IC-F4GT/GS Service manual - R
Contents
1.2.
3. R5 12 GND c 2 82 ss 11 __ CPUS c o S 10 2 22 vec vec vec 9 OPTI to Optional unit 23 DISCIN Q15 R97 R115 2581132 R 8 220 k 120 k Tx 2 20 V 24 __RXMUTE RMUTE AW Rac O 90 V AFON 3 96 S Zx MOWN C212 R98 ish 25 aia 0 01 180k Tao 6 BUSY 470 14 1 26 AFONOP T Ria of 5 AUX oll CONT A HS R44 R169 9213 8107 33k 9 27 MICMUTE BUSY MMUTE Q1
4. AFOUT DISCIN AFOUT VCC DISCIN AFOUT T5 DISCIN VCC J5 S5 T5 vec RE 55 ss 15 S 18 a CPUS s 1 1 5 BS CPUS 17 Sl CPUS 5 S5 55 R473 150 mv t S 14 CPUS CPUS W10 47 2GE X4 CR 662 _ 150 mVp p Q11 18 SO o I vcc vcoN XP6501 AB 13 __ 3 g O 19 R5 1C13 OUT GND PENY 2 12 GND t1 R5 R51 75501 J C J ANN 20 CCS S5 470k 1 0495 c o 11 OPTS CPUS s MW T i 21 REM Tx 2 29 V 10 2 E ah Rx 2 25 V Q8 22 vec 1k T 25 5085 C491 cate s vec C496 C560 L 1 6P ete C671 to Optional unit 23 DISCIN Tx 2 19 V 5 Vp p 0 0047 47 T 47 470P 0001 I O 8 SIGOUT ae Rx 2 20 V 1 kHz 1 5 kHz Q15 AF min 7 23 V IC5 AFON m DEAL C63 T W N 4 15 V 24 __RXMUTE RMUTE io R97 R115 2SB1132 R max TA7368F 331V ms J 10P C410 C573 7 MOWN 220k 1 C72 C234 CP1 47 257 BEEPOUT Em PHN Tx 2 20 V 36 V 2 47 100K 1 0 001 LV check ponit c o 6 BUSY C554 me 0 01 180k Rx 2 21 V m 4 99 V pr eum 07 26 470 P 0 1 Q16 T vo
5. LAdO AIS IS OS EI 2140 599 2140 Wad 3 LNOAV LAODIS NIOSIQ INOO NOILdO z NMON 310WXH ASNE DE 2990 dONOdV E Eq _ w 3 LQINOIIN 2 144 ao S 6220 AS ga a 273 NILLd 19 28 m nea 8022 z SI SH zig 7550 2 LI 5 8 878 ic Eg 9619 15 n n tH D 8 LS E T 0028 6018 SERA 8618 6004 0909 613 8 i 522 Z 5124 Te amp 18 2552 S Ow tu HE S 296 O Sm bg E 2522 S Oj O 5 2222 8722 2614 u S 2 0618 99 Sm 960 6024 8028 5 te 0099 Af H 291 B 4 we x za 8 uu GLO 8 In 824 9713 9 e E EM f 0 5 geo E uy S Nm uu Te 5 amp 5 5 pe ic S re J 223 024 g fosto a 07 E 6120
6. Lu Term Low pass filter circuit SECTION3 DISASSEMBLY AND OPTION INSTRUCTIONS 3 1 DISASSEMBLY INSTRUCTION REMOVING THE CHASSIS PANEL CD Unscrew 1 nut and remove 1 knob B 2 Unscrew 2 screws 3 Take off the chassis in the direction of the arrow 4 Unplug J6 to separate front panel and chassis O nickel 2 mm x 2 Chassis Front panel REMOVING THE MAIN UNIT D Remove the searing rubber 2 Unsolder 3 points and unscrew 1 nut 3 Unscrew 3 screws and 6 screws silver 2 mm to separate the chassis and the MAIN unit 4 Take off the MAIN unit in the direction of the arrow silver 2 mm x 6 Shield cover Sealing rubber Chassis 3 2 OPTIONAL UNIT INSTALLATIONS Remove the option cover 2 Remove the bottom protective paper of spoge 3 Connect one of UT 96 UT 105 UT 108 UT 109 UT 110 UT 111 and UT 113 optional units to J5 4 Replace the option cover to the chassis hole Option cover SPONGE J5 Parts name 1556 sponge Order No 8930013545 SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS 4 1 1 ANTENNA SWITCHING CIRCUIT The antenna switching circuit functions as a low pass filter while receiving However its impedance becomes very high while D2 and D8 are turned ON Thus transmit signals are blocked from entering the receiver circuits The antenna switching circuit employs
7. r 1033 4 1032 RB706 F40 L 1 RB706 F40 77 Q1 25 2974 cays Q6 Q4 wit Q5 47 sy 25 51070 2SC51070 25 5107 R162 1k R458 C13 lcs qum pue 0 001 m DTA144EU S5 R500 100 k C12 T 0 001 cal T W R208 C229 R209 C211 8501 100 k you 100 k 47 18k 470 PT S5 S5 R5 R5 o V R244 1V 100k je mz pu wis 1k Tx 0 00 C555 R448 0455 Res R69 ciis Fic 1 45 V R84 C501 10 47 I Rx 2 98 V 5P 12 10 P 10k C107 R464 C106 RA TUM IC2 0 001 T t 1 12 SFPC450G TA31136FN D 16 450 24 OSCOUT GND HS R518 N RECH 1k Gs VEN wet 100 P R253 mo DEC IFOUT 470 Q13 w FILOUT QUAD 109 R262 3SK239A FILIN AFOUT 0 001 1 C450 T5P C73 C574 R524 NTCCM1608 223KC 8 w L 9 F R447 R449 C90 8 2 nH C403 470 470 0 001 C404 47P 0 001 Tx 0 05 V 64 V L20 T 0 82 H C98 C97 C94 22P 6 05P eet E D12 D11 HVU350 HVU350 T 7 d R66 R64 1 m 150 220k 77 m 220 HP R55 IC3A 7 R75 C104 C105 R72 C92 1402 C87 C88 R59 R252 117 86 C85 C78 DB _ C52 D2 C76
8. ERJ3GEYJ 330 V 33 0 ERJ3GEYJ 100 V 10 0 ERJ3GEYJ 104 V 100 ERJ3GEYJ 471 V 470 ERJ3GEYJ 471 V 470 ERJSGEYJ 4R7 V 4 7 Q 222 V 2 2 ERJ3GEYJ 103 V 10 ERJ3GEYJ 101 V 100 0 ERJ3GEYJ 101 V 472 V 4 7 ERJ3GEYJ 104 V 100 ERJSGEYJ 472 V 4 7 ERJ2GEJ 101 X 100 Q TP76NOON 15F 10KA 2251 ERJ3GEYJ 333 V 33 105 V 1 ERJ3GEYJ 123 V 12 ERJ3GEYJ 123 V 12 ERJ3GEYJ 473 V 47 ERJ3GEYJ 471 V 470 ERJ2GEJ 474 X 470 kQ ERJ2GEJ 474 X 470 kQ ERJ2GEJ 474 X 470 kQ 101 V 100 0 104 V 100 101 V 100 0 ERJ3GEYJ 102 V 1 ERJ3GEYJ 102 V 1 ERJ3GEYJ 103 V 10 ERJ2GEJ 124 X 120 F4GT only ERJ2GEJ 124 X 120 kQ F4GS only 103 V 10 ERJSGEYJ 103 V 10 7030003560 7030003640 7030003580 7030003510 7030003440 7030005340 7030005870 7510001280 7030005050 7030005120 7030005240 7030003600 7030003600 7030003600 7030003680 7030003680 7030003680 7030003680 7030003720 7030003590 7030003640 7030003640 7030005240 7030003640 7030003500 7030003460 7030003640 7030003680 7030003680 7030003480 7030003690 7030003660 7030003400 7030005870 7030005870 7030003690 7030003690 7030003740 7030003750 7030005310 7030003610 7030003680 7410000950 7030005240 7030003560 7030
9. Ce C55 C572 0 001 0 01 47P VOLOUT SR LVIN lt lt E 2 1 4 052 ES LNJ310M6URA CTCIN REMO 9 6334 3 8585 alo 2015915 Light ON R223 DS3 TEMPS uiti tn cco co a 146V 120k LNJ310M6URA 5 90 9 0 9 9 Ol 6P lel s eo e ele co ta fon X 5 5 838 Es S E DEV S5 z922995550z02d0295 9939920 025 1 222220gs0000002090090909099 2SC4116 GR 1 5995 99526500 lt 9415100 Tx 0 00 V lt gt Gu gg 2 0 0000000 R89 C501 R84 Rx 3 50 V 47 Tx 0 00 V 12k 10 Rx 4 81 oo09986586058 8155 od R228 100 10k R85 R225 Tob LI3 665 VIN 1 75 100 SEG12 b TUH ap 3P 2 P97 SEG40 75 SE s 5 58 P96 SEG39 H SEGIT Fl2 SFPC450G TA31136 P95 8EG38 72 SEG9 L25 o OSCIN Xi Pos SEQ3e 71 SEGB 0 82 H 21 OSCOUT 6 vss P92 SEG35 70 SEGG 3 MIXOUT XIN 7 eet Po SEGA 69 SEG5 25 4116 GR 053 _ XOUT 8 68 SEGA 15 7P IFIN 0562 P90 SEG33 RESET P87 SEG32 67 SEG3 SQLIN 7 P86 SEG31 66 SEG2 NW FILOUT CSET 1 C8 P85 SEG30 65 R88 C121 SCK 12 HD6433876B34H 64 SEG7 33k 220P E 12 P21 SCK1 P84 SEG29 54 UNLK t S543 P22 SH P83 SEG28 63 4 eU
10. 14 t w R R126 1 20 Q34 5 AUX 2 3 114 XP6501 AB R526 VCCI 1 do 27 MICMUTE MMUTE S Q17 RA C200 257 3 j gt T nA 3k 13 Bio 4 19 PLST NL IN2 9 2SK880 Y 0022 1 _ 4 f VCC2 MEN an 1k 0 047 mu AW RW t Ri27 Emus SKK RSET Ty lt 5 26 33 10 AW DATA xi vcc of 3 MICOUT lt CONT C on ns C214 R113 DAN202K 6 15 VCC 29 5V D m VEE vo 0 033 68 UNLK R529 1k ca 0 1 c tk IC3D ele AW LOK GND2L2 9 C424 C426 T5 2 lg IC4 a w NJM3403AV I m one c g 5085 L 0001 t t 15 42 NEL HEX o L Fm we L PU 4066BCFV To s TE C136 1159 C137 E 4 4 E Fo2 X 3p 03 T leon L C562 C147C154 R130 R137 C672 0 00567 0 033 cio cisci e ATP T4 100 uP 100 i0 4 0 047 9 90 C422 R15 Bine 4 t Jr ANN R100 C129 R145 C139 R121 C140 145 C146 X PD3140GS T oar 1 T t 10k 10 C20 R160 VOLIN R104 100 k VOLIN 22k 15 1M 01 1k 0 1 33k 10 022 Lo 4 6472 Tx 4 53 V T 0 001 Tx 100 C223 C224 VOLOUT VOLOUT t VOLIN 55 C572 C54 dr 1407 1406 Tx 3 64 V Rx 0 19 V L26 nr x 1 81 V 0 01 0 01 AFOUT VOLOUT VOLOUT 001 47P 0
11. R195 R196 SEGI3 19 SEG12 D30458 00 pa WR 9 d Wr DTC144EU e bs H S1 21 SEG15 19 JPM1990 2013R 0 01 0 039 0225 Q33 47 k mo m SEG16 20 SEG15 6199 R246 R245 SEG16 DTC144EU 0 1 C564 SEG17 21 SEG 484V Aus 100k 100k 47P SEG18 22 17 LCD HOLDER E E SEGIS 23 56618 o SEG20 24 BDET BDET Hz CTCSS 0 35 kHz 3 7 V P P DTCS 2222 SEGA 25 5020 IC F4GT SEG22 26 SEG22 R531 COMI 27 S IC F4GS 29 COM3 9998 COM4 30 Icom Inc 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan Phone 06 6793 5302 Fax 06 6793 0013 Icom America Inc Icom Europe GmbH Corporate Headquarters Communication Equipment 2380 116th Avenue N E Bellevue WA 98004 U S A Himmelgeister Str 100 D 40225 D sseldorf Germany Phone 425 454 8155 Fax 425 454 1509 Phone 0211 346047 Fax 0211 333639 URL http www icomamerica com URL _ http www icomeurope com lt Customer Service gt Phone 425 454 7619 Icom Spain S L Crta de Gracia a Manresa Km 14 750 Icom Canada 08190 Sant Cugat del Valles Barcelona SPAIN 3071 5 Road Unit 9 Richmond B C V6X 2T4 Canada Phone 93 590 26 70 Fax 93 589 04 46 Phone 604 273 7400 Fax 604 273 1900 URL http www icomspain com URL http www icomcanada com Icom UK Ltd Icom Australia Pty Ltd UK Unit 9 Sea St
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13. 14 2 p 5 4 MP36 C MP25 C 5 C MP38 C SECTION 8 e IRANSISTOR AND FET S 2SA1577 Q Symbol HQ B 2SB1132 R Symbol BARB B 25812015 Symbol B1201 SEMI CONDUCTOR INFORMATION 2SC2712 GR Symbol LG TA 2SC3585 R44 Symbol R44 B 2SC411 Symbol B E 2SC4215 Symbol QO B 2SC5085 Y Symbol MCY Af 2SC5107 O Symbol MFO 2SJ364 Q Symbol 4MQ S 2SK2973 Symbol K1 2SK2974 Symbol K2974 G top view 2SK880 Y Symbol XY s 3SK239 A Symbol XR D DTA144 EU Symbol B DTC144 EE Symbol B DTC144 EU Symbol 26 B lA DTC144 TU Symbol 06 B RN1409 Symbol XJ RN2402 Symbol B UN911H Symbol B e DIODES 155184 Symbol B3 A1 XP1214 Symb
14. pulse type signals at the noise com parator section The NOIS signal is applied to the CPU IC8 pin 19 The CPU detects the receiving signal strength from the number of the pulses and outputs an RMUT signal from pin 49 This signal controls the mute switch IC4 pin 13 to cut the AF signal line 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUIT The microphone amplifier circuit amplifies audio signals with 6 dB octave pre emphasis characteristics from the micro phone to a level needed for the modulation circuit APC CIRCUIT VCCO The AF signals from the microphone are applied to the microphone amplifier circuit IC3c pin 10 The amplified AF signals are passed through the low pass filter circuit IC3d pins 13 14 via the mute switch IC4 pins 4 3 The filtered AF signals are applied to the modulator circuit after being passed through the mute switch 124 pins 9 8 4 2 2 MODULATION CIRCUIT The modulation circuit modulates the VCO oscillating signal RF signal using the microphone audio signal The audio signals change the reactance of a diode D404 to modulate an oscillated signal at the VCO circuit Q7 Q8 The oscillated signal is amplified at the buffer amplifiers Q4 Q6 then applied to the T R switching circuit D3 D4 4 2 3 DRIVE POWER AMPLIFIER CIRCUITS The signal from the VCO circuit passes through the T R switching circuit D3 and is amplified at the buffer Q403 Q3
15. z xl 7 C244 C565 E IC11 n TP76NOON 15F 10KA 2251 I i Ris4 A165 001 4813 S 80942ANMP DD6 Zo Beane G C230 C144 VOL PWR R520330 vououT C162 47 C159 C160 C236 85 u gt 0022 0 001 470 P 12k AVSS SWITCH 7S4 0 01 470P 0 01 TEST 1 R521330 VOLIN x2 n n CPUS a a o o z lt x m z 9 lt x OSC1 C282 gt D 0 IC7 OSC2 0001 P Sua i 5 HN58X2432TI RES I 100 5 8 W NMI IC8 I P20 IRQ4 ADTRG R219 we NV P21 SCK1 HD64 120k 50 2 55 ANN 22 911 m m SDA VSS Ww l P23 SO1 EP10 R213 oot T To Mig EXT MIC E3 MIC Q 2 59 V 470 P26 TXD T 2SC4116 GR TE Is I P27 IRQO EP 8174 2 s2 AN P17 IRQS TMIF 15k UP JPM1990 2013R xW P16 IRQ2 D27 5 2 m M Ww P15 RO1 C165 720 mVp W P14 AFour 900 RB706F 40 14 S 4 4 5 pm P13 TMIG 1 1 5 r 4 P12 TMOFH NAN R532 P11 TMOFL EXT SP MAT M 568 Q31 WwW t 090 DTC144TU M 2 3225218 R238 Tx 3 46 V 666 6xxx 1k NJM2904V Rx 1 52 V E 0000333 Ocoqd oorzq IC12B DEEEEEDD DELE 199 NJM2904V C250 Eo os T Fon Fa TaN Fp ers 47k R235 9588898 588 25 4116 GR 5 680 k CONT R203 R202 R227 CTCSS 3 Vp p R243 R242 R241 47k 47k 47k 1 1M 1M C228 C227 219 i 820 0 1 0 0082 I L442 ANV N W 0 1 H R194 R196 R193 100 k 100k 038 100 k T
16. Connect an RF power meter to the antenna connector 4 0W FM DEVIATION MOD Operating frequency 440 000 MHz High Low switch Low Connect the audio generator to the MIC jack and set as 1 0 kHz 150 mVrms Set the FM deviation meter as HPF OFF LPF 20 kHz De emphasis OFF Detector P P 2 Transmitting Connect an FM deviation meter to the antenna connector through the attenuator 2 0 kHz DTCS WAVE FORM DTCS BAL Operating frequency 470 000 MHz High Low switch Low No audio applied to the MIC jack DTCS code 007 Transmitting Connect an FM deviation meter with an oscilloscope to the antenna connector through an attenuator Set to flat wave form SOFTWARE ADJUSTMENT continued Select an operation using keys then set specified value using lt gt keys on the connected computer keyboard ADJUSTMENT ADJUSTMENT CONDITION RX SENSITIVITY BPF T1 BPF T4 MEASUREMENT Operating frequency 440 000 MHz Connect a standard signal generator panel the antenna connector and set as Frequency 440 000 MHz Level 10 uV 87 dBm Modulation 1 kHz Deviation 1 75 kHz Receiving LOCATION Connect a SINAD meter with an 8 Q load to the SP jack Minimum distortion level CONVENIENT The BPF 4 be adjusted automatically D 1 Set the cursol to BPF ALL on
17. Output TX mute control signal Input port for the TX mute signal from optional units Outputs low pass filter cut off frequen cy control signal when DTCS is acti vated Outputs S5 regulator control signal Low While power is ON Outputs R5 regulator control signal Low While receiving Outputs T5 regulator control signal Low While transmitting Outputs APC circuit control signal High While transmitting Outputs control signal for the regulator circuit of AF power amplifier High When squelch is open etc Outputs LCD backlight control signal High Lights ON Outputs EEPROM IC7 pin 6 clock signal I O port for data signals from to EEP ROM IC7 pin 5 CPU IC8 continued Pin number Description Input port for unlock signal High PLL is unlocked Output port for Beep audio while receiving 2 5 tone signals while transmitting Outputs DTMF tone signal while trans mitting CTCSS DTCS signals input port for decording Input port for the PTT switch High While PTT switch is pushed Input port for the battery s type detec tion Input port for the remote control signal from external MIC HM 75 Input port for the RSSI detection Input port for the PLL lock voltage Input port for the transceiver s internal temperature detection 4 5 2 OUTPUT EXPANDER IC IC10 Description Output tunable band
18. PLL ADJUSTMENT 5 2 PLL ADJUSTMENT MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITIONS UNIT LOCATION UNIT ADJUST Operating frequency 440 000 MHz Connect a digital multi Receiving meter to check point Transmitting cd Operating frequency 470 000 MHz Receiving Transmitting MAIN unit RF power meter L405 L11 PLL lock voltage adjustment LV PLL lock voltage check point Bottom view 5 3 SOFTWARE ADJUSTMENT Select an operation using 1 keys then set specified value using lt gt keys on the connected computer keyboard ADJUSTMENT REFERENCE FREQUENCY TXF ADJUSTMENT CONDITION Operating frequency 440 000 MHz High Low switch Low Connect the RF power meter or 50 dummy load to the antenna connector Transmitting MEASUREMENT LOCATION Loosely couple a frequnecy counter to the antenna connec tor 440 0000 MHz OUTPUT POWER POWER LO Operating frequency 470 000 MHz High Low switch Low Transmitting POWER HI High Low switch High Transmitting
19. m ld 25 5085 n R413 47 C416 C671 AN 470P 0 001 i 4 45 v C413 C573 7P t 1 L404 C417 3 7550 1 6560 0 0047 _ _ _ 47 ur CP1 LV check ponit 4 99 V 25 880 Y ANN naag R414 R417 390 VCC VCC C424 C426 E t t 7 47 0 001 o 2 N pud LC471 47 z R445 m mss 220 mei R160 TREA Rx FO2 C418 C419 0 3 P bod 186 C233 47k 0 001 AP 1 R41 PD3140GS 1407 47 T C55 C572 C60 Tx 1 33 V 0 001 0 01 47P 77 ii M 0571 47 H 10 020 100 4 4 Tx 3 64 V C472 Rx L406 R23 R21 R19 Rx 0 19 V 3 68 V 100 5 100 Ne 21 8 9v L26 0 2 3225 C19 C21 C289 4 0 001 47 47P eo sz 3 Q401 C33 R22 C32 R20 319V co Ris XP1214 Q402 R14 5XP1214 DTC144EU 02 470 P 68 k 470 P 47k gt 4 19 C4865P d 27 nH C28 r 12 C30 R17 22P R465 47k 33 C443 W5 0 047 C22 C552 12P 0 001 D3 MAT Soe 0403 25 5107 0 n Tx 0 04 V nazis Rx 1 62V 10
20. pre drive Q2 and power amplifier Q1 to obtain 4 W of RF power at 7 2 V DC The amplified signal passes through the antenna switching circuit D1 and low pass fil ter and is then applied to the antenna connector The bias current of the pre drive Q2 and the power ampli fier Q1 is controlled by the APC circuit 4 2 5 APC CIRCUIT The APC circuit IC3a Q37 protects the drive and the power amplifiers from excessive current drive and selects HIGH or LOW output power The signal output from the power detector circuit D32 D33 is applied to the differential amplifier IC3a pin 2 and the T4 signal from the expander IC10 pin 11 controlled by the CPU IC8 is applied to the other input for reference Q1 Power to antenna amp RF signal from PLL Q2 Driver amp IC3a 7 control circuit Power detector circuit D32 D33 When the driving current is increased input voltage of the differential amplifier pin 2 will be increased In such cases the differential amplifier output voltage pin 1 is decreased to reduce the driving current 4 3 PLL CIRCUIT A PLL circuit provides stable oscillation of the transmit fre quency and receive 1st LO frequency The PLL output com pares the phase of the divided VCO frequency to the refer ence frequency The PLL output frequency is controlled by the divided ratio N data of a programmable divider The PLL circuit contains
21. D A 1C10 M62363FP 650C 4 CPU5 IC6 TK11250BM EXT MIC Q18 2881132 Y EE Q20 DTA144EU 5 JACK 77 42 REG a CPU CPUS 55 6 CONT SEC IC3B NJM3403AV 1 11 S 80942ANMP DD6 1C4 BU4066BCFV AF OUT Q31 DTC144TU 9 5 SP D27 RB706F 40 Q21 2SA1577 RESET rphhn CLONE ANALOG R5 REG SW lt 12 NJM2904V K F IC3C NJM3403AV IC3D NJM3404AV 7 L LPF CPU SP JACK Q22 2SA1577 Q IC8 HD6433876B34H LPF T5 REG 4 T5 Q35 2SC4116 GR CTCSS LPF q DICS X2 CR 663 036 2504116 GR BUFF MTONE POWER SW o e EEPROM 1C7 HN58X2432TI 4 COMMON LINE 1 RX LINE TX LINE 11 1 SECTION12 VOLTAGE DIAGRAM 13 c ott E AFOUT DISCIN DISCIN VCC VCC T5 S5 CPUS CPUS 16 SCK 22 15 __ 1 CPUS CPUS 17 S 14 __ 2 O O 18 50
22. Herne Bay Kent CT6 8LD U K A C N 006 092 575 Phone 01227 741741 Fax 01227 741742 290 294 Albert Street Brunswick Victoria 3056 Australia URL _ http www icomuk co uk Phone 03 9387 0666 Fax 03 9387 0022 URL 2 http Awww icom net au Icom France Sa Zac de la Plaine Rue Brindejonc des Moulinais Asia Icom Inc BP 5804 31505 Toulouse Cedex France 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C Phone 56136 0303 Fax 561 36 03 00 Phone 02 2559 1899 Fax 02 2559 1874 URL http www icom france com Count us Icom Inc S 13610IZ CD 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan 2000 Icom Inc
23. R87 SO T 5 23 501 P82 SEG27 CUR 22k P24 SCK3 PB1 SEG26 61 Ci22 CLIN 16 60 CTDAO 220P 47k gm 4 CLIN _ 16 p25 RXD P80 SEG25 offo 59 ESDA 05901 14 P77 SEG24 59 4 61 T Pa7 IRQO P76 SEG23 28 H DISC N NOIS 19 p17 RQ3 TMIF P75 SEG22 D 2015 uma P74 SEG21 8 2 Nw Me BUSY 21 55 P15 IRGT P73 SEG20 W R136 F DET SCS 22 coe P14 P72 SEG19 54 LAM zx ABOU 100 OPTI P13 TMIG P71 SEG18 53 AW OPT2 24 52 L2 QETE PI2 TMOFH P70 SEG17 52 P11 TMOFL P67 SEG16 R237 r gt lt u 1k le 7 7 eee xH 0000000 2 PQVSS eA oe OOK GSE M DUSE x REESE AW m 5 9099225222525000400 C1 RMUT scar 5 SB ou 829228598388G53533333 TT 2 SEG2 6 ROTE TESTS Se SSS aS Tk 5 03 H SEG3 R235 ASIF SECA 680 k CONT MMUT mE 9 SEG5 AW SEG6 10 SEG6 pa RMUT SEG7 11 E 2 SEGIO 14 SEG10 SEGT 15 SEG11 SEG12 16 sEG12 8196 SEGIS 17 SEG13 100k SEG14 1 SEG15 19 sEG15 m nr nr nr uS 5 SEG16 C199 R246 R245 C564 SEG17 0 1 100k 100k 47 P SEG18 22 SEG18 VCC T5 S5 CPU5 8473 X4 CR 662 150 I VCC VCON Q11 XP6501 AB R411 2 7k
24. S CERAMIC C1608 JB 1H 471K T A 4030013850 S CERAMIC ECUE1E102KBQ 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030016790 S CERAMIC ECJOEB1C103K 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030016790 S CERAMIC ECJOEB1C103K 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030013850 S CERAMIC ECUE1E102KBQ 4030013850 S CERAMIC ECUE1E102KBQ 4030011770 S CERAMIC C1608 CH 1H 060B T A 4030006860 S CERAMIC C1608 JB 1H 102K T A S Surface mount MAIN UNIT ORDER NO DESCRIPTION MAIN UNIT ORDER NO DESCRIPTION 4030006860 4030007090 4030006860 4030006860 4510004640 4510005430 4030006900 4030006990 4030007020 4030007080 4030006850 4030011600 4550006170 4030011600 4030008900 4030011600 4030006900 4030007090 4030006860 4030011600 4550006320 4030006900 4550006170 4030008900 4030011600 4030016930 4030016930 4030013850 4030009630 4030008910 4030011600 4030006900 4030006900 4030009880 4030011600 4030009490 4030006860 4030008880 4030008630 4030008630 4030013850 4030013850 4030006900 4030006860 4030006900 4030006900 4030006900 4030006900 4030006900 4030006860 4030006860 4030013850 4030006860 4030009650 4030006860 4030007090 4030016930 4030007090 4030006860 4030011770 4030006990 4030007090 4030007020 4030011770 4030011770 4030006980 4030009920 4030006850 4030009570 4030014290 4030009570 4030009990 4030006980 4030011770 4030007090 4030006860 4030009
25. S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ2GEJ 103 X 10 kQ ERJ2GEJ 102 X 1 kQ ERJ2GEJ 473 X 47 kQ ERJ3GEYJ 223 V 22 ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 223 V 22 kQ ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 V ERJ3GEYJ 104 V 100 ERJ3GEYJ 224 V 220 ERJ3GEYJ 183 V 18 ERJ3GEYJ 473 47 ERJ3GEYJ 473 47 ERJ2GEJ 473 X 47 kQ ERJ3GEYJ 473 47 ERJ3GEYJ 332 V 3 3 ERJ3GEYJ 152 V 1 5 ERJ3GEYJ 473 47 ERJ3GEYJ 104 V 100 ERJ3GEYJ 104 100 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 124 V 120 683 V 68 ERJ3GEYJ 471 V 470 RRO0816R 104 D 100 RRO0816R 104 D 100 ERJ3GEYJ 124 V 120 ERJ3GEYJ 124 V 120 ERJ3GEYJ 334 V 330 ERJ3GEYJ 394 V 390 ERJ2GEJ 124 X 120 ERJ3GEYJ 273 V 27 ERJ3GEYJ 104 V 100 EXB V8V 102JV ERJ2GEJ 473 X 47 ERJ3GEYJ 103 V 10 ERJ3GEYJ 184 V 180 563 V 56 223 V 22 EXB V8V 102JV 223 V 22 684 V 680 EXB V8V 102JV EXB V8V 102JV EXB V8V 102JV ERJ3GEYJ 102 V ERJ3GEYJ 102 V 1 1 ERJ3GEYJ 105 V 1 1 1 MQ 105 V 1 ERJ3GEYJ 105 V 1 ERJ2
26. X 1 4030014200 S CERAMIC ECUE1H101JCQ 7030003800 5 ERJSGEYJ 105 V 1 MQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003840 S RESISTOR ERJSGEYJ 225 V 2 2 MQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008680 S CERAMIC C2012 JF 1C 105Z T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030006980 S CERAMIC C1608 CH 1H 070D T A 4030007170 S CERAMIC C1608 CH 1H 221J T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030007170 S CERAMIC C1608 CH 1H 221J T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030013850 S CERAMIC ECUE1E102KBQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030011770 S CERAMIC C1608 CH 1H 060B T A 4030006870 S CERAMIC C1608 JB 1H 222K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008470 S CERAMIC C1608 JB 1H 272K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030008680 S CERAMIC C2012 JF 1C 105Z T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4550006680 S TANTALUM ECSTOJY156R 4030014340 S CERAMIC ECUE1H390JCQ 4030008770 S CERAMIC C1608 JB 1H 562K T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030006850 S CERAMIC C1608 JB 1H 471K T A 4030007160 S CERAMIC C1608 CH 1H 181J T A 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030007160 S CERAMIC C1608 CH 1H 181J T A 4550006540 S TANTALUM ECST1CY475R 4030008770 S CERAMIC C1608 JB 1H 562K T A 4030007020 S CERA
27. a 2 4 type diode switching system Received signals are passed through the low pass filter L1 L2 C3 C8 C666 The filtered signals are applied to the type antenna switching circuit D2 D8 The passed signals are then applied to the RF amplifier cir cuit 4 1 2 RF CIRCUIT The RF circuit amplifies signals within the range of frequen coverage and filters out of band signals The signals from the antenna switching circuit are amplified at the RF amplifier Q12 after passing through the tunable bandpass filter L17 D10 C85 C86 The amplified signals are applied to the 1st mixer circuit Q13 after out of band signals are suppressed at the 3 stages tunable bandpass fil ter D401 L18 C89 C406 D11 L402 C91 C92 C94 D12 L19 C97 C98 Varactor diodes are employed at the bandpass filters that track the filters and are controlled by the CPU IC8 via the expander 10 using 1 4 signals These diodes tune the centre frequency of an RF passband for wide bandwidth receiving and good image response rejection 4 1 3 1ST MIXER AND 1ST IF CIRCUITS The 1st mixer circuit converts the received signal into a fixed frequency of the 1st IF signal with a PLL output frequency By changing the PLL frequency only the desired frequency will pass through a crystal filter at the next stage of the 1st mixer 2ND IF AND DEMODULATOR CIRCUITS The signals from the RF circuit are mixed at the 1st mixer Q13 wit
28. any of the variable components Turn them slowly and smoothly DO NOT short any circuits or electronic parts An insulated turning 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 signal generator or a sweep generator ALWAYS connect a 40 dB to 50 dB attenuator between the transceiver and a deviation meter or spectrum analyzer when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the transceiver NO Or gt SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION TABLE OF CONTENTS 1 SPECIFICATIONS 2 INSIDE VIEWS 3 DISASSEMBLY AND OPTION INSTRUCTIONS 3 1 DISASSEMBLY INSTRUCTION 3 2 OPTIONAL UNIT 4 IRCUIT DESCRIPTION 41 RECEIVER CIRCUITS 4 1 42 TRANSMITTER CIRCUITS 0202 43 rrr 4 2 44 POWER SUPPLY CIRCUITS 2 0202022222222246 4 3 45 IGPU PORT ALLOCATIONS 4 4 5 ADJUSTMENT PROCEDURES Dd PREPARATION deen ede eee 5 1 52 PLLADJUSTMENT L 2020220202020 22022220222
29. channel version 7 2 V DC negative ground supplied battery pack Transmit at High 4 0 W 1 55 at Low 1 0 W 800 mA Receive rated audio 250 mA stand by 70 mA 0 00025 30 to 60 C 22 F to 140 F 54 W x 132 H x 35 D mm 2 542 W x 5 4e H x 1 38 D in 355 0 12 5 oz 4 W 1 W High Low Variable reactance frequency modulation 2 5 kHz 73 dBc typical 60 dB typical Less than 3 at 1 kHz 40 deviation 70 100 of max deviation 3 conductor 2 5 d mm 1 40 2 2 Double conversion superheterodyne system dst 46 35 MHz 2nd 450 kHz 0 3 uV at 12 dB SINAD typical 0 3 uV at threshold typical 65 dB typical 70 dB typical 70 dB typical 40 GB typical 500 mW typical at 5 distortion with an 8 load 3 conductor 3 5 d mm 18 8 Specifications are measured in accordance with EIA TIA 603 All stated specifications are subject to change without notice or obligation SECTION 2 INSIDE VIEWS MAIN UNIT TOP VIEW Antenna switcing circuit D2 D8 MA77 Power amplifier Q1 2SK2974 ge srt Ld 1 APC NJM3403AV Q37 DTA144EU IF amplifier Q14 2SC4215 O PLL IC IC1 uPD3140GS TX RX switch D3 D4 MA77 Mic amplifier circuit BOTTOM VIEW Antenna switcing circuit D1 1SV307 1st mixer 013 35 239 VCO circuit
30. the adjustment program and then push ENTER key D 2 The connected PC tunes BPF T4 to peak levels or 2 1 Set the cursol to one of BPF T1 T2 T3 or T4 as desired 2 2 Push ENTER key to start tuning 2 3 Repeat 2 1 and 2 2 to perform additional BPF tuning SQUELCH LEVEL SQL Operating frequency 440 000 MHz Connect a standard signal generator panel the antenna connector and set as Frequency 440 000 MHz Level 0 2 uV 121 dBm Modulation 1 kHz Deviation 1 75 kHz Receiving Receiving Connect a SINAD meter with an 8 Q load to the SP jack The output level of the standard signal generator SSG is indicated as the SSG s open circuit 12 dB SINAD At the point where the audio signals just appears SECTION 6 PARTS LIST MAIN UNIT MAIN UNIT ORDER DESCRIPTION ORDER DESCRIPTION 1130007610 S IC uPD3140GS E1 DS8 6050010870 S XTAL CR 663 9 200 MHz 1110003490 S IC TA31136FN D EL 6070000210 S DISCRIMINATOR CDBCA450CX24 1110005140 S IC NJM3403AV TE1 6050010930 S XTAL CR 662 15 3 MHz 1130008090 S IC BU4066BCFV E1 1110001810 S IC TA7368F TP1 1180001740 S IC TK11250BMCL 6200008240 S COIL 0 30 0 9 5TL 14N 1130009680 S IC 58 2432 6200008240 S COIL 0 30 0 9 5TL 14N 1140008880 S IC HD6433876B34H 6200008240 S COIL 0 30 0 9 5TL 14N 1190000350 S IC M62363FP 650C 6200007690 S COIL LQN21A 18NJ04 11300091
31. 001 Tx 1 33 V 6571 47H 18 e 427 3 68 V z R23 R21 R19 C26 0 19 V 47 3225 H Rx 0 20 V hs AFOUT VOLOUT Rx 131 V 47 C423 05 i 100 220 100 0 001 e 619 C21 0289 z C148 c215 E AFOUT 6 5 co 001 47 47P IM MM S INE 001 01 5 5 1 4 Vp p 1 kHz 1 5 kHz LVIN D403 HVU350 Q401 C33 R22 R Le 3 48 V R446 R502 4 gt e i 2 0402 20 C29 R18 Feo 8125 R171 ze z 525 T 2 3 Vp p 1 kHz 15 mV mic input 5 3 XP1214 470 P68k 470P 68k 470 P 47k R14 56k ik 27k 47k zum 5 7 gj 71 DTC144EU 100 124 6 C164 lt lt 0 01 T T T a 0 22 H 0 001 R420 1 SP ANY ANY 370 R504 C4865P e L31 C205 i T 2 R34 R32 0404 4 330 27 nH 57 nH Lait 6 4 9 nH 0 001 0 001 14nH i4nH 5 01 V Q18 gt 1k 6 8k 1T365 cop m 15nH C22 C552 l 1 gt 499 R33 1 C27 12P 0 001 W12 gt ANT 2SB1132 R 1 39k 12 5P 01 R422 c42 T I MATZ vec 04722 120k T 0 001 Tx 0 04 V R421 l 03 0462 ak LI E m CPUS RS Rx 62V 10 03 C30 MA77 10 6492 3 Q2 P 55 133 M NU a 6218 39k 22P n Q403 25 3585 R44 25 2973 T Tx 4 84 V Tx 0 00 V lt R164 moz 1 10 39 H 01 LNJ310M6URA 3 2 R522 1 RB706 F40 Rx 0 19 V Rx 4 97 V R135 120k 476 M62363FP 650C R519 m 23 7 Us Q6 as 5 51
32. 001950 S TRANSISTOR 2SC2712 GR TE85R 1750000550 S DIODE 155355 TE 17 1750000020 S DIODE 188184 TE85R 1790000950 S ZENER 8056 TX 7030010000 S RESISTOR MCR10EZHF 2480 240 7030010000 S RESISTOR MCR10EZHF 2480 240 7030000190 S RESISTOR MCR10EZHJ 27 Q 270 7030000500 S RESISTOR MCR10EZHJ 10 kQ 7030000500 S RESISTOR MCR10EZHJ 10 kQ 7030000190 S RESISTOR MCR10EZHJ 27 Q 270 7030001740 S RESISTOR MCR10EZHJ 2 7030001740 S RESISTOR MCR10EZHJ 2 7030000590 S RESISTOR MCR10EZHJ 56 7030000500 S RESISTOR MCR10EZHJ 10 kQ 7030000380 S RESISTOR MCR10EZHJ 1 4030001150 S CERAMIC GRMAO F 104Z 25PT 4030001150 S CERAMIC GRMAO F 1042 25PT 4030001150 S CERAMIC GRMAO F 104Z 25PT 4030001150 S CERAMIC GRMAO F 104Z 25PT 6510021470 CONNECTOR 0470 01 230 6510021470 CONNECTOR 0470 01 230 5040001390 LED TLG124A 7030003970 S JUMPER MCR18EZHJ JPW 000 0910052602 PCB B 5493B 6910012240 SPACER TLE60 05 8930051340 2338 TERMINAL S Surface mount NOTE C CHASSIS M MAIN UNIT CHASSIS UNIT CONVENIENT BC 137 is connectable max 6 pieces in parallel REF NO ODER NO DESCRIPTION When connect BC 137 in parallel JIG cable as shown 8010018030 2338 case below is required 8110007080 2338 cover 8930050920 2327 spacer CONNECTION AC adaptor BC 122 8930039620 Leg cushion A JIG cable or DC power supply 88100086
33. 003710 7030003650 7030003600 7410000950 7030003600 7030003780 7410000950 7410000950 7410000950 7030003440 7030003440 7030003800 7030003800 7030003800 7030005090 7030003680 7030003680 7030003740 7030003520 7030003400 7030004050 7030003620 7030003560 7030003560 7030004050 7030003680 7030003640 7030003720 7030003560 7030003500 7030003490 7030004040 7030003390 7030003500 7030003500 7030003400 7030005050 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR ERJ3GEYJ 103 V 10 ERJ3GEYJ 473 V 47 ERJ3GEYJ 153 V 15 kQ ERJ3GEYJ 392 V 3 9 ERJ3GEYJ 102 V 1 RRO0816P 332 D 3 3 RRO0816R 104 D 100 S THERMISTOR NTCCM20124AG473J T S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S ARRAY S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S ARRAY S RESISTOR S RESISTOR S ARRAY S ARRAY S ARRAY S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR
34. 029 C179 Tk MER 180 0 001 47P 47k 47k 38 nH 82 nH BP 82nH 47 0 001 150 47k 8 2nH 7P 4P 10 7P 0 01 NJM3403AV 330k L22 L15 14 nH 14 nH e 4 3 4 5 6 7 8 121 220 P R530 100 11 R83 C115 T 1 1902 2208 J d AE we T E S 8 Cll9 014 1 0001 0001 25 4215 3 C243 R163 R523 0 001 10k 3 9k 63 R405 C84 C407 94 95 C559 47 P 557 47 P 47 P nn R136 F DET 100 NOIS SD DET 1 v 3 COM4 COM3 COM2 COMI SEG SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 DS SEG13 LM 7045B SEG14 SEG15 Seats LCD HOLDER NOTE D IC F4GT SEG21 R531 COMI 27 52922 IC F4GS COM3 COM4 COMPLETE SECTION12 VOLTAQE DIAGRAM
35. 07 O R7 10 Q1 C666 R1 Cus Ts i vw T m XA 47P sy 28651070 25 51070 8 To wi 2562974 uc D 0 001 022 021 SjVOUTI es L Drs EB SEGUE 2SC5107 O AM T 1 2SA1577 Q mao 25 15770 Q19 m avoua oe 47k Ton csso TEMPS EN me Ge ef re a fev WA ARENT a t Wy w E C251 TH P260 R261 XP6501 AB i 5 Vine 01 2 zoea ew 772 702 2 79 5 120k anqa T 59 m C211 R501 L gom 0 001 5l DAST 6 19 E g 47 18k DA 33K 6 5 4 LD RESET SS R458 C13 C252 298 42 4 masar lQ SCK BARBERIS 1 08 Vp p 8858588859582 R204 DEV MATT ree 1k 0 001 0 001 J css lt gt S DI DO x 9 9 tD L Q Q N OZ QO 33k 1LO c18 0 001 J Q37 PTT I R141 8139 1 020 VIN3 vins 16 5222552245 002565522525229 FAN qos Sor DTA144EU did 3 s Pt ms oon HH HI 25C4116 GR s 12 13 4 VDD 10 VIN4 VIN5 4 513 Rx 3 50 V Tx 0 00 V R244 C561 4 R205 z R155 Rx 4 81 V 100 k 15k R228 100 Ret ATE R61 Zr R143 EM mr ub ae Coh DE cu 10k 127 tk 2 e R77 47 Tx 0 00 V x 0 21 TETSNOON 156 10KA2
36. 10 S IC S 80942ANMP DD6 T2 6200005670 S COIL ELJRE 12NG F 1110003800 S IC NJM2904V TE1 6200005710 S COIL ELJRE 27NG F 1110002750 S IC TA75S01F TE85R 6200005710 S COIL ELJRE 27NG F 6200004110 S COIL MC152 E558ANA 100050 6200003550 S COIL MLF1608A 4R7K T 1560001050 S FET 2SK2974 6200003960 S COIL MLF1608A 1R0K T 1560001020 S FET 2SK2973 MTS101P 6200005680 S COIL ELJRE 15NG F 1530002620 S TRANSISTOR 2SC3585 R44 T2B 6200008240 S COIL 0 30 0 9 5TL 14N 1530003310 5 TRANSISTOR 25 5107 TE85R 6200008440 S COIL LQN21A 8N2D04 1530003310 5 TRANSISTOR 25 5107 TE85R 6200008440 S COIL LQN21A 8N2D04 1530003310 5 TRANSISTOR 25 5107 TE85R 6200008440 S COIL LQN21A 8N2D04 1530003230 S TRANSISTOR 2SC5085 Y TE85R 6200002850 S COIL NL 252018T R82J 1530003230 S TRANSISTOR 2SC5085 Y TE85R 6200005720 S COIL ELJRE 33NG F 1530002690 5 TRANSISTOR 2SC4116 GR TE85R 6200008240 S COIL 0 30 0 9 5TL 14N 1590001190 5 TRANSISTOR XP6501 TX 6200009250 S COIL LQW1608A R22G00 1580000720 S FET 3SK239AXRTL 6200004480 S COIL MLF1608D R82K T 1580000720 S FET 3SK239AXRTL 6200003590 S COIL EXCCL3225U1 1530002600 S TRANSISTOR 25 4215 TE85R 6200008520 S COIL 0 30 0 7 3TR 4 9N 1520000460 S TRANSISTOR 25 1132 T100 R 6200009210 S COIL NL 252018T 390J 1590001190 5 TRANSISTOR XP6501 TX 6200008440 S COIL LQN21A 8N2D04 1590002530 5 TRANSISTOR UN911H TX 6200004660 S COIL MLF
37. 10k R405 L 8 EXT SP I 9 1 2 3 Wie a 22k BUSY __241pP12 TMOFH P70 SEG17 52 ET t 9 im 6587 Co5 ce3 c559 Tare L CLONE Q R5 0404 2SJ364 1M CTDA24 CCS P11 TMOFL P67 SEG16 21 R237 z D Sb 47 1 47 T 47 P o Al T Il DTC144TU e MAKE 1 t R230 OPTI 58888858 1k y pP 4 1 ca J3 4 89 V r r r r5 La IC12A MN 2 z son 99099900 os dS 55 J o4 4 5 6 1 R238 R211 Tx 0 03 V 46 V e 2555505 AW DUSE x 2 ch cise dieo I 1k Ais NJM2904V 180 k x 1 99 V 52V R229 88882222227 enn nud W MMUT 23 come 0001 0001 8192 IC12B 180k 5o oSSSS8S2222220000000 AW 1 RMUT C567 x41 22 C201 R198 R199 C s lt lt x lt OD OHHH DDO D OD D O L 47P T SEG1 5 SEG1 F v F 3 01 18k NJM2904V C250 m 22200000 00000000 0000 SEG2 7 8 1 47k 0 01 TS 358 55 SY SA SOS 2 R236 SEG3 7 SEG2 ANY 2SC4116 GR R235 eo eo eo eo S8 1k SEGA 8 SEG3 d 1 1 R240 ater T DM R203 gt gt CTCSS3 Vp p 680 k CONT MMUT SEGS 9 SEG4 1k 220k 0 033 47k t RMUT SEGE 10 SEG6 gt 1 gt SEG7 11 SEG 0 P SEG8 12 3 219 Tg SESS 1 R200 0 0082 1 2 SEGIO 14 SEG9 47k OPV3 SEG10 C198 1442 AN A SEGH 15 Scart I 6195 0 1 H
38. 1608A 1R8K T 1520000460 S TRANSISTOR 2881132 T100 R 6200004110 S COIL MC152 E558ANA 100050 1590001190 5 TRANSISTOR XP6501 TX 6200004660 S COIL MLF1608A 1R8K T 1590000720 S TRANSISTOR DTA144EUA T106 6200003550 S COIL MLF1608A 4R7K T 1510000920 S TRANSISTOR 28A1577 T107 Q 6200005700 S COIL ELJRE 22NG F 1510000920 S TRANSISTOR 28A1577 T107 Q 6200003960 S COIL MLF1608A 1ROK T 1530002690 5 TRANSISTOR 2SC4116 GR TE85R 6200004720 S COIL MLF1608D R10K T 1590000660 S TRANSISTOR DTC144TU T107 1590000430 S TRANSISTOR DTC144EUA T106 1560000540 S FET 2SK880 Y TE85R 7030003670 S RESISTOR ERJ3GEYJ 823 V 82 1530002690 5 TRANSISTOR 2SC4116 GR TE85R 7030003580 S RESISTOR ERJ3GEYJ 153 V 15 1530002690 5 TRANSISTOR 2SC4116 GR TE85R 7030003580 S RESISTOR 153 V 15 1590000720 S TRANSISTOR DTA144EUA T106 7030004980 S RESISTOR ERJ2GEJ 101 X 100 0 1590001940 S TRANSISTOR 144 TL 7030005050 S RESISTOR ERJ2GEJ 103 X 10 1590001400 5 TRANSISTOR XP1214 TX 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 1590000430 S TRANSISTOR DTC144EUA T106 7030005530 S RESISTOR ERJ2GEJ 100 X 10 Q 1530003310 5 TRANSISTOR 25 5107 TE85R 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 0 1550000010 S FET 28J364 Q TX 7030005050 S RESISTOR ERJ2GEJ 103 X 10 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 1
39. 22222 5 4 53 SPJUSTRIENIE si y Susa 5 5 6 PARTS LIS 7 ECHANICAL PARTS AND DISASSEMBLY 8 SEMI CONDUCTOR INFORMATION 9 BOARD LAYOUTS 10 BC 137 OPTIONAL DESKTOP CHARGER INFORMATION 10 1 JPARTSLI ST 00202020202 10 1 10 2 DISASSEMBLY INFORMATION 10 1 10 3 VOLTAGE DIAGRAM 10 2 10 4 BOARD LAYOUT 2 265356 20652 paq 10 2 11 BLOCK DIAGRAM VOLTAGE DIAGRAM 12 MOLTAGE DIAGRA SECTION 1 SPECIFICATIONS GENERAL Frequency coverage Type of emission Number of channels Power supply requirement Current drain approx Frequency stability Usable temperature range Dimensions projections not included Weight with ant BP 209 TRANSMITTER RF output power at 7 2 V DC with supplied battery pack Modulation system Maximum frequency deviation Spurious emissions Adjacent channel power Transmitter audio distortion Limitting charact of modulator Ext microphone connector RECEIVER Receive system Intermediate frequencies Sensitivity Squelch sensitivity Adjacent channel selectivity Spurious response rejection Intermodulation rejection ratio Hum and noise Audio output power at 7 2 V DC Ext speaker connector 440 000 470 000 MHz 8K50F3E 32 ch 16 channels x 2 banks 2 BANK version 16 ch 16
40. 251 m T 2 R152 R154 165 001 47P T L 100 0555 448 C455 Res 869 C405 x 1 45 V W15 n Ge 470 470 120k z m S 80942ANMP DD6 V 225 10 R82 C107 R464 C106 12 10 10 6 1 VOL PWR 520330 voLOUT Q 8 cis C174 R134 C159 ciso Ql cise 01 gt c230 IN 75 100k SEGI2 OH 39k8 47P 1k 8820 SWITCH E E AN 0 01 0 01 22 22k 470P 001 22 only cea gt F 0 022 bs 2 avss 74 mE N IC2 0 001 T 15 22k rL VON TEST P98 SEG38 73 SFPG450G TA31136FN D x 128 r C574 R524 2 h E 2 m xx P94 SEG37 72 SEG9 125 lo il 16 CDBCA450CX24 0 001 C108 ok L20 Tx 0 05 V 47P 0001 Rx 0 58 V 0 1 0 001 NTCCM1608 223KC T CPUS Z z xi P93 SEG36 71 SEG8 JN Pen 2050 ee oo Rx 4 64 V f C282 S5 55 9 9 ads 71 95 P92 SEG35 70 5606 Y SIMIXOUT Tk 0 001 8142 T5 8 2 XOUT 98 1 P91 SEG34 SEGS m 2SC4116GR 053 C66 VCC N DET C116 s R52 VR 100 R5 ol 5 OSC2 P90 SEG33 68 SEG4 15P 7P 5 100 R80 150k R5 R220 HN58X2432TI RESET 9 RES P87 SEG32 67 SEG3 J Sarit 8 DEC OUT 29 120k i t L15 330 k 8 1 NMI Pi 66 SEG2 7 3 ni 14 nH R KRO T Ti EM 86 SEG31 A FILOUT UAD 53 R218 R219 1 1 rd 055 SCK SIFT T P20 IRO4 ADTRG I
41. 30003440 S RESISTOR ERJSGEYJ 102 V 4030016930 S CERAMIC ECJOEB1A104K 7030003260 S RESISTOR ERJSGEYJ 330 V 4030006980 S CERAMIC C1608 CH 1H 070D T A 7030003490 S RESISTOR ERJSGEYJ 272 V 2 4030009910 S CERAMIC C1608 CH 1H 040B T A 7030004970 S RESISTOR ERJ2GEJ 470 X 47 0 4030009540 S CERAMIC C1608 CH 1H 1R5B T A 7030003680 S RESISTOR 104 V 100 4030007090 S CERAMIC C1608 CH 1H 470J T A 7030003590 S RESISTOR ERJSGEYJ 183 V 18 4030006980 S CERAMIC C1608 CH 1H 070D T A 7030005120 S RESISTOR ERJ2GEJ 102 X 1 4030009920 S CERAMIC C1608 CH 1H 050B T A 7030005050 S RESISTOR ERJ2GEJ 103 X 10 4030007090 S CERAMIC C1608 CH 1H 470J T A 7030003380 S BESISTOR ERJ3GEYJ 331 V 330 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003440 S RESISTOR ERJSGEYJ 102 V 4030009500 S CERAMIC C1608 CH 5 7030003440 S RESISTOR ERJSGEYJ 102 V 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030005120 S RESISTOR ERJ2GEJ 102 X 1 4030006970 S CERAMIC C1608 CH 1H 060D T A 7030005120 S RESISTOR ERJ2GEJ 102 X 1 4030006990 S CERAMIC C1608 CH 1H 080D T A 7030005050 S RESISTOR ERJ2GEJ 103 X 1 4030014180 S CERAMIC ECUE1H470JCQ 7030003440 S RESISTOR ERJSGEYJ 102 V 4030009500 S CERAMIC C1608 CH OR5B T A 7030007350 S RESISTOR ERJ2GEJ 393 X 39 4030014180 S CERAMIC ECUE1H470JCQ 7030003490 S RESISTOR ERJSGEYJ 272 V 2 7 4030006990 S CERA
42. 500 4030016950 4030009920 4030007010 4030007010 4030007000 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 102K T A C1608 CH 1H 470J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A ECEV1CA470SP ECEVOJA220SR C1608 JB 1E 103K T A C1608 CH 1H 080D T A C1608 CH 1H 120J T A C1608 CH 1H 390J T A C1608 JB 1H 471K T A C1608 JB 1C 104KT N ECST1AY225R C1608 JB 1C 104KT N C1608 JB 1C 333K T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 CH 1H 470J T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N ECSTOJY475R C1608 JB 1E 103K T A ECST1AY225R C1608 JB 1C 333K T A C1608 JB 1C 104KT N ECJO
43. 60 Screw BT M3 x 8 NI ZU Screw abbreviations BT Self tapping NI Nickel H 1 d 4 JIG CABLE Max 6 pieces of BC 137 10 1 10 3 VOLTAGE DIAGRAM Q1 2SB1201 S Q2 RN2404 DS1 TLG124A Q3 RN1409 Ri 10 4 BOARD LAYOUT Di 155355 11 82V 11 80V 0 23 V 0 22V Q 2SC2712 GR CHARGE 10 2 SECTION 11 BLOCK DIAGRAM J5 AXN330C038 IC1 UPD3140GS S 03 MA77 Di 157307 OPTION UNIT 97 5960090 06 25 5107 O 04 28 5107 O D4 MA77 0403 25 5107 Q3 2SC3585 R44 2 25 2973 01 25 2974 D8 MA77 2TONE or STONE PLLIC PQ um FRE PWR ANT Q5 28C5107 O MIC AF PTT MMUT IC3A NJM3403AV D32 RB706F 40 sicour ONOP BUFF Q37 DTA144EU D33 RB706F 40 FRQCON TXC PWR DET 4 PTT Q34 2SK880 Y CONT Q10 28C4116 GR Q17 UN911H VCC 0401 HVU350 FL 313 011 HVU35I 57 1 2 TA31136FN D Q14 28C4215 O 46 35 MHz SMS Q12 3SK239A D10 HVU350 015 2581132 016 XP6501 AB D26 DAN202K REG IF DET IC lt BPF Ga AMP BPF ZN Q13 3SK239A 7368 7 12 SFPC450G 450kHz FP 650C T2 T8 T4
44. 7 CONT OTE 0 10k T c mE UN911H 10 12 AN D26 Q 28 VCC NJM3403AV 8 1 C214 R113 MM DAN202K ef 8 0 033 68 k IC3D 3 MICOUT C209 1 29 01 NJM3403AV I 2 PTTOUT R159 8116 E 30 GND BU4066BCFV R506 z 0 0 C136 100 k 1k C137 t4 1441 1k L 04056 0 033 Oo C147C154 R130 1018 C562 04 10 C563 R100 C129 R 47 T 47 P AW 22k 1 n 77 OLIN R104 100 k VOLIN C223 6224 VOLOUT 1 VOLOUT VOLOUT 0 01 0 01 ATOUT AFOUT AFOUT 4 Vp p 1 kHz 1 5 kHz 3 Vp p 1 kHz 15 mV mic input OPC SP 1 42 28 16 C164 gt 1 i gp 0 001 1 l 2 T i T Q18 SPEAKER 2SB1132 R R182 vcc NTCCM20124AG473JCT AP CPUS L33 1 6 IC10 39 H gt Tx 4 84 V ius M62363FP 650C 10k 255 1 24 9 1 VIN8 R103 R215 C231 C163 z Z your voute mue L 12k 100k 9282 z Su 6333 i Ludo aj 0 001 i Q22 Q21 m VOUT7 22 ATIK C197 0550 Msi ER MIC T 2SA1577 Q 2SA1577 Q gi AB 5 VIN2 04 22 R181 3 h Slip 19 p d met WAT 28858858885 33K 99 1 R13347 2 2 g CLK VDAREFH7 zs oszooruuqsos los Beles gt ving REX 6553 a 10 15 5 1 12k SUSPHSRSCOS6 lt aQ p eA 27 2 BTA144 EU 253 Yura c EE 4 7 k 47k 3TH 12 13 4 3 D14 VINA VINS vss MA77 1
45. 7090 4030007090 4030014180 4030014180 4030014180 4030006860 4030006860 4030016930 4030008920 4030013850 4030014180 4030009910 4030014180 4030006850 4030013850 4030014180 4030014180 4030014180 4030014220 6450001680 6450001690 6510018430 6510021900 5030001800 5010000160 5010000160 7700002160 2230000900 2230000900 2230000900 2510001060 8900009640 7030009970 7030003860 7030003860 7030003860 7030010040 0910052732 8930051310 6910013370 6910013370 S CERAM S CERAM S CERAM S CERAM S CERAM S TANTAL S CERAM S CERAM S CERAM S TANTAL S TANTAL S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM S CERAM o0000000000000000000000000000000000 000 00000 CONNECTOR CONNECTOR S CONNECTOR S CONNECTOR LCD S LED S LED MICROPHON S SWITCH S SWITCH S SWITCH SPEAKER CABLE S JUMPER S JUMPER S JUMPER S JUMPER S JUMPER PCB LCD CONTACT S BEAD S BEAD C1608 CH 1H 470J T A ECUE1H470JCQ C1608 CH 1H 470J T A ECUE1H1R5BCQ C1608 CH 1H 050B T A ECST1EY105R C1608 CH 1H 100D T A ECJOEB1A104K C1608 JB 1H 472K T A ECSTOJY106R ECSTOJY226R C1608 JB 1H 102K T A C1608 JB 1H 102K T A ECUE1H470JCQ C1608 JB 1H 471K T A C1608 CH 1H 050B T A ECUE1H4
46. 70JCQ C1608 CH 1H 470J T A ECUE1H470JCQ C1608 CH 1H 470J T A C1608 CH 1H 470J T A ECUE1H470JCQ C1608 CH 1H 470J T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A ECUE1H470JCQ C1608 CH 1H 470J T A C1608 CH 1H 470J T A ECUE1H470JCQ ECUE1H470JCQ ECUE1H470JCQ C1608 JB 1H 102K T A C1608 JB 1H 102K T A ECJOEB1A104K C1608 JB 1C 473K T A ECUE1E102KBQ ECUE1H470JCQ C1608 CH 1H 040B T A ECUE1H470JCQ C1608 JB 1H 471K T A ECUE1E102KBQ ECUE1H470JCQ ECUE1H470JCQ ECUE1H470JCQ ECUE1E471KBQ HSJ1122 010010 HSJ1456 01 220 AXN330C038P BMO2B ASRS TF LM 7045B LNJ310M6URA LNJ310M6URA KUC3523 040245 JPM1990 2013R JPM1990 2013R JPM1990 2013R K036NA500 47 OPC 963 MJ 0 1 ERJSGE JPW V ERJ3GE JPW V ERJ3GE JPW V ERJ2GE JPW B 5387B SRCN 2251 SP N W BLM11B221SB BLM11B221SB S Surface mount SECTION 7 MECHANICAL PARTS AND DISASSEMBLY CHASSIS PARTS ACCESSORIES ODER NO DESCRIPTION REF ODER NO DESCRIPTION 8210016750 2251 T front panel F4GT 3310002290 Antenna FA SC57U 8210016740 2251 5 front panel F4GS 8930050890 2251 terminal holder 8010017990 2251 chassis 8210016570 2251 rear panel 8930050870 2251 release button 8310047580 2251 window plate 8930051350 2251 jack rubber 8210016550 2251 jack panel 8610010780 Knob N 276 8930050820 2251 main seal 8930050790 2251 10key F4GT 8930050590 2251 6key F4GS 8930050840 2251 minus terminal 8930050850 2251 plus termina
47. 750000580 S DIODE 1SV307 7030004980 S RESISTOR ERJ2GEJ 101 X 100 Q 1790000620 S DIODE MA77 TX 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 1790000620 S DIODE MA77 TX 7030003360 S RESISTOR ERJ3GEYJ 221 V 220 1790000620 S DIODE MA77 TX 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 1720000370 S VARICAP HVU350TRF 7030003320 S RESISTOR ERJ3GEYu 101 V 100 0 1720000660 S VARICAP 1SV288 TPH2 7030003480 S RESISTOR ERJSGEYJ 222 V 2 2 1790000620 S DIODE MA77 TX 7030003540 S RESISTOR 682 V 6 8 1720000370 S VARICAP HVU350TRF 7030008410 S RESISTOR ERJ2GEu 392 X 3 9 1720000370 S VARICAP HVU350TRF 7030005120 S RESISTOR ERJ2GEJ 102 X 1 1720000370 S VARICAP HVU350TRF 7030004970 S RESISTOR ERJ2GEu 470 X 47 0 1790000620 S DIODE MA77 TX 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 1160000070 S DIODE DAN202K T146 7030005090 S RESISTOR ERJ2GEu 104 X 100 1790001670 S DIODE RB706F 40T106 7030003630 S RESISTOR 393 V 39 1730002260 S ZENER MA8030 H TX 7030003750 S RESISTOR ERJ3GEYJ 394 V 390 1790001670 S DIODE RB706F 40T106 7030003760 S RESISTOR ERJ3GEYJ 474 V 470 1790001670 5 RB706F 40T106 7030003700 S RESISTOR ERJ3GEYJ 154 V 150 1790000620 S DIODE MA77 TX 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 1720000370 S VARICAP HVU350TRF 7030003700 S RESIST
48. 980 7210003060 7030003620 7030003800 7030003570 7030003570 7030003640 7030003400 7030005170 7030005170 7030005170 7030003320 7030003680 7030003320 7030003440 7030003440 7030003560 7030005310 7030005310 7030003560 7030003560 ERJSGEYJ 103 V 10 ERJ3GEYJ 102 V 1 ERJ3GEYJ 472 V 4 7 ERJSGEYJ 473 V 47 ERJ3GEYJ 181 V 180 0 ERJ3GEYJ 101 V 100 ERJ3GEYJ 181 V 180 0 ERJ2GEJ 124 X 120 kQ ERJ2GEJ 102 X 1 kQ ERJ3GEYJ 392 V 3 9 331 V 330 0 ERJSGEYJ 470 V 47 Q ERJ3GEYJ 152 V 1 5 ERJ3GEYJ 473 V 47 222 2 2 ERJ3GEYJ 333 V 33 122 1 2 ERJ3GEYJ 684 V 680 ERJ3GEYJ 273 V 27 105 V 1 105 V 1 ERJ3GEYJ 473 V 47 ERJ3GEYJ 224 V 220 ERJ3GEYJ 184 V 180 ERJ3GEYJ 183 V 18 RRO0816P 222 D 2 2 ERJ3GEYJ 105 V 1 ERJ3GEYJ 100 V 10 0 ERJ3GEYJ 123 V 12 ERJ3GEYJ 104 V 100 ERJ3GEYJ 471 V 470 ERJ3GEYJ 154 V 150 ERJ3GEYJ 184 V 180 ERJ2GEJ 103 X 10 kQ ERJ3GEYJ 105 V 1 ERJ3GEYJ 683 V 68 333 V 33 ERJ2GEJ 124 X 120 ERJ2GEJ 102 X 1 kQ ERJ3GEYJ 152 V 1 5 683 V 68 102 V 1 ERJSGEYJ 272 2 7 ERJ3GEYJ 332 3 3 kQ ERJ3GEYJ 273 V 27 ERJ3GEYJ 103 V 10
49. C283 C173 S DTC144EU 7 0 001 47 JPM1990 2013R 0 1 DTC144EU DUSE COMPLETE VIEW 12 1 P Hz CTCSS 0 35 kHz Kea AFOUT AFOUT DISCIN DISCIN VCC VCC T5 18 85 S5 CPUS CPUS 55 Ed 55 XA CR 662 S5 S5 S5 W10 47 2GE Ro mE CPUS GPUS 4 vcc IC13 R51 TA75S01F ERQCON 70 145 I R50 3 390 k 2 C71 0 001 vec AF min 7 23 V 1 5 DBAL max 7 08 V TA7368F 3 31 V 6159 d p 72 x Hnc pouTHe N 47 100K vcc PWGND i PREGND PHASE x PLST SGK R527 1k 8127 R128 50 R528 Tk NW UNLK R529 1k R T AWW 04 T E ve zl 22 C150 cisicis2 al C291 d ge 10 47 0047 E 0 1 R41 PD3140GS R145 C139 R121 C140 R123 C145 C146 T 7 2 AM 01 1k 01 33k 10 022
50. C8 P85 SEG30 65 SEGI R R88 FILIN T 109 R262 3SK239A 44 10k i RSIS m Ky 120k 120k 6 3 si E K 12 P21 SCK1 HD6433876B34H P84 SEG29 64 SEG7 33K SIEL AMY 1 0001 1 2 120 5 4 SO P22 SH Pe3 SEG28 63 UNLK 83 C115 SO 14 28 EP10 w 22 SDA NSS DAST D ST 15 23 801 P82 SEG27 192 CTDA2 R87 1 1 uH L 920 100 P 3 W EXT MIC MIC R213 GUN 151 P24 SCK3 P81 SEG26 61 CTDAT 22k Ci22 R86 T 0 001 T 579 n I n e R54 2 X T i Q36 2 59 V 470 CLOUT Cour 171 225 8 0 P80 SEG25 2 220P 47k debe a M 4 J 180 150 k L EP11 R174 5 52 25 4116 GR um PLST 18 BYTISEG24 59 4 ESDA 120 119 114 CH3 Q14 EE ot de E dL 2 S J T 4 UP DN JPM19802013R R239 15 NOIS 78 P17 ROS TMIF P75 SEG22 57 DISCIN 93 0001 3 0 001 0001 0 001 2SC4215 O 180 0001 47P 47k 47k 33 nH Be nH bai paoi SPP GO 59 678 DB G2 DE C76 029 179 1k 82 C243 R163 958 D27 5 T 1k KS4 C248 R221 R234 PLST BUSY P16 IRG2 P74 SEG21 56 aw l AFON ARA HVU350 2 7 MA77 10 MA77 7P 0 01 NJM3403AV 330k TOR AT arour 9001 RB706F 40 9 1 0 01 330k O E 840 2 k NOIS CCS 22 pisa P73 SEG20 25 156 R136 F DET R67 mVp p P72 SEG19 R63 SP 1 5 r r 1 15 rm cina QE 28 P13 TMIG P71 SEG18 53 W RSC AFOUT 100
51. EB1A104K ECJOEB1A104K ECUE1E102KBQ C1608 JB 1H 822K T A C1608 JB 1C 393K T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1H 682K T A C1608 JB 1C 104KT N C1608 JB 1H 821K T A C1608 JB 1H 102K T A C1608 JB 1C 223K T A C1608 JF 1C 104Z T A C1608 JF 1C 104Z T A ECUE1E102KBQ ECUE1E102KBQ C1608 JB 1E 103K T A C1608 JB 1H 102K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A ECUE1E102KBQ C1608 JB 1H 102K T A C1608 CH 1H 240J T A C1608 JB 1H 102K T A C1608 CH 1H 470J T A ECJOEB1A104K C1608 CH 1H 470J T A C1608 JB 1H 102K T A C1608 CH 1H 060B T A C1608 CH 1H 080D T A C1608 CH 1H 470J T A C1608 CH 1H 120J T A C1608 CH 1H 060B T A C1608 CH 1H 060B T A C1608 CH 1H 070D T A C1608 CH 1H 050B T A C1608 JB 1H 471K T A C1608 CH 1H OR3B T A ECUE1H090CCQ C1608 CH 1H OR3B T A C1608 CH 1H 200J T A C1608 CH 1H 070D T A C1608 CH 1H 060B T A C1608 CH 1H 470J T A C1608 JB 1H 102K T A C1608 CH OR5B T A ECJOEB1A473K C1608 CH 1H 050B T A C1608 CH 1H 100D T A C1608 CH 1H 100D T A C1608 CH 1H 090D T A 4030007090 4030014180 4030007090 4030014000 4030009920 4550006450 4030007010 4030016930 4030006880 4550006200 4550006620 4030006860 4030006860 4030014180 4030006850 4030009920 4030014180 4030007090 4030014180 4030007090 4030007090 4030014180 4030007090 4030007090 4030007090 4030014180 403000
52. GEJ 104 X 100 104 V 100 ERJ3GEYJ 104 V 100 ERJ3GEYJ 334 V 330 472 4 7 ERJ3GEYJ 471 V 470 ERJ3GEYJ 1RO V 1 9 ERJ3GEYJ 333 V 33 kQ ERJ3GEYJ 103 V 10 103 V 10 ERJ3GEYJ 1RO V 1 0 ERJ3GEYJ 104 V 100 ERJ3GEYJ 473 47 ERJ3GEYJ 224 V 220 ERJ3GEYJ 103 V 10 ERJ3GEYJ 332 V 3 3 ERJ3GEYJ 272 V 2 7 4R7 V 4 7 0 391 V 390 Q ERJ3GEYJ 332 3 3 ERJ3GEYJ 332 V 3 3 ERJ3GEYJ 471 V 470 ERJ2GEJ 103 X 10 kQ S Surface mount MAIN UNIT MAIN UNIT ORDER ORDER NO DESCRIPTION NO DESCRIPTION 7030003720 S RESISTOR ERJSGEYJ 224 V 220 4030011770 S CERAMIC C1608 CH 1H 060B T A 7030003360 S BGESISTOR ERJ3GEYJ 221 V 220 4030007010 S CERAMIC C1608 CH 1H 100D T A 7030003650 S BESISTOR ERJSGEYJ 563 56 4030009910 S CERAMIC C1608 CH 1H 040B T A 7030005000 5 ERJ2GEJ 471 X 470 Q 4030006980 S CERAMIC C1608 CH 1H 070D T A 7030003210 S RESISTOR 120 V 120 4030009530 S CERAMIC C1608 CH 1H 030B T A 7030005000 S RESISTOR 2 471 X 470 Q 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030004980 5 ERJ2GEJ 101 X 100 4550006320 S TANTALUM ECSTOJY475R 7030003440 S RESISTOR ERJSGEYJ 102 V 4030011600 S CERAMIC C1608 JB 1C 104KT N 70
53. MIC C1608 CH 1H 080D T A 7030005310 S RESISTOR ERJ2GEJ 124 X 120 4030006970 S CERAMIC C1608 CH 1H 060D T A 7030003580 S BESISTOR ERJSGEYJ 153 V 15 4030007050 S CERAMIC C1608 CH 1H 220J T A 7030005070 5 ERJ2GEJ 683 X 68 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030005120 S RESISTOR ERJ2GEJ 102 X 1 4030006990 S CERAMIC C1608 CH 1H 080D T A 7030005120 S RESISTOR ERJ2GEJ 102 X 1 4030013850 S CERAMIC ECUE1E102KBQ 7030007280 S RESISTOR ERJ2GEJ 331 X 330 4030014180 S CERAMIC ECUE1H470JCQ 7030007280 S RESISTOR 2 331 X 330 0 4030007030 S CERAMIC C1608 CH 1H 150J T A 7030003200 S RESISTOR ERJSGEYJ 100 V 10 4030007090 S CERAMIC C1608 CH 1H 470J T A 7030008410 S RESISTOR ERJ2GEJ 392 X 3 9 4030006900 S CERAMIC C1608 JB 1E 103K T A 7510001300 S THERMISTOR NTCCM1608 4LH 223KC 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030005120 S RESISTOR ERJ2GEJ 102 X 1 4030009990 S CERAMIC C1608 CH 1H 200J T A 7030005120 S RESISTOR ERJ2GEJ 102 X 4030013850 S CERAMIC ECUE1E102KBQ 7030005120 S RESISTOR 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030005120 S RESISTOR ERJ2GEJ 102 X 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030005120 S RESISTOR ERJ2GEJ 102 X 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030004980 S RGESISTOR ERJ2GEJ 101 X 4030007130 S CERAMIC C1608 CH 1H 101J T A 7030005120 S RESISTOR ERJ2GEJ 102
54. MIC C1608 CH 1H 120J T A 4030008900 S CERAMIC C1608 JB 1C 333K T A 4030006850 S CERAMIC C1608 JB 1H 471K T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030009910 S CERAMIC C1608 CH 1H 040B T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030013850 S CERAMIC ECUE1E102KBQ 4030006860 S CERAMIC C1608 JB 1H 102K T A 4030009920 S CERAMIC C1608 CH 1H 050B T A 4510004630 S ELECTROLYTIC ECEV1CA100SR 4030007020 S CERAMIC C1608 CH 1H 120J T A 4030011810 S CERAMIC C1608 JB 1A 224K T N 4030006850 S CERAMIC C1608 JB 1H 471K T A 4030008630 S CERAMIC C1608 JF 1C 104Z T A 4030007020 S CERAMIC C1608 CH 1H 120J T A 4030006900 S CERAMIC C1608 JB 1E 103K T A 4030009920 S CERAMIC C1608 CH 1H 050B T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030006850 S CERAMIC C1608 JB 1H 471K T A 4550006200 S TANTALUM ECSTOJY106R 4030006850 S CERAMIC C1608 JB 1H 471K T A 4030007090 S CERAMIC C1608 CH 1H 470J T A 4030013850 S CERAMIC ECUE1E102KBQ 4030008920 S CERAMIC C1608 JB 1C 473K T A 4550006360 S TANTALUM ECST1VY104R 4510006940 S ELECTROLYTIC EEVFCOJ101P 4550006450 S TANTALUM ECST1EY105R 4550006200 S TANTALUM ECSTOJY106R 4550006200 S TANTALUM ECSTOJY106R 4510004630 S ELECTROLYTIC ECEV1CA100SR 4030007010 S CERAMIC C1608 CH 1H 100D T A 4030011600 S CERAMIC C1608 JB 1C 104KT N 4030007010 S CERAMIC C1608 CH 1H 100D T A 4550006620 S TANTALUM ECSTOJY226R 4030007030 S CERAMIC C1608 CH 1H 150J T A 4030006850
55. O SERVICE MANUAL UHF FM TRANSCEIVERS IC FAGT IC FAGS Icom Inc INTRODUCTION This service manual describes the latest service information for the IC F4GT and IC F4GS the time of publication To upgrade quality all electrical or mechanical parts and internal circuits are subject to change without notice or oblig ation DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V Such a connection could cause a fire hazard and or electric shock DO NOT expose the transceiver to rain snow or any liquids DO NOT reverse the polarities of the power supply when con necting the transceiver DO NOT apply an RF signal of more than 20 dBm 100mW to the antenna connector This could damage the transceiv er s front end ORDERING PARTS Be sure to include the following four points when ordering replacement parts 1 10 digit order numbers 2 Component part number and name 3 Equipment model name and unit name 4 Quantity required SAMPLE ORDER gt IC FAGT IC FAGS 1130007610 S IC uPD3140GS IC FAGT UNIT 1 pieces 8810009510 Screw BTM2x4NI ZU IC F4GS Chassis 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES Make sure a problem is internal before disassembling the transceiver DO NOT open the transceiver until the transceiver is disconnected from its power source DO NOT force
56. OR ERJ3GEYJ 154 V 150 1720000370 S VARICAP HVU350TRF 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 1720000520 S VARICAP 1T365 01 T8A 7030003340 S RESISTOR ERJSGEYJ 151 V 150 7030003280 S RESISTOR ERJSGEYJ 470 V 47 7030003720 S RESISTOR ERJSGEYJ 224 V 220 2010002450 S XTAL FL 313 46 35 MHz 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 2020001080 S CERAMIC SFPC450G TC01 7030003720 S RESISTOR ERJSGEYJ 224 V 220 7030005050 S RESISTOR ERJ2GEJ 103 X 10 7030003700 S RESISTOR ERJ3GEYJ 154 V 150 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 S Surface mount MAIN UNIT ORDER NO DESCRIPTION MAIN UNIT ORDER NO DESCRIPTION 7030003560 7030003440 7030003520 7030003640 7030003350 7030003320 7030003350 7030005310 7030005120 7030003510 7030003380 7030003280 7030003460 7030003640 7030003480 7030003620 7030003450 7030003780 7030003610 7030003800 7030003800 7030003640 7030003720 7030003710 7030003590 7030008060 7030003800 7030003200 7030003570 7030003680 7030003400 7030003700 7030003710 7030005050 7030003800 7030003660 7030003620 7030005310 7030005120 7030003460 7030003660 7030003440 7030003490 7030003500 7030003610 7030003560 7030003260 7030003200 7030003680 7030003400 7030003400 7030004040 7030003480 7030003560 7030003320 7030003320 7030003520 7030003680 7030003520 7030004
57. h a 1st LO signal coming from the VCO circuit to produce a 46 35 MHz 1st IF signal The 1st IF signal is applied to a pair of crystal filters F11 to suppress out of band signals The filtered 1st IF signal is applied to the IF amplifier Q14 then applied to the 2nd mixer circuit IC2 pin 16 4 1 4 2ND IF AND DEMODULATOR CIRCUITS The 2nd mixer circuit converts the 1st IF signal into a 2nd IF signal A double conversion superheterodyne system which converts receive signals twice improves the image rejection ratio and obtains stable receiver gain The 1st IF signal from the IF amplifier is applied to the 2nd mixer section of the FM IF IC IC2 pin 16 and is mixed with the 2nd LO signal to be converted into a 450 kHz 2nd IF sig nal The FM IF IC contains the 2nd mixer limiter amplifier quad rature detector and active filter circuits A 2nd LO signal 45 9 MHz is produced at the PLL circuit by tripling it s ref erence frequency The 2nd IF signal from the 2nd mixer IC2 pin 3 passes through a ceramic filter FI2 to remove unwanted hetero dyned frequencies It is then amplified at the limiter amplifi er IC2 pin 5 and applied to the quadrature detector IC2 pins 10 11 to demodulate the 2nd IF signal into AF signals 2nd IF filter 1 T 450 kHz dr 22 R86 C121 Fl2 17 x3 16 R87 Re8
58. l 8930050880 2251 spring holder 8930042350 1922 mic sheet 8930051300 2251 mic sponge 8930051290 2251 opt sheet 8930001340 1903 hex nut 8930050900 2251 window sheet 8930036751 Spring 8950005260 Ant connector 102 8830001250 Ant connector 101 8810009510 Screw M2 x 4 NI ZU 8810009560 Screw BT M2 x 6 ZK 8810000100 Screw M2 x 4 ZK 8930051330 2251 contact rubber 8930050800 2251 jack cap 8950005240 2251 contact spring 8860001210 2251 ANT rug 8510013020 2252 shield plate 8930007100 Aluminum sheet 8930042040 1922 Belt clip 8930051290 2251 OPT sheet wk sk lt sJ REC Q RB 2 2 35 1 sk sk MAIN UNIT ODER NO DESCRIPTION 5030001800 LM 7045B 2510001060 Speaker KO36NA500 47 8930051310 LCD contact SRCN 2251 SP N W 8510011111 1922 VCO case 1 8930050810 2251 LCD holder 8210016580 2251 reflector 8410002230 2078 PA heatsink 8510011180 1923 VCO cover 8930052270 Shield sponge d Screw abbreviations BO BT Self tapping PH Pan head FH Flat head BiH Bind head SUS Stainless NI Nickel ZK Black UNIT abbreviation C CHASSIS PARTS M MAIN UNIT Ls 2 MP33 C MP39 C oe MP3 C MP12 C MP32 C MP23 SB 26 C MP31
59. n in the U S A and other countries Microsoft and Windows are registered trademarks of Microsoft Corporation in the U S A and other countries Screen shots produced with permission from Microsoft Corporation All other products or brands are registered trademarks or trademarks of their respective holders ADJUSTMENT SOFTWARE S SCREEN DISPLAY EXAMPLE W CS F3G ADJ Rev 1 0 m Eile Option COM 1 OPEN Connect Reload F5 Disp para iMITCXO A D D A 4 VIN 189 BDh 7 41 1 Pa 2 TEMPS 186 BAh 30 35 s s 7 LVIN 98 62h 1 92V TA POW 99 63h 1 94V SD 5 0 00h 0 00V REF 102 66h 2 00 DTCS BL 140 8Ch 54 90 debi E Dev 103 67h 2 02V BDET eee SQL Lev 120 78h 47 06 6 38 RX Freq 160 500 TX Freq lt RF Power High Power 150 H Power LO 50 DTCS BAL 140 9 MOD 117 gt SQL 120 43 BPF ALL Enter Start BPF Ti 70 Enter to Sweep B BPF T2 104 Enter to Sweep BPF T8 112 Enter to Sweep T4 88 Enter to Sweep 43 gt Enter to Start NOTE The above values for settings are exam
60. ol 9H B1 EA B2 155355 Symbol XP6501 Symbol E1 E2 B2 1SV288 Symbol 1SV307 Symbol TX m 1T365 Symbol pink line pink DAN202K Symbol N A1 HVU350 Symbol 4 d E MA77 Symbol 4B _ MA8030 H Symbol 3 0 8056 Symbol 5 6 _ e RB706F 40 Symbol 3J gt SECTION9 BOARDLAYOUTS 9 1 MAIN UNIT TOP VIEW BOTTOM VIEW
61. pass filter control signals Input port for strobe signal from the CPU IC8 pin 15 Input port for clock signal from the CPU IC8 pin 12 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION When you adjust the contents on page 5 5 or 5 6 SOFTWARE ADJUSTMENT the optional CS F3G ADJ ADJUSTMENT SOFTWARE Rev 2 0 or later OPC 478 CLONING CABLE and a JIG CABLE see illustration at page 5 2 are required REQUIRED TEST EQUIPMENT EQUIPMENT GRADE AND RANGE 7 2 V DC 5 Aor more GRADE AND RANGE 300 3000 Hz 1 500 mV 40 or 50 dB 10 W or more EQUIPMENT Output voltage Current capacity Frequency range DC power supply Output level Audio generator Measuring range 1 10 W Frequency range 300 600 MHz Impedance 50 Q SWR Less than 1 2 1 Frequency range 0 1 600 MHz Frequency accuracy 1 ppm or better Sensitivity 100 mV or better DC 600 MHz 0 to 5 kHz 10 MQ V DC or better AC millivoltmeter Power attenuation Attenuator Capacity RF power meter terminated type 120 600 MHz 0 1 uV 32 mV 7127 to 17 dBm 50 kO V DC or better DC 20 MHz 0 01 20 V 10 10 V Frequency range Standard signal Output level generator SSG Frequency counter DC voltmeter Input impedance Frequency range Measuring range Frequency range Measuring range Oscilloscope FM deviation meter Digital multimeter Inpu
62. ple only Each transceiver has its own specific values for each setting 4 Transceiver s connection state 9 FM deviation 2 Reload adjustment data Squelch level 3 TCXO tag must check for FAG adjustment 41 Receive sensitivity automatically 4 Connected DC voltage 42 Receive sensitivity manually 5 PLL lock voltage 43 Reference frequency 6 Operating channel select Receive sensitivity measurement 7 RF output power 5 Adjustment items DTCS wave form O SPE O GND 3 conductor 3 5 d mm plug to IC FAGT GS SP jack cable lele OPC 478 CLONE CONNECTION Standard signal generator 0 1 uV to 32 mV 7 127 dBm to 17 dBm CAUTION DO NOT transmit while SSG is connected to the antenna connector to the antenna connector FM deviation meter Attenuator 40 dB or 50 dB gt RF power meter 0 1 10 W 50 Q Frequency counter DC POWER CABLE CONNECTIONS SOFTWARE ADJUSTMENT to SP to MIC to an RS 232C port OPC 478 JIG cable DC POWER SUPPLY DC POWER SUPPLY Soldering DC cable here Audio generator Personal computer 089 female plug incl level converter circuit Speaker 8 Q SINAD meter
63. t impedance Measuring range H SYSTEM REQUIREMENTS IBM PC compatible computer with an RS 232C serial port 38400 bps or faster Microsoft Windows 95 or Windows 98 Intel i486DX processor or faster Pentium 100 MHz or faster recommended At least 16 MB RAM and 10 MB of hard disk space 640x480 pixel display 800x600 pixel display recommend ed ADJUSTMENT SOFTWARE INSTALLATION NOTE Before using the program make a backup copy of the original disk After making a backup copy keep the orig inal disk in a safe place D Boot up Windows Quit all applications when Windows is running Insert the backup disk1 into the appropriate floppy drive Select Run from the Start menu Type the setup program name using the full path name then push the Enter key setup Follow the prompts 6 Program group CS F3G ADJ appears in the Programs folder of the Start menu STARTING SOFTWARE ADJUSTMENT D Connect IC FAGT GS and PC with the optional OPC 478 and the JIG cable 2 Boot up Windows and turn the transceiver power ON 3 Click the program group CS F3G ADJ in the Programs folder of the Start menu then CS F3G ADJ s window is appeared 4 Click the TCXO tag 5 Click Connect on the CS F3G s window then appears IC FAGT GS s up to date condition 6 Set or modify adjustment data as desired IBM is a registered trademark of International Bussiness Machines Corporatio
64. the VCO circuit Q7 Q8 The oscil lated signal is amplified at the buffer amplifiers Q6 Q5 and then applied to the PLL IC IC1 pin 2 The PLL IC contains a prescaler programmable counter programmable divider and phase detector etc The entered signal is divided at the prescaler and programmable counter section by the N data ratio from the CPU The divided signal is detected on phase at the phase detector using the refer ence frequency If the oscillated signal drifts its phase changes from that of the reference frequency causing a lock voltage change to compensate for the drift in the oscillated frequency A portion of the VCO signal is amplified at the buffer ampli fier Q4 and is then applied to the receive 1st mixer Q13 or transmit buffer amplifier circuit Q403 via the T R switch ing diode D3 D4 PLL CIRCUIT VCO circuit DEV signal from the D A convertor IC10 pin 22 when transmitting Loop filter 4 4 POWER SUPPLY CIRCUITS VOLTAGE LINE LINE DESCRIPTION The voltage from the attached battery pack The same voltage as the HV line battery volt age which is controlled by the power swtich VOL control Common 5 V converted from the VCC line by the reference regulator circuit IC6 The output volt age is applied to the CPU IC8 the 5 V regula tor circuit Q18 Q19 reset circuit IC11 and etc 5 V for transmitter circuits regulated by the T5 regula
65. tor circuit Q22 5 V for receiver circuits regulated by the R5 reg ulator circuit Q21 Common 5 V converted from the VCC line by the S5 regulator circuit Q18 Q19 The same voltage as the CPUS line for the optional HM 46L HM 75A or HS 51 through a resistor R132 D3 gt to transmitter circuit C u to 1st mixer circuit D4 detector 8 Phase Programmable counter Prescaler 45 9 MHz signal to the FM IF IC 17 x3 Shift register Programmable divider X4 15 3 MHz 3 4 5 PORT ALLOCATIONS 4 5 1 CPU IC8 Pin number Description Input port for battely voltage detection Input port for RESET signal Outputs reference oscillator for the CPU control signal Outputs clock signal to the PLL IC IC1 EEPROM IC7 etc Outputs strobe signals to the expander IC IC10 pin 6 Input port for the initial version sig nal Input port for the cloning signal Outputs the cloning signal Outputs strobe signals to the PLL IC IC1 pin 3 Input port for noise signals pulse type Outputs BUSY detection Low The channel is busy Input ports for the optional unit detec tion signal from J5 Output ports for key matrix Low When the key is pushed Outputs RX mute control signal Input port for the RX mute signal from optional units
66. z Noise Active detector E Limiter X4 15 3 MHz SQLIN signal to the lt FM D A convertor IC10 pin 23 detector IC2 TA31136F 10 C116 1 13 116 ist IF from the IF amplifier Q14 AF signal DET R83 w E R82 NOIS signal to the CPU pin 19 gw TC112 T C113 SD signal to the CPU pin 98 7 7 77 R5 4 1 5 AF CIRCUIT AF signals from the FM IF IC IC2 pin 9 are applied to the mute switch pin 1 via the AF filter circuit IC3b pins 6 7 The output signals from pin 11 are applied to the AF power amplifier IC5 pin 4 after being passed through the VOL control R143 The applied AF signals are amplified at the AF power ampli fier circuit IC5 pin 4 to obtain the specified audio level The amplified AF signals output from pin 10 are applied to the internal speaker SP1 as the SP signal via the SP jack when no plug is connected to the jack 4 1 6 SQUELCH CIRCUIT A squelch circuit cuts out AF signals when no RF signals are received By detecting noise components in the AF signals the squelch switches the AF mute switch A portion of the AF signals from the FM IF IC IC2 pin 9 are applied to the active filter section IC2 8 where noise components are amplified and detected with an internal noise detector The active filter section amplifies noise components The fil tered signals are rectified at the noise detector section and converted into NOIS
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