Kenwood TK-2202 Service Manual Download Page 1

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VHF FM TRANSCEIVER

TK-2202/2206

2004-2 PRINTED IN JAPAN

B51-8677-00 (S) 1246

SERVICE MANUAL

GENERAL ............................................................. 2

SYSTEM SET-UP ................................................. 2

REALIGNMENT .................................................... 3

DISASSEMBLY FOR REPAIR .............................. 5

CIRCUIT DESCRIPTION ....................................... 8

TERMINAL FUNCTION ...................................... 12

SEMICONDUCTOR DATA ................................. 12

COMPONENTS DESCRIPTION ......................... 13

PARTS LIST ........................................................ 14

EXPLODED VIEW ............................................... 20

PACKING ............................................................ 21

ADJUSTMENT ................................................... 23

PC BOARD

TX-RX UNIT (X57-6870-20) .......................... 28

SCHEMATIC DIAGRAM ..................................... 32

BLOCK DIAGRAM .............................................. 36

LEVEL DIAGRAM ............................................... 38

KSC-31 / KNB-29N / KNB-30A / KBH-10 ......... 39

SPECIFICATIONS ............................ BACK COVER

CONTENTS

Antenna
(T90-1036-05): TK-2202(K,M)
(KRA-26: Option) TK-2206 (M)

Knob (VOLUME)
(K29-9309-03)

Knob (PTT)
(K29-9308-03)

Cabinet assy
(A02-3852-23)(8CH):
TK-2202(K,M)
(A02-3851-23)(16CH):
TK-2206(M)

Knob (CH-SELECTOR)
(K29-9318-03)

TK-2206 :

Does not come with antenna.

Antenna is available as an option.

Photo is TK-2202.

Summary of Contents for TK-2202

Page 1: ...EW 20 PACKING 21 ADJUSTMENT 23 PC BOARD TX RX UNIT X57 6870 20 28 SCHEMATIC DIAGRAM 32 BLOCK DIAGRAM 36 LEVEL DIAGRAM 38 KSC 31 KNB 29N KNB 30A KBH 10 39 SPECIFICATIONS BACK COVER CONTENTS Antenna T90 1036 05 TK 2202 K M KRA 26 Option TK 2206 M Knob VOLUME K29 9309 03 Knob PTT K29 9308 03 Cabinet assy A02 3852 23 8CH TK 2202 K M A02 3851 23 16CH TK 2206 M Knob CH SELECTOR K29 9318 03 TK 2206 Does ...

Page 2: ...s equipment It contains all required service information for the equipment and is current as of the publication date Changes which may occur after publication are covered by either Service Bulletins or Manual Revisions These are issued as required ORDERING REPLACEMENT PARTS When ordering replacement parts or equipment information the full part identification number should be included This applies ...

Page 3: ... PC mode then attach the interface cable 3 3 KPG 22 description PC programming interface cable Option The KPG 22 is required to interface the TK 2202 2206 with the computer It has a circuit in its D subconnector 25 pin case that converts the RS 232C logic level to the TTL level The KPG 22 connects the SP MIC connector of the TK 2202 2206 to the computer s RS 232C serial port 3 4 Programming softwa...

Page 4: ...not enter Clone mode The table shown below will cover the frequency tables used for wireless cloning Clone mode cannot be entered in battery low state A unit cannot be a Master Unit if it is unprogrammed If PTT is pressed an error tone will sound The language used in cloning depends on the Model type setting not the FPU setting C C2 C5 and C6 type TK 3207 transceivers will use Chinese Other types ...

Page 5: ...t and 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 8 10 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 s...

Page 6: ...n spring onto 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 Attach the speaker to the speaker recess of the case assembly x Make sure the speaker is securely inserted 4 5 3 1 6 2 3 In...

Page 7: ...w first Tighten this screw second DISASSEMBLY FOR REPAIR 4 The nuts of the volume knob and channel knob Note that the shapes colors and heights of nuts of the volume knob and channel knob are different from one another The nut of volume knob is silver and the nut of channel knob is gold Use the following jig when removing the nuts of the volume knob and channel knob Jig Part No W05 1012 00 Volume ...

Page 8: ... four pole monolithic crystal filter XF201 to remove the adjacent channel signal The filtered first IF signal is amplified by the first IF amplifier Q203 and then applied to the lF system IC IC201 The IF system IC provides a second mixer second local oscillator limiting amplifier quadrature detector and RSSI Received Signal Strength Indicator The second mixer mixes the first IF signal with the 38 ...

Page 9: ...nal passes through the Audio processor IC301 for the maximum deviation adjustment and goes to the VCO modulation input RECEIVE SIGNALLING RECEIVE SIGNALLING SP Q306 316 SW IF Amp FM IF IC201 IC301 IC302 AF PA IC405 Q303 304 305 SW QT DQT DTMF CLK DATA STD LOADN SIGNAL CPU AQUA AF CONT QT DQT IN BUSY Fig 4 AF amplifier and squelch 3 DTMF The DTMF input signal from the FM IC IC201 goes to IC301 The ...

Page 10: ...a low pass CR filter mixes with the audio signal and goes to the VCO modulation input TX deviation is adjusted by the CPU 2 DTMF High speed data is output from pin 2 of the CPU The signal passes through a low pass CR filter and provides a TX and SP out tone and is then applied to the audio processor IC301 The signal is mixed with the audio signal and goes to the VCO TX deviation is adjusted by the...

Page 11: ...nerates a warning tone when it falls below the warning voltage shown in the table 1 The red LED blinks when the battery voltage falls below the voltage 1 shown in the table during transmission Note The transceiver checks the battery voltage during reception even when in the FPU the Battery Warning status function is set to On TX default setting However the LED does not blink during reception Durin...

Page 12: ... O PLL data output 43 PLL_CLK O PLL clock output Pin Port Name I O Function No Pin Port Name I O Function No 44 VCC 5V 45 RX_W N O RX Wide Narrow switch 46 EN5 I Channel selector input 47 EN4 I Channel selector input 48 EN3 I Channel selector input 49 EN2 I Channel selector input 50 EN1 I Channel selector input 51 OPTDET I Headset input detect 52 AF_CONT O Speaker mute 53 59 NC NC 60 VCC 5V 61 NC ...

Page 13: ...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 FET Beat Shift switch Q408 FET Beat Shift switch Ref No Use Function Operation Condition TX RX UNIT X57 6870 20 Ref No Use Function Operation Condition D1 Diode Ripple Filter D4 Variable Frequency control TX VCO capacitance diode D5 Variable Frequency con...

Page 14: ...04 PACKING SMA 43 2C 2F H12 3158 05 PACKING FIXTURE 44 1D H13 2109 03 CARTON BOARD AK AM 45 1C 1E H25 0085 04 PROTECTION BAG 100 200 0 07 46 3D H52 2017 02 ITEM CARTON CASE AK AM 47 3F H52 2034 02 ITEM CARTON CASE BM 48 2C 2F J19 5472 03 HOLDER SP MIC ACCESSORY 49 2A J19 5473 03 HOLDER ASSY TERMINAL BATT 50 2B J21 8477 04 HARDWARE FIXTURE VOL CH 51 2B J21 8478 04 HARDWARE FIXTURE SP MIC 52 2C 2F J...

Page 15: ...65 05 CHIP TAN 6 8UF 10WV C128 CK73HB1H102K CHIP C 1000PF K C130 CC73GCH1H100D CHIP C 10PF D C132 CK73HB1H102K CHIP C 1000PF K C133 CK73GB1H103K CHIP C 0 010UF K C134 CK73GB1C104K CHIP C 0 10UF K C135 CK73GB1A105K CHIP C 1 0UF K C136 CC73GCH1H270J CHIP C 27PF J C137 CK73GB1H103K CHIP C 0 010UF K C138 CK73GB1H102K CHIP C 1000PF K C139 CC73GCH1H680J CHIP C 68PF J C140 CC73GCH1H101J CHIP C 100PF J C1...

Page 16: ... CK73GB1C473K CHIP C 0 047UF K C344 CC73GCH1H221J CHIP C 220PF J C345 C92 0665 05 TANTAL 100UF 6 3WV C346 CK73GB1H102K CHIP C 1000PF K C348 CK73HB1H471K CHIP C 470PF K C351 352 CK73HB1C103K CHIP C 0 010UF K C354 CK73HB1A104K CHIP C 0 10UF K C370 CK73HB1A104K CHIP C 0 10UF K C401 CC73GCH1H471J CHIP C 470PF J C402 CK73HB1H102K CHIP C 1000PF K C403 CK73GB1C104K CHIP C 0 10UF K C405 CC73GCH1H101J CHIP...

Page 17: ... CHIP R 1 0K J 1 16W R33 RK73HB1J154J CHIP R 150K J 1 16W R34 RK73HB1J472J CHIP R 4 7K J 1 16W R35 36 RK73HB1J274J CHIP R 270K J 1 16W R37 RK73HB1J101J CHIP R 100 J 1 16W R38 RK73HB1J181J CHIP R 180 J 1 16W R39 RK73HB1J151J CHIP R 150 J 1 16W R40 RK73HB1J101J CHIP R 100 J 1 16W R41 RK73HB1J154J CHIP R 150K J 1 16W R42 RK73HB1J472J CHIP R 4 7K J 1 16W R43 RK73HB1J101J CHIP R 100 J 1 16W R44 RK73HB1...

Page 18: ...HIP R 10 J 1 16W R343 RK73GB1J474J CHIP R 470K J 1 16W R344 RK73GB1J102J CHIP R 1 0K J 1 16W R345 346 RK73GB1J101J CHIP R 100 J 1 16W R347 RK73GB1J104J CHIP R 100K J 1 16W R348 RK73GB1J563J CHIP R 56K J 1 16W R349 RK73GB1J333J CHIP R 33K J 1 16W R350 R92 1368 05 CHIP R 0 OHM R354 355 RK73HB1J103J CHIP R 10K J 1 16W R357 R92 1368 05 CHIP R 0 OHM R360 R92 1368 05 CHIP R 0 OHM R365 RK73HB1J473J CHIP ...

Page 19: ...DIGITAL TRANSISTOR Q203 2SC4649 N P TRANSISTOR Q204 205 3SK318 FET Q301 DTA114EE DIGITAL TRANSISTOR Q302 2SC4919 TRANSISTOR Q303 DTC144EE DIGITAL TRANSISTOR Q304 2SA1362 GR TRANSISTOR Q305 DTC144EE DIGITAL TRANSISTOR Q306 CPH3413 FET Q316 CPH3413 FET Q401 402 DTC114EE DIGITAL TRANSISTOR Q403 404 CPH3317 FET Q405 DTA123JE DIGITAL TRANSISTOR Q407 408 2SK1830 FET TH101 157 104 65001 THERMISTOR TH203 ...

Page 20: ... 46 Parts with the exploded numbers larger than 700 are not supplied TX RX Unit 57 2 8 13 11 20 19 12 40 23 E E Ex2 Ex2 E E 21 Ex2 49 36 18 3 Dx2 30 15 E 29 35 33 22 14 32 32 61 62 26 C C 41 54 A 7 B 37 39 63 51 38 58 59 4 16 17 34 50 56 1 EXPLODED VIEW 27 67 MIC301 26 CF201 31 24 26 26 25 25 ...

Page 21: ...ON CASE H52 2017 02 60 SCREW SET N99 2043 05 64 HELICAL ANTENNA T90 1036 05 66 AC ADAPTER W08 0970 05 K AC120V W08 0971 05 M AC230V 702 KNB 29N Ni MH BATTERY PACK 65 CHARGER W08 0969 05 52 BELT CLIP J29 0713 05 43 PACKING FIXTURE H12 3158 05 44 CARTON BOARD H13 2109 03 6 CAP SP MIC B09 0680 03 48 HOLDER SP MIC J19 5472 03 45 PROTECTION BAG H25 0085 04 ...

Page 22: ...not supplied PACKING TK 2206 E F 1 2 3 10 INSTRUCTION MANUAL B62 1763 00 47 ITEM CARTON CASE H52 2034 02 48 HOLDER SP MIC J19 5472 03 60 SCREW SET N99 2043 05 6 CAP SP MIC B09 0680 03 52 BELT CLIP J29 0713 05 43 PACKING FIXTURE H12 3158 05 45 PROTECTION BAG H25 0085 04 ...

Page 23: ...Range 136 to 174MHz SSG Modulation Frequency modulation and external modulation Output 127dBm 0 1µV to greater than 47dBm 1mV 2 Power Meter Input Impedance 50Ω Operation Frequency 136 to 174MHz Measurement Range Vicinity of 10W 3 Deviation Meter Frequency Range 136 to 174MHz 4 Digital Volt Meter Measuring Range 10mV to 10V DC DVM Input Impedance High input impedance for minimum circuit loading 5 O...

Page 24: ...lock voltage adjustment TC2 Receive lock voltage adjustment CV Lock voltage adjustment terminal Fig 1 Adjustment points Signalling Signalling No RX TX 1 None None 2 None 100Hz Square Wave 3 QT 67 0Hz QT 67 0Hz 4 QT 151 4Hz QT 151 4Hz 5 QT 250 3Hz QT 250 3Hz 6 DQT D023N DQT D023N 7 DQT D754I DQT D754I 8 DTMF 159D DTMF 159D 9 None DTMF tone 9 Preparations for tuning the transceiver Before attempting...

Page 25: ...er 3 points AG 1kHz 150mV AG Deviation meter filter AF VTVM LPF 15kHz HPF OFF PTT ON Narrow TEST CH Center 2 2kHz 50Hz PTT ON According to the lager 5 VOX 1 TEST CH Center Writing AG 1KHz 45mV ADJUSTMENT Common Section Item Condition Measurement Adjustment Specifications Test equipment Terminal Parts Method Remark 1 Setting 1 BATT terminal votage 7 5V 2 SSG standard modulation Wide MOD 1kHz DEV 3k...

Page 26: ...40Hz Adjust Low Wide High 3 points LPF 3kHz HPF OFF PTT ON Narrow TEST CH Center 0 35kHz 40Hz PTT ON 9 DQT Deviation TEST CH Center 0 75kHz 40Hz Adjust Low Wide High 3 points LPF 3kHz HPF OFF PTT ON Narrow TEST CH Center 0 35kHz 40Hz PTT ON 10 DTMF Deviation TEST CH Center 3 0kHz 100Hz Adjust LPF 15kHz Wide HPF OFF PTT ON Narrow TEST CH Center 1 5kHz 100Hz PTT ON 11 MSK Deviation TEST CH Center 3 ...

Page 27: ... SSG MOD 3 0kHz Narrow TEST CH Center SSG otuput 122 dBm 0 18µV SSG MOD 1 5kHz 4 SQL9 TEST CH Center Tight Low writing High Wide SSG otuput 117 dBm 0 3µV SSG MOD 3 0kHz Narrow TEST CH Center SSG otuput 116 dBm 0 35µV SSG MOD 1 5kHz 5 BATT BATT terminal voltage 5 9V DVM ANT Write BATT terminal Detection BATT terminal voltage 5 9V Writing Receiver Section Item Condition Measurement Adjustment Specif...

Page 28: ...09 C310 C311 C312 C313 R10 C314 R350 R11 C315 C316 C317 R354 C318 R355 R15 C319 R16 R357 R18 R19 C320 C321 C322 C323 C324 R20 R360 C325 R21 C326 R22 C327 C328 C329 R25 R365 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 G G D D S S L401 L402 L403 L404 IC301 X2 C10 C11 C13 R203 C19 R206 BATT 5R 5T 5M 1 1 3 3 4 4 5 5 1 9 10 16 17 ...

Page 29: ...134 MIC301 R135 R138 R139 L12 R334 R140 R335 R141 R336 R142 R143 R338 R339 R340 R341 R342 R344 R345 R346 R347 R348 R349 C126 R25 R26 C138 Q8 C334 C140 R30 C335 R31 C336 C146 C148 C340 C341 C342 C343 C344 C345 C346 R42 D102 Q401 Q402 IC101 IC302 1 5 6 10 BPF 1 4 5 8 B SP SP D D G G S S SB CN13 ANT J72 0912 09 TXD AE SPI SPO NC 5MS OPTDET MIC PTT RXD MICIN PC BOARD TK 2202 2206 Component side Foil s...

Page 30: ...L16 C104 TH101 L19 C105 C107 R337 C108 C109 L22 C110 C111 L25 R343 C115 C116 C117 C118 C119 C120 C121 C123 C124 C125 C128 C130 C132 C133 C134 C135 C136 C137 Q4 G D Q5 C139 C141 R32 C142 C143 C338 R34 C144 C339 R35 R36 C147 C149 R40 C150 C151 C153 C154 C348 C155 C156 C157 R47 C158 C159 C160 R50 D101 D103 D104 D105 D106 Q204 1 2 3 4 Q205 L202 L205 L207 L209 L210 L211 L213 L214 J301 EXT SP EXT MIC 1 ...

Page 31: ...8 C234 C84 C429 RXAFI RXAFO C85 C235 C236 C86 C237 C87 C238 C239 C90 C244 C440 TC1 C5 TC2 MICI MICO C443 C9 D4 D5 D7 D9 D202 D401 D402 IC201 1 8 9 16 IC401 IC402 R101 103 D10 L1 L3 L5 L7 L8 L9 L10 L11 L13 L14 CV C101 L17 L18 L19 L20 L21 L22 L23 L24 L25 IC2 R12 R13 R14 R17 R23 Q1 Q2 Q3 R27 Q4 S G D Q6 Q7 L50 Q9 R32 R33 R34 R35 R36 R37 R38 R39 R7 R41 R43 C348 R44 R45 R46 R47 R48 R49 R50 D101 R51 Q20...

Page 32: ...6 R347 R348 R349 C310 C311 C312 C313 R10 C314 R350 R11 C315 C316 C317 R354 C318 R355 R15 C319 R16 C126 R357 R18 R19 C320 C321 C322 C323 C324 R20 R360 C325 R21 C326 R22 C327 C328 C329 R25 R365 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 G G D ...

Page 33: ...6 R117 R119 R120 L1 R122 L3 R123 R124 L5 L7 L8 L9 R136 R137 L10 L11 L13 L14 CV C101 L16 L17 L18 C104 TH101 L19 C105 C107 R337 C108 C109 L20 L21 L22 L23 C110 L24 C111 L25 IC2 R343 C115 C116 C117 C118 C119 C120 C121 R12 R13 C123 R14 C124 C125 R17 C128 C130 C132 C133 R23 C134 C135 Q1 C136 Q2 C137 Q3 R27 Q4 S G D Q5 C139 Q6 Q7 L50 Q9 C141 R32 C142 R33 C143 C338 R34 C144 C339 R35 R36 R37 C147 R38 R39 C...

Page 34: ...6 DO 7 GND 8 LD 9 NC2 10 FIN 11 12 13 14 15 16 17 18 19 20 R410 47k R411 47k C30 470p X1 12 8MHz L77 1931 05 1 VC 2 GND 3 4 R18 0 R436 0 R437 47k R438 47k VR1 R12 7491 05 CP404 47Kx2 CN401 1 B 2 SB 3 SP1 4 SP2 5 GND 6 EN1 7 EN2 8 GND 9 EN3 10 EN4 11 EN5 IC403 BD4840FVE 1 VoUT 2 SUB 3 NC 4 GND 5 VDD IC404 BD4845FVE 1 VoUT 2 SUB 3 NC 4 GND 5 VDD IC402 XC6204B502MR 1 VIN 2 VSS 3 CE 4 5 IC401 XC6204B5...

Page 35: ... 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 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 2SC5108 Y Q6 R426 0 2SK1824 Q901 R901 4 7k C902 1u C901 1u R902 4 7k CV 3 6864 MHz CLK VCO OSCILLATION TX VCO OSCIL...

Page 36: ... 5p C228 10p R306 1k R317 470k Q301 DTA114EE R319 56k R320 3 3k R323 56k C327 100p R322 180k D302 RB706F 40 D303 DAN222 TH203 1 IN 2 oUT 6 5 4 3 C318 4 7u6 3 R445 0 R446 0 R360 0 C332 470p R219 560 R103 0 C123 1u R48 330 2SK2595 Q106 C107 1000p L105 150n L104 27n R50 4 7k C86 1000p L103 R110 330 L25 82n C101 1000p L107 27n C227 1000p C121 10p C105 1000p L102 100n C116 22p D202 HSC277 C115 1000p C1...

Page 37: ...C249 1000p R240 0 L211 56n R223 82k C269 33p C253 4 5p B R233 220 C250 4p B C241 1000p R242 1 0M L204 0 56u R241 1 0M C254 27p C264 4p C260 1000p R239 47 R221 1k C232 0 01u C263 10p C242 0 1u R225 82k L213 56n C252 1000p R234 100k C247 4p B C245 470p C271 11p C268 3p B C265 33p C270 4p C238 12p C267 3p B C236 1000p D205 1SV305 R231 47 R237 180k L214 47n C255 4 5p B L207 150n C244 4p B R222 220 C25...

Page 38: ...04 39p L116 8T C128 1000p L113 3T C139 68p C137 0 01u L117 7T C124 1000p R49 2 2k C117 10p D101 HSC277 D105 HVC131 D106 HVC131 R46 3 3k C151 1000p L106 R120 0 L114 5T R137 270 2SK2596 Q103 L115 3T C108 39p R113 330 C87 10p IC2 UPB1509GV 1 VCC1 2 IN 3 IN 4 GND 5 6 7 8 R47 47 C158 22p R123 82 R122 47k D103 HVC131 2SC5108 Y Q9 R109 15 L111 1u C119 27p D104 HVC131 C135 1u R107 560 R114 47k C125 1000p ...

Page 39: ...7368F Q305 DTC144EE Q304 2SA1362 GR Q303 DTC144EE AGC DET Q302 2SC4919 D303 DAN222 D302 RB706F 40 D301 RB706F 40 VOX MOD DTMF DTRLOADN TDATA DTRCLK STD TCLK DTRDO DI O RDF FD SCLK DIR 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 Q405 DTA123JE AVR DC 5R SW 5R_C X2 L78 14...

Page 40: ...PF2 PF1 PTT BSHIFT LEDTX LEDRX BATT XIN XOUT PF2 PF1 PTT 5M MICROPROCESSOR IC405 30622MAA XXXGP LED GREEN LED RED SB SB SW DC SW DC D404 B30 2157 05 D403 B30 2156 05 Q401 DTC114EE LEDTX LEDRX TH_DET APCSW Q103 2SK2596 D101 D202 HSC277 SW SW Q105 2SK879 Y PCTV AMP AMP SW Q108 2SK1824 SW 5C 5R IC101 TA75W01FU CURRENT Q9 2SC5108 Y D103 D104 D105 D106 HVC131 DC AMP Q107 DTC114EE AMP ANT 5T 5T DCSW DET...

Page 41: ... 5 0W 4 5dBm 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 3kHz DEV WIDE 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 3kH...

Page 42: ...CK 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 Vo...

Page 43: ...er Measurements made per TIA EIA 603 RF Power Output 5W 1W Spurious and Harmonics 65dB Modulation 16KφF3E Wide 11KφF3E Narrow FM Noise 45dB Wide 40dB Narrow 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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