP packing is not caught in the An tenna or Volume holes of the case DISASSEMBLY FOR REPAIR 维修拆卸 2 重新组装注意事项将粘合剂涂在选择器圆形螺母和音量圆形螺母上...

Page 14: ...r knob and knob spring Changing the channel selector from free opera tion to 16 channel C model only 1 Remove the channel selector knob q Refer to page 10 for how to remove the channel selector knob 2 Remove the knob spring w Refer to page 10 for how to remove the knob spring 3 Pinch the supplied mechanical stopper e using your fin gers then install it into the groove of the selector part on the c...

Page 15: ... the following figures for the connec tion place of the antenna terminal and the TX RX unit Align the SP MIC lead wire Align the SP MIC lead wire as shown in the figure It is possible to fix temporarily by interweaving the two lead wires between the tabs tab A and tab B and boss of the speaker holder DISASSEMBLY FOR REPAIR 维修拆卸注意有关信道选择旋钮和旋钮弹簧的安装方法请参阅第 10 页天线棒和天线端子的连接位置在图示的位置连接天线棒和天线端子用螺钉拧紧收...

Page 16: ...bber Cushion SP G11 4272 14 Sheet SP G11 4527 04 Chassis A10 4148 01 Sheet PTT G11 4543 04 Rubber Sheet FET G11 4315 14 Used for stabilizing the radiation performance of the FET Sheet Air G11 4500 04 This sheet is put on the air vent hole This sheet lets air through but does not let water through Cushion G13 2249 04 MIC Element T91 0673 05 Sheet ECM G11 4558 04 主要部件组装的薄片缓冲垫零件名称零件 ...

Page 17: ...by a variable capacitor The input volt age to the variable capacitor is regulated by the voltage out put from the D A converter IC4 The signal is amplified by an RF amplifier Q202 and passed through the band pass filter L207 L208 and L211 The resulting signal is applied to the first mixer Q201 where it is mixed with the first lo cal oscillator signal output from the frequency synthesizer to produc...

Page 18: ... the DSP The audio signal from IC610 and IC603 goes through the amplifier IC904 The signal then goes through an electronic volume control IC4 and AF amplifier IC901 While AFSW is High the power supply of audio power amplifier IC901 is activated and the output to the speaker turns ON 3 4 Squelch circuit It amplifies the demodulated noise signal from IC610 af ter filtering through the LPF and HPF ci...

Page 19: ...he T R switch D413 is on is amplified by the pre drive amplifier Q102 to 16 17dBm It makes it possible to spoil input to the drive amplifier by control ling the power supply of the pre drive amplifier with the PD switch Q110 The output of the pre drive amplifier is amplified by the drive and final amplifiers Q103 Q104 to 5 0W 1 0W when the power is low Q103 and Q104 are MOS FETs The output of the ...

Page 20: ...the transmit carrier is 136 to 174MHz and the 1st local receive signal is 185 95 to 223 95MHz The VCO oscillation frequency is determined by one sys tem of operation switching terminal T R and two systems of voltage control terminals CV and ASSIST The operation switching terminal T R is controlled by the control line T_R output from the ASIC IC610 When the T_R logic is low the VCO outputs the tran...

Page 21: ... D413 that is controlled by the transmission power supply 50T and the diode switch D412 that is controlled by the receive power supply 50R If the 50T logic is high it is con nected to a send side pre drive Q102 If the 50T logic is low it is connected to a receive side mixer Q201 Fig 6 PLL block diagram 图 6 PLL 结构图 Loop Filter BUFF AMP VCO BPF 100C TCXO PLL IC403 Q405 Q401 Q402 D402 D405 D407 D409 ...

Page 22: ... warning The battery voltage is divided using R514 and R515 and is detected by the ASIC IC610 When the battery voltage falls below the voltage set by the Low battery warning ad justment the red LED blinks to notify the operator that it is time to replace the battery If the battery voltage falls even more approx 5 8V a beep sounds and transmission stops Low battery warning Battery condition The red...

Page 23: ...e ASIC changes the SBC signal to Low 50C is fed to IC509 100C IC509 D511 and D512 con sist of a voltage doubler C543 is charged to 5V by 50C and switched to C545 by the DDCLK control signal The 100C circuit then outputs approximately 10VDC 8 Signaling Circuit 8 1 Encode QT DQT LTR DTMF 2 tone MSK Each signaling data signal of QT DQT LTR DTMF 2 tone and MSK is generated by the DSP circuit superimpo...

Page 24: ...1 0A VOL SW B TX RX unit Q902 SW IC902 50V IC507 5 6V Det IC506 38M IC501 33A IC502 33M IC503 15M IC505 33C IC504 50C Q501 SB2 IC509 100C Q505 50T Q503 50R Q512 50CS Ripple filter IC8 LCD driver ASIC IC610 Final AMP APC AFPA 2 pin Jack DSP FLASH SRAM DSP PLL TCXO ASSIST TX circuit RX circuit PLL fin VCO AF circuit AF circuit DAC SQL circuit LED PSW BINT Display unit CN2 CN5 CIRCUIT DESCRIPTION 电路说...

Page 25: ...tage regulator 50C IC505 IC Voltage regulator 33C IC506 IC DC DC converter 38M IC507 IC Voltage detector BATT IC509 IC DC DC converter 100C IC601 IC Flash memory IC603 IC DSP IC605 IC SRAM IC607 IC Voltage detector Reset IC609 IC Buffer Clock IC610 IC ASIC IC611 612 IC AND gate 2 input IC613 IC Acceleration sensor 显示单元 X54 3760 XX 有关号码零件名称说明 IC1 IC ASQ BPF IC2 IC AF LPF 麦克风放大器 IC4 IC D A 转换器...

Page 26: ...EXT MIC switch Q907 FET Level converter D101 Zener diode APC protect D102 103 Diode Antenna switch D105 106 Diode Antenna switch D202 204 Variable capaci tance diode BPF tune D206 Variable capaci tance diode BPF tune D401 Diode Bypass D402 Variable capaci tance diode Assist tune D403 Variable capaci tance diode TX VCO tune COMPONENTS DESCRIPTION 元件说明有关号码零件名称说明 IC901 IC AF 功率放大器 IC902 IC 稳压器...

Page 27: ...tune D501 Diode Reverse protection D502 Diode Speed up D505 506 Diode DC DC converter D508 Diode DC DC converter D509 Diode Reverse current protection D511 512 Diode DC DC converter D901 Diode Reverse current protection D902 Diode 50V switch control COMPONENTS DESCRIPTION 元件说明有关号码零件名称说明 D404 可变电容二极管频率调谐 RX VCO D405 可变电容二极管 VCO 辅助调谐 D407 可变电容二极管 VCO 辅助调谐 D409 可变电容二极管 VCO 辅助调谐 D410 可变电容 ...

Page 28: ... 2 PTT O Internal PTT output 3 S1 O Key output Side1 key 4 S2 O Key output Side2 key 5 EMG O Key output AUX key 6 GND Ground TX RX unit X57 8040 10 Pin No Name I O Function CN1 1 B O Power output after passing through the fuse 2 SB1 I Power input after power switch 3 NC No connection 4 33A O 33A output 显示单元 X54 3760 XX A 3 管脚号码名称输入输出功能 CN5 1 33M 输入 33M 输入 2 SCK0 输入时钟输入 3 SDI0 输入串行数据输入 4 SD...

Page 29: ...nput 23 SCK0 O Clock output 24 33M O 33M output CN3 1 GND Ground 2 PTT I Internal PTT input 3 S1 I Key input Side1 key 4 S2 I Key input Side2 key 5 EMG I Key input AUX key 6 GND Ground CN4 1 MIC I Internal MIC input 2 MIC Internal MIC ground 3 SP O Internal speaker output 4 SP Internal speaker ground 管脚号码名称输入输出功能 5 VOL 输入用于音频控制的音量电平输入 6 VOL_GND 用于音量电平的接地 7 ENC3 输入旋转开关输入 8 GND 接地 9 ENC4 输入 ...

Page 30: ... 5 0 5 1 V Load Open Output Voltage Low 0 0 1 V Load Open 8 SPI I Analog Internal Speaker input 9 SPO O Analog Internal Audio output Maximum Output Power 1300 mW AF 0 3 3kHz FM Dev Maximum Load 8Ω P S 9 0V Standard Output Power 400 mW AF 1kHz Load 8Ω THD 10 P S 7 5V TERMINAL FUNCTION 端子功能 SP MIC 连接器规格管脚号码名称输入输出信号类型说明项目和条件最小标准最大单位注意 1 PTT RXD 输入数字 PTT RXD 输入 Zin 10kΩ 输入电压高 4 5 ...

Page 31: ...let 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 80...

Page 32: ...LDER FG SP 51 1A J21 8631 03 MOUNTING HARDWARE LCD C 52 1D J29 0701 15 BELT CLIP ACCESSORY 53 3A J87 0027 05 FPC LEAD FREE PTT 54 2A J87 0040 05 FPC LEAD FREE VOL SELECTOR 56 1B K29 9485 13 KNOB VOL 57 1B K29 9486 13 KNOB SELECTOR 58 1A K29 9500 03 KNOB PTT 59 1B K29 9501 03 BUTTON KNOB SIDE1 SIDE2 AUX A 3A N09 2438 05 BINDING HEAD SCREW ANT B 3A N09 6608 05 SPECIAL SCREW CASE C 3A N14 0864 04 CIR...

Page 33: ... CHIP R 220K J 1 16W R21 22 RK73HB1J563J CHIP R 56K J 1 16W R23 RK73HB1J222J CHIP R 2 2K J 1 16W R24 RK73HB1J000J CHIP R 0 0 J 1 16W R26 RK73HB1J683J CHIP R 68K J 1 16W R28 30 RK73HB1J000J CHIP R 0 0 J 1 16W R33 35 RK73HB1J104J CHIP R 100K J 1 16W R37 RK73HB1J154J CHIP R 150K J 1 16W R39 40 RK73HB1J103J CHIP R 10K J 1 16W R41 42 RK73HB1J683J CHIP R 68K J 1 16W R44 45 RK73HB1J104J CHIP R 100K J 1 1...

Page 34: ...G C213 CC73HCH1H050B CHIP C 5 0PF B C214 CC73HCH1H150J CHIP C 15PF J C215 216 CK73HB1H102K CHIP C 1000PF K C217 CC73HCH1H3R5B CHIP C 3 5PF B C218 CC73HCH1H070B CHIP C 7 0PF B C223 CK73HB1H102K CHIP C 1000PF K C224 CC73HCH1H040B CHIP C 4 0PF B C225 CC73HCH1H470J CHIP C 47PF J C227 CK73HB1H102K CHIP C 1000PF K C228 CC73HCH1H1R5B CHIP C 1 5PF B C229 CC73HCH1H270J CHIP C 27PF J C231 CK73HB1H102K CHIP ...

Page 35: ...1H100B CHIP C 10PF B C483 CK73HB1H102K CHIP C 1000PF K C484 CK73HB1H471K CHIP C 470PF K C486 CC73HCH1H101J CHIP C 100PF J C491 CC73HCH1H101J CHIP C 100PF J C492 CC73GCH1H101J CHIP C 100PF J C501 502 CK73HB1H471K CHIP C 470PF K C503 CK73HB1H102K CHIP C 1000PF K C504 CK73HB1E682K CHIP C 6800PF K C505 CK73HB1E103K CHIP C 0 010UF K C506 CC73HCH1H220G CHIP C 22PF G C507 CK73HB1H471K CHIP C 470PF K C508...

Page 36: ...J1 E11 0484 05 3 5D PHONE JACK 3 5D 3P J2 E11 0715 05 2 5D PHONE JACK F1 F53 0324 15 FUSE 2 5A F2 F53 0319 15 FUSE 1A CF1 L72 1017 05 CERAMIC FILTER CF2 L72 1040 05 CERAMIC FILTER L102 L40 3375 71 SMALL FIXED INDUCTOR 33NH L103 L40 1085 92 SMALL FIXED INDUCTOR 100NH L104 L40 3975 71 SMALL FIXED INDUCTOR 39NH L105 L41 1085 43 SMALL FIXED INDUCTOR 100NH L106 L92 0149 05 CHIP FERRITE L107 L41 4763 53...

Page 37: ...61 RK73HH1J474D CHIP R 470K D 1 16W R162 RK73HB1J103J CHIP R 10K J 1 16W R163 RK73HB1J224J CHIP R 220K J 1 16W R164 RK73HB1J104J CHIP R 100K J 1 16W R165 RK73HB1J563J CHIP R 56K J 1 16W R166 RK73HB1J000J CHIP R 0 0 J 1 16W R167 RK73HB1J222J CHIP R 2 2K J 1 16W R168 RK73HB1J823J CHIP R 82K J 1 16W R169 RK73HB1J104J CHIP R 100K J 1 16W R201 RK73HB1J470J CHIP R 47 J 1 16W R203 RK73HB1J681J CHIP R 680...

Page 38: ...IP R 100K J 1 16W R474 RK73HB1J000J CHIP R 0 0 J 1 16W R501 RK73HH1J274D CHIP R 270K D 1 16W R502 RK73HB1J272J CHIP R 2 7K J 1 16W R503 RK73HB1J000J CHIP R 0 0 J 1 16W R504 RK73HB1J222J CHIP R 2 2K J 1 16W R505 RK73HH1J184D CHIP R 180K D 1 16W R506 RK73HB1J101J CHIP R 100 J 1 16W R507 RK73HB1J683J CHIP R 68K J 1 16W R508 RK73HB1J102J CHIP R 1 0K J 1 16W R509 RK73HB1J222J CHIP R 2 2K J 1 16W R510 R...

Page 39: ...CAPACITANCE DIODE D501 1SR154 400 DIODE D502 1SS388F DIODE D505 1SS388F DIODE D506 HRB0502A DIODE D508 DAN222 DIODE D509 1SS388F DIODE D511 512 1SS416 DIODE D901 1SS416 DIODE D902 DAN222 DIODE IC101 TA75W01FUF MOS IC IC201 TC75W51FK F MOS IC IC302 TK10931VTL G ANALOGUE IC IC304 TC75W51FK F MOS IC IC402 XC221A1200MRG MOS IC IC403 SKY72310 362 MOS IC IC404 TC75W51FK F MOS IC IC501 502 NJM2878F4 33 B...

Page 40: ...57 56 26 16 C2 26 33 65 28 21 35 46 50 MIC1 X54 X54 C 3 X54 B 3 B A A C D B 701 702 704 705 706 E E F Display unit X54 376 A 3 TX RX unit X57 804 51 30 11 20 9 10 F Fx2 25 25 37 39 22 19 54 34 53 S101 36 38x2 29 4 1 44 43 8 18 41 42 46x2 23 31 32 6 C 700 C2 Fx14 A N09 2438 05 B N09 6608 05 C N14 0864 04 D N14 0865 04 E N30 3006 43 F N83 2005 48 VR1 ...

Page 41: ...ded numbers larger than 700 are not supplied 编号大于 700 的零件未提供分解图 3 2 1 D C 52 Belt clip J29 0701 15 16 Stopper 16CH D32 0454 04 C 49 Holder J19 5483 23 7 Cap B09 0686 03 709 Packing fixture 710 Item carton case 13 Instruction manual B62 2320 00 ...

Page 42: ... Normal voltage FRST C655 3 3V If the FRST is always 0V the ASIC is broken If the FRST repeats 3 3V and 0V at intervals The ASIC FLASH and SRAM may be broken The BGA parts are not broken Checking for an abnormal point 33M has an abnormal voltage ASIC Remove L616 to check the voltage of the 33M If the voltage becomes normal the ASIC is broken DSP Remove L611 to check the voltage of the 33M If the v...

Page 43: ...18 432MHz DSP侧 R629 18 432MHz 检查复位控制信号检查输入到ASIC的控制信号检查点正常电压 RESET IC607 4针 3 3V BINT Q507 6针 3 3V PSW Q506 3针 3 3V 检查从ASIC输出的控制信号检查点正常电压 FRST C655 3 3V 检查ASIC的输出信号检查点正常电压 SBC R544 3 3V 检查点正常电压 DRST R604 3 3V 确认数值异常时确认数值异常时确认数值异常时确认数值异常时确认数值异常时确认数值异常时如果 FRST始终为0V 则ASIC已损坏如果 FRST交替重复3 3V和0V 则ASIC FLASH和SRAM可能已损坏 BGA部分未损坏检查异常点检查异常点33M有异常电压 ASIC 取出L616检查33M的电压如果电压变正常则ASIC已损坏 DSP 取出...

Page 44: ...be checked Normal voltage LCDCS R667 3 3V 0V 3 3V If the LCDCS is 0V or 3 3V the ASIC FLASH SRAM may be broken When a normal value is confirmed When an abnormal value is confirmed When an error display appears on the LCD 1 The LCD displays ERR 1 An error occurs when the ASIC internal RAM reads or writes The ASIC may be broken The LCD displays ERR 2 An error occurs when the DSP internal RAM reads o...

Page 45: ...损坏 DSP内部RAM读取或写入时发生错误 DSP可能已损坏 SRAM内部RAM 读取或写入时发生错误 SRAM可能已损坏 ASIC内部RAM读取或写入时发生错误 ASIC可能已损坏 DSP内部RAM读取或写入时发生错误 DSP可能已损坏 SRAM内部RAM 读取或写入时发生错误 SRAM可能已损坏或或 1 仅限C型号 2 仅限C2型号信号名称说明 1 RST RESET ASIC 复位信号 LOW 复位 2 BINT 电池终止电压监测 LOW 终止电压 3 PSW 电源开关信号 HIGH ON 4 FRST FLASH 复位信号 LOW 复位 5 SBC 开关 B 控制 HIGH ON 6 DRST DSP 复位信号 LOW 复位更换收发单元收发单元信息型号名称原始收发单元编号维修收发单元编号 NX 220 X57 8040 10 X57 8040 11 原始收发单元和...

Page 46: ...th the FPU is not possible 2 Using the KPG 141D C 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 When writing to the transceiver a Warning Message corresponding to the item selected appears Click OK to continue writing the data 3 Enter Program Test Mode then adjust ...

Page 47: ...号更换 PCB 后 1 更换印刷电路板之后按照模式组合 6 固件编程模式的说明写入最新的固件根据市场写入固件如果写入不同的市场固件则无法与 FPU 进行通信 2 使用 KPG 141D C 从机型产品信息菜单中选择所需的项目型号名称和频率然后用编程向通信机写入数据写入 FPU 数据 PC 编程模式写入手持对讲机时会出现与所选项目对应的警告讯息单击 OK 继续写入数据 3 进入编程测试模式然后按照调整中的说明调整各项调整数据 PC 测试模式 4 贴上与新印刷电路板对应的新标签关于标签位置请参见下图 5 如有必要可使用 KPG 141D C 写入用户使用的 FPU 数据注意使用集群通信的 ESN 验证功能时 ESN 编号会在更换电路板时发生改变该编号写在电路板上无法访问集群通信系统根据新的 ESN 保持集群通信系统的 ESN ...

Page 48: ...nel No Side1 Push Squelch level up Hold Squelch off Squelch level Squelch off icon appears Side2 Wide Narrow Very narrow Wide W Narrow N Very narrow V Shift to panel tuning mode Function on appears on the LCD display MSK 1200bps and 2400bps 2400bps icon appears Push Test signaling up Hold Test signaling up continuously Signaling No AUX Analog NXDN Analog A NXDN N PTT Transmit Key not appears on th...

Page 49: ...减信道号侧面 1 按下静噪电平递增按住静噪关静噪电平静噪关图标出现侧面 2 宽带窄带甚窄带宽带 W 窄带 N 甚窄带 V 换到面板调谐模式功能开 LCD 显示上出现 MSK 1200bps 和 2400bps 2400bps 图标出现按下测试信令递增按住测试信令持续递增信令号辅助模拟 NXDN 模拟 A NXDN N PTT 发射键 LCD 显示上不出现功能显示 0 至 9 和用作 DTMF 键盘如果在发射时按下某个键则发送与按下的键对应的 DTMF 键 LCD 显示上出现功能显示选择器测试信道递增递减信道号侧面 1 功能关侧面 2 LCD 全亮 LCD 全点显示高功率低功率高图标不出现低图标出现功能关压扩器打开关闭开图标出现拍频偏移打开关闭开图标出现辅助功能关 PTT 发射 ...

Page 50: ...ccess Number PN9 Pseudo Random Pattern for production only Panel Tuning Mode C model only 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 Selector to adjust tuning requirements 1 to 4096 appears on the LCD Use the key to select the adjustment item through tuning modes Use...

Page 51: ...音 A 304 7Hz B 3106 0Hz 2 音 A 304 7Hz B 3106 0Hz 13 单音 979 9Hz 单音 979 9Hz 14 无单音 1000Hz 15 无 MSK 16 MSK MSK NXDN 模式信令编号接收发射 1 RAN1 RAN1 2 无 PN9 3 RAN1 最大频偏模式 7 无 FSW PN9 仅限 PC 测试模式 RAN 无线接入编号 PN9 伪随机模式仅限用于生产面板调谐模式仅限 C 型号手持对讲机调谐进入调谐模式要进入调谐模式请在手持对讲机处于测试模式时按键用键写入调谐模式的调谐数据用选择器调整调谐要求 LCD 上出现 1 到 4096 用键选择调谐模式的调整项目用键调整 5 点基准电平调整然后用侧面 2 键切换宽带窄带甚窄带面板调谐模式时的 LCD 显示 B A L 1 2 9 调整...

Page 52: ...arrow Maximum Deviation of NXDN Narrow Very Narrow is adjusted Maximum Deviation Analog Wide Narrow Maximum Deviation of Analog Wide Narrow is adjusted This item must be adjusted before all adjustment items for tone deviations are adjusted Note Maximum Deviation Analog Narrow must be adjusted before CW ID Deviation NXDN Very Narrow is adjusted QT Deviation QT tone deviation is adjusted DQT Deviati...

Page 53: ...有调整项目之前调整此项最大频偏 NXDN窄带甚窄带调整 NXDN 最大频偏窄带甚窄带最大频偏模拟宽带窄带调整模拟最大频偏宽带窄带必须在调整音调频偏的所有调整项目之前调整此项注意必须在调整 CW ID 频偏 NXDN 甚窄带之前调整最大频偏模拟窄带 QT 频偏调整 QT 音调频偏 DQT 频偏调整 DQT 音调频偏 LTR 频偏调整 LTR 音调频偏 DTMF 频偏调整 DTMF 音调频偏单音频偏调整 2 音中使用的单音频偏 MSK 频偏调整 MSK 音调频偏 CW ID 频偏调整 CW ID 音调频偏 CW ID 用于通知在 6 25 kHz 间隔信道上发射的其他人按照 FCC 规则各信道间隔须使用模拟模式或 CW ID 灵敏度 1 调整带通滤波器提高接收灵敏度的性能仅可在 PC 测试模式中调整此项灵敏度 2 调整 RF 放大器...

Page 54: ...nsmitter Section 2 1 1024 8 Balance 5 Transmitter Section 3 1 1024 9 Maximum Deviation NXDN 5 5 Transmitter Section 4 1 1024 10 Maximum Deviation Analog 5 5 Transmitter Section 5 1 1024 11 QT Deviation 1 1 Transmitter Section 6 1 1024 12 DQT Deviation 1 1 Transmitter Section 7 1 1024 13 LTR Deviation 1 1 Transmitter Section 8 1 1024 14 DTMF Deviation 1 1 Transmitter Section 9 1 1024 15 Single Tone...

Page 55: ...功率 5 发射部分 1 1 1024 7 低发射功率 5 发射部分 2 1 1024 8 平衡 5 发射部分 3 1 1024 9 最大频偏 NXDN 5 5 发射部分 4 1 1024 10 最大频偏模拟 5 5 发射部分 5 1 1024 11 QT 频偏 1 1 发射部分 6 1 1024 12 DQT 频偏 1 1 发射部分 7 1 1024 13 LTR 频偏 1 1 发射部分 8 1 1024 14 DTMF 频偏 1 1 发射部分 9 1 1024 15 单音频偏 1 1 发射部分 10 1 1024 16 MSK 频偏 1 1 发射部分 11 1 1024 17 CW ID 频偏 1 发射部分 12 1 1024 18 灵敏度 1 5 接收部分 2 1 256 19 灵敏度 2 5 接收部分 3 1 256 20 RSSI 参考 5 5 1 5 接收部分 4 1 256 ...

Page 56: ... VOL1 Volume 2 VOL2 Low L Low Center L Center C Center High H High H High Power HPWR Low Power LPWR Balance BAL NXDN Deviation NDEV Narrow Narrow Narrow Narrow NXDN Deviation NDEV Very Narrow Analog MAX Deviation ADEV Narrow QT Deviation QT Narrow Panel test mode For all adjustment items press the key to write the adjustment value N W VN Adjustment Item LCD Display 5 reference level Adjustments 5 ...

Page 57: ...通过调整模拟窄带进行调整因此不需要调整 NXDN 窄带面板调谐模式流程图注意在此面板调谐模式流程图中调整项目的名称作了修改 N W VN 面板测试模式按住按下按住按下按住按下按住按下按住按下按住按下按住按下按住按下按下音量1 VOL1 音量2 VOL2 高功率 HPWR 低功率 LPWR 窄带窄带窄带窄带窄带窄带平衡 BAL 5点基准电平调整 5点基准电平调整 5点基准电平调整侧面2 侧面2 侧面2 5点基准电平调整 5点基准电平调整 NXDN频偏 NDEV 模拟最大频偏 ADEV QT频偏 QT NXDN频偏 NDEV 模拟最大频偏 ADEV QT频偏 QT 对于所有调整项目请按键写入调整值调整项目 LCD显示调整点 LCD显示 5点基准电平调整低 L 低中 L 中 C 中高 H 高 H 5点基准电平调整退出甚...

Page 58: ... reference level Adjustments 5 reference level Adjustments 5 reference level Adjustments 5 reference level Adjustments 5 reference level Adjustments Side2 Side2 Side2 Side2 Side2 Wide Wide Wide Wide Wide Wide Wide Wide Wide DQT Deviation DQT DTMF Deviation DTMF MSK Deviation MSK Single Tone Deviation TONE Side2 Side2 Side2 Side2 Side2 Side2 Side2 Side2 Side2 Side2 Side2 Side2 Side2 Battery Warning...

Page 59: ...DQT频偏 DQT LTR频偏 LTR DTMF频偏 DTMF 单音频偏 TONE DQT频偏 DQT LTR频偏 LTR DTMF频偏 DTMF 单音频偏 TONE MSK频偏 MSK MSK频偏 MSK CW ID频偏 CWID 超窄带 RSSI 参考 RRSS 静噪浅 SQL RSSI 参考 RRSS 静噪浅 SQL RSSI 低 LRSS RSSI 高 HRSS 静噪深 SQLT RSSI 低 LRSS RSSI 高 HRSS RSSI 参考 RRSS 静噪浅 SQL RSSI 低 LRSS RSSI 高 HRSS 静噪深 SQLT 电池告警电平 BATT 宽带宽带宽带宽带宽带宽带宽带宽带宽带宽带甚窄带甚窄带甚窄带甚窄带 5点基准电平调整 5点基准电平调整 5点基准电平调整 5点基准电平调整 5点基准电平调整调整 ...

Page 60: ...x 3A Useful if ammeter equipped Antenna connector adapter The antenna connector of this transceiver uses an SMA terminal Use an antenna connector adapter SMA f BNC f or SMA f N f for adjustment The adapter is not provided as an option so buy a commercially available one Nut wrench In order to turn the volume nut and the channel selector nut use a recommendation tool KENWOOD part No W05 1123 00 Bat...

Page 61: ...0P 25V C3 100μ 25V R1 1 8M 原理图端子红色端子黑色电源电缆电源调整所需的测试设备测试设备主要规格 1 标准信号发生器 SSG 频率范围 136 到 174MHz 调制调频和外部调制输出 127dBm 0 1µV 到大于 20dBm 22 4mV 进行频率调整时需要以下精度 0 003ppm 如有必要请使用标准振荡器进行调整 2 功率计输入阻抗 50Ω 操作频率 136 到 174MHz 测量范围 10W 左右 3 频偏仪频率范围 136 到 174MHz 4 数字电压表 DVM 测量范围直流 10mV 到 10V 输入阻抗为最小电路负载高输入阻抗 5 示波器直流到 30MHz 6 高灵敏度频率计数器频率范围 10Hz 到 1000MHz 频率稳定性 0 2ppm 或更低 7 电流表 5A 8 音频电压表 AF VT...

Page 62: ...Channel Channel 2 Test Signaling Mode Analog Signaling 1 PTT Press Transmit button 3 CH Sig 3 1 PTT ON 3 Test Channel Channel 3 Test Signaling Mode Analog Signaling 1 PTT Press Transmit button 3 Low power check Batt 7 5V 1 CH Sig 1 1 PTT ON 1 Test Channel Channel 1 Test Signaling Mode Analog Signaling 1 PTT Press Transmit button 0 7W 1 3W 1 0A or less 2 CH Sig 2 1 PTT ON 2 Test Channel Channel 2 T...

Page 63: ...检查 4 0W 6 0W 2 0A 或更低 2 CH Sig 2 1 PTT 开启 2 测试信道信道 2 测试信令模式模拟信令 1 PTT 按发射按钮 3 CH Sig 3 1 PTT 开启 3 测试信道信道 3 测试信令模式模拟信令 1 PTT 按发射按钮 3 低功率检查电池电压 7 5V 1 CH Sig 1 1 PTT 开启 1 测试信道信道 1 测试信令模式模拟信令 1 PTT 按发射按钮 0 7W 1 3W 1 0A 或更低 2 CH Sig 2 1 PTT 开启 2 测试信道信道 2 测试信令模式模拟信令 1 PTT 按发射按钮 3 CH Sig 3 1 PTT 开启 3 测试信道信道 3 测试信令模式模拟信令 1 PTT 按发射按钮 4 麦克风灵敏度检查 1 CH Sig 1 1 AG 1kHz ...

Page 64: ...Unit Terminal Unit Parts Method 1 Setting 1 BATT terminal voltage 7 5V 2 SSG standard modulation Wide MOD 1kHz DEV 3kHz Narrow MOD 1kHz DEV 1 5kHz 2 Counter clockwise Volume 1 Adj item VOL1 Adjust 1 Adj item Counterclockwise Volume Panel tuning mode Turn the volume knob counterclock wise fully Press key to store the adjustment value PC test mode Turn the volume knob counterclock wise fully Press A...

Page 65: ...SG AF VTVM 示波器失真测试仪 8Ω 假负载面板天线 SP MIC 连接器检查 12dB SINAD 或更高共通部分项目条件测量调整规格备注面板调谐模式 PC 测试模式测量装置单元端子单元部件方法 1 设置 1 BATT 端子电压 7 5V 2 SSG 标准调制宽带 MOD 1kHz DEV 3kHz 窄带 MOD 1kHz DEV 1 5kHz 2 逆时针音量 1 调整项目 VOL1 调整 1 调整项目逆时针音量面板调谐模式逆时针完全转动音量旋钮按键储存调整值 PC 测试模式逆时针完全转动音量旋钮按应用按钮储存调整值更换可变电阻器 R31 0685 05 时需调整此项 3 顺时针音量 1 调整项目 VOL2 调整 1 调整项目顺时针音量面板调谐模式顺时针完全转动音量旋钮按键储...

Page 66: ...l adjustment Manual Adjustment Press Apply All button to store the adjustment value after all adjustment points have been adjusted Note The assist adjust ment value must be between from 340 to 3550 5 Transmit Assist This adjustment can be performed only in PC test mode 1 Adj item Transmit Assist 2 Adj item Low Low Center High High PTT Press Transmit button Press Apply All button to store the adjus...

Page 67: ...锁定电压 2 5V 0 1V 自动调整执行自动调整后验证 VCO 锁定电压是否处于手动调整指定的电压范围内手动调整在所有调整点调整之后按全部应用按钮储存调整值注意辅助调整值必须介于 340 至 3550 之间 5 发射辅助仅可在 PC 测试模式中进行调整 1 调整项目发射辅助 2 调整项目低低中高高 PTT 按发射按钮按全部应用按钮储存调整值 6 频率仅可在 PC 测试模式中进行调整 1 调整项目频率 SSG 输出 20dBm 22 4mV CW 无调制注意在下述条件下进行频率调整温度范围 20 至 26 KPG 141D C 的频率调整画面和手持对讲机的 LCD 上显示频率使用 0 003ppm 的 SSG 精度如有必要请使用标准振荡器 SSG 面板天线 PC 测试模式按自动调整的 ...

Page 68: ... transmitting to change 20Hz and 2kHz 20Hz not appears 2kHz appears 1 Adj item Balance Deviation meter LPF 3kHz HPF OFF 2 Adj item Low Low Center High High 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 Panel ANT Panel Panel tuning mode Selector PC test mode The Deviation o...

Page 69: ... 调整项目 BAL 调整频偏仪 LPF 3kHz HPF 关闭 2 调整项目 B AL__ B A L__ B A L __ B A L _ _ B A L _ _ 调整 PTT 开启按键储存调整值侧面 1 键发射时按此键更改 20Hz 和 2kHz 20Hz 不出现 2kHz 出现 1 调整项目平衡频偏仪 LPF 3kHz HPF 关闭 2 调整项目低低中高高 PTT 按发射按钮按全部应用按钮储存调整值 2kHz 正弦波复选框发射时复选此项改为 2kHz 频偏仪示波器面板天线面板面板调谐模式选择器 PC 测试模式 20Hz 频率的频偏固定更改 2kHz 调整值变成指定范围内 20Hz 的相同频偏 2kHz 音调频偏在 20Hz 音调频偏的 1 0 以内 PC 测试模式调整所有调整点之后按全部应用按钮储存调整...

Page 70: ...150Hz PC test mode Press Apply All button to store the adjustment value after all adjustment points have been adjusted Wide 1 Adj item ADEV Adjust 2 Adj item A DEV_ A D EV_ A D E V_ A D E V _ A D E V _ Adjust PTT ON Press key to store the adjust ment value 1 Adj item Maximum Deviation Analog Wide 2 Adj item Low Low Center High High PTT Press Transmit button Press Apply All button to store the adju...

Page 71: ...F 15kHz HPF 关闭 2 调整项目低低中高高 PTT 按发射按钮按全部应用按钮储存调整值 2100Hz 写入以下值 513 基准值 2050 2150Hz PC 测试模式调整所有调整点之后按全部应用按钮储存调整值宽带 1 调整项目 ADEV 调整 2 调整项目 A DEV_ A D EV_ A D E V_ A D E V _ A D E V _ 调整 PTT 开启按键储存调整值 1 调整项目最大频偏模拟宽带 2 调整项目低低中高高 PTT 按发射按钮按全部应用按钮储存调整值 4200Hz 写入以下值 513 基准值 4150 4250Hz PC 测试模式调整所有调整点之后按全部应用按钮储存调整值 3 请参阅第 77 和 79 页的各信令和模式所需的频偏调整项目表对于最大频偏模拟所有模拟信令...

Page 72: ...ion meter LPF 3kHz HPF OFF PTT ON Press key to store the adjust ment value 1 Adj item LTR Deviation Analog 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 75kHz 0 05kHz Wide 1 Adj item LTR Adjust PTT ON Press key to store the adjust ment value 1 Adj item LTR Deviation Analog Wide...

Page 73: ...按钮储存调整值 0 75kHz 0 05kHz 8 LTR 频偏 4 窄带 1 调整项目 LTR 调整频偏仪 LPF 3kHz HPF 关闭 PTT 开启按键储存调整值 1 调整项目 LTR 频偏模拟窄带频偏仪 LPF 3kHz HPF 关闭 PTT 按发射按钮按应用按钮储存调整值写入以下值 465 基准值 0 75kHz 0 05kHz 宽带 1 调整项目 LTR 调整 PTT 开启按键储存调整值 1 调整项目 LTR 频偏模拟宽带 PTT 按发射按钮按应用按钮储存调整值 1 00kHz 0 05kHz 9 DTMF 频偏 4 窄带 1 调整项目 DTMF 调整频偏仪 LPF 15kHz HPF 关闭 PTT 开启按键储存调整值 1 调整项目 DTMF 频偏模拟窄带频偏仪 LPF 15kHz HPF 关闭 PTT 按发...

Page 74: ...Hz 11 MSK Deviation 4 Narrow 1 Adj item MSK Adjust Deviation meter LPF 15kHz HPF OFF PTT ON Press key to store the adjust ment value 1 Adj item MSK Deviation Analog 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 50kHz 0 05kHz Wide 1 Adj item MSK Adjust PTT ON Press key to store...

Page 75: ...偏模拟宽带 PTT 按发射按钮按应用按钮储存调整值 3 00kHz 0 05kHz 11 MSK 频偏 4 窄带 1 调整项目 MSK 调整频偏仪 LPF 15kHz HPF 关闭 PTT 开启按键储存调整值 1 调整项目 MSK 频偏模拟窄带频偏仪 LPF 15kHz HPF 关闭 PTT 按发射按钮按应用按钮储存调整值写入以下值 513 基准值 1 50kHz 0 05kHz 宽带 1 调整项目 MSK 调整 PTT 开启按键储存调整值 1 调整项目 MSK 频偏模拟宽带 PTT 按发射按钮按应用按钮储存调整值 3 00kHz 0 05kHz 12 CW ID 频偏 4 甚窄带 1 调整项目 CWID 调整频偏仪 LPF 15kHz HPF 关闭 PTT 开启按键储存调整值 1 调整项目 CW ID 频偏 N...

Page 76: ...T Wide this signaling is composed of three elements Balance Maximum Deviation Analog Wide and QT Deviation Wide Please adjust Balance and Maximum Deviation Analog Wide before adjusting QT Deviation Wide Mode Signaling Necessary adjustment and order Wide Narrow Very Narrow Analog Audio Step 1 Balance adjust Step 2 Maximum Deviation Analog Wide Step 1 Balance adjust Step 2 Maximum Deviation Analog N...

Page 77: ...目请按照以下示例阅读下表对于信令 QT 宽带该信令包含三个组成部分平衡最大频偏模拟宽带和 QT 频偏宽带请在调整 QT 频偏宽带之前调整平衡和最大频偏模拟宽带模式信令所需的调整和顺序宽带窄带甚窄带模拟音频步骤 1 平衡调整步骤 2 最大频偏模拟宽带步骤 1 平衡调整步骤 2 最大频偏模拟窄带 QT 步骤 1 平衡调整步骤 2 最大频偏模拟宽带步骤 3 QT 频偏宽带步骤 1 平衡调整步骤 2 最大频偏模拟窄带步骤 3 QT 频偏窄带 DQT 步骤 1 平衡调整步骤 2 最大频偏模拟宽带步骤 3 DQT 频偏宽带步骤 1 平衡调整步骤 2 最大频偏模拟窄带步骤 3 DQT 频偏窄带 LTR 步骤 1 平衡调整步骤 2 最大频偏模拟宽带步骤 3 LTR 频偏宽带步骤 1 平...

Page 78: ...rrow Beat Shift Uncheck Compander Uncheck SSG output 47dBm 1mV MOD 1kHz 1 5kHz SSG DVM AF VTVM Dummy load Panel ANT SP MIC connector Panel Volume knob Turn the Volume Knob to obtain 0 63V AF output 0 63V 0 1V 2 Sensitivity 1 This adjustment can be performed only in PC test mode 1 Adj item Sensitivity 1 2 Adj item Low Low Center High High Press Apply All button to store the adjustment value SSG AF ...

Page 79: ... 1 测试信道信道 1 测试信令模式模拟信令 1 宽带窄带窄带拍频偏移不选压缩扩展器不选 SSG 输出 47dBm 1mV MOD 1kHz 1 5kHz SSG DVM AF VTVM 假负载面板天线 SP MIC 连接器面板音量旋钮转动音量旋钮以获得 0 63V AF 输出 0 63V 0 1V 2 灵敏度 1 仅可在 PC 测试模式中进行调整 1 调整项目灵敏度 1 2 调整项目低低中高高按全部应用按钮储存调整值 SSG AF VTVM 假负载示波器面板天线 SP MIC 连接器 PC 测试模式写入以下值低 15 固定低 35 预设中 80 预设高 135 预设高 180 预设注意在调整灵敏度 1 之前必须写入灵敏度 2 的预设值 3 调整项目低中高高按全部应用按钮储存调整值减小...

Page 80: ...level 3dB MOD 1kHz 1 5kHz 1 Adj item RSSI Reference NXDN Very Narrow 2 Adj item Low Low Center High High SSG output 12dB SINAD level 3dB MOD 1kHz 1 5kHz Adjust with the ana log signal 5 Because RSSI Reference NXDN Narrow is adjusted by adjusting RSSI Reference Analog Narrow it is not necessary to adjust RSSI Reference NXDN Narrow 5 Open Squelch 6 Squelch level 5 adjust Analog Narrow 1 Adj item SQL...

Page 81: ... 调整项目 R RSS_ R R SS_ R R S S_ R R S S _ R R S S _ SSG 输出 12dB SINAD 电平 3dB MOD 1kHz 1 5kHz 1 调整项目 RSSI 参考 NXDN 甚窄带 2 调整项目低低中高高 SSG 输出 12dB SINAD 电平 3dB MOD 1kHz 1 5kHz 用模拟信号进行调整 5 由于 RSSI 参考 NXDN 窄带通过调整 RSSI 参考模拟窄带进行调整因此不需要调整 RSSI 参考 NXDN 窄带 5 静噪浅 6 静噪电平 5 调整模拟窄带 1 调整项目 SQL 调整 2 调整项目 S QL__ S Q L__ S Q L __ S Q L _ S Q L _ _ SSG 输出 12dB SINAD 电平 1dB MOD 1kHz 1 5kHz 1 调整项目静噪浅模拟窄带 ...

Page 82: ...w it is not necessary to adjust Open Squelch NXDN Narrow 6 Low RSSI at 118dBm 7 Analog Narrow 1 Adj item LRSS Adjust 2 Adj item L RSS_ L R SS_ L R S S_ L R S S _ L R S S _ SSG output 118dBm 0 28µV MOD 1kHz 1 5kHz 1 Adj item Low RSSI Analog Narrow 2 Adj item Low Low Center High High SSG output 118dBm 0 28µV MOD 1kHz 1 5kHz SSG Panel ANT SP MIC connector Panel tuning mode After input signal from SSG...

Page 83: ... 窄带 1 调整项目 LRSS 调整 2 调整项目 L RSS_ L R SS_ L R S S_ L R S S _ L R S S _ SSG 输出 118dBm 0 28µV MOD 1kHz 1 5kHz 1 调整项目低 RSSI 模拟窄带 2 调整项目低低中高高 SSG 输出 118dBm 0 28µV MOD 1kHz 1 5kHz SSG 面板天线 SP MIC 连接器面板调谐模式从 SSG 输入信号之后按键储存调整值 PC 测试模式从 SSG 输入信号之后按应用按钮储存调整值模拟宽带 1 调整项目 LRSS 调整 2 调整项目 L RSS_ L R SS_ L R S S_ L R S S _ L R S S _ SSG 输出 118dBm 0 28µV MOD 1kHz 3kHz 1 调整项目低 RSSI 模拟宽带 2 调整项目...

Page 84: ... _ SSG output 80dBm 22 4µV MOD 1kHz 1 5kHz 1 Adj item High RSSI NXDN Very Narrow 2 Adj item Low Low Center High High SSG output 80dBm 22 4µV MOD 1kHz 1 5kHz Adjust with the ana log signal 8 Because RSSI at 80dBm adjust of NXDN Narrow is adjusted by adjusting RSSI at 80dBm adjust Analog Narrow it is not necessary to adjust RSSI at 80dBm adjust of NXDN Narrow 8 Tight Squelch Analog Narrow 1 Adj item...

Page 85: ...SS 调整 2 调整项 H RSS_ H R SS_ H R S S_ H R S S _ H R S S _ SSG 输出 80dBm 22 4µV MOD 1kHz 1 5kHz 1 调整项目高 RSSI NXDN 甚窄带 2 调整项目低低中高高 SSG 输出 80dBm 22 4µV MOD 1kHz 1 5kHz 用模拟信号进行调整 8 由于 80dBm 高 RSSI NXDN 窄带通过调整 80dBm 高 RSSI 模拟窄带进行调整因此不需要调整 80dBm 高 RSSI NXDN 窄带 8 静噪深模拟窄带 1 调整项目 SQLT 调整 2 调整项目 S QLT_ S Q LT_ S Q L T_ S Q L T _ S Q L T _ SSG 输出 12dB SINAD 电平 5dB MOD 1kHz 1 5kHz 1 调整项目静噪深模拟窄带 ...

Page 86: ...C93 C1 C4 CP10 CP11 D15 CP12 D16 CP13 CP14 L2 L3 IC8 1 16 17 32 33 48 49 64 Q1 3 4 1 5 Q6 Q8 R1 R3 R5 R6 R7 S1 AUX S2 PTT S3 Side1 R65 R66 R72 R73 R75 CP2 CP3 CP4 CP5 CP6 C85 C94 D1 MIC1 D19 D18 L1 Q7 R67 R69 R70 R71 R74 R76 R83 CP7 CP8 CP9 DISPLAY UNIT X54 3760 XX 10 C 12 C2 Component side view J79 0312 09 NX 220 PC BOARD 印刷电路板 ...

Page 87: ...D7 D8 D9 D10 D11 D12 D13 D14 S4 Side2 R61 R62 R63 R64 DISPLAY UNIT X54 3760 XX 10 C 12 C2 Component side view J79 0312 09 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Ref No Address IC8 7F Q1 8C Q6 9D Q7 9D Q8 8D D1 8B D7 7Q D8 5Q D9 7P Ref No Address D10 5P D11 7O D12 5O D13 8N D14 4N D15 5E D16 5E D18 5H D19 7H PC BOARD 印刷电路板 NX 220 ...

Page 88: ...ND LCDCS EVCS DISP_VER SDO0 SDI0 SCK0 33M 1 24 C22 C23 C25 C26 C28 C29 C31 C33 C34 C36 C40 C42 C44 C2 C3 C5 D2 D3 TH1 R10 R11 R14 R17 R18 Q2 Q3 Q4 R2 R4 R39 R8 R84 R86 R88 C11 C13 DISPLAY UNIT X54 3760 XX 10 C 12 C2 Foil side view J79 0312 09 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Ref No Address IC1 4I IC2 6L IC4 8N IC6 7M Q2 4I Q3 4H Ref No Address Q4 4J Q5 4K D2 5G D3 4J D4 4K ...

Page 89: ...81 1 6 7 12 13 18 19 24 CN6 J79 0312 09 C 3 J79 0312 09 B 3 J79 0312 09 A 3 GND 1 6 PTT S1 S2 EMG GND SB2 MICI GND SPAF TV1 TV2 33A 24 C30 C37 C33 C34 C35 C36 C39 C40 C42 C43 C44 C45 C47 C58 C67 C68 C70 C74 C2 C3 D3 D4 IC2 4 5 1 8 IC4 R10 R22 Q4 R28 Q5 R29 R33 R34 R2 R4 R39 R8 R40 R44 R45 R50 R79 R84 CP1 C91 DISPLAY UNIT X54 3760 XX 10 C 12 C2 Foil side view J79 0312 09 PC BOARD 印刷电路板 NX 220 ...

Page 90: ... RXAF_2 GND LCDCS EVCS DISP_VER SDO0 SDI0 SCK0 33M R462 R658 R464 C429 R659 C620 R468 C622 C624 R662 C626 C627 C628 C434 C629 R665 R668 C630 C631 C638 C639 C640 C641 C642 C643 C450 C644 C655 Q503 3 1 4 6 C669 C671 L508 C675 IC402 3 4 1 5 C677 C484 C679 C486 C680 C681 C682 C683 C491 C686 IC609 IC611 IC612 C695 C698 CP601 CP604 CP605 CP608 R506 R520 C700 C510 C514 C517 C518 TP601 TP604 TP605 C521 TP...

Page 91: ...5 1 6 10 CP501 SPI TXD OPTDET 50V PTT RXD MICI MICO AE R409 R420 R422 R653 C618 SB2 1 MICI GND SPAF TV1 TV2 33A C429 C620 C622 C624 Q503 3 1 4 6 3 4 Q403 Q105 Q107 Q108 Q109 Q501 Q502 F2 C664 C665 GND PTT S1 S2 EMG GND Q512 3 4 1 1 6 6 L504 Q904 L120 Q907 3 1 4 6 L902 L903 J1 EXT MIC R511 R903 R904 SB1 1 11 R144 R146 R917 R918 SP SP MIC MIC R149 TXD0 R152 R153 R154 R155 R156 R157 R158 R159 C507 R1...

Page 92: ...9 R120 R133 C104 C186 R143 C111 C112 C114 C115 C116 C118 C139 C121 C127 C143 C145 C147 C148 C151 C153 C154 C156 C157 C158 D102 D103 D106 C168 C169 C170 L212 L901 R122 R123 R124 R910 R912 C141 C142 C916 C917 C918 C921 D901 R430 R443 R446 R448 R460 R461 C437 C448 C456 C460 C462 C464 D404 C469 C481 C482 Q406 3 1 4 6 L405 L416 L418 L424 R225 R457 C229 C232 C236 C241 R101 R103 C101 C102 L211 Ref No Add...

Page 93: ...L421 L423 R203 R205 R207 R424 R429 R430 R431 R435 R442 R444 R445 R447 R451 R455 R456 R459 R460 R461 C438 C441 C446 C447 C448 C449 C453 C456 C459 C460 D403 C463 D405 D407 D409 C470 D410 D415 D416 D417 C477 C478 C480 C481 C482 Q404 L404 L408 L409 L410 L411 L415 L416 L419 L422 L424 R212 R223 R225 C208 C209 C212 C216 C218 C225 R457 C227 C229 C231 C232 C233 C236 C241 L201 L202 L206 L208 L211 R201 R204 ...

Page 94: ...Vrms W 84 5mVrms N IC4 DAC C903 68 0mVrms 43 9mVrms VCO IC6 IC610 ASIC To make measurements in the AF section connect the AC level meter ANT input 53dB 1kHz FM 3kHz DEV Wide In the RF section use a 1000pF coupling capacitor The display shows the SSG input value required to obtain 12dB SINAD without local level AG is set to the MIC input becomes 3kHz 1 5kHz DEV at 1kHz MOD Wide Narrow To make measu...

Page 95: ...4 5 6 GND CN6 GND PTT S1 S2 EMG GND CN4 1 MIC 2 MIC 3 SP 4 SP CN1 1 B 2 SB1 3 NC 4 33A 5 VOL 6 VOL_GND 7 ENC3 8 GND 9 ENC4 10 ENC2 11 ENC1 J1 PTT RXD MICI MICO OPTDET 50V J2 AE TXD SPI SPO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 S BATTERY 7 5V INT SP INT MIC EXT SP EXT MIC TX RX PCB X57 804 DISPLAY PCB X54 376 A 3 PTT SECTION X54 376 B ...

Page 96: ... N 1 5 3 2 D15 CP5 1kx4 LCD R83 0 C93 0 01u C94 0 01u R65 LCD BACKLIGHT KEY BACKLIGHT HN2S03FE 1SS388F B30 2210 05 2SC5383 T111 2SA1362 F GR 2SC5383 T111 B30 2337 05 CP2 RK74HB1J102J CP3 CP4 RK74HB1J102J CP5 RK74HB1J102J CP6 CP7 CP8 RK74HB1J102J CP9 CP10 RK74HB1J101J CP11 CP12 CP13 CP14 D10 D11 D13 D14 HN2S03FE D15 D18 B30 2210 05 D19 B30 2210 05 IC8 LC75857W E Q6 2SA1362 F GR Q7 2SC5383 T111 Q8 2...

Page 97: ...5W51FK F ASQ BPF 1 oUTA 2 IN A 3 IN A 4 VSS 5 IN B 6 IN B 7 oUTB 8 VDD R17 100k R19 220k R9 33k C22 0 22u R4 82k R2 10k R15 3 3k C25 C 5 0 1u C10 100p C20 1000p R14 330k D2 KDR731 R8 15k C2 680p KTC4075E Y GR Q3 R11 330k R13 470 C3 27p C6 1000p R20 220k C8 S1 S70 0516 05 C11 680p SSM3K15TE F Q2 R12 330k C30 1u R21 56k C32 1200p R22 56k C38 180p R26 68k R16 47 R10 0 IC2 TC75W51FK F 1 oUTA 2 IN A 3 ...

Page 98: ...4 VoUT 3 CD C663 1u C653 0 01u C652 1u IC605 A1 A0 A 2 A 1 A 3 CE2 A 4 A 3 A 5 A 6 A 6 A 8 B 1 D Q 4 B 2 A 2 B 3 W E B4 A4 B5 A7 B6 DQ0 C1 DQ5 C3 NC1 C4 A5 C6 DQ1 G 2 oE G 3 CE E 1 VCC2 E 6 V S S 2 F 1 D Q 6 F 3 NC2 F 4 NC3 F 6 D Q 2 G 1 D Q 7 H3 A11 H4 A12 G4 A16 G5 A15 G6 DQ3 H1 A9 H2 A10 D1 VSS1 D6 VCC1 H5 A13 H6 A14 R618 470k C655 1000p CN604 L609 L607 L617 R619 10 R620 10 C607 0 01u R657 10k ...

Page 99: ...SS_9 E4 VSS_10 E5 VSS_11 E13 VSS_12 F4 VSS_13 F11 VSS_14 K4 VSS_15 K5 VSS_16 M3 VSS_17 M5 VSS_18 M13 VSS_19 N1 VSS_20 N2 VSS_21 N9 VSS_22 N10 VSS_23 N14 VSS_24 P1 VSS_25 P2 VSS_26 G12 USBPLLVSS E12 ADVSS B14 AVSS_1 C13 AVSS_2 A4 DVDD_1 A8 DVDD_2 D9 DVDD_3 E3 DVDD_4 E6 DVDD_5 F13 DVDD_6 H2 DVDD_7 H10 DVDD_8 J2 DVDD_9 K10 DVDD_10 M12 DVDD_11 N6 DVDD_12 N13 DVDD_13 P8 DVDD_14 P13 DVDD_15 P14 DVDD_16 ...

Page 100: ...E3 IFADCN D1 IFVR R3 AGCDAC A8 MCCK0 D11 MCI0 B9 MCo0 B10 MCCS0 A7 MCCK1 B8 MCI1 C9 MCo1 B7 MCCX1 D9 MCCR1 C8 MCCK2 D10 MCCS2 C7 MCo2 D7 VoINT D8 VFRM N1 RSSIT M3 PSRPLL M2 PSRIF L4 PSRRF P1 RXSLT N2 RXRVE N3 PSTPLL R1 PSTIF M4 PSTPA P2 TMoD P3 TRAMP R2 TXRVE R6 FSDET R5 SYMTIM C12 SIMDT D12 SIMCK C11 SIMRST T9 GPIo0 V9 GPIo1 U9 GPIo2 V10 GPIo3 T7 GPIo4 R7 GPIo5 R8 GPIo6 U8 GPIo7 A6 GPIo8 B6 GPIo9...

Page 101: ...2 VSS 3 CE 4 V I N 5 VoUT C534 1000p D501 1SR154 400 C506 22p F1 C528 1u C522 0 2 2 u R508 1k IC505 XC6209B332M G AVR 33C 1 VIN 2 VSS 3 CE 4 NC 5 VoUT IC503 XC9235A15CM G DC DC 15M 1 VIN 2 VSS 3 CE MoDE 4 VoUT 5 LX C503 1000p R501 270k R505 180k C513 6800p C517 1u C509 1u C515 1u R646 0 R647 0 C699 0 01u IC611 TC7SH08FU F 1 I NB 2 I NA 3 G ND 4 o U T Y 5 VCC CN502 B I C502 NJM2878F4 33 1 CoNTRoL 2...

Page 102: ... 6 7 8 VDD C410 100p R420 47k D401 DA221 IC402 XC221A1200MRG 1 VoUT 2 VDD 3 IN 4 IN 5 VSS R410 120k R426 47k C429 0 01u R423 470k C439 R409 1k C432 0 1u R427 68k C402 2 2u R404 47 R502 2 7k C512 1000p Q511 RT1N441U T111 C507 470p C511 1u 2SA1955A F Q505 D509 1SS388F D512 1SS416 C545 1u R519 10k R506 100 IC509 TC7W53FK F 1 CoMMoN 2 INH 3 VEE 4 GND 5 A 6 CH1 7 CH0 8 VCC C518 1u Q510 RT1N141U T111 D5...

Page 103: ... 7k C443 1u R443 330 L405 1 8u L423 39n R454 560 C466 0 5p L404 3 3u SSM3J05FU F Q407 R460 2 2k C462 0 01u C468 12p R445 100k D405 1SV325F R440 100k R452 100 C472 470p D407 1SV325F R429 0 C460 4 7u 2SC5108 Y F Q405 D402 1SV325F R424 0 R446 22 R436 39k L408 220n 2SC5636 Q408 R456 10k C464 470p R435 10k C437 100p C453 0 75p D410 1SV278F C465 180p R430 0 L412 220n L419 3 3u C450 10u MCH3914 7 H Q401 ...

Page 104: ...10 1000p R149 1k R146 0 2SC5383 T111 Q105 R110 2 2k C112 0 1u C175 0 033u C106 1000p C102 1000p C101 470p C111 470p L121 100n R112 560 C173 470p R144 27k R101 4 7k C218 7p C216 1000p L208 68n L207 220n C354 0 01u R338 100 R352 10k R349 1k C346 47p C359 47p R344 6 8k CN301 IC304 TC75W51FK F 1 oUTA 2 IN A 3 IN A 4 VSS 5 IN B 6 IN B 7 oUTB 8 VDD R351 100k R332 47k R341 100k R141 470k R143 1k R142 470...

Page 105: ...7 1000p C260 8p R226 220 R240 0 C229 27p C224 4p L212 68n 3SK294 FP Q202 D204 1SV305F C246 33p R239 0 R220 1M R231 82k D202 1SV305F C262 12p C242 0 1u C233 0 01u C249 18p C240 1000p C225 47p R212 1M C236 1u C231 1000p R217 100k D203 1SV305F R234 100k D206 1SV305F R232 150k C228 R233 100k R235 0 R216 56k C255 1000p C223 1000p R224 10k L213 68n C258 18p R227 220k R228 100k R237 100k C237 0 1u R225 6...

Page 106: ...T111 Q903 RT1N441U T111 IC901 TA7368FG B Q902 2SA1362 F GR Q904 Q905 2SK3577 A DC SW DC SW DC SW 50V Q907 UPA672T A Q906 RT1N141U T111 B SB1 33A CN2 24 pin Connector BINT PSW S DET OPTDET PLD BATT TEMP THP CV CN3 PTTRXD KEYI1 KEYI0 EMG PTT Side1 Side2 AUX ASIC IC610 T_R DSW APCSW PDSW ASSIST TXC RXC SAVE SBC DDCLK EXTMICSW RSSI IF_DET RESET 33M IC607 XC6119C29ANR IC304 2 2 TC75W51FK F PCK_DSP SCK1...

Page 107: ...CSW ASQAPC 50C IC404 2 2 TC75W51FK F 50T Q107 SSM3K15TE F Q106 RT1N441U T111 Q109 SSM3K15TE F 50T TUNE TUNE D204 D206 1SV305F 1st Local 185 95 223 95MHz TV2 TV1 IC201 1 2 TC75W51FK F IC201 2 2 TC75W51FK F D202 D203 1SV305F BPF BPF L207 L208 RF AMP Q202 3SK294 FP L212 L213 50R 33M 15M 33C 50V 33A 5VC D902 DAN222 IC502 NJM2878F4 33 IC501 NJM2878F4 33 AVR AVR AVR AVR AVR IC503 XC9235A15CM G IC505 XC6...

Page 108: ...0 05 LCD Backlight KEY Backlight TX BUSY LED Q6 2SA1362 F GR Q7 2SC5383 T111 D7 D14 B30 2337 05 Q8 2SC5383 T111 VREF 33A DAC IC4 R2A20178NP D1 B30 2278 05 Q1 UMG9N LEDR 3 8 LEDG 4 8 TV1 TV2 AMP DET Q3 KTC4075E Y GR D2 KDR731 Q2 SSM3K15TE F BW SW SQ_SW 2 8 LPF DAC DAC IC2 1 2 TC75W51FK F IC4 6 8 R2A20178NP IC4 5 8 R2A20178NP ASQ RXAF_2 SPAF VOX MICI MIC MOD VCO_MOD IC2 2 2 TC75W51FK F AMP AGC MOD A...

Page 109: ...on Battery Pack 锂离子电池 External View 外视图 KNB 57L Li ion Battery Pack 锂离子电池 External View 外视图 Specifications 规格 Voltage 电压 7 4V 3 7V x 2 Battery capacity 电池容量 typ 标准 1480mAh Specifications 规格 Voltage 电压 7 4V 3 7V x 2 Battery capacity 电池容量 typ 标准 2000mAh ...

Page 110: ...NB 55L C 305g C2 300g with KNB 57L C 330g C2 325g RECEIVER Sensitivity Digital 6 25kHz 3 BER 0 25µV Digital 12 5kHz 3 BER 0 32µV Analog 12 5kHz 12dB SINAD 0 32µV Analog 25kHz 12dB SINAD 0 28µV Adjacent Channel Selectivity Analog 25kHz 76dB 12 5kHz 68dB Intermodulation Analog 65dB Spurious Response Rejection Analog 75dB Audio Distortion Less than 3 Audio Output 500mW 8Ω TRANSMITTER RF Power Output ...

Page 111: ...NB 57L 电池时 56 110 5 40 1 mm 重量净重仅主机 C 210g C2 205g 带 KNB 55L 电池时 C 305g C2 300g 带 KNB 57L 电池时 C 330g C2 325g 接收接收灵敏度数字 6 25kHz 3 误码率 0 25µV 数字 12 5kHz 3 误码率 0 32µV 模拟 12 5kHz 12dB SINAD 0 32µV 模拟 25kHz 12dB SINAD 0 28µV 邻道选择性模拟 25kHz 76dB 12 5kHz 68dB 互调抑制模拟 65dB 杂散响应模拟 75dB 音频失真小于 3 音频输出功率 500mW 8Ω 时发射发射功率高低 5W 1W 调制限制模拟 5 0kHz 25kHz 2 5kHz 12 5kHz 杂散抑制 36dBm 1GHz 30dBm 1GHz 调频噪声 E...

Page 112: ...ord Herts 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...

Page 113: ... S5 S S9 S8 7 S7 4 S6 1 R65 R66 R72 R73 R75 CP2 CP3 CP4 CP5 CP6 C85 C94 D1 MIC1 D19 D18 L1 Q7 R67 R69 R70 R71 R74 R76 R83 CP7 CP8 CP9 D7 D8 D9 D10 D11 D12 D13 D14 S4 Side2 R61 R62 R63 R64 DISPLAY UNIT X54 3760 XX 10 C 12 C2 Component side view J79 0312 09 DISPLAY UNIT X54 3760 XX 10 C 12 C2 Component side view J79 0312 09 Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Ref No Address IC8 ...

Page 114: ...OD GND MOD 50C MIC VOX ASQAPC ASQ RXAF_2 GND LCDCS EVCS DISP_VER SDO0 SDI0 SCK0 33M 1 24 C22 C23 C25 C26 C28 C29 C30 C37 C31 C33 C34 C35 C36 C39 C40 C42 C43 C44 C45 C47 C58 C67 C68 C70 C74 C2 C3 C5 D2 D3 D4 TH1 IC2 4 5 1 8 IC4 R10 R11 R14 R17 R18 R22 Q2 Q3 Q4 R28 Q5 R29 R33 R34 R2 R4 R39 R8 R40 R44 R45 R50 R79 R84 R86 R88 CP1 C11 C13 C91 DISPLAY UNIT X54 3760 XX 10 C 12 C2 Foil side view J79 0312 ...

Page 115: ...D LCDCS EVCS DISP_VER SDO0 SDI0 SCK0 33M R462 R658 R464 C429 R659 C620 R468 C622 C624 R662 C626 C627 C628 C434 C629 R665 R668 C630 C631 C638 C639 C640 C641 C642 C643 C450 C644 C655 Q503 3 1 4 6 C669 C671 L508 C675 IC402 3 4 1 5 C677 C484 C679 C486 C680 C681 C682 C683 C491 C686 IC609 IC611 IC612 C695 C698 CP601 CP604 CP605 CP608 R506 R520 C700 C510 C514 C517 C518 TP601 TP604 TP605 C521 TP606 TP607 ...

Page 116: ...45 C147 C148 C151 C153 C154 C156 C157 C158 D102 D103 D106 C168 C169 C170 L212 L901 R122 R123 R124 R910 R912 C141 C142 C916 C917 C918 C921 D901 R424 R429 R430 R431 R435 R442 R443 R444 R445 R446 R447 R448 R451 R455 R456 R459 R460 R461 C437 C438 C441 C446 C447 C448 C449 C453 C456 C459 C460 C462 D403 C463 C464 D404 D405 D407 C469 D409 C470 D410 D415 D416 D417 C477 C478 C480 C481 C482 Q404 Q406 3 1 4 6...

Page 117: ... DVDD_12 N13 DVDD_13 P8 DVDD_14 P13 DVDD_15 P14 DVDD_16 A6 CVDD_1 B2 CVDD_2 B7 CVDD_3 B8 CVDD_4 C10 CVDD_5 G1 CVDD_6 J5 CVDD_7 J10 CVDD_8 J11 CVDD_9 L1 CVDD_10 L14 CVDD_11 M4 CVDD_12 M11 CVDD_13 N7 CVDD_14 N8 CVDD_15 G11 USBPLLVDD D2 USBVDD F10 ADVDD C14 AVDD A13 RDVDD_1 B13 RDVDD_2 A14 RDVDD_3 C12 RCVDD_4 D14 AIN 0 D13 AIN 1 D12 AIN 2 E11 AIN 3 C1 PU D4 DP D3 DN H13 SDA H14 SCL A12 RTCINX1 B12 RT...

Page 118: ... AMP BUFF AMP Q405 2SC5108 Y F IC402 XC221A1200MRG D401 DA221 TX 272 0 384 0MHz RX 371 9 447 9MHz TX 136 174MHz RX 185 95 223 95MHz Q401 Q402 MCH3914 7 H D410 1SV278F D402 D403 D404 D405 D407 D409 D411 D415 1SV325F D412 D413 HSC277 50T 50R LPF Q301 2SC5108 Y F D416 D417 1SV305F x3 50R CF2 450kHz CF1 450kHz IF IC IC302 TK10931VTL G IF AMP Q303 2SC4215 F Y MCF XF1 49 95MHz 1st MIXER Q201 3SK318 TX 1...

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Summary of Contents for NEXEDGE NX-220

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Kenwood NEXEDGE NX-220, Service Manual, Page: 86 / 118

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Summary of Contents for NEXEDGE NX-220

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