Kenwood NX-203 Service Manual Download Page 68

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J79-0131-39

R849

R848

CONTROL UNIT (X53-4590-14)
Component side view (J79-0131-39)

Ref. No. Address

IC1

IC415

10O

Ref. No. Address

10Q

D11

D12

D13

D14

D15

D16

D17

D18

D19

Ref. No. Address

D20

D21

D22

D23

NX-203

PC BOARD

Summary of Contents for NX-203

Page 1: ...NUAL VHF DIGITAL TRANSCEIVER NX 203 This product uses Lead Free solder This product complies with the RoHS directive for the European market COPYRIGHT 2016 JVC KENWOOD Corporation No RQ076 2016 1 B5B 7214 00 MIC ...

Page 2: ...wnership of copyrights for firmware embedded in KENWOOD product memories are reserved for JVC KENWOOD Corporation Any modifying reverse engineering copy reproducing or disclosing on an Internet website of the firmware is strictly prohibited without prior written consent of JVC KENWOOD Corporation Further more any reselling assigning or transferring of the firmware is also strictly prohibited witho...

Page 3: ...el test mode Firmware version information Panel tuning mode Data programming mode PC test mode PC tuning mode PC mode Clone mode Firmware programming mode Mode Function User mode For normal use Panel test mode Used by the dealer to check the fundamen tal characteristics Panel tuning mode Used by the dealer to tune the transceiver PC mode Used for communication between the trans ceiver and PC Data ...

Page 4: ...n the computer must match the Model Name when it is written into the flash memory 5 3 KPG 36A description PC programming interface cable Option The KPG 36A is required to interface the transceiver to the computer It has a circuit in its D sub connector KPG 36A 9 pin case that converts the RS 232C logic level to the TTL level The KPG 36A connects the universal connector of the transceiver to the RS...

Page 5: ...press the Side1 key while PROGRAM 115200 is displayed the checksum is calculated and a result is displayed If you press the Side1 key again while the checksum is displayed PROGRAM 115200 is redis played Note Normally write in the high speed mode 7 Clone Mode Programming data can be transferred from one transceiv er to another by connecting them via their external universal connectors The operation...

Page 6: ... is pressed while the source dis plays END the source displays CLONE MODE Carry out the operation in step 4 to 6 Note Cannot be cloned if the password overwrite password is programmed to the target Model Name must be same to clone the transceiver REALIGNMENT Cloning cable E30 3325 05 M IC M IC Fig 2 8 Firmware Version Information Press and hold the Side1 key while turning the trans ceiver power ON...

Page 7: ... two screws removed in step 1 DISASSEMBLY FOR REPAIR 1 Precautions for Waterproof Do not remove the black sheet from the reverse side of the transceiver refer to the illustration right Removal of this sheet decreases the waterproof efficiency of the transceiver and may cause malfunctions if water seeps into the transceiver The orange packing material on the reverse side of the transceiver is impor...

Page 8: ... 2 Pull the TOP packing to the right to remove the packing that is fit into the right groove of the chassis w 3 Turn back the TOP packing as shown in the figure e 4 Remove the TOP packing r 3 Precautions for Reassembly Mounting the chassis onto the case 1 Place the key top on the chassis Then fit the chassis tightly into the groove of the key top q Note Confirm that the entire groove of the key to...

Page 9: ...s using a pair of tweezers q 2 Fit the other side of the relay hardware to the rib of the chassis w Reapply encapsulant and protective sheet on theTX RX unit as needed Before repair of this radio note that there are three areas on the TX RX unit with encapsulant special polymer con taining silyl group or a silicone coating for mandatory continued Safety Protection Around the protection Zener diode...

Page 10: ...LCD Also used for fixing the Illumination Guide LCD on the Control Unit Cord ASSY 50 pin FPC X42 3510 10 Cushion 50 pin FPC G13 2293 04 Speaker T07 0755 25 Rubber Cushion SP G11 4272 14 Sheet SP G11 4458 14 Used for stabilizing the waterproof performance a hole on the Sheet SP shows the upper side 6 key FPC side Switch Unit 6 key FPC X41 3840 10 Adhesive Sheet 6 key FPC J99 0745 04 Used for fixing...

Page 11: ...nput volt age to the variable capacitor is regulated by the voltage out put from the D A converter IC703 The signal is amplified by an RF amplifier Q204 and passed through the bandpass filter L210 L215 The resulting signal is applied to the first mixer Q203 where it is mixed with the first local oscillator signal output from the frequency synthesizer to produce the first IF 58 05MHz 3 2 IF Circuit...

Page 12: ...ystem 4 1 Audio Band Circuit The signal from the internal microphone goes through the mute switch Q5 When the SP MIC is not attached the microphone switching terminal MSW on the universal con nector becomes High and the mute switch Q5 is turned on When the SP MIC is attached MSW is connected to GND inside the SP MIC For this reason Q5 is turned off the internal microphone is muted and only the inp...

Page 13: ...requency of 19 2MHz for the PLL frequency synthesizer This reference frequency is applied to pin 9 of the PLL IC IC3 and is con nected to the IF circuit as a 2nd local signal through the Tripler Q201 The VCTCXO oscillation frequency is deter mined by the DC voltage of the VC terminal The VC voltage is fixed to 1 65V by R59 and R60 and supplied to the VC terminal through IC5 The modulation signal i...

Page 14: ... 388 1 to 464 1MHz 5 5 Local Switch D100 D201 The connection destination of the signal output from the buffer amplifier Q100 is changed with the diode switch D100 that is controlled by the transmission power supply 50T and the diode switch D201 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 co...

Page 15: ...operates at 1 5V The DSP carries out the following processes 4 Level FSK processing Analog FM pre emphasis de emphasis Vocoder processing between audio codec and modula tion demodulation CAI processing such as error correction encoding QT DQT encoding decoding LTR encoding decoding DTMF encoding decoding MSK encoding decoding 2 tone encoding decoding Compressor expander processing Voice scrambler ...

Page 16: ...uperposed on a modulation signal and output from IC108 The modula tion balance of the QT DQT LTR signal is adjusted by the D A converter IC703 and the resulting signal is routed to the modulation input of the VCO and VCXO X1 Each deviation of the TX QT DQT LTR DTMF 2 tone and MSK tone is ad justed by changing the output level of IC108 and the result ing signal is routed to the VCO and VCXO The RX ...

Page 17: ...backlight switch Ref No Part Name Description Q3 FET LCD backlight switch Q4 FET MIC mute control Q5 FET MIC mute switch Q401 402 FET Level converter Q403 Transistor SB2 switch Q404 FET SB2 switch control Q405 FET AF AMP switch Q406 407 Transistor Voltage regulator AF AMP Q408 409 Transistor DC switch Q410 FET DC switch Q411 FET Level converter Q412 FET DC switch control Q413 415 Transistor DC swi...

Page 18: ...ET APC switch Q110 Transistor APC switch Q201 Transistor 2nd Local tripler Q202 Transistor IF AMP Ref No Part Name Description Q203 FET Mixer Q204 FET RF AMP Q401 FET 50R switch Q402 FET 50IF switch Q403 FET SB3 switch Q404 FET DC DC converter switch Q405 Transistor 50T switch Q406 Transistor TX RX LED switch D2 3 Diode fin RF switch D4 Diode Bypass diode D5 6 Diode fin RF switch D7 Diode Ripple f...

Page 19: ...C23 CK73HBB1H102K CHIP C 1000PF K C24 CC73HCH1H470J CHIP C 47PF J C25 CK73HBB1H102K CHIP C 1000PF K C26 CK73HBB1H102K CHIP C 1000PF K C27 CK73HBB1H102K CHIP C 1000PF K C28 CC73HCH1H101J CHIP C 100PF J C29 CC73HCH1H101J CHIP C 100PF J C30 CC73HCH1H101J CHIP C 100PF J C31 CC73HCH1H101J CHIP C 100PF J CONTROL UNIT X53 4590 14 NX 203 1 1A A02 4002 23 PLASTIC CABINET 6KEYS 3 3A A10 4111 21 CHASSIS 4 2B...

Page 20: ... K C156 CK73HBB1H102K CHIP C 1000PF K C157 CK73HBB1H102K CHIP C 1000PF K C158 CK73HBB1E103K CHIP C 0 010UF K C159 CK73HBB1A104K CHIP C 0 10UF K C160 CK73HB1E682K CHIP C 6800PF K C161 CK73HB1E682K CHIP C 6800PF K C401 CK73HBB1A104K CHIP C 0 10UF K C402 CK73HBB1A104K CHIP C 0 10UF K C403 CS77MP1C2R2M CHIP TNTL 2 2UF 16WV C404 CS77MP1C2R2M CHIP TNTL 2 2UF 16WV C405 CS77MP1C2R2M CHIP TNTL 2 2UF 16WV C...

Page 21: ... C 0 10UF K C757 CK73GXR0J475K CHIP C 4 7UF K C758 CK73GXR0J475K CHIP C 4 7UF K C759 CK73HBB1E103K CHIP C 0 010UF K C760 CK73HBB1E103K CHIP C 0 010UF K C761 CC73HCH1H100D CHIP C 10PF D C762 CK73HBB1A104K CHIP C 0 10UF K C763 CK73HBB1E103K CHIP C 0 010UF K C764 CK73HBB1H102K CHIP C 1000PF K C765 CK73HBB1A104K CHIP C 0 10UF K C766 CK73HBB1A104K CHIP C 0 10UF K C767 CK73HBB1A104K CHIP C 0 10UF K C768...

Page 22: ...IC IC702 TC75W51FK F MOS IC IC703 M62364FP F MOS IC IC704 TC75S51FE F MOS IC IC705 TC75W51FK F MOS IC IC706 TC75S51FE F MOS IC IC707 TC7W53FKF MOS IC IC708 XC6209B502P G MOS IC IC709 TC7W53FKF MOS IC IC710 TC75W51FK F MOS IC IC711 TC75W51FK F MOS IC IC712 TC7S66FUF MOS IC IC713 TC75W51FK F MOS IC IC714 TC7W53FKF MOS IC IC715 TC75S51FE F MOS IC IC716 TC75W51FK F MOS IC IC717 XC9235A15CM G MOS IC L1...

Page 23: ...73J CHIP R 47K J 1 16W R119 RK73HB1J104J CHIP R 100K J 1 16W R120 RK73HB1J474J CHIP R 470K J 1 16W R121 RK73HB1J104J CHIP R 100K J 1 16W R122 RK73HB1J104J CHIP R 100K J 1 16W R123 RK73HB1J104J CHIP R 100K J 1 16W R126 RK73HB1J101J CHIP R 100 J 1 16W R127 RK73HB1J000J CHIP R 0 0 J 1 16W R128 RK73HB1J000J CHIP R 0 0 J 1 16W R129 RK73HB1J101J CHIP R 100 J 1 16W R130 RK73HB1J101J CHIP R 100 J 1 16W R1...

Page 24: ...HIP R 470K J 1 16W R457 RK73HB1J104J CHIP R 100K J 1 16W R458 RK73HB1J104J CHIP R 100K J 1 16W R459 RK73HB1J102J CHIP R 1 0K J 1 16W R460 RK73HB1J102J CHIP R 1 0K J 1 16W R461 RK73HB1J103J CHIP R 10K J 1 16W R462 RK73HB1J102J CHIP R 1 0K J 1 16W R463 RK73HB1J104J CHIP R 100K J 1 16W R465 RK73HB1J103J CHIP R 10K J 1 16W R466 RK73HB1J104J CHIP R 100K J 1 16W R467 RK73HB1J104J CHIP R 100K J 1 16W R46...

Page 25: ...63J CHIP R 56K J 1 16W R739 RK73HB1J823J CHIP R 82K J 1 16W R740 RK73HB1J000J CHIP R 0 0 J 1 16W R741 RK73HB1J474J CHIP R 470K J 1 16W R742 RK73HB1J103J CHIP R 10K J 1 16W R743 RK73HB1J103J CHIP R 10K J 1 16W R744 RK73HB1J223J CHIP R 22K J 1 16W R745 RK73HB1J682J CHIP R 6 8K J 1 16W R746 RK73HB1J563J CHIP R 56K J 1 16W R748 RK73HB1J103J CHIP R 10K J 1 16W R749 RK73HB1J472J CHIP R 4 7K J 1 16W R750...

Page 26: ... CHIP C 1000PF K C13 CC73HCH1H101J CHIP C 100PF J C15 CK73HBB1H471K CHIP C 1000PF K C16 CC73HCH1H101J CHIP C 100PF J C17 CC73HCH1H101J CHIP C 100PF J TX RX UNIT X57 8950 11 C18 CK73HB1C103K CHIP C 0 010UF K C19 CK73HBB1H471K CHIP C 1000PF K C20 CC73HCH1H220G CHIP C 22PF G C21 CK73HBB1H471K CHIP C 1000PF K C22 CC73HCH1H390G CHIP C 39PF G C24 CC73HCH1H101J CHIP C 100PF J C25 CC73HCH1H101J CHIP C 100...

Page 27: ...6PF J C167 CC73HCH1H101J CHIP C 100PF J C168 CC73HCH1H101J CHIP C 100PF J C169 CK73HBB1A104K CHIP C 0 10UF K C173 CK73HBB1H471K CHIP C 470PF K C177 CC73HCH1H220J CHIP C 22PF J C178 CC73HCH1H120J CHIP C 12PF J C179 CC73HCH1H100B CHIP C 10PF B C180 CC73GCH1H120G CHIP C 12PF G C190 CC73GCH1H270G CHIP C 27PF G C191 CC73GCH1H181J CHIP C 180PF J C193 CC73GCH1H330G CHIP C 33PF G C201 CK73GB1H104K CHIP C ...

Page 28: ...421 CK73GBB1C224K CHIP C 0 22UF K C422 CK73GB1E105K CHIP C 1 0UF K C423 CK73GBB1C224K CHIP C 0 22UF K C424 CK73GB1E105K CHIP C 1 0UF K C425 CK73GB1E105K CHIP C 1 0UF K C426 CC73HCH1H470J CHIP C 47PF J C428 CC73HCH1H470J CHIP C 47PF J C429 CC73HCH1H470J CHIP C 47PF J C430 CC73HCH1H470J CHIP C 47PF J C431 CC73HCH1H470J CHIP C 47PF J C432 CC73HCH1H470J CHIP C 47PF J C433 CC73HCH1H470J CHIP C 47PF J C...

Page 29: ...73G0AFR22J SMALL FIXED INDUCTOR 220NH L23 L40 5678 67 SMALL FIXED INDUCTOR 56NH L24 L40 2778 67 SMALL FIXED INDUCTOR 27NH L25 L40 1285 92 SMALL FIXED INDUCTOR 120NH L26 LK73G0AQ3R3K SMALL FIXED INDUCTOR 3 3UH L27 LK73G0AQ3R3K SMALL FIXED INDUCTOR 3 3UH L29 L40 1085 71 SMALL FIXED INDUCTOR 100NH L30 L40 6875 92 SMALL FIXED INDUCTOR 68NH L98 LB73H0AV 003 BEADS CORE L99 LB73H0AV 003 BEADS CORE L100 L...

Page 30: ...R 22 J 1 16W R48 RK73HH1J271D CHIP R 270 D 1 16W R49 RK73HB1J154J CHIP R 150K J 1 16W R50 RK73HB1J101J CHIP R 100 J 1 16W R51 RK73HB1J102J CHIP R 1 0K J 1 16W R52 RK73HB1J473J CHIP R 47K J 1 16W R53 RK73HB1J683J CHIP R 68K J 1 16W R54 RK73HB1J102J CHIP R 1 0K J 1 16W R55 RK73HB1J104J CHIP R 100K J 1 16W R56 RK73HB1J000J CHIP R 0 0 J 1 16W R57 RK73HB1J124J CHIP R 120K J 1 16W R58 RK73HB1J823J CHIP ...

Page 31: ...1J104J CHIP R 100K J 1 16W R246 RK73HB1J101J CHIP R 100 J 1 16W R248 RK73HB1J100J CHIP R 10 J 1 16W R251 RK73HB1J000J CHIP R 0 0 J 1 16W R253 RK73HB1J102J CHIP R 1 0K J 1 16W R254 RK73HB1J103J CHIP R 10K J 1 16W R255 RK73HB1J272J CHIP R 2 7K J 1 16W R256 RK73HB1J103J CHIP R 10K J 1 16W R257 RK73HB1J000J CHIP R 0 0 J 1 16W R260 RK73HB1J105J CHIP R 1 0M J 1 16W R262 RK73HB1J105J CHIP R 1 0M J 1 16W ...

Page 32: ...21J CHIP R 820 J 1 16W R429 RK73GB2A000J CHIP R 0 0 J 1 10W R430 RK73GB2A000J CHIP R 0 0 J 1 10W R436 RK73HB1J102J CHIP R 1 0K J 1 16W R438 RK73GB2A000J CHIP R 0 0 J 1 10W R439 RK73HH1J183D CHIP R 18K D 1 16W R440 RK73HB1J474J CHIP R 470K J 1 16W R451 RK73HB1J000J CHIP R 0 0 J 1 16W R452 RK73HB1J102J CHIP R 1 0K J 1 16W R490 RK73HB1J000J CHIP R 0 0 J 1 16W R498 RK73HB1J000J CHIP R 0 0 J 1 16W R499...

Page 33: ... 86 27 56 91 68 40 35 45 31 77 90 67 20 9 46 4 29 29 17 62 57 63 59 52 52 93 54 S1 VR1 64 70 21 36 33 47 72 22 48 24 3 701 702 Control unit X53 Hx2 Hx2 D D Hx2 H E E F F B C C E E Optional board unit X57 B 2 Hx4 Hx10 704 705 TX RX unit X57 A 2 709 710 712 A N08 0564 04 B N0Z 0001 00 C M2 6 x 8 N09 2440 15 D N09 6549 04 E M2 6 x 4 N09 6554 05 F N14 0844 04 H Ǡ2 x 5 N83 2005 48 19 711 98 712 101 100...

Page 34: ...lied 3 2 1 D C 14 Instruction manual B62 2601 00 95 97 Item carton case H52 2841 02 95 Packing fixture H12 4293 02 96 Carton board H13 2135 04 60 Belt clip J29 0730 05 G Pan head machine screw N09 6585 15 x2 6 Cap B09 0712 03 53 Packing Cap G53 1769 04 A Dressed screw N08 0564 04 ...

Page 35: ...ntrol signal Checking the control signal input to the ASIC Points to be checked Normal voltage RESET IC105 4 pin 3 3V BINT Q401 6 pin 3 3V PSW Q402 3 pin 3 3V Checking the control signal output from the ASIC Points to be checked Normal voltage FRST C110 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 ...

Page 36: ...ue is confirmed When a normal value is confirmed When a normal value is confirmed When a normal value is confirmed When an abnormal value is confirmed When an abnormal value is confirmed When an abnormal value is confirmed When an abnormal value is confirmed When an error display appears on the LCD The LCD displays INIT ERROR1 An error occurs when the ASIC internal RAM reads or writes The ASIC may...

Page 37: ...ata The following data is written on the service control unit DataType Description Firmware NX 203 303 Firmware FPU Data PC programming mode X53 459 NX 303 K type data Various Adjustment Data PC Test mode General adjustment values for the X53 459 NX 303 KENWOOD ESN Model name X53 459 NX 203 303S Type K The same number as the KENWOOD ESN label is written NXDN ESN The same number as the NXDN ESN lab...

Page 38: ...contact our service center ADJUSTMENT Controls MIC Selector Power switch Volume Orange key PTT switch Side1 key Side2 key Universal connector PanelTest Mode Test mode operation features This transceiver has a test mode To enter test mode press and hold the key while turning the transceiver power ON Before the transceiver enters test mode the frequency version information appears on the LCD mo ment...

Page 39: ...n icon appears Beat shift on off On icon appears Orange Function off PTT Transmit LED indicator Red LED Lights during transmission Green LED Lights when there is carrier Sub LCD indicator FNC Appears at function on LCD display in panel test mode Power ON Battery type detect LI NML Li ion normal capacity battery LI HI Li ion high capacity battery IS IS Ni MH battery Market code Frequency range F1 1...

Page 40: ...ning 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 requirements 1 to 4096 appears on the LCD Use the key to select the adjustment item through tuning modes Use the key to adjust 5 reference level adjustments and use the Side2 key to switch between W...

Page 41: ...ow 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 CWID Deviation NXDN Very Narrow is adjusted QT Deviation QT tone deviation is adjusted DQT Deviation D...

Page 42: ...5 Transmitter Section 2 1 1024 8 Balance BAL Encode frequency 5 Transmitter Section 3 1 256 9 Maximum Deviation NXDN NDEV 5 5 Transmitter Section 4 1 1024 10 Maximum Deviation Analog ADEV 5 5 Transmitter Section 5 1 1024 11 QT Deviation QT 1 1 Transmitter Section 6 1 1024 12 DQT Deviation DQT 1 1 Transmitter Section 7 1 1024 13 LTR Deviation LTR 1 1 Transmitter Section 8 1 1024 14 DTMF Deviation D...

Page 43: ...djusting Analog Narrow it is not necessary to adjust NXDN Narrow Panel tuning mode flow chart Note In this Panel tuning mode flow chart the Adjustment item name is modified ADJUSTMENT LCD Contrast CNTR Volume 1 CCW Max VOL1 Volume 2 CW Max VOL2 Low L Low Center L Center C Center High H High H RX Assist RAST TX Assist TAST High Power HIPWR Low Power LOPWR Balance BAL NXDN Deviation NDEV Narrow Narr...

Page 44: ... Squelch Open SQL RSSI Low LRSSI Wide RSSI Low LRSSI Very Narrow Narrow RSSI Low LRSSI RSSI High HRSSI Wide RSSI High HRSSI Very Narrow Narrow RSSI High HRSSI Squelch Tight SQLT Wide Narrow Squelch Tight SQLT 5 reference level Adjustments 5 reference level Adjustments 5 reference level Adjustments 5 reference level Adjustments 5 reference level Adjustments 5 reference level Adjustments 5 reference...

Page 45: ... Level 50mV to 10Vrms 11 8 Dummy Load Approx 8 3W 12 Regulated Power Supply 5V to 10V approx 3A Useful if ammeter equipped ADJUSTMENT 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...

Page 46: ... or transformer as shown in the figure 3 Do not connect an instrument between red or black and GND Universal connector 1 SSW 3 SP 5 EMC 7 PTT 9 OPT 11 5V 13 RXD 2 SP 4 MSW 6 ME 8 PF 10 E 12 TXD 14 NC Panel tuning 11 GREEN 5M TUBE SCREW 8 YELLOW PF SW 2 RED RX AF OUTPUT 3 BLACK RX AF OUTPUT 10 BROWN GND 6 BROWN MIC GND 5 WHITE MIC INPUT 7 BLUE PTT SW GND ON RED 2 BLK 3 100μ 10V 100μ 10V 8Ω WHT 5 BR...

Page 47: ...nnel 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 2W 1 0A or less 2 CH Sig 2 1 PTT ON 2 Test Channel Channel 2 Test...

Page 48: ... 3kH Narrow MOD 1kHz DEV 1 5kHz 2 LCD contrast 1 Adj item CNTR Adjust Press key to store the adjust ment value 1 Adj item LCD Contrast Press Apply but ton to store the adjustment value Panel Panel tuning mode PC test mode Adjust the LCD contrast by looking This item is needed when the LCD ASSY B38 0923 05 is replaced 3 Counter clockwise Volume 1 Adj item VOL1 Adjust 1 Adj item Counter clockwise Vo...

Page 49: ... TAST Adjust 2 Adj item LTAST L TAST CTAST H TAST HTAST Adjust PTT ON RF power is not output Press key to store the adjustment value 1 Adj item Transmit Assist 2 Adj item Low Low Center High High PTT Press Transmit button Press Apply All button to store the adjustment value 6 Frequency adjust The Frequency adjustment can be performed only in PC test mode 1 Adj item Frequency SSG output 20dBm 22 4m...

Page 50: ...ess key to store the adjustment value Sub LCD Tone frequency Side1 key Press while transmitting to change 20Hz and 2kHz 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 The Deviation of 20...

Page 51: ...T ON PC test mode PTT Press Transmit button 2050 2150Hz PC test mode Press Apply All button to store the adjustment value after all adjustment point was adjusted Wide 1 Adj item Aw ADEV Adjust 2 Adj item AwL ADEV AwL ADEV AwC ADEV AwH ADEV AwH ADEV Adjust Press key to store the adjustment value 1 Adj item Maximum Deviation Analog Wide 2 Adj item Low Low Center High High Press Apply All button to s...

Page 52: ...it button Press Apply button to store the adjustment value 0 75kHz 0 05kHz 8 LTR Deviation adjust 4 Narrow 1 Adj item An LTR Adjust Deviation meter LPF 3kHz HPF OFF PTT ON Press key to store the adjustment value 1 Adj item LTR Devia tion Analog Narrow Deviation meter LPF 3kHz HPF OFF PTT Press Transmit button Press Apply button to store the adjustment value Write the value as followings 465 Refere...

Page 53: ...ress Transmit button Press Apply button to store the adjustment value Write the value as followings 513 Reference value 1 50kHz 0 05kHz Wide 1 Adj item Aw MSK Adjust PTT ON Press key to store the adjustment value 1 Adj item MSK Devi ation Analog Wide PTT Press Transmit button Press Apply button to store the adjustment value 3 00kHz 0 05kHz 12 CWID Deviation adjust 4 Very Narrow 1 Adj item Nv CWID ...

Page 54: ...Step2 Maximum Deviation Analog Wide Step3 DTMF Deviation Wide Step1 Balance adjust Step2 Maximum Deviation Analog Narrow Step3 DTMF Deviation Narrow 2TONE Step1 Balance adjust Step2 Maximum Deviation Analog Wide Step3 SingleTone Deviation Analog Wide Step1 Balance adjust Step2 Maximum Deviation Analog Narrow Step3 SingleTone Deviation Analog Narrow MSK FleetSync Step1 Balance adjust Step2 Maximum ...

Page 55: ...High 180 Fixed 3 Adj item L SENS1 L SENS1 Adjust 3 Adj item Low Low SSG AF VM Oscilloscope Panel ANT Universal connector Increase the adjust ment value from step 2 adjustment value preset value of 2 Sensitivity 1 adjust Caution Perform the step 3 adjustments of 3 Sensi tivity 2 adjust before performing the L SENS1 and L SENS1 adjustment SSG output 90dBm 7 08µV MOD 1kHz 1 5kHz Press key to store th...

Page 56: ...just SSG output 12dB SINAD level 3dB MOD 1kHz 1 5kHz 1 Adj item RSSI Reference Analog Narrow 2 Adj item Low Low Center High High SSG output 12dB SINAD level 3dB MOD 1kHz 1 5kHz SSG Distortion meter Oscilloscope Panel ANT Universal connector 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 ...

Page 57: ... Low Center High High SSG output 12dB SINAD level MOD 1kHz 3kHz NXDN Very Narrow 1 Adj item Nv SQL Adjust 2 Adj item NvL SQL NvL SQL NvC SQL NvH SQL NvH SQL Adjust SSG output 12dB SINAD level for Ana log Narrow 4dB MOD 400Hz 1 1kHz 1 Adj item Open Squelch NXDN Very Narrow 2 Adj item Low Low Center High High SSG output 12dB SINAD level for Ana log Narrow 4dB MOD 400Hz 1 1kHz Adjust with the ana log...

Page 58: ...Very Narrow 2 Adj item Low Low Center High High SSG output 118dBm 0 28µV MOD 1kHz 1 5kHz Adjust with the ana log signal 7 Because Low RSSI at 118dBm NXDN Narrow is adjusted by adjusting Low RSSI at 118dBm Analog Narrow it is not necessary to adjust Low RSSI at 118dBm NXDN Narrow 7 High RSSI at 80dBm adjust 8 Analog Narrow 1 Adj item An HRSSI Adjust 2 Adj item AnL HRSSI AnL HRSSI AnC HRSSI AnH HRSS...

Page 59: ...NXDN Narrow is adjusted by adjusting High RSSI at 80dBm Analog Narrow it is not necessary to adjust High RSSI at 80dBm NXDN Narrow 8 Tight Squelch adjust Squelch level 9 adjust Analog Narrow 1 Adj item An SQLT Adjust 2 Adj item AnL SQLT AnL SQLT AnC SQLT AnH SQLT AnH SQLT Adjust SSG output 12dB SINAD level 5dB MOD 1kHz 1 5kHz 1 Adj item Tight Squelch Analog Narrow 2 Adj item Low Low Center High Hi...

Page 60: ...witch input 8 EN2 I Rotary switch input Pin No Name I O Function 9 B O Power output after passing through the fuse 10 SB1 I Power input after power switch CN404 1 LED_G O Green LED control output 2 EMG I Emergency Orange key input 3 LED_R O Red LED control output 4 IFC I TX RX PCB version recognition input 5 SAVE O 50C Reg control output 6 I2CCK O TCXO thermometer clock output 7 5TC O 50T Reg swit...

Page 61: ...o CN710 26 pin connector specification described on pages 64 to 66 21 TXO O 22 RXEO O 23 RXEI I 24 TXI I 25 OPT6 O 26 POW O TX RX unit X57 8950 11 A 2 Pin No Name I O Function CN900 1 LED_G I Green LED control input 2 EMG O Emergency Orange key output 3 LED_R I Red LED control input 4 IFC O TX RX PCB version recognition output 5 SAVE I 50C Reg control input 6 I2CCK I TCXO thermometer clock input 7...

Page 62: ... input SIDE2 key Option board unit X57 8950 11 B 2 Pin No Name I O Function CN736 1 OPT1 I O Refer to CN736 Option board connector specification described on page 67 2 OPT3 I O 3 26P_RD O 4 26P_TD I 5 NC 6 OPT4 I 7 OPT10 I 8 OPT5 I 9 DGND 10 AGND 11 NC 12 NC 13 AGND 14 5V I 15 OPT9 O 16 DTI O 17 OPT8 I O 18 OPT11 I 19 OPT7 I O 20 OPT2 I O 21 TXO I 22 RXEO I 23 RXEI O 24 TXI O 25 OPT6 I 26 POW I So...

Page 63: ...3 V VIL 0 0 5 V 5 EMC I Analog External MIC input Audio Level STD deviation 7 7 12 5 17 3 mV DC Bias 3 3 V Allowable Frequency 300 3000 Hz Input Impedance 1 8 k 6 ME External MIC GND 7 PTT I Digital External PTT input L PTT ON VIH 2 8 5 3 V VIL 0 0 7 V 8 PF I Analog Programmable function key input V PF2 key ON 2 2 2 8 V V PF1 key ON 1 7 2 2 V V PF1 PF2 key ON 1 3 1 7 V 9 OPT I Digital Man down inp...

Page 64: ...300 3000 Hz 7 OPT10 O Analog Digital Output Amplitude 1kHz 60 deviation 0 9 1 3 1 7 Vp p Coupling Capacitor 0 1 µF Output Impedance 22k Allowable Frequency 300 3000 Hz 11 AI I Analog Input Amplitude 1kHz 60 deviation 0 3 0 5 0 7 Vp p Coupling Capacitor 0 1 µF Input Impedance 12k Allowable Frequency 300 3000 Hz 12 AO O Analog Output Amplitude 1kHz 60 deviation 30 50 70 mVp p Coupling Capacitor 0 1 ...

Page 65: ... Impedance 22k Allowable Frequency 300 3000 Hz 14 5V O Power Output Voltage 5 V Output Current 78 mA 26 POW O Power Output Voltage 7 5 V Output Current 100 mA 9 DGND GND Allowable current value Total current of 3 pins 100 mA 10 AGND 13 5 NC CN710 26 pin connector specification Pin No Name Device I O Connection Function 1 OPT1 ANI board O Aux Input COR Conv LTR L Activity receiving H Not activity r...

Page 66: ...oard A GND VGS 1 AGND AGND 14 5V ANI board Note POW and 5V can not be used simultaneously VGS 1 O 5C 5V power supply 15 OPT9 ANI board I Sidetone Sidetone input VGS 1 16 DTI ANI board I Data Out Data signal input VGS 1 17 OPT8 ANI board I Tone Control Speaker mute signal input VGS 1 18 OPT11 ANI board O Man Down Man Down output VGS 1 19 OPT7 ANI board I MIC Mute MIC mute signal input VGS 1 20 OPT2...

Page 67: ...TT PTT signal input 7 OPT10 ANI board 8 OPT5 ANI board I Emergency Emergency signal input 9 DGND ANI board A GND 10 AGND ANI board A GND 11 NC 12 NC 13 AGND ANI board A GND 14 5V ANI board Note POW and 5V can not be used simultaneously 15 OPT9 ANI board O Sidetone Sidetone output 16 DTI ANI board O Data Out Data signal output 17 OPT8 ANI board O Tone Control Speaker mute signal output 18 OPT11 ANI...

Page 68: ...TROL UNIT X53 4590 14 Component side view J79 0131 39 Ref No Address IC1 6K IC415 8K Q1 7K Q2 7L Q3 6L Q4 4L Q5 4L D3 3O D4 3Q D7 10O Ref No Address D8 10Q D11 7L D12 7M D13 7M D14 7M D15 7L D16 7L D17 9L D18 4L D19 4L Ref No Address D20 8M D21 8M D22 8L D23 9L NX 203 PC BOARD 68 ...

Page 69: ... C11 C13 C14 C15 C23 C25 C26 C30 C33 C31 C32 C35 C36 C34 C29 C37 C38 C41 C1 C6 R483 TH1 IC415 D11 D12 D14 D15 D18 D19 D20 D21 D23 L1 L2 L3 L4 L411 L5 L6 L7 R14 R16 R18 R19 R20 R21 1 14 AGND 6_ KEYI0 BL_SB 6_ KEYO1 6_ KEYO0 BL_SB 6_ KEYO2 6_ KEYI1 SP SP SP EMC ME SP R22 R23 R24 R25 Q1 R26 Q2 R27 Q3 Q4 R28 Q5 R31 R32 R33 R34 R35 R3 CN1 C10 C12 C16 C17 D17 CONTROL UNIT X53 4590 14 Component side view...

Page 70: ...1 3 3 1 4 6 5 4 5 8 4 1 5 8 10 1 11 20 1 5 8 1 5 8 5 IC412 IC413 IC414 1 2 4 3 L713 IC417 L714 IC418 L717 R101 CN CN R127 L8 R128 R130 R132 R133 R135 R136 R137 R139 C102 C103 R140 R141 C10 R142 C10 R145 R146 R147 X101 X102 R150 C119 R156 R157 R158 C120 C121 R546 R547 R165 R172 C1 C1 R174 C141 C143 R180 C144 R181 C146 R183 C148 R185 R187 C153 R190 C154 R192 C156 C157 R193 C158 R194 Q402 3 1 4 6 Q40...

Page 71: ... C758 R794 C759 R798 R799 IC101 IC103 C761 D701 C763 D703 C764 D706 D707 C767 C768 C772 C775 C778 C780 C781 IC701 C782 IC702 C786 C787 IC707 4 5 1 8 4 4 5 1 8 4 5 1 8 5 1 8 4 5 1 8 C788 IC708 1 3 4 5 IC709 IC710 C792 IC712 C793 C794 IC714 IC715 C796 IC716 4 3 1 4 5 5 1 8 4 5 5 4 1 3 1 8 J79 0131 39 R111 R113 CN101 CN102 C101 R419 R426 R440 R830 R832 R836 R839 C800 R120 CN106 R724 CN709 R726 CN712 ...

Page 72: ...13 R257 C225 C78 C81 C231 C82 C83 C90 R321 R322 C91 C92 R282 R283 C1 R285 C249 C4 C6 C8 C252 R293 D3 D4 D6 D7 C276 IC202 IC203 1 3 4 5 L1 L3 L10 TH100 IC5 1 1 6 3 4 3 4 5 R11 R12 R18 R21 R23 Q1 4 6 1 3 Q2 R27 Q4 C139 R29 Q6 R33 R34 R1 R36 R2 R39 R8 R9 R320 R42 R44 R51 C355 R58 R60 R62 R74 R75 X1 C13 C15 C16 C17 C19 R400 C36 R248 R299 Q109 Q110 1 1 3 4 4 5 8 6 R135 R145 IC1 IC3 R153 R154 R156 R161 ...

Page 73: ...9 R500 1 LED_G LED_R SAVE 5TC SBC TV2 TV1 5RC GND GND GND NC B B NC PTT Side_1 SDO1 PCS_RF APC VCO_MOD PLD SCK1 S_DET NC EMG IFC I2CCK I2CSDA T_R ASSIST VAGC TCXO_MOD RSSI CV NC B B NC GND Side_G W_ N Side_2 DSW APCSW THP 38M GND GND IF_DET 49 50 2 C442 C443 C445 C447 C449 C450 C451 C452 C453 C454 R490 C455 1 8 R498 R499 C470 C472 C473 IC200 1 3 4 5 C474 C475 C476 C478 C479 R136 R138 R141 R158 L40...

Page 74: ...291 R311 C297 C299 R302 R303 R304 R305 CN102 C304 C306 C307 C312 R162 R163 C135 C146 C149 C154 C166 Q204 L402 L R325 L215 L220 L224 R203 R207 R307 J79 0434 09 B 2 CN736 L111 L113 L119 R152 C158 C163 C167 C179 C180 C193 C414 R438 R452 C421 C423 R280 C466 C386 C467 R436 L109 L114 IC403 R310 C136 C140 C142 C144 D104 C165 D105 C190 C191 L223 R326 R265 C320 R273 R276 R277 R279 R289 C251 R296 D205 C462 ...

Page 75: ...R239 C240 C241 C251 CN200 BPF R220 R225 R230 R237 C220 C244 C248 L204 R211 R214 C203 C206 C57 C209 C210 C211 C62 C212 C259 C213 Q10 Q11 C67 C217 C69 C71 C75 C77 C227 C84 L230 Q102 D8 D9 L102 L105 R104 R106 D14 D15 D16 R111 R118 R127 R129 R130 L16 L17 L18 C104 L19 L23 C112 L27 L29 C117 C119 C314 C261 C122 R176 R177 C150 R41 R47 R49 R50 C356 Q201 Q202 C177 L201 R71 R77 R204 C58 C60 C65 C72 R43 R63 R...

Page 76: ...V 1 RXD TXD UNIVERSAL CONNECTOR NC PF SP PTT EMC SSW 1 MSW SP ME OPT E 6KEY SP MIC ME EMC SP SP SP SP 6_ KEYI1 6_ KEYO2 BL_SB 6_ KEYO0 6_ KEYO1 BL_SB 6_ KEYI0 AGND CN23 OPT10 OPT7 TXo AGND SB2 NC SToN oPT3 RXEO DTI C3 TCNT OPT2 OPT9 DI NC oPT1 AGND OPT3 RXEI RXEo DGND MDWN oPT5 INH OPT11 X57 895 B 2 OPT1 26P_RD OPT6 NC 5V 26P_TD TXI TXO CN736 oPT2 TXI RXEI AGND OPT4 oPT4 OPTION PCB AGND POW OPT8 O...

Page 77: ...S_RF 38M DSW APC GND GND SCK1 S_DET NC IF_DET I2CSDA 50 SDO1 SCK1 AGND 5RC Side_2 B IFC Side_1 1 I2CCK ASSIST IF_DET APC Side_G PTT VCO_MOD VAGC TV1 CV B TCXO_MOD B DSW 5TC TV2 LED_R CN404 APCSW T_R PGND THP NC B SAVE GND 38M RSSI GND PGND SBC EMG NC PLD S_DET W_ N NC PCS_RF AGND LED_G NC NC S BATT X57 895 A 2 TX RX PCB Side_2 Side_G PTT GND Side_1 CN401 ANT 1 20 C PTT Side_1 Side_2 CORD ASSY X42 ...

Page 78: ...AM IC103 G3 G2 G1 F6 F4 F3 F1 E6 E1 D6 D1 C6 C4 C3 C1 B6 B5 B4 A1 A2 A3 A4 A5 A6 B1 B2 B3 G4 G5 G6 H1 H2 H3 H4 H5 H6 CE oE DQ7 DQ2 NC3 NC2 DQ6 VSS2 VCC2 VCC1 VSS1 DQ1 A5 NC1 DQ5 DQ0 A7 A4 A0 A1 CE2 A3 A6 A8 DQ4 A2 WE A16 A15 DQ3 A9 A10 A11 A12 A13 A14 470k R120 1u C118 L710 A14 A13 A12 A11 A10 A9 A15 A16 A0 A1 A3 A6 A8 A2 A5 A7 A4 D0 D5 D4 D1 D6 D2 D7 RD CS2 D3 WR 20 V5 19 V4 18 V3 17 V2 16 V1 15 ...

Page 79: ...X0 BDR2 HCNTL1 BDR0 BFSR2 BFSR0 BCLKR2 BCLKR0 DVSS5 HCNTL0 BCLKR1 CVSS6 CVSS1 A22 CVSS2 DVDD1 A10 HD7 A11 A12 A13 A14 A15 CVDD1 HAS DVSS1 CVSS3 CVDD2 HCS HR_W READY PS DS IS R_W MSTRB IoSTRB MSC XF HoLDA IAQ HoLD BIo MP_MC DVDD2 CVSS4 BDR1 BFSR1 A19 A20 CVSS9 DVDD5 D6 D7 D8 D9 D10 D11 D12 HD4 D13 D14 D15 HD5 CVDD6 CVSS10 HDS1 DVSS8 HDS2 DVDD6 A0 A1 A2 A3 HD6 A4 A5 A6 A7 A8 A9 CVDD7 A21 DVSS9 1000p...

Page 80: ... SPCS00 SPCS01 SPCS02 SPCK1 SPI1 SPo1 SPCS10 SPCS11 SPCS12 ADC4 ADC5 XTALI XTALo 32I DSPCK CKo USRCKI ADD0 ADD1 ADD2 ADD3 ADD4 ADD5 ADD6 ADD7 ADD8 ADD9 ADD10 ADD11 ADD12 ADD13 ADD14 ADD15 ADD16 ADD17 ADD18 ADD19 ADD20 ADD21 DT0 DT1 DT2 DT3 DT4 DT5 DT6 DT7 DT8 DT9 DT10 DT11 DT12 DT13 DT14 DT15 WRITE READ BHE BLE CS4 CS3 CS2 CS1 CS0 HRADY HDS2 TXD0 RXD0 RTS0 CTS0 TXD1 RXD1 TXD2 RXD2 TXD3 CN104 22 R1...

Page 81: ...CC9 AVCC8 NC35 AVCC6 AVCC5 AVCC4 NC36 AVCC2 AVCC1 DGND15 DGND14 DGND13 DGND12 DGND11 DGND10 DGND9 DGND8 DGND7 DGND6 DGND5 DGND4 ADC6 ADC7 ADC8 ADC9 MICVR SPDAC MICADC0 MoDDAC MICADC1 KEYI0 KEYI1 KEYI2 KEYI3 KEYI4 KEYo0 KEYo1 KEYo2 KEYo3 KEYo4 PWM1 PWM2 TI TDI TMS TDo TCK TRST RTCK BSCAN0 BSCAN1 RST RSTo TEST0 TEST1 TEST2 TEST3 BooT SQDAC ADC0 DAC0 IFR ADC3 ADC2 FCDADC IFADCP IFADCN IFVR A VOX VOL ...

Page 82: ...1 ENC2 ENC3 ENC4 C149 0 01u C148 0 1u C144 1u C143 0 01u C145 0 1u C146 0 1u C147 0 1u C154 0 1u C150 1u C151 0 1u C152 0 1u C153 0 1u C155 0 1u DSR 5UC EXAMT INAMT D D D D D 100k R174 R175 100k R176 100k R177 100k R178 100k R181 100k 1k C136 0 01u C137 1u C138 0 1u C139 0 1u L714 L715 L716 2 2k R501 L403 1 CN403 2 3 4 5 6 7 8 9 10 C459 470p 2 2k R506 1k R509 1k R510 1k R508 1k R507 1k R504 VOL EN...

Page 83: ...25 0 R766 0 1u C726 47k R777 0 01u C745 1k R793 47k R735 C712 330k R765 0 1u C727 C724 10k R750 560k R754 A 0 01u A 6 8k R745 A 0 01u A BEEP RXEI RXEO RXAF SCSW AMT 5 7 8 6 IN B VSS 4 IC713 TC75W51FK F VDD oUTB IN B IN A IN A oUTA 2 1 3 10p C761 470k R802 0 R804 470k R800 0 1u C756 100k R815 1u C778 100k R818 0 01u C779 1000p C777 RXAF SMF RF AF SW A VREF B RX SUM IC709 TC7W53FK F VCC 1 CoMMoN CH0...

Page 84: ...D 4 5 IN oUT VCC IC712 TC7S66FUF 4 5 CoNT oUT IN 1 3 2 GND IN VDD IC715 TC75S51FE F 4 5 oUT VSS 1 3 2 IN TC75W51FK F IC716 1500p C718 22k R744 22k R757 22k R761 330p C728 0 1u C736 18k R775 6800p C739 0 1u C799 0 1u C721 1200p C735 22k R762 330p C730 1500p C800 R764 22k R763 22k 0 R786 100k R784 47p C749 100k R794 33k R796 4 7u C758 4 7u C757 0 R795 47p C750 120k R787 18k R783 47k R801 0 1u C762 0...

Page 85: ...C7WT125FUF 2 1 G1 A1 3 4 Y2 GND VCC 8 IC418 G2 Y1 A2 7 6 5 BER_CLK BER_DATA BER_EN 0 01u C464 DA221 D23 D22 DA221 D17 EMZ6 8N C29 100p C30 100p C31 100p C33 100p C34 100p C36 6800p C38 100p 1k R28 1k R29 100 R30 1k R31 100 R32 L8 100 R35 100 R33 L7 L6 L5 L4 C23 1000p C28 100p C24 47p C25 1000p C26 1000p C27 1000p C32 100p C35 1000p C37 1000p NNCD6 8G A D21 NNCD6 8G A D20 CN405 SSW 1 2 SP 3 SP 4 MS...

Page 86: ...1 CE VSS VIN L704 R549 47k 1SS388F D417 1u LT1616ES6 PBF GND BooST 2 3 FB 1 SW VIN SHDN 6 5 4 IC407 HRB0502A D406 22u L401 D405 1SS388F C415 10u 68k 33k R425 0 01u C418 470k R431 4 7u L402 C416 10u10 R424 C417 220p C419 1 VIN VoUT CE 3 2 NC VSS 5 4 XC6209B502P G IC708 1SS301F D701 1u C742 470k R791 1u C751 0 R432 SSM6N16FE F Q402 100k R438 100k R439 470k R452 470k R456 R435 R436 100k 100k SSM6N16F...

Page 87: ...R533 100 R534 100 R535 100 R536 1k R537 1k R538 1k R539 1k R540 1k R541 100 R550 0 R543 100 R544 1k R545 PTT VCO_MOD Side_G Side_1 Side_2 W_ N SDO1 PCS_RF DSW APCSW THP PLD SCK1 S_DET A CN404 PCS_RF IF_DET NC GND S_DET GND SCK1 38M PLD THP VCO_MOD APCSW APC DSW LED_R PGND NC Side_2 SDO1 W_ N Side_1 Side_G PTT AGND NC B B B B NC NC AGND CV RSSI PGND TCXO_MOD 5RC VAGC TV1 ASSIST TV2 T_R SBC I2CSDA 5...

Page 88: ...454 47p R499 0 C452 47p C450 47p C451 47p C449 47p 1000p C465 1000p C464 R411 6 3 CLK CC GAIN 0 1u CE SS VIN 4 150k 5 180p C417 R423 R425 470p C420 12k 22k VoUT FB VSS XC9101D09AK G LSEN EXT 1 2 IC402 C419 7 8 22p R439 18k 1u C422 1u C424 C425 1u 1000p 0 22u C467 2 C423 R420 47k 1k R436 1k Q402 R410 470k C475 1u Q401 R413 C418 2SA1955A F VSS IN oUT IC401 TC75S51FE F IN VDD R421 4 R419 47k C416 1u ...

Page 89: ...51 1k R54 CV CN1 0 L3 C20 22p 470p HVC131 HVC131 R7 4 7k R12 C8 D3 22k 470p C22 39p C21 TX L2 22k D2 R11 C19 C15 470p RX C31 22p 5 6n 2p 82n L5 5 6n 3p C26 47p C34 L7 L6 C92 68n L30 R77 D14 L12 L29 100n C58 C52 D18 100k C65 Q6 2SC5383 T111 APC C169 100k 0 1u C168 1u 100p R166 1k VSS TC75W51FUF 47p 0 3 2 4 1 6 5 VDD IC4 7 8 C129 0 1u R135 2 2k R167 R168 120k 18k R170 220k R39 HSC119 D7 1 5k C53 L19...

Page 90: ...0k VAGC 0 01u 100k R293 R246 C311 100 C252 47k R245 47p TC75W51FUF VSS oUTA IN A IN A VDD 8 IN B oUTB IN B 5 6 7 R283 100k C310 1 R255 2 7k 4 3 2 IC404 47p 58 05MHz 22p C215 VAGC 5p C216 R216 220 C213 0 01u OUT C219 6p R218 220 C220 0 01u IN R148 C143 C116 10k R119 1000p C111 R101 R104 47 0 R295 HSC277 D201 C109 C114 470p 1000p R106 15p C100 3 3k R100 10k C101 2SC5636 Q100 100n 0 1u L100 2 2k R103...

Page 91: ...D204 68n L210 R304 0 R303 0 1 5p 1M R260 R262 1M 1SV305F D205 C273 33p C270 C278 1000p C281 R269 C283 220 L215 R296 R263 0 1k R265 0 01u 0 68n R268 68 C282 C285 1u L214 R310 0 C291 1000p 1SV305F 15p C362 1000p C284 R272 150k 33p C312 R289 0 R273 82k 0 1u C286 1000p R274 0 R311 0 D207 R302 68n L220 C290 0 1p R277 100k C298 2p C297 R276 100k 1SV305F D208 C301 R301 0 18p R300 0 C386 56n L224 C317 R27...

Page 92: ...C75W51FK F 1 2 LPF IC706 TC75S51FE F MIC RXAF LPF LPF MOD IC705 TC75W51FK F 2 2 IC705 TC75W51FK F 1 2 TV1 TV2 OINT CN710 26pin Option Board OPT1 2 3 4 OPT5 6 7 8 11 TXO TXI RXEO RXEI DTI OPT9 POW 5A AI AO OPT10 26P_TD 26P_RD DRST DCLK SYMTIM RSSITIM DINT SWUP FSDET HINT LCDRST MCD1AF MCSCKAF MCCSAF MCD0AF MCD1CN MCCXCN MCD0CN MCCSRCN MCSCKCN D3 4 7 8 LCD Back Light BL_SB CN701 for production TO DS...

Page 93: ... SUM IC710 TC75W51FK F 2 2 DI DAC IC703 M62364FP F 1 8 DAC IC703 M62364FP F 2 8 TCXO_MOD VCO_MOD MSW UDET PTT PFKEY 50U RXD3 IC417 TC7WH126FK 2 2 RXD0 RTS0 Q411 SSM6N16FE F NC BER_CLK BER_DATA BER_EN IC418 TC7WT125FUF IC415 TC7SET08FU F TXD0 SCTXD EMC 6_KEYO2 6_KEYO1 6_KEYO0 6_KEYI0 6_KEYI1 BL_SB CN23 CN405 KEY Matrix 6key Selector knob Volume CN403 ENC1 ENC2 ENC3 ENC4 33A VOL SB1 B 6key Back Ligh...

Page 94: ...1 19 2MHz 50IF TCXO_MOD SDO1 SCK1 PCS RF PLD CN400 50R DC SW SB3 LED_R LED_G D402 Q406 UMG9N EMG S1 Temp Sensor IC1 LM73CIMKX 0 33C SKY72300 362 IC2 LMC7101BIM5 IC4 TC75W51FUF 1 2 Q12 2SK879 F Y 50C 50C 50C T_R D2 3 HVC131 2 Q3 2SC5383 T111 IF_DET I2CCK I2CSDA IC5 TLV2381IDBV Q202 2SC4215 F Y TX 272 0 348 0MHz RX 388 1 464 1MHz AVR B 50C AVR DC SW 33C DC SW DC SW 50R 50IF 50T 5RC 38M SBC IFC 5TC S...

Page 95: ...C5383 T111 T R SW 5T 5R D104 105 D209 211 HVC131 4 D100 201 HSC277 2 BPF TUNE TV2 IC201 TLV2381IDBV TV1 RF AMP L220 224 Q204 3SK294 FP D207 208 1SV305F 2 IC200 TLV2381IDBV BPF L215 210 TUNE D204 205 1SV305F 2 1st MIXER Q203 3SK318 MCF XF200 58 05MHz 5T 50R LPF PTT Side1 Side2 Side_1 Side_2 Side_G PTT IC4 TC75W51FUF 2 2 5T BATT 7 5V S B S_DET 50R IC100 TA75W51FU CN401 1st Local 194 05 232 05MHz Q10...

Page 96: ...190 6mVrms W 95 3mVrms N IC710 391 8mVrms W 195 9mVrms N 391 8mVrms W 195 9mVrms N IC703 IC703 DAC C424 IC409 C438 131 0mVrms 9 32mVrms 125mVrms AF 1kHz IC202 FM IC CF201 CF C355 IC203 55 0dBm C246 64 0dBm IF2 450kHz 391 8mVrms W 195 9mVrms N 190 6mVrms W 95 3mVrms N 126 4mVrms W 63 2mVrms N VCO IC703 Receiver Section Transmitter Section LEVEL DIAGRAM To make measurements in the AF section connect...

Page 97: ...NX 203 97 OPTIONAL ACCESSORIES KNB 50NC Ni MH Battery Pack External View Specifications Voltage 7 2V Battery capacity 2000mAh ...

Page 98: ...eight Radio only 8 82 oz 250 g with KNB 50NC 18 70 oz 530 g RECEIVER Sensitivity Digital 6 25kHz 3 BER 0 20µV Digital 12 5kHz 3 BER 0 25µV Analog 12dB SINAD 0 25µV Selectivity Analog 25kHz 72dB Analog 12 5kHz 65dB Intermodulation Distortion Analog 70dB 50 100kHz Spurious Response Analog 70dB Audio Distortion Less than 3 Audio Output 500mW 8 TRANSMITTER RF Power Output 5W 1W Spurious Response 70dB ...

Page 99: ...NX 203 99 MEMO ...

Page 100: ...Printed in Japan No RQ076 Communications Systems Business Unit ...

Page 101: ...15 D18 D19 D20 D21 D23 L1 L2 L3 L4 L411 L5 L6 L7 R14 R16 R18 R19 R20 R21 1 14 AGND 6_ KEYI0 BL_SB 6_ KEYO1 6_ KEYO0 BL_SB 6_ KEYO2 6_ KEYI1 SP SP SP EMC ME SP R22 R23 R24 R25 Q1 R26 Q2 R27 Q3 Q4 R28 Q5 R31 R32 R33 R34 R35 R3 CN1 C10 C12 C16 C17 D17 R848 CONTROL UNIT X53 4590 14 Component side view J79 0131 39 CONTROL UNIT X53 4590 14 Component side view J79 0131 39 Component side Foil side Layer 1...

Page 102: ...C153 R190 C730 C154 C731 R192 C156 C157 R193 C158 R194 C734 R771 C739 C160 R778 R779 C740 C742 C743 1 1 6 7 12 13 18 19 24 12 13 24 C744 R780 C745 C746 R783 C747 C749 R787 Q402 3 1 4 6 Q403 Q404 C750 Q405 Q406 B C E C753 Q407 R791 Q409 C755 C757 R793 C758 R794 C759 R798 Q410 R799 Q411 IC101 IC102 Q413 IC103 Q414 C761 D701 Q415 L401 IC106 C763 D703 L403 C764 IC109 D706 D707 C767 C768 L409 L410 C772...

Page 103: ...33 R34 R1 R36 R2 R39 R8 R9 R320 R42 R44 R51 C355 R58 R60 R62 R74 R75 X1 C13 C15 C16 C17 C19 R400 R404 R410 R413 C36 R429 C480 R430 R248 C400 C426 C428 C429 C430 C431 C432 C433 C434 C435 C436 C437 C438 C439 R500 1 LED_G LED_R SAVE 5TC SBC TV2 TV1 5RC GND GND GND NC B B NC PTT Side_1 SDO1 PCS_RF APC VCO_MOD PLD SCK1 S_DET NC EMG IFC I2CCK I2CSDA T_R ASSIST VAGC TCXO_MOD RSSI CV NC B B NC GND Side_G ...

Page 104: ... R307 J79 0434 09 A 2 J79 0434 09 B 2 CN736 L111 L113 L119 R152 C148 C151 C156 C158 C163 C167 C179 C180 C193 C414 R438 R452 C421 C423 R280 C466 C386 C467 R436 L109 L114 IC403 R310 C136 C140 C142 C144 D104 C165 D105 C190 C191 L223 R239 R326 R265 C320 R273 R276 R277 R279 C240 C241 R289 C251 R296 D205 C462 C273 C286 C298 R300 R301 C301 C317 Q402 L214 R208 CN200 BPF R220 R225 R230 R237 C220 C244 C248 ...

Page 105: ... CHANNEL AF VOL SELECTOR Side_2 Side_G PTT GND Side_1 CN401 ANT RXEI OPT9 NC OPT11 DGND AGND TXI OPT7 26P_TD DTI OPT5 AO OPT1 POW OPT8 26P_RD RXEO OPT10 AI OPT2 TXO OPT3 OPT6 OPT4 AGND 5V CS RES A0 WR D0 D1 D2 D3 D4 D5 D6 VDD D7 1 5V 1 20 RXD TXD UNIVERSAL CONNECTOR NC PF SP PTT EMC SSW 1 MSW SP ME OPT E 6KEY SP MIC ME EMC SP SP SP SP 6_ KEYI1 6_ KEYO2 BL_SB 6_ KEYO0 6_ KEYO1 BL_SB 6_ KEYI0 AGND C...

Page 106: ...15 15 15 15 15 15 15 15 16 16 16 16 16 16 16 16 16 16 16 14 14 17 17 17 17 17 17 17 17 17 18 18 18 18 18 18 18 18 18 18 18 19 19 19 19 20 20 21 21 21 A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A R437 470 L701 R748 10k DI GND PCA9535BS IC701 18 17 16 15 14 13 12 11 10 9 8 7 1 2 3 4 5 6 19 20 21 22 23 24 A0 P17 P16 P15 P1...

Page 107: ...3p C26 47p C34 L7 L6 C92 68n L30 R77 D14 L12 L29 100n C58 C52 D18 100k C65 Q6 2SC5383 T111 APC C169 100k 0 1u C168 1u 100p R166 1k VSS TC75W51FUF 47p 0 3 2 4 1 6 5 VDD IC4 7 8 C129 0 1u R135 2 2k R167 R168 120k 18k R170 220k R39 HSC119 D7 1 5k C53 L19 1SV282 F OP AMP VCO MOD APC C56 1u R44 R40 10k R42 470p 1SV325F D8 C51 100p 3 3u 220n L17 0 R72 47k 47k 47p 220n D12 1SV282 F D15 120n L25 1SV282 F ...

Page 108: ...5W51FK F 2 2 DI DAC IC703 M62364FP F 1 8 DAC IC703 M62364FP F 2 8 TCXO_MOD VCO_MOD TV1 TV2 MSW UDET PTT PFKEY 50U RXD3 IC417 TC7WH126FK 2 2 RXD0 RTS0 Q411 SSM6N16FE F NC BER_CLK BER_DATA BER_EN IC418 TC7WT125FUF IC415 TC7SET08FU F TXD0 SCTXD EMC 6_KEYO2 6_KEYO1 6_KEYO0 6_KEYI0 6_KEYI1 BL_SB CN23 CN405 KEY Matrix 6key OINT CN710 26pin Option Board OPT1 2 3 4 OPT5 6 7 8 11 TXO TXI RXEO RXEI DTI OPT9...

Page 109: ...oop Filter VCO MOD ASSIST CV Ripple Filter Q6 2SC5383 T111 T R SW Q7 SSM6L05FU F Q9 2SJ347F VC TCXO x3 Q201 2SC5108 Y F VC X1 19 2MHz 50IF TCXO_MOD SDO1 SCK1 PCS RF PLD CN400 50R DC SW SB3 LED_R LED_G D402 Q406 UMG9N EMG PTT Side1 Side2 Side_1 Side_2 Side_G PTT S1 Temp Sensor IC1 LM73CIMKX 0 33C SKY72300 362 IC2 LMC7101BIM5 IC4 TC75W51FUF 1 2 Q12 2SK879 F Y IC4 TC75W51FUF 2 2 5T 50C 50C 50C T_R D2...

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Kenwood NX-203, Service Manual

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