Kenwood TK-2402 Service Manual Download | Manualshive

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TK-2402(V)/2402/2406/2407

28

ADJUSTMENT

Item

Condition

Measurement

Adjustment

Specifi cations / Remarks

Test-

equipment

Unit

Terminal

Unit

Parts

Method

6. DQT

Deviation

*Note

1) TEST CH: Center
2) Deviation meter fi lter
    LPF: 3kHz
    HPF: OFF
3) PTT:  ON

Deviation
meter
Oscilloscope

ANT

FPU

0.35kHz

±40Hz

7. QT

Deviation

*Note

1) TEST CH: Center
2) Deviation meter fi lter
    LPF: 3kHz
    HPF: OFF
3) PTT:  ON

0.35kHz

±40Hz

8. DTMF

Deviation

*Note

1) TEST CH: Center
2) Deviation meter fi lter
    LPF: 15kHz
    HPF: OFF
3) PTT:  ON

1.5kHz

±50Hz

9. MSK

Deviation

*Note

1) TEST CH: Center
2) Deviation meter fi lter
    LPF: 15kHz
    HPF: OFF
3) PTT:  ON

1.5kHz

±50Hz

*Note (for the Max Dev, DQT Dev, QT Dev, DTMF Dev and MSK Dev):
1) If select the item without (Wide) or (Narrow), the alignment will be align according to Narrow Band. Wide band will automatically update by

calculation using Narrow band value.

2) If select the item with (Wide) or (Narrow),
(a) If wide band is selected, the alignment only will be done for wide band.
(b) If Narrow band is selected, the alignment only will be done for Narrow band.

Receiver Section

Item

Condition

Measurement

Adjustment

Specifi cations / Remarks

Test-

equipment

Unit

Terminal

Unit

Parts

Method

1. Sensitivity
(Semiauto-

matic)

1) TEST CH: Low, Center, High

(3 points)

  SSG otuput : –90dBm
  AF Freq : 1kHz
  Mod Dev : 1.5kHz

SSG
Oscilloscope
Audio
Analyzer

ANT

FPU

Press [Start]
(Auto tuning)

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Summary of Contents for TK-2402

Page 1: ...BLY FOR REPAIR 6 CIRCUIT DESCRIPTION 9 SEMICONDUCTOR DATA 14 COMPONENTS DESCRIPTION 15 PARTS LIST 16 EXPLODED VIEW 22 PACKING 23 ADJUSTMENT 25 PC BOARD TX RX UNIT X57 8310 10 30 SCHEMATIC DIAGRAM 34 BLOCK DIAGRAM 38 LEVEL DIAGRAM 40 SPECIFICATIONS 41 Helical antenna T90 1036 15 TK 2402 V TK 2402 Button knob SIDE1 SIDE2 K29 9613 03 Knob Selector K29 9615 03 Knob Volume K29 9614 03 Plastic cabinet a...

Page 2: ...rminated SHUT OFF and DO NOT operate this equipment near electrical blasting caps or in an explosive atmosphere This equipment should be serviced by a qualified techni cian only SERVICE This transceiver is designed for easy servicing Refer to the schematic diagrams printed circuit board views and alignment procedures contained within Model Type TX RX unit Frequency range Remarks TK 2402 v K X57 83...

Page 3: ...Used for communication between the trans ceiver and PC Data programming mode Used to read and write frequency data and other features to and from the transceiver PC test mode Used to check the transceiver using the PC This feature is included in the FPU Wireless clone mode Used to transfer programming data from one transceiver to another 2 How to Enter Each Mode Mode Operation User mode Power ON P...

Page 4: ... install the supplied CD ROM with driver software in the computer The KPG 22U driver runs under Windows XP Vista or 7 3 5 Programming Software Description The FPU is the programming software for the transceiver supplied on a CD ROM This software runs under windows XP Vista or 7 on a PC The software on this disk allows a user to program the transceiver via Programming interface cable KPG 22A 22U Us...

Page 5: ...o data will be available in the target unit when it is returned to User mode 9 When the cloning is successful the target unit s Scan and Key lock functions will return to their default values Scan OFF Key lock OFF Note The dealer can clone data to two or more transceivers by repeating the above procedures If the transceivers wireless clone Mode is configured as Disabled the transceiver cannot ente...

Page 6: ...ven screws g fixing the TX RX unit 2 Remove the solder of the antenna terminal with a solder ing iron h 3 Remove the solder of the positive terminal with a solder ing iron i Note You can remove the TX RX unit from the chassis without removing the solder at the positive terminal However in this case you can not attach the packing G53 2218 03 that is on the positive terminal to the chassis in assemb...

Page 7: ...ed in this state where the two tabs come below the case surface there is a possibility of damaging the two tabs A thin spring Shaft Tow tabs A thick spring a b d c 6 Assembling the Battery Release Lever 1 Place the lever b onto the stopper a 2 Place the thick spring c onto the lever 3 Hook the right and left ends of the thin spring d onto the tabs of the stopper then place the thin spring onto the...

Page 8: ...bly reposition the packing with your fingers a b c c 9 Attaching the Antenna Receptacle to the Chassis Screw the antenna receptacle to the chassis in the or der shown in the drawing so that the antenna receptacle comes to the center of the case hole Tighten this screw second Tighten this screw first 10 The Nuts of the Volume Knob and Channel Knob Note that the shapes colors and heights of nuts of ...

Page 9: ...aseband IC705 BPF1 BPF Q405 RF AMP XF400 MCF Q403 IF AMP IC709 AF PA INT BPF1 1st Local BPF CF401 2 1 Front End RF Amplifier Circuit The signal coming from the antenna passes through the transmit receive switching diode circuit D201 D202 D203 and D204 and a BPF L415 and L416 and is then ampli fied by the RF amplifier Q405 The resulting signal passes through a BPF L411 and goes to the mixer These B...

Page 10: ...speaker amplifier In the case of internal loudspeaker amplifier IC702 sends a high signal to the AFSW line and turns IC709 on through Q711 and Q714 3 Transmitter System 3 1 Microphone Amplifier Circuit The signal from the microphone is limited by the AGC circuit which is composed of D700 D701 Q705 Q706 and the mute switch Q704 IC705 is composed of a high pass filter low pass filter and pre emphasi...

Page 11: ...C is divided down and compared at the phase comparator The pulsed output signal of the phase comparator is applied to the charge pump and transformed into a DC signal in the loop filter LPF The DC signal is ap plied to the CV of the VCO and locked to keep the VCO fre quency constant PLL data is output from PLL_LE pin 72 PLL_DATA pin 73 PLL_CLK pin 74 and PLL_PS pin 70 of the MCU IC702 The data is ...

Page 12: ... 49 50 48 29 52 53 S1 Fig 8 Key input 6 Signaling Circuit 6 1 Encode Low speed data QT DQT Low speed data is output from pin2 of the MCU The sig nal passes through the low pass CR filter and goes to the audio processor IC705 The signal is mixed with the audio signal and goes to the VCO and TCXO X1 modulation in put after passing through the D A converter inside the audio processor IC705 for BAL ad...

Page 13: ...ion of the MCU 50C is a common 5V and is output when SAVE is not set to ON 50R is 5V for reception and output during reception 50T is 5V for transmission and output during transmis sion 50V is 5V for the SP MIC connector 33B is 3 3V for the baseband IC IC705 IC601 AVR IC703 AVR IC603 AVR Q601 50T SW Q602 50R SW IC702 MCU IC600 DET IC605 DET B SB BATT 33M 50R Q606 33MS SW 33MS 50T 50M 33B 50V F601 ...

Page 14: ...L I For Model check MCU F363BEDFEKDLF TX RX unit IC702 Pin No Signal Name I O Function 41 OPTDET I Option detection 42 GRNLED O Green LED light control Hi LED ON 43 REDLED O Red LED light control Hi LED ON 44 MIC_MT O MIC mute 45 EXTSPSW O Speaker mute 46 MINVOL O Minimum volume control 47 DICSW O APC voltage discharge switch 48 EN1 I Encoder detection 1 49 EN3 I Encoder detection 3 50 EN2 I Encod...

Page 15: ... FET RX RF amplifier Q600 TRANSISTOR DC switch BUSY LED Q601 FET DC switch 50T Ref No Use Function Operation Condition Q602 FET DC switch 50R Q603 FET DC switch MIN VOL Q604 605 TRANSISTOR DC switch TX BLUE LED Q606 FET DC switch 33MS Q701 702 TRANSISTOR Beat shift switch Q703 FET Level shift TXD Q704 TRANSISTOR MIC mute switch Q705 706 TRANSISTOR MIC AGC AMP Q707 FET Level shift RXD Q708 TRANSIST...

Page 16: ...J19 5579 03 HOLDER VE 46 3A J19 5580 03 HOLDER ASSY 47 2C J29 0734 15 BELT CLIP ACCESSORY 48 2B J82 0128 05 FPC VOL SEL 49 1A J99 0779 04 ADHESIVE SHEET PTT 51 1A K29 9612 03 BUTTON KNOB PTT 52 1A K29 9613 03 BUTTON KNOB PF 53 1A K29 9614 03 KNOB VOLUME 54 1A K29 9615 03 KNOB SELECTOR A 3A N09 6621 05 PAN HEAD SCREW B 2B N14 0849 05 CIRCULAR NUT VOL C 2B N14 0869 05 CIRCULAR NUT SEL D 2B N19 2214 ...

Page 17: ... CHIP C 39PF J C258 CK73HB1H102K CHIP C 1000PF K C259 CC73GCH1H120J CHIP C 12PF J C260 CC73GCH1H220J CHIP C 22PF J C262 CK73HB1A104K CHIP C 0 10UF K C263 CK73HB1H102K CHIP C 1000PF K C264 CK73GB1H102K CHIP C 1000PF K C268 CK73GB1H102K CHIP C 1000PF K C269 CK73HB1H102K CHIP C 1000PF K C270 CC73HCH1H100B CHIP C 10PF B C271 CC73GCH1H110J CHIP C 11PF J C272 CK73GB1H102K CHIP C 1000PF K C273 CC73GCH1H1...

Page 18: ...HIP C 0 010UF K C744 CK73GB0J106K CHIP C 10UF K C745 CK73HB1A104K CHIP C 0 10UF K C746 CK73HB1H102K CHIP C 1000PF K C747 CK73HB1H152K CHIP C 1500PF K C748 CK73HB1A105K CHIP C 1 0UF K C749 750 CC73HCH1H101J CHIP C 100PF J C751 CC73HCH1H680J CHIP C 68PF J C755 CK73HB1H391K CHIP C 390PF K C756 CK73HB1A105K CHIP C 1 0UF K C757 CK73FB0J226M CHIP C 22UF M C758 CK73HB0J475M CHIP C 4 7UF M C759 CK73HB1A10...

Page 19: ...1J102J CHIP COM 1 0K J 1 16W CP23 RK75HA1J473J CHIP COM 47K J 1 16W CP24 RK75HA1J102J CHIP COM 1 0K J 1 16W CP26 RK75HA1J473J CHIP COM 47K J 1 16W CP27 RK75HA1J474J CHIP COM 470K J 1 16W CP28 RK75HA1J103J CHIP COM 10K J 1 16W R1 2 RK73HB1J103J CHIP R 10K J 1 16W R4 RK73HB1J121J CHIP R 120 J 1 16W R7 RK73HB1J562J CHIP R 5 6K J 1 16W R8 RK73HB1J331J CHIP R 330 J 1 16W R9 RK73HB1J103J CHIP R 10K J 1 ...

Page 20: ...K J 1 16W R606 607 RK73HB1J104J CHIP R 100K J 1 16W R608 RK73GB2A271J CHIP R 270 J 1 10W R609 RK73HB1J102J CHIP R 1 0K J 1 16W R610 613 RK73HB1J104J CHIP R 100K J 1 16W R614 RK73HH1J824D CHIP R 820K D 1 16W R615 RK73HH1J394D CHIP R 390K D 1 16W R694 RK73HB1J100J CHIP R 10 J 1 16W R701 702 RK73HH1J103D CHIP R 10K D 1 16W R703 RK73HB1J103J CHIP R 10K J 1 16W R705 RK73HB1J103J CHIP R 10K J 1 16W R708...

Page 21: ...ODE D703 MC2850 DIODE D704 705 HSC277 DIODE IC1 TC75S51FE F MOS IC IC2 MB15E03SL E1 MOS IC IC3 BD7542FVM MOS IC IC200 NJM12904RB1 MOS IC IC401 NJM2591V BI POLAR IC IC600 XC61CN4502M G MOS IC IC601 XC6209B502P G MOS IC IC602 MM1856A50N BI POLAR IC IC603 XC6209B502P G MOS IC IC604 MM1856A33N BI POLAR IC IC605 BU4830F MOS IC IC700 EX25064ATA00A ROM IC IC702 F363BEDFEKDLF MCU IC703 MM1856A33N BI POLAR...

Page 22: ... 05 C N14 0869 05 D N19 2214 05 E M2 6 x 4 N30 2604 48 F M2 x 5 N83 2005 48 Fx12 A M2 x 5 N09 6621 05 14 15 20 21 26 32 46 51 Model name plate CF401 22 29 30 Parts with the exploded numbers larger than 700 are not supplied If a part reference number is listed in a box on the exploded view of the PCB that part does not come with the PCB These parts must be ordered separately 6 ...

Page 23: ...9 00 K K1 P 705 Protection bag 58 AC adapter W08 1247 25 K K1 47 Belt hook J29 0734 05 43 Holder SP MIC J19 5577 03 4 Cap B09 0758 03 55 Screw set N99 2089 05 41 Packing fixture H12 4319 05 42 Item carton case H52 2589 01 703 Battery assy 704 Pamphlet K K1 P 59 Charger W08 1249 35 K K1 B62 2481 00 M1 W08 1326 05 P 57 Helical antenna T90 1036 15 K K1 P W08 1327 05 M1 W08 1331 05 P M1 12 Stopper SEL...

Page 24: ...rs larger than 700 are not supplied 3 2 1 D C 8 Instruction manual 705 Protection bag 47 Belt hook J29 0734 05 48 Holder SP MIC J19 5577 03 4 Cap B09 0758 03 55 Screw set N99 2089 05 B62 2480 00 709 Item carton case 706 Protection bag 12 Stopper SEL D32 0456 03 706 Pamphlet ...

Page 25: ... Regulated Power Supply 5V to 10V approx 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 Repair Jig Chassis Use jig Chassis for repairing the transceiver Place the TX RX unit on t...

Page 26: ...59D 10 None DTMF Code 9 11 None MSK 1010 12 FleetSync 100 1000 FleetSync 100 1000 13 None Single Tone 1000Hz 14 2 Tone A 304 7Hz B 3106 0Hz 2 Tone A 304 7Hz duration 1sec B 3106 0Hz duration 3sec 15 None DTMF Tone 1477Hz 16 Single Tone 979 9Hz Single Tone 979 9Hz Duration 5 sec 17 None MSK PN9 18 None DTMF Code 3 Preparations for Tuning the Transceiver Before attempting to tune the transceiver con...

Page 27: ...cations Remarks Test equipment Unit Terminal Unit Parts Method 1 Frequency 1 TEST CH Center PTT ON f counter ANT TX RX FPU 155 100MHz 50Hz 2 High Power 1 TEST CH Low Low Center High High 5 points 2 BATT terminal voltage 7 5V 3 PTT ON Power meter Ammeter FPU 5 0W 0 1W 2 0A or less 3 Low Power 1 TEST CH Low Center High 3 points 2 BATT terminal voltage 7 5V 3 PTT ON 1 0W 0 1W 1 0A or less 4 DQT Balan...

Page 28: ...PF 15kHz HPF OFF 3 PTT ON 1 5kHz 50Hz Note for the Max Dev DQT Dev QT Dev DTMF Dev and MSK Dev 1 If select the item without Wide or Narrow the alignment will be align according to Narrow Band Wide band will automatically update by calculation using Narrow band value 2 If select the item with Wide or Narrow a If wide band is selected the alignment only will be done for wide band b If Narrow band is...

Page 29: ...kHz Mod Dev 3 0kHz Narrow 1 TEST CH Low Center High 3 points 2 SSG otuput 114dBm AF Freq 1kHz SSG MOD 1 5kHz 4 Low RSSI Note Wide 1 TEST CH Low Center High 3 points 2 SSG otuput 120dBm AF Freq 1kHz Mod Dev 3 0kHz Narrow 1 TEST CH Low Center High 3 points 2 SSG otuput 120dBm AF Freq 1kHz SSG MOD 1 5kHz 5 High RSSI Note Wide 1 TEST CH Low Center High 3 points 2 SSG otuput 80dBm AF Freq 1kHz Mod Dev ...

Page 30: ... R7 C729 R768 C735 R773 R774 R775 C740 C741 C742 R780 R783 C747 R784 R785 R786 R787 R789 R790 C756 Q601 C R795 Q602 R796 Q606 D700 D701 D702 D703 C763 C764 C765 C766 C767 C768 C769 L600 C770 C771 C772 C774 C775 C777 CN1 CN2 IC700 1 4 8 5 C780 IC702 1 20 21 40 80 61 60 41 C782 IC706 1 3 5 4 C787 C790 TX RX UNIT X57 8310 10 Component side view J79 0359 09 Ref No Address Ref No Address Ref No Address...

Page 31: ...03 R705 R718 R719 R723 R725 R726 R732 C704 R744 R746 C717 R757 R759 C720 F601 R760 C724 R761 R762 R763 R765 R767 R768 R769 C730 C732 R770 C734 C735 R772 C737 C743 C744 C745 C746 C747 R784 C748 Q209 C749 R789 Q210 C750 C751 C756 R792 C757 R793 Q600 C758 R794 C759 Q603 Q604 Q605 D700 C760 701 C761 C764 C767 L601 C770 C775 C778 C779 C781 IC703 1 3 5 4 C783 C784 IC705 1 12 36 37 48 24 13 25 C785 C786 ...

Page 32: ... C482 C483 J601 R751 R755 C736 C739 Q201 Q203 Q205 R781 Q206 D S G R782 Q207 Q208 G D R788 Q405 L204 L205 L206 L207 L208 L209 C762 L212 L213 L216 L217 L218 L219 L4 L41 L220 L415 L221 L416 L222 L223 L420 IC704 1 3 5 4 R205 R207 TXD NC MICIN MICO 50V OPTDET PTT RXD NC SPO AE C277 PC BOARD TX RX UNIT X57 8310 10 Foil side view J79 0359 09 Ref No Address Ref No Address Ref No Address Ref No Address Re...

Page 33: ...1 C2 C3 C4 C440 C5 C441 C6 C442 C7 C443 C8 C444 C9 C445 C446 C447 D1 D3 D4 C450 D5 C452 D7 C453 D8 C454 D9 C455 C456 C457 C458 C459 C460 D401 C461 D402 4 C465 Q703 Q708 IC401 1 8 16 9 C484 L702 D10 D11 D12 D13 D14 D15 CF401 L1 L2 CP26 L3 L4 R702 L7 L8 L9 L10 L11 L13 L14 L15 L16 L17 L21 L23 L24 IC1 1 3 5 4 L25 IC2 1 8 16 9 L26 IC3 1 4 8 5 R10 R11 R12 R13 R16 R17 R18 R740 R19 L40 L41 L42 L43 R20 R21...

Page 34: ...601 1u C607 1u C18 1000p R615 390k C616 1000p R2 10k C605 1u F600 IC604 MM1856A33N 1 2 VIN GND 3 CoNT 4 NC 5 VoUT C603 1u R610 100k S601 R607 100k R614 820k R603 100 C628 1000p C625 1000p C620 1000p S602 S603 IC2 MB15E03SL E1 1 oSCIN 2 oSCoUT 3 VP 4 VCC 5 Do 6 GND 7 XFIN 8 FIN 9 10 DATA 11 12 PS 13 14 LD FoUT 15 CLoCK LE ZC P 16 R R13 10 L2 C22 1000p C23 0 01u C21 1000p C17 0 01u R12 4 7k C14 0 1u...

Page 35: ...LED 44 MIC_MT MIC_MT 45 EXTSPSW OPTDET EXTSPSW 46 MINVOL MINVOL 47 DICSW 48 EN1 49 EN3 50 EN2 51 EN4 52 PF1 53 PF2 EN1 EN3 EN2 EN4 PF1 PF2 54 APCSW 55 SCLK_EEP 56 SDATA_O_EEP 57 EEP_WP 58 SDATA_I_EEP 59 EEP_CS 60 TH_DET 61 QT DQT IN 62 HSDDEC 63 BATT 64 CVIN 65 BUSY 66 RSSI RSSI 67 VOX 68 NC 69 NC 70 PLL_PS 71 PLL_UL 72 PLL_LE 73 PLL_DATA 74 PLL_CLK 75 AVSS 76 WIDE NARROW 77 VREF 78 AVCC 79 ASSTSW...

Page 36: ...C80 22p C409 82p L17 C402 33p C742 1000p IC705 CD686AQ3 1 EPSI 2 EPSCLK 3 EPSo 4 EPSCSN 5 BooTEN1 6 BooTEN2 7 DVSS1 8 IRQN 9 VDEC9 10 GPIo1 11 GPIoA 12 GPIoB 13 SYSCLoCK1 14 DVSS2 15 GPIo2 16 DISC 17 DISCFB 18 ALT 19 ALTFB 20 MICFB 21 MIC 22 AVSS1 23 MoD1 24 MoD2 25 VBIAS 26 AUDIooUT 27 AUXADC1 28 AUXADC2 29 AUXADC3 30 AUXADC4 31 AVDD 32 AUXDAC1 33 AUXDAC2 34 AVSS2 35 AUXDAC3 36 AUXDAC4 37 DVSS3 3...

Page 37: ...150k D204 HVC131 R226 4 7k C784 2 2u R793 1 8k C226 1000p C762 1000p C276 6p R232 56k C461 1000p C787 0 1u C466 1000p D200 UDZW5 1 B R781 6 8k R247 100k C440 3p R442 470k C218 0 1u C436 2p C789 100p C468 0 1u R422 4 7k R215 470 R235 1 8k C481 33p R436 100k R421 100 R249 270 C225 1000p R231 0 39 L212 Q707 UPA672T A C805 1000p C460 1p R222 0 R815 100 C782 1000p C259 12p R810 330k C483 20p C220 18p R...

Page 38: ...C 50CC IC603 XC6209B502P G 50V 50VC D600 RB521S 30 33M Q606 SSM3J36TUT IC600 XC61CN4502M G INT D605 RKZ5 1B2KG RESET IC605 BU4830F 33MSC 33MS D603 GN1G BATT 7 5V EN2 EN4 EN3 EN1 PTT RXD PF1 PF2 SB D604 B30 1790 05 B30 2315 05 D602 D601 B30 2314 05 Q600 LTC014EEBFS8 BLULED GRNLED REDLED KT SCLK_EEP SDATA_I_EEP BSHIFT 19 2MHz IC702 F363BEDFEKDLF IC700 EX25064ATA00A CML_IRQ CML CSN SC SDATA_I_CML SDA...

Page 39: ...E Y GR X700 XOUT XIN HIFT MHz IC704 BU7465HFV AUXDAC2 33MS 33B CSN SCLK_CML SDATA_O_CML MICFB Q706 2SA1586 Y GR F Q705 2SC4116 GR F VOX IC706 BU7465HFV D702 1SS302 D703 MC2850 MIC VOLOUT DETAF IC707 TA7368PF Q713 2SK3577 A Q716 2SK3577 A Q710 2SB1694 Q714 2SB1132 Q R SB 50M Q712 LTC044EEBFS8 EXTSPSW INTSPSW 1st Local 50T APCSW 2nd Local 38 4MHz 136MHz 174MHz ANT CVADJ Freq HSDENC AUXDAC2 PC 174 85...

Page 40: ... 117 0dBm N 116 0dBm W 101 5dBm N 101 5dBm W 109 0dBm N 109 0dBm W 118 0dBm N 118 0dBm G1 D G1 D W 121 0dBm N 120 5dBm 21 IC705 BASEBAND IC CML 20 24 Q9 Q10 C268 Q208 FINAL FET D203 D204 Q201 PRE DRIVE AMP 20 W N 87 2mVrms W 138 3mVrms N 69 1mVrms TX VCO H 5W L 1W C219 Q206 DRIVE FET 12dBm H 17dBm L 10dBm To make measurements in the AF section connect the AC level meter ANT input 53dBm 1kHz FM 1 5...

Page 41: ...13 W x 122 4 8 H x 33 7 1 32 D mm in 281g 9 9oz RECEIVER Measurements mode per TIA EIA 603 Sensitivity EIA 12dB SINAD 0 25µV Wide 0 28µV Narrow Adjacent CH Selectivity 70dB Wide 60dB Narrow Intermodulation Distortion 70dB Wide 60dB Narrow Spurious Response 70dB Audio Output 500mW at 8Ω less than 10 distortion External speaker 1 0W at 12Ω less than 10 distortion Internal speaker TRANSMITTER Measure...

Page 42: ...TK 2402 V 2402 2406 2407 ...

Page 43: ...65 C729 R767 R768 R769 C730 C732 R770 C734 C735 R772 R773 C737 R774 R775 C740 C741 C742 C743 R780 C744 C745 C746 R783 C747 R784 C748 Q209 R785 C749 R786 R787 R789 Q210 C750 C751 R790 C756 R792 C757 R793 Q600 C758 R794 Q601 C759 R795 Q602 R796 Q603 Q604 Q605 Q606 D700 C760 D701 C761 D702 D703 C763 C764 C765 C766 C767 C768 C769 L600 L601 C770 C771 C772 C774 C775 C777 C778 CN1 C779 CN2 IC700 1 4 8 5 ...

Page 44: ...03 C280 C474 C475 Q707 Q708 C478 IC401 1 8 16 9 C481 C482 C483 C484 L702 D10 D11 D12 D13 D14 D15 J601 CF401 L1 L2 CP26 L3 L4 R702 L7 L8 L9 L10 L11 L13 L14 L15 L16 L17 L21 L23 L24 IC1 1 3 5 4 L25 IC2 1 8 16 9 L26 IC3 1 4 8 5 R10 R11 R12 R13 R16 R17 R18 R740 R19 L40 L41 L42 L43 R20 R21 R22 R23 R24 Q1 R25 Q2 R26 Q3 R27 Q4 R28 Q5 R751 Q6 Q7 D S G S G D Q8 Q9 R755 R30 R31 R32 R33 R34 R1 R35 R2 R36 R37 ...

Page 45: ... 1u R781 6 8k R732 68 R247 100k KTC4075E Y GR Q4 C440 3p TXD C18 1000p C734 10u R442 470k C218 0 1u C737 1u C436 2p C789 100p C468 0 1u R422 4 7k R215 470 R615 390k R235 1 8k C481 33p R785 2 7k C210 0 22u R27 10k R415 100 C616 1000p R436 100k R2 10k C718 0 1u C418 0 01u R421 100 C758 4 7u R757 47k C710 1000p C768 2 2u C767 2 2u C605 1u C416 10u F600 D703 MC2850 IC604 MM1856A33N 1 2 VIN GND 3 CoNT ...

Page 46: ...03 GN1G BATT 7 5V EN2 EN4 EN3 EN1 PTT RXD PF1 PF2 SB D604 B30 1790 05 B30 2315 05 D602 D601 B30 2314 05 Q600 LTC014EEBFS8 BLULED GRNLED REDLED Q701 Q702 KTC7045E Y GR X700 XOUT XIN SCLK_EEP SDATA_I_EEP BSHIFT 19 2MHz IC702 F363BEDFEKDLF IC700 EX25064ATA00A IC704 BU7465HFV AUXDAC2 33MS 33B CML_IRQ CML CSN SCLK_CML SDATA_I_CML SDATA_O_CML MICFB Q706 2SA1586 Y GR F Q705 2SC4116 GR F VOX IC706 BU7465H...

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