Kenwood TK-3202 Service Manual Download Page 32

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PTT/RXD

R228

R238

C52

C53

C54

R240

R241

R243

C57

R244

C59

R248

R249

C60

C62

C91

R251

R253

R254

R255

C69

R256

R257

R258

C70

C72

R452 R453

C75

C230

C237

C244

C245

C247

C249

C250

C444

C251

C252

C248

C246

C253

C254

C255

C256

C257

C258

Q100

C259

Q101

Q102

Q103

C262

D203

C263

C292

D204

D205

C265

D206

C266

C267

C268

C269

L100

L101

L102

L103

D210

C270

L104

L105

C271

C272

L106

C273

L107

C274

C275

L109

C276

L110

R103

R105

R106

R107

D10

R110

R111

R112

R114

R115

R116

R120

R123

R124

R137

L13

L16

TH101

L19

C107

R337

C108

R145

R147

L22

C110

C111

C112

C113

R343

C116

C119

C121

C122

C123

C124

C125

C127

C128

C129

C130

C132

C133

C134

C135

C136

C338

R34

C145

C339

R35

R36

C149

R40

C151

C152

R190

C154

C293

C348

R191

R192

C156

R193

C157

R194

C158

C159

C160

C161

C163

D103

C164

D104

C166

D106

C168

C169

Q205

D122

L211

L212

L214

L215

C190

C191

L410

L220

L223 or

L412

L224

L225

L226

L228

L229

L230

J79-0045-09

J301

EXT. SP/EXT. MIC

TXD

SPI

SPO

5MS

OPTDET

MIC

MICIN

PTT

SW1

SW2

TK-3202

PC BOARD

TX-RX UNIT (X57-6892-XX) -71 : E -72 : E3
Foil side view (J79-0045-09)

Ref. No. Address

IC201

IC401

IC402

IC407

Ref. No. Address

Q100

Q101

Q102

Q103

Ref. No. Address

Q203

Q204

Q205

Q403

Q404

Q405

10M

Ref. No. Address

10L

D10

D101

Ref. No. Address

D103

D104

D106

D122

D202

D203

D204

D205

Ref. No. Address

D206

D210

D401

D402

Summary of Contents for TK-3202

Page 1: ...ing or otherwise for any purpose without the prior written permission of Kenwood Disclaimer While every precaution has been taken in the preparation of this manual Kenwood assumes no responsibility for errors or omissions Neither is any liability assumed for damages resulting from the use of the information contained herein Kenwood reserves the right to make changes to any products herein at any t...

Page 2: ...12 PARTS LIST 13 EXPLODED VIEW 20 PACKING 21 ADJUSTMENT 22 PC BOARD TX RX UNIT X57 6892 XX 28 SCHEMATIC DIAGRAM 32 BLOCK DIAGRAM 36 LEVEL DIAGRAM 38 KBH 10 BELT CLIP 39 KSC 31 RAPID CHARGER 39 KNB 29N Ni MH BATTERY PACK 39 SPECIFICATIONS BACK COVER CONTENTS Does not come with antenna Antenna is available as an option Antenna KRA 23 27 Option Knob CH K29 9318 03 Knob VOL K29 9309 03 Badge B43 1156 ...

Page 3: ...ctors are verified se cure and any open connectors are properly terminated SHUT OFF and DO NOT operate this equipment near elec trical blasting caps or in an explosive atmosphere This equipment should be serviced by a qualified techni cian only SERVICE This radio is designed for easy servicing Refer to the schematic diagrams printed circuit board views and align ment procedures contained within Un...

Page 4: ...the red LED lights When data is received by the transceiver the green LED lights Notes The data stored in the personal computer must match the model type when it is written into the EEPROM Change the transceiver to PC mode then attach the inter face cable 3 3 KPG 22 description PC programming interface cable Option The KPG 22 is required to interface the transceiver with the computer It has a circ...

Page 5: ...ve terminal However in this case you can not attach the packing G53 1605 03 that is on the positive terminal to the chas sis in assembling So it is advisable to remove the solder on the positive terminal first 6 Remove the FPC from the flat cable connector 7 Lift and remove the TX RX unit from the chassis Attaching the Battery Release Lever to the Case Assembly 1 Insert one side of the shaft into ...

Page 6: ... hole 3 Mount the holder assembly into the packing of the posi tive terminal Mounting the chassis to the case assembly 1 Confirm that the waterproof packing attached to the cir cumference of the chassis is securely inserted in the groove of the chassis 2 Twist the speaker wires twice then attach the speaker to the speaker recess of the case assembly Make sure the speaker is securely inserted 3 Ins...

Page 7: ...first IF is 38 85MHz and the second IF is 450kHz The first local oscil lator signal is supplied from the PLL circuit The PLL circuit in the transmitter generates the necessary frequencies Fig 1 shows the frequencies Fig 2 Receiver section 2 Receiver The frequency configuration of the receiver is shown in Fig 2 ANT ANT SW BPF PCTV RF AMP Q205 MIXER Q204 IF AMP Q203 BPF PCTV 1st Local MCF XF201 IC20...

Page 8: ...ved Q202 turn on When a NARROW high level data is received Q202 turn off Q202 turns off on with the Wide Narrow data and the IC201 detector output level is switched to maintain a con stant output level during wide or narrow signals Q202 R211 R213 C214 CD201 QUAD IFOUT IC201 FM IF SYSTEM RX_W N IC405 L Wide 5k 4k H Narrow AFOUT Q203 5R Fig 3 Wide 5k Wide 4k Narrow switching circuit Audio Amplifier ...

Page 9: ...the microphone input signal by IC301 The signal passes through the Audio processor IC301 for the maximum deviation adjustment and goes to the VCO modulation input D4 7 Q4 TX VCO D5 9 Q3 RX VCO Q6 BUFF AMP Q9 RF AMP Q2 BUFFER LPF LPF Q5 7 T R SW RX TX REF OSC 1 M 1 N Phase comparator Charge pump 5kHz 6 25kHz 5kHz 6 25kHz PLL DATA X1 12 8MHz IC1 PLL IC Fig 5 PLL circuit AGC LPF LPF VCO LPF TCXO MIC ...

Page 10: ...cuit The microprocessor IC405 operates at a clock of 7 3728 MHz This oscillator has a circuit that shifts the frequency by BEAT SHIFT SW Q407 Q408 A beat sound may be able to be evaded from generation if Beat Shift is set to ON when it is generated in the internal spurious transmission modulated sound of a transceiver Memory Circuit Memory circuit consists of the CPU IC405 and an EEPROM IC406 An E...

Page 11: ...witched B 3 SP1 I Audio input 4 SP2 O Audio output 5 GND GND 6 EN1 I Encoder pulse input 7 EN2 I Encoder pulse input 8 GND GND 9 EN3 I Encoder pulse input 10 EN4 I Encoder pulse input 11 EN5 I Encoder pulse input CIRCUIT DESCRIPTION TERMINAL FUNCTION 7 Control System Keys and channel selector circuit The signal from the keys and channel selector are directly input to the microprocessor as shown in...

Page 12: ...35 DCSW O APC voltage discharge switch 36 TX_W N O TX Wide Narrow switch 37 RX_SW O RX VCO switch 38 TX_SW O TX VCO switch 39 GND GND 40 PLL_UL I PLL unlock detect input 41 PLL_STB O PLL strobe output Pin No Name I O Function 42 PLL_DAT O PLL data output 43 PLL_CLK O PLL clock output 44 VCC 5V 45 RX_W N O RX Wide Narrow switch 46 50 EN5 EN1 I Channel selector input 51 OPTDET I Headset input detect...

Page 13: ...sistor MIC AGC Q303 Transistor DC switch SP mute Q304 Transistor DC switch Q305 Transistor DC switch SP mute Ref No Use Function Operation Condition Q306 FET SP mute switch Q316 FET SP mute switch Q401 Transistor LED switch Red Q402 Transistor LED switch Green Q403 FET 5T switch Q404 FET 5R switch Q405 Transistor 5C switch Q407 408 FET Beat shift switch Q901 FET W N switch TX D1 Diode Ripple filte...

Page 14: ...30 470 750 Tolerance More than 10pF 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 Voltage rating 2nd word A B C D E F G H J K V 1st word 0 1 0 1 25 1 6 2 0 2 5 3 15 4 0 5 0 6 3 8 0 1 10 12 5 16 20 25 31 5 40 50 63 80 35 2 100 125 160 200 250 315 400 500 630 800 3 1000 1250 1600 2000 2500 2150 4000 5000 6300 8000 CHIP CAPACITORS EX C ...

Page 15: ...TON KNOB SIDE1 SIDE2 55 1A K29 9308 13 BUTTON KNOB PTT 56 1B K29 9309 03 KNOB VOLUME 57 1B K29 9318 03 KNOB CH A 2B N14 0819 04 CIRCULAR NUT VOLUME B 2B N14 0820 04 CIRCULAR NUT CH C 2A 2B N30 2604 48 PAN HEAD MACHINE SCREW D 3A N30 2606 48 PAN HEAD MACHINE SCREW E 2A 2B N83 2005 48 PAN HEAD TAPTITE SCREW 59 1D N99 2046 05 SCREW SET ACCESSORY 61 2B R31 0653 05 VARIABLE RESISTOR 63 2B S60 0428 15 R...

Page 16: ...CHIP C 470PF K C129 CK73GB1H471K CHIP C 470PF K C130 CK73HB1H471K CHIP C 470PF K C132 CC73GCH1H220J CHIP C 22PF J E C132 CC73GCH1H390J CHIP C 39PF J E3 C133 CK73GB1H471K CHIP C 470PF K C134 CK73GB1H103K CHIP C 0 010UF K C135 CK73GB1C104K CHIP C 0 10UF K C136 CK73GB1A105K CHIP C 1 0UF K C138 CK73GB1H102K CHIP C 1000PF K C140 CC73GCH1H101J CHIP C 100PF J C145 CC73GCH1H200J CHIP C 20PF J E C145 CC73G...

Page 17: ...C 1 0UF K C316 CK73GB1C104K CHIP C 0 10UF K C317 CK73HB1A104K CHIP C 0 10UF K C318 C92 0714 05 CHIP TAN 4 7UF 6 3WV C319 CC73GCH1H271J CHIP C 270PF J C320 CK73HB1C103K CHIP C 0 010UF K C321 CK73GB1A105K CHIP C 1 0UF K C322 CK73HB1C153K CHIP C 0 015UF K C323 CC73GCH1H820J CHIP C 82PF J C324 CC73HCH1H820J CHIP C 82PF J C325 CK73HB1A104K CHIP C 0 10UF K C326 CK73HB1H102K CHIP C 1000PF K C327 CC73HCH1...

Page 18: ...75 92 SMALL FIXED INDUCTOR 18NH L290 L41 3078 17 SMALL FIXED INDUCTOR 30NH E L301 L92 0140 05 CHIP FERRITE L302 L92 0149 05 CHIP FERRITE L401 L92 0149 05 CHIP FERRITE L402 404 L92 0138 05 CHIP FERRITE L410 L92 0138 05 CHIP FERRITE L411 L40 1875 92 SMALL FIXED INDUCTOR 18NH L412 L34 4564 05 AIR CORE COIL E3 X1 L77 1931 05 TCXO 12 8MHZ X3 L77 1633 05 CRYSTAL RESONATOR 7 3728MHZ XF201 L71 0637 05 MCF...

Page 19: ...16W R258 RK73FB2B000JX CHIP R 0 0 J 1 8W R301 RK73HB1J103J CHIP R 10K J 1 16W R304 RK73HB1J273J CHIP R 27K J 1 16W R305 RK73HB1J104J CHIP R 100K J 1 16W R306 RK73HB1J102J CHIP R 1 0K J 1 16W R307 308 RK73HB1J000JX CHIP R 0 0 J 1 16W R310 RK73GB2A394J CHIP R 390K J 1 10W R311 RK73HB1J123J CHIP R 12K J 1 16W R312 RK73GB2A334J CHIP R 330K J 1 10W R313 RK73GB2A104J CHIP R 100K J 1 10W R314 RK73GB2A103...

Page 20: ...IODE D210 HVC355B VARIABLE CAPACITANCE DIODE D301 302 RB706F 40 DIODE D303 DAN222 DIODE D401 RB521S 30 DIODE D402 1SR154 400 DIODE IC1 MB15A02PFV2E1 MOS IC IC101 TA75W01FUF MOS IC IC201 TA31136FNG MOS IC IC301 AQUA L MOS IC IC302 TA7368F MOS IC IC401 402 XC6204B502MR MOS IC IC403 BD4840FVE MOS IC IC404 BD4845FVE MOS IC IC405 30622MAA B97GU MICROCONTROLLER IC IC406 BR24L08F W ROM IC IC407 TC7W74FU ...

Page 21: ... 40 24 26 MIC301 101 CF201 31 52 41 15 48 36 30 25 3 35 20 32 29 28 16 34x2 50 7 37 49 39 17 18 65 61 63 B A C C Ex2 Ex9 X57 X57 TX RX unit Dx2 E 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 ...

Page 22: ...et N99 2046 05 47 Holder SP MIC J19 5472 03 44 Protection bag H25 0085 04 43 Packing fixture H12 3179 05 6 Cap SP MIC B09 0680 03 51 Belt clip J29 0713 05 45 Item carton case H52 2130 02 Caution card Pamphlet Parts with the exploded numbers larger than 700 are not supplied ...

Page 23: ...rox 8Ω 3W 14 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 part No A10 4086 03 for repairing the trans ceiver ...

Page 24: ...ransceiver connect the unit to a suitable power supply Whenever the transmitter is tuned the unit must be con nected to a suitable dummy load i e power meter The speaker output connector must be terminated with a 8W dummy load and connected to an AC voltmeter and an audio distortion meter or a SINAD measurement meter at all times during tuning Adjustment Frequency MHz Test CH E E3 RX TX RX TX Low ...

Page 25: ...mmeter M2 2 0A or less BATT terminal voltage 7 5V PTT ON 3 Low power 1 Test CH Low Low Center 1 0W 0 1W adjustment High High 5 points 1 0A or less BATT terminal voltage 7 5V PTT ON 4 Maximum 1 Test CH Center Low High Power meter Panel ANT 4 2kHz 80Hz deviation 3 points According to the adjustment AG 1kHz 150mV Deviation SP MIC larger Wide 5k Deviation meter filter meter connector LPF 15kHz Oscillo...

Page 26: ... 0 70kHz 40Hz PTT ON Narrow 3 Test CH Center 0 45kHz 40Hz PTT ON 9 DQT 1 Test CH Center Low High 0 75kHz 40Hz deviation 3 points adjustment Deviation meter filter Wide 5k LPF 3kHz HPF OFF PTT ON Wide 4k 2 Test CH Center 0 60kHz 40Hz PTT ON Narrow 3 Test CH Center 0 35kHz 40Hz PTT ON Receiver Section 1 BPF wave 1 Center frequency SSG Panel ANT PC KPG 87D Adjust the wave adjustment Spectrum analyzer...

Page 27: ... 5k SSG MOD 3 0kHz DVM SP MIC Oscilloscope connector Wide 4k 2 Test CH Low Center High AF VTVM SSG output 114dBm 0 45µV SSG MOD 2 4kHz Narrow 3 Test CH Center SSG output 112dBm 0 56µV SSG MOD 1 5kHz 3 SQL1 1 Test CH Low Center High PC KPG 87D Write Squelch open Threshold SSG output 122dBm 0 18µV M2 writing SSG MOD 3 0kHz Wide 5k Wide 4k 2 Test CH Center SSG output 122dBm 0 18µV SSG MOD 2 4kHz Narr...

Page 28: ...nter 469 9MHz Res BW 100kHz Mkr1 470 0MHz 39 67dBm Ref 30dBm Peak Log 5 dB Atten 10dB W1 S3 S2 FC AA Span 80MHz Sweep 80ms 401pts VBW 30kHz Center 400 1MHz Res BW 100kHz Mkr1 400 1MHz 39 58dBm Ref 34dBm Peak Log 5 dB Atten 10dB W1 S3 S2 FC AA Span 100MHz Sweep 100ms 401pts VBW 30kHz Center 415 1MHz Res BW 100kHz Mkr1 415 1MHz 40 21dBm Ref 34dBm Peak Log 5 dB Atten 10dB W1 S3 S2 FC AA Span 100MHz S...

Page 29: ...319 R16 R357 R18 R19 C320 C321 C322 C323 C324 R20 R360 C325 R21 C326 R22 C327 C328 C329 R R26 F401 Q8 C330 C331 C332 C333 R30 R31 R1 R2 R3 R4 R5 R6 R8 R9 R42 VR1 C351 C352 C354 Q202 D301 D302 D303 Q407 Q408 L401 L402 L403 L404 IC301 C10 C11 C13 R203 C19 R206 BATT 5R 5T 5M 1 1 3 3 4 4 5 5 75 76 1 100 25 26 50 51 1 9 10 16 17 25 26 32 G G D D S S RSSI PCTV 5C IC406 1 4 5 8 LV BPF MIC301 IC1 1 11 20 ...

Page 30: ...334 R140 R335 R141 R336 R142 R143 R338 R339 R340 R341 R342 R344 R345 R346 R347 R348 R349 C126 R25 R26 C138 Q8 C334 C140 30 C335 31 C336 C146 C148 C340 C341 C342 C343 C344 C345 C346 R42 D102 Q401 Q402 IC101 BPF MIC301 D S G Q105 S G D 1 4 5 8 SP 5MS OPTDET MIC MICIN PTT RXD SP TXD AE SPI SPO NC B 1 11 CN401 SB IC302 1 5 6 10 D D G G S S CN13 ANT J79 0045 09 Q901 S G D EN5 EN4 EN3 GND EN2 EN1 GND AF...

Page 31: ...R18 R19 C320 C321 C322 C323 C324 R20 R360 C325 R21 C326 R22 C327 C328 C329 R25 R26 C138 F401 Q8 C330 C331 C332 C333 C334 C140 R30 C335 R31 C336 R1 R2 C146 R3 R4 C148 R5 R6 R8 C340 R9 C341 C342 C343 C344 C345 C346 R42 VR1 C351 C352 C354 D102 Q202 D301 D302 D303 Q401 Q402 Q407 Q408 IC101 L401 L402 L403 L404 IC301 C10 C11 C13 R203 C19 R206 BATT 5R 5T 5M 1 1 3 3 4 4 5 5 75 76 1 100 25 26 50 51 1 9 10 ...

Page 32: ...C134 C135 C136 Q5 C338 R34 C145 C339 R35 R36 C149 R40 C151 C152 R190 C154 C293 C348 R191 R192 C156 R193 C157 R194 C158 C159 C160 C161 C163 D103 C164 D104 C166 D106 C168 C169 Q205 D122 L211 L212 L214 L215 C190 C191 L410 L220 L223 or L412 L224 L225 L226 L228 L229 L230 J79 0045 09 J301 EXT SP EXT MIC TXD AE SPI SPO NC 5MS OPTDET MIC MICIN S1 PTT 1 2 3 4 G D S S G S D D S G S S2 SW1 S3 SW2 D TK 3202 P...

Page 33: ... C86 C237 C87 C238 C239 C240 C90 C241 C440 TC1 C5 TC2 C443 C9 Q100 D2 D3 D4 D5 D6 D7 D8 D9 D202 L100 D401 D402 IC401 IC402 C290 C291 R100 R103 R105 D10 L1 L3 L5 L7 L8 L9 L10 L11 13 C100 L14 C101 C102 L17 L18 C106 L20 L21 L22 L23 L24 C111 L25 R12 R13 R14 R17 R23 Q1 Q2 Q3 R27 Q4 Q6 Q7 Q9 R32 R33 R34 R35 R36 R37 R38 R39 R7 R41 R43 C348 R46 R47 R48 R49 R50 D101 Q203 Q204 Q404 Q403 IC407 Q405 L201 L202...

Page 34: ...L23 C110 L24 C111 L25 C112 C113 R343 C116 C119 C121 C122 R12 R13 C123 R14 C124 C125 C127 R17 C128 C129 C130 C132 C133 R23 C134 C135 Q1 C136 Q2 Q3 R27 Q4 Q5 Q6 Q7 Q9 R32 R33 C338 R34 C145 C339 R35 R36 R37 R38 R39 C149 R7 R40 R41 C151 C152 R43 R190 C154 C293 C348 R191 R192 C156 R46 R193 C157 R47 R194 C158 R48 C159 R49 C160 R50 C161 D101 C163 D103 C164 D104 C166 D106 Q203 Q204 C168 C169 Q205 Q404 Q40...

Page 35: ...0 C421 1u S3 C419 1000p R403 100 CP404 47Kx2 S2 L1 4 7u C408 100p C412 100p C414 100p C413 100p C406 100p 1 B 2 SB 3 AFI 4 AFO 5 GND 6 EN1 7 EN2 8 GND 9 EN3 10 EN4 11 EN5 C424 100p C422 100p C420 100p C453 100p C454 100p VOLTAGE DETECTOR RESET 5T SW 5R SW SW2 LED RED PTT BATT TX RX UNIT X57 6892 XX BATT SW1 RIPPLE FILTER LED GREEN PLL IC F_IN AMP 5C SW F401 F53 0324 05 C401 470p C405 100p C402 100...

Page 36: ...0 C415 470p R46 10k C56 C67 R435 47k C79 10u6 3 R30 33k R308 0 R903 0 R904 0 C450 0 01u C451 0 01u R451 68 C452 1000p IC407 TC7W74FU 1 CK 2 D 3 Q 4 GND 5 6 7 8 C91 2SK1824 Q901 C902 1u 5R_C TX RX RF SW 5M PTT EN1 MOD 3 6864 MHz CLK PLL_CLK BEAT SHIFT SW BEAT SHIFT SW PLL_DAT PLL_STB PLL_UL EN2 MODULATOR DC SW TX VCO QTTCXO CURRENT STEERING EN3 DC SW RX VCO DETECTOR RIPPLE FILTER VSS VCO OSCILLATIO...

Page 37: ...134 150k D R126 2 2k C215 1000p Q202 DTA144EE 1 2 3 4 5 6 7 8 9 AFOUT 10 QUAD 11 IFOUT 12 RSSI 13 N DET 14 N REC 15 GND 16 MIXIN L101 R116 22 R211 3 3k C326 1000p L107 R209 2 7k R143 100k L220 8n R103 C106 470p C207 1800p 1 IN 2 oUT 6 5 4 3 CD201 R216 120k R207 4 7k C112 7p R327 180k C190 1u R140 56k C231 C329 1u R133 150k D C140 100p L105 15n PTT AUDIO PROCESSOR STD DTRLOADN ISOLATION TH_DET MOD ...

Page 38: ... R39 180 150 X57 6892 XX 71 72 NO C91 2p 8p 6p 6p NO 5p C274 C293 0 3p NO 3p 2p C272 NO 0 033u C349 5p C444 NO 72 71 X57 6892 XX X57 6892 XX 71 72 STRIP LINE D122 HVC131 D103 HVC131 ANT SW ANT SW C256 4 7u6 3 C258 470p L215 47n C262 470p C265 470p R251 100k C269 2p B D205 206 RF BPF TUNING RF BPF TUNING D203 204 210 D210 HVC355B D203 HVC355B D204 HVC355B C237 1000p C236 18p C238 0 1u C232 0 01u C2...

Page 39: ... EN2 8 GND 9 EN3 10 EN4 11 EN5 C424 100p C422 100p C420 100p C453 100p C454 100p L110 220n 2SK1824 Q901 C902 1u 7p VOLTAGE DETECTOR RESET RX LO1 5R_C C252 12p 27n PTT 4p AUDIO PROCESSOR STD 5T SW MIXER 5p TX RX RF SW C62 DTRLOADN ISOLATION PCTV 5p 5R SW 5p SW2 5p C54 TH_DET MOD RDF FD 8p 4p 5M LED RED PTT EN1 DC SW SP MUTE SCLK MOD 3 6864 MHz CLK PTT 4p IF AMP PLL_CLK BEAT SHIFT SW C52 DIR 7p BATT...

Page 40: ...44EE Q304 2SA1362 GR Q303 DTC144EE AGC DET Q302 2SC4919 D302 RB706F 40 D303 DAN222 D301 RB706F 40 VOX MOD DTRLOADN TDATA DTRCLK SCLK DIR DTMF RXAFO XIN STD RDF FD TCLK DTRDO DI O 5M EN1 EN2 EN3 EN4 LPF QTVCO LPF QTTCXO Q202 DTA144EE 5R INT IC404 BD4845FVE INT PROTECT D402 1SR154 400 SB PROTECT D401 RB521S 30 RESET RESET AVR IC401 XC6204B502MR 5C DC SW DC SW DC SW Q405 DTA123JE AVR 5R 5R_C X3 L77 1...

Page 41: ... W 7 30F XIN XOUT 6 F W PF2 PF1 PTT 5M MICROPROCESSOR IC405 30622MAA XXXGU SB SB D404 B30 2157 05 D403 B30 2156 05 Q401 DTC114EE LEDTX LEDRX APCSW Q102 2SK2596 D101 D202 HSC277 SW PCTV Q108 2SK1824 5C 5R IC101 TA75W01FUF CURRENT DET Q9 2SC4619 P Q D103 D104 D106 D122 HVC131 Q107 DTC114EE 5T 5T DCSW Q109 DTA144EE Q101 2SK3077F Q103 2SK3476 5T APCSW Q104 DTC114EE Q105 2SK879 Y F T R B Q205 3SK318 5C...

Page 42: ...85MHz AF 1kHz AF 1kHz RF Center Frequency RF Center Frequency L224 Q203 IF2 450kHz C101 Q100 Receiver Section Transmitter Section To make measurements in the AF section connect the AC level meter ANT input 53dBm 1kHz FM 3kHz DEV WIDE 5k In the RF section use 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 ...

Page 43: ...xternal View Specifications Charging current 850mA 5 Charging time KNB 29N Approx 180 minutes KNB 30A Approx 120 minutes Dimensions Charger only 86 3W x 46 2H x 100 0D mm 3 3 8W x 1 7 8H x 4D inches Weight Charger only Approx 100g 0 22 lbs 4N Breaker 75 C C2 C3 C1 Ferrite Bead DISCHARGING TERMINALS CHARGING TERMINALS Thermistor AXIAL LEADED INDUCTOR Diode 2N Ferrite Bead Schematic Diagram ...

Page 44: ...annels Max 8 Channel Spacing 25kHz Wide 5k 20kHz Wide 4k 12 5kHz Narrow Operating Voltage 7 5 V DC 20 Battery Life More than 14 hours at 4 watts 5 5 90 duty cycle with KNB 29N battery Operating Temperature Range 30 C to 60 C Frequency Stability 2 5ppm 30 C to 60 C Channel Frequency Spread 30MHz Dimensions and Weight Dimensions not including protrusions Radio Only 54 W x 122 H x 21 1 D mm 160g With...

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