Icom IC-F50 Service Manual Addendum
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Icom IC-F50 Service Manual Addendum

Icom IC-F50 Service Manual Addendum

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Download this manual See also: Service Manual, Insrtuction Manual
Feb. 2008
SERVICE MANUAL
ADDENDUM
CONTENTS
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
VOLTAGE DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . 8

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  • Page 1 Feb. 2008 SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST ....... . 1 BOARD LAYOUTS .
  • Page 2 Feb. 2008 PARTS LIST [FRONT UNIT] [FRONT UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION IC401 1140010191 S.IC HD64F2268TF20V 22.9/28 R478 7030005070 S.RES ERJ2GEJ 683 X (68 k) 23.9/44.8 IC403 1110005340 S.IC NJM12902V-TE1 19.2/43.2 R479 7030005070 S.RES ERJ2GEJ 683 X (68 k) 18.6/47.9 IC405 1110001811 S.IC...
  • Page 3 Feb. 2008 [FRONT UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C483 4030017460 S.CER ECJ0EB1E102K 38.1/43.4 1110003201 S.IC TA31136FNG (EL) 13.6/9.1 C484 4030017460 S.CER ECJ0EB1E102K 14.7/55.2 1110002751 S.IC TA75S01F (TE85R,F) 52.3/18.1 C485 4030017460 S.CER ECJ0EB1E102K 7.3/58 1140005991 S.IC MB15A02PFV1-G-BND-ERE1 28.7/24.1 C486 4030017460 S.CER ECJ0EB1E102K...
  • Page 4 Feb. 2008 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 6200007170 S.COL MLF1608A 3R3K-T 41/21.9 R103 7030005170 S.RES ERJ2GEJ 474 X (470 k) 29.1/23.8 6200007170 S.COL MLF1608A 3R3K-T 40.4/25.1 R104 7030005110 S.RES ERJ2GEJ 224 X (220 k) 26.1/14.6 6200007001 S.COL ELJRE 82NGFA 58.8/4.8 R105...
  • Page 5 Feb. 2008 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017560 S.CER ECJ0EC1H2R5B 48.7/6.4 C145 4030017730 S.CER ECJ0EB1E471K 36.4/20.3 4030016930 S.CER ECJ0EB1A104K 49.1/10.5 C146 4550000530 S.TAN TEESVA 1V 104M8R 40.8/15.7 4030016930 S.CER ECJ0EB1A104K 51/8.2 C147 4550006390 S.TAN TEESVA 1C 335M8R 42.9/15.7 4030017460 S.CER ECJ0EB1E102K 46.4/5.1...

  • Page 6: Connect Unit

    Feb. 2008 [MAIN UNIT] ORDER DESCRIPTION LOCATION C273 4030016930 S.CER ECJ0EB1A104K [USA-88], [USA-98] only 16.2/37.1 C274 4030016930 S.CER ECJ0EB1A104K [Scrambler] only 17.6/26.7 C275 4030017490 S.CER C1608 JB 1A 105K-T [Scrambler] only 6.9/41.6 C276 4030017490 S.CER C1608 JB 1A 105K-T [Scrambler] only 11.1/41.6 C277 4030017490 S.CER C1608 JB 1A 105K-T...
  • Page 7 Feb. 2008 BOARD LAYOUTS – • MAIN UNIT • FRONT UNIT (TOP VIEW) (TOP VIEW) • VR UNIT (TOP VIEW) R601 J402 R435 to the VR unit W601 J402 R436 C436 R514 C429 C450 R479 R480 C449 J403 C427 C447 Q401 R478 C448...
  • Page 8 Feb. 2008 • MAIN UNIT (BOTTOM VIEW) • FRONT UNIT (BOTTOM VIEW) • VR UNIT (BOTTOM VIEW) B6034B Q405 Q404 W601 C426 R445 C484 R443 to the FRONT UNIT J402 MP450 C433 R457 • CONNECT UNIT (BOTTOM VIEW) OPTV C704 D705 DS402 DS403...
  • Page 9 Feb. 2008 VOLTAGE DIAGRAM R420 R421 R422 R423 CPU5 100K 100K 100K MMZ1608Y102BT x3 C408 C409 C410 C411 AF O EP701 EP702 OPT V MICE EP703 MP701 R701 R488 100K RESET FRONT UNIT R489 R490 AVR-M1005C080M AVR-M1005C080M AVR-M1005C080M T AVR-M1005C080M T EP704 To LCD MMZ1608Y102BT...
  • Page 10 Aug. 2007 SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST ....... . 1 BOARD LAYOUTS .
  • Page 11 PARTS LIST [FRONT UNIT] [FRONT UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION IC401 1140010191 S.IC HD64F2268TF20V 22.9/28 R478 7030005070 S.RES ERJ2GEJ 683 X (68 k) 23.9/44.8 IC403 1110005340 S.IC NJM12902V-TE1 19.2/43.2 R479 7030005070 S.RES ERJ2GEJ 683 X (68 k) 18.6/47.9 IC405 1110001811 S.IC TA7368FG (5,ER)
  • Page 12 [FRONT UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C483 4030017460 S.CER ECJ0EB1E102K 38.1/43.4 1110003201 S.IC TA31136FNG (EL) 13.6/9.1 C484 4030017460 S.CER ECJ0EB1E102K 14.7/55.2 1110002751 S.IC TA75S01F (TE85R,F) 52.3/18.1 C485 4030017460 S.CER ECJ0EB1E102K 7.3/58 1140005991 S.IC MB15A02PFV1-G-BND-ERE1 28.7/24.1 C486 4030017460 S.CER ECJ0EB1E102K 10.1/56.5 1110005340 S.IC...
  • Page 13 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 6200007170 S.COL MLF1608A 3R3K-T 41/21.9 R103 7030005170 S.RES ERJ2GEJ 474 X (470 k) 29.1/23.8 6200007170 S.COL MLF1608A 3R3K-T 40.4/25.1 R104 7030005110 S.RES ERJ2GEJ 224 X (220 k) 26.1/14.6 6200007001 S.COL ELJRE 82NGFA 58.8/4.8 R105 7030005230 S.RES ERJ2GEJ 334 X (330 k)
  • Page 14 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017560 S.CER ECJ0EC1H2R5B 48.7/6.4 C145 4030017730 S.CER ECJ0EB1E471K 36.4/20.3 4030016930 S.CER ECJ0EB1A104K 49.1/10.5 C146 4550000530 S.TAN TEESVA 1V 104M8R 40.8/15.7 4030016930 S.CER ECJ0EB1A104K 51/8.2 C147 4550006390 S.TAN TEESVA 1C 335M8R 42.9/15.7 4030017460 S.CER ECJ0EB1E102K 46.4/5.1...
  • Page 15 [MAIN UNIT] ORDER DESCRIPTION LOCATION C273 4030016930 S.CER ECJ0EB1A104K [USA-88], [USA-98] only 16.2/37.1 C274 4030016930 S.CER ECJ0EB1A104K [Scrambler] only 17.6/26.7 C275 4030017490 S.CER C1608 JB 1A 105K-T [Scrambler] only 6.9/41.6 C276 4030017490 S.CER C1608 JB 1A 105K-T [Scrambler] only 11.1/41.6 C277 4030017490 S.CER C1608 JB 1A 105K-T [Scrambler] only...
  • Page 16 BOARD LAYOUTS – • MAIN UNIT • FRONT UNIT (TOP VIEW) (TOP VIEW) • VR UNIT (TOP VIEW) R601 R435 J402 to the VR unit W601 J402 R515 R436 C436 R514 C429 C450 R479 R480 C449 C427 C447 Q401 R478 C448 C488 C443...
  • Page 17 • MAIN UNIT (BOTTOM VIEW) • FRONT UNIT (BOTTOM VIEW) • VR UNIT (BOTTOM VIEW) B6034B Q405 Q404 W601 C426 R445 C484 R443 to the FRONT UNIT J402 C433 MC401 R457 • CONNECT UNIT (BOTTOM VIEW) OPTV C704 D705 DS402 C703 DS403 C702...

  • Page 18: Voltage Diagram

    VOLTAGE DIAGRAM R420 R421 R422 R423 CPU5 100K 100K 100K MMZ1608Y102BT x3 C408 C409 C410 C411 AF O EP701 EP702 OPT V MICE EP703 MP701 R701 R488 100K RESET FRONT UNIT R489 100K R490 100K AVR-M1005C080M AVR-M1005C080M AVR-M1005C080M T AVR-M1005C080M T EP704 To LCD MMZ1608Y102BT...
  • Page 19 ACZ1005Y RX VCO 3.9k 1.8K 2SC411 6 R103 EXCCL3225U MMZ1608Y102BT J1(CHASSIS) R102 470K C211 IC16 C127 C126 R104 VCON C302 2SC4226 2SK880 C102 220K NJM12904V 27.2N CR-783 3.3U 3.3U 8.6N 5.8N 0 .001 45.3N 0.001 0 .001 2SC5107 1SV307 C8 6 TX VCO RD01MUS 1 3.9k...
  • Page 20 VHF TRANSCEVER S-1407IZ-C1-e Dec. 2006...
  • Page 21 INTRODUCTION This service manual describes the latest service information for the IC-F50/IC-F51 VHF TRANSCEIVERS at the time of publication. MODEL VERSION SYMBOL TX Hi-POWER IC-F50 U.S.A USA-88 IC-F51 Europe EUR-88 ATEX To upgrade quality, all electrical or mechanical parts and internal circuits are subject to change without notice or obligation.

  • Page 22: Table Of Contents

    TABLE OF CONTENTS SECTION SPECIFICATIONS SECTION INSIDE VIEWS SECTION DISASSEMBLY INSTRUCTIONS SECTION CIRCUIT DESCRIPITON RECEIVER CIRCUITS ............4-1 TRANSMITER CIRCUITS .

  • Page 23: Section 1 Specifications

    SECTION 1 SPECIFICATIONS  GENERAL • Frequency coverage : 136.000–174.000 MHz • Type of emission VERSION WIDE MIDDLE NARROW [USA], [GEN] 11K0F3E (12.5 kHz) 16K0F3E (25.0 kHz) [EUR] 14K0F3E (20.0 kHz) 8K50F3E (12.5 kHz) • Number of conventional channels : 128 ch (Divided into 8 banks) : SMA type (50 Ω) •...

  • Page 24: Section 2 Inside Views

    SECTION 2 INSIDE VIEWS • MAIN UNIT TOP VIEW BOTTOM VIEW +5 Regurator Antenna (IC9: NJM2870) switches S5 Regulator (D2,D5: 1SV307) Q23: 2SB1132 Power amplifier Q24: XP6501 (Q7: RD07MVS1) Q25: DTA144EU TX/RX APC amplifier T5 Regulator switches (IC2: TA75S01F) (Q21: 2SA1577) (D14,D15: MA2S077) VCO circuit R5 Regulator...

  • Page 25: Section 3 Disassembly Instructions

    SECTION 3 DISASSEMBLY INSTRUCTIONS • • REMOVING THE CHASSIS UNIT REMOVING THE FRONT UNIT 1 Unscrew 1 nut A, and remove 1 knob B. 1 Unscrew 4 screws M. 2 Remove 1 washer C, and unscrew 1 screw D. 2 Unsolder 11 points N. 3 Unplug the connector O from J402 on the Front unit.

  • Page 26: Receiver Circuits

    SECTION 4 CIRCUIT DESCRIPTION 4-1 RECEIVER CIRCUITS The RF signals from the bandpass filter are mixed with the 1st LO signals, where come from the RX VCO circuit 4-1-1 ANTENNA SWITCHING CIRCUIT via the attenuator (R26–R28), at the 1st mixer circuit (Q3) (MAIN UNIT) to produce a 46.35 MHz 1st IF signal.

  • Page 27: Transmitter Circuits

    4-1-5 AF AMPLIFIER CIRCUIT • CTCSS AND DTCS The tone squelch circuit detects AF signals and opens the (MAIN AND FRONT UNITS) squelch only when receiving a signal containing a matching The AF amplifier circuit amplifies the demodulated AF subaudible tone (CTCSS or DTCS). When tone squelch is signals to drive a speaker.

  • Page 28: Pll Circuits

    4-2-2 MODULATION CIRCUIT (MAIN UNIT) The power detector circuit (D1) detects the transmit power output level and converts it into DC voltage. The output The modulation circuit modulates the VCO oscillating signal voltage is at a minimum level when the antenna impedance (RF signal) using the microphone audio signals.

  • Page 29: Power Supply Circuits

    4-4-2 FRONT UNIT VOLTAGE LINE 4-3-2 VCO CIRCUIT (MAIN UNIT) The VCO circuit contains a separate RX VCO (Q14, D19, LINE DESCRIPTION D20) and TX VCO (Q13, D16, D17). The oscillated signal Same voltage as VCC line on the MAIN unit is is amplified at the buffer amplifiers (Q10, Q12) and is then applied to the FRONT unit via the J401, pins 1, applied to the T/R switch (D14, D15).

  • Page 30: Other Circuits

    4-6 PORT ALLOCATIONS 4-5 OTHER CIRCUITS 4-6-1 EXPANDER IC (FRONT UNIT; IC410) 4-5-1 COMPOUNDER CIRCUIT (MAIN UNIT) IC-F50/F51 have compounder circuit which can improve Port S/N ratio and become wide dynamic range to suppress Description number name the transmitting signal and to extend receiving signal. The Outputs RX LED control signal.
  • Page 31 4-6-2 MAIN CPU (FRONT unit; IC401) Port Port Description Description number name number name 1–11, SEG23– Input port for the PTT switch detection SEG13, signal. Output segment data to the LCD Low: While the PTT switch is SEG12, display. pushed. 15–25, SEG11–...
  • Page 32 4-6-3 EXPANDER IC (FRONT UNIT; IC410) 4-6-5 EXPANDER IC (MAIN UNIT; IC12) Port Port Description Description number name number name Outputs RX LED control signal. Outputs the R5 regulator (Q22) LEDR Low: Lights ON. control signal. Low: While receiving. Outputs TX LED control signal. LEDT Low: Lights ON.

  • Page 33: Section 5 Adjustment Procedures

    SECTION 5 ADJUSTMENT PROCEDURES 5-1 PREPARATION When adjusting IC-F50/F51, the optional CS-F50 ADJ (Rev. 1.0 or later), *OPC-966 (modified ADJUSTMENT SOFTWARE JIG CABLE OPC-966 ) are required. CLONING CABLE  REQUIRED TEST EQUIPMENT EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE Output voltage : 7.2 V DC...
  • Page 34 • PC SCREEN EXAMPLE CS-F50 ADJ Rev.1.0 File Option COM 1: OPEN Connect Reload (F5) Disp para [A / D] [D / A] : 203 : CBh : 7.96 V BPF T1 : 108 : 6Ch : 2.12 V TEMPS : 190 : BEh : 32.23 'C T2/POW : 103 : 67h : 2.02 V LVIN...
  • Page 35 SSG is connected to 0.1–10 W/50 Ω the antenna connector Frequency counter Personal computer to an RS-232C port AC millivoltmeter IC-F50/F51 Audio generator DB9 female plug (incl. level converter circuit) SINAD meter *OPC-966 RS-232C cable (straight) (JIG CABLE) Speaker (8 Ω) •...
  • Page 36 5-2 SOFTWARE ADJUSTMENTS (TRANSMITTING) Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard. MEASUREMENT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION PLL LOCK 1 • Operating CH : CH1 Soft Check the “RX LV”...

  • Page 37: Software Adjustments

    SOFTWARE ADJUSTMENTS (RECEIVING) • Select an operation using [↑] / [↓] keys, then set specified value using [←] / [→] keys on the connected computer keyboard. • Need to adjust “S-METER ADJUSTMENT” after “RX SENSITIVITY ADJUSTMENT” is adjusted. Otherwise, “S-METER ADJUSTMENT” will not be adjusted properly. MEASUREMENT ADJUSTMENT ADJUSTMENT CONDITION...

  • Page 38: Section 6 Parts List

    SECTION 6 PARTS LIST [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 6200008490 S.COL 0.30-0.9-3TR 7.5N 67.4/13.4 1110003200 S.IC TA31136FN (EL) 13.6/9.1 6200008280 S.COL 0.30-1.7-7TL 50N 57.3/5.8 1110002750 S.IC TA75S01F (TE85R) 52.3/18.1 6200010400 S.COL ELJRE 39NJ-F 56.5/7.9 1140005990 S.IC MB15A02PFV1-G-BND-ER 28.7/24.1 6200008090 S.COL LQW2BHN68NJ01L...
  • Page 39 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 7030005590 S.RES ERJ2GEJ 680 X (68 Ω) R168 7030010080 S.RES ERJ2RHD 104 X (100 kΩ) 76.1/23.5 56.5/28.5 R169 7030005090 S.RES ERJ2GEJ 104 X (100 kΩ) 47.7/40.7 7030005060 S.RES ERJ2GEJ 333 X (33 kΩ) 54.6/27.5 R170 7030005170 S.RES ERJ2GEJ 474 X (470 kΩ)
  • Page 40 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 4030017430 S.CER ECJ0EC1H101J 11.6/12.9 C171 4030018560 S.CER C2012 JB 1A 475K-T 25.7/4.5 4030017430 S.CER ECJ0EC1H101J 10.6/14.7 C172 4030017460 S.CER ECJ0EB1E102K 27.6/4.3 4030016930 S.CER ECJ0EB1A104K 9.3/11 C180 4030016930 S.CER ECJ0EB1A104K 29.3/4 4030017460 S.CER ECJ0EB1E102K 52.6/15.1 C182...

  • Page 41: Front Unit

    [FRONT UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION R403 7030005120 S.RES ERJ2GEJ 102 X (1 kΩ) 16/18.4 C287 4030016930 S.CER ECJ0EB1A104K 24.7/30.8 R404 7030005120 S.RES ERJ2GEJ 102 X (1 kΩ) 19/19.6 C288 4030016930 S.CER ECJ0EB1A104K R405 7030007340 S.RES ERJ2GEJ 153 X (15 kΩ) 6/36.6 Except [USA-02], [EUR-02], [GEN-02] B 20.3/31.3...

  • Page 42: Vr Unit

    [FRONT UNIT] [FRONT UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C402 4030017460 S.CER ECJ0EB1E102K 13.6/19.4 DS406 5040002670 S.LED CL-165HR/YG 45.3/50.2 C403 4030017460 S.CER ECJ0EB1E102K 18/19.6 C404 4030017460 S.CER ECJ0EB1E102K 9.3/41.3 MC401 7700002480 MIC SKB-2746 LPC C405 4030017760 S.CER ECJ0EB1H222K 7.8/36.6 C406 4030018110 S.CER ECJ0EB1H272K 6/38.6...

  • Page 43: Mechanical Parts And Disassembly

    SECTION 7 MECHANICAL PARTS AND DISASSEMBLY 7-1 CABINET PARTS [MAIN UNIT] [ACCESSORIES] REF. NO. ORDER NO. DESCRIPTION QTY. REF. NO. ORDER NO. DESCRIPTION QTY. 8510015670 2681 shield plate 0800006730 Battery BP-227 3310003020 Antenna FA-S59V ACC [CHASSIS PARTS] 8930061480 Clip MB-98 ACC 8210017071 2337 C-PANEL-1 REF.
  • Page 44 CONNECTOR UNIT Unit:mm (inch) NOTE1 MP419 ( F ) R601 ( V ) FRONT UNIT NOTE2 NOTE1 MP9 ( C ) MP6 ( C ) MP424 ( F ) NOTE3 MP8 ( C ) NOTE2 MP407 ( F ) J1 ( C ) NOTE3 MP421 ( F ) NOTE3...
  • Page 45 SECTION 8 SEMICONDUCTOR INFORMATION • TRANSISTOR AND FET’S 2SA1577 Q 2SB1132 Q 2SC4116 BL 2SC4116 Y 2SC4215 O (Symbol: HP) (Symbol: BAQ) (Symbol: LL) (Symbol: LY) (Symbol: QO) 2SC4226 R25 2SC5107 O 2SC5110 O 2SK880 Y 2SK1829 (Symbol: R25) (Symbol: MFO) (Symbol: MGO) (Symbol: XY) (Symbol: K1)

  • Page 46: Main Unit

    SECTION 9 BOARD LAYOUTS 9-1 MAIN UNIT • V100 TOP VIEW J1 (CHASSIS UNIT) R168 C237 C307 R167 C295 C230 C106 to the FRONT unit J401 C186 R171 R172 C141 C104 R100 C139 C111 R101 R173 C143 R174 C147 C146 C206 C203 PWON...

  • Page 47: Bottom View

    • BOTTOM VIEW V100 C292 R165 C233 C238 C308 C101 C231 R161 C182 C102 R169 C183 C122 C118 C113 C135 C115 C114 C117 C116 C192 C190 C194 C191 C127 C129 C133 C134 C149 R164 C232 C151 C152 R117 C240 C155 C153 R118 C132...
  • Page 48 9-2 FRONT UNIT • TOP VIEW S401 J402 to the VR board W601 R435 J402 R436 C436 J401 R514 C429 C450 R479 to the MAIN unit J1 R480 C449 C427 C447 Q401 R478 C448 C488 C443 C441 IC406 R437 C404 TONE C430 R427...
  • Page 49 • BOTTOM VIEW Q405 Q404 C426 R445 C484 R443 C433 MC401 R457 DS402 DS403 9 - 4...

  • Page 50: Vr Unit / Connector Unit

    9-3 VR UNIT • TOP VIEW R601 • BOTTOM VIEW B6034B W601 to the FRONT UNIT J402 9 - 5...
  • Page 51 9-4 CONNECTOR UNIT • TOP VIEW MP701 • BOTTOM VIEW B6035C EP703 EP702 EP701 EP704 EP705 9 - 6...
  • Page 52 SECTION 10 BLOCK DIAGRAM 136–174MHz Q17: Q15: XP1214 Q18: 2SC4116 Q16: DTC144EU 2SK880 Q14: 2SC4226 D19,20: HVC376B LVIN RIPPLE MAIN UNIT BUFF D22: HVC375B RX VCO IC16: CR–763 Q12: Q10: D14,D15: D2: 1SV307 NJM12904 15.3 MHz 2SC5107 2SC5110 RD01MUS1 RD07MVS1 RB706F D5: 1SV307 2SC5107...
  • Page 53 SECTION 11 VOLTAGE DIAGRAM 11-1 MAIN UNIT R98 2.2 k 1.8 k 3.9 k 15.3MHz 2SC4116BL VCOM 1.2Vp–p 2SC4226R25 EXCCL3225V C127 C126 47 P 68 nH 33 P 10 k R103 470 k ERJ2GE–JPW 3.3 H 2SK880Y 0.001 C211 R102 (CHASSIS) 47 k C102...
  • Page 54 11-2 FRONT UNIT R488 100 k C408 C409 C410 C411 CPU5 R489 100 k CPU5 R420 R421 R422 R423 R490 100 k 27 k 100 k 100 k 100 k Beat Cancel OFF 19.6618MHz OPTV CPU5 2.7Vp–p SEG23 SENC0 PM6/SEG31 P70/TMRI01/TMCI01 C413 SEG22...
  • Page 55 11-3 VR UNIT / CONNECTOR UNITS VR UNIT R601 TP76N97N-13F-10KA-2497 DUSE AFOUT From / to the J402 SIGNAL on the FRONT UNIT PWON W601 CONNECTOR UNIT EP701 EP702 OPTV EP703 MICE To the FRONT UNIT R701 OPTV OPTV MICE RESET RESET MP701 EP704...
  • Page 56 Phone : +34 (93) 590 26 70 Fax : +34 (93) 589 04 46 Glenwood Centre #150-6165 : http://www.icomspain.com Highway 17 Delta, B.C., V4K 5B8, Canada E-mail : icom@icomspain.com Phone : +1 (604) 952-4266 Fax : +1 (604) 952-0090 : http://www.icomcanada.com E-mail : info@icomcanada.com Unit 9, Sea St., Herne Bay, Kent, CT6 8LD, U.K.
  • Page 57 S-14007IZ-C1-e 1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan © 2003–2006 Icom Inc.

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