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IC-V8000 Service Manual

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1. 2020001460 CERAMIC CFWLA450KHFA BO CFWS450HT 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 USA only 7030003470 S RESISTOR ERJ3GEYJ 182 V 1 8 2010002420 MONOLITH 21R15AB FL 310 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 2010002420 MONOLITH 21R15AB FL 310 7030003560 S RESISTOR ERJSGEYJ 103 V 10 7030003490 S RESISTOR ERJ3GEYJ 272 V 2 7 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 6050010800 S XTAL CR 659 21 25 MHz 7030003200 S RESISTOR ERJ3GEYJ 100 V 10 Q 6070000200 DISCRIMINATOR CDBLA450KCAY24 BO 7030003200 S RESISTOR ERJ3GEYJ 100 V 10 Q 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003380 S RESISTOR ERJ3GEYJ 331 V 330 0 6200004480 S COIL MLF1608D R82K T 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 6200002850 S COIL NL 252018T R82J 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 6200001620 S COIL ELJFC 1R0K F 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 6200009920 S COIL C2012C R10G 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 6200009910 S COIL C6342A 88NG A 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 Q 6200004870 S COIL ELJFC 2R7K F 7030003400 S RESISTOR __ 471 V 470 6200004880 S COIL ELJFC 3R3K F 7030003550 S RESISTOR ERJ3GEY 822 V 8 2 6200001620 S COIL ELJFC 1ROK F 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 0 6200006980 S COIL ELJRE R10G F 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 6200006980
2. 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 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 103K T A C1608 CH 1H 200J T A C1608 CH 1H 560J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 103K T A S ELECTROLYTIC ECEV1CA470SP S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 103K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 050C T A S ELECTROLYTIC ECEV1CA100SR 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 040C T A C1608 JB 1H 102K T A C1608 JB 1H 103K T A C1608 CH 1H 270J T A C1608 CH 1H 390J T A C1608 CH 1H 010C T A C1608 JB 1H 102K T A C2012 CH 1H 101J T A C1608 CH 1H 020C T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 390J T A C1608 JB 1H 103K T A C1608 CH 1H 050C T A C1608 JB 1H 102K T A C1608 CH 1H 010C T A C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1CA101UP 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 C1608 CH 1H 300J T A C1608 JB 1E 104K T N C1608 JB 1H 102K T A ERF22X 6C2H 560J D01L GRM111 C1608 CH 1H 020C T A C1608 JB 1E 104K T N C1608 JB 1H 102K T A C1608 JB 1H 103K T A
3. e SERVICE MANUAL VHF FM TRANSCEIVER Icom Inc INTRODUCTION This service manual describes the latest service information for the IC V8000 VHF FM TRANSCEIVER at the time of pub lication VERSION SYMBOL SUPPLIED MICROPHONE HM 118TN 1 5 2 2 USA 3 HM 118TAN To upgrade quality any electrical or mechanical parts and internal circuits are subject to change without notice or obligation 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 SAMPLE ORDER gt 1110003200 516 TA31136FN IC V8000 MAIN UNIT 5 pieces 8810006050 Screw Icom screw E7 8000 Chassis 10 pieces Addresses are provided on the inside back cover for your convenience 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 transceiver 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 trans ceiver s front end REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until the transceiver is
4. 4030006860 4030011600 4030006860 4030006860 4030006860 4030006860 4030011600 4030006860 4030007010 4030006940 4030006860 4030006860 4030006860 4030007050 4030007050 4030006860 4030006860 4030006860 4030006860 4030006860 4030007050 4030007020 4030006860 4030011600 4030007050 4030007050 4030006860 4030007000 4510004630 4030006860 4030007090 4030006860 4030007050 4030006860 4030006860 4030006900 4030011600 4030007080 4030007050 4030006900 4510004630 4030012600 4030007170 4030007170 4030006860 4030007100 4030007100 4030006900 4030006860 4030006860 4030006910 4030006860 4030006860 4030006860 4030006960 4030008900 4030007120 4030006860 4030006860 4510006220 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 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 CH 1H 680J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 080D T A C1608 JB 1H 102K T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A C1608 CH 1H 180J T A C1608 CH 1H 330J T A ECST1AY225R C1608 CH 1H 070D T A
5. ERF22X 6C2H 101J D01L GRM111 ECST1CX106R C1608 JB 1H 102K T A ERF22X 6C2H 560J 0011 GRM111 C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1CA101UP S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC GRM31M2C2H101JV01L GRM42 6 C1608 JB 1H 102 C1608 JB 1H 102 C1608 JB 1H 102 GRM31M2C2H150JV01L GRM42 6 C1608 JB 1H 102 C1608 JB 1H 102 C1608 JB 1H 102 S ELECTROLYTIC ECEV1CA331UP S CERAMIC GRM31M2C2H270JV01L GRM42 6 CH S ELECTROLYTIC ECEV1CA100SR S CERAMIC S CERAMIC S CERAMIC C1608 CH 1H 050C T A C1608 JB 1H 102 C1608 JB 1H 102 S ELECTROLYTIC ECEV1HA010SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 CH 1H 390 C1608 CH 1H 010C T A C1608 CH 1H 050C T A C1608 JB 1H 102 C1608 JB 1H 102 S ELECTROLYTIC ECEV1HA010SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 102 GRM31M4C2H1ROCY21L GRM42 6 Ck C1608 CH 1H 120J T A C1608 JB 1H 223K T A C1608 JB 1H 102 S ELECTROLYTIC ECEV1CA331UP S CERAMIC S CERAMIC S CERAMIC S CERAMIC C2012 JB 1C 104K T A GRM31M4C2H1ROCY21L GRM42 6 Ck C1608 CH 1H 120J T A C1608 JB 1H 102K T A MAIN UNIT 4030006860 4030007040 4030017980 4510006260 4030006860 4030011050 4510006020 4030011210 4030011600
6. 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 ERJ3GEYJ 334 V 330 ERJ3GEYUJ 104 V 100 ERJ3GEYUJ 103 V 10 ERJSGEYJ 184 V 180 ERJ3GEYUJ 222 V 2 2 ERJSGEYJ 392 V 3 9 ERJSGEYJ 102 V 1 ERJ3GEYUJ 101 V 100 333 V 33 ERJ3GEYUJ 104 V 100 473 V 47 ERJ3GEYUJ 103 V 10 ERJ3GEYUJ 103 V 10 ERJSGEY J 224 V 220 ERJ3GEYUJ 102 V 1 MCR50JZHJ 10 100 473 V 47 ERJSGEYJ 682 V 6 8 ERJSGEYJ 822 V 8 2 MCR10EZHJ 4 7 487 ERJSGEYJ 822 V 8 2 ERJSGEYJ 124 V 120 ERJ3GEYUJ 104 V 100 ERJ3GEYUJ 104 V 100 273 V 27 823 V 82 473 V 47 ERJSGEYJ 102 V 1 ERJ3GEYUJ 104 V 100 123 V 12 USA only ERJ3GEYUJ 123 V 12 USA only ERJ3GEYUJ 123 V 12 USA only ERJ3GEYUJ 123 V 12 USA only 153 V 15 USA only ERJ3GEYUJ 153 V 15 USA only S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR S R
7. The illustration is the HM 133V 0 BO BT Self tapping NI ZU Nickel Zinc ZK Black SUS Stainless P gt gt oS Icom Inc 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan Phone 06 6793 5302 Fax 06 6793 0013 URL http www icom co jp world index html Icom America Inc Corporate Headquarters 2380 116th Avenue N E Bellevue WA 98004 U S A Phone 425 454 8155 Fax 425 454 1509 URL http www icomamerica com Customer Service Phone 425 454 7619 Icom Canada Glenwood Centre 4150 6165 Highway 17 Delta B C 588 Canada Phone 604 952 4266 Fax 604 952 0090 URL http www icomcanada com Icom Australia Pty Ltd A B N 88 006 092 575 290 294 Albert Street Brunswick Victoria 3056 Australia Phone 03 9387 0666 Fax 03 9387 0022 URL http www icom net au Icom New Zealand 146A Harris Road East Tamaki Auckland New Zealand Phone 09 274 4062 09 274 4708 URL http Avww icom co nz Beijing Icom Ltd 1305 Wanshang Plaza Shijingshan Road Beijing China Phone 010 6866 6337 Fax 010 6866 3553 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 Spain S L Crta de Gracia a Manresa Km 14 750 08190 Sant del Valles Barcelona SPAIN Phone 93 590 26 70 Fax 93 589 04 46 URL http
8. 2509 Chassis 1 2509 Fan holder 2509 Cover Screw BT M3 x 8 NI ZU BT Screw BT M3 x 8 NI ZU BT Screw BT M3 x 8 NI ZU BT Screw H M2 6x 8 Hex socket bolt M3 x 20 ZK Screw M2 6 x 6 ZK Thermally sheet C Screw M3 x 30 ZK 2509 Shield plate Rubber sheet BA Sheet BZ DESCRIPTION L1 0256TAM Encoder 248 Speaker 045 0804 FX2509 0110 LCD contact SRCN 2509 SP N W 2509 Front panel 2509 LCD filter 2509 Rellectort 2509 A keyboard 2509 B keyboard 2509 C keyboard 2509 Front plate Knob N 267 2 Knob N 291 Screw M2 x 8 NI ZU Cable OPC 1131 2399 Heatsink 2509 VCO case 2509 VCO cover ORDER NO DESCRIPTION KR N ORDER NO DESCRIPTION 1 5210000080 0880001060 0800005740 0800005820 0800005720 8900010990 8010016730 8930041170 8820000530 8810000950 8850000180 8850000500 8810000470 8830000250 8930007300 MP4 Screw abbreviations MECHANICAL PARTS AND DISASSEMBLY ACCESSORIES REF NO ORDER NO DESCRIPTION Fuse 20A Microphone HM 133 ACC CSA 1 USA 2 Microphone HM 118TN CSA Microphone HM 118N SEA Microphone HM 118TAN USA 3 Cable OPC 1132 150 Mobil bracket 452 Felt Flange bolt M4 x 8 Screw A0 M5 x 16 Flat washer M5 SUS Spring washer M5 SUS Screw M5 x 12 Nut M5 SUS MIC hanger USA only 0000 6600 TEE
9. C1608 CH 1H 100D T A C1608 JB 1H 102K T A C1608 CH 1H 070D T A C1608 CH 1H 040C T A C1608 JB 1H 102K T A C1608 CH 1H 120J T A C1608 CH 5 C1608 JB 1H 102K T A C1608 CH 1H 5 C1608 JB 1H 102K T A C1608 JB 1E 104 C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1E 104K T N C1608 JB 1H 102K T A C1608 CH 1H 100D T A C1608 CH 1H 030C T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 220J T A C1608 CH 1H 220J 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 C1608 JB 1H 102K T A C1608 CH 1H 220J T A C1608 CH 1H 120J T A C1608 JB 1H 102K T A C1608 JB 1E 104K T N C1608 CH 1H 220J T A C1608 CH 1H 220J T A C1608 JB 1H 102K T A C1608 CH 1H 090D T A S ELECTROLYTIC ECEV1CA100SR 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 CH 1H 220J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 103K T A C1608 JB 1E 104 C1608 CH 1H 390J T A C1608 CH 1H 220J T A C1608 JB 1H 103K T A S ELECTROLYTIC ECEV1CA100SR 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 C20
10. CPU pin 19 SD signal to the CPU pin 97 The signals are applied to the AF power amplifier circuit IC9 pin 1 to obtain the specified audio level The amplified AF signals output from pin 4 are applied to the internal speaker CHASSIS UNIT SP1 via the speaker jack J6 when no plug is connected to the external speaker jack J1 4 1 6 SQUELCH CIRCUIT MAIN AND LOGIC UNITS 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 analog swtich A portion of the AF signals from the FM IF IC IC4 pin 9 are applied to the D A converter IC5 pin 13 as the DETO sig nal The signals from the D A converter IC5 pin 14 are applied to the FM IF IC active filter section IC4 pin 8 where noise components are amplified and detected with an inter nal noise detector via the SQLIN line The trigger circuit converts the detected signals to a HIGH or LOW signal and applies this from pin 13 to the CPU LOGIC UNIT IC7 19 as the NOIS signal The CPU controls the analog swtich IC LOGIC UNIT 106 via the expander IC LOGIC UNIT IC8 When the CPU receives a HIGH level NOIS signal the CPU controls the RMUT line to cut the AF signals at the analog swtich IC LOGIC UNIT IC6 At the same time the AFON line controls the AF mute circuit Q29 to cut out the VOLOUT signal for the AF power amplifier 109 4 2 TRANSMITTER CIRCUITS 4 2 1 M
11. JB 1E 104K T N GRM31M2C2H470JV01L GRM42 6 CH GRM31M2C2H220JV01L GRM42 6 CH C1608 CH 1H 090D T A C1608 JB 1H 103K T A C1608 JB 1E 104K T N GRM31BR32J102KY01L GHM1030 R GRM31M2C2H101JV01L GRM42 6 CH GRM31M2C2H390JV01L GRM42 6 GRM31M2C2H390JV01L GRM42 6 CH USA only C1608 JB 1H 102K T A USA only C1608 JB 1E 104K T N USA only C1608 CH 1H 181J T A C1608 CH 1H 331 C1608 CH 1H 020C T A C1608 JB 1H 102 C1608 JB 1E 104K T N C1608 JB 1H 102 C1608 JB 1E 104K T N C1608 JB 1H 102K T A C1608 CH 1H 0600 C1608 JB 1E 104K T N C2012 JF 1C 105Z T A 52330 1217 52330 1217 PJ 0008P 5 Al B2B ZR SM3 TF B2B ZR SM3 TF JPW V SEA CSA only JPW V SEA CSA only ERJ3GE JPW V ERDS2TO 1131 MMZ1608Y 10281 MMZ1608Y 10281 58008 S Surface mount SECTION 6 6 1 IC V8000 CHASSIS PARTS J1 6510004880 2710000720 8010018801 8030056880 8110007670 8810008660 8810008660 8810008660 8810008030 8810005160 8810009610 8930039610 8810010140 8510014500 8930057880 8930048390 LOGIC BOARD REF NO ORDER NO 5030002250 2250000370 2510001150 8600036880 8930057360 8210018440 8930057300 8210018450 8930056850 8930056860 8930056870 8510014340 8610010602 8610011140 8810008760 MAIN UNIT W6 1 2 8900010980 8410002380 8510014470 8510014460 Connector MR DSE 01 Fan DF125020BH
12. RX VCO s regulator control signals 11 SHIFT High While receiving Low While transmitting Outputs R5 regulator control signal Low While receiving Outputs TX power control signal High While transmitting SECTION 5 PARTS LIST LOGIC BOARD LOGIC BOARD ORDER ORDER kika _____ EOE seems 1110002860 S IC TA75S393F 85 7030003570 S RESISTOR 123 V 12 1130004200 S IC TC4S66F TE85R 7030003680 S RESISTOR 104 V 100 1110005340 S IC NJM12902V TE1 7030003400 S RESISTOR 471 V 470 1130009110 S IC S 80942ANMP DD6 T2 7030003700 S RESISTOR ERJ3GEYJ 154 V 150 1130009680 S IC HN58X2432TI 7030003640 S RESISTOR ERJSGEYJ 473 V 47 1130008090 S IC BU4066BCFV E1 7030003570 S RESISTOR 123 V 12 1140010400 S IC HD6433876B53H FX 2509A 7030003800 S RESISTOR ERJ38GEYJ 105 V 1 ine 1130007570 S IC BU4094BCFV E2 7030003800 S RESISTOR ERJSGEYJ 105 V 1 7030003800 S RESISTOR ERJ3GEYJ 105 V 1 7030003510 S RESISTOR 392 V 3 9 1530002690 S TRANSISTOR 2SC4116 GR TE85R 7410000950 S ARRAY EXB V8V 102JV 1590000430 S TRANSISTOR DTC144EUA T106 7030003680 S RESISTOR ERJSGEYJ 104 V 100 1590001650 S TRANSISTOR XP4601 TX 7030003800 S RESISTOR 105 V 1 1590000430 S TRANSISTOR DTC144EUA T106 7030003610 S RESISTOR ERJSGEY
13. S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1E 104K T N C1608 JB 1H 682K T A C1608 JB 1H 333K T A C1608 JB 1E 104K T N C1608 JB 1H 103K T A C1608 JB 1H 182K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1E 104K T N C1608 JB 1H 473K T A C1608 JB 1H 473K T A C1608 JB 1H 562K T A C1608 JB 1H 103K T A C1608 JB 1H 223K T A C1608 JB 1E 104K T N C1608 JB 1H 222K T A C1608 JB 1E 104K T N C1608 CH 1H 221J T A C1608 JB 1H 273K T A C1608 CH 1H 470J T A C1608 CH 1H 680J T A C1608 JB 1H 103K T A C1608 CH 1H 040C T A C1608 JB 1H 222K T A C1608 JB 1H 272K T A C1608 CH 1H 150J T A C1608 JB 1H 102K T A C1608 JB 1H 103K T A C1608 JB 1H 103K T A C1608 JB 1H 103K T A S ELECTROLYTIC ECEV1CA100SR S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC C1608 JB 1E 104K T N C1608 JB 1E 104K T N C1608 JB 1H 103K T A C1608 JB 1H 103K T A C1608 JB 1H 333K T A S ELECTROLYTIC ECEV1HA2R2SR S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 562K T A C1608 CH 1H 271J T A C1608 JB 1H 333K T A S ELECTROLYTIC ECEV1HA2R2SR S CERAMIC S CERAMIC CONNECTOR CONNECTOR CONNECTOR C1608 JB 1H 103K T A C1608 CH 1H 221J T A 3017 8821 lt gt 53244 1217 53244 1217 S CONNECTOR AXN330C130P S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED S LED LCD SEC 2422 SEC 2422 SEC 2422 SEC 2422 SEC 2422 SEC 2422G SEC 2422 SEC 2422 SML 310MT T86 SML
14. S COIL ELJRE R10G F 7030003420 S RESISTOR ERJ3GEYJ 681 V 680 0 6200006980 S COIL ELJRE R10G F 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 6200006990 S COIL ELJRE 56NG F 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 6200007000 S COIL ELJRE 82NG F 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 6200005740 S COIL ELJRE 47NG F 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 6200004920 S COIL MLF1608A 2R2K T 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 6200005740 S COIL ELJRE 47NG F 7030003460 S RESISTOR ERJ3GEYJ 152 V 1 5 6200006980 S COIL ELJRE R10G F 7030003220 S RESISTOR ERJ3GEYJ 150 V 15 Q 6200006670 S COIL ELJRE 68NG F 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 6200005680 S COIL ELJRE 15NG F 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 Q 6200003590 S COIL EXCCL3225U1 7030003620 S RESISTOR ERJ3GEYJ 333 V 33 6200003280 S COIL NL 252018T 2R2J 7030003670 S RESISTOR ERJ3GEY 823 V 82 6200003280 S COIL NL 252018T 2R2J 7030003480 S RESISTOR ERJ3GEY 222 V 2 2 6200003590 S COIL EXCCL3225U1 7030003260 S RESISTOR 330 V 33 Q 6200008260 S COIL 0 30 1 7 8TL 60N 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 6200008490 S COIL 0 30 0 9 3TR 7 5N 7030003360 S RESISTOR ERJ3GEYJ 221 V 220 0 6200009930 S COIL C2012C 68NG 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 6200009930 S COIL C2012C 68NG 7030003680 S RESISTOR ERJ3GEYJ 104 V
15. dis connected from its power source 3 DO NOT force any of the variable components Turn them slowly and smoothly 4 DO NOT short any circuits or electronic parts An insulat ed turning tool MUST be used for all adjustments 5 DO NOT keep power ON for a long time when the trans ceiver is defective 6 DO NOT transmit power into a signal generator or a sweep generator 7 ALWAYS connect a 50 dB to 60 dB attenuator between the transceiver and a deviation meter or spectrum ana lyzer when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the transceiver SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION 4 1 4 2 4 3 4 4 4 5 6 1 6 2 8 1 8 2 8 3 10 10 1 10 2 10 3 TABLE CONTENTS SPECIFICATIONS INSIDE VIEWS DISASSEMBLY AND OPTION INSTRUCTIONS CIRCUIT DESCRIPTION RECEIVER CIRCUITS TRANSMITTER CIRCUITS PLL CIRCUITS POWER SUPPLY CIRCUITS PARTS LIST MECHANICAL PARTS AND DISASSEMBLY je HM 133V SEMI CONDUCTOR INFORMATION BOARD LAYOUTS HM 133V LOGIC BOARD MAIN UNIT BLOCK DIAGRAM VOLTAGE DIAGRAM MAIN UNIT LOGIC BOARD HM 133V PORT ALLOGCAIIONS wv ibo SECTION 1 SPECIFICATIONS GENERAL Frequency coverage Type of emission Frequency stability Tuning ste
16. 06860 4030011600 4030008920 4030008920 4030008770 4030006900 4030008880 4030011600 4030006870 4030011600 4030007170 4030008890 4030007090 4030007110 4030006900 4030006950 4030006870 4030008470 4030007030 4030006860 4030006900 4030006900 4030006900 4510004630 4030011600 4030011600 4030006900 4030006900 4030008900 4510005860 4030008770 4030011280 4030008900 4510005860 4030006900 4030007170 6450002210 6510020880 6510020880 6510021970 5040001760 5040001760 5040001760 5040001760 5040001760 5040001760 5040001760 5040001760 5040002420 5040002420 5040002420 5040002420 5040002420 5030002250 BOARD ORDER kiku 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 CH 1H 470J T A C1608 JB 1H 102K T A C1608 JB 1H 103K 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 C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 103K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 470J T A C1608 CH 1H 470J T A S ELECTROLYTIC ECEV1CA100SR 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
17. 100 2040000490 COIL EXC ELDR25C 7030003290 S RESISTOR ERJ3GEYJ 560 V 56 Q 2040000490 COIL EXC ELDR25C 7030003720 S RESISTOR 224 V 220 6110001680 COIL LA 254 7030003620 S RESISTOR 333 V 33 6200010040 S COIL 5100340 10 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 Q 6200009920 S COIL C2012C R10G 7030003370 S RESISTOR ERJ3GEYJ 271 V 270 Q 6200010050 S COIL AS080547 47N 7030003470 S RESISTOR ERJ3GEY 182 V 1 8 6170000180 COIL LW 19 SEA CSA 6200007370 S COIL ELJFC R82K F 7030003510 S RESISTOR 392 V 3 9 USA 6200009750 S COIL 0 30 2 0 7TL 68N 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 0 6200010050 S COIL 5080547 47 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 6200008150 S COIL 0 35 1 6 7TL 44N 7030003360 S RESISTOR ERJ3GEYJ 221 V 220 0 6200010060 S COIL AS080647 56N 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 6200010070 S COIL AS080747 68N 7030003290 S RESISTOR ERJ3GEYJ 560 V 56 Q 6200010070 S COIL AS080747 68N 7030003620 S RESISTOR ERJ3GEYJ 333 V 33 6200002910 S COIL NL 252018T R27J 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 6200010050 S COIL AS080547 47N 7030003400 S RESISTOR __ 471 V 470 Q 6200002180 S COIL NL 252018T R12J 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 6200005710 S COIL ELJRE 27NG F 7030003620 S RESISTOR ERJ3GEYJ 333 V 33
18. 10000950 S ARRAY EXB V8V 102JV 7030003480 S RESISTOR ERJSGEYJ 222 V 2 2 7030003390 S RESISTOR ERJSGEYJ 391 V 390 7030003600 S RESISTOR ERJSGEYJ 223 V 22 7030003690 S GESISTOR ERJSGEYJ 124 V 120 7030003560 S RESISTOR ERJSGEYJ 103 V 10 7030003590 S RESISTOR 183 V 18 7030003680 S RESISTOR ERJSGEYJ 104 V 100 7030003440 S RESISTOR ERJSGEYJ 102 V 1 7030003680 S RESISTOR ERJSGEYJ 104 V 100 7030003310 S GESISTOR 820 V 82 Q 7030003450 S RESISTOR ERJSGEYJ 122 V 1 2 7030003630 S RESISTOR ERJSGEYJ 393 V 39 7030003560 S RESISTOR ERJSGEYJ 103 V 10 7030003340 S RESISTOR ERJ3GEYJ 151 V 150 Q 7030003320 S RESISTOR ERJSGEYJ 101 V 100 7030003640 S RESISTOR ERJSGEYJ 473 V 47 7030003660 S RESISTOR ERJSGEYJ 683 V 68 7030003380 S RESISTOR ERJSGEYJ 331 V 330 7030003660 S RESISTOR ERJSGEY J 683 V 68 7030003520 S RESISTOR ERJSGEYJ 472 V 4 7 7210001860 VARIABLE EVU F2AF20 B14 10KB 7030003410 S RESISTOR ERJSGEY J 561 V 560 7030003440 S RESISTOR ERJ38GEYJ 102 V 1 7030003700 S RESISTOR ERJ3GEYJ 154 V 150 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 SEA CSA 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 7030003670 S RESISTOR ERJ3GEYJ 823 V 82 USA 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003440 S RESISTOR ER
19. 111 TX USA only 7030003630 S RESISTOR ERJSGEYJ 393 V 39 1750000520 S DIODE DAN222TL 7030003560 S RESISTOR ERJSGEYJ 103 V 10 1750000520 S DIODE DAN222TL 7030003720 S RESISTOR 224 V 220 1790001250 S DIODE 25111 5 7030003740 S RESISTOR ERJ3GEYJ 334 V 330 1790001250 S DIODE MA2S111 TX SEA only 7030003700 S RESISTOR ERJ3GEYJ 154 V 150 1790001240 S DIODE MA2S728 TX 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 7030003590 S RESISTOR ERJSGEYJ 183 V 18 7030003530 S RESISTOR 562 V 5 6 6050010870 S XTAL 663 9 200 2 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003520 S RESISTOR 472 V 4 7 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 7030004780 S RESISTOR ERJSGEYF 123 V 12 7030003690 S RESISTOR ERJSGEYJ 124 V 120 7030009550 S RESISTOR ERJ3EKF 1203 V 120 7030003440 S RESISTOR ERJSGEYJ 102 V 1 7030003560 S RESISTOR ERJSGEYJ 103 V 10 7030003300 S RESISTOR 680 68 7030003560 S RESISTOR ERJSGEYJ 103 V 10 7030003460 S RESISTOR 152 V 1 5 7030005521 S RESISTOR ERAS3YKD 334V 7030003550 S RESISTOR 822 V 8 2 7030003680 S RESISTOR ERJSGEYJ 104 V 100 7030003350 S RESISTOR ERJ3GEYJ 181 V 180 Q 7030003320 S RESISTOR ERJSGEYJ 101 V 100 74
20. 12 JB 1A 105M T A C1608 CH 1H 221J T A C1608 CH 1H 221J T A C1608 JB 1H 102K T A C1608 CH 1H 560J T A C1608 CH 1H 560J T A C1608 JB 1H 103K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 5 C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A C1608 CH 1H 050C T A C1608 JB 1H 333K T A C1608 CH 1H 820J T A C1608 JB 1H 102K T A C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1CA101UP S Surface mount MAIN UNIT ORDER ORDER R 4030006860 4030006860 4030006860 4030006900 4030009990 4030007100 4030006860 4030006860 4030006900 4510004640 4030006900 4030006860 4030006860 4030006960 4510004630 4030006860 4030006950 4030006860 4030006900 4030007060 4030007080 4030006920 4030006860 4030004990 4030006930 4030006860 4030006860 4030007080 4030006900 4030006960 4030006860 4030006920 4030006860 4510006220 4030008560 4030011600 4030006860 4030017880 4030006930 4030011600 4030006860 4030006900 4030017890 4550006210 4030006860 4030017880 4030006860 4030006860 4030006860 4030006860 4510006220 4030011730 4030006860 4030006860 4030006860 4030011160 4030006860 4030006860 4030006860 4510006250 4030011190 4510004630 4030006960 4030006860 4030006860 4510004440 4030007080 4030006920 4030006960 4030006860 4030006860 4510004440 4030006860 4030011020 4030007020 4030008880 4030006860 4510006250 4030008960 4030011020 4030007020 4030006860
21. 310MT T86 SML 310MT T86 SML 310MT T86 SML 310MT T86 L1 0256TAM 2250000370 2510001150 8600036880 6910012350 6910012350 6910012350 6910012350 6910012350 6910012350 6910012350 6910012350 8930057360 0910055312 MAIN UNIT ORDER 1130008350 1130007700 1110003200 1190000350 1110005330 1180001250 1180000420 1110003090 1530002850 1590001650 1530002850 1530002850 1530002850 1530002920 1530002920 1590001040 1530003220 1560000810 1530003220 1530003220 1590000720 1510000690 1530002850 1530003220 1530000370 1560001100 1580000660 1560001060 1590001010 1590000430 1560001190 1590001010 1590000720 1580000660 1530002970 1530003090 1510000890 1590001320 1530002850 1520000460 1530002850 1790001250 1750000720 1750000770 1750000720 1750000720 1790000620 1790000620 1750000710 BOARD ORDER kiku ENCODER EVQ VENF0124B SPEAKER 045P0804 lt KS gt FX2509 P01LO S BEAD MMZ1608Y 102BT S BEAD MMZ1608Y 102BT S BEAD MMZ1608Y 102BT S BEAD MMZ1608Y 102BT S BEAD MMZ1608Y 102BT S BEAD MMZ1608Y 102BT S BEAD MMZ1608Y 102BT S BEAD MMZ1608Y 102BT LCD CONTACT SRCN 2509 SP N W PCB B 5801B S IC LV2105V TLM S IC BU4094BCF T1 S IC TA31136FN EL S IC M62363FP 650C S IC NJM12904V TE1 S IC TA7808F TE16L S IC TA78LO5F TE12R IC LA4425A S TRANSISTOR 2SC4116 BL TE85R S TRANSISTOR XP4601 TX 5 TRANSISTOR 2SC4116 BL TE85R 5 TRANSISTOR 2SC4116 BL TE85R 5 TRANSIST
22. 4030011160 4030006860 4030006860 4030006860 4510004640 4030011600 4030011600 4030011240 4030011180 4030007000 4030006900 4030011600 4030017200 4030011730 4030011230 4030011230 4510004630 4030006860 4030011600 4030007160 4030010760 4030006930 4030006860 4030011600 4030006860 4030011600 4030006860 4030006970 4030011600 4030008680 6510018040 6510018040 6450002220 6510014960 6510014960 7030003860 7030003860 7030003860 7120000470 8900010980 6910012350 6910012350 0910055322 S CERAMIC S CERAMIC S CERAMIC C1608 JB 1H 102 C1608 CH 1H 180J T A ERF22X 6C2H 470J 0011 S ELECTROLYTIC ECEV1AA471UP S CERAMIC S CERAMIC C1608 JB 1H 102 GRM31M3C2H3ROCY21L GRM42 6 CJ ELECTROLYTIC 16 MV 2200 HC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC GRM31M2C2H330JV01L GRM42 6 CH C1608 JB 1E 104K T N GRM31M2C2H150JV01L GRM42 6 C1608 JB 1H 102 C1608 JB 1H 102 C1608 JB 1H 102 S ELECTROLYTIC ECEV1CA470SP S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S ELECTROLYTIC ECEV1CA100SR 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 CONNECTOR CONNECTOR CONNECTOR S CONNECTOR S CONNECTOR S JUMPER S JUMPER S JUMPER JUMPER CABLE S BEAD S BEAD PCB C1608 JB 1E 104K T N C1608
23. 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 7030000230 S RESISTOR MCR10EZHJ 56 Q 560 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 7030000660 S RESISTOR 1 2 220 7030003560 S RESISTOR 103 V 10 7030009980 S RESISTOR ERJ12RSJR15U S Surface mount MAIN UNIT MAIN UNIT ORDER ORDER mar IE ik 224 V 220 104 V 7030003720 S RESISTOR 7030003680 S RESISTOR 4550006250 S TANTALUM 4550006760 S TANTALUM TEMSVA 1A 106M 8L 100 TEMSVB2 1A 336M 8R 7030003740 7030003680 7030003560 7030003710 7030003480 7030003510 7030003440 7030003320 7030003620 7030003680 7030003640 7030003560 7030003560 7030003720 7030003440 7030001010 7030003640 7030003540 7030003550 7030000100 7030003550 7030003690 7030003680 7030003680 7030003610 7030003670 7030003640 7030003440 7030003680 7030003570 7030003570 7030003570 7030003570 7030003580 7030003580 7030006070 7030009980 7030003270 7030003340 7030003340 7030003490 7030003640 7030003640 7030003620 7030003610 7030000230 7030000230 7030003680 7030003560 7030003680 7030003340 7030003270 7030003340 7030003440 7030003680 7030003560 7030003320 7030003640 7030003440 4550006410 4030006860 4510004440 4030011600 4030006900 4030006860 4030006860 4030006860 4510004640 S RESISTOR S RESISTOR S RESISTOR S RESISTOR S RESISTOR
24. C typical The amplified signal passes through the low pass filter L37 139 C151 C156 C159 C167 C176 227 229 and then applied to the antenna swtiching circuit D12 The signal is applied to the antenna connector CHASSIS UNIT J1 after being passed through the low pass filter L44 147 L48 151 C190 C197 C203 C208 C210 C217 C218 The bias current of the drive Q18 Q20 and power Q23 amplifiers is controlled by the APC circuit to stabilize the out put power 4 2 4 CIRCUIT MAIN UNIT The APC Automatic Power Control circuit IC6a Q26 pro tects drive and power amplifiers from excessive currents and selects HIGH or LOW output power The output voltage from the power detector circuit D14 D17 is applied to the differential amplifier IC6a pin 2 and the T3 signal from the D A converter IC5 pin 23 is applied to the other input for reference When the driving current increases the input voltage of the differential amplifier IC6a pin 2 will be increased In such cases the differential amplifier output voltage pin 1 is decreased to reduce the drive current Q26 is controlled by the TXC signal from the expander IC IC2 pin 14 to select HIGH or LOW output power L44 C190 C191 C196 C197 LPF 4 Power detector circuit D12 D14 4 3 PLL CIRCUITS 4 4 SUPPLY CIRCUITS 4 3 1 PLL CIRCUIT MAIN AND LOGIC
25. ESISTOR S RESISTOR S RESISTOR ERJ12YJ101U 100 ERJ12RSJR15U ERJ3GEYUJ 390 V 39 0 ERJ3GEYUJ 151 V 150 ERJ3GEYUJ 151 V 150 ERJSGEYJ 272 V 2 7 USA only ERJ3GEYUJ 473 V 47 USA only ERJ3GEYUJ 473 V 47 USA only ERJ3GEYUJ 333 V 33 ERJ3GEYUJ 273 V 27 MCR10EZHJ 56 Q 560 MCR10EZHJ 56 Q 560 ERJ3GEYUJ 104 V 100 ERJ3GEYUJ 103 V 10 ERJ3GEYUJ 104 V 100 ERJ3GEYUJ 151 V 150 ERJ3GEYUJ 390 V 39 0 ERJ3GEYUJ 151 V 150 ERJSGEYJ 102 V 1 USA only ERJSGEYJ 104 V 100 USA only 10 100 Q 47 kQ 1 kQ 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 ERJSGEYJ 103 V 101 V ERJSGEYJ 473 V ERJSGEYJ 102 V S TANTALUM ECST1VY334R S CERAMIC C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1HA010SR S CERAMIC C1608 JB 1E 104 S CERAMIC C1608 JB 1H 103K T A S CERAMIC C1608 JB 1H 102K T A S CERAMIC C1608 JB 1H 102K T A S CERAMIC C1608 JB 1H 102K T A S ELECTROLYTIC ECEV1CA470SP 4030007110 4030006860 4030006860 4030006990 4030006860 4030007090 4030007090 4030007040 4030007070 45500061 70 4030006980 4030007010 4030006860 4030006980 4030006950 4030006860 4030007020 4030009500 4030006860 4030009500
26. HM 133V is connected Input port for the optional unit detec Outputs strobe signals to the PLL IC PLLSTB 161 pin 4 Outputs PLL IC IC1 pin 2 clock sig Outputs strobe signal to the 47 EXSTB expander IC IC2 pin 1 OPV3 Input port for the optional unit detec tion signal 49 51 a I O port for optional unit control signal Outputs low pass filter cut off frequen 5 DUSE control signal when DTCS is acti vated Port m ume me Outputs EEPROM LOGIC unit 105 55 I O port for the data signals from to the EEPROM LOGIC unit IC5 pin 5 Input port for the microphone up down signal while connecting the micro 4 5 2 CONVERTOR MAIN UNIT 105 Port D ipti name escription E transmit devetion control sig SQLATT Outputs attenuator control signal Outputs tunable bandpass filter con 10 T4 trol signal while receiving Outputs TX power control signal while transmitting 11 23 T2 T3 Output tunable bandpass filter control signals SQLIN Outputs squelch control signal Outputs DTCS s gradient control sig nal 22 Outputs reference frequency control signal to X1 4 5 3 I O EXPANDER IC MAIN UNIT 2 Port D ipti ane escription Outputs cooling fan control signal The fan speed is depended as shown below Fan speed FANC FANC1 E NNNM Outputs AF mute circuit control signal E AFMUTE High While AF mute is ON Outputs TX and
27. ICROPHONE AMPLIFIER CIRCUIT LOGIC AND MAIN UNITS 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 microphone pass through the MIC switch 122 D4 and high pass filter IC3a pin 2 and are then applied to the microphone amplifier circuit IC3d pin 12 via the R39 and C47 for 6 dB octave pre emphasis The amplified AF signals are applied to the analog swtich 106 4 and are then applied to the D A converter MAIN UNIT 105 pin 1 the MODIN signal The AF signals are applied to the modulator circuit via the MOD signal APC CIRCUIT HV SWHV O RF signal from SR PLL IC IC1 Uriver river amp amp 5V O Sn a APC control circuit Q23 Power p amp 4 2 2 MODULATION CIRCUIT MAIN UNIT The modulation circuit modulates the VCO oscillating signal RF signal using the microphone audio signals The audio signals SHIFT change the reactance of D2 to modulate an oscillated signal at the VCO Q6 D4 The oscillated signal is amplified at the LO Q9 and buffer Q11 amplifiers then applied to the TX RX switch circuit D6 D7 4 2 3 DRIVE POWER AMPLIFIER CIRCUITS MAIN UNIT The signal from the VCO circuit passes through the TX RX swtiching circuit 06 and is amplified at the pre drive 017 drive Q18 Q20 and power Q23 amplifiers to obtain 75 W of RF power at 13 8 V D
28. J 273 V 27 1590000660 S TRANSISTOR DTC144TU T106 7030003800 S RESISTOR 105 V 1 1510000510 S TRANSISTOR 25 1576 T106R 7030003200 S RESISTOR ERJ3GEYJ 100 V 100 1530002690 S TRANSISTOR 2SC4116 GR TE85R 7030003440 S RESISTOR ERJSGEYJ 102 V 1 1530002690 S TRANSISTOR 2SC4116 GR TE85R 7030003820 S RESISTOR ERJ3GEYJ 155 V 1 5 1590000430 S TRANSISTOR DTC144EUA T106 7030003440 S RESISTOR ERJSGEYJ 102 V 1 USA only 1530002690 S TRANSISTOR 2SC4116 GR TE85R 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 SEA CSA only 7030004050 S RESISTOR ERJ3GEYJ 1RO0 V 1 1730002280 S ZENER MA8091 M TX 7030003580 S RESISTOR ERJSGEYJ 153 V 15 1790001250 S DIODE 25111 7030003680 S RESISTOR 104 V 100 1730002280 5 8091 7030003580 S RESISTOR ERJSGEYJ 153 V 15 1750000520 S DIODE DAN222TL 7030003650 S RESISTOR ERJ3GEYUJ 563 V 56 1750000370 S DIODE DA221 TL 7030003650 S RESISTOR ERJSGEYJ 563 V 56 1750000520 S DIODE DAN222TL 7030003650 S RESISTOR ERJSGEYJ 563 V 56 1750000520 S DIODE DAN222TL 7030003800 S RESISTOR 105 V 1 1750000520 S DIODE DAN222TL 7030003560 S RESISTOR 103 V 10 1790001250 S DIODE MA2S111 TX SEA USA only 7030003560 S RESISTOR 103 V 10 1790001250 S DIODE MA2S
29. J3GEYJ 102 V 1 7030003580 S RESISTOR ERJ3GEYJ 153 V 15 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003560 S RESISTOR __ 103 V 10 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003690 S RESISTOR ERJ3GEYJ 124 V 120 7030003610 S RESISTOR ERJ3GEY 273 V 27 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 USA only 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 7030003580 S RESISTOR __ 153 V 15 7030003590 S RESISTOR ERJ3GEYJ 183 V 18 7210001870 VARIABLE EVU F2AF20 A14 10KA 7030003450 S RESISTOR ERJ3GEY 122 V 1 2 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 4030006860 S CERAMIC C1608 JB 1H 102K T A 7030003440 S RESISTOR 102 V 1 7030003590 S RESISTOR ERJ3GEYJ 183 V 18 S Surface mount 4030007090 4030006860 4030006900 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030006860 4030006900 4030006860 4030006860 4030006860 4030007090 4030007090 4510004630 4030011600 4030009880 4030008900 4030011600 4030006900 4030009970 4030006860 40300
30. M20124AG473J T 1750000550 S DIODE 1SS355 TE 17 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 1710000870 S DIODE HVU131TRF 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 1790000980 S DIODE MA742 TX 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 1790001250 S DIODE MA2S111 TX 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 1710001080 DIODE XB15A308 7030003320 S RESISTOR __ 101 V 100 0 1730000520 ZENER RD20E B2 7030003490 S RESISTOR ERJ3GEYJ 272 V 2 7 1790000700 DIODE DSA3A1 7030003800 S RESISTOR ERJ3GEYJ 105 V 1 1790001520 S ZENER MA8075 L TX 7030003730 S RESISTOR ERJ3GEYJ 274 V 270 1790001250 S DIODE MA2S111 TX USA only 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 1790001250 S DIODE MA2S111 TX USA only 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 1790001250 S DIODE 25111 USA only 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 1790001250 S DIODE MA2S111 TX USA only 7030003550 S RESISTOR ERJ3GEYJ 822 V 8 2 1710001060 DIODE XB15A407 7030003530 S RESISTOR ERJ3GEYJ 562 V 5 6 1790000980 S DIODE MA742 TX 7030003380 S RESISTOR ERJ3GEYJ 331 V 330 0 1750000370 S DIODE DA221 TL 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 7030003480 S RESISTOR ERJSGEYJ 222 V 2 2 2020001520 CERAMIC CFWLA450KFFA BO CFWS450F 7030003560 S RESISTOR ERJ3GEYJ 103 V 10
31. OR 2SC4116 BL TE85R S TRANSISTOR 2SC4226 T1 R25 S TRANSISTOR 2SC4226 T1 R25 S TRANSISTOR DTA113ZU T106 S TRANSISTOR 2SC4406 4 TL S FET 2SK1069 4 TL S TRANSISTOR 2SC4406 4 TL S TRANSISTOR 2SC4406 4 TL S TRANSISTOR DTA144EUA T106 S TRANSISTOR 2SA1734 TE12R S TRANSISTOR 2SC4116 BL TE85R S TRANSISTOR 2SC4406 4 TL S TRANSISTOR 2SC3356 T1B S FET 25 3074 TE12L S FET 3SK272 TX S FET 25 3075 TE12L S TRANSISTOR DTB113ZK T147 S TRANSISTOR DTC144EUA T106 FET RD70HVF S TRANSISTOR DTB113ZK T147 S TRANSISTOR DTA144EUA T106 S FET 3SK272 TX S TRANSISTOR 2SC4684 TE16R S TRANSISTOR 2SC4213 B TE85R S TRANSISTOR DTA143TU T106 S TRANSISTOR DTC143ZUA T106 S TRANSISTOR 2SC4116 BL TE85R S TRANSISTOR 2881132 T100 R 5 TRANSISTOR 2SC4116 BL TE85R USA only S DIODE MA2S111 TX S VARICAP HVC375BTRF S VARICAP HVC376BTRF S VARICAP HVC375BTRF S VARICAP HVC375BTRF S DIODE 77 TX S DIODE 77 TX S VARICAP HVC350BTRF S Surface mount MAIN UNIT MAIN UNIT ORDER ORDER 1750000710 S VARICAP HVC350BTRF 7030003760 S RESISTOR ERJSGEYJ 474 V 470 1750000710 S VARICAP HVC350BTRF 7030003300 S RESISTOR 680 V 68 Q 1710001060 DIODE XB15A407 7030003520 S RESISTOR ERJSGEYJ 472 V 4 7 1750000710 S VARICAP HVC350BTRF 7030003420 S RESISTOR ERJ3GEYJ 681 V 680 0 1790000980 S DIODE 742 7510001280 S THERMISTOR NTCC
32. PU LOGIC UNIT IC7 age The lock voltage is also used for the receiver tunable band pass filters to match the filter s center frequency to the eic desired receive frequency The lock voltage is passed Common 8 V converted from the 13 8 V line by through the loop filter Q2 and then applied to the DC the 8 regulator circuit IC7 amplifier Q10 The amplified signal IS applied to the CPU The output voltage is applied to the LO 09 LOGIC unit IC7 pin 98 via the LVIN signal signal 15 buffer Q11 amplifiers etc analyzed at the CPU and then applied to bandpass filters 09 011 013 as 1 2 signals via the D A con Common 5 V converted from the 8 V line by the verter 5V regulator circuit 021 022 Transmit 8 V controlled by the T8V regulator cir cuit 014 015 using the signal from the The VCO circuit contains a separate TX VCO Q6 D2 D4 and RX VCO 07 05 oscillated signal is amplified at 9 V controlled by tne Rov regulator the LO Q9 and buffer 011 amplifiers and is then Tx Rx cuit 025 using RXC signal from the expander IC IC2 The output voltage is applied to the FM IC IC IC4 IF Q16 and RF Q27 amplifiers etc switching circuit D6 D7 Then Tx and Rx signals are applied to the pre driver Q17 and 1st mixer circuit Q19 respectively A portion of the signal from LO amplifier Q9 is am
33. UNITS VOLTAGE LINE 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 HV The voltage from the power supply ence frequency The PLL output frequency is controlled by The same voltage as HV line which is controlled the divided ratio N data of a programmable divider by the HVSW circuit Q28 Q30 Q31 When the POWER switch is pushed the CPU outputs the An oscillated signal from the TX and RX VCO circuits pass PWRON control signal via the expander IC es through the LO and buffer amplifiers Q9 Q12 is applied IC2 The signal is applied to the HVSW circuit to the PLL IC IC1 pin 6 and is prescaled in the PLL IC to turn the circuit ON based on the divided ratio N data The reference signal is The output voltage is applied to the drive ampli generated at the reference oscillator X1 and is also applied fier 018 8V regulator circuit IC7 etc to the PLL IC The PLL IC detects the out of step phase using the reference frequency and outputs it from pin 15 The output signal is passed through the loop filter Q2 and Common 5 V for the CPU converted from the HV line by the C5V regulator circuit IC8 The circuit is then applied to the TX and RX VCO circuits as lock volt outputs the voltage regardless of the power ON OFF condition The output voltage is applied to the EEPROM LOGIC UNIT IC5 C
34. e direction of the arrow Chassis REMOVING THE FRONT PANEL OPTIONAL UNIT INSTALLATION D Unscrew 3 screws MP9 1 Install the optional unit as illustrated below Insert it tight 2 Unplug J6 to separate front panel and chassis ly to avoid bad contact 3 Remove the front panel in the direction of the arrow 4 Unplug J5 to separate fan and chassis 5 Unscrew 2 screws MP6 to separate MP15 and chassis Chassis MP9 SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS 4 1 1 ANTENNA SWITCHING CIRCUIT MAIN UNIT Received signals passed through the low pass filter L44 L47 148 151 C190 C197 C203 C208 C210 C217 C218 The filtered signals are applied to the 1 4 X type antenna switching circuit D16 D19 The antenna swtiching circuit functions as a low pass filter while transmitting However its impedance becomes very high while D16 and D19 are turn ON Thus transmit signals are blocked from entering the receiver circuits The antenna switching circuit employs a 1 4 X type diode swtiching sys tem The passed signals are then applied to the RF amplifi er circuit 4 1 2 RF CIRCUIT MAIN UNIT The HF circuit amplifies signals within the range of frequen coverage and filters out of band signals The signals from the antenna switching circuit are applied to the limitter D15 and are then passed through the band pass filter 013 143 C183 C182 The filtered signals are am
35. e reactance frequency modulation Narrow 2 5 kHz Wide 5 0 kHz Less than 60 dB 8 pins modular 600 Q Double conversion superheterodyne system Ist 21 7 MHz 2nd 450 kHz 0 15 uV at 12 dB SINAD typical 0 08 uV at threshold typical Narrow More than 3 0 kHz at 6 dB Less than 9 0 kHz at 55 dB Wide More than 6 0 kHz at 6 dB Less than 14 0 kHz at 60 dB 60 dB typical More than 2 0 W at 10 distortion with 8 Q load 9 conductor 3 5 d mm 87 8 Q All stated specifications are subject to change without notice or obligation SECTION2 INSIDE VIEWS MAIN UNIT AF power amplifier 023 RD70HVF1 ii RE SM Antenna switching circuit D12 D27 XB15A407 mE c F d 019 XB15A308 ag E D16 HVU131TRF VCO circuit n NM 2nd F filter F1 CFWS450F 12 CFWS450HT Reference oscillator 1st IF filter 1 659 Fl4 FL 310 LOGIC BOARD System clock CPU X1 CR 663 IC7 HD6433876B53H EEPROM IC5 58 2432 Heset IC LOGIC board IC4 S 80942ANMP DD6 SECTION3 DISASSEMBLY AND OPTION INSTRUCTIONS REMOVING THE COVER REMOVING THE MAIN UNIT 1 Unscrew 4 screws MP10 1 Unscrew 11 screws MP6 and 2 screws MP7 and 2 2 Remove the cover in the direction of the arrow screws MP4 2 Unsolder 3 points to remove the antenna connector 3 Remove the Main unit in th
36. plified at the buffer amplifier Q12 and is then fed back to the PLL IC IC1 pin 6 as the comparison signal PLL CIRCUIT totransmitter circuit to 1st mixer circuit Q19 switch Programang Prescaler divider y Reference 5 PLLCK X1 Shift register 25 25 2 divider 41 pitstB to the 2nd IF IC IC4 pin 2 4 5 PORT ALLOCATIONS 4 5 1 CPU LOGIC UNIT Port mte mme Input port for the weather alert signal Input port for reset signal Outputs serial clock signal to the expander IC MAIN unit IC2 pin 3 D A convertor IC MAIN unit 105 pin 7 etc Outputs serial signals to the D A con vertor IC MAIN unit IC5 pin 8 etc Input port for the PTT switch High While PTT switch is pushed 16 Input port for the cloning signal 17 CLOUT Outputs the cloning signal Input port for noise signals pulse 19 NOIS Outputs LCD back light color control 20 COLOR signal Low While choosing umber color sn Outputs LCD contrast control signal Input port for the remote signals from 23 REMO a remote microphone HM 133V via the MIC jack Input port for PLL unlock signal from UNLK the PLL IC MAIN unit pin 14 5 pon Outputs LCD common signals 36 39 KRS3 Input port for initial matrix i KRO Low While keys are pushing Input port for the remote control micro 40 EXTMIC HM 133V connecting detec Low While
37. plified at the RF amplifier Q27 then applied to the 1st mixer circuit after out of band signals are suppressed at the bandpass filter 09 011 09 011 013 employ varactor diodes that track the band pass filters and are controlled by the T1 T3 signals from the D A convertor 105 pins 10 11 23 These diodes tune the center frequency of an RF passband for wide bandwidth receiving and good image response rejection 4 1 3 1ST MIXER AND 1ST IF CIRCUITS MAIN UNIT The 1st mixer circuit converts the received signal to 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 two crystal filters at the next stage of the 1st mixer 2ND IF AND DEMODULATOR CIRCUITS R59 SQLIN signal from the D A convertor IC5 pin 214 AF signal DETO R71 1 0105 T C101 I O R5V The signals from the RF circuit are mixed at the 1st mixer Q19 with a 1st LO signal coming from the VCO circuit to produce a 21 70 MHz 1st IF signal The 1st IF signal is applied to two crystal filters and F14 to suppress out of band signals The filtered 1st IF signal is applied to the IF amplifier Q16 then applied to the 2nd mixer circuit IC4 pin 16 4 1 4 2ND IF AND DEMODULATOR CIRCUITS MAIN UNIT The 2nd mixer circuit converts the 1st IF signal to a 2nd IF signal A double conversion superheterodyne system which converts receive signal twice imp
38. ps Antnna connector Power supply requirement negative ground Number of memory channel Call channel Scanning mode Current drain approx Usable temperature range Dimensions projections not included Weight TRANSMITTER RF output power at 13 8 V DC e Modulation system e Maximum frequency deviation Spurious emissions Microphone connector RECEIVER Receive system Intermediate frequencies Sensitivity Squelch sensitivity Selectivity Spurious and image rejection Audio output power at 7 2 V DC Ext speaker connector USA version only Version Receive Transmit 144 000 148 000 MHz 136 000 174 000 MHz 140 000 150 000 MHz 136 000 174 000 MHz Specifications Guaranteed 144 148 MHz only FM F2D F3E 10 ppm 10 C to 60 C 14 F to 140 F 5 10 12 5 15 20 25 30 or 50 KHz SO 239 50 13 8 V DC Operable voltage range 11 7 to 15 9 V 207 channels including 6 scan edges and 1 call channel 1 channel Full Program Priority Memory Channel Skip Tone DTCS Bank and WX High 75 W Middle High 25 W Transmit Low 10 W Low 5 W Max audio Stand by Receiving 10 C to 60 C 14 F to 140 F 150 W x 50 H x 150 D mm 5 29 532 W x 1 3V32 H x 5 292 D in 1 09 kg 12 3 oz 38 4 oz 75 W 25W 10W 5W High Middle High Middle Low Low Variabl
39. roves the image rejection ratio and obtain stable receiver gain The 1st IF signal from the IF amplifier is applied to the 2nd mixer section of the FM IF IC IC4 16 and is mixed with the 2nd LO signal to be converted to 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 21 25 MHz 2nd LO signal is produced at the PLL circuit The 2nd IF signal from the 2nd mixer IC4 pin 3 passes through a ceramic filter Fl1 When wide is selected F2 When Narrow is selected Narrow is USA version only to remove unwanted heterodyned frequencies It is then ampli fied at the limiter amplifier IC4 pin 5 and applied to the quadrature detector IC4 pins 10 11 to demodulate the 2nd IF signal into AF signals 4 1 5 CIRCUIT MAIN AND LOGIC UNITS The AF amplifier circuit amplifies the demodulated AF sig nals to drive a speaker AF signals from the FM IF IC IC2 pin 9 are applied to the analog swtich LOGIC UNIT 106 pin 1 via the high pass fil ter IC3c pins 9 8 The output signals from pin 11 are applied to the volume adjustment pot LOGIC UNIT R31 The signals are applied to the AF power amplifier IC9 pin 1 after passing through the AFmute swtich Q29 2nd IF filter 450 kHz PLL IC IC1 16 1 LPF 2 1 1 1 21 25 MHz IC4 TA31136F 16 1st IF from the IF amplifier Q16 NOIS signal to the
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