Kenwood ProTalk TK-3201 Service Manual Download Page 13

Page: 13 / 39

∗

New Parts. indicates safety critical components.

Parts without

Parts No.

are not supplied.

Les articles non mentionnes dans le

Parts No.

ne sont pas fournis.

Teile ohne

Parts No.

werden nicht geliefert.

: Scandinavia

: USA

: Canada

: PX (Far East, Hawaii)

: England

: Europe

: AAFES (Europe)

: Australia

: Other Areas

Parts No.

Description

Address

New

parts

Destination

TK-3201

Ref. No.

Parts No.

Description

Address

New

parts

TK-3201 (Y50-593X-XX)
TX-RX UNIT (X57-6972-70)

Ref. No.

TK-3201

PARTS LIST

∗

N14-0818-04

CIRCULAR NUT(CH KNOB)

N14-0819-04

CIRCULAR NUT(VOL KNOB)

N30-2606-46

PAN HEAD MACHINE SCREW(CHASSIS)

2A,2B,3B

N83-2005-46

PAN HEAD TAPTITE SCREW(PCB)

N99-2043-05

SCREW SET

ACCESSORY

R31-0653-05

VARIABLE RESISTOR(POWER SW/VOL)

S60-0427-05

ROTARY SWITCH(16CH)

T07-0369-05

SPEAKER

∗

T90-1043-05

ANTENNA ELEMENT

W08-0969-05

CHARGER

ACCESSORY

W08-0971-05

AC ADAPTER(2PIN)

ACCESSORY

∗

W08-0972-05

AC ADAPTER(3PIN)

ACCESSORY

D403

B30-2156-05

LED(RED)

D404

B30-2157-05

LED(YELLOW)

CK73HB1H332K

CHIP C

3300PF K

CK73HB1C682K

CHIP C

6800PF K

CK73GB1A105K

CHIP C

1.0UF

CK73HB1C103K

CHIP C

0.010UF K

CK73HB1H102K

CHIP C

1000PF K

CK73HB1A104K

CHIP C

0.10UF K

C7 ,8

CC73HCH1H101J

CHIP C

100PF

CC73HCH1H100C

CHIP C

10PF

C10

C92-0713-05

CHIP-TAN

10UF

6.3WV

C11

CC73HCH1H101J

CHIP C

100PF

C12

CK73HB1H102K

CHIP C

1000PF K

C13

CK73HB1A104K

CHIP C

0.10UF K

C14

CK73HB1C103K

CHIP C

0.010UF K

C15

CC73HCH1H100C

CHIP C

10PF

C16

CK73HB1H102K

CHIP C

1000PF K

C17

CC73HCH1H470J

CHIP C

47PF

C18

CC73HCH1H180J

CHIP C

18PF

C19

CK73HB1A104K

CHIP C

0.10UF K

C21

C92-0713-05

CHIP-TAN

10UF

6.3WV

C22

C92-0502-05

CHIP-TAN

0.33UF 35WV

C24

CK73HB1H102K

CHIP C

1000PF K

C25

CC73HCH1H020B

CHIP C

2.0PF

C26

CC73HCH1H300J

CHIP C

30PF

C27

C92-0697-05

CHIP-TAN

3.3UF

16WV

C29

CK73HB1H471K

CHIP C

470PF

C32

C92-0001-05

CHIP C

0.1UF

35WV

C33 ,34

CK73HB1H102K

CHIP C

1000PF K

C35

CC73HCH1H270J

CHIP C

27PF

C38

CC73HCH1H050B

CHIP C

5.0PF

C39

CK73GB1H332K

CHIP C

3300PF K

C40

CC73HCH1H030B

CHIP C

3.0PF

C41

CK73GB1H682K

CHIP C

6800PF K

C42

CC73HCH1H050B

CHIP C

5.0PF

C43

CC73HCH1H100C

CHIP C

10PF

C44

CK73HB1H471K

CHIP C

470PF

C45

CK73GB1A105K

CHIP C

1.0UF

∗

A02-3888-03

CABINET ASSY(16CH)

A10-4078-31

CHASSIS

A21-1644-13

DRESSING PANEL

B09-0680-03

CAP(SP/MIC)

ACCESSORY

B11-1817-04

ILLUMINATION GUIDE

B43-1156-04

BADGE(KENWOOD)

B43-1173-04

BADGE

B62-1807-10

INSTRUCTION MANUAL

D10-0649-03

LEVER

D21-0863-04

SHAFT

D32-0441-03

STOPPER

E23-1253-04

TERMINAL(BATT-)

∗

E37-1157-05

PROCESSED LEAD WIRE(SP+)

∗

E37-1158-05

PROCESSED LEAD WIRE(SP-)

∗

F07-1882-03

COVER(ANT)

F20-3353-14

INSULATING SHEET(CHASSIS BATT+)

G01-4542-04

COIL SPRING(LEVER)

G01-4543-04

COIL SPRING(STOPPER)

G10-1330-04

FIBROUS SHEET(IC302:AUDIO IC)

G11-4283-04

RUBBER SHEET(Q103:FINAL FET)

G11-4313-04

SHEET(MIC ELEMENT)

G11-4319-04

SHEET(PTT)

G13-2033-04

CUSHION(TERMINAL BATT-)

G13-2034-14

CUSHION(TERMINAL BATT-)

G13-2037-04

CUSHION(CHASSIS VOL/CH)

G13-2038-14

CUSHION(CHASSIS-CERAMIC FILTER)

G13-2039-04

CUSHION(PCB-CERAMIC FILTER)

G13-2045-04

CUSHION(CHASSIS)

∗

G13-2076-04

CUSHION(SP)

G53-1604-03

PACKING(CHASSIS)

G53-1605-03

PACKING(TERMINAL BATT+)

G53-1606-03

PACKING(VOL/CH/LED)

G53-1607-03

PACKING(SP/MIC)

G53-1608-03

PACKING(SP)

G53-1609-14

PACKING(MIC ELEMENT)

∗

G53-1611-04

PACKING(ANT)

∗

H12-3172-05

PACKING FIXTURE

∗

H13-2112-03

CARTON BOARD

H25-0085-04

PROTECTION BAG (100/200/0.07)

∗

H52-2065-02

ITEM CARTON CASE

J19-5472-03

HOLDER(SP/MIC)

ACCESSORY

J19-5473-03

HOLDER ASSY(TERMINAL BATT+)

J21-8477-04

HARDWARE FIXTURE(VOL/CH)

J21-8478-04

HARDWARE FIXTURE(SP/MIC)

J29-0713-05

BELT CLIP

ACCESSORY

J82-0092-05

FPC

K29-9307-13

BUTTON KNOB(CALL/MONITOR)

K29-9308-03

BUTTON KNOB(PTT)

K29-9309-03

KNOB(VOL)

K29-9318-03

KNOB(CH)

TX-RX UNIT (X57-6972-70)

Summary of Contents for ProTalk TK-3201

Page 1: ...MICONDUCTOR DATA 10 COMPONENTS DESCRIPTION 11 PARTS LIST 12 EXPLODED VIEW 18 PACKING 19 ADJUSTMENT 20 PC BOARD TX RX UNIT X57 6972 70 24 SCHEMATIC DIAGRAM 28 BLOCK DIAGRAM 32 LEVEL DIAGRAM 34 KSC 31 KNB 29N KNB 30A KBH 10 35 SPECIFICATIONS BACK COVER CONTENTS Knob VOLUME K29 9309 03 Cabinet assy A02 3888 03 Knob CH SELECTOR K29 9318 03 Cover ANT F07 1882 03 Knob PTT K29 9308 03 ...

Page 2: ... SAFETY The following precautions are recommended for personal safety DO NOT transmit until all RF connectors are verified secure and any open connectors are properly terminated 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 technician only SERVICE This radio is designed for easy servicing Refe...

Page 3: ...ing Acquainted 4 PC Mode 4 1 Preface The TK 3201 transceiver is programmed using a personal computer a programming interface KPG 22 and programming software KPG 90D The programming software can be used with an IBM PC or compatible Figure 1 shows the setup of an IBM PC for programming 4 2 Connection procedure 1 Connect the TK 3201 to the personal computer with the interface cable 2 When the POWER i...

Page 4: ...nd remove the TX RX unit from the chassis Ω 1 3 3 4 2 9 6 6 6 6 6 11 5 6 6 6 7 10 8 Removing the battery release lever from the case assembly 1 Press the upper part of the lever toward the inside of the case assembly One side of the shaft will be removed z 2 Lift and remove the battery release lever from the case assembly x Attaching the battery release lever to the case assembly 1 Insert one side...

Page 5: ...o the lever b 4 Slide the shaft through the hole of the stopper and lever n 2 1 3 4 2 Mounting the chassis to the case assembly 1 Confirm that the waterproof packing attached to the circumference of the chassis is securely inserted in the groove of the chassis z 2 Twist the speaker wires twice then attach the speaker to the speaker recess of the case assembly x Make sure the speaker is securely in...

Page 6: ...el knob Jig Part No W05 1012 00 4 Screw sequence for mounting the TX RX unit to the chassis Attach the TX RX unit to the chassis using the screws in the order shown in the drawing below Volume Knob Silver Channel Knob Gold DISASSEMBLY FOR REPAIR TX RX UNIT Component side view _ 11 _ 3 _ 4 _ 2 _ 7 _ 8 _ 9 _ 1 _ 6 _ 5 _ 10 5 Connecting the speaker wires to the TX RX unit Note To connect the speaker ...

Page 7: ... diode circuit D103 D104 D106 and D122 passes through a BPF L229 and L228 and is amplified by the RF amplifier Q205 The resulting signal passes through a BPF L214 L212 and goes to the mixer These BPFs are fixed 2 First Mixer The signal from the front end is mixed with the first local oscillator signal generated in the PLL circuit by Q1 to produce a first IF frequency of 38 85 MHz The resulting sig...

Page 8: ...asses through the Audio processor IC301 for the maximum deviation adjustment and necessary process as pre emphasized and goes to the VCO modulation input 2 Drive and Final Amplifier The signal from the T R switch D101 is on is amplified by the pre drive Q101 and drive amplifier Q102 to 50mW The output of the drive amplifier is amplified by the RF power amplifier Q103 to 0 5W The RF power amplifier...

Page 9: ...t The control circuit consists of a microprocessor IC405 and its peripheral circuits It controls the TX RX unit IC405 mainly performs the following 1 Switching between transmission and reception by the PTT signal input 2 Reading system group frequency and program data from the memory circuit 3 Sending frequency program data to the PLL 4 Controlling squelch on off by the DC voltage from the squelch...

Page 10: ...t Name I O Function No Pin Port Name I O Function No SEMICONDUCTOR DATA TERMINAL FUNCTION SEMICONDUCTOR DATA CN401 1 B I B Battery Voltage 2 SB O Switched B 3 SP1 I Audio input 4 SP2 O Audio output 5 GND GND 6 EN1 I Encoder pulse input Pin Name I O Function No Pin Name I O Function No 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 pu...

Page 11: ...IC403 IC Voltage detector Reset IC404 IC Voltage detector Int IC405 IC Microprocessor IC406 IC EEPROM IC408 IC MIC AMP Q1 Transistor Tripler Q2 Transistor PLL IC f_in AMP Q4 FET VCO Q6 Transistor RF Buffer AMP Q8 Transistor Ripple filter Q9 Transistor RF AMP Q100 Transistor RF AMP Q101 FET RF AMP Q102 FET TX Drive AMP Q103 FET TX Final AMP Q104 Transistor APC switch Q105 FET APC switch Q107 Transi...

Page 12: ...0 80 800 8000 K 35 V EX C C 7 3 F S L 1 H 0 0 0 J Refer to the table above 1 Type 2 Shape 5 Voltage rating 4 Temp coefficient 3 Dimension 6 Value 7 Tolerance 7 6 5 4 3 2 1 EX C K 7 3 F F 1 H 0 0 0 Z 7 6 5 4 3 2 1 Chip CH RH UJ SL Chip B F Chip resistor Carbon EX R K 7 3 E B 2 B 0 0 0 J 7 6 5 4 3 2 1 RESISTORS Chip B F Carbon resistor Nomal type EX R D 1 4 B B 2 C 0 0 0 J 7 6 5 4 3 2 1 1 Type 2 Sha...

Page 13: ...H102K CHIP C 1000PF K C35 CC73HCH1H270J CHIP C 27PF J C38 CC73HCH1H050B CHIP C 5 0PF B C39 CK73GB1H332K CHIP C 3300PF K C40 CC73HCH1H030B CHIP C 3 0PF B C41 CK73GB1H682K CHIP C 6800PF K C42 CC73HCH1H050B CHIP C 5 0PF B C43 CC73HCH1H100C CHIP C 10PF C C44 CK73HB1H471K CHIP C 470PF K C45 CK73GB1A105K CHIP C 1 0UF K 1 1A A02 3888 03 CABINET ASSY 16CH 2 3A A10 4078 31 CHASSIS 3 1B A21 1644 13 DRESSING...

Page 14: ... CC73GCH1H040B CHIP C 4 0PF B C157 CC73GCH1H2R5B CHIP C 2 5PF B C158 CC73GCH1H101J CHIP C 100PF J C159 CC73GCH1H020C CHIP C 2 0PF C C160 CC73GCH1H020B CHIP C 2 0PF B C161 CC73GCH1H050B CHIP C 5 0PF B C163 CC73GCH1H2R5B CHIP C 2 5PF B C164 CC73GCH1H050B CHIP C 5 0PF B C169 CC73GCH1H060B CHIP C 6 0PF B C170 CC73GCH1H150J CHIP C 15PF J C171 CK73GB1H102K CHIP C 1000PF K C190 CK73GB1A105K CHIP C 1 0UF ...

Page 15: ...CHIP C 3 0PF B C435 CC73HCH1H050B CHIP C 5 0PF B C436 CK73HB1H102K CHIP C 1000PF K C440 CC73GCH1H1R5B CHIP C 1 5PF B C443 CK73GB1A474K CHIP C 0 47UF K C444 CC73GCH1H030B CHIP C 3 0PF B C902 CK73GB1A105K CHIP C 1 0UF K TC1 C05 0384 05 CERAMIC TRIMMER CAP 10PF CN101 E04 0193 05 PIN SOCKET CN201 E23 1081 05 TERMINAL CN401 E40 6362 05 FLAT CABLE CONNECTOR J301 E11 0457 05 PHONE JACK 2 5 3 5 F401 F53 0...

Page 16: ...4 RK73GB1J224J CHIP R 220K J 1 16W R126 RK73GB1J222J CHIP R 2 2K J 1 16W R127 129 RK73EB2ER39K CHIP R 0 39 K 1 4W R130 135 RK73GH1J154D CHIP R 150K D 1 16W R137 R92 0670 05 CHIP R 0 OHM R138 RK73GB1J105J CHIP R 1 0M J 1 16W R139 RK73GB1J473J CHIP R 47K J 1 16W R140 RK73GB1J563J CHIP R 56K J 1 16W R141 RK73GB1J104J CHIP R 100K J 1 16W R142 R92 1252 05 CHIP R 0 OHM J 1 16W R143 RK73GB1J104J CHIP R 1...

Page 17: ...CHIP R 0 OHM R435 RK73HB1J473J CHIP R 47K J 1 16W R436 R92 1252 05 CHIP R 0 OHM J 1 16W R437 438 RK73HB1J473J CHIP R 47K J 1 16W R447 RK73HB1J123J CHIP R 12K J 1 16W R449 450 R92 1252 05 CHIP R 0 OHM J 1 16W R454 455 RK73GB1J271J CHIP R 270 J 1 16W R901 RK73GB1J472J CHIP R 4 7K J 1 16W VR1 R12 7491 05 TRIMMING POT 68K S401 403 S70 0414 05 TACT SWITCH MIC301 2A T91 0649 05 MIC ELEMENT D1 MA2S111 DI...

Page 18: ...ied A B 1 2 3 EXPLODED VIEW A N14 0818 04 B N14 0819 04 D N30 2606 46 E N83 2005 46 TX RX Unit 51 6 11 9 20 19 10 37 23 E E Ex2 Ex2 E E 21 Ex2 45 33 18 2 Dx2 25 13 E 26 32 28 22 27 27 55 56 58 49 A 5 B 36 57 17 47 35 52 53 15 16 29 46 50 61 MIC301 CF201 30 7 38 34 1 24 31 3 ...

Page 19: ...REW SET N99 2043 05 4 CAP SP MIC B09 0680 03 40 PACKING FIXTURE H12 3172 05 43 ITEM CARTON CASE H52 2065 02 48 BELT CLIP J29 0713 05 41 CARTON BOARD H13 2112 03 60 AC ADAPTER AC230V W08 0971 05 E 2PIN W08 0972 05 T 3PIN 59 CHARGER W08 0969 05 42 PROTECTION BAG H25 0085 04 700 KNB 29N Ni MH BATTERY PACK 701 PAMPHLET BATTERY E 702 PAMPHLET R TTE 703 WARRANTY CARD ...

Page 20: ...approx 3A Useful if ammeter equipped The following parts are required for adjustment 1 Antenna connector adapter The antenna connector of this radio 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 2 Repair Jig Chassis Use jig part No A10 4086 03 for repairing the TK 3201 Place...

Page 21: ...terminal TC1 Transmit VCO lock voltage adjustment CV VCO lock voltage adjustment terminal Fig 1 Adjustment points Frequency and signalling The set has been adjusted for the frequencies shown in the following table When required re adjust them following the adjustment procedure to obtain the frequencies you want in actual operation Signalling Signalling No RX TX 1 None None 2 None 100Hz Square Wave...

Page 22: ...e KPG 90D 0 8A or less PTT ON 3 VOX 1 TEST CH 5 1 Power meter ANT Writing AG 1kHz 45mV Deviation meter SP MIC connector 4 VOX 10 TEST CH 5 1 Oscilloscope Writing AG 1KHz 3 0mV AG 5 Max deviation TEST CH 6 1 AF VTVM 2 2kHz 50Hz Adjust AG 1kHz 150mV According to Deviation meter filter the lager LPF 15kHz HPF OFF PTT ON 6 DQT TEST CH 6 1 ANT Make the Balance Adjust LPF 3kHz demodulation HPF OFF wave ...

Page 23: ...te Squelch open Threshold SSG otuput 12dB SINAD 4dB Software writing SSG MOD 1 5kHz KPG 90D 4 SQL9 TEST CH 1 1 Tight SSG otuput 12dB SINAD 2dB writing SSG MOD 1 5kHz 5 BATT TEST CH 1 1 DVM ANT Write BATT terminal Detection BATT terminal voltage 5 9V BATT terminal voltage 5 9V Writing Receiver Section Item Condition Measurement Adjustment Specifications Test equipment Terminal Parts Method Remark A...

Page 24: ... R15 R16 R357 R18 R19 R20 C902 R21 R22 R2 C301 R26 F401 Q8 R30 R31 R1 R2 R3 R4 R5 R6 R8 R9 R42 VR1 C351 C352 C354 Q405 Q407 D G S Q408 L401 L402 L403 L404 X2 C10 C11 C13 R203 C19 BATT 1 100 25 26 50 51 75 76 1 3 4 5 1 4 5 8 D G S 5M 5C 1 10 11 20 PCTV BPF CV TK 3201 PC BOARD TX RX UNIT X57 6972 70 Component side view J72 0950 09 Ref No Address IC1 9G IC101 4M IC302 8P IC401 4C IC403 8A IC404 9A IC...

Page 25: ...39 L12 R334 R140 R335 R141 R336 R142 R143 R339 R340 R341 R342 R344 R345 R346 R347 R348 R349 R350 C126 C902 R25 R26 C138 Q8 C334 C140 R30 C335 R31 C336 C146 C148 C340 C341 C342 C343 C344 C345 C346 D102 Q401 Q402 IC101 IC302 1 5 6 10 BPF D G S 5MS OPTDET PTT RXD MICIN MIC TXD AE SPO SPI NC B 1 4 5 8 SB S S D D G G CN13 ANT J72 0950 09 SP SP EN5 EN4 EN3 GND EN2 EN1 GND SP2 SP1 SB B TX RX UNIT X57 697...

Page 26: ...126 R357 R18 R19 R20 C902 R21 R22 R25 C301 R26 C138 F401 Q8 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 Q401 Q402 Q405 Q407 D G S Q408 IC101 L401 L402 L403 L404 IC302 1 5 6 10 X2 C10 C11 C13 R203 C19 BATT 1 100 25 26 50 51 75 76 1 3 4 5 1 4 5 8 D G S 5M 5C 1 10 11 20 PCTV BPF CV D G S 5MS OPTDET PTT RXD MICIN MIC TXD ...

Page 27: ...122 C125 C123 R455 R124 C129 R194 C124 C128 C130 C132 C145 Q4 G D C149 C444 R32 R137 L109 C338 R34 C152 C135 C133 C191 C134 C136 C339 R35 R36 C156 C158 L110 C169 R40 C157 C160 C159 C154 R192 R191 C163 C161 C164 C166 C 06 R145 C171 C170 D103 D122 D104 Q205 C110 C113 C111 L250 L214 L212 L215 J72 0950 09 G D S S 1 3 4 2 PTT RXD J301 EXT SP EXT MIC TXD AE SPI SPO NC 5MS OPTDET MIC MICIN TK 3201 PC BOA...

Page 28: ...C402 1 3 4 5 R108 06 Q100 R103 C102 L411 D10 R306 R426 R330 C330 R321 R307 R312 L1 R315 R316 L3 R317 R310 C309 L5 R319 L7 L8 L9 R320 R322 C320 R323 C304 R328 R332 R314 C321 R318 D302 C313 R313 L10 L13 R107 L19 L21 L22 L23 L24 C322 R326 C312 C314 C317 R12 R327 R325 R324 R329 C311 C333 C329 R13 R14 C318 C319 R17 C315 C324 R305 C307 C308 C306 C327 R23 Q1 Q2 R27 Q4 G D S Q6 C316 IC408 IC301 1 4 5 1 12...

Page 29: ... D302 C313 R313 L10 L13 R107 L16 TH101 L19 R337 L21 L22 L23 L24 R343 C122 C125 C123 C322 R326 C312 C314 C317 R455 R12 R327 R325 R324 R329 C311 C333 C329 R13 R124 C129 R194 R14 C318 C319 C124 C128 R17 C130 C315 C132 C324 R305 C307 C308 C306 C327 R23 Q1 C145 Q2 R27 Q4 G D S C149 Q6 C316 IC408 IC301 1 4 5 1 12 13 24 8 Q9 C328 C332 C310 R311 R360 R308 C444 R32 R137 L109 R33 C338 R34 C152 C135 C133 C19...

Page 30: ...IN 2 VSS 3 CE 4 5 C427 1u L3 560n C16 1000p S401 C1 3300p C409 1u C2 6800p C426 1u R14 330k D404 B30 2157 05 C17 47p R437 47k C27 3 3u16 R413 330 R15 220 R3 33k C402 1000p L402 R405 330k C40 3p 1 VC 2 GND 3 4 R18 180 C5 1000p D402 1SR154 400 C407 1000p 1 VoUT 2 SUB 3 NC 4 5 R5 100k C419 1000p C21 10u6 3 R10 0 C12 1000p Q402 RT1N141U Q401 RT1N141U SW1 IC401 402 VOLTAGE REGULATOR 5V LED SW RED LED S...

Page 31: ...TX 73 LEDRX 74 PF1 75 PF2 76 SIM1 77 SIM2 78 79 80 5T_C 81 5R_C 82 5C_C 83 84 85 86 87 88 BATT 89 RSSI 90 BUSY 91 VOX 92 QT DQT_IN 93 TH_DET 94 AVSS 95 96 VREF 97 AVCC 98 99 MIC_MUTE 100 R901 4 7k 2SK1824 Q317 R304 27k C902 1u R99 0 X2 7 370MHz L78 1411 05 C436 1000p R416 47k R415 47k C306 4 7u6 3 C308 0 1u C307 0 1u R426 0 CV QTTCXO PLL_UL PLL_STB PLL_DAT PLL_CLK 5R_C 5T_C B BATT 5R EEPROM TX MOD...

Page 32: ...116 22 C125 3p L106 C136 1u C112 7p C126 1u16 R109 10 C108 470p R107 680 Q101 2SC5192 R108 1 5k R113 220 R148 220 C144 1000p R149 0 R454 270 R455 270 C170 15p L112 4 7n C171 1000p R120 18 Q107 RT1N141U D405 KDZ3 3V 1 AGNDIN 2 AGND 3 TXIN 4 TXINo 5 LIMLV 6 EXTLIMIN 7 MOD 8 VSS 9 TCLK 10 TDATA 11 D_IO 12 RDF_FC 13 14 15 16 17 18 19 20 21 22 23 24 C228 10p R207 15k C205 1000p C206 0 1u Q301 RT1P141U ...

Page 33: ...1k R253 100k C237 1000p L202 C258 470p C238 0 1u BPF L204 270n R255 0 C232 0 01u R239 56k R248 220 R251 100k L410 C149 4p C145 11p C444 3p C152 20p L226 4T C160 2p C159 2p C161 5p C164 5p L223 4T C156 4p B C157 2 5p B C240 3 5p B L290 30n C249 6p C252 1 5p B C253 2p B C257 10p L214 8 2n C292 1000p L228 8 2n C267 9p C272 2p B C269 1 5p B C275 2 5p L230 47n C276 3 5p B Q303 RT1N441U C169 6p R388 0 I...

Page 34: ... 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 OPTDET 52 AF_CONT 53 CALLING ALERT SW 54 55 56 57 58 59 60 VCC 61 62 VSS 63 GND 64 GND 65 66 67 68 69 70 71 72 LEDTX 73 LEDRX 74 PF1 75 PF2 76 SIM1 77 SIM2 78 79 80 5T_C 81 5R_C 82 5C_C 83 84 85 86 87 88 BATT 89 RSSI 90 BUSY 91 VOX 92 QT DQT_IN 93 TH_DET 94 AVSS 95 96 VREF 97 AVCC 98 99 MIC_MUTE 100 Q402 RT1N141U Q401 RT1N141U R901 4 7k 2SK1824 Q317 R3...

Page 35: ...Q302 2SC4919 D303 DAN222 D302 RB706F 40 D301 RB706F 40 VOX MOD LIMLV TDATA DIR RXLPFO MOD DI O EXPOUT SCLK RXAFIN TXIN 5M EN1 EN2 EN3 EN4 LPF QTVCO LPF QTTCXO INT IC404 BD4845FVE INT PROTECT D402 1SR154 400 SB PROTECT D401 RB521S 30 RESET RESET AVR IC401 XC6204B502MR 5C DC SW Q405 RT1P237U AVR DC 5R SW 5R_C X2 L78 1411 05 7 3MHz EEPROM IC406 BR24L08F W RXIN PLL_STB 5C 5C EN5 IC403 BD4840FVE 5C_C I...

Page 36: ...W BATT XIN XOUT PF2 PF1 PTT 5M MICROPROCESSOR IC405 M30622MAA B91GP LED GREEN LED RED SB SB SW DC SW DC D404 B30 2157 05 D403 B30 2156 05 Q401 RT1N141U LEDTX LEDRX TH_DET D11 MA2S111 APCSW Q102 RD00HVS1 D101 D202 HSC277 SW SW Q105 2SK879 Y PCTV AMP SW Q108 2SK1824 SW 5C IC101 TA75W01FU CURRENT Q9 2SC4619 D122 D103 D104 D106 HVC131 DC AMP Q107 RT1N141U AMP ANT 5T 5T DCSW DET Q109 RT1P441U RF SW Q10...

Page 37: ...0 7W 3 2dBm IF1 38 85MHz AF 1kHz AF 1kHz RF Center Frequency RF Center Frequency L224 Q203 L228 IF2 450kHz LEVEL DIAGRAM To make measurements in the AF section connect the AC level meter ANT input 53dBm 1kHz FM 1 5kHz DEV 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 becomes 1 5kHz ...

Page 38: ...KSC 31 KNB 29N KNB 30A KBH 10 External View External View Schematic Diagram 4N Breaker 75ºC DISCHARGING TERMINALS CHARGING TERMINALS Thermistor AXIAL LEADED INDUCTOR Diode 2N Voltage 7 2V 1 2V x 6 Battery capacity 1500mAh Specifications KNB 30A Ni Cd BATTERY PACK External View Schematic Diagram 4N Breaker 75ºC DISCHARGING TERMINALS CHARGING TERMINALS Thermistor AXIAL LEADED INDUCTOR Diode 2N Volta...

Page 39: ...at 8Ω less than 10 distortion Transmitter Measurements made per EN standard RF Power Output ERP 0 5W Spurious Response 65dB Modulation 8K50F3E FM Noise 40dB Audio Distortion Less than 5 SPECIFICATIONS KENWOOD CORPORATION 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan KENWOOD U S A CORPORATION P O BOX 22745 2201 East Dominguez Street Long Beach CA 90801 5745 U S A KENWOOD ELECTRONICS CANAD...

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