Multi-Tech FR3100 Servisní příručka

VHF FM REPEATERiC-fr3000iC-fr3100

3 - 3The filtered signals are applied to the limiter amplifier (IC3),and are then mixed with the DTMF signal from the CPU(IC33, pin 43) via the TX-sig

3 - 4detected voltage exceeds the power setting voltage. Thenthe output voltage of the APC amplifier IC (IC1, pin 4) con-trols the input current of th

3 - 53-4 OTHER CIRCUITS3-4-1 TELEPHONE IF CIRCUIT (LOGIC UNIT)The signals from the telephone line (FRONT, J13) areapplied to the ringer detect circuit

Input port for the strobe signal.Input port for the clock signal.Outputs the serial data to the CPU(LOGIC unit; IC33).Input port for the received AF s

3 - 7 Outputs the strobe signal for the PLLIC on the RX unit.Outputs the strobe signal for the PLLIC on the TX unit.Input port for the unlock signal f

3 - 8 Outputs the strobe signal for the portexpander IC (LOGIC unit; IC41).Outputs the strobe signal for the portexpander IC (LOGIC unit; IC40). Outpu

4 - 14-1 PREPARATIONSome adjustments must be performed on the “ADJUSTMENT MODE”. CS-FR3000 CLONING SOFTWARE, OPC-478 CLONINGCABLE and OPC-592 ADAPTOR

BEFORE ENTERING THE ADJUSTMENT MODECAUTION!: Need to back up the original memory data using CS-FR3000 before cloning the adjustment frequencies.When

4 - 3 ENTERING THE ADJUSTMENT MODE1 Turn the power OFF.2 While pushing and holding both [CH-DN] and [CH-UP],turn ON. Never release [CH-DN] and [CH-UP

4 - 4171.925 (RX)171.725 (TX)171.925 (RX)171.725 (TX)160.075 (RX)160.275 (TX)148.075 (RX)148.275 (TX)148.075 (RX)148.275 (TX)160.075 (RX)160.275 (TX)1

INTRODUCTIONThis service manual describes the latest service informa-tion for the IC-FR3000/IC-FR3100 VHF FM REPEATER.To upgrade quality, all electric

4 - 54-2 PLL ADJUSTMENTTX VCO LOCKVOLTAGERX VCO LOCKVOLTAGEREFERENCEFREQUENCY1112• LCD display : A01 LW TXREF 127• Transmitting• LCD display : A01 LW

4 - 6*The output level of the standard signal generator (SSG) is indicated as the SSG’s open circuit.4-3 SOFTWARE ADJUSTMENTSelect an item using [CH-U

4 - 7SOFTWARE ADJUSTMENT – continuedSelect an item using [CH-UP] / [CH-DN] buttons, then set specified value using [RPT/BASE] / [MONI] buttons on theF

4 - 8*The output level of the standard signal generator (SSG) is indicated as the SSG’s open circuit.SOFTWARE ADJUSTMENT – continuedSelect an item usi

[REG UNIT][REG UNIT]IC1 1180001320 IC NJM7809FA TIC2 1180002290 S.IC NJM7809DL1A-TE BIC3 1180001860 S.IC TA78M05F (TE16L) BIC4 1180002480 S.REG TA78D

[FRONT UNIT]Q1 1530002060 S.TRANSISTOR 2SC4081 T106 R TD1 1750000930 S.DIODE NNCD8.2C-T1 TD2 1750000930 S.DIODE NNCD8.2C-T1 TD3 1750000930 S.DIODE NNC

[LOGIC UNIT][LOGIC UNIT]Q48 1160000150 S.TRANSISTOR IMZ4 T108 BQ49 1590001960 S.TRANSISTOR XP4311 (TX) TQ50 1590001960 S.TRANSISTOR XP4311 (TX) TQ51

[LOGIC UNIT][LOGIC UNIT]R148 7030003760 S.RESISTOR ERJ3GEYJ 474 V (470 kΩ) TR149 7030003450 S.RESISTOR ERJ3GEYJ 122 V (1.2 kΩ) TR150 7030003450 S.RESI

[LOGIC UNIT][LOGIC UNIT]R373 7030003520 S.RESISTOR ERJ3GEYJ 472 V (4.7 kΩ) BR375 7030003680 S.RESISTOR ERJ3GEYJ 104 V (100 kΩ) BR376 7030003540 S.RESI

[LOGIC UNIT][LOGIC UNIT]C91 4030009490 S.CERAMIC C1608 JB 1H 821K-T TC92 4030008650 S.CERAMIC C1608 JB 1H 332K-T BC93 4030012610 S.CERAMIC C2012 JB 1C

TABLE OF CONTENTSSECTION 1 SPECIFICATIONSSECTION 2 INSIDE VIEWSSECTION 3 CIRCUIT DESCRIPTION3 - 1 RECEIVER CIRCUITS ...

[LOGIC UNIT][LOGIC UNIT]C301 4510004630S.ELECTROLYTICECEV1CA100SR TC302 4510004630S.ELECTROLYTICECEV1CA100SR TC303 4030011600 S.CERAMIC C1608 JB 1E 10

[RX UNIT][RX UNIT]IC1 1190000450 S.IC GN2011-Q (TX) TIC2 1110003490 S.IC TA31136FN (D,EL) TIC3 1180000420 S.IC TA78L05F (TE12R) TIC4 1140

[RX UNIT][RX UNIT]R158 7030003560 S.RESISTOR ERJ3GEYJ 103 V (10 kΩ) TR159 7030003440 S.RESISTOR ERJ3GEYJ 102 V (1 kΩ) TR160 7030003520 S.RESISTOR ERJ3

[RVCO UNIT][RX UNIT]C201 4550006250 S.TANTALUM TEESVA 1A 106M8L BC202 4030006860 S.CERAMIC C1608 JB 1H 102K-T TC203 4030011600 S.CERAMIC C1608 JB 1E 1

[TX UNIT][TX UNIT]IC1 1180000420 S.IC TA78L05F (TE12R) BIC2 1140002131 S.IC MB1511PFV-G-BND-ER BIC3 1110002400 S.IC NJM2107F-TE1 BIC4 1180000430 S.IC

[TVCO UNIT][TX UNIT]C74 4030006860 S.CERAMIC C1608 JB 1H 102K-T TC75 4030006860 S.CERAMIC C1608 JB 1H 102K-T TC76 4030006860 S.CERAMIC C1608 JB 1H 102

[PA UNIT][PA UNIT]IC1 1110002750 S.IC TA75S01F (TE85R) TIC2 1150002110 IC S-AV33 (I) [FR3100] T1150002160 IC S-AV32 (I2) [FR3000] TIC3 1110002400 S

[JACK1 UNIT][PA UNIT]T2 5910001000 TRANSFORMER TC-7 TW3 7030003860 S.RESISTOR ERJ3GE JPW V TEP1 6910014490 TERMINAL OP-100 M3 TEP2 6910014490 TERMINAL

[JACK2 UNIT]D1 1750000930 S.DIODE NNCD8.2C-T1 TD2 1750000930 S.DIODE NNCD8.2C-T1 TD3 1750000930 S.DIODE NNCD8.2C-T1 TD4 1750000930 S.DIODE NNCD8.2C-T1

SECTION 6 OPTION UNIT INSTALLATION6 - 16-1 Opening the repeater’scaseFollow the case and cover opening procedures shownhere when an optional unit is i

Measurement methodFrequency rangeType of emissionChannel spacingFrequency stabilityNumber of channelsAntenna connectorPower supply requirementCurrent

6 - 26-3 Duplexer and isolaterinstallationq Remove the top and bottom covers (See page 6-1).w Tighten 4 screws, A, for installing the duplexer unit.3

6 - 3CONNECTION PARX J1DUPRX ISO PA DUPPAISO ISO: ISOLATER DUP: DUPLEXER EXAMPLE 1 : ISOLATER CONNECTIONEXAMPLE 3: DUPLEXER AND ISOLATER CONNECTION

7 – 1SECTION 7 MECHANICAL PARTS AND DISASSEMBLYScrew abbreviationsB0, BT: Self-tapping PH: Pan head FH: Flat headNI-ZU: Nickel-Zinc ZK: BlackW2

7 – 2MP19MP101MP101MP27W5 (L)W4 (L)MP69EP3 (F)EP2 (F)EP4 (F)EP7 (F)EP6 (F)EP5 (F)MP68MP68MP68MP84W17MP84MP84MP82MP82W2MP67MP67MP66MP66MP14MP15W16MP1MP

7 - 3W1MP100MP34W5MP83MP35MP35MP59J1W12W3MP33W10W11MP32EP7 (R)EP8 (R)EP4 (R)EP9 (R)EP5 (R)EP3 (R)EP10 (R)EP6 (R)MP33MP83MP83MP83MP83MP83F6 (R)F2(R)F4(

7 - 4MP1 8510014700 2368 RVCO case 1REF ORDERDESCRIPTIONNO. NO.QTY.[RVCO UNIT]MP1 8510014690 2368 TVCO case 1REF ORDERDESCRIPTIONNO. NO.QTY.[TVCO UNIT

8 - 1SECTION 8 SEMI-CONDUCTOR INFORMATION8 - 1 TRANSISTORS AND FETS2SC4116-Y(Symbol: LY)2SC4215-O(Symbol: QO)2SC5006-T1(Symbol: 24)2SA1362-Y 2SB1182

8 - 28 - 2 DIODES1SS226 (TE85R) (Symbol: C3) AC1SS268 (TE85R) (Symbol: BF) CA1A21SS319 (TE85R) (Symbol: A4) A1A2C1C2AACC1SS355 TE-17 (Symbol: A) ACAC

9 - 1GNDA5VLCDVRSR/WENADB0DB1DB2DB3DB4DB5DB6DB7BLVGNDGNDLVGNDV9VRX OUTGNDto LCD DS7J4to RX UNITVOLUME SQUELCHMODC7MODLVGNDTX OUTV9VJ3J1J5J6J4J2J161to

9 - 2 VR UNIT¡BOTTOM VIEWTVCO UNIT ¡BOTTOM VIEWRVCO UNIT ¡BOTTOM VIEWDCLTXLBASELD5VDB7DB5ENARSGNDPROGCHDNI R/Bto LOGIC UNIT J3to LOGIC UNIT J4REMOTEMI

2 - 1JACK1 unit*FRONT unitJACK2 unit*TX unitRX unitPA unitREG unitLOGIC unit*SECTION 2 INSIDE VIEWS• BOARD LAYOUT*: Located under side of this point.

9 - 3J9134567891011121311SPGSPto JACK1 UNIT J3–PTT+PTT–AFOUT+AFOUT–EXTMOD+EXTMOD+BUSY–BUSYGNDJ11113BUSYOUTTXOUTCOAXSWM/SOM/SID0E R/BE PT2E MONID3/DTOD

9 - 4DCLPROGLTXLRMTLBASELBUSYLD5VD5VDB7DB6DB5DB4ENAR/WRSA5VGNDGNDPROGDISPCHDNCHUPI R/BI MONIJ1122122NDETSQLGNDDISCGNDGNDGNDGNDGNDGNDTUNERVCONRLVRSSIW/

9 - 5to LOGIC UNIT J1RX ANTJ1W12J2GNDGNDM9VM9VR9CGNDRSSIGNDRUNLKRLVSCKSDTORPLSTBW/NSNDETGNDGNDDISCGNDTUNERVCONSQL221 122123456GNDRX OUTV9VLVGNDGND9 -

9 - 6¡¡BOTTOM VIEWRX UNITThe combination of this page and the previous pageshows the unit layout in the same configuration as theactual P.C. Board.

9 - 7to LOGIC UNIT J2to PA UNITJ221J32212J5to PA UNIT J110M9VM9VTMUTE2PCONPATEMPRVSWRFWSWRGNDGNDGND1J4SCKSDTODA1STBTPLSTBM9VM9VGNDTUNLKW/NSTLVGNDTMUTE

9 - 8¡¡BOTTOM VIEWTX UNITThe combination of this page and the previous pageshows the unit layout in the same configuration as theactual P.C. Board.

9 - 9to TX UNIT J1W1TXRFINGNDto TX UNIT J410M9VM9VTMUTE2PCONPATEMPRVSWRFWSWRGNDGNDGND1GNDVCC1to REG UNIT EP7EP2 EP1to REG UNIT EP8TX ANTW13IC29 - 8 PA

9 - 10to TX UNIT J1W1TXRFIN GNDGNDVCC1to REG UNIT EP7EP2EP1to REG UNIT EP8IC2¡¡BOTTOM VIEWPA U NITThe combination of this page and the previous pagesh

9 - 11to LOGIC UNIT J5to LOGIC UNIT J6to PA UNIT EP2to PA UNIT EP1PS 0V PS 15VBATTERY–PS 15VBATTERY+PS 0VGNDGNDVCC1VCC1A5VREGTEMPM9CL9VM9VL9VA5VPSDM9V

9 - 12JACK1 UNIT ¡BOTTOM VIEWJACK2 UNIT¡BOTTOM VIEWto PA UNIT EP2to PA UNIT EP1PS 0VPS 15VBATTERY–PS 15VBATTERY+PS 0Vto LOGIC UNIT J10AF GNDDISC OUT

2 - 2• LOGIC UNITTop viewBottom viewSplatter filter (IC4: NJM2902V)CTCSS decoder(IC29: FX805LG)D/A converter (IC25: M62364)Mic mix amplifier(IC2: NJM2

10 - 1TXUNITSCK,SDTO,DA1STB,TPLSTBI TONETXAFPATEMPTLVTUNLKFWSWRRVSWRIC4DTX-TONEFILQ1: XP1214CTDTOfrom CPUIC4: NJM2902VSPLATFILIC4A, B, CIC3: NJM2902VL

10 - 2T5VM9VIC5: M62364FPT6V +6REG+5REGM9VIC1: TA78L05FIC4: TA78L06FV9VQ1: 2SK508D5: 1SV305D1: 1SV305D2: 1SV305D3: 1SV305D4: 1SV305Q6: 2SC3661D4: MA2S

11 - 1DISPLAYRX UNITCHASSIS UNITRVCOUNITTX UNITUNITTVCOPA UNITFRONT UNITJACK1 UNITVR UNITREG UNITLOGIC UNITJACK2 UNITMICEto SP MICto LINEM PTTSPRCLONE

12 - 1NOTE :Voltage lineRX line 13 25 12 24 11 23 10 22 9 21 8 20 7 19 6 18 5 17 4 16 3 15 2 14 1J1L22 BLM21PG221SN1L20 BLM21PG221SN10L18 BLM

12 - 2NOTE :Voltage lineRX lineC410.001L330.39µHC18256pC390.001L9458DB-1011C400.001R15100R17100R187100C350.001C340.001R14100G16D15D24S2 3S1 2G2 1IC

12 - 3NOTE :Voltage lineTX lineMODCR95100TX OUTV9VV9V V9VGNDGNDMODR118R218R318C40.001C770.001R53.9kC20.001R410kC108pC150.001C160.001L2LQW2BHNR10J01LR6

12 - 4NOTE :Voltage lineTX linePA UNITR631.5k[FR3000]1k [FR3100]R581.5kD16HSU88TRFC1120.1[FR3000]C570.1C110.001C831pC1134pD13HSU88TRFL15BLM31PG121SN1C

NOTE :Voltage lineTX lineRX lineLOGIC UNITQ52 2SC2712Q51 2SD1760C3030.11 2 3114R3222kR3423.9kR34010A5VCP2R313100kR404.7kC70.1C80.1C90.1C110.1C100.18

12- 6Voltage lineTX lineRX lineLOGIC UNITto RX UNIT J2to TX UNIT J3L4 BLM31PG121SN1123456J5L9VVCC2L1 BLM31PG121SN1L2 BLM31PG121SN1L3 BLM31PG121SN1C249

12 - 71234J17C360.001C40.001R1722R347kR6622kM SWC150.001S1RXE160R1622D7FCH30A03LC3422R4210R27680R3710C510.01C72200F3ATC-20F1 F2C62200C50.0011234EP3123

2 - 3• TX UNITTop view*: Located under side of this point. • RX UNITTop view*: Located under side of this point. PLL reference oscillator 12.8 MHz(X1:

Asia Icom Inc.6F No.68, Sec. 1 Cheng-Teh Road, Taipei, Taiwan, R.O.C.Phone : +886 (02) 2559 1899 Fax : +886 (02) 2559 1874URL : http://www.asia-icom.c

1-1-32, Kamiminami, Hirano-ku, Osaka, 547-0003, JapanS-14004MZ-C1-1© 2003 Icom Inc.

SECTION 3 CIRCUIT DESCRIPTION3 - 13-1 RECEIVER CIRCUITS3-1-1 RF CIRCUIT (RXUNIT)Received signals from the RX antenna connector enter theRX unit J1 and

3 - 23-1-6 RECEIVER MUTE CIRCUITS (LOGIC UNIT)• NOISE SQUELCHThe noise squelch circuit cuts out AF signals when no RFsignals are received. By detectin