Kenwood TK-3312 Service Manual Download Page 43

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SCHEMATIC DIAGRAM

TK-3312/3317

-t

DRVOUT

APCDB

TXBIAS

50R

BPF1

C486

(B)

L419

8.2n

C250

C 4 6 1

1 p

C474

470p

C923

10u

C463

R235

82k

F 8 0 2

F 5 3 - 0 3 1 9 - 1 5

D203

RN142S

C225

470p

R 9 3 1

C936

1000p

C 2 4 3

4 7 0 p

I C 8 1 5

TA 7 3 6 8 F G

1 N C 1

2 V C C

3 N C 2

4 V I N

5 R I P P L E

N F

P H A S E

P R E - G N D

P W- G N D

1 0

P o U T

C470

470p

L418

8.2n

Q 8 1 6

U PA 6 7 2 T- A

C930

1000p

R 9 1 5

1 . 5 k

R228

10k

C 2 4 9

3 p

C244

470p

C 2 5 6

2 p

C255

C 4 6 7

1 p
(B)

C235

0.01u

C224

470p

R965

R 9 2 4

4 7 0 k

C458

18p

R233

270

L 2 2 0

C257

2.5p

R935

10k

Q 8 2 2

RT 1 N 1 4 1 U - T 111

R 4 5 7

C485

15p

R464

R 2 3 1

C238

0.3p

L216

220n

R450

470k

D404

HVC350B

3 S K 2 9 3 - F

Q 4 0 7

C230

150p

R446

470k

R920

560

C237

3.5p

C925

0.047u

C234

L 8 0 1

R447

C 9 1 4

1 u

C479

(B)

L 2 1 8

1 . 8 n

C929

470p

R926

270k

R226

R923

150

C260

24p

R 4 5 8

R461

470k

D408

HVC350B

L 2 2 9

1 . 2 n

C 2 4 7

4 7 p

R449

330

R453

820k

C245

R 9 2 8

2 7 k

C227

43p

L414

8.2n

D407

HVC350B

L 2 1 9

C246

C 4 5 9

3 . 5 p

C248

0.75p

L 2 2 1

R922

47k

C 4 8 4

3 p (B)

C480

15p

L 2 1 7

D204

RN142S

C233

0.1u

C 4 8 2

1 . 5 p (B)

C921

100p

C229

150p

2 S K 3 5 7 7 - A

Q 8 1 8

R D 0 7 M U S 2 B T 11 2

Q 2 0 5

2 S K 3 5 7 7 - A

Q 8 1 9

C919

1000p

C 4 6 6

2 p

(B)

C261

R921

47k

C 4 7 8

4 7 0 p

C460

470p

C468

18p

CP817

47kx2

TXD

C242

(B)

D 2 0 1

H V C 1 3 1

C464

18p

R 4 4 8

C457

L491

8.2n

C 4 8 7

1 0 p

(B)

C462

470p

L416

270n

C228

10p

D803

GN1G

D405

HVC350B

R927

47k

R456

150k

C81

1000p

C263

10p

R 9 2 9

1 k

R467

L413

8.2n

L 4 1 5

D403

HVC350B

Q 8 1 7

RT 1 N 4 4 1 U - T 111

R455

100k

C465

470p

TH201

220k

2 S B 1 6 9 4

Q 8 1 4

R918

47k

C481

470p

L21

C932

470p

C917

1000p

PTT/RXD

R451

470k

C920

J802

E11-0703-05

PTT/RXD

MIC

MICIN

OPTDET

5M
AE

TXD

SPO

SPI

D 2 0 2

H V C 1 3 1

C965

2.2u

C918

1000p

R468

C 2 5 3

0 . 3 p

R224

18k

C226

33p

C 4 9 5

4 7 0 p

C 9 2 2

0 . 1 u

C475

470p

R919

6.8k

C 9 2 6

1 0 0 u 6.3

R462

470k

C 9 2 4

1 0 0 p

C477

0.1u

C 4 8 9

5 p

R452

100k

F 8 0 1

F 5 3 - 0 3 2 4 - 1 5

L444

33n

R232

270

L 2 1 0

Q 8 1 5

U PA 6 7 2 T- A

C931

470p

C469

(B)

R463

Q 8 1 3

RT 1 N 1 4 1 U - T 111

R 9 3 0

1 0 0

C916

1000p

R925

330k

R937

10k

A F A M P

STRIP LINE

D C S W

I N T- M I C

I N T- S P

E X T-
S P / M I C

7.5V

BATTERY

(2.5A)

A N T

F I N A L

R F A M P

A F M U T

(1.0A)

OPTDET

PTT/RXD

MIC

PTT/RXD1

EMPTT

VOLOUT

50M

50V

33M

TXD
AFCONT

50T

THDET

33M

A N T S W

B P F T U N I N G

B P F
T U N I N G

L E V E L
C O N V E RT E R

A N T S W

PROTECTION

ON: 0V
OFF:7.4V

2.2k

RXRF

7.5V

ON:7.4V
OFF: 0V

ON:3.3V
OFF: 0V

5.0V

R:2.9V
T: 0V

R:4.4V
T:0V

H : 1 . 4 V
L : 0 . 7 V

R: 0V
T:0.8V

7.5V

R: 0V
T:4.9V

R:5.0V
T: 0V

MUTE

Note : The components marked with a dot (

•

) are parts of layer 1.

X57-789 6/6

TX-RX UNIT (X57-7890-20)

Summary of Contents for TK-3312

Page 1: ...19 EXPLODED VIEW 26 PACKING 27 ADJUSTMENT 29 PC BOARD TX RX UNIT X57 7890 20 34 SCHEMATIC DIAGRAM 38 BLOCK DIAGRAM 44 LEVEL DIAGRAM 46 OPTIONAL ACCESSORIES KNB 29N Ni MH Battery Pack 47 KNB 45L Li ion Battery Pack 47 KNB 53N Ni MH Battery Pack 47 KMC 48GPS GPS Speaker Microphone 47 SPECIFICATIONS BACK COVER Whip antenna T90 1039 25 TK 3312 K2 M2 TK 3317 P T90 1041 25 TK 3317 M7 Knob Selector K29 9...

Page 2: ... OF THIS MANUAL This manual is intended for use by experienced techni cians familiar with similar types of commercial grade com munications equipment It contains all required service information for the equipment and is current as of the pub lication date Changes which may occur after publication are covered by either Service Bulletins or Manual Revisions These are issued as required ORDERING REPL...

Page 3: ...Firmware version information mode Self programming mode Mode Function User mode For normal use PC mode Used for communication between the trans ceiver and PC Mode Function 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 t...

Page 4: ...ircuit in its D sub connector KPG 22 25 pin KPG 22A 9 pin case that converts the RS 232C logic level to the TTL level The KPG 22 22A connects the SP MIC connector of the transceiver to the RS 232C serial port of the computer 3 4 KCT 53U Description USB adapter Option The KCT 53U is a cable which connects the KPG 22A to a USB port on a computer When using the KCT 53U install the supplied CD ROM wit...

Page 5: ...e table shown below will cover the frequency tables used for wireless cloning Wireless clone mode cannot be entered in battery low state A unit cannot be a Source Unit if it is unprogrammed If the S key is pressed an error tone will sound Once a unit is set to be the source it cannot be a target after the data has been transmitted This protects the data in the source unit MSK signaling is used in ...

Page 6: ...splayed if the entered pass word 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: ...digit of the frequency blinks RX TX fre quency 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 5 6 Self Programming Mode flow chart Channel selection mode flow chart Data password S Power ON SLF LOCK R or Displa...

Page 8: ...lector A QT Selector A DQT N Selector S Tone off B C B C S S S B C A DQT I 5 RF power Hi Low S Hi Low selection Hi Low S Stored A Not stored Display 6 PWR HI B C 6 Scan Del Add S Del Add selection Del Add S Stored A Not stored Display 7 SCN ADD B C 7 Beat shift on off or 8 Compander on off S on off selectionon on on S Stored A Not stored Display 8 SFT ON or 9 CMP ON B C Current setting value Value...

Page 9: ...ove the solder of the antenna terminal with a solder ing iron u 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 1605 03 that is on the positive terminal to the chassis in assembling So it is advisable to remove the so...

Page 10: ...elease lever is pushed 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 6 Assembling the Battery Release Lever 1 Place the lever w onto the stopper q 2 Place the thick spring e onto the lever 3 Hook the right and left ends of the thin spring r onto the tabs of the stopper then place the thin spr...

Page 11: ...rew the antenna receptacle to the chassis in the order 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 the volume knob and channel knob are different from one another The nut of volume knob is silver and the n...

Page 12: ...MP XF401 MCF Q405 IF AMP IC815 AF PA BPF1 1st Local BPF CF402 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 L418 and L419 and is then amplified by the RF amplifier Q407 The resulting signal passes through a BPF L419 L418 L491 L414 and L413 and goes to the mixer These BPFs are...

Page 13: ...404 R406 C402 C414 R408 R411 R415 D402 CF401 CF402 C424 R423 R424 Q401 R426 50C AFOUT CD401 Q404 R409 IC402 R471 Fig 3 Wide Narrow switching circuit 2 5 Audio Amplifier Circuit The demodulated signal from IC401 is sent to an AF am plifier through baseband IC IC812 and is routed to an au dio power amplifier IC815 where it is amplified and output to the speaker 2 6 Squelch Circuit Part of the AF sig...

Page 14: ...o apply voltage to pin 1 of the TCXO The output of the TCXO is applied to pin 10 of PLL IC The VCO consists of 2 VCO and covers a dual range of 400 05 470 05MHz and 450 520MHz or 350 05 420 05MHz and 400 470MHz The VCO generates 400 05 470 05MHz or 350 05 420 05MHz for providing the first local signal for reception The operating frequency is generated by Q5 in transmitting mode and Q4 in receiving...

Page 15: ...seband IC H OFF L ON MCU XIN X802 39 40 XOUT XIN Q806 C846 R857 MCU BSHIFT Fig 7 Frequency shift circuit 5 2 Memory Circuit The Memory circuit consists of the MCU IC820 and EEPROM IC810 The EEPROM has a capacity of 512k bits and stores the channel information the last channel data the scan on status and other parameters EEPROM Note The EEPROM stores tuning data Deviation Squelch etc Realign the tr...

Page 16: ... When encoding the MSK DTMF the microphone input signal is muted 6 2 Dceode QT DQT The output signal from the IF IC IC401 enters the MCU IC820 through IC812 IC820 determines whether or not the QT or DQT matches the preset value and controls the AFSW and speaker output sounds according to the squelch results 2 tone Part of the received AF signal output from the IF IC IC401 passes through the baseba...

Page 17: ... CE O For FDT tool 40 CM_CLK O Baseband IC clock output SEMICONDUCTOR DATA Pin No Signal Name I O Function 41 CM_DTI I Baseband IC data input 42 CM_CNS O Baseband IC chip select output 43 DC_SW O APC voltage discharge switch 44 KEY1O O Key Matrix output 1 45 KEY2O O Key Matrix output 2 46 KEY3O O Key Matrix output 3 47 KEY4O O Key Matrix output 4 48 KEY1I I Key Matrix input 1 49 KEY2I I Key Matrix...

Page 18: ... Mixer 1st mixer Q407 RF amplifier RX VHF Q801 DC switching Blue LED Q802 DC switching 50T from 50M Q803 DC switching 50R from 50M Q804 DC switching 33MS from 33M COMPONENTS DESCRIPTION Ref No Use Function Operation Condition Q805 DC switching Green Red LED Q806 DC switching MCU clock shift circuit Q809 DC switching MIC mute Q810 811 Amplifier AGC control Q813 DC switching Q814 control Q814 DC swi...

Page 19: ...1E J29 0734 05 BELT CLIP ACCESSORY 52 2A J82 0127 05 FPC 54 1B K29 9309 13 KNOB VOL 55 1A K29 9425 03 BUTTON KNOB PTT 56 1A K29 9426 03 BUTTON KNOB SIDE1 2 57 1B K29 9427 03 KNOB SELECTOR 58 1A K29 9463 02 KEY TOP 7KEY A 2A N14 0848 05 CIRCULAR NUT SELECTOR B 2B N14 0849 05 CIRCULAR NUT VOL C 2A N30 2604 48 PAN HEAD MACHINE SCREW SMA D 3A N30 2606 48 PAN HEAD MACHINE SCREW E 2B 3A N83 2005 48 PAN ...

Page 20: ... J C233 CK73GB1C104K CHIP C 0 10UF K C234 CK73GB1A105K CHIP C 1 0UF K C235 CK73HB1E103K CHIP C 0 010UF K C237 CC73GCH1H3R5B CHIP C 3 5PF B C238 CC73GCH1H0R3B CHIP C 0 3PF B C242 CC73GCH1H070B CHIP C 7 0PF B C243 CC73GCH1H471J CHIP C 470PF J C244 CK73HB1H471K CHIP C 470PF K C245 CC73HCH1H090B CHIP C 9 0PF B C246 CC73GCH1H060B CHIP C 6 0PF B C247 CC73GCH1H470J CHIP C 47PF J C248 CC73GCH1HR75B CHIP C...

Page 21: ... CHIP C 1000PF K C840 CK73HB1H332K CHIP C 3300PF K C842 CK73HB1H392K CHIP C 3900PF K C843 CK73HB1H102K CHIP C 1000PF K C844 CK73HB1A104K CHIP C 0 10UF K C846 CC73HCH1H050B CHIP C 5PF B C848 CK73HB1H271K CHIP C 270PF K C849 CK73HB1A104K CHIP C 0 10UF K C850 CK73HB1H102K CHIP C 1000PF K C852 CK73HB1A104K CHIP C 0 10UF K C857 CK73HB1H332K CHIP C 3300PF K C858 CK73HB1E682K CHIP C 6800PF K C859 CK73HB1...

Page 22: ... 39 SMALL FIXED INDUCTOR 0 68UH L408 L40 1575 57 SMALL FIXED INDUCTOR 15 0NH L409 L40 2785 92 SMALL FIXED INDUCTOR 270NH L410 L40 1575 57 SMALL FIXED INDUCTOR 15 0NH L411 L40 3975 92 SMALL FIXED INDUCTOR 39NH L413 414 L41 8268 14 SMALL FIXED INDUCTOR 8 2NH L415 L92 0138 05 CHIP FERRITE L416 L41 2785 14 SMALL FIXED INDUCTOR 270NH L418 419 L41 8268 14 SMALL FIXED INDUCTOR 8 2NH L444 L40 3375 57 SMAL...

Page 23: ... 0M J 1 16W R406 RK73HB1J182J CHIP R 1 8K J 1 16W R408 RK73HB1J103J CHIP R 10K J 1 16W R409 RK73HB1J153J CHIP R 15K J 1 16W R410 RK73HB1J334J CHIP R 330K J 1 16W R411 RK73HB1J103J CHIP R 10K J 1 16W R414 RK73HB1J101J CHIP R 100 J 1 16W R415 RK73HB1J182J CHIP R 1 8K J 1 16W R416 RK73HB1J102J CHIP R 1 0K J 1 16W R417 RK73HB1J474J CHIP R 470K J 1 16W R419 RK73HB1J334J CHIP R 330K J 1 16W R421 422 RK7...

Page 24: ...5J CHIP R 1 0M J 1 16W R910 911 RK73HB1J103J CHIP R 10K J 1 16W R912 RK73HB1J000J CHIP R 0 0 J 1 16W R913 RK73HB1J182J CHIP R 1 8K J 1 16W R914 RK73HB1J471J CHIP R 470 J 1 16W R915 RK73HB1J152J CHIP R 1 5K J 1 16W R916 RK73HB1J123J CHIP R 12K J 1 16W R918 RK73HB1J473J CHIP R 47K J 1 16W R919 RK73HB1J682J CHIP R 6 8K J 1 16W R920 RK73HB1J561J CHIP R 560 J 1 16W R921 922 RK73HB1J473J CHIP R 47K J 1 ...

Page 25: ... FET Q8 9 2SC5636 TRANSISTOR Q11 SSM3J05FU F FET Q12 2SK1830F FET Q201 2SC5636 TRANSISTOR Q203 2SC5455 A TRANSISTOR Q204 RD01MUS1 T113 FET Q205 RD07MUS2BT112 FET Q301 RT1N140U T111 TRANSISTOR Q303 2SK1830F FET Q304 RT1N141U T111 TRANSISTOR Q305 2SK1824 A FET Q306 RT1P441U T111 TRANSISTOR Q401 RT1N441U T111 TRANSISTOR Q403 KTC4080E P TRANSISTOR Q404 RT1P441U T111 TRANSISTOR Q405 KTC4080E P TRANSIST...

Page 26: ... 30 31 35 47 57 4 54 17 11 9 22 13 52 36 24 W1 21 56 TX RX unit 49 64 41 25 702 27 19 14 16 39 VR1 C A B C Dx2 E E E E E E Ex2 Ex2 55 701 X57 28 101 46 15 5 Ex2 34 X57 107 X57 103 X57 102 X57 105 X57 109 Parts with the exploded numbers larger than 700 are not supplied ...

Page 27: ...1 AC adapter W08 1205 05 P2 50 Belt clip KBH 10 3 Cap B09 0725 03 60 Screw set N99 2046 05 43 Packing fixture H12 4251 05 K2 44 Item carton case H52 2300 13 K2 K2 TK 3312 K2 M2 TK 3312 M2 P2 TK 3312 P M7 TK 3317 M7 63 Whip antenna T90 1039 25 K2 M2 P2 T90 1041 25 M7 1 2 2 72 Battery assy KNB 45L Li ion P2 73 Battery assy KNB 29N Ni MH K2 M2 M7 1 48 Holder SP MIC J19 5549 03 Parts with the exploded...

Page 28: ...317 M2 3 2 1 F E 6 Instruction manual B62 2237 00 704 Protection bag 50 Belt clip KBH 10 3 Cap 60 Screw set 48 Holder SP MIC 706 Packing fixture 707 Item carton case Parts with the exploded numbers larger than 700 are not supplied ...

Page 29: ...more 13 8Ω Dummy Load Approx 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 4215 03 for re...

Page 30: ... 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 B 3106 0Hz 15 None DTMF Tone 1477Hz 16 Single Tone 979 9Hz Single Tone 979 7Hz 17 None MSK PN9 18 None DTMF Code 3 Preparations for Tuning the Transceiver Before attempting to tune the transceiver connect the unit to a suitable power supply Whenever the transmitter ...

Page 31: ...illoscope ANT Make the demodu lation wave into square waves 5 Maximum Deviation Wide 1 TEST CH Center Low Low High High 5 points Deviation meter filter LPF 15kHz HPF OFF PTT ON 4 4kHz According to the larger 80Hz Note FPU AUTO INPUT 1kHz 150mV Common Section Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Unit Parts Method 1 Setting 1 BATT terminal votage ...

Page 32: ...ON 0 75kHz 40Hz 8 DTMF Fine Deviation Wide 1 TEST CH 1 LPF 15kHz HPF OFF PTT ON 3 0kHz 100Hz 9 MSK Fine Deviation Wide 1 TEST CH 1 Deviation meter filter LPF 15kHz HPF OFF PTT ON 3 0kHz 100Hz Note Regarding deviation alignment item narrow value is calculated from wide alignment value Receiver Section Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Unit Par...

Page 33: ...m 0 25µV SSG MOD 1 5kHz 3 Tight Squelch Wide 1 TEST CH Center High 2 points SSG otuput 116dBm 0 35µV SSG MOD 3 0kHz 2 TEST CH Low 1 point SSG otuput 115dBm 0 40µV SSG MOD 3 0kHz Narrow 3 TEST CH Center High 2 points SSG otuput 115dBm 0 40µV SSG MOD 1 5kHz 2 TEST CH Low 1 point SSG otuput 114dBm 0 40µV SSG MOD 1 5kHz 4 Low RSSI Wide 1 TEST CH Center Low High 3 points SSG otuput 120dBm 0 22µV SSG MO...

Page 34: ... C8 D821 D820 D829 R702 R704 R706 R708 R710 R711 R712 TP1 TP3 TP4 TP5 TP6 TP7 TP9 R5 F801 TP10 TP11 TP12 R986 L801 C10 C12 TP113 TP114 TP115 C465 TP2 TP8 TP13 TP14 TP15 TP116 R104 R105 R709 CP823 CP843 CP844 TP16 CP818 CP819 CP820 Å S A B C r CN804 INT CN805 SB CN1 CVIN CN2 CV CN402 RSSI CN403 BPF CN401 BUSY CN819 TXD CN816 RXD CN820 LSDO TX RX UNIT X57 7890 20 Component side view J79 0288 09 TK 3...

Page 35: ...19 C951 R992 CP818 CP819 CP820 CP827 CP828 R713 R714 R954 R982 R806 R 8 5 4 R 8 5 8 Q303 C 8 5 0 R313 R314 R315 R316 R317 R319 R320 C308 CP847 C314 C315 R932 R933 R 9 3 7 R 8 3 1 R832 R 8 5 5 C834 R 8 7 2 C 8 5 9 C P 8 0 2 R916 R927 R 9 2 8 R 8 3 5 C918 R965 R980 R 9 8 1 R989 R991 R 8 3 0 C 8 3 2 C 8 3 3 R 8 7 1 R802 R803 R811 R813 R818 Q306 R923 R926 C923 C926 C930 Q818 Q819 D801 D804 D805 R821 R...

Page 36: ...57 C260 D201 C261 D202 D203 C263 D204 C264 C265 R885 R887 D407 C470 C475 C477 C478 C479 C865 C480 C481 C485 C487 C874 C877 C881 C884 IC812 R301 R303 R304 C301 C303 C309 Q204 L201 L202 L203 L206 L207 L220 L221 L416 L444 R205 R206 R207 C825 C828 R881 D807 D808 R905 R906 R910 R914 C906 C909 C911 L210 L211 Q811 L415 G S D Component side Foil side Layer 1 Layer 2 Layer 3 Layer 4 Layer 5 Layer 6 TK 3312...

Page 37: ...1 8 8 9 1 16 2 3 1 4 1 6 7 12 13 18 19 24 3 4 1 5 3 4 1 5 3 4 1 6 J79 0288 09 D402 C203 R447 R451 R842 C264 R884 R885 D405 C468 R891 R894 R895 R899 C873 C874 C877 C881 C884 C885 C886 C887 IC812 R963 L201 R205 C825 IC817 R904 R905 R910 R911 R912 C901 C909 C910 C949 Q811 R410 R414 R415 R417 R419 R422 R423 R424 R425 R426 R427 R428 R434 R435 R436 R438 C405 C410 C412 C417 C421 C423 R847 C424 C425 C426 ...

Page 38: ... 6 1 V S S 6 2 o S C 1 6 3 o S C 2 6 4 V D D C 9 4 5 0 1 u R 8 11 2 7 0 C 9 6 4 2 2 u C P 8 2 3 10kx2 CP821 10kx4 INT 2SK1830F Q805 R 1 0 4 1 0 k D824 C826 0 1 u C 8 1 6 1 u R 9 8 6 4 7 0 C819 1000p C 8 0 4 1 0 0 0 p D818 C P 8 4 0 10kx2 R 9 5 4 1 2 0 D801 B30 1790 05 C P 8 4 1 10kx2 R936 10k D805 B30 2315 05 R 9 5 5 1 2 0 R822 1k R 8 1 7 2 2 k L302 CN801 E40 6827 05 1 B 2 SB 3 AFI 4 AFO 5 GND 6 U...

Page 39: ...RXD 26 EM_CLK 27 APCSW 28 TX RX 29 5VC 30 5TC 31 EP_DTO 32 EP_CLK 33 CM_DTO 34 EMP 35 5RC 36 EP_WP 37 EP_DTI 38 EP_CS 39 CE 40 CM_CLK 4 1 CM_DTI 4 2 CM_CNS 4 3 DC_SW 4 4 KEY1O 4 5 KEY2O 4 6 KEY3O 4 7 KEY4O 4 8 KEY1I 4 9 KEY2I 5 0 KEY3I 5 1 KEY4I 5 2 PF1 5 3 PF2 5 4 LCDBL 5 5 LC_INH 5 6 LC_CLK 5 7 LC_DAT 5 8 LC_CE 5 9 LC_MOD 6 0 HSDDEC 61 QT DQT 62 CVIN 63 BATT 64 VOX 65 BUSY 66 TH_DET 67 RSSI 68 W...

Page 40: ...8 9 6 1 0 0 k R7 68k C887 1 2 0 p R14 27k C21 0 01u R8 330 C 1 4 0 047u C873 0 0 1 u R10 1 2k R897 27k R898 2 2k C 1 100p R9 6 3 1 8 0 k C 2 7 0 22u R29 470k R5 10k R962 10k C8 3 7 1 0 0 0 p R824 820k D R8 8 7 1 0 R8 8 3 0 C 1 7 100p C874 0 1u R 2 6 1 M C8 8 4 1 u C8 4 6 5 p C16 100p R877 1 M R882 0 R9 100 R900 100k R899 120k R99 0 L1 4 7u C8 6 5 4 7 0 p R8 9 5 3 9 0 k CP 8 1 2 1kx2 R884 560k R 8 ...

Page 41: ...809 KDR731 R912 0 D 1 4 H VC 375B E C949 1000p C77 10p B C4 3 1 0 0 p R 6 3 1k R45 10 R 4 1 2 2 0 D807 KDR731 L2 15n C33 8p C 4 0 7 0 1 u L 1 0 220n L22 270n R 4 9 5 6k D 1 6 KD V214E P C 9 0 0 1 u C 5 9 8p C50 0 1 u R17 0 C87 470p KTC4075E Y GR Q809 R406 1 8 k C410 22p R 5 0 22 R 4 1 5 1 8 k C896 0 1u R910 10k C86 5p B C47 68p R902 10k R 1 8 1 2k L402 100n C 7 8 1 u L4 IC817 TC75S51FE F 1 IN 2 VS...

Page 42: ... 9 0 0 1 u Q301 RT1N140U T111 L206 10n C 2 11 4 7 0 p R438 2 2k C209 33p R421 3 3k R315 10k C 3 0 9 4 7 0 p C 3 1 4 4 7 0 p 2SC5455 A Q203 R 4 2 7 1 0 0 k KTC4080E P Q405 C433 0 01u C447 2p B C 4 4 1 4 7 0 p C201 470p R 2 2 2 0 RD01MUS1 T113 Q204 R422 3 3k R 4 4 4 1 0 0 k C429 33p C 4 2 2 1 0 u L 2 0 7 CD401 L79 1866 05 L201 6 8n C265 4p R203 1k R303 560 BUSY R 3 1 6 5 6 k C452 470p R417 470k C 4 ...

Page 43: ...p C 4 6 0 4 7 0 p C 4 6 8 1 8 p C P 8 1 7 47kx2 TXD C 2 4 2 7 p B D201 HVC131 C 4 6 4 1 8 p R448 0 C 4 5 7 4 p L 4 9 1 8 2 n C487 10p B C 4 6 2 4 7 0 p L 4 1 6 2 7 0 n C 2 2 8 1 0 p D 8 0 3 G N 1 G D 4 0 5 H V C 3 5 0 B R 9 2 7 4 7 k R 4 5 6 1 5 0 k C 8 11 1 0 0 0 p C 2 6 3 1 0 p R929 1k R 4 6 7 0 L 4 1 3 8 2 n L415 D 4 0 3 H V C 3 5 0 B Q817 RT1N441U T111 R 4 5 5 1 0 0 k C 4 6 5 4 7 0 p T H 2 0 1...

Page 44: ...2MR IC805 INT D806 RKZ5 1B2KG RESET IC807 XC6120N302N1 33MSC 33MS D803 GN1G BATT 7 5V EN2 EN1 PTT PF1 PF2 SB D801 B30 1790 05 D805 B30 2315 05 D804 B30 2314 05 Q801 1 2 UPA672T A Q805 2SK1830F LEDBLU LEDRED LEDGRE XIN 33M 33M EP_ CLK EP_ DTO EP_ DTI 19 200MHz IC820 F363BEDFEKDLB IC808 NJM2904RB1 ZB IC810 EX25512ATA00A V 16 8MHz 33M EP_WP EP_CS Q801 2 2 SB FUSE 2 5A F801 F53 0324 15 FUSE 1 0A F802 ...

Page 45: ...R Q9 2SC5636 50C Q8 2SC5636 42C TX F F B PC BPF2 IC811 HA1630D03MM BPF1 33MS 33B CM_CNS CM_CLK CM_DTO LSDO TXTONE MICFB MIC_MT D807 D808 KDR731 Q809 KTC4075E Y GR Q810 2SC4116 GR F Q811 2SA1586 Y GR F IC817 TC75S51FE F D809 KDR731 D810 MC2850 MIC VOLIN DETAF IC815 TA7368FG Q818 2SK3577 A Q819 2SK3577 A Q817 RT1N441U T111 Q814 2SB1694 SB Q813 RT1N141U T111 AF MUT INT SP MIC 1st Local 50T APCSW 2nd ...

Page 46: ...X VCO C73 2 3dBm C77 1 9dBm C209 1 1dBm C222 12 0dBm C243 29 5dBm ANT 50Ω MIC 15 4mVrms 200mVrms 0 8dBm 37 5dBm C264 9 1dBm C217 Q8 Q9 RXLo D17 D18 Q201 Q203 Q204 Q205 AF 1kHz RF CENTER FREQUENCY R897 To make measurements in the AF section connect the AC level meter ANT input 53dBm 1kHz FM 1 5kHz Dev Narrow In the RF section use a high impedance probe ANT input 53dBm MOD off AG is set to the MIC i...

Page 47: ...Speaker Microphone KNB 53N Ni MH Battery Pack Specifications Voltage 7 4V 3 7V x 2 Battery capacity 2000mAh Specifications Operating temperature range 30 C 22 F 60 C 140 F Microphone impedance 2 2 kΩ max Speaker impedance 16 Ω 15 at 1 2 kHz Specifications Voltage 7 2V 1 2V x 6 Battery capacity 1400mAh Specifications Voltage 7 2V 1 2V x 6 Battery capacity 1500mAh ...

Page 48: ...ulle Cedex SPECIFICATIONS General Frequency Range 400 470MHz Channel Spacing 25kHz Wide 12 5kHz Narrow PLL Channel Stepping 5kHz 6 25kHz Operating Voltage 7 5 V DC 20 Battery Life More than 12 hours at 5 watts 5 5 90 duty cycle with KNB 45L battery Operating Temperature range 30 C to 60 C 22 F to 140 F Frequency Stability 2 5ppm 30 C to 60 C Channel Frequency Spread 70MHz Dimensions and Weight Dim...

Page 49: ...2 TP8 TP13 TP14 TP15 TP116 R880 R104 R105 IC821 R709 CP823 CP843 CP844 CP845 R936 C919 TP16 C951 R992 CP818 CP819 CP820 CP827 CP828 R713 R714 R954 R982 R806 R 8 5 4 R 8 5 8 Q303 C 8 5 0 R313 R314 R315 R316 R317 R319 R320 C308 CP847 C314 C315 R932 R933 R 9 3 7 R 8 3 1 R832 R 8 5 5 C834 R 8 7 2 C 8 5 9 C P 8 0 2 R916 R927 R 9 2 8 R 8 3 5 C918 R965 R980 R 9 8 1 R989 R991 R 8 3 0 C 8 3 2 C 8 3 3 R 8 7...

Page 50: ...7 C260 D201 C261 D202 D203 C263 D204 C264 C265 R884 R885 R887 D405 D407 C468 R891 R894 C470 R895 R899 C475 C477 C478 C479 C865 C480 C481 C485 C487 C873 C874 C877 C881 C884 C885 C886 C887 IC812 R301 R303 R304 C301 C303 C309 R963 Q204 L201 L202 L203 L206 L207 L220 L221 L416 L444 R205 R206 R207 C825 C828 R881 D807 D808 IC817 R904 R905 R906 R910 R911 R912 R914 C901 C906 C909 C910 C911 C949 L210 L211 Q...

Page 51: ...k CF401 L72 1045 05 Narrow R421 3 3k R 7 0 4 4 7 k R 7 0 5 1 k R99 0 R315 10k L1 4 7u KTC4080E P Q403 C415 39p C 9 1 9 1 0 0 0 p C 3 0 9 4 7 0 p R 7 1 2 1 k C840 3300p C 3 1 4 4 7 0 p C466 2p B C 2 6 1 6 p 2SC5455 A Q203 R 9 2 1 4 7 k C 9 1 2 1 0 0 0 p C 8 6 5 4 7 0 p C478 470p C 9 0 0 4 7 0 p C405 0 1u R 5 2 2 2 k R908 100k R 8 9 5 3 9 0 k C64 8p C P 8 1 2 1kx2 R 4 2 7 1 0 0 k R 8 8 4 5 6 0 k R 4...

Page 52: ...TT PF1 PF2 SB D801 B30 1790 05 D805 B30 2315 05 D804 B30 2314 05 Q801 1 2 UPA672T A Q805 2SK1830F LEDBLU LEDRED LEDGRE XIN 33M 33M EP_ CLK EP_ DTO EP_ DTI 19 200MHz IC820 F363BEDFEKDLB IC808 NJM2904RB1 ZB IC810 EX25512ATA00A PC BPF2 IC811 HA1630D03MM BPF1 33MS 33B CM_CNS CM_CLK CM_DTO LSDO TXTONE MICFB MIC_MT D807 D808 KDR731 Q809 KTC4075E Y GR Q810 2SC4116 GR F Q811 2SA1586 Y GR F IC817 TC75S51FE...

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Kenwood TK-3312, Service Manual

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