Kenwood TK-2310R Service Manual Download Page 33 | Manualshive

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TK-2310R

33

ADJUSTMENT

Item

Condition

Measurement

Adjustment

Specifications / Remarks

Test-

equipment

Unit

Terminal

Unit

Parts

Method

3. Tight

Squelch

[Narrow]

1) TEST CH: Low
SSG otuput: –114dBm

(0.45µV)

SSG MOD: 1.5kHz

SSG
DVM

Oscilloscop

ANT

FPU

Press [Start]
(Auto tuning)

4. Low RSSI
[Narrow]

1) TEST CH: Low
SSG otuput: –120dBm

(0.22µV)

SSG MOD: 1.5kHz

5. High RSSI
[Narrow]

1) TEST CH: Low
SSG otuput: –80dBm

(22.4µV)

SSG MOD: 1.5kHz

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Summary of Contents for TK-2310R

Page 1: ...COMPONENTS DESCRIPTION 18 PARTS LIST 19 EXPLODED VIEW 27 PACKING 28 ADJUSTMENT 29 PC BOARD TX RX UNIT X57 7880 31 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 SPECIFICATIONS BACK COVER Helical antenna T90 1099 15 Button knob SIDE1 SIDE2 K29 9426 03 Knob Selector K29 9427 03 ...

Page 2: ...COPE 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 ...

Page 3: ...ode 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 transfer programming data from one transceiver to another ...

Page 4: ...e computer It has a circuit 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 th...

Page 5: ...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 cloning Electronic interf...

Page 6: ...dure SELF is displayed 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 ente...

Page 7: ...backup A MHz 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 LOC...

Page 8: ... Selector A QT Selector A DQT N S Tone off B C B C S S 5 RF power Hi Low S Hi Low selection Hi Low S Stored A Not stored Display 5 PWR HI B C 6 Scan Del Add S Del Add selection Del Add S Stored A Not stored Display 6 SCN ADD B C 7 Beat shift on off or 8 Compander on off S on off selection on off S Stored A Not stored Display 7 SFT ON or 8 CMP ON B C Selector 6 Firmware Version Information Mode Tur...

Page 9: ...ve the solder of the antenna terminal with a solder ing iron g 3 Remove the solder of the positive terminal with a solder ing iron h 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 sol...

Page 10: ... 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 a b c d 6 Assembling the Battery Release Lever 1 Place the lever b onto the stopper a 2 Place the thick springc onto the lever 3 Hook the right and left ends of the thin spring d onto the tabs of the stopper then place the thin spring onto...

Page 11: ...e antenna receptacle to the chassis in the or der 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 nut of...

Page 12: ...PF1 BPF Q407 RF AMP XF401 MCF Q405 IF AMP IC815 AF PA BPF1 1st Local BPF CF402 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 ampli fied by the RF amplifier Q407 The resulting signal passes through a BPF L416 and L414 and goes to the mixer These BPFs are ad...

Page 13: ... AF signal from the IC401 enters the FM sys tem IC IC401 again and the noise component is amplified and rectified by a filter and an amplifier to produce a DC voltage corresponding to the noise level The DC signal from the FM IC goes to the analog port of the MCU IC820 IC820 determines whether or not to output sounds from the speaker by checking if the input voltage is higher or lower than the pre...

Page 14: ...he TCXO are done to 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 245 245 9875MHz and 294 95 295 9375MHz The VCO generates 294 95 295 9375MHz for providing the first local signal for reception The operating frequency is generated by Q5 in transmitting mode and Q4 in receiving mode The oscillation freque...

Page 15: ... 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 transceiver...

Page 16: ...to the VCO When encoding the MSK DTMF the microphone input signal is muted 6 2 Decode 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 ...

Page 17: ...E 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 i...

Page 18: ...RF amplifier RX VHF Q801 DC switching Blue LED Q802 DC switching 50T from 50M Q803 DC switching 50R from 50M COMPONENTS DESCRIPTION Ref No Use Function Operation Condition Q804 DC switching 33MS from 33M 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 switching AF power mute Q...

Page 19: ... 0 80 150 220 330 470 750 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 10 µF 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 ...

Page 20: ...SSY SPK 50 2C 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 SELCTOR 58 1A K29 9492 12 KEY TOP 16KEY A 2A N14 0848 05 CIRCULAR NUT SELCTOR 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 20...

Page 21: ...CH1H430J CHIP C 43PF J C239 CC73GCH1H090B CHIP C 9 0PF B C240 CK73GB1H102K CHIP C 1000PF K C243 CC73GCH1H121J CHIP C 120PF J C244 CK73HB1H471K CHIP C 470PF K C245 CC73HCH1H150J CHIP C 15PF J C246 CC73GCH1H090B CHIP C 9 0PF B C247 CK73GB1H102K CHIP C 1000PF K C248 CC73GCH1H3R5B CHIP C 3 5PF B C249 CC73GCH1H070B CHIP C 7 0PF B C250 CC73GCH1H120J CHIP C 12PF J C253 CC73GCH1H030B CHIP C 3 0PF B C255 C...

Page 22: ...332K CHIP C 3300PF K C858 CK73HB1E682K CHIP C 6800PF K C859 CK73HB1A105K CHIP C 1 0UF K C861 CK73HB1H102K CHIP C 1000PF K C863 CK73HB1E103K CHIP C 0 010UF K C865 CK73HB1H471K CHIP C 470PF K C866 CK73GB0J106K CHIP C 10UF K C869 CK73GB0J106K CHIP C 10UF K C872 CK73HB1H102K CHIP C 1000PF K C873 CK73HB1E103K CHIP C 0 010UF K C874 CK73HB1A104K CHIP C 0 10UF K C876 CK73GB0J106K CHIP C 10UF K C877 CK73HB...

Page 23: ...NH L443 L41 4778 14 SMALL FIXED INDUCTOR 47NH L801 L92 0472 05 CHIP FERRITE L802 803 L92 0161 05 BEADS CORE X1 L77 3050 05 TCXO 16 8MHZ X802 L78 1434 05 RESONATOR 19 2MHZ XF401 L71 0655 05 MCF 49 95MHZ CP1 RK74HB1J101J CHIP COM 100 J 1 16W CP802 RK75HA1J102J CHIP COM 1 0K J 1 16W CP812 RK75HA1J102J CHIP COM 1 0K J 1 16W CP814 RK75HA1J474J CHIP COM 470K J 1 16W CP817 RK75HA1J473J CHIP COM 47K J 1 1...

Page 24: ... CHIP R 0 J 1 16W R426 RK73HB1J100J CHIP R 10 J 1 16W R427 RK73HB1J223J CHIP R 22K J 1 16W R428 RK73HB1J000J CHIP R 0 J 1 16W R429 RK73HB1J101J CHIP R 100 J 1 16W R433 RK73HB1J105J CHIP R 1 0M J 1 16W R434 RK73HB1J221J CHIP R 220 J 1 16W R435 RK73HB1J000J CHIP R 0 J 1 16W R436 RK73HB1J101J CHIP R 100 J 1 16W R437 RK73HB1J472J CHIP R 4 7K J 1 16W R438 RK73HB1J102J CHIP R 1 0K J 1 16W R439 RK73HB1J3...

Page 25: ...K73HB1J273J CHIP R 27K J 1 16W R929 RK73HB1J102J CHIP R 1 0K J 1 16W R930 RK73HB1J101J CHIP R 100 J 1 16W R931 RK73HB1J000J CHIP R 0 J 1 16W R932 RK73HB1J103J CHIP R 10K J 1 16W R933 RK73HB1J102J CHIP R 1 0K J 1 16W R934 RK73HB1J472J CHIP R 4 7K J 1 16W R935 937 RK73HB1J103J CHIP R 10K J 1 16W R952 RK73HB1J331J CHIP R 330 J 1 16W R953 RK73HB1J472J CHIP R 4 7K J 1 16W R954 955 RK73HB1J121J CHIP R 1...

Page 26: ...TOR Q303 2SK1830F FET Q304 RT1N141U T111 TRANSISTOR Q305 2SK1824 A FET Q306 RT1P441U T111 TRANSISTOR Q403 KTC4080E P TRANSISTOR Q405 KTC4080E P TRANSISTOR Q406 3SK318 FET Q407 3SK294 FP FET Q801 UPA672T A FET Q802 803 SSM6L05FU F FET Q804 SSM3J05FU F FET Q805 2SK1830F FET Q806 2SC4919 S TRANSISTOR Q809 KTC4075E Y GR TRANSISTOR Q810 2SC4116 GR F TRANSISTOR Q811 2SA1586 Y GR F TRANSISTOR Q813 RT1N14...

Page 27: ... VR1 C A B C Dx2 E 701 X57 28 101 46 15 X57 107 X57 103 X57 102 X57 105 X57 109 A N14 0848 05 B N14 0849 05 C N30 2604 48 D N30 2606 48 E N83 2005 48 1 700 10 58 57 4 54 11 9 22 21 56 55 5 23 30 31 29 TX RX unit E E E E E Ex2 Ex2 Ex2 34 Parts with the exploded numbers larger than 700 are not supplied ...

Page 28: ...6 Instruction manual B62 2310 00 704 Protection bag 50 Belt clip KBH 10 3 Cap 60 Screw set 705 Packing fixture 706 Item carton case 63 Helical antenna 48 Holder SP MIC Parts with the exploded numbers larger than 700 are not supplied ...

Page 29: ...r 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 repairing the trans ceiver Place the TX RX unit on the...

Page 30: ...1 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 is...

Page 31: ... assist voltage Transmitter Section Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Unit Parts Method 1 Frequency 1 TEST CH Center PTT ON f counter ANT TX RX FPU 245 600MHz 50Hz 2 High Transmit Power 1 TEST CH Center BATT terminal voltage 7 5V PTT ON Power meter Ammeter FPU 5 0W 0 1W 2 0A or less 3 Low Transmit Power 1 TEST CH Center BATT terminal voltage ...

Page 32: ...kHz HPF OFF PTT ON 0 35kHz 40Hz 8 DTMF Deviation Narrow 1 TEST CH Center LPF 15kHz HPF OFF PTT ON 1 5kHz 100Hz 9 MSK Deviation Narrow 1 TEST CH Center Deviation meter filter LPF 15kHz HPF OFF PTT ON 1 5kHz 100Hz Receiver Section Item Condition Measurement Adjustment Specifications Remarks Test equipment Unit Terminal Unit Parts Method 1 Sensitivity Semiauto matic 1 TEST CH Low SSG otuput 90dBm 7 0...

Page 33: ...it Terminal Unit Parts Method 3 Tight Squelch Narrow 1 TEST CH Low SSG otuput 114dBm 0 45μV SSG MOD 1 5kHz SSG DVM Oscilloscop ANT FPU Press Start Auto tuning 4 Low RSSI Narrow 1 TEST CH Low SSG otuput 120dBm 0 22μV SSG MOD 1 5kHz 5 High RSSI Narrow 1 TEST CH Low SSG otuput 80dBm 22 4μV SSG MOD 1 5kHz ...

Page 34: ...BUSY CN402 RSSI CN403 BPF CN804 INT CN805 SB CN816 RXD CN819 TXD CN820 LSDO C5 C8 C465 D821 D820 D829 R104 CP818 CP819 R702 R704 R706 CP820 R708 R709 CP823 CP827 CP828 R710 R711 S A B C R712 CP843 R5 F801 1 8 R986 CN1 CVIN L801 CN2 CV C10 C12 R880 R105 IC821 R713 R714 CP844 R936 1 2 3 4 6 5 7 8 9 0 C968 TX RX UNIT X57 7880 31 Component side view J79 0287 19 TK 2310R PC BOARD Ref No Address IC301 3...

Page 35: ...5 Q815 Q816 Q822 5M OPTDET MICIN MIC SPO SPI AE TXD NC PTT RXD R806 CN818 MODE CN822 RST CN823 VCC C803 C804 C806 R 8 5 4 R 8 5 8 Q303 Q306 C 8 5 0 R104 R313 R314 R315 4 5 1 8 R316 R317 CP818 R319 CP819 R320 CP820 CP827 CP828 C308 CP847 C314 C315 1 8 GND DOWN UP GND AFO AFI SB B R932 R933 R 9 3 7 R954 R982 4 5 1 8 C948 R802 R803 R811 R813 R818 R821 R829 R 8 3 0 R 8 3 1 CN815 TXD R832 C N 8 1 7 M N...

Page 36: ...13 L216 L220 R211 R212 R214 R225 C203 C204 C210 C211 R447 R448 R449 R451 R452 R453 R455 R457 R849 R461 X802 C825 C828 C264 C265 R881 R884 R885 R887 D405 D407 C468 C852 R890 R891 R894 C470 R895 R899 C475 C477 C478 C479 C865 D807 D808 C480 C481 C485 C873 C874 C877 C881 C883 C884 C885 C886 C887 IC812 IC817 3 4 1 5 R904 R905 R906 R909 R910 R911 R912 R914 C901 C906 C909 C910 C911 R963 C949 L202 L203 Q8...

Page 37: ...6 L407 L408 Q809 L410 Q810 L803 Q820 R98 R99 CP1 C11 C15 C16 C17 R203 C18 C19 R209 J79 0287 19 R225 C203 C204 R435 R447 R448 R449 R451 R847 C438 C825 C828 R865 R867 R868 4 5 1 8 R869 R876 R877 C840 C264 R884 R885 R887 D405 C468 C852 R890 R891 R892 C857 R894 R895 R899 C863 D807 C873 C874 C877 C881 C883 C884 C885 C886 C887 C892 IC812 C896 IC817 3 4 1 5 R904 R905 R906 R908 R909 R910 R911 R912 R914 C9...

Page 38: ... 2 6 4 V D D C 9 4 5 0 1 u R 8 1 1 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 C 8 2 6 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 UP 7 DOWN 8 GND C 8 0 6 1 0 0...

Page 39: ... 24 TXD 25 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 6...

Page 40: ... C 2 1 0 0 1 u R8 330 C 1 4 0 0 4 7 u C 8 7 3 0 0 1 u R 1 0 1 2 k R897 27k R898 2 2k C 1 1 0 0 p R 9 6 3 1 8 0 k C 2 7 0 2 2 u R29 470k R5 10k R962 10k C 8 3 7 1 0 0 0 p R824 820k D R 8 8 7 1 0 R 8 8 3 0 C 1 7 1 0 0 p C874 0 1u R 2 6 1 M C 8 8 4 1 u C 8 4 6 5 p C 1 6 1 0 0 p R 8 7 7 1 M R882 0 R9 100 R900 100k R899 120k R99 L1 4 7u C 8 6 5 4 7 0 p R 8 9 5 3 9 0 k C P 8 1 2 1kx2 R 8 8 4 5 6 0 k R 8...

Page 41: ...D809 KDR731 R912 0 D 1 4 H V C 3 7 5 B E C949 1000p C77 18p C 4 3 1 0 0 p R 6 3 1 k R45 22 R 4 1 2 7 0 D807 KDR731 L2 15n C 3 3 1 2 p L 1 0 3 3u R 4 9 2 7 k D 1 6 C 9 0 0 1 u C 5 9 1 6 p C 5 0 0 1 u R17 0 C 8 7 1 0 0 0 p KTC4075E Y GR Q809 C410 22p R 5 0 47 R412 0 C896 0 1u R910 10k C 8 6 1 8 p C47 39p R902 10k R 1 8 470 L402 100n C 7 8 1 u L4 IC817 TC75S51FE F 1 IN 2 VSS 3 IN oUT VDD C 6 0 6 p L ...

Page 42: ...2 1 1 1 0 0 0 p R438 1k C209 15p 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 2 2 k KTC4080E P Q405 C433 0 01u C447 2 5p B C 4 4 1 1 0 0 0 p C201 1000p R 2 2 2 0 RD01MUS1 T113 Q204 R422 3 3k R 4 4 4 1 0 0 k C429 1p C 4 2 2 1 0 u L 2 0 7 CD401 L79 1866 05 C265 33p R203 10 R303 560 BUSY R 3 1 6 5 6 k C452 1000p R417 470k C 4 2 0 1 8 0 0 p RSSI C 3 0 5 1 0 0 p L 4 1 1 1 2...

Page 43: ...0 0 0 p C466 3 5p B R 9 2 1 4 7 k C478 1000p C 4 6 8 2 7 p C P 8 1 7 47kx2 TXD D201 HVC131 C 4 6 4 3 9 p R448 0 C487 9p B C 4 6 2 1 0 0 0 p L 4 1 6 3 9 n D 8 0 3 G N 1 G D 4 0 5 R 9 2 7 4 7 k R 4 5 6 1 5 0 k C 8 1 1 1 0 0 0 p C 2 3 6 4 3 p R929 1k L415 Q817 RT1N441U T111 R 4 5 5 1 0 0 k C 4 6 5 1 0 0 0 p T H 2 0 1 100k 2SB1694 Q814 R 9 1 8 4 7 k C 4 8 1 4 7 p L 2 1 1 C 9 3 2 4 7 0 p C 9 1 7 1 0 0 ...

Page 44: ... 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 F363BEDFEKDLC IC808 NJM2904RB1 ZB IC810 EX25512ATA00A VOLIN 16 8MHz M 33M EP_WP EP_CS Q801 2 2 SB FUSE 2 5A F801 F53 0324 15 FUSE 1 0A F802 F53 0319 15 FB CP SWIN CPZ PT...

Page 45: ... Q9 2SC5636 50C Q8 2SC5636 42C 50C Q2 5636 42C T R SW TX Q6 SSM6L05FU F Q7 SSM3J05FU F H 75B E 50B H 2 E B E B 0 TA00A 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...

Page 46: ... 0dBm C77 0dBm C209 0 9dBm C222 27 0dBm C243 37 0dBm ANT 50Ω MIC 8 5mVrms 68mVrms 1 0dBm 37 0dBm C201 12 8dBm C217 Q8 Q9 RXLo D17 D18 Q201 Q203 Q204 Q205 AF 1kHz RF CENTER FREQUENCY R897 15 4mVrms R902 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 ...

Page 47: ...iew External View External View KNB 45L Li ion Battery Pack KNB 53N Ni MH Battery Pack Specifications Voltage 7 4V 3 7V x 2 Battery capacity 2000mAh Specifications Voltage 7 2V 1 2V x 6 Battery capacity 1400mAh Specifications Voltage 7 2V 1 2V x 6 Battery capacity 1500mAh ...

Page 48: ... Output Power 5W 1W Spurious Response 70dB Modulation 11K0F3E FM Hum and Noise 40dB Modulation Distortion Less than 5 KENWOOD House Dwight Road Watford Herts WD18 9EB United Kingdom 2967 3 Ishikawa machi Hachioji shi Tokyo 192 8525 Japan P O BOX 22745 2201 East Dominguez Street Long Beach CA 90801 5745 U S A 6070 Kestrel Road Mississauga Ontario Canada L5T 1S8 Rembrücker Str 15 63150 Heusenstamm G...

Page 49: ...Q306 C465 C 8 5 0 D821 D820 D829 R104 R313 R314 R315 4 5 1 8 R316 R317 CP818 R319 CP819 R702 R704 R706 R320 CP820 R708 R709 CP823 CP827 CP828 R710 R711 S A B C R712 CP843 C308 CP847 C314 C315 1 8 GND DOWN UP GND AFO AFI SB B R932 R933 R 9 3 7 R954 R5 F801 R982 4 5 1 8 C948 R986 CN1 CVIN L801 CN2 CV C10 C12 R802 R803 R811 R813 R818 R821 R829 R 8 3 0 R 8 3 1 CN815 TXD R832 C N 8 1 7 M N D N CN821 SC...

Page 50: ... S D L206 L207 L210 L211 L213 L216 L220 R211 R212 R214 R225 C203 C204 R435 C210 C211 R447 R448 R449 R451 R452 R453 R455 R457 R847 R849 R461 X802 C438 C825 C828 R865 R867 R868 4 5 1 8 R869 R876 R877 C840 C264 C265 R881 R884 R885 R887 D405 D407 C468 C852 R890 R891 R892 C857 R894 C470 R895 R899 C475 C477 C478 C479 C863 C865 D807 D808 C480 C481 C485 C873 C874 C877 C881 C883 C884 C885 C886 C887 C892 IC...

Page 51: ... 9 4 7 0 p R 7 1 2 1 k C840 3300p C 3 1 4 4 7 0 p C466 3 5p B 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 1000p C 9 0 0 4 7 0 p R 5 2 6 8 k R908 100k R 8 9 5 3 9 0 k C P 8 1 2 1kx2 R 4 2 7 2 2 k R 8 8 4 5 6 0 k KTC4080E P Q405 CP820 10kx4 L 1 7 1 2 n C433 0 01u R844 0 C 5 2 3 p R 8 0 5 1 0 0 k C 4 6 8 2 7 p C447 2 5p B C 4 4 1 1 0 0 0 p C201 1000p R 2 2 2 0 D809 KDR731 RD01...

Page 52: ...1 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 F363BEDFEKDLC 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 F D8...

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