IC-F50V/F51V SERVICE MANUAL
Contents
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3. sn 0 1 Seb fe C504 _1 6432 1 483 m 3j 8532 R516 on 1410 R534 Q D SCH The combination of this side and the bottom side shows the board layout in the same configuration as the actual P C Board OEH 0 1 UNIT TOP VIEW o gt R601 gt 5 OH GH e CONNECT UNIT TOP VIEW V40 V35 v30 V25 V20 V15 V10 v5 VO OH GH OTH MAIN UNIT TOP VIEW BOGUS
4. d 4 Unscrew 2 screws and remove the shield cover 5 Disconnect the motor connector from the MAIN UNIT S Shield cover E T Unscrew x2 Except A D G J Disconnect motor connector CHASSIS SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS RF CIRCUITS RF circuits consist of RF filters antenna switch ANT SW RF amplifier RF AMP etc and extracts and amplifies the signals of frequency which desired to receive The received signals RX signals from the antenna are passed through the LPF ANT SW as an LPF in RX limitter BEF Band Eliminate Filter and the two staged tuned BPF The filtered RX signals are amplified by the RF AMP and passed through another two staged tuned BPF The filtered RX signals are then applied to the 1st IF circuits The ANT SW toggles RX line and TX line While receiving the TX line and the antenna is disconnected to prevent RX signals entering The RX line is disconnected from the GND simultaneously and an LPF which guides received signals to the RX circuits is composed RF CIRCUITS C186 Two staged TUNED BPF 1ST IF CIRCUITS The 1st IF circuits consist of 1st mixer 1st IF filter and 1st IF amplifier IF AMP And it converts the RX signals into the 1st IF signal then filters to remove unwanted signals and amplifies The
5. MAIN UNIT Right side 4 NJM12904V ACZ1005Y D24 917 KTC4075 10_MSVA C148 c127 126 C110 ACZ1005Y 1 47 68 aes aes HVC376 B 9 Lah HVC376B MA2S111 15 02 1 CLOCK FIN DATA LD LE GND FC VP P OSCOUT B OSCIN 3 3 MSVA 82N 220P 125 i C124 HVC376B HVC376B E ao re 0 014 25 4226 HVC375B 120 c119 SH 0 001 SH 470P R83 01 3 4 7 2 R82 28 4226 R88 28C5107 28C5107 TX 0 00V Q16 KRC404E 560 TX 2 40V 1 RX 0 00V 1C17 TC4S66F 1 16 NJM12904V dk NJM12904V C100 10 25 5107 TX 4 75V MMZ1608Y102BT TX 1 13V RX ov 25077 014 15 Q8 RDO1MUS1 22 99 28C5110 25077 Q7 RD07MVS2 MA2S111 75501 D25 TX 2 53V TX 0 00V RX 3 10V C166 Q19 Cl6l 6 10 KTC4075 3 MULTI
6. T5 ICS REG IC406 NJM12904 IC10 TC7W66FK AK2346 q OD 023 KTA1664Y 024 8110 022 MUTE Q25 KRA304E KTA2015 10407 NJM12904 4 PTT REG VOX CTCSS DTCS DET 06 1C7 2 XP4601 CR 765 EW 460 CD4094 1 411 75551 0 3 6864MHz D Ler BATT EXPAN 5 SELECT DER REG CONNECTOR 5402 403 9 Er NJM2870 310 DS404 405 SML A12MT M PIT LED vcc CTRL RESET R 0407 KRA304E NJM12902 MA25077 CD4094 0409 4111 19 6608MHz CL 165HR CR 764 SHIFT EXPAN LPF X401 SW DER 1 403 12408 NJM12902 BD5242G LPF KL RESET FRONT UNIT Explanatory notes 12409 CONTROL LIN HN58X242 COMMON LINE EEPROM TX LINE RX LINE DATA LINE SECTION 10 VOLTAGE DIAGRAM eee 8 FRONT UNIT R515 2703 zi OPTV Bg GND MMZ1005S601CT x3 SEG24 SEG25 SEG28 SEG30
7. 1 1 X 2 X 100 Ww wW X X X X X X X X X X X 4 X n 7 100 k 820 220 k 10k 150 k 1k 1520000840 U UUUUUU dU 8 8 k 50k 00 k 8 k 1790001670 1750000581 1750000721 1750000581 1790001260 1790001240 1750000721 1750000711 1750000711 1790001250 1790001260 1790001260 RB706F 40T106 154307 TPH3 F HVC375BTRF E 18V307 TPH3 F MA2S077 TX 25728 HVC375BTRF E HVC350BTRF E HVC350BTRF E MA2S111 TX 25077 25077 1750000771 HVC376BTRF E 1750000771 HVC376BTRF E 1720000471 S 15239 TPH3 F 1750000771 5 HVC376BTRF E 1750000771 S HVC376BTRF E 1750000721 S HVC375BTRF E 1750000721 S HVC375BTRF E 1790001250 5 MA2S111 TX 1790001250 5 MA2S111 TX 1790001250 5 MA2S111 TX 1790000980 5 MA742 TX 59 8 8 3 7030005090 S ERJ2GEJ 104 50 2 5 6 7030004980 S ERJ2GEJ 101 57 3 5 7030005030 S ERJ2GEJ 152 59 9 7 9 7030005090 S ERJ2GEJ 104 56 6 7 9 7030004970 S ERJ2GEJ 470 54 6 5 6 7030005030 S ERJ2GEJ 152 43 2 5 6 7030005240 S ERJ2GEJ 473 38 8 5 6 7030005000 S ERJ2GEJ 471 47 6 40 1 7030006610 5 ERJ2GEJ 394 51 8 23 7 7030005100 5 ERJ2GEJ 154 51 8 18 7030007290 5 ERJ2GEJ 222 40 6 20 5 7030005010 5 ERJ2GEJ 681 42 8 21 8 7030005050 S ERJ2GEJ 103 37 9 21 5 7030003670 5 823 V 40 8 27 4 7030007270
8. 35 EXSF Strobe to the expander IC410 36 XSM Strobe to the expander M IC12 Output enable signal to the expander ICs F IC410 and M C12 BEEP Beep sounds Data MSK TX data to the baseband IC M IC10 TCK Clock for MSK TX data to baseband IC M IC10 OISE Noise level from FM IF IC M IC1 DEC Tone signals DTMF 2 5tone DEC CTCSS DTCS signals VOX detect High start to transmit Key input for UP PO and keys Pulled up Key input for DOWN P1 and P2 keys Pulled up BATV Battery volatge for monitoring LVIN Lock voltage for monitoring RSSI id voltage from FM IF IC M Voltage divided by thermal register M R190 and R191 temperature monitor Line e Km PTT key F 5401 m PIE Pulled up Serial data I O control signal to the 71 baseband IC M IC10 72 SENC6 2 5 tone DTMF signals MSK data RX flag flame detect MADE signal to the baseband IC M IC6 79 CENC2 CTCSS DTCS signals DAST Strobe signal to the DAC M IC6 88 COM4 LCD common terminals 92 SEG32 24 LCD segment ports r m TDT 2 m o BI E lt 2 50 Optional unit detect optional unit is connected PLL unlock signal from IC4 Low PLL is unlocked Reset signal
9. MP414 F MP3 A MP415 F ave Except A D G 9 SECTION 8 e FRONT UNIT V65 V70 V60 V5 V10 V15 V20 25 V35 V40 V45 v50 vo TOP VIEW BOARD LAYOUTS 2139 OH GH OTH GIH OCH
10. 0 B TX RX Scrambler HPF De scrambler RXIN 23 VR3 RX De 18 HPF LPF pese at RXA1 SDEC 121 194 RXA2 5 20 SIGNAL SQUELCH CIRCUITS NOISE SQUELCH The noise squelch cuts off the AF output signals when no RF signals are received Extracting noise components approx 30 kHz signals in the demodulated AF signals the squelch circuit turns the AF power amplifier and AF switches ON and OFF A portion of FM demodulated AF signal from the IF IC is adjusted its level squelch threshold level by DAC D A converter IC6 pins 1 2 then passed through the noise filter M IC1 pins 7 8 and R42 44 46 C68 70 to extract the noise components approx 30 kHz signals only The noise components are rectified to be converted into the pulse type signal by noise detector to produce DC voltage corresponding to the noise level NOIS Then the DC voltage is applied to the CPU 401 41 and compared with the reference level preset in the CPU If the CPU interpretes that the noise level is higher than preset one the CPU sets the AFON signal to High to turn the AF power AMP controller OFF and the AF mute SW is turned OFF simultaneously Thus closing the squelch is accomplished NOISE SQUELCH DIAGRAM To RX AF circuits D From IF IC Pin16 Rectify Noise 4 SANOIS Active filter Noise detector
11. E xU 9r 1572 SUE d ai e s E 24 a 6722 1922 122 0101 E ba aii 9522 o m E e A e Q 1822 261 6 SETH Ea mj 0272 6522 e925 5572 5 v 8802 208600555154 80 5692 55 inus SOSRSSSE SASS SH AATE AEA BL SSSR Blas zu 54 72 GEA OCA SCA OCA STA OTA GA OA OTH STH 02H GZH OCH SPH OSH SSH 09H S9H OLH GLH 08H OH The combination of this side and the bottom side shows the board layout in the same configuration as the actual MAIN UNIT P C Board BOTTOM VIEW e FRONT UNIT N BOTTOM VIEW UNIT BOTTOM VIEW H80 75 OTA H70 LIT GA H65 3j H60 e CONNECT UNIT BOTTOM VIEW ST 91 55 50 H45 0 40 ETT H35 H30 H25 e H20 e H15 H10 e e H5 e 51 HO OA SA OTA STA OZA OCA SEN OTA SECTION 9 BLOCK DIAGRAM 136 174MHz 017 015 1214 4075 016 404 MAIN UNIT 014 25 4226 08 Q7 D2 18V307 RIPPLE 4 019 20 376 RDO1MUS1 RD07MVS2 D5 18V307 FIL D22 SW HVC375B RX VCO K o 15 3MHz B 1 16 2 ADJ CY 012 010 D14 D15 NJM1
12. 223 j R183 0 1 R189 220K 6 5 NJM12904V 1 R188 c219 220K 10K 0 001 R119 228 1 1 6 1 Ics NJM12904V VINI 0 1 VOUT2 VIN2 VDD LD CLK DI VIN3 VOUT3 VOUT4 VIN4 M62363FP 1 12 STR ve D OE CLK 05 01 06 02 07 03 08 04 0 5 GND Qs CD4094BPWR 1 5 NJM12904V kisa ki Vibration ON Vibration Motor vibrasion MF1 Vibration ON 4 98V COM INH VEE vec GND A TCTW53FK 22 MSVA ACZ1005Y IC10 C264 C263 001 AGNDIN AGND TXIN TXINO LIMLV EXTLMIN MOD vss TCLK TDATA DI O RDF FC TEST RXIN RXINO ACZ1005Y RXLPFO RXAF RXAFIN EXPOUT VDD XIN DIR SCLK 2346 R127 c309 10 2 VSSA VSSA NC AUDOUT NC AMCAP NC ANAIN ANAIN VCCA NC NC Refer to PARTS LIST
13. 4 2 TRANSMITTER CIRCUITS TX AF CIRCUITS The TX AF circuits consist of microphone amplifier MIC AMP and AF filters The AF filter cuts off the signals except voice signals 300 Hz or lower and 3 kHz or higher The audio signals from the internal microphone MIC signals are passed through MIC mute SW and amplified by two MIC AMPs 1 and 2 TX AF CIRCUITS TONE SQUELCH The tone squelch connects the RX AF line and activates the AF power amplifier to emit the AF signals only when receiving a signal which contains the tone frequency matched with preset in the CPU Detecting signal in the demodulated AF signals the tone squelch circuit turns the AF power amplifier and AF switches ON and OFF lt CTCSS DTCS gt A portion of FM demodulated AF signals from the FM IF IC are passed through the tone filter M Q6 pins 5 6 to remove unwanted voice siganls The filtered tone signals are applied to the CPU IC401 pin 44 2 5 TONE DTMF gt A portion of FM demodulated AF signals are output from the baseband IC M IC10 pin 21 and passed through the tone filter M R136 C220 to remove unwanted voice siganls The filtered tone signals are applied to the CPU IC401 43 The CPU compars the tone frequency code preset in the CPU and if the applied tone frequency code is matched to preset one the CPU controls the AF power AMP and AF
14. pins 10 8 The filtered 2 5 tone and DTMF signals are applied to the AF mixer IC5 pin 2 to be mixed with MIC signals The mixed signals are then applied to the TX VCO as the modulation signals The CTCSS DTCS signals are also applied to the reference signal oscillator M X2 pin 1 too via the buffer M IC16 pins 2 1 The modulated VCO output is buffer amplified by two buffers Q12 Q10 and applied to the pre driver via TX RX SW RX VCO TAG C126 iL 1 C127 126 1 BUFFER 1 ih C193 Kc192 from VCO TRANSMIT AMPLIFIERS The transmit amplifiers consist several RF amplifiers pre driver driver power and amplify the TX VCO output to the transmit output level The TX VCO output is applied to the pre drive amplifier via the TX RX switch The amplified TX signal is amplified by drive amplifier then power amplified by the power amplifier to obtain 5 W max of TX output power The power amplified TX signal is passed through the LPFs as a harmonic filter ANT SW TX and another LPF then applied to the antenna TRANSMIT AMPLIFIERS AND APC CIRCUIT APC CIRCUIT The APC Automatic Power Control circuit stabilizes transmit output power to prevent transmit output power level change which is caused by load mismatching or heat effect etc The APC circuit also selects transmit out
15. 1 2 33 1 1 1 5 1 5 M Mounted side T Mounted on the Top side B Mounted on the Bottom side 6 3 S Surface mount MAIN UNIT MAIN UNIT ORDER HIV ORDER HV NO DESCRIPTION LOCATION NO Bese enon LOCATION 7030007290 ERJ2GEJ 222 47 39 7030005580 ERJ2GEJ 560 X 56 7030005050 ERJ2GEJ 103 47 1 15 2 I F only 25 38 4 7030005120 ERJ2GEJ 102 45 5 15 2 7030005090 ERJ2GEJ 104 X 100 k Europe 51 1 10 5 7030005240 ERJ2GEJ 473 28 7 22 7 7030005170 ERJ2GEJ 474 29 1 24 8 7030005110 ERJ2GEJ 224 29 1 14 6 4030007000 C1608 CH 1H 090D T 7030005230 ERJ2GEJ 334 30 7 23 9 4030006990 C1608 CH 1H 080D T 7030005050 ERJ2GEJ 103 X 10 25 9 30 4030007050 C1608 CH 1H 220J T 7030005580 ERJ2GEJ 560 X 56 34 3 31 6 4030011530 C1608 CH 1H 110J T 7030005060 ERJ2GEJ 333 X 33 32 4 14 5 4030007050 C1608 CH 1H 220J T 7030005090 ERJ2GEJ 104 30 4 33 5 4030017460 ECJOEB1E102K 7030005040 ERJ2GEJ 472 37 2 26 8 4030017460 ECJOEB1E102K 7030007570 ERJ2GEJ 122 X 27 7 19 8 4030007040 C1608 CH 1H 180J T 7030007060 ERJ2GE 26 5 19 3 4030007030 C1608 CH 1H 150J T 7030005040 ERJ 31 7 19 3 4030017460 ECJOEB1E102K 7030005040 ERJ 30 7 19 3 4030007040 C1608 CH 1H 180 7030005050 ERJ2GE 24 3 15 6 4030009510 C1608 1H 010B T 7030005000 ERJ 30 8 13 2 4030012060 GRM1882C1H620JD01D 7030008010 ERJ 26 22 3 4030011530 C1608 CH 1H 110J T 7030006610 ERJ 26 23 2 4030017460 ECJOEB1E102K 7030005080 ERJ2GE 17 8 20 2 4030017400 EC
16. 52 6 26 7 54 2 24 8 54 6 26 7 53 6 31 3 54 6 31 3 52 4 24 9 54 6 23 8 49 8 21 2 54 9 9 8 48 6 26 1 46 1 31 4 48 27 2 X X X X X X X X X X X X 7030007290 ERJ2GEJ 22 4030017460 ECJOEB1E102K 31 41 4030016790 ECJOEB1C103K 4030017460 ECJOEB1E102K 8 9 41 3 4030017460 ECJOEB1E102K 4030017400 ECJOEC1H220J 18 7 20 2 4030017640 ECJOEC1H150J 4030017420 ECJOEC1H470J 18 7 17 4 4030017460 ECJOEB1E102K 4030017460 ECJOEB1E102K 20 5 17 1 4030017420 ECJOEC1H470J 4550006250 TEESVA 1A 106M8R 22 40 6 4030017460 ECJOEB1E102K 4030017620 ECJOEC1H100C 18 7 41 3 4030017460 ECJOEB1E102K 4030017590 ECJOEC1H070C 17 1 41 3 4030017360 1 4030017460 ECJOEB1E102K B E I F L on 7030006610 ERJ2GEJ 394 X 390 k I F L on 7030005050 ERJ2GEJ 103 X 10 k C I F L on 7030005050 ERJ2GEJ 103 X 10 k C I F L on 7030005220 ERJ2GEJ 223 X 22 I F L on 7030010090 ERJ2GEJ 180 X 18 C I F L on 7030005240 ERJ2GEJ 473 X 47 k A G D J only 7030005240 ERJ2GEJ 473 X 47 k A G D J B H E K only U ddU JU U U U U UJ UJ UJ UJ UJ H UJ UJ H 0 0000 4400 1 UJ UJ UJ UJ H UJ UJ AAAS ADA ASSAF H1 LUUD UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ 440444 4 H1 H1 LH
17. R O C Phone 886 02 2559 1899 Fax 886 02 2559 1874 URL http www asia icom com E mail sales asia icom com Icom Polska Sopot 3 Maja 54 Poland Phone 48 58 550 7135 Fax 48 58 551 0484 E mail icompolska icompolska com pl Count on us Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14406XZ C1 2007 Icom Inc
18. buffer Q11 VCOs AND BUFFERS C127 L26 C126 1 90 1 BUFFER PLL Phase Locked Loop CIRCUIT The PLL circuit provides stable oscillation for both of the transmit and 1st LO frequencies for receive By comparing the feed backed VCO output and the reference frequency signal the oscillating frequency is stabilized The PLL output frequency is controlled by the serial data including divide ratio from the CPU A portion of VCO output from the buffer Q11 is applied to the PLL IC via LPF The applied VCO output is divided according to the serial data including divide ratio from the CPU at the prescaler and programmable divider In the same way the reference frequency signal from the reference frequency signal oscillator is applied to the PLL IC and divide so that these are the same frequency PLL CIRCUITS 1 Ref Freq 7 OSCILLATOR 21005 6 frequency matched signals are applied to the phase comparator and phase compared The resulted phase difference is detected as a phase type signal and level adjusted at the charge pump then output The output pulse type signal is passed through the loop filter to be converted into the DC voltage Lock Voltage Applying the lock voltage to the variable capacitors VD which composes a part of
19. clone adjustment frequencies and other conditions into the transceiver using CS F50V CLONING SOFTWARE as below CAUTION BACK UP the originally programmed memory data in the transceiver before programming the adjustment frequen cies When program the adjustment frequencies into the transceiver the transceiver s memory data will be overwrit ten and lose original memory data at the same time ADJUSTMENT CHANNELS Ea TT EE ex x Rx rx 1 1 174000000 lt W T EDEN 174000000 Ww REF T 155 000000 lt W Tx HI 155 000000 lt T 155000000 W 2 TX Lt 155 000000 lt Mad Li 155000000 W Mad T 1 158 000000 lt W Mad H T 1 9 174000000 lt N 00N lt HAL N 1 10 174000000 lt W 007N lt HAL M 1 11 174 000000 lt W 007N lt HAL T 158000000 lt T 136 000000 20 T 136 000000 22 MTR 155 000000 Sat t Saas 1 NOTE FOR EUR EUR 01 AND EUR 02 when adjust Devation and Modulation Balance in the middle band change the bandwidth to Middle as below Set Mode mmon haracter Editor 30 000 Max Alert Ringer HELD OFF II Auto Wid
20. 1 103 Garden Road Clayton VIC 3168 Australia Phone 61 03 9549 7500 61 03 9549 7505 URL http www icom net au E mail sales icom net au Icom New Zealand 146A Harris Road East Tamaki Auckland New Zealand Phone 64 09 274 4062 URL http www icom co nz E mail inquiries icom co nz Fax 64 09 274 4708 Beijing Icom Ltd 10C07 Long silver Mansion No 88 Yong Ding Road Haidian District Beijing 100039 China Phone 86 010 5889 5391 5392 5393 Fax 86 010 5889 5395 E mail bjicom bjicom com URL http www bjicom com Icom Europe GmbH Communication Equipment Himmelgeister Str 100 D 40225 D sseldorf Germany Phone 449 0211 346047 Fax 449 0211 333639 URL http www icomeurope com E mail info Gicomeurope com Icom Spain S L Ctra Rubi 88 08190 Sant Cugat del Valles Barcelona SPAIN Phone 34 93 590 26 70 34 93 589 04 46 URL http www icomspain com E mail icom icomspain com Icom UK Ltd Unit 9 Sea St Herne Bay Kent CT6 8LD U K Phone 44 01227 741741 Fax 44 01227 741742 URL http www icomuk co uk E mail info icomuk co uk Icom France s a s Zac de la Plaine 1 Rue Brindejonc des Moulinais BP 5804 31505 Toulouse Cedex France Phone 33 5 61 36 03 03 Fax 33 5 61 36 03 00 URL http www icom france com E mail icom icom france com Asia Icom Inc 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan
21. 122 20 Lock Voltage LVIN 62 122V 63 124V 142 278V 0 0 000 0 0 000 0 0 000 SQL Lev 20 059V This screen is an example only Each transceiver has its own specific values for each setting 5 4 5 2 FREQUENCY ADJUSTMENT continued Select an adjustment item using 1 keys then set to the specified value using gt keys on the connected PC s keyboard ADJUSTMENT ADJUST ITEM REFERENCE Channel 1 2 Loosely couple a Frequency Counter to 174 000 MHz ADJUSTMENT CONDITION OPERATION VALUE FREQUENCY Connect an RF Power Meter to the the antenna connector REF antenna connector e Transmitting FREQUENCY COUNTER 0 1 300 MHz RF POWER METER 10 W 50 Q 5 3 TRANSMIT ADJUSTMENT Select an adjustment item using 1 keys then set to the specified value using gt keys on the connected PC s keyboard ADJUSTMENT ADJUST ITEM ADJUSTMENT CONDITION OPERATION TRANSMIT 1 Channel 1 3 Connect an RF power meter to the OUTPUT Transmitting antenna connector POWER Channel Transmitting Channel Transmitting RF POWER METER 10 W 50 Q 5 3 TRANSMIT ADJUSTMENT continued Select an adjustment item using 1 keys then set to the specified value using lt gt keys on the connected PC s keyboard ADJUSTMENT ADJUST
22. 2 13 9 38 3 24 1 31 7 54 4 15 7 72 7 19 4 78 8 23 3 2 5 30 6 70 7 25 9 77 2 23 8 76 2 22 1 4 8 38 1 13 38 3 10 2 41 2 4 8 36 5 1 4 00 1 1 1 1 UJ UJ 68 2 15 1 22 6 34 2 53 5 41 5 26 2 39 5 76 27 7 57 4 12 5 3 35 6 4 35 6 4 9 38 6 4 7 36 8 24 2 37 1 22 41 5 31 9 41 34 4 39 7 32 8 41 36 6 37 6 22 1 35 1 20 8 40 9 41 3 13 8 42 4 12 9 46 1 11 6 47 9 14 2 1v 10 5 41 3 19 6 19 3 10 19 6 17 4 27 9 40 7 26 2 7 w w w w gt gt gt UJ UJ 4 UJ UJ UJ UJ UJ H M Mounted side T Mounted on the Top side B Mounted on the Bottom side 6 5 S Surface mount MAIN UNIT H V DESCRIPTION LOCATION ACZ1005Y 102 T 25 4 35 1 ACZ1005Y 241 240 23 9 21 7 ACZ1005Y 241 240 14 26 1 ACZ1005Y 102 T 28 8 29 7 MPZ2012S331A T 75 6 18 6 6910019100 5 MPZ1608S101AT 75 9 26 2 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount SECTION 7 MECHANICAL PARTS CHASSIS PARTS MAIN UNIT ORDER ORDER NO DESCRIPTION NO DESCRIPTION 6910014700 2600 ANT
23. 3 8 2 7030005530 S ERJ2GEJ 100 X 41 2 9 1 7030005050 S ERJ2GEJ 103 X 1530002601 25 4215 TE85R F 23 9 4 1 7030005050 S ERJ2GEJ 103 X 1590001650 XP4601 TX 5 9 26 7 7030005070 5 ERJ2GEJ 683 X 1560001232 RDO7MVS2 T112 59 8 21 9 7030005310 5 ERJ2GEJ 124 1560001241 RDO1MUS1 T113 60 2 28 7030005110 5 ERJ2GEJ 224 1530003421 25 5110 TE85R F 52 4 29 7030004980 5 ERJ2GEJ 101 1530003311 25 5107 TE85R F 47 9 21 9 7030005030 S ERJ2GEJ 152 1530003311 25 5107 TE85R F 43 7 32 1 7030005090 S ERJ2GEJ 104 59 1 11 7 55 5 15 2 52 6 20 3 56 5 17 54 5 15 2 52 1 15 2 50 8 15 7 54 5 17 55 18 3 54 2 20 5 53 4 5 1 49 3 8 7 51 4 5 1 52 4 7 7 47 7 4 4 45 4 5 1 49 1 9 3 50 3 9 2 49 6 7 4 44 4 6 9 42 5 1 37 7 5 1 40 5 1 49 7 11 5 40 2 7 3 42 3 12 42 9 13 8 43 8 6 40 7 12 7 38 9 9 35 6 10 7 37 7 7 6 26 7 3 9 26 2 5 1 25 9 6 5 18 5 14 1 24 6 7 9 20 4 4 6 19 2 4 2 17 7 13 6 23 5 12 6 15 6 12 1 16 4 14 5 16 8 13 3 24 6 6 49 7 14 69 9 7 2 53 9 9 8 55 8 23 8 54 2 23 8 54 2 22 8 56 5 28 5 54 6 27 5 54 6 26 5 54 1 30 8 52 6 31 3 53 6 26 7 51 6 26 7 53 1 25 2 53 6 23 8 52 2 19 9 49 3 24 7 49 3 23 7 48 6 24 3 44 2 30 1 44 5 34 9 49 3 26 7 47 3 26 4 43 9 32 3 44 7 24 42 9 32 3 44 24 8 45 24 8 43 25 6 45 9 32 3 36 4 22 2 45 5 28 3 46 2 24 3 44 5 17 3 32 5 15 5 31 3 15 6 32 5 13 9 31 1 28 4 30 9 29 7 40 7 20 7 40 7 19 7 32 6 25 6 1560000841 S 25 1829 TE85R F 158
24. 4550006250 S TEESVA 1A 106M8R 4030016930 S ECJOEB1A104K 28 5 19 1 H E C I F L on 4030016930 S ECJOEB1A104K 51 1 8 7 4030017460 S ECJOEB1E102K 4030017460 5 ECJOEB1E102K 23 4 7 6 E F L 4030017380 5 ECJOEC1H050B 41 3 31 6 4030017460 S ECJOEB1E 4030017570 5 ECJOEC1H040B 40 3 31 6 IER p ae D F L on 4030017360 S 1 41 6 22 2 4550006780 S TEESVB2 0J 476 4030017360 S 1 40 3 21 7 F L on 4030017380 S ECJOEC1HO050B 40 3 24 4030017460 S ECJOEB1E102K 4030017570 S ECJOEC1H040B 42 9 23 5 I F L on 4030017460 S ECJOEB1E102K 9 1 28 7 4030017420 S ECJOEC1H470J 4030017420 5 ECJOEC1H470J 28 4 38 2 4030017460 S ECJOEB1E102K 4030018860 S ECJOEBOJ105K 37 8 28 1 4030017630 5 ECJOEC1H120J 4030016930 S ECJOEB1A104K 37 8 24 8 4030017610 5 ECJOEC1HO090C 4030017460 5 ECJOEB1E102K 38 8 24 8 4030016930 5 ECJOEB1A104K 4030017400 S ECJOEC1H220J 40 7 32 1 C I F L only 4030017630 S ECJOEC1H120J 38 8 31 6 4030017460 S ECJOEB1E102K 4030017620 S ECJOEC1H100C 37 6 33 3 C I F L only 4030017630 S ECJOEC1H120J 35 3 31 6 4030018860 S ECJOEBOJ105K 4030017460 S ECJOEB1E102K 32 2 27 4 I F L only 4030018910 5 C1608 JB 0J 475K T 29 3 21 3 4550006760 S TEESVB21A336M8R 4030016930 S ECJOEB1A104K 30 7 24 8 C I F L onl
25. 46 26 6 4030017710 5 ECJOEC1H181J 44 2 20 5 4030017750 S ECJOEB1E122K 46 20 5 4030016930 S ECJOEB1A104K 44 5 26 1 4030017760 S ECJOEB1H222K 46 6 24 3 4030016930 S ECJOEB1A104K 41 6 26 1 4030017400 S ECJOEC1H220J 40 3 22 7 4030017400 S ECJOEC1H220J 40 6 32 9 4550007690 S TEESVP 1C 105M8R 39 1 29 6 4550007690 S TEESVP 1C 105M8R 37 3 24 7 4030017460 S ECJOEB1E102K 31 3 14 7 4550007090 S TEESVA 1A 226M8R 36 3 24 7 4030017460 S ECJOEB1E102K 36 3 31 3 4030017720 S ECJOEB1H331K 4030017460 S ECJOEB1E102K 45 4 15 2 4030016790 S ECJOEB1C103K 4030016790 S ECJOEB1C103K 53 4 38 3 4030017460 S ECJOEB1E102K 4030017420 S ECJOEC1H470J 40 7 23 1 4030016930 5 ECJOEB1A104K 4030016930 S ECJOEB1A104K 46 7 23 4030016930 S ECJOEB1A104K 4030016930 S ECJOEB1A104K 28 3 28 4 4030016930 S ECJOEB1A104K 4030017460 S ECJOEB1E102K 48 1 15 2 4030017460 S ECJOEB1E102K 4030017460 S ECJOEB1E102K 44 5 15 2 4030017460 S ECJOEB1E102K 4030017730 S ECJOEB1E471K 36 4 20 3 4030017460 S ECJOEB1E102K 4550000530 S TEESVA 1V 104M8R 40 8 15 7 4030017460 S ECJOEB1E102K 4550006390 5 TEESVA 1C 335M8R 42 9 15 7 4030017460 S ECJOEB1E102K 4550006250 5 TEESVA 1A 106M8R 45 39 6 4030017460 S ECJOEB1E102K 4550000270 S TEESVA 1E 474M8R 33 22 6 4030017460 S ECJOEB1E102K 4030018860 S ECJOEBOJ105K 31 6 16 2 4030017460 S ECJOEB1E102K 4030016930 S ECJOEB1A104K 32 6 31 5 4030017460 S ECJOEB1E102K 4030017420 S ECJOEC
26. 6200007850 S ELJNC R82K F 6200005681 5 ELJRE 15NGFA 6200002861 S NLV25T 4R7J 6200012400 5 0 30 0 91 4TL 8 6N 6200013100 5 0 45 1 5 5TL 18 3N 6200005701 S ELJRE 22NGFA 6200005741 S ELJRE 47NGFA 6200003590 S EXCCL3225U1 6200009181 S ELJRE R10JFA 6200009181 S ELJRE R10JFA 62 11 4 7030008340 5 RR0510P 182 D 1 8 67 4 13 4 7030005050 S ERJ2GEJ 103 X 10 k 57 3 5 8 7030010040 5 ERJ2GEJ JPW 56 5 7 9 7030009320 S ERJ2GEJ 4H7 X 4 53 6 4 5 7030008340 S RR0510P 182 D 1 8 k 50 9 4 5 7030011000 S RR0510P 392 D 3 9 k 47 3 7 7 7030011000 5 RR0510P 392 D 3 9 41 3 5 2 7030005310 5 ERJ2GEJ 124 X 44 1 11 3 7030005000 S ERJ2GEJ 471 X 47 38 1 11 7 7030008370 5 ERJ2GEJ 561 X 47 8 12 1 7030005050 S ERJ2GEJ 103 X 57 2 9 8 7030005110 S ERJ2GEJ 224 X 68 6 18 3 7030005060 S ERJ2GEJ 333 X 67 3 21 4 7030005090 S ERJ2GEJ 104 X X X X 7 120 0 0 k 0 k 0 k 50 k 6 5 60 6 0 2 0 65 5 26 5 7030005120 5 ERJ2GEJ 102 54 4 29 7030005100 5 ERJ2GEJ 154 71 9 21 4 7030009290 S ERJ2GEJ 562 47 8 21 4 7030005030 S ERJ2GEJ 152 47 7 27 6 7030008370 S ERJ2GEJ 561 4 4 4 4 4 10702 1 4 1 1 1 1 1 1 1 1 1 1 1 1 100 5
27. 96 2 07 Hi Q4 g s GND os CD4094BPWR TX 0 57V Ev BD5242G 1410 Pl6 TIOCA2 IROl P17 TIOCB2 AVSS 10 MSVA PJ5 WKP5 SEG6 PJA WKPA SEGS PJ3 WKP3 SEGA PJ2 WKP2 SEG3 PJl WKPl SEG2 PJO WKPO SEG1 P10 P11 1409 A0 vec Al WP A2 SCL vss SDA PJ77WKP7 SEGB PJ6 WKP6 SEG7 P14 TIOCAi IRO0 P15 TIOCB1 TCLKC P12 TCLKA P13 TCLKB P97 AN9 P96 ANB8 P47 AN7 P46 AN6 P45 ANS P44 AN4 P43 AN3 P42 AN2 HD64F2268TFV 7 9 26 2 2 30 31 32 33 34 35 36 7 38 39 40 41 4 44 6 47 48 49 50 HN58X24256FPIE NJM12904V 1407 EM6027P 2402 601 SM 4B SRSS TB 7 opc 1260 4 7 bt bt R601 3 TP76N97N R469 A R467 R466 gt NJM12904V NJM12904V VR UNIT legem 10403 R426 Hr NJM12902V 0413 RSR025N03 NJM12902V AF Min Level ON 0 00V AF Min Level OFF 4 91V C512 M 12403 0415 Se 5 1 5 96815 36 25 4213 33 MSVB2 36 z 35 c496 3
28. HL HH LU UJ UJ UJ UJ UJ UJ UJ UJ UJ UJ M Mounted side T Mounted on the Top side B Mounted on the Bottom side 6 4 S Surface mount MAIN UNIT MAIN UNIT ORDER DESCRIPTION H V ORDER H V DESCRIPTION NO 4030017460 5 ECJOEB1E102K 4030017420 S ECJOEC1H470J 4030017460 S ECJOEB1E102K 4030016790 5 ECJOEB1C103K 4030017460 S ECJOEB1E102K 4030017730 5 ECJOEB1E471K 4030017460 S ECJOEB1E102K 4030017540 5 ECJOEC1HR75B 4030017660 S ECJOEC1H330J 4030017660 S ECJOEC1H330J 4030016790 5 ECJOEB1C103K 4030017730 S ECJOEB1E471K 4030017530 S ECJOEC1HOR5B 4030017460 S ECJOEB1E102K 4030017730 5 ECJOEB1E471K 4030017390 S ECJOEC1H180J 4030017660 S ECJOEC1H330J 4030017510 S ECJOEC1H680J 4030017440 S ECJOEC1H221J 4030017660 S ECJOEC1H330J 4030017420 S ECJOEC1H470J 4030017340 5 ECJOEC1H010B 4030016930 5 ECJOEB1A104K 4030017400 5 ECJOEC1H220J 4030017660 S ECJOEC1H330J LOCATION 44 5 33 9 4030017460 S ECJOEB1E102K 55 1 30 8 4030017460 S ECJOEB1E102K 49 3 22 7 4030017460 S ECJOEB1E102K 54 2 34 4 4030016930 S ECJOEB1A104K 49 34 8 4030017420 5 ECJOEC1H470J 49 3 25 7 4030017420 5 ECJOEC1H470J 46 5 28 3 4030017420 5 ECJOEC1H470J 45 7 29 6 4030017420 5 ECJOEC1H470J 44 9 32 3 4030017420 5 ECJOEC1H470J 45 27 6 4030017420 S ECJOEC1H470J 43 27 5 4030017420 S ECJOEC1H470J 44 27 5 4030017910 S ECJOEB1H152K
29. ITEM FM DEVIATION 1 Channel 1 6 Connect an Modulation 2 05 to 2 15 kHz Narrow e Connect an Audio Generator and an AC Millivolt l yzer to the antenna connector MOD Narrow meter to the JIG cable see the page 5 3 through an Attenuator e Transmitting Middle Channel 3 15 to 3 25 kHz MOD Mid Transmitting Wide Channel 4 05 to 4 15 kHz MOD Wide Transmitting EUR EUR 01 EUR 02 only ADJUSTMENT CONDITION OPERATION VALUE MODULATION ANALYZER 0 1 300 MHz SETTING HPF OFF LPF 20 kHz De emphasis OFF Detector P P 2 ATTENUATOR 30 dB 10 W 5 3 TRANSMIT ADJUSTMENT continued Select an adjustment item using 1 keys then set to the specified value using lt gt keys on the connected PC s keyboard ADJUSTMENT ADJUST ITEM ADJUSTMENT CONDITION OPERATION VALUE MODULATION 1 Channel 1 9 Connect an Oscilloscope to the BALANCE No audio signals are applied to the JIG cable detect output terminal of the Narrow Transmitting Modulation Analyzer BAL Narrow Middle Channel BAL Mid Transmitting Wide Channel BAL Wide Transmitting EUR EUR 01 EUR 02 only OSCILLOSCOPE MODULATION ANALYZER DC to 10 kHz 0 1 300 MHz SETTING HPF OFF LPF 20 kHz De emphasis OFF Detector 2 ATTENUATOR 30 dB 10 W Detec
30. SEG31 SEG32 COMI 2 COM3 Y 1 19 66MHd 1 44Vp H MA28077 413 4 0 1 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 81 80 79 78 7 76 vi v2 v3 PHS PF3 ADTRG IRQ3 P32 SCK0 IRQ4 SEG32 SEG33 SEG34 SEG35 SEG36 SEG37 SEG38 SEG39 SEG40 PHO COM 1 PHl COM 2 P33 TSCl P31 RXDO P30 TXDO PH2 COM 3 PH3 COM 4 AVR M1005CO80MT 9 AVR M1005C080MT TAVR M1005C 1 TAVR M1005C 34 RXD1 SDAO P35 SCK1 SCLO 21 FH SMl 11FH SM1 TB e SEG31 P70 TMRIO1 TMCIOL 210055601 3403 Light ON 30 SML 310M T 19 OFF SEG P71 pa SEG29 P72 TMOO KAKI SEG28 P73 TMOL 4 4 SEG27 P74 210055601 05402 470 12403 SEG26 P75 SCK2 NJM12902V SEG25 P46 RXD2 sme SMLCMI2M T RRASOAE PL7 SEG24 P77 TXD2 PL6 SEG23 2 AVR M1005C080M MA2S111 R403 PL5 SEG22 FWE CONNECT UNIT lt m DS404 100 TX 0 00V PL4 SEG21 ESTAL vss E PL3 sEG20 XTAL I vss vec OUT cD PL2 SEG19 STBY VDD PL1 SEG18 NMI vss NC PLO SEG17 RES PK7 SEG16 oscl PK6 SEG15 osc2 PK5 SEG14 1 PK4 SEG13 16 PK3 SEG12 STR V 15 PK2 SEG11 VREF D OE 14 tS PK1 SEG10 P40 ANO CLK 95 13 5 T 4 5 9 P41 AN1 SKHLLFAO10 01
31. from the reset IC F 59 RES c408 Beep sound level control signal to BPMAX SW F 0415 Low Maximum beep sound level RAC Row address clock to the Voice strage IC M IC18 C F I L only r z 79 SECTION 5 ADJUSTMENT PROCEDURE 5 1 PREPARATION REQUIRED EQUIPMENTS GRADE AND RANGE EQUIPMENT EQUIPMENT GRADE AND RANGE Cloning software CS F50V CLONING SOFTWARE Revision 1 0 or later JIG cable Modified OPC 966C UC See the page 5 3 RF power meter terminated type Measuring range Frequency range Impedance SWR 0 1 10 W 100 300 MHz 500 Less than 1 2 1 Standard signal generator SSG Frequency range Output level 0 1 300 MHz 0 1 mV to 32 mV 7127 to 17 dBm Frequency counter Frequency range Frequency accuracy Input level 0 1 300 MHz 1 ppm or better Less than 1 mW Oscilloscope Frequency range Measuring range DC 20 MHz 0 01 20 V AC millivoltmeter Measuring range 10 mV to 10V Modulation Analyzer Frequency range Measuring range 930 300 MHz 0 to x10 kHz External speaker Input impedance Capacity 80 More than 1 Audio generator Frequency range 300 3000 Hz Attenuator Power attenuation 30 dB Output level 1 500 mV Capacity More than 10 W CLONING ADJUSTMENT CHANNELS Before starting adjustment
32. of the 2nd IF circuits and FM demodulator circuit too The 1st IF signal is applied to the IF IC and converted into the 2nd IF signal by being mixed with the 2nd LO signal from the X2 via the PLL IC IC4 pins 1 2 and tripler at internal 2nd mixer The converted 2nd IF signal is filtered by external 2nd IF filter ceramic filter and saturation amplified by internal 2nd IF AMP The amplified 2nd IF signal is FM demodulated by the quadrature detector The demodulated AF signals SQLI are applied to the RX AF circuits IF IC TA31136FNG BLOCK DIAGRAM z 5 3 72 FM Detector Y RSSI 14 116 2ND IF AND DEMODULATOR CIRCUITS QUADRATURE DETECTOR 2nd IF 21 esFILTER TRIPLER x3 E RX AF CIRCUITS The RX AF circuits consist of AF filters AF amplifier AF AMP AF power amplifier etc and amplify filter the AF signals FM demodulated by the FM IF IC This transceiver employs the base band IC for audio signal processing for both transmit and receive The base band is an audio processor and composed of RF AMPlifier compressor expander scrambler etc in its package The demodulated AF signals from the IF IC are applied to the base band IC IC10 pin 23 The applied AF signals are amplified at the am
33. 0000731 S 3SK293 TE85L F 1580000800 5 3SK324UG TL E n ivvu 4 1 UJ UJ 153000331 1 28C5107 O TE85R F 47 6 29 5 7030005530 S ERJ2GEJ 100 1530002920 25 4226 1 R25 45 22 4 7030005090 S ERJ2GEJ 104 1530002920 25 4226 1 R25 43 9 29 9 7030005050 S ERJ2GEJ 103 1590001400 1214 45 8 26 2 7030005310 5 ERJ2GEJ 124 1590003790 KRC404E RTK P 43 4 27 7030008280 S ERJ2GEJ 271 1530003900 4075 BL RTK P 47 4 37 1 7030004970 S ERJ2GEJ 470 1560000541 2SK880 Y T5RICOM F 46 4 17 3 7030009320 S ERJ2GEJ 4R7 1530003900 KTC4075 BL RTK P 26 15 9 7030005090 S ERJ2GEJ 104 X 1510001090 KTA2015Y RTK P 52 8 36 5 7030009270 S ERJ2GEJ 821 X 1510001090 KTA2015Y RTK P 31 9 37 9 7030005110 S ERJ2GEJ 224 X 1520000840 KTA1664Y RTF P 72 1 25 4 7030005050 S ERJ2GEJ 103 X 1590003800 KTC811U GR RTK P 72 1 29 2 7030005100 S ERJ2GEJ 154 X 1590003780 KRA304E RTK P 68 8 31 6 7030005120 S ERJ2GEJ 102 X 1550000090 RSQO035P03TR 72 9 25 1 7030005070 5 ERJ2GEJ 683 X 1590003790 KRC404E RTK P 54 6 39 7 7030005070 5 ERJ2GEJ 683 X 1530003900 KTC4075 BL RTK P 7030005100 S ERJ2GEJ 154 X C I F only 36 7 40 4 7030005090 S ERJ2GEJ 104 X KTA1664Y RTF P 7030005590 S ERJ2GEJ 680 X K C I F L only 41 1 39 7 7030005120 5 ERJ2GEJ 102 X 7030005530 S ERJ2GEJ 100 X 7030004980 5 ERJ2GEJ 101 X 55 5 12 3 7030007270 S ERJ2GEJ 151 X
34. 030017460 ECJOEB1E102K I F L on 4 9 37 7 4030016930 ECJOEB1A104K 7030005240 ERJ2GEJ 473 X 47 k 4030016930 ECJOEB1A104K B H E C I F L on 21 7 39 4 4030017490 C1608 JB 1A 105K T 7030005240 ERJ2GEJ 473 X 47 k 4030017460 ECJOEB1E102K I F 21 9 38 4 4030017460 ECJOEB1E102K 7030005050 ERJ2GEJ 103 X 10 k 4030017730 ECJOEB1E471K E i F L on 36 6 38 5 4030017460 ECJOEB1E102K 7030005720 ERJ2GEJ 563 X 56 k 4030017680 ECJOEC1H820J H E C I F L on 37 8 38 1 4030017650 ECJOEC1H270J 2 X 2 2 k 69 9 9 8 65 8 6 9 67 9 4 7 63 1 7 3 61 1 4 5 60 4 6 2 61 6 9 64 1 9 8 59 1 13 64 4 13 66 3 15 9 65 9 11 3 68 2 16 4 59 7 4 5 54 6 14 4 54 2 7 3 59 7 6 4 57 5 1 57 9 6 4 53 5 3 8 52 4 6 4 42 10 1 52 9 9 8 56 1 6 4 50 2 3 8 52 4 5 1 49 5 1 48 7 6 4 49 3 10 5 51 8 2 46 4 5 1 46 8 6 4 49 6 7 5 47 1 9 2 45 3 6 9 44 4 5 1 43 3 8 41 6 4 41 8 7 3 38 2 3 8 41 5 1 39 8 5 2 39 8 3 8 40 7 10 9 46 1 10 7 40 7 11 8 38 9 8 1 38 9 9 9 36 7 9 37 3 9 9 37 7 6 34 1 9 1 35 9 12 7 25 8 3 9 27 7 5 26 8 6 3 23 6 23 6 10 9 24 3 8 8 24 2 9 7 22 2 12 2 19 6 3 18 9 13 3 15 13 3 15 9 13 3 14 5 10 5 52 6 15 1 55 19 3 51 6 15 1 15 5 16 1 50 1 18 7 52 6 21 3 56 5 15 2 55 5 17 50 8 14 7 65 5 22 7 66 1 23 4 55 6 22 4 55 8 24 8 65 5 27 7 63 8 24 8 63 8 26 6 56 5 27 5 56 5 26 5 51 6 31 3 54 2 21 8 56 5 29 5
35. 1 20 3 1590002370 XP4111 TX 39 2 29 7030010080 ERJ2RHD 104 X 38 4 14 3 1590003790 KRC404E RTK P 29 3 18 8 7030010080 ERJ2RHD 104 X 39 3 14 3 1590003780 KRA304E RTK P 14 3 17 6 7030007300 ERJ2GEJ 332 X 7 6 23 9 1560001330 RSRO025N03 32 3 53 7030005600 ERJ2GEJ 273 X 7 6 24 8 1590003790 KRC404E RTK P 40 8 41 8 7030007290 ERJ2GEJ 222 X 5 25 7 1530003091 25 4213 TE85R F 23 9 51 1 7030005050 ERJ2GEJ 103 X 26 2 18 9 7030005090 ERJ2GEJ 104 X 9 6 33 2 7030005090 ERJ2GEJ 104 X 6 2 26 9 1790001250 25111 35 4 23 1 7030009290 ERJ2GEJ 562 X 7 7 36 3 1790001250 25111 35 1 18 1 7520000270 PRG21BC4R7M 34 2 46 7 1790001250 25111 15 16 7030007290 ERJ2GEJ 222 X 37 38 7 1790001260 MA2S077 37 24 7030008010 ERJ2GEJ 123 X 31 1 50 8 1790001250 25111 36 5 36 7030005050 ERJ2GEJ 103 X 30 7 48 7 1790001250 25111 9 23 1 7030005050 ERJ2GEJ 103 X 30 4 53 8 7030005050 ERJ2GEJ 103 X 30 4 52 2 7030005090 ERJ2GEJ 104 X 30 5 55 1 6050011720 42 6 18 8 7030005100 ERJ2GEJ 154 X 30 2 49 6 7030005120 ERJ2GEJ 102 21 1 52 3 7030005090 ERJ2GEJ 104 21 1 53 7 9 9 44 3 7030005090 ERJ2GEJ 104 21 5 54 9 10 7 52 2 7030007340 ERJ2GEJ 153 5 24 8 34 3 22 3 7030005230 ERJ2GEJ 334 5 23 9 35 8 20 2 7030009140 ERJ2GEJ 272 5 19 6 9 6 35 1 7030005050 ERJ2GEJ 103 6 6 19 6 10 5 36 4 7030005160 ERJ2GEJ 105 10 4 24 2 7 4 27 3 7030005700 ERJ2GEJ 274 36 7 41 5 6 8 36 3 7030005050 ERJ2GEJ 103 35 1 41 5 36 3 21 4 7030005170 ERJ2GEJ 474 36 9 34 9 9 8 39 6 7030005070 ERJ2GEJ 683 11
36. 1530 SRCN 2681 SP N W MAIN UNIT MAIN UNIT ORDER HIV ORDER HV NO DESCRIPTION LOCATION NO BESHRIFTION LOCATION 1110003201 TA31136FNG EL 19 1 9 1 6200003640 S MLF1608E 100K T 41 4 24 4 1110002751 75501 TE85R F 52 3 18 1 6200007760 S LOW2BHNS2NJO3L 38 8 24 9 1140005991 MB15A02PFV1 G BND ERE1 28 7 24 1 6200008090 S LOW2BHN68NJO3L 37 8 31 6 1110005330 NJM12904V TE1 34 3 9 3 6200007170 S MLF1608A 3R3K T 41 21 9 1190000350 M62363FP 650C 25 2 8 9 6200007170 5 MLF1608A 3R3K T 40 4 25 1 1190001860 EW 460 FT 50 7 39 9 6200009181 S ELJRE R10JFA 58 8 4 8 1110005350 NJM2870F05 TE1 FZZB 73 8 28 6 6200005721 S ELJRE 33NGFA 37 1 32 1 1110006221 AK2346P E2 P 18 9 25 1 6200004480 S MLF1608D R82K T 27 3 12 7 1130009981 7 5 TE85L F 25 2 29 2 6200003540 S MLF1608D R22K T 27 8 18 1 1130011760 CD4094BPWR 17 2 35 8 6200003640 S MLF1608E 100K T 40 8 30 1 1110005330 NJM12904V TE1 30 29 1 6200008090 S LOW2BHN68NJO3L 37 7 21 1130004201 TC4S66F TE85R F 29 5 35 7 6200007720 5 LOW2BHN33NJO3L 37 9 27 7 1190002660 ISD4004 08MEYI 6200009181 S ELJRE R10JFA 41 3 30 9 I F L only 13 1 36 5 6200007170 5 MLF1608A 3R3K T 36 6 28 5 S 812C33AMC C2N G 6200007170 5 MLF1608A 3R3K T 36 6 25 1 I F L only 24 5 41 Oooododoodopo0o0Oo0uno 50000000000000 1180002391 m m O 7030003490 S ERJ3GEYJ 272 V 46 4 10 8 7030005040 S ERJ2GEJ 472 X 47
37. 1H470J 32 9 18 1 4030017460 S ECJOEB1E102K 4030017420 S ECJOEC1H470J 31 2 17 3 4030017460 S ECJOEB1E102K 4030017420 S ECJOEC1H470J 29 8 18 5 4030007090 5 C1608 CH 1H 470J T 4030017450 S ECJOEB1E271K 30 9 31 5 10 E 4030017460 S ECJOEB1E102K 27 1 29 6 4030016930 S ECJOEB1A 4030017620 5 ECJOEC1H100C 25 5 30 9 4030017420 5 ECJOEC1 ire 4030016930 S ECJOEB1A104K 25 4 36 4030017460 S ECJOEB1E102K 4030017460 S ECJOEB1E102K 24 8 34 2 4030016930 S ECJOEB1A104K 4030017620 S ECJOEC1H100C 25 4 25 5 4030017530 S ECJOEC1HOR5B 4030017500 S ECJOEC1H560J 29 3 17 2 4030018860 S ECJOEBOJ105K 4030017570 5 ECJOEC1H040B 27 8 14 8 C on 4030017590 S ECJOEC1H070C 28 4 12 9 4030016930 S ECJOEB1A104K 4030016790 S ECJOEB1C103K 28 9 18 5 C on 4030017360 S 1 29 14 1 4030018860 5 ECJOEBOJ105K 4030016930 5 ECJOEB1A104K 27 8 4 4030016930 S ECJOEB1A104K 20 2 16 4 4030018860 S ECJOEBOJ105K 4030016930 5 ECJOEB1A104K 18 7 16 4 C on 4030016930 S ECJOEB1A104K 31 8 8 9 4030016930 5 ECJOEB1A104K 4030018910 5 C1608 JB 0J 475K T 32 4 5 2 4030017460 S ECJOEB1E102K 35 4 4 4030016930 S ECJOEB1A104K 4030016930 S ECJOEB1A104K 37 2 10 9 C I F L on 4030017460 S ECJOEB1E102K 50 1 12 8 4030018860 5 ECJOEBOJ105K 4030017590 5 ECJOEC1H070C 48 8 13 8 H E K I F L on 4030017460 S ECJOEB1E102K 50 3 10 2
38. 2 7 18 5 54 3 34 1 55 4 23 4 42 9 22 1 41 3 22 2 42 5 19 7 39 5 33 2 33 8 22 5 45 2 20 1 45 7 22 5 44 3 13 7 45 7 12 2 43 7 39 22 5 32 21 17 5 19 9 444444 1 1 102 100 470 100 43 2 28 7 4030017440 ECJOEC1H221J 1 0 Ud 470 45 2 48 4 4030017460 ECJOEB1E102K k 43 9 49 9 4550007080 TEESVA 1C 106M8R 80 k 33 2 32 4 4030016930 ECJOEB1A104K 32 33 2 4030017460 ECJOEB1E102K 31 1 33 6 4030017460 ECJOEB1E102K 31 5 34 8 4030016790 ECJOEB1C103K 33 2 34 7 4030017460 ECJOEB1E102K 23 9 41 3 4550006760 TEESVB21A336M8R 23 41 3 4030018860 ECJOEBOJ105K 21 2 41 3 4030016780 ECJOEB1C153K 18 5 39 4030016930 ECJOEB1A104K 19 7 38 6 4030017740 ECJOEB1E821K 34 5 24 7 4030016930 ECJOEB1A104K 33 6 24 7 4030017460 ECJOEB1E102K 32 7 24 7 4030017460 ECJOEB1E102K 31 8 24 3 4030017760 ECJOEB1H222K 35 7 24 8 4030017690 ECJOEC1H121J 23 3 46 1 4030017770 ECJOEB1E332K 21 7 46 1 4030017420 ECJOEC1H470J 21 2 44 6 4030017420 ECJOEC1H470J 18 3 46 2 4030017420 ECJOEC1H470J 12 5 45 4030017420 ECJOEC1H470J 36 5 32 4030017420 ECJOEC1H470J 4 4 16 3 15 8 21 8 4030017420 ECJOEC1H470J 26 4 13 7 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount 444444400 X X X X X X X X X X X X X X X X X X x Xx X X Xx Xx x X x x Xx X x Xx x x x x Xx x x x x ox OK lt AAAAAAAAANAAAAAANWAAAAAAAW
39. 2904 CR 783 25 5107 25 5107 25077 BAL b 1 LV TX RX N BUFF ace D21 SW TCAS66F HVC375B FAST LV 019 SW P ADJ 91 IC2 KTC4075 013 25 1829 75501 25 4226 x3 D16 17 HVC376B RSSI gt GATE 6 182 35 2 220 35 2 CTRL NJM12904 D18 15 239 BUFF 04 D10 D9 D4 28C4215 HVC350B HVC350B HVC375B 46 35 2 3SK324 K BPF BPF BPF 026 IC1 TA31136FN RSQ035P03 ZN FI2 M mn RSSI NOIS CDBKB450KCAY24 CFWKA450KFFA 450KHz TC7W66FK NJM12902 TDA8547TS LPF D MUTE IC18 ZN 1504002 120 IC19 1C405 A 812C33AMC TDA8547TS EX PLAY 43 3 P AF PANDER REC REG 0415 25 4213 1 0 A 1 6 M62363FP 1 4 pl MUTE TC4W53FU 0406 404 pj BR SP ESP 0414 KRC404E SW PRESSOR CTRL SW 921 0401 850035 03 ZN KTA2015 0402 KTC811U CTCSS DTCS
40. 4 33 MSVB2 R428 C421 33 47K 0 1 9401 32 31 5 401 AFON EXT SP 7 30 AFON ON INT S c d Fm s 28 OPC 1210A 036D0801B ERDS2TO 26 12K 25 1405 2 GNDL 23 NC NC 22 00 1 1 21 IN1 MODE x KTC811U 20 11 SVRR 19 N2 SELECT 18 IN2 NC 17 OUT2 2 16 Ne 15 vec2 GND2 por 14 13 MA2S111 12 11 10 TDAB8547TS 1K R523 2 j R539 TC75851FU 4 7K AFON ON EXT SP 3 35V AFON ON INT SP 2 13V HARON _ 20 00 Refer to PARTS LIST 10 1 MAIN UNIT Left side MP2 CHASSIS 4 3 1 52 220125331 2 M 216085101 RSQ035P03TR 26 TX 5 01V KTA2015 7A2015 021 22 D12 MA2S111 Q29 KRC404E 7 01 71024 re KRA304E NJM2870 ERTJOEP4730 4 7 MSVA 1 5 96815 36 SIGNAL
41. 4 4 4030017460 ECJOEB1E102K 7030010080 ERJ 76 23 3 4030017460 ECJOEB1E102K 7030005090 ERJ 47 7 41 5 4030017620 ECJOEC1H100C 7030005170 ERJ 46 8 41 5 4030016790 ECJOEB1C103K 7030005080 ERJ 50 2 10 5 4030017460 ECJOEB1E102K 7030005220 ERJ 50 2 8 7 4030017570 ECJOEC1HO40B 7030009290 ERJ 44 5 9 6 4030017650 ECJOEC1H270J 7030005170 ERJ 43 3 10 4030017460 ECJOEB1E102K 7030005110 ERJ2GEJ 224 X 43 4 10 9 4030017460 ECJOEB1E102K 7030005070 ERJ2GEJ 683 X 7 1 23 7 4030017460 ECJOEB1E102K 7030007570 ERJ2GEJ 122 X 8 3 25 9 4030016790 ECJOEB1C103K 7030005050 ERJ2GEJ 103 X 4 8 28 6 4030017430 ECJOEC1H101J 7030005220 ERJ2GEJ 223 X 9 5 22 7 4030017680 ECJOEC1H820J 7030005220 ERJ2GEJ 223 X 8 6 23 9 4030017420 ECJOEC1H470J 7030005220 ERJ 8 1 27 1 4030017460 ECJOEB1E102K 7030007340 ERJ 6 29 4030017460 ECJOEB1E102K 7030007300 ERJ 4 8 29 5 4030017460 ECJOEB1E102K 7030005090 ERJ 5 7 24 5 4030017430 ECJOEC1H101J 7030007350 ERJ 32 8 15 8 4030017430 ECJOEC1H101J 7030005110 ERJ 31 1 14 9 4030017430 ECJOEC1H101J 7030005110 ERJ 33 3 14 4030016930 ECJOEB1A104K 7510001730 ERTJOEP 473J 25 9 33 2 4030017460 ECJOEB1E102K 7030010080 ERJ2RHD 104 X 100 k 25 32 3 4030017460 ECJOEB1E102K 7030005090 ERJ2GEJ 104 X 100 k 13 9 35 4 4030017460 ECJOEB1E102K 7030005090 ERJ2GEJ 104 X 100 k 13 9 33 8 4550006250 TEESVA 1A 106M8R 7030005050 ERJ2GEJ 103 X 10 k 22 6 36 5 4030016930 ECJOEB1A104K 7030005000 ERJ2GEJ 471 X 470 30 8 12 3 4030017460 ECJOEB1E102K 7030009150 ERJ2GEJ 824 X 820 k 4
42. 7 4550007080 TEESVA 1C 106M8R 40 6 46 4 4030016960 ECJOEB1C183K 6 3 25 3 6910016330 MMZ1005S 601CT S 4 4 18 4 4030016960 ECJOEB1C183K 6 3 23 4 6910016330 MMZ1005S 601CT S 4 8 19 4 4030017730 ECJOEB1E471K 5 23 4030017730 ECJOEB1E471K 11 3 24 2 M Mounted side T Mounted on the Top side B Mounted on the Bottom side 4550000460 TEESVA 1C 105M8R 23 5 48 6 S Surface mount 4030018860 ECJOEBOJ105K 22 3 49 5 4030018860 ECJOEBOJ105K 25 9 51 5 HN LOCATION DESCRIPTION 7210003130 VAR TP76N97N 13F 10KA 2497 8900012340 CBL OPC 1260 7410001130 EXB28V102JX 6 5 32 5 4030017460 ECJOEB1E102K 4 6 9 9 4030017460 ECJOEB1E102K 4 4 14 2 4030017460 ECJOEB1E102K 3 9 17 1 6510026140 11 5 1 LF SN 3 6 37 1 6910016330 MMZ1005S 601CT S 6 4 9 9 6910016330 MMZ1005S 601CT S 4 8 12 9 6910016330 MMZ1005S 601CT S 4 9 16 5 6510026130 5 96815 36 900 30 9 6 2 6510023831 G SM04B SRSS TB LF SN 84 9 52 5 6510026140 11FH SM1 TB LF SN 29 43 5 5030002730 L3 0048TAY 5 5040002420 SML 310MT T86 13 5 16 1 5040002420 SML 310MT T86 32 7 15 3 5040002961 SML A12MT T86J 6 2 38 5040002961 SML A12MT T86J 42 8 38 5040002670 CL 165HR YG 45 3 50 2 7700002760 EM6027P 46C33 G 01 lt HOR gt 2260002840 SKHLLFAO10 2510001330 036D0808 FG 8900016840 1753 P0 5 N36 L70 7120000470 ERDS2TO 7120000470 ERDS2TO 8900017120 OPC 1754 0 5 11 135 lt gt 893006
43. 9 33 5 13 8 20 4 7030005050 ERJ2GEJ 103 22 50 7 29 2 13 9 7030005060 ERJ2GEJ 333 22 52 3 27 3 13 7 7030005040 ERJ2GEJ 472 25 5 52 8 36 9 13 6 7030005050 ERJ2GEJ 103 10 3 53 4 39 23 4 33 4 20 9 17 5 19 4030017460 ECJOEB1E102K 5 3 16 3 4030017460 ECJOEB1E102K 28 7 37 2 4030017460 ECJOEB1E102K 29 9 36 5 4030017460 ECJOEB1E102K 30 2 35 6 4030017760 ECJOEB1H222K 31 5 36 5 4030018110 ECJOEB1H272K 12 3 35 3 4030017430 ECJOEC1H101J 14 5 37 8 4030016930 ECJOEB1A104K 13 8 36 9 4030016930 ECJOEB1A104K 12 3 36 2 4030016930 ECJOEB1A104K 12 9 40 2 4030016930 ECJOEB1A104K 14 5 39 6 4030016930 ECJOEB1A104K 12 2 42 1 4030016930 ECJOEB1A104K 35 55 4 4030017640 ECJOEC1H150J 32 9 38 4 4030016790 ECJOEB1C103K Ok 34 7 37 7 4030017630 ECJOEC1H120J 2 36 8 40 2 4030017580 ECJOEC1HO060C 00 k 36 1 33 4 4030016930 ECJOEB1A104K 8 k 37 3 33 7 4550006050 TEESVA 0J 106M8R 32 3 55 2 4030016930 ECJOEB1A104K 30 1 52 1 4030016930 ECJOEB1A104K 43 2 27 8 4030018890 224 C 000000000 14 X x X x x x X x 1 1 1 1 1 1 1 1 1 1 1 1 7030007290 ERJ2GEJ 222 7030005060 ERJ2GEJ 333 7030005120 ERJ2GEJ 102 7030005120 ERJ2GEJ 102 7030007340 ERJ2GEJ 153 7030005210 ERJ2GEJ 822 7030005230 ERJ 7030005090 ERJ 7030005090 ERJ 7030005090 ERJ 7030005090 ERJ2GEJ 104 7030005090 ERJ2GEJ 104 7030005600 ERJ2GEJ 273 7030005600 ERJ 7030005100 ER
44. AAAAAANAAAAAAAAAAAAAAAAA XX Ex 6 1 FRONT UNIT VR UNIT ORDER AA NO DESCRIPTION LOCATION 4030017420 ECJOEC1H470J 36 9 14 5 4030017420 ECJOEC1H470J 30 5 13 1 4030017420 ECJOEC1H470J 40 4 11 5 4030016790 ECJOEB1C103K 38 1 15 9 4030018860 ECJOEBOJ105K 5 26 6 4030017460 ECJOEB1E102K 33 45 4 4030017460 ECJOEB1E102K 29 9 21 9 4030017420 ECJOEC1H470J 33 3 44 1 4030017420 ECJOEC1H470J 33 5 41 9 CONNECT UNIT 4030017460 ECJOEB1E102K 27 8 17 7 ORDER HN 4030017460 ECJOEB1E102K 6 4 38 1 NO DESCRIPTION LOCATION 4030017460 ECJOEB1E102K 11 8 41 2 4030017460 2 38 8 41 8 1790001810 AVR M1005C080MTABB 9 5 31 8 4030017460 2 33 7 48 1790001810 AVR M1005C080MTABB 9 2 32 8 4030017460 ECJOEB1E102K 32 1 47 5 1790001810 AVR M1005CO80MTABB 4 7 82 3 1790001810 AVR M1005CO80MTABB 3 4 32 4030017460 ECJOEB1E102K 34 4 35 9 4030017460 2 22 1 43 4 1790001810 AVR M1005C080MTABB 4 8 20 7 4030017460 ECJOEB1E102K 9 9 30 9 4030017460 ECJOEB1E102K 40 3 27 4030017460 ECJOEB1E102K 37 3 37 3 4030017460 ECJOEB1E102K 6 8 18 2 4030016930 ECJOEB1A104K 17 4 34 7 4030017460 ECJOEB1E102K 39 6 67 3 4030017460 ECJOEB1E102K 10 40 5 4550006760 TEESVB21A336M8R 13 2 54 7 4030018390 ECJOEB1A563K 8 1 37 9 4030017430 ECJOEC1H101J 10 5 33 2 4030017420 ECJOEC1H470J 15 4 36 9 4030016930 ECJOEB1A104K 9 3 37 9 4030017730 ECJOEB1E471K 35 1 13 2 4030016930 ECJOEB1A104K 31 9 49 6 4030018860 ECJOEBOJ105K 32 3 48
45. CCITT filter USA EXP CHN only Residual modulation with CCITT filter EUR only Limitting charact of modulator Microphone impedance RECEIVER Receive system Intermediate frequencies Sensitivity Squelch sensitivity at threshold Adjacent channel selectivity Spurious response Intermodulation rejection ratio Hum and noise without CCITT filter USA EXP CHN only Hum and noise with CCITT filter EUR only Audio output power at 5 distortion with an 8 Q load Audio output impedance 40 dB min 45 dB typ 45 dB min 55 dB typ SPECIFICATIONS TX RX 136 174 MHz 128 ch 8 banks Wide 16KOF3E 25 0 kHz Middle 14KOFSE 20 0 kHz EUR only Narrow 11 12 5 kHz 50 O Nominal 30 C to 60 C 22 to 140 F USA EXP CHN 25 C to 55 C EUR Specified Icom s battery packs only 7 2 V DC negative ground Receiving 85 mA stand by 500 mA max audio with internal speaker 350 mA max audio with external speaker 1 8 A at 5 0 W 0 7 A at 1 0 W Transmitting 56 0 W x97 0 H x36 4 D mm 2 7 32 W x3 1346 H x1 746 D in Approx 280 g 9 7 8 oz 5 W High 2 W Low2 1 W Low1 Variable reactance frequency modulation x5 0 kHz Wide 4 0 kHz Middle 2 5 kHz Narrow EUR only z2 5 ppm 70 dB typ USA EXP CHN 0 25 uW x1 GHz 1 0 uW gt 1 GHz EUR 70 dB min
46. CONNECTOR E 2710000850 QX10A R5 5X3 3 0V WIRESOMM Except A D G J 8010020920 3060 CHASSIS 8950005512 2403 CONTACT SPRING 2 8930058561 2403 A MAIN SEAL 1 8930059800 2600 PET SHEET 8930059830 2600 SHEET 8930051500 8930055870 O ring AO 8930058550 O ring AS 8830001600 Nut L 8830003140 VR NUT Y 8850001880 Sealing washer W 8810009511 Screw BT BO 2X4 NI ZC3 BT 8810007890 Screw BT BO 2X4 SUS 8810010121 ScrewPH BO 2X8 SUS SSBC 8810010191 Screw 2 4 SUS SSBC 8930073030 3060 MOTOR PLATE Except A D G J 8310070300 3060 PLATE 8930073450 3060 VOL SEAL 8410002531 2681 PA HEATSINK 1 8510015520 2681 VCO CASE 8510015510 2681 VCO COVER 8510015670 2681 SHIELD PLATE 6910014760 OG 503040 ORDER NO 6510026140 11FH SM1 TB LF SN DESCRIPTION 8950005520 2403 9 PIN CONNECTOR 4 Sn NG eo oo VR UNIT FRONT UNIT 1 DESCRIPTION ORDER 7210003130 TP76N97N 13F 10KA 2497 NO 5030002730 L3 0048TAY 5 DESCRIPTION 8900012340 OPC 1260 7700002760 EM6027P 46C33 G 01 2260002840 SKHLLFAO10 ACCESSORIES 2510001330 036D0803 8900016840 OPC 1753 DESCRIPTION 7120000470 ERDS2TO 7120000470 ERDS2TO 8900017120 OPC 1754 BP 227 FA S59V MB 98 8210017071 2337 C PANEL 1 8810010470 Screw truss M3X4 SUS SSBC 8310070780 3060 KEY STIC
47. CRIMINATOR IC5 NJM12904V X1 CDBKB450KCAY24 VIBRATION MOTOR RF CIRCUITS MF1 QX10A R5 5X3 TX POWER AMP AF BUFFER BASE BAND IC EXPANDER Q7 RDO7MVS2 T112 IC6 NJM12904V IC10 AK2346 12 CD4094BPWR DRIVE AMP LOCK VOLTAGE SWITCH Q8 RDO1MUS1 T113 IC17 TC4S66F 2 1 SECTION3 DISASSEMBLY INSTRUCTION 3 REMOVING THE MAIN UNIT Unsolder 6 points from the shield cover 2 Unsolder 4 points from the contact spring 3 Unsolder 1 point from the antenna connector 1 REMOVING THE CHASSIS UNIT CDUnscrew the ANT nut and remove the VR knob 2 Remove the VR washer and unscrew the top screw 3 Unscrew side screws and washers 4 Unscrew bottom screws 5 Take off the CHASSIS UNIT in the direction of the arrow 6 Disconnect the flat cable from the CHASSIS UNIT MAIN UNIT VR washer Top screw VR knob ANT nut Side screw amp Washer 2 REMOVING THE FRONT UNIT CDDisconnect the VR cable from J402 2 Disconnect the flat cable from J403 VR cable 3 Unscrew 4 screws 4 Unsolder 2 points at the speaker leads 5 Take off the FRONT UNIT in the direction of the arrow Unscrew x4 Unsolder x2 Speaker leads Unsolder x4 contact spring Unsolder 1 antenna connector Unsolder x6 shield cover
48. Dresses 5 5 SQL REF BPF ALL Enter to Sweep BPF T1 BPF T2 RX LYA TX LYA LYA LVCTX LYA RSSI Enter to Sweep Enter to Sweep Enter to Sweep Enter to Sweep This screen is an example only Each transceiver has its own specific values for each setting When the adjustment is completed click Clone Write button 5 2 m PC CONNECTIONS RS 232C cable straight m JIG CABLES OPC 966U USB type Cloning cable R 5 EXT SPEAKER 1 W 8 Q 7675956 50 RRRA CAUTION Attach the SP MIC jack snugly but do not overtighten An overtightened jack will damage the connector pins in the transceiver AC MILLIVOLTMETER 10 mV to 10 V AUDIO GENERATOR 300 3000 2 1 500 0000 0000 Add a jumper wire here Ma SP ge GND NA NS o 82 3 TUTTI b MIC 4 4 7 uF lt SETTING gt 0 Frequency 1 kHz g 1 Level 150 mV rms 2 86255894522 6000066000 la PTT SWITCH Add a jumper wire here PTT SWITCH ie Level 150 mV rms
49. ER CIRCUITS 4 6 OTHER CIRCUITS Retinal end ed Ge ee 4 7 VOLTAGE BLOCK DIAGRAM ERE RE ob ed pre eee ee E AEN LA 4 7 CPU 401 PORT 5 4 8 ADJUSTMENT PROCEDURES PREPARATION ss ttr Lath a rae 5 1 FREQUENCY ADJUSTMENT elle pe RR ERR ERE 5 4 TRANSMIT ADJUSTMENT RR e ERU ae 5 6 RECEIVE ADJUSTMENT qa 5 10 PARTS LIST MECHANICAL PARTS BOARD LAYOUTS BLOCK DIAGRAM VOLTAGE DIAGRAM FRONT UNIT Incl CONNECT and VR UNITS n de cae 10 1 MAIN UNIT 22 222222 2 2 2 2 24 24 4 4 10 2 MAIN UNIT Right 10 3 SECTION 1 E GENERAL Frequency coverage Number of conventional channels Type of emission Antenna impedance Operating temperature range Power supply requirement nominal Current drain Approx Dimensions Projections not included Weight Incl BP 227 E TRANSMITTER Output power Modulation Maximum frequency deviation Frequency stability Spurious emissions Adjacent channel power Audio harmonic distortion FM Hum and noise without
50. J 7030005100 ERJ 7030005170 ERJ 7030005170 ERJ2GEJ 474 7030005600 ERJ2GEJ 273 7030005090 ERJ2GEJ 104 7030005090 ERJ2GEJ 104 7030005090 ERJ2GEJ 104 7030005160 ERJ2GEJ 105 7030005240 ERJ2GEJ 473 7030005240 ERJ2GEJ 473 7030005040 ERJ2GEJ 472 7030005050 ERJ2GEJ 103 7030005090 ERJ2GEJ 104 7030005090 ERJ2GEJ 104 7030005000 ERJ2GEJ 471 7030005120 ERJ2GEJ 102 7030005090 ERJ2GEJ 104 7030007290 ERJ2GEJ 222 7030005090 ERJ2GEJ 104 7030005070 ERJ2GEJ 683 7030004980 ERJ2GEJ 101 7030005090 ERJ2GEJ 104 7030005000 ERJ2GEJ 471 7030004980 ERJ2GEJ 101 7030005000 ERJ2GEJ 471 7030005120 ERJ2GEJ 102 7030008300 ERJ2GEJ 184 7030005720 ERJ2GEJ 563 7030005220 ERJ2GEJ 223 7030005220 ERJ2GEJ 223 7030005050 ERJ2GEJ 103 7030005240 ERJ2GEJ 473 7030005240 ERJ2GEJ 473 7030005240 ERJ2GEJ 473 7030005040 ERJ2GEJ 472 7030005240 ERJ2GEJ 473 7030005110 ERJ2GEJ 224 7030005090 ERJ2GEJ 104 7030005240 ERJ2GEJ 473 7030005220 ERJ2GEJ 223 7030005050 ERJ2GEJ 103 7030005070 ERJ2GEJ 683 7030005070 ERJ2GEJ 683 7030005070 ERJ2GEJ 683 7030005070 ERJ2GEJ 683 7030005070 ERJ2GEJ 683 7030005090 ERJ2GEJ 104 7030005090 ERJ2GEJ 104 4WWWAA4 AA AAA AA 44 4 4454454 44 454 45 AAA 10 7 51 3 15 20 31 22 6 10 3 43 1 10 5 34 8 9 6 36 7 7 4 26 4 29 6 37 7 27 8 37 6 30 5 37 7 31 7 37 4 36 7 19 3 38 1 24 6 38 1 21 4 34 6 20 2 39 4 19 2 39 4 20 8 39 24 6 24 6 16 9 24 9 18 5 13 5 35 7 12 9 39 2 14 5 38 7 35 6 54 2 40 6 44 3 37 6 47 36 7 47 34 7 36 8 32 9 39 3 38 9 4
51. JOEC1H220J 7030005060 ERJ 16 6 19 5 4030017630 ECJOEC1H120J 7030005240 ERJ 21 3 14 3 4030017380 ECJOEC1HO50B 7030005230 ERJ2GE 14 24 1 4030017460 ECJOEB1E102K 7030005600 ERJ 4030017430 ECJOEC1H101J 4 3 33 4 4030017340 7030005060 ERJ X 33 k 3 1 34 4030016930 ECJOEB1A104K 7030005240 ERJ 24 8 19 2 4030017460 ECJOEB1E102K 7030007290 ERJ 23 9 20 1 4030017580 ECJOEC1HO60C 7030007290 ERJ 25 7 19 2 4030017430 ECJOEC1H101J 7030005240 ERJ2GE 26 9 18 6 4030017460 ECJOEB1E102K 7030005060 ERJ 25 6 26 2 4030017370 ECJOEC1H3R5B 7030005160 ERJ 14 27 7 4030017560 ECJOEC1H2R5B 7030005120 ERJ 13 6 22 9 4030016930 ECJOEB1A104K 7030005060 ERJ 27 9 24 3 4030016930 ECJOEB1A104K 7030005090 ERJ 32 5 12 5 4030017460 ECJOEB1E102K 7030005070 ERJ2GEJ 683 X 37 20 4030017420 ECJOEC1H470J 7030010040 ERJ2GEJ JPW 22 6 3 1 4030018860 ECJOEBOJ105K 7030005070 ERJ 31 8 10 5 4030017460 ECJOEB1E102K 7030008310 ERJ 33 8 3 2 4030016790 ECJOEB1C103K 7030005100 ERJ2GE 31 8 7 3 4030017360 7030005100 ERJ 33 8 5 4030017460 ECJOEB1E102K 7030005050 ERJ 28 2 2 6 4030017350 ECJOEC1HO20B 7030005050 ERJ 32 6 3 1 4030017630 ECJOEC1H120J 7030005050 ERJ 50 9 36 6 4030017460 ECJOEB1E102K 7030005040 ERJ 49 6 36 4030017460 ECJOEB1E102K 7030005050 ERJ 31 6 39 8 4030017570 ECJOEC1HO40B 7030005040 ERJ 30 2 39 4 4030017460 ECJOEB1E102K 7030005050 ERJ 74 6 28 5 4030016790 ECJOEB1C103K 7030007290 ERJ 69 8 28 8 4030017590 ECJOEC1HO70C 7030005700 ERJ 75 1 2
52. KER 8930061530 SRCN 2681 SP N W 8210024210 3060 FRONT PANEL Incl MP416 MP403 MP402 MP420 8210019870 2681 TOP PANEL 8930060530 2681 TOP KEY 8930060540 2681 4 2 KEY 8210019880 2681 PTT BUTTON 8930060550 2681 PTT PLATE 8930060711 2681 PTT RUBBER 1 8310059540 2681 LCD PLATE 8930060520 2681 LED LENS 8210019890 2681 REFLECTOR 8310069820 2681 WINDOW PLATE 8930060860 2681 WINDOW SHEET 8930059360 2600 RELEASE BUTTON 8930063030 2721 RELEASE PLATE 8930056540 Push spring AH 8830001591 1362 INSERT NUT 1 8930055730 2403 CONNECTOR SEAL 8930055890 2403 CONNECTOR SHEET 8930056430 2403 9 PIN SHEET 8930073610 SP NET D 8610011380 Knob N 313 Incl 422 8610009240 Knob spring NO 7800P 8930068980 2905 VENT SHEET 8810009511 Screw BT BO 2X4 NI ZC3 BT 8510015660 2681 F SHIELD PLATE 8930061200 2681 MIC RUBBER 8930061120 Shield sponge AA 8930062240 SPONGE Refer to SECTION 9 BOARD LAYOUTS t Optional product AM A Screw abbreviations BO BT Self tapping PH Pan head ZK Black NI ZU Nickel Zinc SUS Stainless 7 1 UNIT ABBREVIATIONS F FRONT UNIT M MAIN UNIT V VR UNIT CO CONNECT UNIT C CHASSIS PARTS WAOA F lt A gt J1 CO CONNECT UNIT MP419 F 2 VR UNIT W601 uu MP2 A if 7 F N 4
53. O SERVICE MANUAL VHF TRANSCEIVER IC FS0V S 14406XZ C1 Sep 2007 Icom Inc INTRODUCTION This service manual describes the latest service information for the IC F50V F51V VHF TRANSCEIVER at the time of publication Channel Voice Version Symbol po Vibration storage N A USA USA 01 B 15 0 30 0 N A sov __ usa o2 Yes EXP N A Export EXP 01 12 5 25 0 Yes 02 Yes G Europe 12 5 20 0 25 0 Yes N A China 12 5 25 0 N A Yes UNIT ABBREVIATIONS F FRONT UNIT M MAIN UNIT V VR UNIT CO CONNECT UNIT To upgrade quality any electrical or mechanical parts and internal circuits are subject to change without notice or obligation CAUTION NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than specified This will ruin the transceiver DO NOT reverse the polarities of the power supply when connecting the transceiver DO NOT apply signal of more than 20 dBm 100 mW to the antenna connector This could damage the transceiver s front end ORDERING PARTS Be sure to include the following four points when ordering replacement parts 1 10 digit Icom parts numbers 2 Component name 3 Equipment model name and unit name 4 Quantity required ORDER EXAMPLE 1110003491 S IC TA31136FNG IC F50V MAIN UNIT 5 pieces 8820001210 Screw 2438 screw IC F51V Top cover 10 pieces Addresses a
54. RS 232C type Cloning cable Lr 246 O E IE AUDIO GENERATOR cm ZR 3000 2 1 BU 5 900 9000 1 500 mV mce r3 6 a E 1_ MILLIVOLT e 9 EXT SPEAKER METER zl y 2 c 1 W 8 Q 10 mV to 10 V 5 2 FREQUENCY ADJUSTMENT Select an adjustment item using 1 keys then set to the specified value using lt gt keys on the connected PC s keyboard ADJUSTMENT ADJUST ITEM ADJUSTMENT CONDITION OPERATION PLL LOCK 1 Channel 1 1 Click Update F5 the Adjust VOLTAGE Receiving menu see the page 5 2 then check RX LVA the LVIN item on the I O check win 1 1 dow as below TX LVA Channel Connect an RF Power Meter to the antenna connector e Transmitting CONVENIENT The PLL LOCK VOLTAGE can be adjusted automatically 1 Set the Lock voltage preset RX LVA and TX LVA to 179 2 Push the ENTER key on the connected PC s keyboard PLL LOCK 1 e Channel 1 13 Click I O Update F5 in the Adjust 0 9 1 5 V VOLTAGE e Receiving menu see the page 5 2 then check Verify verify Channel 1 13 the LVIN item on the I O check win 0 9 1 5 V dow as below Verify e Transmitting RF POWER METER 10 W 50 9 IJO CHECK WINDOW T CS F50V 198 C4 769V
55. S ERJ2GEJ 151 X le 40 8 28 8 7030007250 S ERJ2GEJ 220 X 2 37 2 22 7 7030005090 S ERJ2GEJ 104 X 37 2 29 4 7030005040 5 ERJ2GEJ 472 X 42 1 8 7 7030005590 S ERJ2GEJ 680 X 32 5 29 2 7030005060 S ERJ2GEJ 333 X 53 3 15 7030005040 S ERJ2GEJ 472 X 28 1 8 7030005530 S ERJ2GEJ 100 X X X X X X X X C0 D 0 CO CO C0 D S8gEEESSS8EEESEE 99ooog9g99oooQ9oo UJ 4 UJ UJ U H UJ UJ UJ E d E HE HEU HH O2 02 7030004980 S ERJ2GEJ 101 7030005000 S ERJ2GEJ 471 2030000150 S FL 335 46 350 MHz 32 4 5 8 7030005030 S ERJ2GEJ 152 2020002160 S CFWKA450KFFA RO 19 7 21 7030004980 5 ERJ2GEJ 101 7030005050 S ERJ2GEJ 103 7030005120 5 ERJ2GEJ 102 6070000191 S CDBKB450KCAY24 RO 16 9 9 6 7030004980 S ERJ2GEJ 101 6050011940 5 CR 783 15 3 MHz 28 4 33 4 7030005090 S 6050011730 S CR 765 3 6864 MHz 16 6 29 6 7030009320 5 ERJ2GEJ 4H7 X 4 7 7030005110 S ERJ2GEJ 224 X 220 k 7030004980 S ERJ2GEJ 101 X 100 67 8 7 7030004980 S ERJ2GEJ 101 X 100 6200012780 6TL 27 2N 63 4 5 5 7030005090 S ERJ2GEJ 104 X 100 k 0 30 1 4 6200012770 5 0 26 1 1 7TR 24 6200012470 5 0 30 1 7 7TL 45 3 6200012390 5 0 30 0 92 3TR 5 8N 6200012470 5 0 30 1 7 7TL 45 3N 6200005711 5 ELJRE 27NGFA 6200008090 S LQW2BHN68NJOSL 6200008090 S LQW2BHN68NJ03L 6200007750 S LQW2BHN56NJ03L 6200007750 S LQW2BHN56NJ03L 6200008090 S LQW2BHN68NJOSL
56. Wide Middle 60 dB min Narrow 3 at AF 1 kHz 40 deviation 40 dB min 46 dB typ Wide 34 dB min 40 dB typ Narrow 50 dB min 55 dB typ Wide 43 dB min 53 dB typ Middle 40 dB min 50 dB typ Narrow 60 100 of max deviation 2 2 Double conversion superheterodyne system dst IF 46 35 MHz 2nd IF 450 kHz 0 25 uV typ at 12 dB SINAD USA EXP CHN 4 dBy V EMF typ at 20 dB SINAD EUR 0 25 uV typ USA EXP CHN 4 dBu V EMF typ EUR 70 dB min 75 dB typ Wide Middle 60 dB min 65 dB typ Narrow 70 dB 70 dB min 74 dB typ USA EXP CHN 65 dB min 67 dB typ EUR Wide Narrow Wide 43 dB min 53 dB typ Middle 40 dB min 50 dB typ Narrow 34 dB min 40 dB typ 0 7 W typ max audio with internal speaker 0 5 W typ max audio with external speaker 8 Q Specifications are measured accordance with TIA EIA 603 USA EXP CHN or EN 300 086 EUR All stated specifications are subject to change without notice or obligation SECTION 2 INSIDE VIEWS FRONT UNIT AF POWER AMP CPU 405 TDA8547TS 401 HD64F2268TFV EXPANDER CPU CLOCK RESET IC 410 CD4094BPWR X401 CR 764 IC408 BD5242G er RECIPES 7 ees MIC AMP EEPROM 1 407 NJM12904V IC409 HN58X24256FPIE MAIN UNIT BAG IC6 M62363FP 650C AF BUFFER AF MIXER DIS
57. e Band Width 501 Tight STARTING SOFTWARE ADJUSTMENT D Connect the transceiver and PC with OPC 966 U see the page 5 3 2 Turn the transceiver power ON 3 Boot up Windows and click the program group CS F50V the Programs folder of the Start menu then CS F50V s window appears Or click the shortcut CS F50V on the desktop Click Adjust Read button Check Adjust Read Clone Write H Memory nTMF 10 Check j O Update F5 5 CAUTION dialog appears Click OK CAUTION Adjust Utility is activated now Use the original cloning data which you read out otherwise the transceiver will not work properly and all items must be readjusted 6 The adjustment window shows transceiver s condition and adjustment items as below 7 Set or modify adjustment data as specified in the guidances pages 5 4 to 5 12 H Untitled CS F5b0V File View COM Port Clone Model Adjust Help Memory DTMF H E Continuous Tone H E SCAN H E 5Tone Emergency E Adjust Utility E Parameter Setting No 1 RX 136 10000 136 10000 RF Power High Mode Wide Adjust Power 180 Power 12 96 Power 11 59 BAL Wide 165 HHHHHHHHH BAL Mid 127 Denn BAL Narrow 87 ties MOD Wide 193 MOD Mid 152 inp 101
58. e the audio signals just appear STANDARD SIGNAL GENERATOR 1 300 MHz CAUTION DO NOT transmit while an SSG is connected to the antenna connector SETTING Modulation 1 kHz Deviation 3 5 kHz Level 15 dBu 5 12 SECTION 6 PARTS LIST FRONT UNIT FRONT UNIT ORDER ORDER HV NO DESCRIPTION LOCATION NO DESCRIPNON LOCATION 1140010191 HD64F2268TF20V 22 9 28 7030005090 ERJ2GEJ 104 X 100 k 15 6 20 9 1110005340 NJM12902V TE1 16 9 42 9 7030005090 ERJ2GEJ 104 X 100 k 14 2 21 7 1110006770 TDA8547TS N 25 8 53 2 7410001130 EXB28V102JX 13 6 24 7 1130011741 TC7W66FK TE85L F 8 1 42 4 7030005090 ERJ2GEJ 104 X 100 k 33 9 23 5 1110005330 NJM12904V TE1 7 1 31 6 7030005090 ERJ2GEJ 104 X 100 k 31 9 31 3 1110006260 BD5242G TR 32 18 5 7030005050 ERJ2GEJ 103 X 10 k 32 9 31 2 1130012690 HN58X24256F PIE SOP8 10 1 17 8 7030005050 ERJ2GEJ 103 X 10 k 33 8 31 2 1130011760 CD4094BPWR 40 6 36 3 7030005530 ERJ2GEJ 100 0 38 5 18 4 1130013240 TC75S51FU TE85L F 6 2 21 3 7030005160 ERJ2GEJ 105 M 38 5 20 1 7030008010 ERJ2GEJ 123 37 6 19 3 7030008010 ERJ2GEJ 123 38 4 25 8 1550000090 RSQO035POSTR 36 3 43 7 7030008010 ERJ2GEJ 123 37 2 20 5 1590003800 KTC811U GR RTK P 35 39 6 7030005050 ERJ2GEJ 103 11 3 22 8 1590003790 S KRC404E RTK P 20 9 50 7 7030005050 ERJ2GEJ 103 11 9 21 9 1590003780 KRA304E RTK P 42 31 3 7030005090 ERJ2GEJ 104 29 21 1 1590003790 KRC404E RTK P 26 39 2 7030005090 ERJ2GEJ 104 X 28
59. filtered RX signals are applied to the 1st mixer to be converted into the 1st IF signal by being mixed with the 1st Local Oscillator LO signals 1stLO from the RX VCO via the LPF 1ST IF CIRCUITS R172 Ke R174 While transmitting serial connected PIN diodes are ON thus the TX line is connected to the antenna and the RX line is connected to the GND simultaneously to prevent TX signal entering The limitter protects RX line from over level RF inputs and the BEF trap damps unwanted signals to GND The tuned BPF is adjusted so that it responds to receiving frequency and rejects all others by the variable capacitor whose capacitance is varied by added voltage T1 and T2 The RF AMP amplifies RX signals to a level suited to the 1st mixer AGC LINE To TX AMP Two staged TUNED LIMITTER The converted 1st IF signal is passed through the 1st IF filter to be removed unwanted signals The filtered 1st IF signal is applied to the 1st IF AMP via the limitter The amplified 1st IF signal is then applied to the 2nd IF circuits 1st IF FILETR 1stiFl LIMITTER 2ND IF AND FM DEMODULATOR CIRCUITS The 2nd IF circuits consist of 2nd mixer 2nd IF filter 2nd IF amplifier And it converts the 1st IF signal into the 2nd IF signal then filters to remove unwanted signals and amplifies IF IC TA31136FNG contains whole
60. in proportion to the RX signal level is applied to the gate terminal of AGC line driver The driver controls the voltage which supplied to the RF AMP to control the gain of RF AMP AGC CIRCUIT AGC LINE Two staged TUNED Voltage from the battery pack is routed to whole of the transceiver via switches and regulators Q23 Q24 Q25 REG FRONT UNIT x gt amp E lt a 3 4 R601 VR UNIT MAIN UNIT FRONT UNIT Pre drive AMP 09 APC AMP IC2 etc S5 R RSV gt IF IC 1st IF AMP 04 1st mixer 03 RF AMP Q2 etc S5V PLL IC IC4 VCOs etc 35V gt Base band IC IC10 DAC IC6 etc CPU 1 401 EEPROM 1C409 expander IC410 4 6 CPU F 401 PORT ALLOCATION Line SEG23 13 LCD segment ports 15 26 SO Serial data to DAC M IC6 and audio strage IC M IC18 Serial clock to DAC M IC6 and audio strage IC M IC18 28 Data for baseband IC M IC10 to the baseband IC M IC10 Chip select signal to the Voice strage M IC18 PLST Strobe signal to the PLL IC 1 4 SDA Serial data to DAC and voice strage M IC 18 Serial clock to DAC M IC6 and voice strage IC M IC18 INT Interupt signal to voice strage IC M C18
61. ion 1 kHz Deviation 3 5 kHz Level 20 dBu 5 10 5 4 RECEIVE ADJUSTMENT continued Select an adjustment item using 1 7 keys then set to the specified value using lt gt keys on the connected PC s keyboard ADJUSTMENT ADJUST ITEM ADJUSTMENT CONDITION OPERATION VALUE S METER NOTE RECEIVE SENSITIVITY must be adjusted before S METER Otherwise S METER will not S METER be adjusted properly S6 LEVEL Channel 1 14 Push the return key to set the S6 Automatic Connect a Standard Signal Generator to the level adjustment antenna connector Set the SSG output level to 13 94 dBm Receiving S METER Set the SSG output level to 12 dBu 119 dBm Push the return key to set the S1 S1 LEVEL Receiving level STANDARD SIGNAL GENERATOR 1 300 MHz SETTING Modulation 1 kHz Deviation 3 5 kHz Level 13 dBp S6 level 12 dBy S1 level CAUTION DO NOT transmit while an SSG is connected to the antenna connector 5 11 5 4 RECEIVE ADJUSTMENT continued Select an adjustment item using 1 4 keys then set to the specified value using lt gt keys on the connected PC s keyboard ADJUSTMENT ADJUST ITEM ADJUSTMENT CONDITION OPERATION VALUE Channel 1 15 Set the SQL value to close Connect a Standard Signal Generator to the squelch Then set SQL antenna connector value at the point wher
62. mute SW as same as NOISE SQUELCH The MIC signals from the external microphone are applied to the FRONT UNIT via SP MIC jack and amplified by MIC AMP 2 The amplified MIC signals MIC are applied to the MAIN UNIT via J401 FRONT UNIT and J1 MAIN UNIT The MIC signals from the FRONT UNIT are applied to the baseband IC 10 pin 3 and processed MIC AF MUTE SW 4 S 9401 0402 AF POWER AMP CONTROLLER The applied MIC signals are amplified at the amplifier TXA1 and level adjusted at the volume controller VR1 The level adjusted MIC signals are applied bypassed the compressor section pre emphasis section TX RX HPF de scrambler limiter splatter in sequence then applied to another volume controller The compressor compresses the MIC signals to provide high S N ratio for receive side and the pre emphasis obtains 6 dB oct audio characteristics The TX RX HPF filters out 250 Hz and lower audio signals the limiter limits its level and the splatter filters out 3 kHz and higher audio signals The filtered MIC signals are level adjusted at another volume controller VR2 and then output from pin 7 via smoothing filter SMF The output MIC signals are passed through the FM PM SW 11 pins 6 1 and LPF IC5 pins 2 1 then applied to the DAC D A Conve
63. plifier section and level adjusted at the volume controller section then suppressed unwanted 3 kHz and higher audio signals at LPF The filtered AF signals are applied bypassed the TX RX HPF scrambler de emphasis sections in sequence BASE BAND IC BLOCK DIAGRAM FILOUT NOISE 5 FILTER FILIN TA31136FNG R45 The TX RX HPF filters out 250 Hz and lower audio signals and the de emphasis circuit obtains 6 dB oct of audio characteristics The expander expands the compressed audio signals and also noise reduction function is provided The AF signals are then level adjusted at the volume controller section and amplified at the amplifier section then output from pin 20 10 The processed AF signals from the base band IC IC10 are applied to the FRONT UNIT via J1 MAIN and J401 FRONT The AF signals from the MAIN UNIT SIGNAL are passed through the AF mute SW LPF and variable register VR UNIT for audio level adjustment then applied to the AF power AMP The amplified AF signals AFO are applied to the internal speaker or external speaker via the SP MIC jack MP701 CHASSIS BASE BAND IC IC10 TXIN VR1 Com Pre pressor emphasis Xo Limiter NGA splatter VR2 SMF MOD
64. put power from high middle and low power A portion of the TX signal is rectified by the power detector to be converted into DC voltage which is in proportion to the transmit output power level The detected voltage is applied to the comparator The transmit power setting voltage is ap plied to another input terminal as the reference voltage The comparator compares the detected voltage and refer ence voltage and the difference of voltage is output The output voltage controls the bias of the TX amplifiers to re duce increase the gain of these amplifiers for stable transmit output power The change of transmit power is carried out by changing reference voltage COMPARATOR 4 3 FREQUENCY SYNTHESIZER CIRCUITS VCOs A VCO is an oscillator which its oscillation frequency is determined by the applied voltage This transceiver has two VCOs RX VCO and TX VCO The RX VCO generates the 1st LO signals for the 1st IF produce and TX VCO generates TX signal The VCO SW toggles these VCOs RX VCO The RX VCO oscillates 89 65 to 127 65 MHz LO signals The generated 1st LO signals are applied to the 1st mixer Q3 via two buffers Q12 and Q10 and LPF TX VCO The TX VCO oscillates 136 to 174 MHz TX signal The generated TX signal is applied to the pre driver one of TX AMPs via the TX RX SW A portion of the VCO output is applied to the PLL IC via the
65. re provided on the inside back cover for your convenience REPAIR NOTES Make sure the problem is internal before disassembling the transceiver DO NOT open the transceiver until the transceiver is disconnected from its power source DO NOT force any of the variable components Turn them slowly and smoothly DO NOT short any circuits or electronic parts insulated tuning tool MUST be used for all adjustments DO NOT keep power ON for a long time when the transceiver is defective DO NOT transmit power into a Standard Signal Generator or a Sweep Generator ALWAYS connect a 50 dB to 60 dB attenuator between the transceiver and a Deviation Meter or Spectrum Analyzer when using such test equipment READ the instructions of test equipment throughly before connecting a test equipment to the transceiver Icom Icom Inc and logo registered trademarks of Icom Incorporated Japan the United States the United Kingdom Germany France Spain Russia and or other countries CONTENTS SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION 4 1 4 2 4 3 4 4 4 5 4 6 5 1 5 2 5 3 5 4 10 SPECIFICATIONS INSIDE VIEWS DISASSEMBLY INSTRUCTIONS CIRCUIT DESCRIPITON RECEIVER CIRCUITS tior aoe Boe NO 4 1 TRANSMITTER CIRGOULTS ok se m cyan ee ee d 4 3 FREQUENCY SYNTHESIZ
66. rter IC6 pin 4 and level adjusted deviation adjustment The level adjusted MIC siganls are output from pin 3 then applied to the modulation circuit as the modulation signals MOD via buffer 5 pins 6 7 MODULATION CIRCUIT The modulation circuit FM modulates the VCO oscillating signal with the modulation signals from the TX AF circuits VOICE SIGNAL The buffer amplified AF signals are applied to the variable capacitor VD to change its reactance for FM modulation TONE SIGNALS Tone signals are generated in the CPU and applied to the both of the VCO and reference frequency oscillator to be modulated e MODULATION CIRCUIT AND TX RX VCOs lt CTCSS DTCS gt CTCSS DTCS signals CENO CEN2 are generated by the CPU F 401 pins 79 81 and converted its wave form by R461 R463 F then passed through the LPF F 403 pins 3 1 The filtered CTCSS DTCS signals are then level adjusted by DAC M IC6 pins 9 10 and applied to the AF mixer M IC5 2 to be mixed with MIC signals then applied to the TX VCO as the modulation signals The CTCSS DTCS signals are also applied to the reference signal oscillator M X2 too the buffer M IC 16 pins 2 1 2 5 TONE DTMF gt 2 5 tone DTMF signals are generated by the CPU 401 pins 72 75 and converted its wave form by R471 R474 F then passed through the two staged LPF F 403 pins 5 7
67. t output Set to the square wave form Flat 5 3 TRANSMIT ADJUSTMENT continued Select an adjustment item using 1 keys then set to the specified value using lt gt keys on the connected PC s keyboard ADJUSTMENT ADJUST ITEM ADJUSTMENT CONDITION OPERATION CTCSS DTCS DEVIATION CTCSS DTCS SETTING HPF LPF De emphasis Detector Channel 1 12 Connect a Modulation Analyzer 0 66 to 0 70 kHz No audio signals are applied to the JIG cable to the antenna connector through Transmitting an Attenuator MODULATION ANALYZER 0 1 300 MHz OFF 20 kHz OFF P P 2 ATTENUATOR 30 dB 10 W 5 4 RECEIVE ADJUSTMENT Select an adjustment item using 1 keys then set to the specified value using lt gt keys on the connected PC s keyboard ADJUSTMENT ADJUST ITEM ADJUSTMENT CONDITION OPERATION RECEIVE Channel 1 13 Put the cursor the BPF T1 Automatic SENSITIVITY Connect a Standard Signal Generator to the and push the return key adjustment BPF T1 antenna connector Receiving BPF T2 Put the cursor on the BPF T2 and push the return key CONVENIENT RECEIVE SENSITIVITY can be adjusted totally Put the cursor on the BPF ALL and push the return key STANDARD SIGNAL GENERATOR 1 300 MHz CAUTION DO NOT transmit while an SSG is connected to the antenna connector SETTING Modulat
68. the resonator of VCO the capasitance of VDs changes corresponding to the applied lock voltage This causes the change of resonation frequency that determines the VCO oscillating frequency to keep the VCO frequency constant When the oscillation frequency drifts its phase changes from that of the reference frequency causing a lock voltage change to compensate for the drift in the VCO oscillating frequency RX VCO i Ms C127 126 C126 1 0 L PLL IC MB15A02PFVl CLOCK DATA from VCO 4 4 OTHER CIRCUITS VIBERATION MOTOR CIRCUIT except A D G J MF1 is a vibration motor When the matched RX code signal is received MF1 rotates to produce viberation In vibration mode and when the transceiver is called VIB signal from the expander IC12 pin 6 turns to High VCC level and motor driver Q30 Q31 is activated to rotate the vibration motor MF1 MOTOR DRIVER 4 5 VOLTAGE BLOCK DIAGRAM AGC Automatic Gain Controller CIRCUIT The AGC circuit effectively reduces the RX signal level if the signal is strong and raises it when it is weaker The AGC circuit detects the overall strength of the signal and automatically adjusting the gain of the RF AMP to maintain an approximately constant average level of the received signals RSSI signal which is
69. y 4030018910 5 C1608 JB 0J 475K T 24 8 2 9 4030017460 S ECJOEB1E102K 4030018860 S ECJOEBOJ105K 30 17 4 4030016970 S ECJOEB1C223K 13 7 21 7 4030016940 S ECJOEB1A393K 8 2 22 6 6510026130 S IMSA 96819 36Y900 7 6 30 7 4030016790 5 ECJOEB1C103K 9 27 1 6510021901 S BM02B ASRS TF 4030016930 S ECJ0EB1A104K 5 7 23 6 B H E I F L only 2 5 33 2 4030017460 5 ECJOEB1E102K 2 5 29 7 4030016790 S ECJOEB1C103K 31 6 12 8 4030017460 5 ECJOEB1E102K 24 3 14 7 5210000830 5 77 4 24 9 4030016930 S ECJOEB1A104K 30 4 7 2 4030017460 5 ECJOEB1E102K 67 6 25 6 4030016790 S ECJOEB1C103K 51 9 34 4 2260002750 S EVQP7MO1K 81 2 24 4030016790 S ECJOEB1C103K 30 1 41 4550006350 S TEESVB2 1A 226M8R 67 3 27 2 4030017730 S ECJOEB1E471K 69 8 29 8 2710000850 QX10A 5 5 3 3 0V 4030016790 S ECJOEB1C103K 66 4 31 4 H E C 1 F L only 4510008490 S EEE1CS100SR 74 1 20 4030016790 S ECJOEB1C103K 76 29 9 4550005980 5 TEESVA 1A 475M8R 66 7 35 3 6910015370 S BEA ACZ1005Y 102 T 45 7 23 4030017330 S ECJOEF1C104Z 68 6 33 4 6910012350 S BEA MMZ1608Y 102BT 66 4 24 6 LOCATION 32 6 12 3 50 1 37 7 33 7 36 6 30 4 10 4 16 4 30 1 13 6 29 21 5 29 8 20 3 30 1 19 4 30 1 18 5 30 1 24 8 22 8 27 2 22 7 16 6 20 4 17 8 18 6 22 2 13 1 13 1 24 3 2 8 35 2 9 2 30 6 23 9 28 7 26 20 9 22 5 19 3 13 1 26 6 12 8 25 9 26 8 26 7 24 7 26 2 25 6 17 6 26 9 19 5 26 4 33
70. ze FI2 CFWKA450KFFA 1 bo CDBKB450KCAY24 OSCIN OSCOUT M IXOUT vcc IFIN DEC FILOUT FILIN TA31136FNG TX 0 00V 100P c62 82P SN VO MU sc4215 0 00 10 3 RX 4 78V IF AMP 0 001 c329 1 c58 R33 0 001 150 H c53 0 01 R32 c51 100 0 001 03 35K324 40 HVC350B 35 293 0 001 47 RF AMP TX 0 00V 92 1 2 9 AGC R174 MA2S111 HVC375B J1 CHASSIS LPF 27 2N Ll 15 307 TX 0 00V 25077 06 503040 MA28728 154307 22 Refer to PARTS LIST Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan Phone 81 06 6793 5302 Fax 81 06 6793 0013 URL http www icom co jp world index html Icom America Inc Corporate Headquarters 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 1 425 454 8155 Fax 1 425 454 1509 URL http www icomamerica com E mail sales 9 icomamerica com Customer Service Phone 1 425 454 7619 Icom Canada Glenwood Centre 150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 1 604 952 4266 Fax 1 604 952 0090 URL http www icomcanada com E mail info icomcanada com Icom Australia Pty Ltd Unit
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