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SERVICE MANUAL

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1. I E CPU E CLONE T TA7368F 1F UNIT sw lt Q32 See Q1 UN9210 M38267M8L 219GP USA 3 only D1 MA2S111 M38267M8L 155GP Other gt NI SENS 22 b Ez IN _____ L _ SS TP96D96E20 15F10KA J SZ SZ SZ S LOGIC UNIT LCD INITIAL EEPROM KEY E o t 9 NT I Leno E DS4 LD BU4323J IC15 D6 MA2S111 X2508081 2 7 D7 MA28111 D8 MA2S111 T DATA BUS 10 1 SECTION 11 VOLTAGE DIAGRAM LOGIC UNIT SP1 CS028014 12 C166 C167 0 001 I l VIN DS4 LD BU4323J CLONEIN D1 MA2S111 REMOTE CLONEOUT C215 0 001 Q1 UN9210 C213 0 001 C214 0 001 C212 0 001 C211 0 001 R12 sth d 10k es Q42 UN9211 Q5 d5 4 2SB1132 q 3 1 4 E P IL ng N N 6 4 Di Ei 4 q 8 g 3 SEa 51515151 519 5 5 215 ore B ere mum 77 0 5 O O OO SO OO OO AS 0 0 0 0 0 9 0 0 0 9 9 0 0 0 0 0 0 0 D19 Szugzoortoraozo croruo 4 re 25111 4 cl zx 5938 Mo SHIFT A8 LOG A 48
2. 1 R218 100 k LOCK CTCOUT R44 R48 30 8 2k 390 k DTMF EEE A 010 250364 00 C36 C43 Ts C44 C45 0 01 0 01 1 SSSS812 B 1 5 LOCK d R301 R311 R321 R331 10k 10k 10k 10k R45 2 2 k R46 15 k KR3 C91 C92 C93 0 001 I 0 001 I 0 001 I Q30 UN9115 MONI KSO SGLO 0 SOLO 3 5 Roos 10k KS1 MC1 EM 123TH 2 D4 MA8051 H A D8 MA6S121 6 E gl KSD2 KS2 C130 R140 470P 33k s2 Q32 5 g I 2SB1 462 R R143 pee MA2S111 KS3 D6 MA2S111 C132 R145 0 047 220 k E ot E mI KS4 1 35 R 0 11 1 J1 08 6210 030 800 UNIT D722 1SV271 C402 0 001 sae 47401 5P 100 T VT 2 3 VT 124 1 94 UT 2 3 VT 3 9 UT 12 5 0 VR 0 VR 13 2 1 UR 0 UR 13 2 03155 Q305 28C5108 Y R316 C324 j prd D351 MA2S077 L203 3225 uH VCC2 1 R210 1 100 C321 R318 i Q201 2SC3356 R25 eee eee VT 0 72 0 001 100 i C856 1801 R354 D352 MA2S077 i i VR 0 72 0 001 BEN Seon C207 18 P 1 1 J302 J301 ress 19 100 c210 215 1 MSA 9230B 1 052064 T IMSA 9230B 1 22k K Q351 C206 10 4 1 I L205 0 001 05Z064 T R357 R355 Ww 26 5107 O o L202 7P L206 4 15 33 C858 18 1 R402 C407 1
3. 0 82 uH K 0 001 C212 82 C403 2 1402 6 001 I m C350 Q702 0 001 oot 47 60nH 9902177 0 001 I 0 001 D201 1 vour 0 001 D202 25077 0853 0703 2SB1132 RA MASUDIT 404 15 UT 07 S 75 680 2565108 Y ww 290095 1250221654 Q401 aub 8 cris 0 001 25077 R207 2SK3074 rel C862 C861 C863 N 4 0 001 0 001 1 L401 We 100 8 R403 J202 C730 D723 D724 27P 10P 0 001 8 eee 1 JT 330 2 T 0 TER IMSA 9230B 1 05Z003T 0 001 MA2S077 MA2S077 1 0 40 1 1 3TL 1 1 MP401 C308 0 75 P 2207 PA HEATSINK C323 I 0 001 C307 0 001 711 2 2SC5006 C306 I 0 001 D301 HVU350 Q301 R302 22k 23C5006 R863 330 k 2SA1588 GR R862 DUAL VCO BOARD N R 1 ET AAA 2NDLO 0 82uH Q356 0865 L C354 C855 C355 s Q204 0 001 22 22 0001 0 UN921L 2 4 7 pH W5 T D250 R358 MA8030H 100 C 3 0 Q250 2904081 0255 25B1462 C2360 001 R266 TBPS1R150K C359 0 001 R360 C356 250 R265 NJM2904M 220 I 0 001 D251 MA8043 L C859 C358 C368 ecl 47 P 47 P C366 C369 C370 C371 20P 22P IC851 UPD3140GS 0 001 0 001 OP C15 L9 L C4 J905 C732 0 001 La L2 C357 PSET R361 4 0352 VT 0 7 25 5107 ON 7 27 UR 0 8 15 R350 MA2S077 1k 0 001 16nH 39 T 100P 8P 53264 0690 30
4. 10 1790001260 S DIODE 25077 7030007270 S RESISTOR ERJ2GEJ 151 X 150 1790000840 S DIODE MA132WA TX 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 kQ 1790000840 S DIODE MA132WA 7030000140 S RESISTOR MCR10EZHJ 10 Q 100 1790001260 S DIODE 25077 7030000140 S RESISTOR MCR10EZHJ 10 Q 100 1790001260 S DIODE MA2S077 7030000140 S RESISTOR MCR10EZHJ 10 Q 100 1790001260 S DIODE MA2S077 7030005050 S RESISTOR ERJ2GEJ 103 X 10 1790001260 S DIODE MA2S077 7030005120 S RESISTOR ERJ2GEJ 102 X 1 iplo 51 i i N gt CD O NI Ui e E N s iE Lej IO 53 1790001260 S DIODE MA2S077 7030005330 S RESISTOR RRO816P 562 D 5 6 1790001260 S DIODE 25077 7030005330 S RESISTOR RRO816P 562 D 1790000850 S DIODE MA132WK TX 7030005090 S RESISTOR ERJ2GEJ 104 X 1790001260 S DIODE MA2S077 7030005060 S RESISTOR ERJ2GEJ 333 X 1790001260 S DIODE MA2S077 T 7030007270 S RESISTOR ERJ2GEJ 151 X 1790000860 S DIODE MA133 TX 7030004990 S RESISTOR ERJ2GEJ 221 X 1790001240 S DIODE MA2S728 TX 7030005070 S RESISTOR ERJ2GEJ 683 X 1790000670 S DIODE 5 07 03 7030007280 S RESISTOR ERJ2GEJ 331 X 330 7030007300 S RESISTOR ERJ2GEJ 332 X 3 3 kQ 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 kQ 2020001270 CERAMIC CFWM45
5. 273 7400 Fax 604 273 1900 Icom Australia Pty Ltd A C N 006 092 575 290 294 Albert Street Brunswick Victoria 3056 Australia Phone 03 9387 0666 Fax 03 9387 0022 Asia Icom Inc 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C Phone 02 2559 1899 Fax 02 2559 1874 Icom Europe GmbH Communication Equipment Himmelgeister Str 100 D 40225 D sseldorf Germany Phone 0211 346047 Fax 0211 333639 URL http www icomeurope com Icom Telecomunicaciones 5 1 Edificio Can Castanyer Crta Gracia a Manresa km 14 750 08190 Sant Cugat Del Valles Barcelona SPAIN Phone 93 589 46 82 Fax 93 589 04 46 E mail icom lleida com Icom UK Ltd Unit 9 Sea St Herne Bay Kent CT6 8LD U K Phone 01227 741741 Fax 01227 741742 URL http www icomuk co uk Icom France S a Zac de la Plaine Rue Brindejonc des Moulinais BP 5804 31505 Toulouse Cedex France Phone 561 36 0303 Fax 561 36 03 00 URL http www icom france com Count on us A 55511 S Icom Inc Printed in Japan 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan 1998 by Icom Inc
6. 7 5 kHz 60 dB Less then 15 kHz 6 dB Spurious and image rejection More than 60 dB More than 50 dB ratio More than 50 dB at 1 IF Audio output power at 13 5 V More than 500 mW at 10 distortion with an 8 Q load External speaker connector 3 conductor 3 5 mm 1 in 8 All stated specifications are subject to change without notice or obligation l lt tc __ LLI tc LLI Y lt tc tc LLI 2 LU O LU tc SECTION 2 INSIDE VIEWS e LOGIC UNIT AND 2F UNIT 2F UNIT LOGIC UNIT UHF band pass filter FI201 EFCH445MWN UHF RF amplifier Q201 2904226 CPU system clock X1 CR534 5 08MHz AF power amplifier IC151 2805226 CPU system clock IC1 M38267M8L 165GP Q51 2505226 Speaker 1st IF filter FI401 FL244 2nd IF filter 1101 450 Initial matrix Microphone amplifier lpf IC2 BA451 OF 3V regulater IC2 S 81335HG K Located under side of these points e 1F UNIT PA board TJ EP i CPU system clock Power amplifier IC1 M38267M8L 165GP Q402 2SK3075 n DUAL VCO board Drive amplifier Q401 25K3074 SECTION3 DISASSEMBLY INSTRUCTIONS e DISASSEMBLING PANELS e REMOVING 2F UNIT 1 Unscrew 4 screws A from the rear panel and 2 screws 1 Unscrew 1 screw from the 2F unit from the rear plate to separate front
7. A C1608 JB 1H 102K T A TEMSVB2 0J 476M 8R C1608 JB 1C 473K T A C1608 CH 1H 240J T A C1608 CH 1H 270J T A C1608 JB 1C 104KT N C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 152K T A C1608 JB 1C 104KT N C1608 JB 1C 393K T A S Surface mount LOGIC UNIT ORDER 4030011600 4030006870 4030009820 4030011600 4030011600 4030007130 4030011600 4030006900 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 6510018630 5010000160 5010000160 5010000150 5030001230 2220000560 2230000900 2510000840 8900005320 9045995030 0910047181 8930037201 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 CONNECTOR S LED S LED S LED LCD S SWITCH S SWITCH SPEAKER FFC WIRE PCB LCD CONTACT C1608 JB 1C 104KT N C1608 JB 1H 222K T A C1005 JB 1C 103K T A C1608 JB 1C 104KT N C1608 JB 1C 104KT N C1608 CH 1H 101J T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 J
8. DUAL VCO BOARD BOTTOM J302 FROM 1F UNIT FROM 1F UNIT 9 3 1F UNIT 1F UNIT TOP VIEW PA UNIT TOP VIEW UNIT BOTTOM VIEW PA UNIT BOTTOM VIEW SECTION 10 BLOCK DIAGRAM on DUAL V C R D 1 Q703 282216 ue 0705 2541588 D702 MA133 Q203 UN9210 D703 25111 WV us 5 ed Ey quo VT4 ar E 2 Y Q354 UN9210 BOARD DSZ MA2S077 Q357 UN9115 D354 MA132WA D202 MA2S077 Q202 T4 VOUT ANT E D201 MA2S077 LPF lt LPF K CTRL Q201 402 2SK307 Q204 UN921L SW 2603356 0701 25077 Sea D551 MA2S077 D552 MA2S077 DRIVE PWR D723 1SV308 AMP AMP D724 1SV308 A D722 18V271 A 0852 2504403 D352 MA2S077 T JR p EDT M 2503356 Q302 2505006 D301 HVU350 HVCO D302 MA2S077 ares mcs ee VTA x HVCO CTRL Q351 28C5107 X gen D353 MA2S077 RX sw D303 MA304 Y sp 0304 MA2S077 Q704 UN9211 Q306 D351 MA2S077 D725 1SV271 gt Q355 2SK880 T A E A m I 71 RX LO lee FREQUENCY I sss 0250 NIM2904M PLL IC 0251 MA8043 0250 2804081 1 301 TCAWS3FU 0301 25111 0253 DTC114TU Q305 UN9210 0302 25111 FREGUENCY dum D250 8030 Q306 UN9213 VERSION 2565107 _ 9307 1114 gt Quee i
9. L301 Adjustable via openings PLL lock voltage on the 2F unit P adjustment for ES e ULV vce VLV PLL lock voltage check PLL lock voltage check L303 PLL lock voltage adjustment for VHF DC POWER SUPPLY 13 5V 3A Located on the underside of the 1F unit RF POWER METER 10 W 50 FREQUENCY AUDIO GENERATOR COUNTER 300 3000 Hz 100 MHz 500 MHz 1 500 mV DC POWER SUPPLY 13 5 R302 VHF output power adjustment High R316 VHF output power adjustment Low R313 UHF output power adjustment Low R304 UHF output power adjustment High UHF frequency deviation adjustment R308 VHF frequency deviation adjustment R147 DTMF or Tone call deviation adjustment 5 2 RECEIVER ADJUSTMENT MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION VALUE POINT Displayed frequency Connect a digital Maximum DC voltage 2F Adjust in 145 000 MHz EUR multimeter or oscil 146 000 MHz Other loscope to the check point S sequence L53 L54 L55 e Connect an SSG to the antenna connector and set as 1 0 mV 47 dBm Modulation 1 kHz Deviation 43 5 kHz e Receiving e Displayed frequency Connect a digital 1 L102 445 000 MHz _ USA 3 multimeter or oscil 435 000 MHz Other loscope to the e Connect an SSG to the antenna check point 1 connector and set as 1 0 mV 47 dBm Modulation OFF e Recei
10. LVCO C19 C17 C18 C20 C21 O P16 O1 1 001 22 04 P17 47 co ee TAM den MM LVCO 4 ss S 80730SL AT hvco He Mice SHIFTS Ji 4 42 LIGHT IC1 41 BED IWI 40 ESO M38267M8L 219GP USA 3 E E Q M38267M8L 155GP Other I EB O d A d ise T 35 34 33 RESET 32 PTT O 82 pri C216 0 001 Br E 225 P73 28 J C217 0 001 e x P75 Q35 rm SEHR gt lt 2 gt I C200 0 001 oosxdiio2g8rp rcrcu a2zza anoomr 26 2 Y lt gt lt gt z P76 gt gt lt lt lt 9 9 9 6 9 6 6 z k 9 g z Z UN9215 Q34 Q36 C172 5 8 2 s 9 5 5 8 S 3 z UN9215 R215 0 1 62010001 ct n n oanncadaaaaaancaaaaaaaa a UN9215 UN9215 82k C205 lt R223 0 001 R183 2 R184 R185 R208 C202 0 001 47k 100 100 100 100 R211 eola 5 5 fo 1 5 5 Fe 5 8 a 2 Q o rj r a o C204 Tes a 1 1 o 0 001 052 L MR R240 C180 C169 C174 0 01 LNJ310M6URA 120k 0 1 0 0015 0 039 PET I ksa y DS1 DIST C178 C175 0 1 J LNJ310M6URA d LLL LL llo ks C173 R219 HH ng ECS 00022 52M HEHE
11. SE Asia Rx 118 174 430 MHz 440 MHz Italy 136 MHz 174 MHz 400 MHz 470 MHz Guaranteed frequency range 1144 MHz 148 MHz 440 MHz 450 MHz 430 MHz 440 MHz Mode F3 F2 Frequency stability 30 C to 50 C 32 F to 122 F Tuning steps 5 10 12 5 15 20 25 30 or 50 kHz BNC 60 External DC power 4 5 to 16 V DC 5 pom High power 1 6 A typical 1 6 A typical 0 6 A typical 0 7 A typical 180 mA typical 190 mA typical In x Low power Rated audio at 13 5 V J x Current dra Power saved at 9 6 V Usable temperature range 10 C to 60 14 F 140 F Dimensions 57 W x 110 H x 27 D mm 21 4 W x 4546 H x 1146 D inch with BP 170 Projections not included 57 W x 122 H x 29 D mm 21 4 W x 41346 H x 19 2 D inch with BP 173 180 16 mA typical 18 mA typical 285 g 10 1 oz with 170 and dry cell batteries Weight 320 g 10 8 oz with BP 180 405 g 10 8 oz with BP 173 RF output power High 6 0 W High 6 0 W at 13 5 V DC Low 0 5 W Low 0 5 W Modulation system Variable reactance frequency modulation Max frequency deviation 5 0 kHz External mic connector 3 conductor 2 5 mm Wo 2 Double conversion super heterodyne Intermediate frequencies 1st 45 150 MHz 2nd 450 kHz Sensitivity Less than 0 16 typical for 12 dB SINAD Squelch sensitivity Less than 0 18 Selectivity More than
12. T A C1005 JB 1E 102K T A IL WX 30SB VF B E1000 08 6210 030 010 800 52365 0690 B 5216A M38267M8L 219 GP USA 3 only M38267M8L 155 GP Other S 81335HG KI T1 S 80730SL AT T1 BA4510F T1 NJM2904M T 1 X25080SI 2 7T6 UN9210 TX XP1501 TX AB 28B1132 T100 28J364 Q TX XP6501 TX AB UN9115 TX UN9211 TX 28B1462 R TX UN9211 T S Surface mount LOGIC UNIT ORDER ORDER E E om Bt C SU De Dr rt 1590001860 S TRANSISTOR 1590001690 S TRANSISTOR 1790001250 1790001250 1790000990 1790001250 1790001250 1790001200 1160000050 1750000240 1750000220 1750000240 1790001250 1160000050 1750000240 1790001250 1790001250 6050009620 7030003580 7030003560 7030003560 7030003560 7030003800 7030003520 7030003630 7030003630 7030003550 7030003480 7030003580 7030003700 7030003750 7030003620 7030003440 7030003440 7030003440 7030003560 7030003720 7030003400 7310002600 7030003540 7030003320 7030003590 7030003650 7030003650 7030003710 7030003640 7030003520 7030003680 7030003520 7030003610 7030003700 7030003200 7030003320 7030003760 7030003320 7030003320 7030003320 7030003760 7030003800 7030003520 7030003680 7030005840 7030005840 7030003760 7030003680 7030003720 7030003320 7030005840 7030003560 7030003760 7030003670 7030003670 7030003670 S DIODE S DIODE S ZENER S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DI
13. T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E 020B T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E 150J T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E 050C T A C1005 CH 1E 2R5B T A C1608 JB 1E 103K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A 2F UNIT 121 CU e VERD nei oni I INIO 4030009810 4030011320 4030006860 4030006860 4030009810 4030006860 4030011660 4030011660 4030011660 4030009720 4030011650 4030009700 4030009810 4030009810 4030009810 4030009810 4030009710 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030006860 4030009810 4030006860 4030006860 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 6510018480 6510018630 6510018180 0910051211 LOGIC UNIT ORDER BPE onem 1140007770 1140005840 1180001240 1110003380 1110004110 1110002700 1140005620 1590001140 1590001170 1520000460 1550000010 1590001190 1590001690 1590001150 1520000430 1590001860 1590001860 1590001860 1590001470 1590001150 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 CERAM
14. amplifier PA board Q401 via the other band switch D201 and D701 The applied RF signal from the band switch is amplified at a drive amplifier Q401 and then amplified again at the power amplifier Q402 The amplified RF signal is passed through the low pass fil ter VHF or high pass filter UHF and then applied to the antenna connector via the transmit receive switching circuit Q51 D52 and Q202 are for VHF D551 D552 D722 D724 and Q204 are for UHF 4 2 4 APC CIRCUIT 1F AND 2F UNITS The APC circuit stabilizes transmit output power and selects HIGH and LOW output power The APC circuit consists of APC sensor APC control 1F unit and APC set 2F unit cir cuits The APC sensor circuit 1F unit R250 detects a driving cur rent from a drive voltage at the PA board The detected cur rent is applied to the ope amplifier IC 1F unit IC250 pin 2 in the APC control circuit and compared with a PSET volt age which is supplied from the APC set circuit 2F unit IC301 The output voltage from pin 1 of IC250 is applied to the APC control circuit 1F unit Q255 base to control VGGC voltage The VGGC APC control signal is separated for VHF VGG1 and UHF VGG2 by resistors The VGG1 line is for the APC control signal for the drive amplifier and the VGG2 line is for the power amplifier Low output power is obtained by changing the PSET volt age coming from pin 1 of IC301 on the 2F unit The PSET volt
15. 0 4030009810 4030009810 4030011600 4030009740 4030006860 4030011600 4030009800 4030009800 4030009810 4030009820 4030009810 4030009810 4030008920 4030009770 4030011600 4030009820 4030009820 4030008920 4030009000 4550003290 4030009810 4030011600 4510005370 4030008920 4550003080 4030011320 4030009810 4510004640 4550003290 4030009810 4030006860 4510007120 4030009810 4030009810 4030009810 4030011300 4030009740 4030009810 4030009810 4030009810 4030009770 4030009810 4030009810 4030009810 4030009810 4030009810 4030011660 4030009810 4030009810 4030009810 4030009810 4030009810 4030009760 4030009810 4030009810 4030009700 4030011670 4030006900 4030009810 4030009810 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 TANTALUM S CERAMIC S CERAMIC S ELECTHRHOLY TIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S ELECTROLYTIC S TANTALUM S CERAMIC S CERAMIC S ELECTROLYTIC 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 CERAM
16. 0 4030011640 4030011640 4030011660 4030011640 4030009720 4030011630 4030009730 4030011650 4030011700 4030009810 4030011670 4030009770 4030009700 4030009780 4030011660 4030009760 4030009810 4030009810 4030009810 4030009770 4030009780 4030009750 4030006860 4550006470 4030009710 4030009830 4030006860 4550006470 4030006860 4030009810 4030006860 4030009810 4030006860 4030009810 4030009810 4030006860 4030006860 4030009810 4030009810 4030006860 4030006860 4550006050 4030006860 4550006050 4030009810 4030009810 4030009810 4030009810 4550006120 4030009810 4030009810 4030009810 4030009810 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 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 5 TANTALUM S CERAMIC S CERAMIC 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 TANTALUM S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CER
17. 0 kHz Detector P P 2 Output power High Transmitting 2 Displayed frequency 4 3 kHz 445 000 MHz USA 3 435 000 MHz Other Output power High Transmitting DTMF 1 Displayed frequency Connect 3 5 kHz LOGIC R147 DEVIATION 445 000 MHz USA 3 panel deviation meter to 435 000 MHz SEA the antenna con Push D key while transmitting nector through an attenuator ADJUSTMENT CONDITION 1F oscilloscope to the Hi V LV Transmitting 0 9V 1 7V Transmitting 1 Displayed frequency Top Connect an FM 435 000 MHz panel deviation meter to Push TONE key while transmit the antenna con ting nector through an attenuator ADJUSTMENT MEASUREMENT VATUE POINT UNIT LOCATION UNIT ADJUST Connect a digital 1 3 V DUAL multimeter or an VCO USA 3 Other Connect a digital 2 2 V multimeter or an osciloscope to the ULV 19 25V Top Loosely couple a 445 0000 MHz USA 3 panel frequnecy counter USA 3 Other to the antenna con 435 0000 MHz nector Other Connect an RF 5 5 W 2F panel power meter to the antenna connector 0 5 W 5 5 6 0 W USA 3 Other 0 5 W C369 R308 R314 FM 4 3 kHz R147 e 1F UNIT e 2F UNIT e LOGIC UNIT FREQUENCY COUNTER 100 MHz 500 MHz C369 point for UHF point for VHF PLL frequency adjustment x
18. 0011670 S CERAMIC 4030011670 S CERAMIC 4030009810 S CERAMIC 4030009810 S CERAMIC 4030009810 S CERAMIC 4030011720 S CERAMIC 4030009810 S CERAMIC 4030009780 S CERAMIC 4030009810 S CERAMIC 4030011670 S CERAMIC 4030011670 S CERAMIC 4030009810 S CERAMIC 4030009810 S CERAMIC 4030009810 S CERAMIC 4030011720 S CERAMIC 4030009770 S CERAMIC 4030009810 S CERAMIC 4030009810 S CERAMIC 4030009810 S CERAMIC 4030009810 S CERAMIC 4030009810 S CERAMIC C1005 CH 1E 270J T A C1005 CH 1E 240J T A C1005 CH 1E 2R5B T A C1005 CH 1E 2R5B T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E R75B TOOOP C1005 JB 1E 102K T A C1005 CH 1E 270J T A C1005 JB 1E 102K T A C1005 CH 1E 2R5B T A C1005 CH 1E 2R5B T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E R75B TOOOP C1005 CH 1E 220J T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A 1560001100 S FET 1560001060 S FET 2SK3074 TE12L 2SK3075 TE12L 6200005670 S COIL 6200008830 S COIL 6200005600 S COIL 6200008480 S COIL 6200008220 S COIL 6200008870 S COIL ELJRE 12NG F 0 20 1 0 12TL 60N ELJRE 3N3Z F 0 30 1 4 5TR 25N 0 40 1 4 5TR 21N 0 40 1 1 3TL 7030004980 S RESISTOR 7030004970 S RESISTOR 7030003380 S RESISTOR ERJ2GEJ 101 X 100 Q ERJ2GEJ 470 X 47 ERJ3GEYJ 331 V 330 4030009760 S CERAMIC 403000
19. 030005110 7030007280 7030005050 7030005030 7030005010 7030005090 7030005050 7030007280 7030005090 7030005240 7030005090 7030005040 7030005040 7030005530 7030005050 7030004980 S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S HESISTOR 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 THERMISTOR 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 RESISTOR S RESISTOR MLF1608A 4R7K T MLF1608A 4R7K T MLF1608D R82K T MLF1608D R82K T 0 30 1 0 4TR 12N 0 30 1 0 4TR 12N LL1608 F15NK NLH252018T 012J 12N LL1608 F18NK LQN21A R22J04 LQN21A R22J04 LQN21A R22J04 ELJRE R10G F EXCCL3225U1 EXCCL3225U1 ERJ2GEJ 151 X 150 Q ERJ2GEJ 101 X 100 Q ERJ2GEJ 151 X 150 Q ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 100 X 10 9 ERJ2GEJ 153 X 15 kQ ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 101 X 100 Q ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 101 X 100 Q ERJ1WRSJR
20. 030006860 4510005900 4030006860 4030006900 4550006120 4030011600 4030006860 4550006780 4030008920 4030006860 4030006870 4030006860 4030011600 4030006900 4030006900 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009810 4030009800 4030006900 4030008920 4550003290 4030009000 4030006850 4030006860 4030006880 4030006850 4550003290 4030006860 4030007140 4030006880 4030006870 4030010040 4030006860 4550006780 4030008920 4030009650 4030007060 4030011600 4030006860 4030006860 4030006860 4030009980 4030011600 4030008910 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 RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC 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 TANTALUM 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 TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC ERJ3GEYUJ
21. 0670 1530002560 1590001690 1590001140 1790001260 1790001260 1790001260 1790001260 1790001260 1790001260 1730002260 211790001010 1790001260 1790001260 1790001260 1790000840 1790001260 1790001260 1790001260 1790000860 1790001250 1750000530 1790001260 1790001260 1750000530 1750000540 6050009430 6200007790 6200008250 6200008760 6200004350 6200004350 6200008240 6200008850 6200008770 6200005890 6200008830 6200005900 6200004480 6200005910 6200005910 6200004480 6200005930 6200003590 6200003590 6200004480 6200005690 S IC S IC S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S ZENER S ZENER S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE XTAL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL S COIL NJM2904M T1 uPD3140GS E1 DS8 2503356 R25 T2B 2SA1588 GR TE85R UN9210 TX UN921L TX 2504081 T107 S DTC114TUA T106 28B1462 R TX 25 5107 TE85R 25 5107 TE85R UN9115 TX UN9210 TX 2SK880 Y TE85R 25 4081
22. 0E 7510000960 S THERMISTOR TBPS1R104K475H5Q 2040001000 S SAW EFCH435MWNP1 7030006020 S RESISTOR RRO510P 682 D 6 8 kQ EUR ITA SEA 7310003590 S TRIMMER EVM 1XSX50 B24 203 2040001020 S SAW EFCH445MWNP1 USA 3 7030005070 S RESISTOR ERJ2GEJ 683 X 68 kQ 2010001960 MONOLITH 45M15AM FL 244 7310003590 S TRIMMER EVM 1XSX50 B24 203 7030005240 S RESISTOR ERJ2GEJ 473 X 47 kQ 7030005170 S RESISTOR ERJ2GEJ 474 X 470 kQ 6150004920 S COIL LS 518 7310003630 S TRIMMER EVM 1XSX50 BQ4 473 6150004920 S COIL LS 518 7030005530 S RESISTOR ERJ2GEJ 100 X 100 6150004920 S COIL LS 518 7030005050 S RESISTOR ERJ2GEJ 103 X 10 6200002710 S COIL ELJFC 1R8K F 7030009290 S RESISTOR ERJ2GEJ 562 X 5 6 kQ 6150004840 S COIL LS 510 7030005240 S RESISTOR ERJ2GEJ 473 X 47 kQ 6200004370 S COIL LL1608 F15NK 7310003610 S TRIMMER EVM 1XSX50 B14 103 6200004380 S COIL LL1608 F18NK 7310003630 S TRIMMER EVM 1XSX50 BQ4 473 6200004360 S COIL LL1608 F12NK 7030005050 S RESISTOR ERJ2GEJ 103 X 10 6200004360 S COIL LL1608 F12NK 7310003610 S TRIMMER EVM 1XSX50 B14 103 6200006980 S COIL ELJRE R10G F 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 kQ 6200004340 S COIL LL1608 F6N8K 7030005090 S RESISTOR ERJ2GEJ 104 X 100 6200002710 S COIL ELJFC 1R8K F 7030005580 S RESISTOR ERJ2GEJ 560 X 56 Q 6200004370 S COIL LL1608 F15NK 7030005600 S RESISTOR ERJ2GEJ 273 X 27 kQ 6200004350 S COIL LL160
23. 1 ERJ3GEYJ 102 V 1 ERJ3GEYJ 102 V 1 ERJ3GEYJ 103 V 10 ERJ3GEYJ 224 V 220 ERJ3GEYJ 471 V 470 RV 110 RHO3A3AS4X0AA 473 ERJ3GEYJ 682 V 6 8 kQ ERJ3GEYJ 101 V 100 ERJ3GEYJ 183 V 18 kQ ERJ3GEYJ 563 V 56 kQ ERJ3GEYJ 563 V 56 kQ ERJ3GEYJ 184 V 180 ERJ3GEYJ 473 V 47 kQ ERJ3GEYJ 472 V 4 7 kQ ERJ3GEYJ 104 V 100 ERJ3GEYJ 472 V 4 7 kQ ERJ3GEYJ 273 V 27 ERJ3GEYJ 154 V 150 ERJ3GEYJ 100 V 10 ERJ3GEYJ 101 V 100 ERJ3GEYJ 474 V 470 kQ ERJ3GEYJ 101 V 100 Q ERJ3GEYJ 101 V 100 ERJ3GEYJ 101 V 100 ERJ3GEYJ 474 V 470 ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 472 V 4 7 kQ ERJ3GEYJ 104 V 100 RRO510R 473 D 47 RRO510R 473 D 47 kQ ERJ3GEYJ 474 V 470 ERJ3GEYJ 104 V 100 ERJ3GEYJ 224 V 220 ERJ3GEYJ 101 V 100 RR0510R 473 D 47 ERJ3GEYJ 103 V 10 ERJ3GEYJ 474 V 470 ERJ3GEYJ 823 V 82 ERJ3GEYJ 823 V 82 ERJ3GEYJ 823 V 82 ON II LOGIC UNIT 7030003800 7030003680 7030003840 7030003560 7030005520 7030005970 7030003520 7030003800 7030003680 7410000710 7030003800 7030003800 7030005110 7030005110 7030005110 7030005110 7030003690 7030003680 7030003760 7030003560 7030003560 7030003560 7030003560 4030009810 4030011600 4
24. 105 V 1 MO ERJ3GEYUJ 104 V 100 kQ ERJ3GEYUJ 225 V 2 2 MO ERJ3GEYUJ 103 V 10 kQ RR0816R 334 D 330 RRO816R 683 D 68 ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 105 V 1 ERJ3GEYJ 104 V 100 EXB V8V 224JV 220 kQ ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 105 V 1 MQ ERJ2GEJ 224 X 220 kQ ERJ2GEJ 224 X 220 kQ ERJ2GEJ 224 X 220 kQ ERJ2GEJ 224 X 220 kQ ERJ3GEYJ 124 V 120 ERJ3GEYJ 104 V 100 ERJ3GEYJ 474 V 470 ERJ3GEYJ 103 V 10 EUR only ERJ3GEYJ 103 V 10 ITA only ERJ3GEYJ 103 V 10 SEA only ERJ3GEYJ 103 V 10 USA 3 only C1005 JB 1E 102K T A C1608 JB 1C 104KT N C1608 JB 1H 102K T A ECEVOGA101SR C1608 JB 1H 102K T A C1608 JB 1E 103K T A TEMSVA 0G 226M 8L C1608 JB 1C 104KT N C1608 JB 1H 102K T A TEMSVB2 09 476M 8R C1608 JB 1C 473K T A C1608 JB 1H 102K T A C1608 JB 1H 222K T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1608 JB 1E 103K T A C1608 JB 1E 103K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 471K T A C1608 JB 1E 103K T A C1608 JB 1C 473K T A TESVA 0G 475M1 8L C2012 JB 1C 224K T A C1608 JB 1H 471K T A C1608 JB 1H 102K T A C1608 JB 1H 472K T A C1608 JB 1H 471K T A TESVA 0G 475M1 8L C1608 JB 1H 102K T A C1608 CH 1H 121J T A C1608 JB 1H 472K T A C1608 JB 1H 222K T A C1608 JB 1H 561K T
25. 144 146 144 146 Q310 UN9210 430 440 430 440 Q101 Fl401 FI201 EFCH445MWN USA 3 136 174 136 174 IF IC ee 0202 2864403 EFCH435MWN other l ITA 400 470 400 470 45 6 2 TAS m 144 148 118 174 TA31136FN lt kk 4 USA 3 430 450 400 470 Q201 140 150 118 174 D53 MA304 051 2905226 430 440 430 440 D54 MA304 052 28C4403 D52 MA304 a re A US ELM UT V Q901 2SB1132 LIMIT D903 MA2S728 D902 MA133 lt 4 lt 1 0902 HAT1024R D904 5 07 03 04 1501 D55 1SV271 Q5 25A1588 D901 RBO60L 40 D402 MA132WA REVERS VOLT PROTECT Q403 UN9115 D400 MA2S077 D203 MA2S077 RX LO VERSION FREQUENCY 189 15 191 15 384 85 394 85 Q12 m UN XP6501 Q10 25J364 181 15 219 15 EM 123TH m 354 85 424 85 MIC MUTE 163 15 219 15 S2 JPM1990 2013R ost AN 2F UNIT Domo MD 163 15 219 15 UN9211 k fe nr 384 85 394 85 3E TECT Q4 XP1501 Q5 2981132 D4 Q40 UN9213 34 UN9215 DS1 LNJ310M6URA A MA8051 IC2 S 81335HG KI D3 MA2S111 2 UN9215 DS2 LNJ310M6URA 0151 2SB1201 REMOTE Q30 5 039MHz Q152 XP1501 UN9115 2 CR LED gt 1 534 VCC O DRIVER gt VCC 2 gt REG LIGHT A S 80730SL AT 2 Q36 UN9215 093 042 UN9211 o D19 25111 QE UNSETS IDEA x DRIVER ly IC151
26. 15U 0 15 ERJ2GEJ 683 X 68 ERJ2GEJ 473 X 47 kQ ERJ2GEJ 153 X 15 ERJ2GEJ 103 X 10 ERJ2GEJ 101 X 100 Q ERJ2GEJ 105 X 1 MO ERJ2GEJ 223 X 22 kQ ERJ2GEJ 103 X 10 ERJ2GEJ 222 X 2 2 ERJ2GEJ 472 X 4 7 kQ TBPS1R154K475H5Q ERJ2GEJ 153 X 15 ERJ2GEJ 100 X 10 9 ERJ2GEJ 102 X 1 kQ ERJ2GEJ 104 X 100 kQ ERJ2GEJ 104 X 100 kQ ERJ2GEJ 330 X 33 Q ERJ2GEJ 102 X 1 kQ ERJ2GEJ 102 X 1 kQ ERJ2GEJ 390 X 39 ERJ2GEJ 152 X 1 5 kQ ERJ2GEJ 223 X 22 ERJ2GEJ 330 X 33 Q ERJ2GEJ 150 X 15 Q ERJ2GEJ 150 X 15 Q ERJ2GEJ 101 X 100 Q ERJ2GEJ 473 X 47 ERJ2GEJ 221 X 220 ERJ2GEJ 470 X 47 Q ERJ2GEJ 154 X 150 kQ ERJ2GEJ 224 X 220 kQ ERJ2GEJ 224 X 220 kQ ERJ2GEJ 331 X 330 ERJ2GEJ 103 X 10 ERJ2GEJ 152 X 1 5 kQ ERJ2GEJ 681 X 680 Q ERJ2GEJ 104 X 100 kQ ERJ2GEJ 103 X 10 ERJ2GEJ 331 X 330 Q ERJ2GEJ 104 X 100 kQ ERJ2GEJ 473 X 47 kQ ERJ2GEJ 104 X 100 kQ ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 100 X 10 9 ERJ2GEJ 103 X 10 ERJ2GEJ 101 X 100 Q S Surface mount 1F UNIT ORDER ORDER 7030004980 7030005040 7030004970 7030005530 7030007260 7030005050 7030007270 7030005240 7030005530 7030007270 7030005050 7030005710 7030005220 7030004980 7030005060 7030005230 7030005240 7030005290 7030007300 7030005010 7030003390 4030009720 4030010250 4030009710 4030010280 403000976
27. 1600 LCD holder 1810 PTT plate Screw FFH BT No 0 2 x 3 5 NI ZU 1600 ground plate 1600 SP sheet 1810 front panel 1810 lock button 1810 LOGIC rug Speaker CS028014 12 ANTENNA FA 1443B ANTENNA FA B270C BATTERY CASE BP 170 BATTERY PACK BP 173 BATTERY PACK BP 180 USA 3 other SEA USA 3 EUR ITA CHERGER BC 110A CHERGER BC 110D USA 3 EUR ITA Handstrap HK 005 752 belt clip Antenna for U S A version differs from that shown above P cl MP16 L LOGIC UNIT MP1 L EP2 L J1 C x MP2 1F MP401 PA J902 1F MP28 C J901 1F 1F UNIT MP29 C UNIT abbreviation CHASSIS PARTS L LOGIC UNIT PA PA UNIT D DIAL VCO UNIT 1F 1F UNIT SECTION 8 SEMI CONDUCTOR INFORMATION e TRANSISTOR AND FET S 2SA1588 GR 2SB1132 R 2SB1201 S 2SB1462 R Symbol ZG Symbol BARB Symbol B1201 Symbol BR d 25 4081 S 25C4215 O 25 4226 R25 25 4228 R45 Symbol BS Symbol QO Symbol R25 Symbol R45 dap dtp 25 5006 25 5107 25 5108 25 5226 4 Symbol 24 Symbol MFO Symbol MC Symbol LN4 dh 9 7 2SJ346 Q 2SK880 Y 2SK3074 2SK3075 Symbol 4MQ Symbol XY Symbol UW Symbol UB E fp Tp 3 55 HAT1024 R UN9114 UN9115 UN9210 Symbol 1024 Symbol 6D Symbol 6E Symbol 8L Fe de d UN9213 UN9215 UN921L XP1114 Sy
28. 2 10P URE q lt Ey BTvcc 528x820 C205 1203 BTVCC 82875 co V qp en mn Em c i 1SV271 c12 CUM Cie C501 202 uis Q201 rc T 47 2SC4403 3 2SC4226 R25 0601 T 9 D604 D603 C609 C608 C607 MA2S077 MA2S077 MA2S077 2P 2P 2P 15 nH Q601 I D602 C601 R113 C114 m 25077 25 4228 Ras w m WEE MA28077 C604 GND R610 R606 0 001 22k 22k C614 Q Q Q 0 001 R603 lt R602 531 3 TC4S66F 2 S 33k 52365 0690 22 nH Q101 XP1115 C611 1 5 P 25C4215 612 C610 o o C622 C621 0 001 0 001 Ret 10k MA2S077 R6410k tare MASS R63 10 k VT 0 MA2S077 69 MA2S077 R62 6 C72 C71 I VR15 0 001 VER C54 I 6P T T I 9P ee Q52 VR 0 9 10P 15 518 25 4403 3 R51 68 k C68 2 0 001 poses D54 D53 C55 0 001 Lae MA304 4 VT 0 D Ta vR 23 Q51 L53 LS 518 055 1SV271 5 518 25 5226 4 E en el dar I C60 ix D52 MA304 R57 0 001 C59 R52 100 k C63 47 C61 d 33k 0 00 C66 15P 0 001 I 2 C58 0 001 I C414 0 001 I 0 001 DETO SD Q404 UN9115 Q901 2SB11 IC151 TA7368F R903 22 R904 22 C914 T Q5 2SA1588 GR E 800 3 C155 0 001 XP1501AB 2 2 INTSP AFON PLST PLCK PDA UL REMOTE DICK DIUD SQRO 5 7 SQLO 0 Q902 LVCO 3
29. 2K T A C1005 JB 1E 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A TEMSVA 0J 106M8L C1608 JB 1H 102K T A TEMSVA OJ 106M8L C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A TEMSVA 0G 226M 8L C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A 330 kQ 1F UNIT 4030011600 4030009810 4550000530 4550003080 4030009810 4030011320 4030011320 4030011320 4610002140 4030009770 4030010280 4030006860 4030006860 4030009730 4030009810 4030009710 4030011680 4030009710 4030011700 4030009780 4030009710 4030009740 4030009720 4030009810 4030009810 4030009700 4030006860 4550002890 4030009810 4030006860 4030009700 4030009810 4030009700 4030009810 4030009810 4030009810 4030009810 4030009810 4030011320 4030009810 4030009810 4030009810 4030009810 4030011600 4550006120 4030009810 4030009810 4030009810 4030009810 4030011600 4030009810 4550000530 4030009810 4550002960 4030009810 4030006860 4030006860 4030007090 4030006860 4030006860 4030006860 4030006860 4550006050 4510004630 4030009810 4030009810 4030009810 4030009810 6910003840 6910003840 6450000130 6450001060 6450000870 6510018470 6510017630 600000190 S CERAMIC S CERAMIC S TANTALUM S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TRIMMER S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAM
30. 8 F10NK 7030005570 S RESISTOR ERJ2GEJ 820 X 82 Q 6200004350 S COIL LL1608 F10NK 7030005710 S RESISTOR ERJ2GEJ 121 X 120 6200004390 S COIL LL1608 F22NK 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 kQ 6200004390 S COIL LL1608 F22NK 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 kQ 6200004400 S COIL LL1608 F47NK 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 7030005120 S RESISTOR ERJ2GEJ 102 X 1 7030005010 S RESISTOR ERJ2GEJ 681 X 680 Q 7030005050 S RESISTOR ERJ2GEJ 103 X 10 7030005000 S RESISTOR ERJ2GEJ 471 X 470 Q 7030005070 S RESISTOR ERJ2GEJ 683 X 68 kQ 7030005310 S RESISTOR ERJ2GEJ 124 X 120 kQ 5 6 kQ 100 kQ 33 kQ 150 Q 220 Q 68 kQ 7030005090 S RESISTOR ERJ2GEJ 104 X 100 7030005530 S RESISTOR ERJ2GEJ 100 X 10 Q 7030005590 S RESISTOR ERJ2GEJ 680 X 68 Q 7310003590 S TRIMMER EVM 1XSX50 B24 203 7030004980 S RESISTOR ERJ2GEJ 101 X 100 Q 7030007340 S RESISTOR ERJ2GEJ 153 X 15 7030007280 S RESISTOR ERJ2GEJ 331 X 330 7510001040 S THERMISTOR TBPS1R153K460H5Q 7030005050 S RESISTOR ERJ2GEJ 103 X 10 ko 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 kQ 7030005060 S RESISTOR ERJ2GEJ 333 X 33 kQ 7030007300 S RESISTOR ERJ2GEJ 332 X 3 3 kQ 7030004970 S RESISTOR ERJ2GEJ 470 X 47 Q 7030005220 S RESISTOR ERJ2GEJ 223 X 22 kQ 7030005090 S RESISTOR ERJ2GEJ 104 X 100 7030007280 S RESISTOR E
31. 9810 S CERAMIC C1005 CH 1E 150J T A C1005 JB 1E 102K T A 4030009810 4030009810 4030009780 4030009810 4030009810 4030014520 4030016720 4030004720 4030007010 S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E 270J T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A GRH708 CH 200J 200PT GRH708 CH 560J 100PT C2012 JB 1H 102K T A C1608 CH 1H 102K T A 6510018640 CONNECTOR 6510018640 CONNECTOR 0910051194 PCB IMSA 9230B 1 05Z064 T IMSA 9230B 1 05Z064 T B 4731D 0910051222 PCB B 5218B 2F UNIT 1110003490 S IC 1130004200 S IC 1110001810 S IC 1130006220 S IC 1110003370 S IC TA31136FN D EL TC4S66F TE85R TA7368F TP1 TC4W53FU TE12L uPC2748T E3 IOg Ou OI CJ OI guai RIA N 1530003260 S TRANSISTOR 1530003260 S TRANSISTOR 1530003320 S TRANSISTOR 1530003320 S TRANSISTOR 1530003320 S TRANSISTOR 25 5006 1 25 5006 1 25 5108 TE85R 2SC5108 Y TE85R 25 5108 TE85R 1590001170 S TRANSISTOR 1510000670 S TRANSISTOR 1530003430 S TRANSISTOR 1530002560 S TRANSISTOR 1590001690 S TRANSISTOR 1530002600 S TRANSISTOR 1590001170 S TRANSISTOR 1540000350 S TRANSISTOR 1540000350 S TRANSISTOR 1590001690 S TRANSISTOR 1520000650 S TRANSISTOR 1590001170 S TRANSISTOR 1530002920 S TRANSISTOR 1530002560 S TRANSI
32. AMIC S CERAMIC S CERAMIC S CERAMIC ERJ2GEJ 101 X ERJ2GEJ 472 X ERJ2GEJ 470 X ERJ2GEJ 100 X ERJ2GEJ 330 X ERJ2GEJ 103 X ERJ2GEJ 151 X ERJ2GEJ 473 X ERJ2GEJ 100 X ERJ2GEJ 151 X ERJ2GEJ 103 X ERJ2GEJ 121 X ERJ2GEJ 223 X ERJ2GEJ 101 X ERJ2GEJ 333 X ERJ2GEJ 334 X ERJ2GEJ 473 X ERJ2GEJ 682 X ERJ2GEJ 332 X ERJ2GEJ 681 X 100 9 4 7 47 10 Q 33 Q 10 kQ 150 Q 47 kQ 10 Q 150 Q 10 kQ 120 Q 22 kQ 100 0 33 kQ 47 kQ 6 8 kQ 3 3 kQ 680 Q OOO ERJ3GEYJ 391 V 390 C1005 CH 1E 080D T A C1005 CH 1E 101J T A C1005 CH 1E 070D T A C1005 CH 1E 390J T A C1005 CH 1E 150J T A C1005 CH 1E 010B T A C1005 CH 1E 010B T A C1005 CH 1E 020B T A C1005 CH 1E 010B T A C1005 CH 1E 080D T A C1005 CH 1E OR5B T A C1005 CH 1E 090D T A C1005 CH 1E 1R5B T A C1005 CH 1E 040B T A C1005 JB 1E 102K T A C1005 CH 1E 2R5B T A C1005 CH 1E 220J T A C1005 CH 1E 050C T A C1005 CH 1E 270J T A C1005 CH 1E 020B T A C1005 CH 1E 150J T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E 220J T A C1005 CH 1E 270J T A C1005 CH 1E 120J T A C1608 JB 1H 102K T A TEMSVB2 1D 106M 8L C1005 CH 1E 070D T A C1005 CH 1E 180J T A C1608 JB 1H 102K T A TEMSVB2 1D 106M 8L C1608 JB 1H 102K T A C1005 JB 1E 102K T A C1608 JB 1H 102K T A C1005 JB 1E 102K T A C1608 JB 1H 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1005 JB 1E 10
33. B 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A 08 6210 030 010 800 LNJ310M6URA LNJ310M6URA LT1EP53A LD BU4323J 5555812 1 JPM1990 2013R CS028014 12 OPC 519 71 98 020 X98 X98 B 4790A SRCN 1600 ZNN 1 S Surface mount Ber SECTION 7 CHASSIS PARTS J1 ODER NO DESCRIPTION 6510018560 8210013462 8310034261 8010017660 8930035131 8930033760 8930033771 8930033820 8610010171 8610010180 8930035410 8930035520 8930036200 8810008750 8810008970 8810008970 8810008970 8810009180 8810008970 8810006790 8810008760 8830000570 8810006650 9910005730 8860040300 8930036190 8930039830 8930040410 8860001030 8930040350 8510012130 1F UNIT REF NO ODER NO DESCRIPTION Connector HSJ1102 01 540 MIC Connector HSJ1493 01 010 SP Connector HEC2711 01 020 DC13 5V 64500001 30 6450001060 6450000870 7600000190 8510012060 8930048430 PA BOARD REF NO ODER NO DESCRIPTION MP401 8410002260 2207 heat sink Antenna connector BNC R128 incl nut 1600 rear panel A 2 1460 contact base 1 2207 chassis Spring V 1 1460 release plate 1460 release button 1460 contact spring Knob N248 1 DAIL Knob N249 VOL 1460 contact rubber 1459 rear plate 1600 DC cap S
34. C HVCO SHIFT VCC H L TXSEL DETO NOISE D903 MA2S728 I 100k C911 0 001 C162 R162 GND 0 001 100k GND HV 1114 C923 C921 C919 0 001 0 001 0 001 C922 C920 C918 0 001 0 001 0 001 HAT1024R 32R C916 0 001 D904 C901 SB07 03C I R906 C CHG C913 0 001 10k MOD VMOD UTH 12 4 UTE 12 9 UR 18 2 VTH 12 2 VTL 12 6 VR 13 2 UMOD 10ke R304 20 10k e R302 20k R300 R309 R311 TBPS1R104K475H5Q 10 5 6k C303 Q308 1213 IC301 TC4W53FU VTH 0 VTL 13 0 UTH 0 UTL 12 9 VRO PSET D302 MA2S111 MA2S111 T21 VTL 12 4 UTH 0 VTH 10 5 UTL 0 VTL 10 8 UN9210 VR 12 5 UTH 10 6 UR 0 UTL 10 9 VR 13 1 UR 13 1 H L C COMMON VT VHF TX UT UHF TX VR VHF RX UR UHF RX VTH VHF TX HI POWER VTL VHF TX LOW POWER UTH UHF TX HI POWER UTL UHF TX LOW POWER SQLO SQL OPEN SQLC SQL CLOSE 11 3 Icom Inc 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan Phone 06 793 5302 Fax 06 793 0013 Icom America Inc Corporate Headquarters 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 425 454 8155 Fax 425 454 1509 URL httip www icomamerica com lt Customer Service gt Phone 425 454 7619 Icom Canada A Division of Icom America Inc 3071 5 Road Unit 9 Richmond B C V6X 2T4 Canada Phone 604
35. ERJ2GEJ 390 X 39 Q ERJ2GEJ 102 X 1 ERJ2GEJ 682 X 6 8 kQ ie oll S Surface mount 2F UNIT 2F UNIT ORDER ORDER E a wa 1590002380 S TRANSISTOR XP1115 TX 7030005220 S RESISTOR ERJ2GEJ 223 X 22 kQ 1520000460 S TRANSISTOR gt T100 R 7030007340 S RESISTOR ERJ2GEJ 153 X 15 1590002580 S FET HAT1024R EL 7030005220 S RESISTOR ERJ2GEJ 223 X 22 7030005220 S RESISTOR ERJ2GEJ 223 X 22 7030005000 S RESISTOR ERJ2GEJ 471 X 470 Q 1790001290 S VARICAP MA304 TX 7030005050 S RESISTOR ERJ2GEJ 103 X 10 1790001290 S VARICAP MA304 TX 7030005050 S RESISTOR ERJ2GEJ 103 X 10 1790001290 S VARICAP MA304 TX 7030005230 S RESISTOR ERJ2GEJ 334 X 330 kQ 1750000530 S DIODE 1 271 TPH3 7030005000 S RESISTOR ERJ2GEJ 471 X 470 Q 1790001260 S DIODE 25077 7030005240 S RESISTOR ERJ2GEJ 473 X 47 1790001260 S DIODE MA2S077 TX 7030005120 S RESISTOR ERJ2GEJ 102 X 1 1790001260 S DIODE 25077 7030004980 S RESISTOR ERJ2GEJ 101 X 100 Q 1750000530 S DIODE 1SV271 TPH3 7030005220 S RESISTOR ERJ2GEJ 223 X 22 1790001260 S DIODE 25077 7030005240 S RESISTOR ERJ2GEJ 473 X 47 kQ 1790001260 S DIODE 25077 7030005110 S RESISTOR ERJ2GEJ 224 X 220 kQ 1790001250 S DIODE MA2S111 TX 7030005160 S RESISTOR ERJ2GEJ 105 X 1 MQ 1790001250 S DIODE MA2S111 TX 7030005530 S RESISTOR ERJ2GEJ 100 X
36. IC 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 CERAMIC S CERAMIC S CERAMIC 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 TANTALUM S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC TANTALUM S ELECTROLYTIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC CONNECTOR CONNECTOR CONNECTOR CONNECTOR CONNECTOR S CONNECTOR S CONNECTOR ENCODER C1608 JB 1C 104KT N C1005 JB 1E 102K T A TESVA 1V 104M1 8L TEMSVA 1A 335M 8L C1005 JB 1E 102K T A C1005 CH 1E 470J T A C1005 CH 1E 470J T A C1005 CH 1E 470J T A CTZ3S 20C WI PF C1005 CH 1E 220J T A C1005 CH 1E 390J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1005 CH 1E 090D T A C1005 JB 1E 102K T A C1005 CH 1E 070D T A C1005 CH 1E 030B T A C1005 CH 1E 070D T A C1005 CH 1E 040B T A C1005 CH 1E 270J T A C1005 CH 1E 070D T A C1005 CH 1E 100D T A C1005 CH 1E 080D T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E 050C T A C1608 JB 1H 102K T A TESVA 1A 225M1 8L C1005 JB 1E 102K T A C1608 JB 1H 102K T A C1005 CH 1E 050C T A C1005 JB 1E 102K T A C1005 CH 1E 050C T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E 470J T A C1005 JB 1E 102K T A C1005
37. IC 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 TESVA 1A 225M1 8L C1005 JB 1E 102K T A C1005 CH 1E 100D T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E 120J T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1608 JB 1H 102K T A C1005 CH 1E 150J T A C1005 CH 1E 010B T A C1005 CH 1E 010B T A C1608 JB 1H 102K T A C1005 CH 1E 050C T A C1005 JB 1E 102K T A C1005 CH 1E 090D T A C1005 JB 1E 102K T A C1005 CH 1E 090D T A C1005 CH 1E 060D T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1608 JB 1C 104KT N C1005 CH 1E 100D T A C1608 JB 1H 102K T A C1608 JB 1C 104KT N C1005 JB 1E 471K T A C1005 JB 1E 471K T A C1005 JB 1E 102K T A C1005 JB 1C 103K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1608 JB 1C 473K T A C1005 CH 1E 220J T A C1608 JB 1C 104KT N C1005 JB 1C 103K T A C1005 JB 1C 103K T A C1608 JB 1C 473K T A C2012 JB 1C 224K T A TESVA 0G 475M1 8L C1005 JB 1E 102K T A C1608 JB 1C 104KT N ECEV1AA221P C1608 JB 1C 473K T A TEMSVA 1A 335M 8L C1005 CH 1E 470J T A C1005 JB 1E 102K T A ECEV1CA470SP TESVA 0G 475M1 8L C1005 JB 1E 102K T A C1608 JB 1H 102K T A ECEV1AA101SP C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E 121J T A C1005 CH 1E 100D T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E 220J
38. IC 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 CONNECTOR S CONNECTOR S CONNECTOR PCB S IC S IC S IC S IC S IC S IC S IC S TRANSISTOR S TRANSISTOR S TRANSISTOR S FET S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR S TRANSISTOR ORDER ORE eo C1005 JB 1E 102K T A C1005 CH 1E 470J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1005 JB 1E 102K T A C1608 JB 1H 102K T A C1005 CH 1E 020B T A C1005 CH 1E 020B T A C1005 CH 1E 020B T A C1005 CH 1E 080D T A C1005 CH 1E 1R5B T A C1005 CH 1E 050C T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 CH 1E 070D T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1608 JB 1H 102K T A C1005 JB 1E 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K
39. JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1608 JB 1C 104KT N TEMSVA 0G 226M 8L C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1608 JB 1C 104KT N C1005 JB 1E 102K T A TESVA 1V 104M1 8L C1005 JB 1E 102K T A TESVA 1C 155M1 8L C1005 JB 1E 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 470J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A TEMSVA OJ 106M8L ECEV1CA100SR C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A C1005 JB 1E 102K T A IMSA 9230B 1 05Z003 T IMSA 9230B 1 05Z003 T HSJ1102 01 540 HSJ1493 01 010 HEC2711 01 020 IL WX 30PB VF84 B E900 53264 0690 TP96D96E20 15F 10KA 1810 S Surface mount 1F UNIT ORDER once 7120000470 JUMPER ERDS2TO ERJ3GE JPW V MCR10EZHJ JPW 000 DUAL VCO BOARD ORDER 7030004980 S RESISTOR ERJ2GEJ 101 X 100 Q 7030005290 S RESISTOR ERJ2GEJ 682 X 6 8 E 7030004990 S RESISTOR ERJ2GEJ 221 X 220 7030004970 S RESISTOR ERJ2GEJ 470 X 47 Q 7030005240 S RESISTOR ERJ2GEJ 473 X 47 kQ 7030003860 S JUMPER 7030000010 S JUMPER 0910051202 PCB 5215 7030004980 S RESISTOR ERJ2GEJ 101 X 100 Q 7030005110 S RESISTOR ERJ2GEJ 224 X 220 7030004990 S RESISTOR ERJ2GEJ 221 X 220 Q 7030004980 S RESISTOR ERJ2GEJ 101 X 100 Q PA BOARD 4030009780 S CERAMIC 4030010080 S CERAMIC 403
40. O SERVICE MANUAL DUAL BAND FM TRANSCEIVIER IC I 7H Icom Inc INTRODUCTION This service manual describes the latest service information for the IC T7H DUAL BAND FM TRANSCEIVER at the time of publication 4 version of the IC T7H have been designed This serves manual cover each versions MODEL VERSION SYMBOL USA 3 To upgrade quality all electrical or mechanical parts and internal circuits are subject to change without notice or obligation DANGER NEVER connect the transceiver to an AC outlet or to a DC power supply that uses more than 16 V This will ruin the transcever DO NOT expose the transceiver to rain snow or any liquids DO NOT reverse the polarities of the power supply when connecting 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 10 digit order numbers Component part number and name Equipment model name and unit name Quantity required lt SAMPLE ORDER gt 1110002700 S C NJM2904M T1 IC T7H 1F UNIT 5pieces 8810008750 Screw PHBO2x15ZK IC T7H Chassis 10pieces 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 d
41. ODE S DIODE S DIODE S DIODE S XTAL 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 TRIMMER 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 UN9215 TX UN9115 MA2S111 TX MA2S111 TX 8051 TX MA2S111 TX MA2S111 TX MA6S121 TX DAP202U T107 DA112 T107 DA113W T107 DA112 T107 MA2S111 TX EUR SEA USA 3 only DAP202U T107 EUR SEA USA 3 DA112 T107 ITA MA2S111 TX USA 3 only MA2S111 TX ITA SEA EUR USA 3 ITA SEA USA 3 CR 534 5 039 MHz ERJ3GEYJ 153 V 15 ERJ3GEYJ 103 V 10 EUR ITA SEA ERJ3GEYJ 103 V 10 ERJ3GEYJ 103 V 10 ERJ3GEYJ 105 V 1 MQ ERJ3GEYJ 472 V 4 7 ERJ3GEYJ 393 V 39 ERJ3GEYJ 393 V 39 ERJ3GEYJ 822 V 8 2 ERJ3GEYJ 222 V 2 2 ERJ3GEYJ 153 V 15 ERJ3GEYJ 154 V 150 ERJ3GEYJ 394 V 390 kQ ERJ3GEYJ 333 V 33 kQ ERJ3GEYJ 102 V
42. RJ2GEJ 331 X 330 Q 7030005090 S RESISTOR ERJ2GEJ 104 X 100 7030004980 S RESISTOR ERJ2GEJ 101 X 100 Q 7030005050 S RESISTOR ERJ2GEJ 103 X 7030005050 S RESISTOR ERJ2GEJ 103 X 7030005050 S RESISTOR ERJ2GEJ 103 X 10 kQ 7030005090 S RESISTOR ERJ2GEJ 104 X 100 10 kQ 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 kQ 7030005240 S RESISTOR ERJ2GEJ 473 X 47 kQ 7030005000 S RESISTOR ERJ2GEJ 471 X 470 Q 7030005120 S RESISTOR ERJ2GEJ 102 X 1 7030000180 S RESISTOR MCR10EZHJ 22 220 7030005080 S RESISTOR ERJ2GEJ 823 X 82 kQ 7030000180 S RESISTOR MCR10EZHJ 22 220 7030005030 S RESISTOR ERJ2GEJ 152 X 1 5 7030005090 S RESISTOR ERJ2GEJ 104 X 100 7030005110 S RESISTOR ERJ2GEJ 224 X 220 7030005050 S RESISTOR ERJ2GEJ 103 X 10 7030005050 5 515 ERJ2GEJ 103 X 10 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 kQ 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 kQ 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 kQ 10 7030005090 S RESISTOR ERJ2GEJ 104 X 100 kQ S Surface mount 2F UNIT ORDER S TANTALUM 4550002890 4030009810 4030009740 4030009810 4030009810 4030009750 4030009810 4030009810 4030009810 4030009810 4030006860 4030009760 4030011640 4030011640 4030006860 4030009700 4030009810 4030009730 4030009810 4030009730 4030009840 403000981
43. STOR 1590001140 S TRANSISTOR 1590001470 S TRANSISTOR 1590002010 S TRANSISTOR 1590001770 S TRANSISTOR 1590001430 S TRANSISTOR 1590001140 S TRANSISTOR 1530003310 S TRANSISTOR 1530002560 S TRANSISTOR 1590001690 S TRANSISTOR 1590001690 S TRANSISTOR 1530002900 S TRANSISTOR XP1501 TX AB 2SA1588 GR TE85R 25 5226 4 2SC4403 3 TL UN9115 TX 2 4215 TE85R XP1501 TX AB 28D2216 S TX 28D2216 S TX UN9115 TX 28B1201 S TL XP1501 TX AB 2SC4226 T2 R25 2SC4403 3 TL UN9210 TX UN9213 TX XP1114 TX XP1213 TX UN9114 TX UN9210 TX 25 5107 TE85R 2SC4403 3 TL UN9115 TX UN9115 TX 2SC4228 T2 R45 Qu min H Col 1720000370 S VARICAP 1790001260 S DIODE 1790001290 S VARICAP 1790001260 S DIODE HVU350TRF MA2S077 TX MA304 TX MA2S077 TX 6110003180 COIL 6200004480 S COIL 6110003190 COIL 6200004480 S COIL LA 508 MLF1608D R82K T LA 509 MLF1608D R82K T 0 0 0 0 0 5 5 0 L 2 i 2 L 2 a 2 6 L amp 8 0 0 L 4 r QO Q Q OIO IOIOII O 7030007290 S RESISTOR 7030005040 S RESISTOR 7030005590 S RESISTOR 7030005040 S RESISTOR 7030009200 S RESISTOR 7030009200 S RESISTOR 7030005120 S RESISTOR 7030005290 S RESISTOR ERJ2GEJ 222 X 2 2 kQ ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 680 X 68 Q ERJ2GEJ 472 X 4 7 kQ ERJ2GEJ 390 X 39 Q 28 CD pa OC NOI
44. T107 S UN9115 TX 2503356 R25 T2B 28B1132 T100 28D2216 S TX UN9211 TX 2SA1588 GR TE85R 2SC4403 3 TL UN9115 TX UN9210 TX MA2S077 MA2S077 MA2S077 MA2S077 MA2S077 MA2S077 MA8030 H T MA8043 L TX MA2S077 MA2S077 MA2S077 MA132WA TX MA2S077 MA2S077 MA2S077 MA133 TX MA2S111 TX 1SV271 TPH3 MA2S077 MA2S077 1SV271 TPH3 RBO60L 40 TE 25 CR 515 15 200000 MHz LQN21A R15J04 0 30 0 9 7TL 21N 0 26 0 9 9TR 30N LL1608 F10NK LL1608 F10NK 0 30 0 9 5TL 14N 0 40 1 1 6TR 0 28 1 0 5TR 16N NLH252018T 039J 39N 0 20 1 0 12TL 60N NLH252018T 047J 47N MLF1608D R82K T NLH252018T 056J 56N NLH252018T 056J 56N MLF1608D R82K T NLH252018T 082J 82N EXCCL3225U1 EXCCL3225U1 MLF1608D R82K T ELJRE 18NG F 1F UNIT ORDER 6200003550 6200003550 6200004480 6200004480 6200008530 6200008530 6200004370 6200005830 6200004380 6200008080 6200008080 6200008080 6200006980 6200003590 6200003590 7030007270 7030004980 7030007270 7030005040 7030005530 7030007340 7030005040 7030004980 7030005040 7030004980 7030007330 7030005070 7030005240 7030007340 7030005050 7030004980 7030005160 7030005220 7030005050 7030007290 7030005040 7510001000 7030007340 7030005530 7030005120 7030005090 7030005090 7030007260 7030005120 7030005120 7030009200 7030005030 7030005220 7030007260 7030005300 7030005300 7030004980 7030005240 7030004990 7030004970 7030005100 7030005110 7
45. UAL VCO board Q301 Q302 and HVCO D301 control signals HIGH Activates the UHF VCO Output port for the VHF band VCO DUAL VCO board Q304 Q305 and 48 LVCO D303 control signals HIGH Activates the VHF VCO 43 MICC Output port for SHIFT signals to the shift switches 1F unit Q354 Q854 SHIFT HIGH Transmit on VHF LOW Transmit on UHF Outputs control signals to the AF reg AFON ulator circuit 2F unit Q151 Q152 HIGH Activates the AF amplifier Output port for the TX output power H L HIGH or LOW select signals LOW HIGH power is selected SECTION 5 ADJUSTMENT PROCEDURES 5 1 PLL AND TRANSMITTER ADJUSTMENT ADJUSTMENT 1 Displayed frequency 145 000 MHz Receiving Displayed frequency 440 000 MHz 430 000 MHz Receiving 2 1 PLL 1 Displayed frequency REFERENCE 445 000 MHz FREQUENCY 435 000 MHz Transmitting 1 OUTPUT Displayed frequency POWER 145 000 MHz Output power High Transmitting 2 Output power Low Transmitting 3 Displayed frequency 445 000 MHz 435 000 MHz Output power High Transmitting Output power Low Transmitting e Set the FM deviation meter 85 De emphasis OFF FM 1 Displayed frequency Top Connect DEVIATION 145 000 MHz panel deviation meter to Connect an audio generator to the antenna con the MIC connector and set as nector through an 1 kHz 95 mV attenuator HPF OFF LPF 2
46. age is controlled by power set pots 2F unit R302 for VHF 2F unit R304 for UHF and an H L signal via the CPU LOGIC unit IC1 pin 56 A thermistor R266 controls APC reference voltage PREF voltage to reduce the output power when the temperature is increased 4 2 5 ANTENNA SWITCHING CIRCUIT 1F UNIT The antenna switching circuit applies receive signals to the receiver circuit and transmit signals to the antenna connec tor 1 VHF ANTENNA SWITCHING CIRCUIT When transmitting D51 D52 and D202 are turned ON The signal passes through the low pass filter L10 L 12 C16 C22 and is then applied to the antenna connector The low pass filter suppresses high harmonic components 2 ANTENNA SWITCHING CIRCUIT When transmitting D722 D724 D551 D552 and Q204 are turned ON The signal passes through the low pass L7 L9 C9 C15 and high pass L1 L3 C1 C5 filters and is then applied to the antenna connector The high pass filter sup presses low harmonic components e APC CIRCUIT From VHF buffer amp Q201 From UHF buffer amp Q701 AEunitt ________________ D701 2F unit 1 O 1 H L signal from R303 1 the LOGIC unit R302 APC control E STA 21 O PREF signal la pH ee from the 1F unit R304 bee MRF9742 4 3 PLL CIRCUITS 4 3 1 VHF PLL CIRCUIT 1F UNIT The oscillated signal at the VCO circuit DUAL VCO board Q304 Q305 and D303 is
47. amplified at a buffer amplifier Q306 and is again amplified at another buffer amplifier Q352 The amplified signal is applied to the PLL IC IC851 pin 2 and then divided by serial data from the CPU and phase detected with the divided reference frequency The phase difference is output as pulses The output signals from 851 pin 8 are converted to DC voltages lock voltage by the loop filter R366 R368 C362 and C364 and are then fed back to the VHF VCO circuit to stabilize the VCO frequency The DC voltage is also applied to the receiver tuned band pass filters as a VTUNE signal 4 3 2 PLL CIRCUIT 1F UNIT The oscillated signal at the VCO circuit DUAL VCO board Q301 Q302 D301 and D302 is amplified at a buffer ampli fier Q306 and is again amplified at another buffer amplifier Q352 The amplified signal is applied to the PLL IC IC851 pin 19 and then divided by serial data from the CPU It is the phase detected with the divided reference frequency and the phase difference is output as pulses The output signals from 851 pin 13 are converted to DC voltages lock voltage by the loop filter R866 R868 C862 and C864 and are then fed back to the UHF VCO circuit to stabilize the VCO frequency Q402 L405 MRF5007 to VHF FF circuit to UHF HF circuit C411 4 4 POWER SUPPLY CIRCUITS VOLTAGE LINE LINE DESCRIPTION HV The voltage from the external power supply or attached
48. and rear panels 2 Unsolder the point F then remove the 2F unit with the 2 Unscrew 4 screws C from the rear plate to remove it contact base Disconnect J1 on reverse side of the 2F unit to remove D am 2F unit V 5 le NES U EX a Contact base 0 TO jab 2 ED v 9 Rear panel Rear panel e REMOVING LOGIC UNIT 1 Unscrew 4 screws D from the LOGIC Unit 2 Unsolder jumper wires from the speaker as shown below e REMOVING 1F UNIT 1 Pull the 2 knobs off and then unscrew the nut 2 Unscrew 3 screws G and 2 screws H from the 1F unit 3 Unsolder 2 points 7 then remove the 1F unit pe Rear panel 1F unit SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS 4 1 1 DUPLEXER CIRCUIT UNIT The transceiver has a duplexer low pass and high pass fil ters on the first stage from the antenna connector to sepa rate the signals into VHF and UHF signals The low pass fil ter L10 L12 C16 C22 for VHF signals and high pass filter L1 L3 C1 C5 for UHF signals The separated signals are applied to each HF circuit 4 1 2 VHF ANTENNA SWITCHING CIRCUIT 1F UNIT The antenna switching circuit functions as a low pass filter while receiving However Its impedance becomes very high while transmitting by applying a current to D51 and D52 Thus transmit signals are blocked from entering the receiv er circui
49. battery pack The same voltage as the HV line external power VCC supply or battery pack which is controlled by the power switch POWER control Common 3 V converted from the VCC line by the 3CPU regulator IC LOGIC unit IC2 The out VHT2V put voltage is supplied to the 3C R3 and T4 regulator circuits etc Common 3 V converted from the VCC line by the 3C regulator circuit LOGIC unit Q4 Q5 040 UHT2V and D3 using the 3CPU regulator LOGIC unit IC2 3 V for receiver circuit converted from the VCC line by the R3 regulator circuit 2F unit Q4 Q5 and D402 4 V for transmitter circuit converted from the VCC line by the T4 regulator circuit 1F unit Q702 Q703 and D702 The T4 regulator circuit 35 15 controlled by the CPU LOGIC unit pin 45 via T4 control regulator circuit 1F unit Q704 PLL circuit DUAL VCO BOARD x waw we ww ww ee nn ee ee ee ee eee VTUNE signal to RF circuit 2F unit UvcO 30 Ref osc X1 ES N 15 2 MHz 2NDLO signal to the a FM IF IC 2F unit 4 PSTB Shift register 45 DATA Y 4 5 OTHER CIRCUITS 4 5 1 TONE SQUELCH CIRCUIT LOGIC UNIT A portion of the detected audio signal
50. crew PH BT 2 x 15 ZK Screw FFH BT No 0 2 x 3 5 NI ZU Screw FFH BT No 0 2 x 3 5 NI ZU Screw FFH BT No 0 2 x3 5 NI ZU Screw FFH BT No 0 2 x 5 NI ZU Screw FFH BT No 0 2 x 3 5 NI ZU Screw PH No 0 2 x 3 5 ZK Screw PH BT 2 x 8 NI ZU VR nut A Screw PH BO No 0 1 4 x 2 5 Screw BuH 3 x 3 ZK BS 1810 earth spring 1600 MIC cap Thermal sheet D Insulating plate EO 1810 ANT rug 1810 EMC plate 2207 EMC plate 2 a NV YO WH B NN WN A a HH HH HH HSH HSH HS Encoder VR TP96D96E20 15F 10KA 1810 DIAL VOL 2207 shield plate Insulating plate FO DUAL VCO BOARD REF NO ODER NO DESCRIPTION MP301 8510010370 1810 VCO case Screw abbreviations A BO BT Self tapping PH Pan head FH Flat head BiH Bind head NI Nickel SUS Stainless ZK Black LOGIC UNIT ODER NO DESCRIPTION Y 1 hero 1 W1 8900005320 5030001230 8930037201 7700001750 8210012470 8930039160 8930039130 8930036150 8930039140 8810008970 8510009790 8930036630 8210015800 8930039120 8860001050 2510000840 UNPACKING DESCRIPTION Optional product Optional product Optional product Optional product Optional product Optional product Optional product 8010011960 8010008620 MECHANICAL PARTS AND DISASSEMBLY Flat cable OPC 519 LCD LD BU4323J LCD contact SRCN 1600 ZNN 1 Microphone EM 123TH 1600 reflector 1810 10 key 1810 PTT button
51. he 2nd mixer section of IC101 pin 16 and is mixed with the 2nd LO signal 45 6 MHZ for conversion to a 450 kHz 2nd IF signal at the 2nd mixer section The 2nd IF signal 450 kHz from the 2nd mixer section IC101 pin 3 passes through the ceramic filter 101 where unwanted signals are suppressed It is then amplified at the limiter amplifier section IC101 pin 5 and applied to the quadrature detector section to demodulate the 2nd IF signal into AF signals AF signals output from 101 pin 9 are applied to the AF drive amplifier Q12 on the LOGIC unit The S meter out put SD signal from IC101 pin 12 is applied to the CPU LOGIC unit IC1 pin 3 4 1 7 AF AMPLIFIER CIRCUIT LOGIC UNIT The AF amplifier circuit including an AF mute switch ampli fies the demodulated signals to drive a speaker The demodulated AF signals DETO signals from the FM IF IC 16101 on the 2F unit are applied to the drive amplifi er Q12 pin 3 via the band pass filter C44 C45 The band pass filter suppresses subaudible tones and higher noise signal components The amplified signals from Q12 pin 1 pass through the AF mute switch Q10 and are then applied to the AF volume control on the 1F unit via the AF signal line 4 1 8 AF POWER AMPLIFIER CIRCUIT 2F UNIT The AF signals from the AF volume control AFV signals are amplified at the AF power amplifier IC 10151 pin4 The amplified AF signals are applied to
52. isconnected 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 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 deveiation meter or spectrum analyzer when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the transceiver pet ee a SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION TABLE OF CONTENTS 1 SPECIFICATIONS 2 INSIDE VIEWS DESCRIETION N m JJ U Rs lt O JJ 5 1 TRANSMITTER 5 2 RECEIVER ADJUSTMENT bro PARTS LIST 7 MECHANICAL PARTS AND DISASSEMBLY 8 SEMI CONDUCTOR INFORMATION BOARD LAYOUTS O O ag 9 9 9 9 3 dFUNII 10 IBLOCK DIAGRAM 11 VOLTAGE DIAGRAM gt 1 1 1 I I OI A N SECTION 1 SPECIFICATIONS Tx 144 MHz 148 MHz Tx 430 MHz 450 MHz PS Rx 118 2 174 MHz Rx 400 MHz 470 MHz 144 146 MHz 430 440 MHz Frequency Tx 140 MHz 148 MHz coverage
53. mbol 8C Symbol 8E Symbol 8Q Symbol 7Q dep dtr XP1213 XP1501 XP6501 AB Symbol 9L Symbol 5R Symbol 5N 22 zB 2909956 R25 Symbol R25 25C4403 3 Symbol LY3 2502216 S Symbol Y DTC114 TU Symbol 04 UN9211 Symbol 8A XP1115 Symbol 9L e DIODES 1SV271 Symbol TG HVU350 Symbol 4 dq J IHF MA2S111 Symbol A MA8043L Symbol 8 2 T V DA112 Symbol AZ MA132WA Symbol MO C1 MA2S728 Symbol B EAE RBO60L 40 Symbol 36 EE DA113 Symbol AY MA132WK Symbol MU A1 MA304 Symbol 7R gt DAP202U Symbol P MA133 Symbol MP MA6S121 Symbol M2D MA8051H Symbol 5 1 T lt MA2S077 Symbol S T MA8030H Symbol 340 T iw N NS s X sss Y gt lt O lt O 00 SECTION 9 9 1 LOGIC UNIT TOP VIEW e BOTTOM VIEW g EE e 5 218 El 9 2 2F UNIT 2F UNIT TOP VIEW e DUAL VCO BOARD TOP VIEW J2 TO LOGIC UNIT J1 e 2F UNIT BOTTOM VIEW 1 30 29 TO IF UNIT J904 J1 5 JoL s 3 IC101 g C913 g Q R107 Q i Q902 IT 4l R115 2 5 El El og C124 5l 5 E 18 PAR C113 C11 R105 C915 e
54. n 3 which has 6 dB octave pre emphasis characteristics The amplified AF signals pass through the splatter filter 12 pins 5 7 The filtered signals are applied to frequen cy deviation pots 2F unit R308 for VHF R314 for UHF and are then applied to the modulation circuit on the DUAL VCO board Q32 on the LOGIC unit is the PTT control circuit and outputs a High signal to the CPU when transmitting 4 2 2 MODULATION CIRCUIT DUAL VCO BOARD The modulation circuit modulates the VCO oscillating signal RF signal using the microphone audio signals The VMOD signals change the reactance of a diode D304 to modulate the oscillated signal at the VHF VCO cir cuit Q304 Q305 and D303 The signals are applied to the UHF VCO circuit via the USHIFT line The applied signals change the reac tance of a diode D302 to modulate the oscillated signal at the UHF VCO circuit Q301 Q302 and D301 The VCO output is buffer amplified at Q306 and then applied to the band switch D351 and D352 via the LO amplifiers Q852 and 0351 4 2 3 POWER AMPLIFIER CIRCUIT 1F UNIT Q401 is a drive and Q402 is a power amplifier They are designed to use both VHF and UHF commonly They pro vide more than 6 W for VHF and 6 W for UHF with a 13 5 V DC power source via one power amplifier system An HF signal from the band switch D351 and D352 is buffer amplified at Q201 for VHF or Q701 for UHF and then applied to the drive
55. nH 21 nH 98 E Q353 D354 E T m UN9115 357 C301 09115 UT o Lor x V o 4P i D552 D551 1 i I MA2S077 MA2S077 30 J904 IL WX 30PB VF84 B CHASSIS L 2J D725 1SV271 EXTMIC J901 HSJ1102 01 540 C53 El il I i pes J902 HSJ1493 01 010 052 Dal 2 rS MA2S077 MA2S077 27 22P 2 VA C906 0905 L 904 C903 Jm J903 HEC2711 01 020 L900 3225 uH COMMON 0901 RBO6OL 40 VT VHF TX Q 9 C908 ae C900 C907 a5 225 uH p GIO Te t DIUD UR UHF RX 11 2 e 2F UNIT J2 08 6210 030 800 OOOO 5 cl OO a O O O O a gt VT 0 UT 0 VR 3 1 UR 3 1 0105 R407 1401 J C407 UN9115 i Sanh 0404 408 15 2 077 VT 0 D403 L400 m 17k 1 uH 25022165 Q102 Q403 ae ES B VR 3 1 c122 pia XP1501 AB UN9115 UR 3 1 pur 1 R48 us O ze CFWM450E R205 UT O C204 R202 ipe 129 0 001 Ji IL WX 30SB VF B m 330 UR 2 3 ji 0 001 wo HES Q400 R106 C111 4 25C5107 220k 470P VR 07 i i er C202 UR 0 7 L204 120 P R203 2902216 S 0203 Bn I 220 R201 R206 TI SR 25077 0 33 k 3 3k 4 uds EFCHASSMWNPT L201 C201 D202 3 er O men C203 15nH 0 001 25077 O
56. s from the DETO line are passed through the low pass filter IC13 The filtered signal is then applied to the CPU IC1 pin 4 and is com pared with the programmed tone signal The CPU IC1 out puts control signals to the AF mute and AF regulator circuits to open the squelch when a matched tone signal is received The programmed subaudible tone signal is output from the CPU LOGIC unit IC1 pin 9 directly when transmitting with a tone Buffer Buffer gt to VHF buffer amp D351 circuit gt to UHF buffer amp Buffer D352 circuit IN 4 5 PORT ALLOCATIONS 4 5 1 CPU LOGIC UNIT IC1 Port emm Input port for remote control signal 2 REMOTE from an optional HM 75A microphone via the EXT MIC jack Input port for detected S meter signals 3 SD from the IC 101 pin 12 on the 2F unit Input port for received CTCSS tone 4 CTCIN signals Output port for 3C regulator circuit D PCON control signals HIGH Power ON 6 PLST Output PLL strobe signals Output port for clock signals to PLL 7 PLCK ECK and EEPROM ICs DATA bus line for PLL Outputs PLL DATA when PLL is locked PDA UL When PLL is unlocked PLL IC releases the port being pulled up therefore the CPU receives HIGH level signal 9 CTCSS Output port for CTCSS tone signals Output port for Beep audio signals while receiving 10 DTMF DTMF signals or 1 750 Hz tone sig nal while tran
57. smitting According to versions Input pulse signals for noise squelch 12 NOISE from the IC101 pin 13 on the 2F unit Input port for the LOCK switch 17 LOCK LOW LOCK switch is ON Inputs up down signals from the 21 DIUD DIAL control DICK Input port for dial clock signals Input port for the POWER switch 23 POWER POWER switch is pushed CONT Outputs LCD contrast control signals 28 31 3 Input port for key matrix Input port for the PTT control circuit 32 PIT HIGH When transmitting Input port for reset circuit LOGIC unit REE IOS pind Outputs control signals to the power supply of the CTCSS band pass filter 39 CFC LOGIC unit 045 LOW Activates the BPF DATA bus line for the EEPROM 40 ESIO LOGIC unit IC15 data signals Outputs BUSY LED control signals 41 BLED HIGH The BUSY LED lights Port BET Outputs LCD backlight control signals 42 LIGHT High The backlight lights Output port for the microphone ampli fier LOGIC unit 12 LOW Activates the mic amplifier Output a mute signal MM Microphone mute for or 1 750 Hz tone while MM RM transmitting RM Audio mute for squelch cir cuit while receiving HIGH To mute one of above Outputs transmit frequency band con trol signals TXSEL HIGH UHF band LOW VHF band Output port for the UHF band VCO D
58. stage from the 1st mixer 4 1 5 1ST MIXER AND 1ST IF CIRCUITS 2F UNIT The mixer circuit converts the received signal to a fixed fre quency of the 1st IF signal with a 1st LO VCO output fre quency By changing the PLL frequency only the desired frequency will be passed through a crystal filter at the next stage of the mixer The received signals from the VHF or UHF RF circuit are mixed with the 1st LO signal VCO output signal at the 1st mixer Q401 to produce a 45 15 MHz 1st IF signal The 1st IF signal is applied to a crystal filter FI401 to sup press out of band signals The filtered 1st IF signal is ampli fied at the IF amplifier Q101 and is then applied to the 2nd mixer circuit IC101 pin 16 4 1 6 2ND IF AND DEMODULATOR CIRCUITS 2F UNIT The 2nd mixer circuit converts the 1st IF signal to a 2nd IF signal A double superheterodyne system which converts receive signals twice improves the image rejection ratio and obtains stable receiver gain The FM IF IC IC101 contains the 2nd mixer 2nd local oscillator limiter amplifier S meter detector and quadrature detector circuits nd IF filter 50 kH Q356 2F unit IC2 TA31136FN 2nd IF 45 15 MHz from Q101 1F unit NOISE signal to the CPU pin 12 Logic unit IC1 SD signal to the CPU LO signal from Q852 pin 3 Logic unit IC1 on the LOGIC unit R112 dad The 1st IF signal 45 15 MHz from the IF amplifier Q101 is applied to t
59. the loud speaker via the external speaker jack 1F unit J902 4 1 9 NOISE SQUELCH UNIT 2F UNIT A noise squelch circuit cuts out AF signals when no RF sig nal is received By detecting noise components in the AF signals the squelch circuit switches the AF mute switch Some of the noise components in the AF signals from the FM IF IC 10101 pin 9 are applied to the active filter section 16101 pins 7 and 8 The variable register R504 adjusts the active filter input level The active filter section amplifies noise components with fre quencies of 20 kHz and above The filtered signals are rec tified at the noise detector section and converted into NOISE pulse type signals at the noise comparator sec tion The NOISE signal is applied to the CPU LOGIC unit IC1 pin 12 The CPU LOGIC unit IC1 detects the signal level from the number of the pulses and outputs an MM RM signal from IC1 pin 44 on LOGIC unit This signal controls the AF mute switch LOGIC unit Q10 to cut the AF signal line 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUIT LOGIC AND 2F UNIT The microphone amplifier circuit amplifies audio signals with 6 dB octave pre emphasis from the microphone to a level needed for the modulation circuit The AF signals from the built in condenser microphone LOGIC unit MC1 or from the MIC Jack 1F unit J901 via the EXT MIC line are applied to the limiter amplifier LOGIC unit IC12 pi
60. ts The antenna switching circuit employs a 1 4 X type diode switching system The passed signals are then applied to the RF amplifier circuit on the 2F unit 4 1 3 VHF RF CIRCUIT 2F UNIT The RF circuit amplifies signals within the range of frequen cy coverage and filters out of band signals The signals from the antenna switching circuit are applied to the limitter D55 and are then passed through the band pass filter D52 L53 The filtered signal is applied to the RF amplifiers Q51 Q52 The amplifier consists of a cascade circuit The amplified signals are passed through the next stage band pass filter D53 D54 L54 L55 to suppress unwanted signals The filtered signals are then applied to the mixer circuit Q401 D53 and D54 track the band pass filters and are controlled by the PLL lock voltage These diodes tune the center fre quency to obtain good image response rejection e 2nd IF AND DEMODULATOR CIRCUITS AF signal DETO to the LOGIC unit R113 R112 C6 C115 5 4 1 4 UHF RF CIRCUIT 2F UNIT The signals from the antenna switching circuit 1F unit D551 D552 D722 D724 and Q204 are applied to the limit ter D201 and are then amplified at the the RF amplifier Q201 The amplified signals are passed through the band pass filter FI201 and are then applied to another RF ampli fier Q202 The amplified signals are applied to the 1st mixer circuit Q401 Common circuits with VHF band are used later
61. ving SQUELCH e Displayed frequency any At the point where the 2 R504 AF signal just disap pears e Connect an SSG to the antenna connector and set as Level 0 089 uV 128 dBm Modulation 1 kHz Deviation 3 5 kHz e Pre set the R504 to maxmum e Receiving e Displayed frequency Push and hold 443 000 MHz USA 3 the CALL key 433 000 MHz Other e Connect an SSG to the antenna connector and set as 0 5 uV 113 dBm Modulation 1 kHz Deviation 3 5 kHz e Connect a terminator to the EXT SP jack e Receiving e Set an SSG output level for the S SSG Output level 0 28 to 0 89 meter to S3 4 dots 118 to 108 dBm This output level of the standard signal generator SSG is indicated as SSG s open circuit 2F UNIT Terminator for the S meter adjustment o O 8 speaker STANDARD SIGNAL GENERATOR SSG 100 500 MHz 127 to 17 dBm 0 1 to 32 mV L102 UHF sensitivity adjustment VHF sensitivity adjustment CP1 sensitivity check point VHF sensitivity check point Squelch level adjustment SECTION 6 PARTS LIST 1F UNIT ORDER i 1110002700 1130007610 1530000371 1510000670 _ 1590001140 1590002730 1530002280 1590001050 1520000430 1530003310 1530003310 1590001690 1590001140 1560000540 1530002280 1590001690 1530000371 1520000460 _ 1540000350 _ 1590001150 151000

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