Home

Receiver Icom IC-R2 Service Manual

1. V 0 495 1 9M 2 9 C180 178 lt R125 G i D67 MA2S077 Q509 Q43 0001 0 001 1SV286 0 0001 T Ark C160 CaM 2SC5231 C8 0 001 T 0584 0857 DTA144EE 2585231 C8 pas Q28 Ica 0237 L805 6 nH 2 e 1 9 15M 1 88 1 A 1 9 15M R104 R162 N 9168 2999006 UPC2746T C535 C658 HIFT 0 001 0 0022 1 9 15M 2 05 s RO w 47k 47k 120 I m 0 Bein N C522 C523 C524 L86 L87 l 1k B 2 24 du A 0 01 0 0015 0 01 047uH 0 68 uH DTC144EE m R160 C183 A MA2S077 N Se 2 7 k 1 5 P Q30 C173 f 0 001 1SV172 SHIFT ON 3 13 ri 0 01 072 15 308 0 47 SHIFT ON 199 2SC5006 C169 ON 3 08 SHIFT OFF 1 21 D42 D52 0 001 DBL1ON 3 06 OFF 1 15 2 2k gt L85 0 495 30M 2 97 MA2S077 1SV308 Q508 i Q33 0507 XP4312 2SC4215 O XP1113 2SC5277 02 T 0 001 i D63 C516 C517 A C558 C544 MA2S077 220 P 180 P 0 001 9 15 2 m Se o d se dd me Gi par C546 OFF 0 2 B2 L 5 7471 82 1541 0 1 181 0 27 pH 182 0 33 pH 0 0015 00 RI DBL1ON 2 51 DEO 8133 ved 547 H 41 dg 13 l B3 47k 1SV308 33P 15 30 C521 X 15 30M 2 05 B L52 L53 DBL1ON 2 84 15 30M 1 89 f o N N MA25077 C186 22 nH 15 nH SET 15 30M 1 15 C513 C514 I nn Q14 102 55 C118 1530M 291 d R65 5 6 k uc T DBL2ON 2 51 000 33 TM 82 P 150P 0 001 C560 C561 1 1 3 5P DBL2ON 3 06 118 175M 1 1 I 118 175M 3 0 0 001 0 001 D44
2. SERVICE MANUAL COMMUNICATIONS RECEIVER IC He Icom Inc INTRODUCTION This service manual describes the latest service information for the IC R2 at the time of publication IC R2 OTH Other OTH 1 To upgrade quality all electrical or mechanical parts and internal circuits are subject to change without notice or oblig ation DANGER NEVER connect the receiver to an AC outlet or to a DC power supply that uses more than 3 5 V Such a connection could cause a fire hazard and or electric DO NOT expose the receiver to rain snow or any liquids DO NOT reverse the polarities of the power supply when connecting the receiver DO NOT apply an RF signal of more than 20 dBm 100mW to the antenna connector This could damage the re ceiver s front end ORDERING PARTS Be sure to include the following four points when ordering replacement parts 1 10 digit order numbers 2 Component part number and name 3 Equipment model name and unit name 4 Quantity required SAMPLE ORDER gt 8930046581 LCD Contact IC R2 LOGIC UNIT 5 pieces 8810009560 Screw PH BO M2x6 ZK IC R2 Chassis 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES Make sure a problem is internal before disassembling the receiver DO NOT open the receiver until the receiver is disconnected from its power source DO NOT force any of the variable components Turn them slowly and smooth
3. u C11 pu a R166 AMET MA2S111 MA2S111 s MA2S111 MA2S111 S lt m WH 706 3 D10 MA2S111 D13 MA2S111 82k C70 MA132WK 470k Cai R164 0 0047 a 1 R120 Ve i 180 k 0 001 891 0 0015 0 039 SS E WFMS SIE 017 73 8129 C69 LIS J2 d C58 C97 0 1 25111 04 47k 0 0047 ca R118 C66 HSJ1594 010050 we Q23 Jou T 01 15k 9 Iw S 3 25 1588 GR Q37 C92 180 An k 0 018 D X 0 1 Q17 Q24 2SJ144 Y 2SJ144 Y NFM 1 37 Y 2SA1588 GR C78 R125 15k MUE 3 0 B Q31 D a Q35 N 38 2SC4081 S ae id 7 TB VREF i 0 018 C82 IC1 25A1588 GR Q41 OUT NF 0 1 WFM 0 R153 R109 47k HD74LV00 2SC461 7 s SE 272 27 77 n c AM NFM 1 31 WEM AF ON 0 663 d 1 67 WFM 0 IC15 C79 C89 OTHERS 3 01 C57 TA31056F 100P 47 47 T 0 001 N C61 D 220 R183 C103 C100 11 1 14 GC 13 300 12 800 10 GND e RF UNIT SHIET OFF 267 2 380 0MHz 1stVCO SHIFT ON 380 0 550 0MHz 0 495 1 9M 1 99 171 UNIT 0 495 1 9M 1 99 B1 3V lt pus 0 001 ON 0 0 495 1 OM 8259 C506 0 001 220 L68 L62 L63 s 0 001 120 0236 EE E Sin A e e n DTA144EE ia 500 Hout OFF 1 91 OFF 1 91 D66 MA2S077 3 3 uH 3 3 uH Se i SET e 0 00 182 D54 Be C I C541 0 1 R327 1 5 k
4. 5040002230 5030001610 2230000900 2250000390 2230000900 6510020560 6450001910 7030003860 7030003860 7030003860 0910050773 8930046581 RF UNIT ORDER SS once 1110004020 1110003200 1130007610 1110003470 1110004020 1110003470 1590001190 1560000540 1590001190 1530003580 1530003610 1530003610 1530003590 1530003590 1530003260 1590001940 1530003260 1530003610 1590001810 1590002650 1530003580 1530003630 1530003580 1590002430 1530003580 1590001660 1530003010 1590001660 1590002430 1590001810 1590001810 1590001810 1530002600 1590002430 1530003590 1590001660 1590002430 1720000370 1720000370 1790001620 1720000370 1720000370 1790001620 1790001620 1720000700 1720000370 1790001590 1790001590 ORDER SS es S LED LCD CL 200YG C TS DLC 7995YBGF S SWITCH ENCODER S SWITCH JPM1990 2013R TP90N00E20 16F 1995 JPM1990 2013R S CONNECTOR AXK5S40340P CONNECTOR HSJ1594 010050 S JUMPER S JUMPER S JUMPER ERJ3GE JPW V ERJ3GE JPW V ERJ3GE JPW V PCB B 5164C LCD CONTACT SRCN 1995 SP N W 1 5 IC 5 IC 5 IC 5 IC 5 IC 5 IC uPC2757T E3 TA31136FN EL uPD3140GS E1 058 uPC2746T E3 uPC2757T E3 uPC2746T E3 S TRANSISTOR XP6501 TX AB S FET 2SK880 V TE85R S TRANSISTOR XP6501 TX AB S TRANSISTOR 2SC5231C8 TL S TRANSISTOR FH102 TL S TRANSISTOR FH102 TL S TRANSISTOR 2SC5277D2 TL S TRANSISTOR 2SC5277D2 TL S TRANSISTOR 2SC5006 T1 S TRANSISTOR DTC144EE TL
5. AN E AN Q11b XP4213 R3V RX dm Ki CONT gt IC4 S 81332HG IC3 XC62FP3002MR IC5 S 80725SL D1 MA2S111 D14 MA2S111 913 DTC114EE X 7 RIPPLE 4 gt MATRIX Q26 2SC4081 D3 1SS372 IC10 X6371A351PR D15 188372 Da MA729 1C2 25650581 2 5 D6 MA2S111 D5 1SS372 Q40 2SA1588 D7 MA2S111 D8 MA2S111 D9 MA2S111 ep D10 MA2S111 D12 MA2S111 D13 MA2S111 Q11a XP4213 L SECTION 11 VOLTAGE DIAGRAM LOGIC UNIT SP1 3 01 0 1 572 V H 2 31 59 25 1588 GR R185 3 3k R86 100 k IC2 2565058 2 5 KSO 058 DLC 7995 823 15k Q11 XP4213 _______________ PSTB ENT J ECKE J mot mes 0000 038 2SC4081 S 18 SDET 16 WFMS DS2 CL 200YG C TS J1 AXK5S40340P PDAUL Q4 IC11 2SA1588 GR M38267M8L 218GP USA only M38267M8L 222GP other 3V gt rowere POWERC L L e 35 CE ss za 155372 LIGHT A reser DTC114EE 30 CD54 101KC BATRY D14 25111 3 13 0 3 01 2 018 DTA144EE M5222FP 11 our IN1 COM 25 4081 5
6. C121 MA2S077 R131 D74 L57 L58 L59 C416 C13 C14 C15 C16 IC3 L51 15 308 47 114 56 nH 27P 27P 0 001 1P 0 001 0 001 025 1SV308 22k 15nH 24 2600 nn C243 18 P UPD3140GS p C9 2 5 P C10 1 5 P ga 1 R81 DBL2ON 2 83 47 nH D2 R11 2 2 k D18 118 175M 1 89 C8 C67 d HVU350 M HVU350 47 HVUSSO xi CR 593 j 18P Aan Jaar ES L70 47 P 175M LPF 0 10 uh C119 C233 A SDET 15k J1 AXK6S40445P uM GND 40 1 BATRY I 7 V H F GND 39 R88 C134 DBL2 38 es 118 175M Q35 30 001 330 470M 35 cao D patt Ec a uPA805T T gl yo cue 330 A70M 25 emm Cars 2 15X308 0 001 47k 2P 0 001 7P d 330 470M 1 91 8133 FECI gt D29 suc 118 175M 0 49 197 aber 1 1 E Riera 03 C216 L3 LA L5 D4 L60 D5 ES ve al 1SV308 12P 22 nH 22 nH 15 nH HVU350 6 8 nH HVU350 22k A PDAUL 29 pm E T ec Esse A C19 0 001 EN Low core cm zr 33 P 1P IL 330 470M 2 18 0 001 300M3V em R13 15k i 330 470M E E L2 a C656 8 P lt FSET 24 be men wc I ase d Q6 C503 Q502 XP1 113 wema 0 001 470 833M 2 98 Eod A FH1 02
7. 7030005050 S RESISTOR ERJ2GEJ 103 X 10 ko 4550006200 S TANTALUM ECSTOJY106R 7030005050 S RESISTOR ERJ2GEJ 103 X 10 ko 4030014210 S CERAMIC ECUE1H151JCQ 7030005050 S RESISTOR ERJ2GEJ 103 X 10 4030014140 S CERAMIC ECUE1H150JCQ 7030005030 S RESISTOR ERJ2GEJ 152 X 1 5 4030009820 S CERAMIC C1005 JB 1C 103K T A 7030007260 S RESISTOR ERJ2GEJ 330 X 33 9 4030009820 S CERAMIC C1005 JB 1C 103K T A 7030007260 S RESISTOR ERJ2GEJ 330 X 33 Q 4030014170 S CERAMIC ECUE1H330JCQ 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 4030013850 S CERAMIC ECUE1E102KBQ 7030009530 S RESISTOR ERJ2GEJ 270 X 27 Q 4030013850 S CERAMIC ECUE1E102KBQ 7030005300 S RESISTOR ERJ2GEJ 150 X 15 Q 4030014070 S CERAMIC ECUE1HO40BCQ 7030007280 S RESISTOR ERJ2GEJ 331 X 330 Q 4030013850 S CERAMIC ECUE1E102KBQ 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 4030013850 S CERAMIC ECUE1E102KBQ 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 4030013850 S CERAMIC ECUE1E102KBQ 7030007300 S RESISTOR ERJ2GEJ 332 X 3 4550006910 S TANTALUM _ TESVSP 1C 334M 8R 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 4030013850 S CERAMIC ECUE1E102KBQ 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 4030014180 S CERAMIC ECUE1H470JCQ 7030005120 S RESISTOR ERJ2GEJ 102 X 1 4030013850 S CERAMIC ECUE1E102KBQ 7030004980 S RESISTOR ERJ2GEJ 101 X 100 Q 4550006200 S TANTALUM ECSTOJY106R 7030005240 S RESISTOR ERJ2GEJ 473 X 4
8. 1180001820 S IC XC62FP3002MR 7030005080 S RESISTOR ERJ2GEJ 823 X 82 1180001720 S IC S 81332HG KC T1 7030005310 S RESISTOR ERJ2GEJ 124 X 120 kQ 1110004620 S IC S 80725SL AN T1 7030005230 S RESISTOR ERJ2GEJ 334 X 330 kQ 1110003800 S IC NJM2904V TE1 7030005310 S RESISTOR ERJ2GEJ 124 X 120 1110004790 S IC XC6371A351PR 7030005310 S RESISTOR ERJ2GEJ 124 X 120 kQ 1140007760 S IC M38267M8L 218GP USA only 7030007340 S RESISTOR ERJ2GEJ 153 X 15 1140007720 S IC M38267M8L 222GP other 7030005240 S RESISTOR ERJ2GEJ 473 X 47 ka 1110004520 S IC M5222FP 600C 7030005040 SS RESISTOR ERJ2GEJ 472 X 4 7 kQ 1190000710 S IC TA31056F TP1 7030005090 SS RESISTOR ERJ2GEJ 104 X 100 7030005090 S RESISTOR ERJ2GEJ 104 X 100 7030005090 S RESISTOR ERJ2GEJ 104 X 100 1510000670 S TRANSISTOR 2SA1588 GR TE85R 7030005240 S RESISTOR ERJ2GEJ 473 X 47 1510000670 S TRANSISTOR 2SA1588 GR TE85R 7030005090 S RESISTOR ERJ2GEJ 104 X 100 1510000670 S TRANSISTOR 2SA1588 GR TE85R 7030005110 S RESISTOR ERJ2GEJ 224 X 220 1590002430 S TRANSISTOR DTA144EE TL 7030005160 S RESISTOR ERJ2GEJ 105 X 1 1590001 780 S TRANSISTOR XP4213 TX 7030005090 SS RESISTOR ERJ2GEJ 104 X 100 1590002310 S TRANSISTOR DTC114EE TL 7030005160 S RESISTOR ERJ2GEJ 105 X 1 1590001390 S FET 2SJ144 Y TE85R 7030005170 S RESISTOR ERJ2GEJ 474 X 470 15900024
9. Displayed frequency 0 495 MHz Receiving Displayed frequency less than 12 V 493 295 MHz Receiving Displayed frequency HF the digital 430 000 MHz multi meter to the Receiving check point LV2 Displayed frequency less than 2 5 V 493 300 MHz Receiving RF Displayed frequency Connect the fre 546 7999 MHz LOGIC DIAL FR ch 280 100 MHz quency counter to 546 8001 MHz Receiving the check point F Displayed frequency Connect the digital 1 RF L21 tk ch 145 600 MHz multi meter to check Connect an SSG to the antenna point QUAD connector and set as Level 1 60 dBu Deviation 3 5 kHz Modulation 1 kHz Receiving This output level of the standard signal generator SSG is indicated as SSG s open circuit L21 Detector output voltage adjustment X 55 QUAD 7 DO Detector output voltage check point mu 2 C PLL Reference Frequency check point 2nd VCO lock voltage check point LV1 1st VCO lock voltage check point 5 3 RECEIVER ADJUSTMENT MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION VALUE POINT UNIT LOCATION UNIT ADJUST Deviation 3 5 kHz Connect the DC Maximum DC voltage LOGIC DIAL voltmeter to the check point SEN Receiving Displayed frequency Connect the DC Maximum DC voltage LOGIC DIAL tk ch 435 600 MHz voltmeter to the Connect an SSG to the antenna check point
10. 4 1 6 AF AMPLIFIER CIRCUIT LOGIC UNIT The AF amplifier circuit amplifies the demodulated AF sig nals to drive a speaker While in FM mode AF signals from the demodulator circuit RF unit are passed through the de emphasis circuit R118 C66 C68 with frequency characteristics of 6 dB octave and are then applied to the pre amplifier Q31 via the band pass filter Q30 2 IF AND DEMODULATOR CIRCUITS 11 101 r A X1 19 2 MHz IC2 TA31136F 1 12 13 416 2nd IF 19 65 MHz from Q5 p SDET signal to the IC11 Logic unit S RSSI signal to the CPU I O WFM pin 7 Logic unit Q41 C242 R56 AF signal WFMS Tog5 R55 1 C94 L2 While in AM mode AF signals are pass through the band pass filter and are then applied to the pre amplifier Q31 While in WFM mode AF signals are applied to the pre amplifier Q31 directly The pre amplified AF signals pass through the AF mute cir cuit Q37 and are then applied to the electronic volume con trol circuit IC14 pin 6 The level controlled AF signals are output from pin 7 and applied to the AF power amplifier IC15 pin 1 via the buffer amplifier Q36 The power ampli fied AF signals are applied to the internal speaker via the EXT SP jack The electronic volume control circuit controls AF gain there fore the AF output level is according to the VOL setting and also the squelch conditions 4 1 7 SQUELCH CIRCUIT LOGIC AND RF UN
11. 833 1300M 2 24 R28 61 C264 1M 0 001 0 001 l 021 65718 833 1300 0 58 557 C553 0 001 0 001 C433 044 0 001 XP4312 C414 833 1300M 2 97 1 0 001 11 2 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 VAK 5B8 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 Fax 09 274 4708 URL http www icom co nz Icom Europe GmbH Communication Equipment Himmelgeister Str 100 D 40225 Disseldorf Germanv Phone 0211 346047 0211 333639 URL http www icomeurope com Icom Spain S L Crta de Gracia a Manresa Km 14 750 08190 Sant Cugat del Valles Barcelona SPAIN Phone 93 590 26 70 Fax 93 589 04 46 URL http www icomspain com Icom UK Ltd Unit 9 Sea St
12. DD PE PE A S Surface mount RF UNIT RF UNIT ORDER ORDER H zem e 7030008010 S RESISTOR ERJ2GEJ 123X 12 7030004980 S RESISTOR ERJ2GEJ 101 X 100 8 7030005240 S RESISTOR ERJ2GEJ 473 X n 7030005570 S RESISTOR ERJ2GEJ 820 X Ge Q 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 kQ 7030005030 S RESISTOR ERJ2GEJ 152 X 1 5 7030005050 S RESISTOR ERJ2GEJ 103 X 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 7030005590 S RESISTOR ERJ2GEJ 680 X 68 C 4030014340 S CERAMIC ECUE1H390JCQ 7030005240 S RESISTOR ERJ2GEJ 473 X 47 kQ 4030011810 S CERAMIC C1608 JB 1A 224K T N 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 4030014220 S CERAMIC ECUE1E471KBQ 7030008010 S RESISTOR ERJ2GEJ 123X 12 kQ 4030014240 S CERAMIC ECUE1H180JCQ 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 kQ 4030014030 S CERAMIC ECUE1H2R5BCQ 7030005100 S RESISTOR ERJ2GEJ 154 X 150 4030014000 S CERAMIC ECUE1H1R5BCQ 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 4030014150 S CERAMIC ECUE1H220JCQ 7030007280 S RESISTOR ERJ2GEJ 331 X 330 Q 4030014180 S CERAMIC ECUE1H470JCQ 7030005240 S RESISTOR ERJ2GEJ 473 X 47 kQ 4030014160 S CERAMIC ECUE1H270JCQ 7030005710 S RESISTOR ERJ2GEJ 121 X 4030013850 S CERAMIC ECUE1E102KBQ 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 4030013980 S CERAMIC ECUE1H010BCQ 7030005050 S RESISTOR ERJ2GEJ 103 X 4030013850 S CER
13. Symbol TX T tet HVU350 MA132WK MA2S077 MA2S111 MA6S718 Symbol 4 Symbol MU Symbol S Symbol A Symbol M2N Al MA728 MA729 Symbol 2A Symbol 2B gt _ SECTION 9 9 1 LOGIC UNIT TOP VIEW BOARD LAYOUTS R49 R50 e BOTTOM VIEW 21 40 J1 to RF unit J1 FSET RSSI 3V GND PSTB PCK IS PDAUL VP 35 GND B1 HFC SHIFT ATT DBL1 GND DBL2 ___ GC 300MC 800 GND UHFC VHFC TRAC B3 FSET RSS 3V GND JGND PSTB GC IS 300MC 800MC VP Loun 35 GND GND 8 VHFC HFC TRAC SHIFT B3 B2 Loun 20 1 C16 C98 R40 3 En 9 LO C72 000 N Fl lt es op a Ut ol o R40 Ho 8 R78 N 8175 O R94 5 R180 C107 ass lt C61 S GIS O LO C C88 BE i C89 E ol 9 R141 5 Q C80 IC14 C73 0 TIT Ex m Q 5 E 9 2 RF UNIT TOP VIEW 2 gt N C101 C92 un 4 get IC2 zu C430 8209 44 pil a N LO cm C30 a 404 R15 135 bs 134 155 C198 L54 R89
14. 473 X 47 7030005090 S RESISTOR ERJ2GEJ 104 X 100 7030005240 S RESISTOR ERJ2GEJ 473 X 47 7030005050 S RESISTOR ERJ2GEJ 103 X 10 7030005240 S RESISTOR ERJ2GEJ 473 X 47 7030005120 S RESISTOR ERJ2GEJ 102 X 1 7030005050 ERJ2GEJ 103 X 10 7030007300 S RESISTOR ERJ2GEJ 332 X 3 3 7030005000 S RESISTOR ERJ2GEJ 471 X 470 Q 7030005090 S RESISTOR ERJ2GEJ 104 X 100 7030005160 S RESISTOR ERJ2GEJ 105 X 1 7030005170 S RESISTOR ERJ2GEJ 474 X 470 S Surface mount LOGI C1 C UNIT ORDER DESCRIPTION 4030014200 4030013970 4550006760 4030013850 4030008680 4030014120 4030014120 4030013970 4030013950 4030013970 4030013890 4510007130 4550006670 4030013850 4030008680 4550006920 4030008680 4550006200 4030008680 4030013850 4030008680 4030013850 4030013970 4030013850 4030013970 4030013970 4030013850 4030013970 4030008680 4030013850 4030013850 4030013970 4030013850 4030013970 4550006690 4550006550 4030013850 4030013970 4030013970 4030013970 4030013970 4030013930 4030013910 4030013910 4030013880 4030013910 4030013970 4030013970 4030013970 4030013970 4030013960 4030014200 4030013970 4030013970 4030013970 4030008680 4030008680 4550006320 4550006320 4030013910 4030013970 4030013970 4030013930 4030008680 4550006320 4030013970 4550006760 4030013970 4030013850 4030014200 4030013970 403
15. 495 MHz 29 999 MHz RF signals 0 495 29 999MHz from an antenna switching circuit D73 pass through a low pass filter 511 515 L81 L82 The filtered signals are amplified at an RF ampli fier Q505 passing through each band pass filter depending on the receiving frequency The amplified signals are then applied to the 1st mixer circuit IC1 after being amplified at another RF amplifier IC11 the band switching diode D71 The signals below 1 9 MHz pass through a low pass filter C534 C535 C657 C658 L88 L89 via the band switching diode D66 and are then applied to the RF amplifier circuit Q505 via the band switching diode D67 The 1 9 MHz 14 995 MHz signals pass through the band switching diode 065 and band pass filter C522 C531 L85 L87 191 and are then applied to the RF amplifier cir cuit Q505 via the band switching diode D70 The 15 MHz 29 995 MHz signals pass through the band switching diode 063 and high pass filter 516 520 L83 L84 and are then applied to the RF amplifier circuit Q505 via the band switching diode D64 2 118 MHz 174 995 MHz 330 MHz 832 995 MHz HF signals 118 MHz 174 995 MHz 330 MHz 832 995 MHz from an antenna switching diode D75 are passed through each bandpass filter and RF amplifier and are then applied to the 1st mixer circuit IC1 via the band switching diode 071 and RF amplifier IC 11 The 118 MHz 174 995 MHz signals pass through the band switc
16. 7 r RE 4 470 833M 2 98 pi L 330 470M 3 05 gt sl TNT Ati 659 0241022 LL Nee C214 25111 10 la 0 001 C32 C33 C36 L8 C145 L42 n R102 Ard 4 N 0 89_ IC2 59 0 001 33 6 10 P 5 6 nH 470 P 5 6 nH L40 2 2K p32 TA31136FN R101 a ATK 8 2 nH 1SV308 470 833M 145 Bir C75 0 001 D11 1SV308 ne on 27 10 nH 1 MIXIN OSCH 10 P V C139 10 P R21 e GND OSCOUT 27 cs G79 N REC MIXOUT C37 470 833M 0 54 Qoi FM 1 24 470 833M 1 88 L7 SE 2 024 25 5277 D2 OMM N DET 27 nH D60 C435 D58 C429 L73 RSSI 30 118M 0 001 yim E3 25077 0 01 1 2uH 0 01 25077 IFOUT DEC 175 330M 2 78 C138 R93 30 118M 470 833M 2 45 FILOUT MA132WK C92 833 1300M 0 53 470 P 120 175 330M 2 46 1 5 9 AFOUT FILIN 0 01 IFO 5 D59 da qu de dee SH un 100 P 30 118M C666 R105 D34 175 330M iig 390 P 68 1SV308 MI 899 22k R18 846 WFM 1 16 1k C40 C42 C41 15k 15k 15P T 3 5 P IL gt L41 0 1uH D71 L92 C141 R6 1SV308 rales 0 39 uH 0 01 120 Se ki 45 mE IC1 UPC2757T E3 Gen FI EFCH266MKQP1 2 L 001 R106 30 118M 30 118M m D31 T 175 330M 0 37 175 330M 2 99 C663 R325 L56 153 gt GND VCC MA132WK 0 1 100 68nH 0 1 Fo PS R220 C46 C49 L13 C5 L43 026 25 5277 02 470 P 4 7 nH C242 Q41 022 DTA144EE C93 14725 6 1SV308 R231 IC11 R326 47k UPC2746T 2 833 1300M
17. ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ C1608 JB 224 TESVA 1V 473M1 8L ECUE1H080CCQ ECUE1E681KBQ C1005 JB 1H 222K T N ECSTOJY106R ECUE1E102KBQ C1005 JB OJ 104K T N C1005 JB OJ 104K T N S Surface mount RF UNIT 4030014200 S CERAMIC ECUE1H101JCQ 4030014470 S CERAMIC ECUE1E391KBQ 4030009820 S CERAMIC C1005 JB 1C 103K T A 6510020550 S CONNECTOR AXK6S40445P 0910050763 PCB 51630 S Surface mount SECTION 7 MECHANICAL PARTS AND DISASSEMBLY 7 1 CABINET PARTS CHASSIS PARTS ODER NO DESCRIPTION ACCESSORIES REF NO ODER NO DESCRIPTION 3030000420 NICD CEL EUR USA CAN 6510020950 2510000960 8210015690 8210014981 8110006280 8930044211 8930047620 8930047610 8310044470 8010017352 8930011900 8830000570 8830001090 8110006290 8610010520 8930044250 8810009790 8810009560 8930047470 8930043440 LOGIC UNIT m ODER NO DESCRIPTION 5030001610 8930046581 8930044290 8930046400 8210015420 8810009790 8510012030 Connector SMA R226 Speaker K036NA500 26A27 1995 Front panel C 1995 Rear panel 1 1995 BATT cover 1995 7 Key 1 2127 PTT rubber 2127 Jack cap 1995 Window plate A 1995 Chassis 2 Sheet SP net A Screw A Screw D 1995 Lock cover Knob N 262 1995 BATT seal Screw PH BO 1 7XANI ZU BT Screw PH 2X6ZK BT 1995 Mic sheet Sponge EY LCD DLC 7995 LCD cont
18. Q 6200008630 S COIL CD54 101KC 7030005240 S RESISTOR ERJ2GEJ 473 X 47 kQ 7030005060 S RESISTOR ERJ2GEJ 333 X 33 kQ 7030005310 S RESISTOR ERJ2GEJ 124 X 120 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 7030005060 S RESISTOR ERJ2GEJ 333 X 33 kQ KO COs NOW ON HH I ESI pip L D D D D IL D D IL 5 D ID 7030005240 S RESISTOR ERJ2GEJ 473 X 47 7030005210 S RESISTOR ERJ2GEJ 822 X 8 2 7030005530 S RESISTOR ERJ2GEJ 100 X 10 0 7030005050 S RESISTOR ERJ2GEJ 103 X 10 7030005060 S RESISTOR ERJ2GEJ 333 X 33 7030007340 S RESISTOR ERJ2GEJ 153 X 15 7030005240 S RESISTOR ERJ2GEJ 473 X 47 7030005110 S RESISTOR ERJ2GEJ 224 X 220 7030005090 S RESISTOR ERJ2GEJ 104 X 100 7030005050 S RESISTOR ERJ2GEJ 103 X 10 7030005310 S RESISTOR ERJ2GEJ 124 X 120 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 7030005110 S RESISTOR ERJ2GEJ 224 X 220 7030007300 S RESISTOR ERJ2GEJ 332 X 3 3 7030007340 S RESISTOR ERJ2GEJ 153 X 15 7030009290 S RESISTOR ERJ2GEJ 562 X 5 6 7030007340 S RESISTOR ERJ2GEJ 153 X 15 7030004990 S RESISTOR ERJ2GEJ 221 X 220 Q 7030005090 S RESISTOR ERJ2GEJ 104 X 100 7030005170 S RESISTOR ERJ2GEJ 474 X 470 7030005060 S RESISTOR ERJ2GEJ 333 X 33 7030008010 S RESISTOR ERJ2GEJ 123X 12 7030005240 S RESISTOR ERJ2GEJ
19. S TRANSISTOR 2SC5006 T1 S TRANSISTOR FH102 TL S TRANSISTOR XP1113 TX S TRANSISTOR UPA805T T1 S TRANSISTOR 2SC5231C8 TL S TRANSISTOR 2SC4617 TLS S TRANSISTOR 2SC5231C8 TL S TRANSISTOR DTA144EE TL S TRANSISTOR 2SC5231C8 TL S TRANSISTOR XP4312 TX S TRANSISTOR 2SC4117 GR TE85R S TRANSISTOR XP4312 TX S TRANSISTOR DTA144EE TL S TRANSISTOR XP1113 TX S TRANSISTOR XP1113 TX S TRANSISTOR XP1113 TX S TRANSISTOR 2SC4215 O TE85R S TRANSISTOR DTA144EE TL S TRANSISTOR 2SC5277D2 TL S TRANSISTOR XP4312 TX S TRANSISTOR DTA144EE TL S VARICAP S VARICAP S DIODE S VARICAP S VARICAP S DIODE S DIODE S VARICAP S VARICAP S DIODE S DIODE HVU350TRF HVU350TRF ISV308 TPL3 HVU350TRF HVU350TRF ISV308 TPL3 ISV308 TPL3 1SV305 TPL3 HVU350TRF 68718 TX 68718 TX S Surface mount RF UNIT ORDER ORDER kaku mak k umma 1790001620 1790001620 1790000850 1790001620 1790001620 1790001620 1790001260 1790001260 1790001260 1790001260 1790001620 1790001620 1790001620 1790001250 1720000650 1790000850 1790000850 1790000660 1790001260 1790001260 1790001260 1790001260 1790000660 1790001260 1790001260 1790001260 1790001260 1790001260 1720000240 1790001260 1790001260 1790001620 1790001620 1790001620 1790001620 1790001620 OR Oi Lez IO Leien e Di ol rn n ak N 2040001200 2020
20. SEN connector and set as Level 1 uV 107 dBm Modulation 1 kHz Deviation 3 5 kHz Receiving Displayed frequency Push and hold the MOD key RS ch 14 100 MHz Verify that S Meter shows S4 3dots Connect the SSG to the antenna connector and set as Level 0 5 uV 113 dBm Modulation 1 kHz Deviation 3 5 kHz Receiving Displayed frequency tk ch 145 600 MHz Connect an SSG to the antenna connector and set as Level 1 uV 107 dBm Modulation 1 kHz Displayed frequency RSch 145 100 MHz Set the SSG as Level 0 5 113 dBm Receiving Displayed frequency RSch 200 100 MHz Set the SSG as Level 0 5 uV 113 dBm Receiving Displayed frequency RSch 435 100 MHz Set the SSG as Level 0 5 uV 113 dBm Receiving Displayed frequency RS ch 650 100 MHz Set the SSG as Level 0 5 113 dBm Receiving Displayed frequency RS ch 1100 100 MHz Set the SSG as Level 1 uV 107 dBu Receiving This output level of the standard signal generator SSG is indicated as SSG s open circuit im SEN VHF and UHF sensitivitv check point SECTION6 PARTS LIST LOGIC UNIT LOGIC UNIT ORDER ORDER SS ee MT oem 1130008970 S IC HD74LVOOTELL 7030005080 S RESISTOR ERJ2GEJ 823 X 82 1130009020 S IC 2565058 1 2 5 6 7030005080 SS RESISTOR ERJ2GEJ 823 X 82
21. to a fixed frequency of the 1st IF signal with a PLL output fre quency By changing the PLL frequency only the desired frequency will pass through the bandpass filters at the next stage of the 1st mixer The filtered RF signals are mixed with 1st LO signals at the 1st mixer circuit IC1 to produce a 266 7 MHz 1st IF signal The 1st IF signal is output from pin 6 and passed through the bandpass filter FI1 to suppress unwanted harmonic components The filtered 1st IF signal is applied to the 2nd mixer circuit The 1st LO signals are generated at the 1st VCO Q28 Q30 D45 and are applied to the 1st mixer IC1 pin 3 directly or passing through the doubler circuit Q31 after being ampli fied at the buffer amplifiers IC4 Q40 4 1 4 1ST IF AND 2ND MIXER CIRCUITS RF UNIT The 2nd mixer circuit converts the 1st IF signal to a 2nd IF signal The filtered 266 7 MHz 1st IF signal from the bandpass filter is mixed with the 2nd LO signal at the 2nd mixer circuit IC10 pin 1 to produce a 19 65 MHz 2nd IF signal The 2nd IF signal pass through except WFM mode or bypass WFM mode the bandpass filter FI3 and is then amplified at the 2nd IF amplifier Q5 The amplified signal is applied to the demodulator circuit 4 1 5 DEMODULATOR CIRCUITS RF UNIT The demodulator circuit converts the 2nd IF signal into AF signals The 19 65 MHz 2nd IF signal from the 2nd IF amplifier Q5 is applied to the 3rd mixer section of the FM IF IC I
22. unit IC11 pin 8 via the RTONE line to control the AF mute switch 4 2 PLL CIRCUITS 4 2 1 PLL CIRCUIT RF UNIT A PLL circuit provides stable oscillation of the receive 1st 2nd LO frequencies The PLL circuit compares the phase of the divided VCO frequency to the reference fre quency The PLL output frequency is controlled by the divid ed ratio N data of a programmable divider An oscillated signal from the 1st VCO passes thorough the buffer amplifiers IC4 Q43 is applied to the PLL IC IC3 pin 19 and is prescaled in the PLL IC based on the divided ratio N data The PLL IC detects the out of step phase using the reference frequency and outputs it from pin 13 The output signal is passed through the loop filter Q2 Q45 and is then applied to the 1ST VCO circuit as the lock voltage 4 2 2 REFERENCE OSCILLATOR CIRCUIT RF UNIT The reference oscillator circuit X1 IC3 generates a 19 2 MHz reference frequency which is stabilized within the tem perature range 10 C 14 F to 60 C 140 F The refer ence frequency is applied to the PLL IC IC3 pin 16 and the signal is output from the pin 17 and is then applied to the FM IF IC IC2 pin 2 via the low pass fileter e PLL circuit a ist VCO L NE x 928 Q30 054 Loop Q2 Q45 filter tothe FMIFIC 17 Programmable la PSTB 109 Shift register 5 CLK divider DATA zx Buffer 4 2 3 1ST VCO CIRCUIT RF UNIT The oscillated s
23. 0 1 1300 MHz Output level 0 1 HV 32 mV 127 to 17 dBm Input impedance 8Q Standard signal External speaker Capacity 4 W or more generator SSG SOFTWARE INSTALLATION NOTE Before using the program make a backup copy of the original disk After making a backup copy keep the original disk in a safe place D Boot up DOS 2 Insert the backup disk into the floppy drive A 3 Type the following to install the adjustment program A gt INSTALL A C CSR2 Enter 8 ADJUSTMENT FREQUENCY DATA When program adjustment frequency data at right into memory ADJUSTMENT FREQUENCY channel back up the original memory data using the optional CS H2 OPC 478 and re program it after adjustment CAUTION When clone the adjustment frequency data to the receiver the receiver s memory channel wiil be over written the data and deleted original memory data at 145 600 same time 435 600 ENTERING THE ADJUSTMENT MODE we D Connect a JIG see illustration at CONNECTION to the SP wem wm _ jack 200 100 2 Push and hold FUNC then turn power ON 435 100 3 Disconnect the JIG and connect a PC with an OPC 478 E 650 100 4 Boot up DOS Type the following to start up the adjustment program __ 1100 100 RS Channel C CD CSR2 Enter NOTE Adjustment frequency data must be pro C CSR2 gt CSRz2 Enter grammed into proper channels don t turn the Main menu appears at the top side of
24. 0005230 7030005570 7030009280 7030009290 7030005220 7030005050 7030007280 7030005040 7030007290 7030007280 7030005040 7030007290 7030005710 7030007290 7030007290 7030005040 7030005120 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 S COIL S COIL 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 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 LQN21A 6N8D04 0 30 0 9 4TR 10 5N 0 30 0 9 3TR 7 5N ACB1608M 600 T ELJRE 22NG F MLF1608D R10K T MLF1608A 1R2K T ELJRE 39NG F ELJRE 8N2Z F ELJRE 5N6Z F MLF1608D R27K T MLF1608D R33K T MLF1608D R47K T MLF1608D R47K T MLF1608A 3R9K T MLF1608D R47K T MLF1608D R68K T MLF1608A 3R3K T MLF1608A 3R3K T NL 252018T 101J MLF1608A 3R9K T MLF1608D R39K T ERJ2GEJ 331 X ERJ2GEJ 331 X ERJ2GEJ 682 X ERJ2GEJ 12
25. 001270 2010002280 6050010210 6200007740 6200005720 6200005700 6200005700 6200005680 6200005710 6200005630 6200005720 6200005700 6200005680 6200005660 6200005630 6200006990 6200005730 6200007170 6200005740 6150004840 6200008090 6200005730 6200005650 6200006980 6200005630 6200005620 6200005620 6200007670 6200005700 6200005680 6200005700 6200005680 6200005670 6200005660 6200005640 6200005740 6200006990 6200006990 6200008570 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 S VARICAP 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 S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S DIODE S SAW CERAMIC S MONOLITHIC S 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 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 ISV308 TPL3 ISV308 MA132WK TX ISV308 TPL3 ISV308 TPL3 ISV308 TPL3 MA2S077 TX MA2S077 TX MA2S077 TX MA2S077 TX ISV308 TPL3 ISV308 TPL3 ISV308 TPL3 MA2S111 TX 1SV286 TPH3 MA132WK TX MA132WK TX MA728 TX MA2S077 TX MA2S077 TX MA2S077 TX MA2S077 TX MA728 TX MA2S077 TX MA2S077 TX MA2S077 TX M
26. 0013970 4030011810 4030013850 4030013970 4030013970 4550006140 4030008680 4030008680 4030008680 4030013970 S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC ECUE1H101JCQ C1005 JB 0J 104 TEMSVB2 1A 336M 8R ECUE1E102KBQ C2012 JF 1C 105Z T A ECUE1H100CCQ ECUE1H100CCQ C1005 JB 0J 104 C1005 JB 393K TN C1005 JB 0J 104 C1005 JB 1H 152 S ELECTROLYTIC EEFCDOJ470R S TANTALUM S CERAMIC S CERAMIC S TANTALLUM 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 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 TANTALUM S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC S CERAMIC ECST1AD107R ECUE1E102KBQ C2012 JF 1C 105Z T A TEMSVB2 1E 335M 8R C2012 JF 1C 105Z T A ECSTOJY106R C2012 JF 1C 105Z T A ECUE1E102KBQ C2012 JF 1C 105Z T A ECUE1E102KBQ C1005 JB 0J 104K T N ECUE1E102KBQ C1005 JB OJ 10
27. 1 X ERJ2GEJ 153 X ERJ2GEJ 682 X ERJ2GEJ 473 X ERJ2GEJ 473 X ERJ2GEJ 153 X ERJ2GEJ 682 X ERJ2GEJ 473 X ERJ2GEJ 473 X ERJ2GEJ 153 X ERJ2GEJ 473 X ERJ2GEJ 121 X ERJ2GEJ 473 X ERJ2GEJ 223 X ERJ2GEJ 105 X ERJ2GEJ 474 X ERJ2GEJ 152 X ERJ2GEJ 102 X ERJ2GEJ 102 X ERJ2GEJ 153 X ERJ2GEJ 682 X ERJ2GEJ 152 X ERJ2GEJ 101 X ERJ2GEJ 104 X ERJ2GEJ 104 X ERJ2GEJ 101 X ERJ2GEJ 101 X ERJ2GEJ 101 X ERJ2GEJ 153 X ERJ2GEJ 103 X ERJ2GEJ 103 X ERJ2GEJ 223 X ERJ2GEJ 332 X ERJ2GEJ 471 X ERJ2GEJ 103 X ERJ2GEJ 103 X ERJ2GEJ 152 X ERJ2GEJ 104 X ERJ2GEJ 334 X ERJ2GEJ 820 X ERJ2GEJ 391 X ERJ2GEJ 562 X ERJ2GEJ 223 X ERJ2GEJ 103 X ERJ2GEJ 331 X ERJ2GEJ 472 X ERJ2GEJ 222 X ERJ2GEJ 331 X ERJ2GEJ 472 X ERJ2GEJ 222 X ERJ2GEJ 121 X ERJ2GEJ 222 X ERJ2GEJ 222 X ERJ2GEJ 472 X ERJ2GEJ 102 X 330 Q 330 Q 6 8 kQ 120 Q 15 kQ 6 8 kQ 47 kQ 47 kQ 15 kQ 6 8 kQ 47 kQ 47 kQ 15 kQ 47 kQ 120 Q 47 kQ 22 kQ 1 MQ 470 kQ 1 5 kQ 1 1 15 6 8 kQ 1 5 100 Q 100 100 100 Q 100 Q 100 Q 15 10 10 22 ko 3 3 470 Q 10 10 1 5 100 330 82 0 390 Q 5 6 kQ 22 kQ 10 kQ 330 Q 4 7 kQ 2 2 kQ 330 Q 4 7 kQ 2 2 kQ 120 Q 2 2 kQ 2 2 ko 4 7 kQ 1 N AN PE PE PAN PE PE DUGU PE PE PE PE PEN
28. 30 S TRANSISTOR DTA144EE TL 7030005170 S RESISTOR ERJ2GEJ 474 X 470 1510000670 S TRANSISTOR 2SA1588 GR TE85R 7030005050 S RESISTOR ERJ2GEJ 103 X 10 1510000670 S TRANSISTOR 2SA1588 GR TE85R 7030005050 S RESISTOR ERJ2GEJ 103 X 10 1530002280 S TRANSISTOR 2SC4081 T107 S 7030005090 S RESISTOR ERJ2GEJ 104 X 100 1590001190 S TRANSISTOR XP6501 TX AB 7030005090 S RESISTOR ERJ2GEJ 104 X 100 1530002280 S TRANSISTOR 2SC4081 T107 S 7030005160 S RESISTOR ERJ2GEJ 105 X 1 1510000670 S TRANSISTOR 2SA1588 GR TE85R 7030005160 S RESISTOR ERJ2GEJ 105 X 1 1530002280 S TRANSISTOR 2SC4081 T107 S 7030005060 S RESISTOR ERJ2GEJ 333 X 33 1590001390 S FET 2SJ144 V TE85R 7030005080 S RESISTOR ERJ2GEJ 823 X 82 1530002280 S TRANSISTOR 2SC4081 T107 S 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 kQ 1590001190 S TRANSISTOR XP6501 TX AB 7030005240 S RESISTOR ERJ2GEJ 473 X 47 1510000670 S TRANSISTOR 2SA1588 GR TE85R 7030005170 S RESISTOR ERJ2GEJ 474 X 470 1530003630 S TRANSISTOR 2SC4617 TLS 7030007340 S RESISTOR ERJ2GEJ 153 X 15 7030008300 S RESISTOR ERJ2GEJ 184 X 180 3 i OJ 1222222 ES d L III OO OO 9 219191 913 7030008300 S RESISTOR ERJ2GEJ 184 X 180 1790001250 S DIODE 25111
29. 30013850 4030014200 4030013850 4030014180 4030013850 4030013850 4030014160 4550003220 4030009820 4030014350 4030009820 4030009820 4030009820 4030013850 4030013850 4030009820 4030013850 4030014070 4030013850 4030013850 4030013850 4030014210 4030014020 4030014170 4030014130 4030014440 4030014210 4030014200 4030014330 4030014320 4030009810 4030013890 4030009820 4030013970 4030013880 4030013890 4030009820 4030009820 4030013950 4030014440 4030014160 4030014210 4030014490 4030014320 4030013970 4030013890 4030014490 4030013850 4030013970 4030013970 4030013970 4030013970 4030013970 4030013970 4030013970 4030013850 4030013850 4030009820 4030013970 4030013850 4030014110 4030013850 4030013850 4030013850 4030013850 4030013850 4030013850 4030013850 4030011810 4550000510 4030014110 4030014230 4030013880 4550006200 4030013850 4030013970 4030013970 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 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 C
30. 4030014220 4030014030 4030014220 4030013850 4030014070 4030013970 4030014120 4030014080 4030014420 4030013850 4030013850 4550006200 4030013850 4030013850 4030014020 4030013850 4030013850 4030013850 4030013850 4030013850 4030013850 4030013850 4030013850 4030013850 4030013850 4030013850 4030014000 4030013850 4030013850 4030014000 4030014020 4030014070 4030014110 4030014150 4030014000 4030014020 4030014060 4030014090 4030014130 4030009820 4030014060 4030014170 4030014180 4030013850 4550000530 4030013850 4030013850 4030014130 4030013980 4030013850 4030013850 4030013850 4030013850 4030014000 4030009820 4030011810 4030011810 4030014240 4030014080 4030014090 4550003220 4030009820 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 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 TANTALUM S CERAMIC S CERAMIC S CERAMIC S C
31. 4K T N C1005 JB OJ 104K T N ECUE1E102KBQ C1005 JB OJ 104K T N C2012 JF 1C 105Z T A ECUE1E102KBQ ECUE1E102KBQ C1005 JB OJ 104K T N ECUE1E102KBQ C1005 JB OJ 104K T N ECST1AC476R TEMSVD 0G 227M 12R ECUE1E102KBQ C1005 JB OJ 104K T N C1005 JB OJ 104K T N C1005 JB OJ 104K T N C1005 JB OJ 104K T N C1005 JB 1C 183K T N C1005 JB 1E 472K T N C1005 JB 1E 472K T N C1005 JB 1H 222K T N C1005 JB 1E 472K T N C1005 JB 0J 104K T N C1005 JB 0J 104K T N C1005 JB 0J 104K T N C1005 JB 0J 104K T N C1005 JB 473 ECUE1H101JCQ C1005 JB 0J 104K T N C1005 JB 0J 104K T N C1005 JB 0J 104K T N C2012 JF 1C 105Z T A C2012 JF 1C 105Z T A ECSTOJY475R ECSTOJY475R C1005 JB 1E 472K T N C1005 JB 0J 104K T N C1005 JB 0J 104K T N C1005 JB 1C 183K T N C2012 JF 1C 105Z T A ECSTOJY475R C1005 JB OJ 104K T N TEMSVB2 1A 336M 8R C1005 JB OJ 104K T N ECUE1E102KBQ ECUE1H101JCQ C1005 JB OJ 104K T N C1005 JB OJ 104K T N C1608 JB 224 ECUE1E102KBQ C1005 JB OJ 104K T N C1005 JB OJ 104K T N ECST1EY474R C2012 JF 1C 105Z T A C2012 JF 1C 105Z T A C2012 JF 1C 105Z T A C1005 JB 0J 104K T N LOGIC UNIT LE ED QUI 1 O E er DNR F gt STATA YO lt Kal SSES 88 DE MOD DID O KEE e OO LP H O N 17 Ta Is CJ SS Ole LINN I9 Nii noo Ico GO C Ge IN
32. 50 kHz Sensitivity except spurious points Frequency FM WFM 0 495 1 625 0 495 1309 995 0 495 823 995 849 000 868 995 Rated audio 170 mA typical 770 0 833 0 Standby 100 mA typical 833 0 1309 995 0 79 Power saved 41 mA typical FM and WFM are measured at 12 dB SINAD AM is measured 894 000 1309 995 Mode FM WFM AM No of memory channel 450 channel Frequency stability 6 ppm max 10 0 to 60 Tuning steps 5 6 25 10 12 5 15 20 25 30 50 and 100 kHz Anntena i n 50 0 e Power supply requirement 2 x AA R6 Ni Cd or alka line cell e Polarity Negative ground e Frequency resolution 5 kHz 6 25 kHz e Current drain at 3 0 V Usable temperature range 10 C to 60 t 10 dB S N 14 F to 140 F Dimensions 58 W x 86 H x 27 D mm projections included 29 W x 336 H x 1146 D in Squelch Sensitivity Weight with antenna and battely 170 g 6 oz External SP connector 3 conductor 3 5 d mm 180 470 0 770 0 770 0 833 0 833 0 1309 995 0 79 uV Selectivity more than 15 kHz 6 dB less than 30 kHz 60 dB WFM more than 150 kHz 6 dB Audio output power 100 mW typical at 10 distortion with an 8 Q load All stated specifications are subject to change without notice or obligation SECTION 2 INSIDE VIEWS e
33. 5006 054 18V286 SHIFT sw N Q29 DTC144EE G3V Q504 XP1113 800M3V 040 25 5231 1stVCO Q43 2SC5231 X1 CR593 023 28541588 Q41 2SC4617 19 200 MHz D18 HVU350 1 15 TA31056F Q24 2SA1588 042 25077 043 25077 044 25077 IC14 M5222FP Q36 25C4081 0 495 282 995MHz D52 1SV308 050 1SV308 L 047 15V308 Q2 2SK880 Q45 2SC4117 PDAUL PCK IS PSTB 494 195MHz 833 000 1066 695MHz Q6 FH102 017 1SV305 037 28C4617 D53 MA2S111 D57 MA728 D20 MA6S718 D21 65718 Q46 XP4312 Q44 XP4312 Q33 XP1113 Q4 XP6501 Q1 XP6501 D60 MA2S077 D61 MA2S077 017 MA2S111 Q31 2SC4081 Q37 28J144 2 WNSW K gt MUTE DS8 DLC 7995 LCD D58 MA2S077 D59 MA2S077 D16 MA132WK Q18 DTA144EE Q30 XP6501 1066 700 1309 995MHz 494 200 832 995MHz D55 MA132WK UPC2757T EFCH266MKQP1 Q5 266 7 2 2SC5231 017 28J144 12 CFWM450E LOGIC UNIT Q38a NJM2904V 2SC4081 DS2 CL 200YG C TS a Q8 DTA144EE ei LIGHT LIGHT N POWERC gt LIGHT d HGH AN 1 CR613 HD74LVOO 4 935MHz Q35 2841588 35 A CONT N CPU lt 7 2 gt IC11 M38267M8L
34. 7 kQ 4030013850 S CERAMIC ECUE1E102KBQ 7030005050 S RESISTOR ERJ2GEJ 103 X 10 4030014240 S CERAMIC ECUE1H180JCQ 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 4030009820 S CERAMIC C1005 JB 1C 103K T A 7030007280 S RESISTOR ERJ2GEJ 331 X 330 8 4030014180 S CERAMIC ECUE1H470JCQ 7030005570 S RESISTOR ERJ2GEJ 820 X 82 Q 4030014180 S CERAMIC ECUE1H470JCQ 7030005570 S RESISTOR ERJ2GEJ 820 X 82 Q 4030014180 S CERAMIC ECUE1H470JCQ 7030005030 S RESISTOR ERJ2GEJ 152 X 1 5 4030009820 S CERAMIC C1005 JB 1C 103K T A 7030005050 S RESISTOR ERJ2GEJ 103 X 10 4030009820 S CERAMIC C1005 JB 1C 103K T A 7030009140 S RESISTOR ERJ2GEJ 272 X 2 7 4030013850 S CERAMIC ECUE1E102KBQ 7030005090 S RESISTOR ERJ2GEJ 104 X 100 4030013850 S CERAMIC ECUE1E102KBQ 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 4030013850 S CERAMIC ECUE1E102KBQ 7030005530 S RESISTOR ERJ2GEJ 100 X 10 Q 4030009820 S CERAMIC C1005 JB 1C 103K T A 7030005710 S RESISTOR ERJ2GEJ 121 X 120 0 4030009820 S CERAMIC C1005 JB 1C 103K T A 7030005570 S RESISTOR ERJ2GEJ 820 X 82 Q 4030014230 S CERAMIC ECUE1E681KBQ S Surface mount RF UNIT ORDER ORDER mm 4030014230 4030013970 4030014120 4030013850 4030009820 4030006900 4550003220 4030011600 4030011810 4030011810 4030013850 4030013850 4030013850 4030013850 4030013850 4030014100 4030014220 4030014120 4030009820 4030013850
35. 7030005170 S RESISTOR ERJ2GEJ 474 X 470 1790001560 S DIODE 195372 TE85R 7030008300 S RESISTOR ERJ2GEJ 184 X 180 1790000970 S DIODE MA729 TX 7030005310 S RESISTOR ERJ2GEJ 124 X 120 1790001560 S DIODE 155372 TE85R 7030005050 S RESISTOR ERJ2GEJ 103 X 10 1790001250 S DIODE MA2S111 E OTH 1 only 7030007340 S RESISTOR ERJ2GEJ 153 X 15 1790001250 S DIODE MA2S111 TX USA CAN OTH 7030008290 S RESISTOR ERJ2GEJ 183 X 18 1790001250 S DIODE MA2S111 UK OTH OTH 1 7030008290 S RESISTOR ERJ2GEJ 183 X 18 1790001250 S DIODE MA2S111 except OTH 1 7030005530 S RESISTOR ERJ2GEJ 100 X 10 Q 1790001250 S DIODE MA2S111 USA CAN only 7030005240 S RESISTOR ERJ2GEJ 473 X 47 kQ 1790001250 S DIODE MA2S111 USA only 7030007340 SS RESISTOR ERJ2GEJ 153 X 15 1790001250 S DIODE 25111 7030005050 S RESISTOR ERJ2GEJ 103 X 10 1790001560 S DIODE 1SS372 TE85R 7030008300 S RESISTOR ERJ2GEJ 184 X 180 1790000850 S DIODE MA132WK TX 7030005220 S RESISTOR ERJ2GEJ 223 X 22 1790001250 S DIODE MA2S111 TX 7030005240 SS RESISTOR ERJ2GEJ 473 X 47 kQ 7030009290 S RESISTOR ERJ2GEJ 562 X 5 6 7030008300 S RESISTOR ERJ2GEJ 184 X 180 6050010310 S XTAL CR 613 4 935 MHz 7030008300 S RESISTOR ERJ2GEJ 184 X 180 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 7030009270 S RESISTOR ERJ2GEJ 821 X 820
36. A2S077 TX MA2S077 TX 1SV172 TE85R MA2S077 TX MA2S077 TX ISV308 TPL3 ISV308 TPL3 ISV308 TPL3 ISV308 TPL3 ISV308 TPL3 EFCH266MKQP1 CFWM450E FL 293 19 650 MHz CR 593 19 200 MHz LQN21A 47NJ04 ELJRE 33NG F ELJRE 22NG F ELJRE 22NG F ELJRE 15NG F ELJRE 27NG F ELJRE 5N6Z F ELJRE 33NG F ELJRE 22NG F ELJRE 15NG F ELJRE 10NG F ELJRE 5N6Z F ELJRE 56NG F ELJRE 39NG F MLF1608A 3R3K T ELJRE 47NG F LS 510 LQN21A 68NJ04 ELJRE 39NG F ELJRE 8N2Z F ELJRE R10G F ELJRE 5N6Z F ELJRE 4N7Z F ELJRE 4N7Z F LQN21A 10NJ04 ELJRE 22NG F ELJRE 15NG F ELJRE 22NG F ELJRE 15NG F ELJRE 12NG F ELJRE 10NG F ELJRE 6N8Z F ELJRE 47NG F ELJRE 56NG F ELJRE 56NG F LQN21A 6N8D04 RF UNIT 6200008570 6200008510 6200008490 6910011690 6200005700 6200004720 6200004730 6200005730 6200005650 6200005630 6200004940 6200005140 6200004790 6200004790 6200006970 6200004790 6200003630 6200007170 6200007170 6200002040 6200006970 6200005180 030007280 030007280 7030005290 7030005710 7030007340 7030005290 7030005240 7030005240 7030007340 7030005290 7030005240 7030005240 7030007340 7030005240 7030005710 7030005240 7030005220 7030005160 7030005170 7030005030 7030005120 7030005120 7030007340 7030005290 7030005030 7030004980 7030005090 7030005090 7030004980 7030004980 7030004980 7030007340 7030005050 7030005050 7030005220 7030007300 7030005000 7030005050 7030005050 7030005030 7030005090 703
37. AMIC ECUE1E102KBQ 7030005120 S RESISTOR ERJ2GEJ 102 X 4030009820 S CERAMIC C1005 JB 1C 103K T A 7030005120 S RESISTOR ERJ2GEJ 102 X 1 4030014130 S CERAMIC ECUE1H120JCQ 7030005220 S RESISTOR ERJ2GEJ 223 X 22 kQ 4030014170 S CERAMIC ECUE1H330JCQ 7030005220 S RESISTOR ERJ2GEJ 223 X 22 kQ 4030014050 S CERAMIC ECUE1H030BCQ 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 4030014100 S CERAMIC ECUE1H070CCQ 7030005050 S RESISTOR ERJ2GEJ 103 X 4030014080 S CERAMIC ECUE1HOSOBCQ 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 4030013850 S CERAMIC ECUE1E102KBQ 7030005120 S RESISTOR ERJ2GEJ 102 X 1 4030013850 S CERAMIC ECUE1E102KBQ 7030005120 S RESISTOR ERJ2GEJ 102 X 4030013850 S CERAMIC ECUE1E102KBQ 7030005050 S RESISTOR ERJ2GEJ 103 X 10 4030013850 S CERAMIC ECUE1E102KBQ 7030008410 S RESISTOR ERJ2GEJ 392 X 3 9 4030014120 S CERAMIC ECUE1H100CCQ 7030005120 S RESISTOR ERJ2GEJ 102 X 1 4030014120 S CERAMIC ECUE1H100CCQ 7030009140 S RESISTOR ERJ2GEJ 272 X 2 7 4030014030 S CERAMIC ECUE1H2R5BCQ 7030005040 S RESISTOR ERJ2GEJ 472 X 4 7 4030014070 S CERAMIC ECUE1HO40BCQ 7030005710 S RESISTOR ERJ2GEJ 121 X 120 Q 4030014140 S CERAMIC ECUE1H150JCQ 7030005000 S RESISTOR ERJ2GEJ 471 X 470 Q 4030014080 S CERAMIC ECUE1HOSOBCQ 7030005080 S RESISTOR ERJ2GEJ 823 X 82 kQ 4030014060 S CERAMIC ECUE1H3R5BCQ 7030004990 S RESISTOR ERJ2GEJ 221 X 220 Q 4030014200 S C
38. C2 pin 16 and is then mixed with the 3rd LO signal for conversion into a 450 kHz 3rd IF signal IC2 contains the 3rd mixer limiter amplifier quadrature detector and S meter detector etc A frequency from the PLL reference oscillator is used for the 3rd LO signal 19 20 MHz 1 FM mode The 3rd IF signal is output from FM IF IC IC2 pin 3 and passes through the ceramic bandpass filter FI2 The fil tered signal is fed back and amplified at the limiter amplifier section pin 5 then demodulated AF signals at the quadra ture detector section pins 10 11 and detector coil L21 The demodulated AF signals are output from pin 9 and are applied to the AF circuit LOGIC unit 2 WFM mode The 3rd IF signal from the 3rd mixer bypasses the ceramic filter FI2 and fed back to the limiter amplifier section pin 5 The amplified signal is demodulated at the quadrature detector section pins 10 11 and detector coil L21 The AF signals are output from pin 9 and are applied to the AF cir cuit LOGIC unit By connecting R55 to R54 in parallel the output character istics of pin 12 RSSI change gradually Therefore the FM IF IC can detect WFM components 3 AM mode The filtered 3rd IF signal from the bandpass filter 2 is amplified at the 3rd IF amplifier Q1 The amplified IF signal is applied to the AM detector circuit Q4 to converted into AF signals and the signals are applied to the AF circuit LOGIC unit
39. ERAMIC 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 TANTALUM S CERAMIC S CERAMIC S CERAMIC S TANTALUM S CERAMIC S CERAMIC S CERAMIC ECUE1H080CCQ ECUE1H040BCQ ECUE1H080CCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H101JCQ ECUE1E102KBQ ECUE1H470JCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H270JCQ TEMSVA 1E 105M 8L C1005 JB 1C 103K T A ECUE1H560JCQ C1005 JB 1C 103K T A C1005 JB 1C 103K T A C1005 JB 1C 103K T A ECUE1E102KBQ ECUE1E102KBQ C1005 JB 1C 103K T A ECUE1E102KBQ ECUE1H040BCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H151JCQ ECUE1H020BCQ ECUE1H330JCQ ECUE1H120JCQ ECUE1H820JCQ ECUE1H151JCQ ECUE1H101JCQ ECUE1H221JCQ ECUE1H181JCQ C1005 JB 1E 102K T A C1005 JB 1H 152 C1005 JB 1C 103K T A C1005 JB OJ 104K TN C1005 JB 1H 222K T N C1005 JB 1H 152 C1005 JB 1C 103K T A C1005 JB 1C 103K T A C1005 JB 393K T N ECUE1H820JCQ ECUE1H270JCQ ECUE1H151JCQ ECUE1E331KBQ ECUE1H181JCQ C1005 JB OJ 104K T N C1005 JB 1H 152K T N ECUE1E331KBQ ECUE1E102KBQ C1005 JB OJ 104K T N C1005 JB OJ 104K T N C1005 JB OJ 104K T N C1005 JB OJ 104K T N C1005 JB OJ 104K T N C1005 JB OJ 104K T N C1005 JB OJ 104K T N ECUE1E102KBQ ECUE1E102KBQ C1005 JB 1C 103K T A C1005 JB OJ 104K TN ECUE1E102KBQ ECUE1H080CCQ ECUE1E102KBQ ECUE1E102KBQ
40. ERAMIC 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 ECUE1E681KBQ C1005 JB 0J 104K T N ECUE1H100CCQ ECUE1E102KBQ C1005 JB 1C 103K T A C1608 JB 1E 103K T A TEMSVA 1E 105M 8L C1608 JB 1C 104KT N C1608 JB 1A 224K T N C1608 JB 1A 224K T N ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H070CCQ ECUE1E471KBQ ECUE1H100CCQ C1005 JB 1C 103K T A ECUE1E102KBQ ECUE1E471KBQ ECUE1H2R5BCQ ECUE1E471KBQ ECUE1E102KBQ ECUE1H040BCQ C1005 JB OJ 104K T N ECUE1H100CCQ ECUE1HOSOBCQ ECUE1HORSBCQ ECUE1E102KBQ ECUE1E102KBQ ECSTOJY106R ECUE1E102KBQ ECUE1E102KBQ ECUE1H020BCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H1R5BCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H1R5BCQ ECUE1H020BCQ ECUE1H040BCQ ECUE1H080CCQ ECUE1H220JCQ ECUE1H1R5BCQ ECUE1H020BCQ ECUE1H3R5BCQ ECUE1HO60CCQ ECUE1H120JCQ C1005 JB 1C 103K T A ECUE1H3R5BCQ ECUE1H330JCQ ECUE1H470JCQ ECUE1E102KBQ TESVA 1V 104M1 8L ECUE1E102KBQ ECUE1E102KBQ ECUE1H120JCQ ECUE1H010BCQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1E102KBQ ECUE1H1R5BCQ C1005 JB 1C 103K T A C1608 JB 224K TN C1608 JB 224K TN ECUE1H180JCQ ECUE1HOSOBCQ ECUE1HO60CCQ TEMSVA 1E 105M 8L C1005 JB 1C 103K T A RF UNIT 4030014110 4030014070 4030014110 4030013850 4030013850 40
41. ERAMIC ECUE1H101JCQ 7030007340 S RESISTOR ERJ2GEJ 153 X 4030009820 S CERAMIC C1005 JB 1C 103K T A 7030005050 S RESISTOR ERJ2GEJ 103 X 10 4030009820 S CERAMIC C1005 JB 1C 103K T A 7030005090 S RESISTOR ERJ2GEJ 104 X 100 4030014050 S CERAMIC ECUE1H030BCQ 7030007340 S RESISTOR ERJ2GEJ 153 X 4030014090 S CERAMIC ECUE1H060CCQ 7030007290 S RESISTOR ERJ2GEJ 222 X 2 2 4030014090 S CERAMIC ECUE1H060CCQ 7030005120 S RESISTOR ERJ2GEJ 102 X 1 4030014050 S CERAMIC ECUE1H030BCQ 7030007270 S RESISTOR ERJ2GEJ 151 X 150 0 4030013980 S CERAMIC ECUE1H010BCQ 7030004990 S RESISTOR ERJ2GEJ 221 X 220 Q 4030014050 S CERAMIC ECUE1H030BCQ 7030005720 S RESISTOR ERJ2GEJ 563 X 56 4030014220 S CERAMIC ECUE1E471KBQ 7030008010 S RESISTOR ERJ2GEJ 123X 12 kQ 4030013850 S CERAMIC ECUE1E102KBQ 7030009290 S RESISTOR ERJ2GEJ 562 X 5 6 4030013850 S CERAMIC ECUE1E102KBQ 7030005050 S RESISTOR ERJ2GEJ 103 X 10 4030013850 S CERAMIC ECUE1E102KBQ 7030004990 S RESISTOR ERJ2GEJ 221 X 220 Q 4030014020 S CERAMIC ECUE1H020BCQ 7030005050 S RESISTOR ERJ2GEJ 103 X 10 4030009820 S CERAMIC C1005 JB 1C 103K T A 7030005050 S RESISTOR ERJ2GEJ 103 X 10 4030013850 S CERAMIC ECUE1E102KBQ 7030005120 S RESISTOR ERJ2GEJ 102 X 1 4030014170 ECUE1H330JCQ
42. 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 03 03 Fax 561 36 03 00 URL http www icom france com Asia Icom Inc 6F No 68 Sec 1 Cheng Teh Road Taipei Taiwan R O C Phone 02 2559 1899 Fax 02 2559 1874 Count on us Icom Inc 552017 5 0 1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan 1998 Icom Inc
43. ITS e NOISE SQUELCH The noise squelch circuit cuts out AF signals when no RF signals are received By detecting noise components in the AF signals the squelch circuit switches the AF mute switch A portion of the AF signals from the FM IF IC RF unit IC2 pin 9 are applied to the active filter section IC2 pin 8 The active filter section amplifies and filters noise components The filtered signals are applied to the noise detector section and output from IC2 pin 13 as the SDET signal The SDET signal from IC2 pin 13 passes through the noise detector LOGIC unit IC1 and is then applied to the CPU LOGIC unit IC11 pin 12 via the SQL line The CPU analyzes the noise condition and outputs the AMUTE sig nal to the AF mute switch Q37 Even when the squelch id closed the AF mute switch Q37 opens at the moment of emitting beep tones 3rd IF filter e SQUELCH The tone squelch circuit detects AF signals and opens the squelch only when receiving a signal containing a matching subaudible tone CTCSS When tone squelch is in use and a signal with a mismatched or no subaudible tone is received the tone squelch circuit mutes the AF signals even when noise squelch is open A portion of the AF signals from the FM IF IC IC2 pin 9 passes through the low pass filter LOGIC unit IC9 via the WFMS line to remove AF voice signals and is applied to the CTCSS decoder inside the CPU LOGIC
44. LOGIC UNIT 3 2 regurater PUR IC4 S 81332H 4 e S 1 L i ER e RF UNIT TOP VIEW 2nd mixer IC10 uPC2757T IF amplifer Q5 2SC5231 FM IF IC IC2 TA31136FN PLL reference oscillator X1 CR593 19 200 2 PLL circuit PLL IC IC3 uPD3140GS AF power amplifier IC15 TA31056F AF mute switch Q37 2SJ144 AF filter Q30 XP6501 BOTTOM VIEW 1st mixer IC1 uPC2757T VCO circuit SECTION 3 DISASSEMBLY INSTRUCTIONS e REMOVING THE REAR PANEL D Unscrew 2 screws 2 Remove the rear panel in the direction of the arrow Rear panel e REMOVING THE RF UNIT CD Unscrew 1 screw B 2 Remove 1 knob Unscrew 2 nuts O and 3 Unsolder 5 points and then remove the RF unit RF unit e REMOVING THE LOGIC UNIT D Unscrew 2 screws G 2 Unsolder 2 points H and then remove the LOGIC unit OB gt L AE SECTION 4 CIRCUIT DESCRIPTION 4 1 RECEIVER CIRCUITS 4 1 1 ANTENNA SWITCHING CIRCUIT RF UNIT The HF signals from the antenna connector pass through the limitter D68 and an attenuator D69 The signals are then applied to the RF circuit the antenna switching circuit D13 D73 D75 which suppress out of band signals 4 1 2 RF CIRCUIT RF UNIT The RF circuit amplifies the received signals within the range of frequency coverage and filters out of band signals 1 0
45. R88 c 064 C562 526 C563 E ep C256 B C235 eg R170 C237 54 em R200 far a N 20 1 J1 to RF unit J1 AM WFM 21 40 e BOTTOM VIEW SECTION 10 BLOCK DIAGRAM _ UNIT IM 0 495 1 8995MHz LIM LPF D63 MA2S077 D65 MA2S077 D66 MA2S077 7 0505 28C4215 D69 MA2S077 gt BANDSW 2l gt BANDSW D64 25077 067 25077 070 MA2S077 0 495 29 995MHz ANT SW gt LPF 15 29 995MHz 1 9 14 995MHz AN D13 1SV308 2l HPF 073 1SV308 075 18V308 118 175MHz 118 174 995MHz D3 1SV308 D11 18V308 074 18V308 UPA805T 04 HVU350 D5 HVU350 470 832 995MHz D32 1SV308 Q24 2SC5277 D34 1SV308 30 117 995MHz 175 329 995MHz gt 833 1309 995MHz RS ELLE CERAMIC BPF 3V 35 Q3 2SA1588 Q39 XP6501 R3V Q4 2SA1588 VP 10 1 D1 HVU350 014 102 D2 HVU350 330 470MHz NZ D25 1SV308 D29 1SV308 D72 1SV308 Q509 DTA144EE COMMON Q506 DTA144EE Q501 DTA144EE lt HF3V B1 3V SW 300M3V DATA 1stVCO 4 RX 267 1950 549 8475MHz 028 2805006 030 25
46. act 1995 LCD holder 1995 LCD sheet 1995 Reflector Screw PH BO 1 7XANI ZU BT 2127 Shield case NO sch 3030000450 3310002150 0800005090 0800005100 8930044191 8010011960 NICD CEL Antenna FA S270C Chager BC 127A ACC Chager BC 127D ACC 1995 Belt clip 1 Handstrap OTH only USA CAN only EUR OTH only RF UNIT REF NO ODER NO DESCRIPTION 6510020550 S Connector AXK6S40445P Screw abbreviations A BO BT Self tapping PH Pan head FH Flat head BiH Bind head NI Nickel SUS Stainless ZK Black MP3 C MP2 C RF unit MP13 C MP1 C ii A lt LOGIC unit V 99 i eO di o D MP9 C UNIT abbreviation C CHASSIS PARTS R RF UNIT L LOGIC UNIT SECTION8 SEMI CONDUCTOR INFORMATION TRANSISTOR AND FET S 25 1588 GR 2SC4081 S 25 4117 GR 2SC4215 O 2SC4617 S Symbol A6 Symbol BS Symbol DG Symbol QO Symbol BR d We 2SC5006 2SC5231 C8 2SC5277 D2 2SJ144 Y 2SK880 Y Symbol 24 Symbol C8 Symbol D2 Symbol VX Symbol XY E EP DTA144EE DTC114EE DTC144EE FH102 uPA805T Symbol 16 Symbol 24 Symbol 26 Symbol 102 Symbol T82 B E2 E2 B2 B2 E B1 B1 XP1113 XP4213 XP4312 XP6501 AB Symbol 7L Symbol 8S Symbol 7T Symbol 5N EE 38 e DIODES 1SS372 1SV172 1SV286 1SV305 1SV308 Symbol N9 Symbol BE Symbol T7 Symbol TV
47. hing diode D74 and low pass filter C8 C13 C67 C416 114 L57 L59 170 and are then amplified at RF amplifier Q14 The amplified signal passes through the tunable band pass filters D1 D2 and band switching diode D25 The 330 MHz 469 995 MHz signals are amplified at RF amplifier Q35 via the band switching diode D3 and band pass filter C19 C23 C216 L2 L5 The amplified signal passes through the tunable band pass filters D3 D4 and band switching diode D29 The 470 MHz 832 995 MHz signals are amplified at RF amplifier Q24 via the band pass filter C32 C33 C35 C37 C39 C144 C145 between the band switching diode D11 D32 3 30 117 995 MHz 175 329 995 MHz The 30 MHz 117 95 MHz 175 MHz 329 995 MHz signals pass through the low pass filter C40 C43 C665 C666 L9 L10 192 and are then applied to the RF amplifier Q36 The amplified signals are amplified at the RF amplifier IC 11 via band switching diodes D34 D71 The amplified signals are applied to the 1st mixer circuit IC1 4 833 MHz 1309 995 MHz The 833 MHz 1309 995 MHz signals pass through the bandpass filter C5 C45 51 L11 L13 L43 and are then applied to the RF amplifier Q26 The amplified signals are amplified at the RF amplifier IC11 via band switching diodes D36 The amplified signals are applied to 1st mixer circuit IC1 4 1 3 1ST MIXER CIRCUIT RF UNIT The 1st mixer circuit converts the received RF signals
48. ignal is applied to the buffer amplifiers IC4 Q40 The amplified signal is applied to the 1st mixer circuit IC1 via the RX LO swtich circuit D42 D44 and doubler circuit Q31 The 1st VCO circuit Q28 Q30 D54 oscillates 267 2 MHz 380 MHz 380 MHz 550 MHz by switching the SHIFT switch Q29 High and Low respectively A portion of the signal from IC4 is amplified at the buffer amplifier Q43 and is then fed back to the PLL IC IC3 pin 2 as the comparison signal 4 2 4 2nd VCO CIRCUIT RF UNIT The 2nd LO circuit generates the 2nd LO frequencies and the signals are applied to the 2nd mixer circuit The 2nd VCO circuit Q6 L45 C80 C207 C208 oscillates 260 MHz The oscillated signal is applied to the 2nd mixer IC10 pin 3 and is then mixed with the 1st IF signal An oscillated signal from the 2nd VCO passes through the low pass filter C154 C250 C252 L69 and is applied to the PLL IC IC3 pin 2 and is then output from pin 8 e 2nd LO VCO circuit Q37 D53 DM filter to the 2nd mixer IC10 Buffer gt to 1st mixer circuit 4 3 POWER SUPPLY CIRCUITS 4 4 PORT ALLOCATIONS VOLTAGE LINE 4 4 1 CPU LOGIC UNIT IC11 LINE DESCRIPTION Port jame Description The voltage from the attached battery Output control signal for the adjust Common 13 V converted from BATT line by the 1 ADJ ment mode VP DC DC convertors IC10 and D3 D5 D15 The output v
49. ir Cuit Outputs low pass filter select signal Low When frequencies 30 to 118 MHz or 175 to 330 MHz are displayed Outputs band pass filter select signal Low When frequencies 833 to 1309 995 MHz are displayed Outputs band pass filter select signal Low When frequencies 470 to 1027 MHz are displayed Outputs band pass filter select signal Low When frequencies 330 to 470 MHz are displayed Outputs band pass filter select signal Low When frequencies 118 to 175 MHz are displayed Port D ipti escription Output port for 1st VCO SHIFT signals to the shift switch RF unit Q29 High Shift ON 380 550 MHz Low Shift OFF 267 2 380 MHz Output control signal for the 0 5 30 MHz band RF amplifier Low Receiving 0 5 30 MHz bands SECTION5 ADJUSTMENT PROCEDURES 5 1 PREPARATION The receiver IC R2 must be adjusted on the adjustment mode after programmed adjustment frequency data into memory chan nel When you program adjustment frequency data into memory channel optional CS R2 PROGRAMMING SOFTWARE OPC 478 CLONING CABLE are requird REQUIRED TEST EQUIPMENT EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE Output voltage 3 0 V DC Frequency range 0 1 600 MHz Current capacity 1 A or more Frequency counter Frequency accuracy 1 ppm or better Sensitivity 100 mV or better DC power supply AC millivoltmeter Measuring range 10 mV 10 V Frequency range
50. ly 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 receiver is defective READ the instructions of test equipment thoroughly before connecting equipment to the receiver ISDN SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION SECTION TABLE OF CONTENTS 2 NSIDE VIEWS 4 41 RECEIVER CIRCUITSI 42 PLLCIBGUITS esee es e ee es n e een 43 POWER SUPPLY CIRCUITS gt gt _ _ 5 eee ee eae ea aae 5 2 PLLADJUSTMENT Tu 53 RECEIVERADJUSTMENTI 6 PARTS LIST 7 MECHANICAL PARTS AND DISASSEMBLY SEMI CONDUCTOR INFORMATION 9 BOARD LAYOUTS 9 1 na a a AW se epee sss 9 2 10 BLOCK DIAGRAM 11 VOLTAGE DIAGRAM 11 1 LOGIC UNIE wer 11 2 LI II Reeg inter 224 on ceca D Q R haere SECTION 1 SPECIFICATIONS GENERAL RECEIVER Frequency range Receiver system Tripple super heterodyne e Intermediate frequency 1st 266 7 MHz Receive Frequencies MHz ond 19 65 MHz 3rd 4
51. oltage is applied to the PLL circuit RF 2 Outputs RF attenuator control signal unit to attenuator switch Receive 3V controlled by the R3V regulator cir Input port for LOCK BAND V M cuit Q4 using the RX signal from CPU IC11 switches Common 3V converted by the 35 regulator cir Input port for UP DOWN switches 43S cuit Q3 Q39 using the 3SC signal from CPU Output AF mute switch LOGIC unit IC11 AMUTE Q37 control signal Common 3V converted by the 3V regulator cir LOW While squelched cuit Q6 using the POWERC signal from CPU Input port for the Low battery detec IC11 tion Input port for the RSSI signal from the RSSI LM IF IC RF unit IC2 pin12 to detect receiving signal strength RTONE Input port for the receiving tone signal Outputs control signal for the tunable band pass filter Outputs control signal for the RIT fre FSET quency Outputs control signal for the CTCSS CTON requlator circuit Pulse signal input port for the squelch Input port for the FUNC switch 13 KFUNC Low While FUNC switch is pushed Input port for the TS switch Low While TS switch is pushed Outputs level control signal for AF vol ume Input port for the DOWN signal from the DIAL Outputs AM mode select signals Low When AM is selected Outputs WFM mode select signals WFM Low When WFM is selected 21 BEEP Outputs beep audio signals Input p
52. ort for the UP signal from the ez DIAL Input for the POWER switch 23 POWER Low While POWER switch is pushed Outputs control signal for the AF amplifier requlator circuit 24 AFON High Activates the AF amplifier cir cuit Outputs control signal for the 1st dou bler circuit 25 DBL1 Low Activates the 1st doubler cir cuit N 14 15 16 17 18 GE KAL Port eee _ 26 LIGHT Output LCD backlight control signal High Lights ON Outputs 35 requlator control singal for the receiver circuit Low Receiving POWERC Outputs 3V requlator control singals Outputs high pass filter select signal Low When frequency 15 to 30 MHz are displayed Outputs band pass filter select signal Low When frequency 1 9 to 15 MHz are displayed Outputs low pass filter select signal Low When frequency 0 5 to 1 5 MHz are displayed Input port for the SQL switch SE High While SQL switch is pushed RESET Input port for the RESET signal Outputs data signals to the EEPROM IC LOGIC unit IC2 Outputs clock signal to both PLL IC RF unit IC3 and EEPROM IC LOGIC unit IC2 Outputs clock signal to EEPROM IC Input ports for Initial matrix PSTB Outputs strobe signals for the PLL IC Outputs data signals to the PLL IC Input port for PLL unlock signal from PLL IC RF unit IC3 Output control signal for the doubler circuit Low Activates the 2nd doubler c
53. the cloning program order of channels otherwise adjustment value select the sub menu CH Bank 1 then will be wrong input adjustment frequency at right 6 Select Write Receiver of the Clone on the top menu Application writes adjustment frequency data to the connected receiver 7 Disconnect the cloning cable and turn power OFF then turn power ON to start adjustment OPERATING ON THE ADJUSTMENT MODE Change the value DIAL Change the channel UP BAND Change the channel DOWN BAND EXITING THE ADJUSTMENT MODE When the adjustment is finished the receiver must be cancelled adjustment mode to use normal operation otherwise receiver does not work properly D Turn power OFF 2 Push and hold FUNC and V M then turn power ON NOTE All memory data except adjustment value will be cleared at this operation 8 CONNECTION Terminator for the entering adjustment mode to SP jack C mad 1 8 3 5 mm 3 conductor plug Standard signal generator 24 2 AD 92SMA Optional SMA BNC adaptor m pe DC power supply 30Vt 0A 5 2 PLL ADJUSTMENT MEASUREMENT ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION VALUE POINT 1 Displayed frequency HF Connect the digital 1 9 V 2 9 V Verify 493 300 MHz multi meter to the Receiving check point LV1 Displayed frequency less than 12 V 282 900 MHz Receiving

Receiver Icom IC-R2 Service Manual

Contents

Download Pdf Manuals

Related Search

Related Contents