manualshive.com logo in svg

Kenwood TK-3212, Service Manual, Page: 35 / 47

Share
Download
Kenwood TK-3212 Service Manual Download Page 35

34

J

I

H

G

F

E

D

C

B

A

1

2

3

4

5

6

7

8

9

10

11

12

13

14

R251

R255

R257

C259

Q101

1

2

3

4

Q102

Q103

D205

C266

D206

C269

L102

L104

C270

C271

L105

C272

L106

C273

C274

C276

C292

R107

R114

R115

R116

TH101

R147 or C171

C110

C112

R342

C113

C116

C122

C123

C125

C127

C129

C130

C132

C133

C134

C135

C136

C145

C339

C341

C151

C152

R190

R193

C157

C159

C160

C161

D103

C164

C166

D106

D122

L214

C191

L410

L220

L224

L226

L229

L230

R228

R241

R243

R244

R248

C237

C238

C244

C250

C255

C257

C263

L100

D210

R105

C111

L212

L250

C54

C70

C72

L16

L19

R32

R34

R35

R36

R40

C75

C249

D10

+

AE

SPI

SPO

TXD

NC

D

G

S

S

S1

PTT

1

2

3

4

+

G

S

D

PTT/RXD

5MS

OPT
DET

MICIN

MIC

J301

EXT. SP/EXT. MIC

S2

SW1

S3

SW2

D

J72-0968-09

R2

C52

R240

C59

R249

C60

C62

C64

R253

R254

C69

R449 or C246

R256

R258

R450 or C248

R452 R453

C2

C24

C245

C247

TC1

C444

C251

C445

C252

C253

C254

C256

Q100

C258

D6

D7

C262

D203

D204

C265

C267

C268

L101

L103

L107

C275

L109

L110

C293

R103

R106

R110

R111

R112

R123

R124

R137

L13

R337

C107

C108

R145

R148

L22

C119

C124

C128

Q5

C142

C348

C154

R191

R192

C156

R194

C158

C163

D104

C168

C169

Q205

Q401

Q402

L211

L215

C190

L223

L225

L228

TK-3212/3217  

PC BOARD

TX-RX UNIT (X57-7130-XX)  Foil side view (J72-0968-09)
-10 : TK-3212 (K,M)   -11 : TK-3212 (K2,M2)   -21 : TK-3217 (M)

Ref. No. Address

IC1

9O

IC201

5N

IC401

9S

IC402

8S

IC406

5Q

IC407

8Q

Q1

7O

Q2

8L

Ref. No. Address

Q3

9M

Q4

8J

Q5

8I

Q6

8K

Q7

10L

Q9

6L

Q100

7J

Q101

6I

Ref. No. Address

Q102

7G

Q103

7F

Q203

4N

Q204

4K

Q205

4G

Q401

8B

Q402

8B

Q403

8R

Ref. No. Address

Q404

8R

Q405

9R

D1

10Q

D2

9K

D3

10M

D4

9K

D5

10L

D6

9J

Ref. No. Address

D7

10J

D8

10L

D9

10L

D10

8J

D101

6K

D103

4D

D104

3C

D106

4D

Ref. No. Address

D122

4D

D202

6K

D203

4H

D204

4G

D205

3F

D206

4F

D210

4J

D402

4R

Summary of Contents for TK-3212

Page 1: ... 3212 CONTENTS GENERAL 2 SYSTEM SET UP 2 OPERATING FEATURES 3 REALIGNMENT 4 DISASSEMBLY FOR REPAIR 9 CIRCUIT DESCRIPTION 12 SEMICONDUCTOR DATA 16 COMPONENTS DESCRIPTION 17 TERMINAL FUNCTION 17 PARTS LIST 18 EXPLODED VIEW 24 PACKING 25 ADJUSTMENT 26 PC BOARD TX RX UNIT X57 7130 XX 32 SCHEMATIC DIAGRAM 36 BLOCK DIAGRAM 40 LEVEL DIAGRAM 42 KSC 31 KNB 29N KBH 10 43 SPECIFICATIONS BACK COVER This produ...

Page 2: ...blication 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 to all parts components kits or chassis If the part number is not known include the chassis or kit number of which it is a part and a sufficient desc...

Page 3: ...ust the volume Turn counterclockwise fully to switch OFF the transceiver 4 Transmit Busy Call indicator This LED lights red while transmitting and green while re ceiving a call The LED flashes orange while receiving an encoded call i e Code Squelch etc and red when the battery power is low while transmitting 5 Release Latch Press the release latch to unlock and remove the battery pack 6 Safety Cat...

Page 4: ...when it is written into the EEPROM Change the TK 3212 3217 to 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 3212 3217 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 3212 3217...

Page 5: ...ne mode after cloning The slave unit will return to user mode after a successful cloning Notes The dealer can clone data to two or more transceivers by repeating the above procedures If the transceivers Clone Mode is configured as Disabled the transceiver cannot enter Clone mode The table shown below will cover the frequency tables used for wireless cloning Clone mode cannot be entered in battery ...

Page 6: ...splayed if the entered password is correct If the password is incorrect SLF LOCK R SLF LOCK W is redisplayed 5 3 Channel Selection Mode In this mode the Zone or Channel can be selected Press and hold the S key for 2 seconds while turning the transceiver power on to enter self programming mode When the transceiver enters in the self programming mode the transceiver automatically enters the Channel ...

Page 7: ... of the frequency blinks RX TX frequency only The icon of the current signaling configuration blinks RX TX signaling only A Abort the current settings and return to the Item Selection mode without backup B Toggle Decrease the blinking value C Toggle Increase the blinking value S Power ON Read authorization password Overwrite password entry 6 digits Self programming mode SELF Zone I I Channel selec...

Page 8: ... B C S A A B C S Display TONE OFF 67 0 QT 023N DQT 023 I DQT Wide Narrow selection Wide Narrow 5 Wide Narrow S B C S Stored A Not stored Display W 5 BAND Hi Low selection Hi Low 6 RF power Hi Low S B C S Stored A Not stored Display HI 6 PWR Del Add selection Del Add 7 Scan Del Add S B C S Stored A Not stored Display ADD 7 SCN on off selection on off 8 Beat shift on off or 9 Compander on off S B C ...

Page 9: ... RX unit 2 Remove the eleven screws fixing the TX RX unit 3 Remove the mounting hardware of the SP MIC 4 Remove the solder of the antenna terminal with a soldering iron 5 Remove the solder of the positive terminal with a soldering iron Ω 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 1...

Page 10: ...he battery release lever slightly forward x so that the thick spring G01 4542 04 is positioned below the case surface 3 With the thick spring positioned below the case surface attach the other side of the shaft to the case assembly by pressing the battery release lever c until it snaps into place v Note Be careful not to tilt the battery release lever too forward If the battery release lever is pu...

Page 11: ...e assembly reposition the packing with your fingers 4 4 3 LCD ASSY Installation Procedure 1 Insert the two tabs on the left side of the illumination guide into the matching slots of the mounting hardware z 2 Insert the tab on the right side of the illumination guide into the mounting hardware using a pair of tweezers x then press the illumination guide down until it snaps into place c 3 Ensure tha...

Page 12: ... Strength Indicator The second mixer mixes the first IF signal with the 38 4MHz of the second local oscillator output TCXO X1 and produces the second IF signal of 450kHz The second IF signal is passed through the ceramic filter CF201 to remove the adjacent channel signal The filtered second IF signal is amplified by the limiting amplifier and demodulated by the quadrature detector with the ceramic...

Page 13: ...n oscillator signal is divided at IC1 by a fixed counter to produce oscillator VCO output signal which is buffer amplified by Q2 then divided in IC1 by a programmable counter The divided signal is compared in phase with the 5 or 6 25kHz reference signal from the phase comparator in IC1 The output signal from the phase comparator is filtered through a low pass filter and passed to the VCO to contro...

Page 14: ...T DQT data of the QTTCXO Line is output from pin 28 of the CPU The signal passes through a low pass CR filter and goes to the TCXO X1 The QT DQT data of the QTVCO Line is output from pin 24 of the CPU The signal passes through 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 ...

Page 15: ...he microprocessor The transceiver generates a warning tone when the battery voltage falls below the warning voltage 2 shown in the table 1 The red LED blinks when the battery voltage falls below the voltage 1 shown in the table during transmission Transmission is still allowed Note The transceiver checks the battery voltage during reception even when in the FPU the Battery Warning status function ...

Page 16: ...X_SW O TX VCO switch 39 GND GND 40 PLL_UL I PLL unlock detect input 41 PLL_STB O PLL strobe output 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 48 NC NC 49 EN1 I Channel selector input 50 NC NC 51 OPTDET I Headset input detect 52 AF_CONT O Speaker mute 53 DO O LCD driver 54 CE O LCD driver 55 CL O LCD driver 56 DI I LCD driver 57 59 NC N...

Page 17: ...r DC switch RX VCO 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 Transistor APC switch Q108 FET APC switch Q109 Transistor APC switch Q202 Transistor W N switch RX Q203 Transistor IF AMP Q204 FET Mixer Q205 FET RF AMP Q301 Transistor W N switch TX Q302 Transisto...

Page 18: ...4 CK73HB1H102K CHIP C 1000PF K C25 CC73HCH1H020B CHIP C 2 0PF B C26 CC73HCH1H300J CHIP C 30PF J C27 C92 0697 05 CHIP TAN 3 3UF 16WV C29 CK73HB1H471K CHIP C 470PF K C32 C92 0001 05 CHIP TAN 0 1UF 35WV C33 34 CK73HB1H102K CHIP C 1000PF K 1 1B A02 3894 13 PLASTIC CABINET ASSY 2 3A A10 4078 31 CHASSIS 3 2C B09 0680 03 CAP SP MIC ACCESSORY 4 2B B11 1817 04 ILLUMINATION GUIDE TX RX 5 1A B11 1830 03 ILLU...

Page 19: ...IP C 470PF K C112 CC73GCH1H070D CHIP C 7 0PF D C113 CK73GB1C104K CHIP C 0 10UF K C116 CC73GCH1H110J CHIP C 11PF J C119 CK73GB1H471K CHIP C 470PF K C122 CC73GCH1H330J CHIP C 33PF J C123 CC73GCH1H330G CHIP C 33PF G C124 CC73HCH1H100D CHIP C 10PF D C125 CC73GCH1H060B CHIP C 6 0PF B C126 C92 0004 05 CHIP TAN 1 0UF 16WV C127 CC73GCH1H200J CHIP C 20PF J C128 CK73HB1H471K CHIP C 470PF K C129 CK73GB1H471K...

Page 20: ...HIP C 2 0PF B C270 271 CK73HB1H471K CHIP C 470PF K C272 CC73GCH1H020B CHIP C 2 0PF B C273 CC73GCH1H180J CHIP C 18PF J AK2 AM2 C273 CC73GCH1H220J CHIP C 22PF J AK AM BM C274 CC73GCH1H010B CHIP C 1 0PF B BM C274 CC73GCH1H1R5B CHIP C 1 5PF B AK2 AM2 C274 275 CC73GCH1H020B CHIP C 2 0PF B AK AM C275 CC73GCH1H030B CHIP C 3 0PF B BM C275 CC73GCH1H2R5B CHIP C 2 5PF B AK2 AM2 C276 CC73GCH1H020B CHIP C 2 0P...

Page 21: ...D INDUCTOR 15NH AK AM BM L105 L40 2275 54 SMALL FIXED INDUCTOR 22NH AK2 AM2 L106 L92 0149 05 CHIP FERRITE L107 L40 1263 92 SMALL FIXED INDUCTOR 1 2NH L109 L92 0149 05 CHIP FERRITE L110 L40 2285 54 SMALL FIXED INDUCTOR 220NH L111 L40 1092 81 SMALL FIXED INDUCTOR L201 L40 1091 37 SMALL FIXED INDUCTOR 1 000UH L202 L92 0138 05 CHIP FERRITE L203 L40 5685 85 SMALL FIXED INDUCTOR 0 56UH L204 L40 2785 92 ...

Page 22: ...W R212 RK73HB1J823J CHIP R 82K J 1 16W R213 RK73HB1J392J CHIP R 3 9K J 1 16W R215 RK73HB1J101J CHIP R 100 J 1 16W R216 RK73HB1J124J CHIP R 120K J 1 16W R217 RK73HB1J472J CHIP R 4 7K J 1 16W R218 RK73HB1J561J CHIP R 560 J 1 16W R219 RK73GB1J561J CHIP R 560 J 1 16W R226 227 RK73GB1J102J CHIP R 1 0K J 1 16W R228 RK73GB1J151J CHIP R 150 J 1 16W R233 RK73HB1J104J CHIP R 100K J 1 16W R236 RK73HB1J563J C...

Page 23: ... R12 7491 05 TRIMMING POT 68K S1 3 S70 0414 05 TACT SWITCH MIC1 2A T91 0648 05 MIC ELEMENT D1 MA2S111 DIODE D2 9 HVC376B VARIABLE CAPACITANCE DIODE D10 1SV278 VARIABLE CAPACITANCE DIODE D11 MA2S111 DIODE D101 HSC277 DIODE D102 HZU5CLL ZENER DIODE D103 HVC131 DIODE D104 HSC277 DIODE D106 HSC277 DIODE D122 HVC131 DIODE D202 HSC277 DIODE D203 206 HVC355B VARIABLE CAPACITANCE DIODE D210 HVC355B VARIAB...

Page 24: ...PLODED VIEW A N14 0819 04 B N14 0820 04 C N30 2604 46 D N30 2606 46 E N83 2005 46 6 5 Ex2 Ex2 Ex2 E Dx2 Ex2 Ex2 C C E A B Ex2 15 25 51 66 29 34 2 28 38 CF201 57 40 19 33 36 18 17 62 53 27 10 61 60 67 39 56 1 14 58 59 30 4 22 12 24 13 71 35 50 52 23 31 21 57 11 9 16 32 700 57 MIC1 101 TX RX unit ...

Page 25: ... 1039 15 TK 3212 K M T90 1040 15 TK 3212 K2 M2 73 AC ADAPTER W08 0970 05 TK 3212 K K2 W08 0971 05 TK 3212 M M2 702 KNB 29N Ni MH BATTERY PACK 72 CHARGER W08 0969 05 44 ITEM CARTON CASE H52 2071 02 TK 3212 K K2 M M2 H52 2072 02 TK 3217 M 54 BELT CLIP J29 0713 03 41 PACKING FIXTURE H12 3179 05 42 CARTON BOARD H13 2109 03 65 SCREW SET N99 2043 05 55 HANDSTRAP J69 0352 05 TK 3217 M 46 HOLDER SP MIC J1...

Page 26: ... adjustment 1 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 2 Repair Jig Chassis Use jig part No A10 4086 03 for repairing the TK 3212 3217 Place the TX RX unit on the jig and fit it with screws The jig faci...

Page 27: ... 100MHz Signaling Signaling 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 10 None MSK Preparations for tuning the transceiver Before attempting to tune the transceiver connect the unit to a suitable power supply Whenever the transmitter is tuned...

Page 28: ...uipment Terminal Parts Method Remarks ADJUSTMENT 1 Setting 1 BATT terminal votage 7 5V 2 SSG standard modulation Wide MOD 1kHz DEV 3kHz Narrow MOD 1kHz DEV 1 5kHz 2 VCO lock 1 CH High Power meter ANT TC2 3 4V TK 3212 K M 0 1V voltage DVM CV 3 0V TK 3212 K2 M2 RX TK 3217 M 2 CH Low Check 0 6V or more 3 VCO lock 3 CH High TC1 3 1V TK 3212 K M 0 1V voltage PTT ON 3 0V TK 3212 K2 M2 TX TK 3217 M 4 CH ...

Page 29: ...wave into 3 points square waves LPF 3kHz HPF OFF PTT ON Narrow TEST CH Center PTT ON 8 QT 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 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 0...

Page 30: ...B A_View Norm B_Blank Norm 54 63 dBm REF 20 0 dBm MKR 490 MHz CENTER 490 MHz SPAN 200 0 MHz RBW 30 kHz VBW 30 kHz SWP 450 ms ATT 5 dB 10 dB A_View Norm B_Blank Norm 53 38 dBm REF 20 0 dBm MKR 450 MHz CENTER 450 MHz SPAN 200 0 MHz RBW 30 kHz VBW 30 kHz SWP 450 ms ATT 5 dB 10 dB A_View Norm B_Blank Norm 53 85 dBm CENTER 470 MHz CENTER 490 MHz CENTER 450 MHz REF 20 0 dBm MKR 491 MHz CENTER 491 MHz SP...

Page 31: ...ow Software writing High KPG 100D Wide SSG otuput 123 dBm 0 16µV 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 75V DVM ANT Write BATT terminal Detection BATT terminal voltage 5 75V Wri...

Page 32: ...R409 R410 R422 C201 TH203 C401 C402 C405 C214 C215 C217 C418 C419 C77 C430 C432 C433 C434 Q302 IC404 CP404 CP406 CP407 D11 R301 R306 R307 R312 R314 R315 R317 R319 R322 R901 R902 R329 R331 C301 C310 C311 R353 C317 C319 R355 C323 C324 C325 C901 C326 C902 C327 C329 R26 F401 FUSE C330 Q8 C332 C333 R42 C354 D301 D302 L402 L404 AUX IC403 TK 3212 3217 PC BOARD TX RX UNIT X57 7130 XX Component side view J...

Page 33: ... OPT DET 5MS MIC MICIN B D G S D S G IC101 1 4 5 8 AE SPI SPO D S G TXD TXD NC IC302 1 5 6 10 SB CN401 1 8 GND DOWN UP GND AFO AFI SB B J72 0968 09 CN13 ANT D G S R408 R412 R413 R414 C403 C406 C408 C77 C424 Q104 Q107 Q108 Q109 Q303 Q306 D403 D404 L302 D11 R127 R128 R129 R131 R135 R334 R141 R335 R339 R340 R341 R346 R348 C126 Q8 C140 C336 C338 C344 R42 D102 TX RX UNIT X57 7130 XX Component side view...

Page 34: ...13 ANT D G S 1 1 3 3 4 4 5 5 R211 R407 R408 R412 R413 R414 R416 R419 R409 R410 R422 C201 TH203 C401 C402 C403 C405 C406 C214 C408 C215 C217 C418 C419 C77 C424 C430 C432 C433 C434 Q104 Q107 Q108 Q109 Q302 Q303 Q306 D403 D404 L302 IC404 CP404 CP406 CP407 D11 R301 R306 R307 R312 R314 R315 R317 R319 R127 R128 R129 R322 R131 R901 R902 R135 R329 R331 R334 R141 R335 R339 C301 R340 R341 R346 R348 C310 C31...

Page 35: ...C246 R256 R258 R450orC248 R452 R453 C2 C24 C245 C247 TC1 C444 C251 C445 C252 C253 C254 C256 Q100 C258 D6 D7 C262 D203 D204 C265 C267 C268 L101 L103 L107 C275 L109 L110 C293 R103 R106 R110 R111 R112 R123 R124 R137 L13 R337 C107 C108 R145 R148 L22 C119 C124 C128 Q5 C142 C348 C154 R191 R192 C156 R194 C158 C163 D104 C168 C169 Q205 Q401 Q402 L211 L215 C190 L223 L225 L228 TK 3212 3217 PC BOARD TX RX UNI...

Page 36: ...1 20 1 3 4 5 D S G 1 3 4 5 IC406 1 4 5 8 C22 R210 XF201 C26 C27 R217 CN201 C32 C35 R417 R418 C38 R226 R227 C40 R420 C43 R424 R425 X3 C47 R233 C50 R240 C207 L290orL206 C58 C208 C59 CD201 C60 C210 C62 C63 C213 C407 C64 C409 C66 C67 R447 C68 C219 46 C220 C71 C221 C73 C74 C78 C228 C421 C230 C426 C83 C427 C233 C84 C85 C429 R470 C241 7 C3 C440 TC1 TC2 C7 C443 C8 C9 Q100 D6 D7 D8 D9 D202 D402 IC401 IC402...

Page 37: ...L206 C58 C208 C59 CD201 R249 C60 C210 C62 C63 C213 C407 C64 C409 C66 R253 C67 R447 R254 C68 C69 C219 R449orC246 R256 R258 C220 R450orC248 C71 C221 R452 R453 C73 C74 C78 C228 C421 C230 C426 C83 C427 C233 C84 C85 C429 R470 C241 C245 C247 C3 C440 TC1 TC2 C7 C443 C8 C444 C251 C9 C445 C252 C253 C254 C256 Q100 C258 D6 D7 D8 D9 C262 D202 D203 D204 C265 C267 C268 L101 D402 L103 L107 C275 L109 L110 IC401 I...

Page 38: ... 10p C11 100p C409 1u C405 100p C2 6800p C410 1u R9 0 R3 33k 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 40 41 42 43 44 45 46 47 50 LCD ASSY B38 0906 15 LCD S24 S22 S23 S25 S16 S17 S14 S18 S15 S26 S27 S19 S28 C4 S6 S7 S4 S8 S5 S11 S12 S9 S13 S10 S20 S29 S30 S31 S32 BATT 1 BATT 37 S33 REVERSE PROTECTION 5V PROTECTION S21 C1 C2 S1 S2 C3 TX RX UNIT X5...

Page 39: ...IM1 SIM2 5T_C 5R_C 5C_C BATT RSSI BUSY VOX QT DQT_IN TH_DET AVSS VREF AVCC MIC_MUTE 5C PLL_CLK PLL IC F_IN AMP CE CL 5M DC SW TX VCO CV DI SB CURRENT STEERING EN1 EN2 VCO OSCILLATION TX BATT TX MODULATION 5T SW INT VCO OSCILLATION RX AUX DO PLL_STB PLL_DAT DC SW RX VCO VCO RX RESET MODULATOR SW1 PTT PTT GND PLL_UL QTTCXO SW2 SW2 SW1 B TK 3212 TK 3212 TK 3217 9p C58 6p 4p 3p C61 3p 5p 5p C64 4p 6p ...

Page 40: ... 330 C107 6p R453 22k C108 470p R452 10k L102 C110 470p R110 330 L101 15n C113 0 1u C111 470p R111 0 R112 0 C112 7p C230 0 01u L202 C232 0 01u R227 1k R228 150 C238 0 1u C237 1000p C234 1000p C236 18p L204 270n L203 0 56u R226 1k C239 1000p R236 56k L290 L206 R233 100k C240 3 5p B R451 68 C302 270p R304 27k R301 10k C301 3900p C316 0 1u 1 2 3 4 5 6 7 8 BUSY RSSI OPTDET PTTSW SB QT DQT_IN W N SW TX...

Page 41: ... C292 470p R251 100k R248 220 C263 470p R249 22 C262 470p L215 220n C256 4 7u6 3 C258 470p C259 470p R240 0 R238 100k C241 470p R239 56k L410 R241 R450 C248 B L211 C246 B R449 C245 D210 C244 B L212 C247 C249 B D203 HVC355B C250 R243 1 0M C252 B C253 B D204 HVC355B C255 R244 1 0M C257 L214 C251 470p C254 470p R331 150k C357 4700p RF BPF TUNING D203 204 OPTDET ANT PCTV TXD RXD PTT TX_W N 5T SB PTTSW...

Page 42: ... C301 3900p R331 150k C316 0 1u 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 QTVCO 25 DTRLOADN 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 OPTDET 52 AF_CONT 53 DO 54 CE 55 CL 56 DI 57 58 59 60 VCC 61 62 VSS 63 GND 64 GND 65 66 67 68 69 AUX 70 71 72 LEDTX 73 LEDRX 74 PF1 75 PF2 SIM1 SIM2 5T_C 5R_C 5C_C BATT RSSI BUSY VOX QT DQT_IN ...

Page 43: ...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 AQUAXIN 5M EN1 EN2 X1 L77 1931 05 LPF QTVCO LPF QTTCXO Q202 RT1P441U 5C 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 X3 L77 1633 05 7 37MHz EEPROM SW Q407 2SK1830 TXAFI ...

Page 44: ...XOUT PF2 PF1 PTT 5M MICROPROCESSOR IC405 30620MCP GP 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 2SK2596 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 Q101 2SK3077 SW Q10...

Page 45: ...mVrms 3 8dBm 15 0dBm 31 5dBm 4 0W 7 3dBm IF1 38 85MHz AF 1kHz AF 1kHz 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 bec...

Page 46: ...H x 100 0D mm 3 3 8W x 1 7 8H x 4D inches Weight Charger only Approx 100g 0 22 lbs Specifications KNB 29N Ni MH BATTERY PACK 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 KBH 10 BELT CLIP External View ...

Page 47: ... with less than 10 distortion Transmitter Measurements made per TIA EIA 603 RF Output Power 4W 1W Spurious Response 65dB Type of Emission 16K0F3E Wide 11K0F3E Narrow FM Hum and 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 Bea...

Reviews:

No comments