Icom IC-R3 Service Manual
  1. Manuals
  2. Brands
  3. Icom Manuals
  4. Receiver
  5. COMMUNICATIONS RECEIVER IC-R3
  6. Service manual
Icom IC-R3 Service Manual

Icom IC-R3 Service Manual

Comunications receiver
Hide thumbs Also See for IC-R3:
Table of Contents

Advertisement

Quick Links

See also: Instruction Manual
SERVICE
MANUAL
COMMUNICATIONS RECEIVER

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the IC-R3 and is the answer not in the manual?

Questions and answers

Related Manuals for Icom IC-R3

Summary of Contents for Icom IC-R3

  • Page 1 SERVICE MANUAL COMMUNICATIONS RECEIVER...
  • Page 2 INTRODUCTION This service manual describes the latest service information for the IC-R3 at the time of publication. 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 16 V.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION SPECIFICATIONS SECTION INSIDE VIEWS SECTION DISASSEMBLY INSTRUCTIONS SECTION CIRCUIT DESCRIPTION 4 - 1 RECEIVER CIRCUITS........... . . 4 - 1 4 - 2 PLL CRICUITS .
  • Page 4 SECTION 1 SPECIFICATIONS GENERAL • Sensitivity* : (except spurious points) Frequency (MHz) • Frequency range : 0.495–2450.095 MHz 0.495 – 1.625 — • Mode : F3, A3, C3F (TV) 2.5 µV 1.625 – 5.0 0.56 µV • No. of memory channel : 450 channels —...
  • Page 5 SECTION 2 INSIDE VIEWS • RF, RF-B, VCO AND FM-TV UNITS RF UNIT RF-B UNIT FM-TV UNIT ([OTH-2] only]) 2nd IF circuit (FI3: FL-319) VCO UNIT • LOGIC UNIT PLL converter circuit (IC15: TA31056F) Power amplifier DC-DC converter (IC3: XC62FP3002MR) IC801: MB3776APFV Q804: 2SK2493 T1: TO-47...

  • Page 6: Section 3 Disassembly Instructions

    SECTION 3 DISASSEMBLY INSTRUCTIONS • • REMOVING THE REAR PANEL REMOVING THE RF UNIT 1 Remove the 1 knob and unscrew 2 nuts . 1 Unscrew 3 screws, A . 2 Unscrew 3 screws, E, and unsolder 8 points, F. 2 Unscrew 1 screw, B .

  • Page 7: Receiver Circuits

    SECTION 4 CIRCUIT DESCRIPTION 4-1 RECEIVER CIRCUITS The signals below 1.9 MHz pass through a low-pass filter (C344–C347, L89, L90) between the band switching diode 4-1-1 RF SWITCHING CIRCUIT (RF UNIT) (D4, D7), and are then applied to the RF amplifier circuit (1) Below 1150 MHz (Q3).
  • Page 8 The 65 MHz–107.995 MHz signals pass through the band (5) 225 MHz–329.995 MHz AND 800 MHz–1149.995 MHz switching diode (D503) and bandpass filter (D501), and are RF signals (225 MHz–329.995 MHz and 800 MHz–1149.995 then amplified at the RF amplifier (Q501). The amplified sig- MHz) from the RF switching circuit pass through the band nals pass through the bandpass filter (D502) and band switching diode (D33).
  • Page 9 4-1-4 1ST IF AND 2ND MIXER CIRCUITS (RF UNIT) • AM MODE The 2nd mixer circuit converts the 1st IF signal to a 2nd IF The 3rd IF signal is output from FM IF IC (IC2, pin 3) and signal. passes through the ceramic bandpass filter (FI2).
  • Page 10 While in WFM mode, AF signals (“WFM” signal) are applied (2) TV MODE to the pre-amplifier (Q31) directly. The amplifed signals at the 2nd IF amplifier (Q857) are applied to the bandpass filter (FI901). The filtered signals The pre-amplified AF signals pass through the AF mute cir- are applied to the TV IF IC (IC901) as audio IF signal and cuit (Q37) and are then applied to the electronic volume con- the video IF signal, separately.

  • Page 11: Pll Circuits

    A portion of the AF signals from the FM IF IC (RF unit; IC2, 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 pin 9) passes through the low-pass filter (LOGIC unit;...

  • Page 12: Fm-Tv Circuit

    An oscillated signal from the 1st VCO passes thorough the An oscillated signal from the 2nd VCO is applied to the buffer amplifiers (IC4, Q25), is applied to the PLL IC (IC3, buffer amplifier (Q853). The amplified signal passes through pin 19) and is prescaled in the PLL IC based on the divided the low-pass filter (C154, C250–C252, L69), and is applied ratio (N-data).
  • Page 13 FM-TV DETECTOR CIRCUITS (FM-TV UNIT) "IFIN" signal from the 1st mixer circuit (RF unit; IC1, pin 6) FMTV5 amp. amp. amp. amp. IC2 (FM-TV DETECTOR IC) VIDEO Loop amp. amp. 10 11 12 13 R15 R16 The detected signal 4 - 7...

  • Page 14: Power Supply Circuits

    4-4 POWER SUPPLY CIRCUITS 4-5 PORT ALLOCATIONS VOLTAGE LINE 4-5-1 EXPANDER IC (RF UNIT; IC5) LINE DESCRIPTION Port Description number name BATV The voltage from the attached battery. Outputs low-pass filter select signal. The same voltage as the BATV line (battery volt- Low : When frequencies 0.5 to 1.9 age).
  • Page 15 4-5-2 CPU (LOGIC UNIT; IC11) Port Port Description Description number name number name Input port for the receiver’s internal Outputs chip select signal for the THERMC temperature detection. EEPROM (LOGIC unit; IC2, pin 1). TRACC Outputs tracking control signal. I/O port for strobe signal from/to the PSTB PLL IC (VCO unit;...

  • Page 16: Section 5 Adjustment Procedures

    Change the value : [DIAL] ‘ ‘ FM-TV FREQUENCY ADJUSTMENT ([OTH-2] ONLY) When adjusting “FM-TV FREQUENCY”, need to remove the FM-TV unit from the IC-R3 as follow. q Unsoldering 3 points A and 3 points B. w Pull up the FM-TV unit.
  • Page 17 CONNECTION CLONE Standard signal Audio generator generator 1/8" (3.5 mm) 3-conductor plug When entering the adjustment mode, input the square wave as below from the audio generator 1.5 V 3 V 10 Hz DC POWER CABLE CONNECTION Power supply 4.5 V / 1 A 5 - 2...

  • Page 18: Pll Adjustment

    5-2 PLL ADJUSTMENT “TV RECEIVING SYSTEM”, “REFERENCE FREQUENCY” AND “DETECTOR OUTPUT VOLTAGE” adjustments must be per- formed at “ADJUSTMENT MODE”. ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST 1ST VCO • Displayed frequency : Connect the digital 14.5 V LOCK 799.995 MHz...
  • Page 19 Detector output voltage check point Detector output voltage adjustment L902 TV mode reference frequency adjustment 1st VCO lock voltage TV mode reference frequency check point check point 1st VCO lock voltage (shift off) 2nd VCO lock voltage adjustment check point 1st VCO lock voltage (shift on) adjustment Converter VCO lock voltage...

  • Page 20: Receiver Adjustments

    5-3 RECEIVER ADJUSTMENTS The following adjustment must be peformed at the “ADJUSTMENT MODE”. The “S-METER” adjustment must be performed after “RECEIVER SENSITIVITY ADJUSTMENT”. ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST RECEIVER • Displayed frequency : LOGIC Connect the digital Maximum voltage [DIAL] SENSITIVITY...
  • Page 21 Receiver sensitivity check point 5 - 6...

  • Page 22: Tft Lcd And Fm-Tv Unit Adjustment

    5-4 TFT LCD AND FM-TV UNIT ADJUSTMENTS ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST LCD LIGHT • Displayed frequency : Front Display The LCD lights ON Verify 2 channel panel • Mode TV mode • Push and hold [FUNC] key, and then push [Y] or [Z] key.
  • Page 23 LOGIC UNIT C935 OSD frequency adjustment Video synchronous check point R902 Video synchronous adjustment R805 DC-DC voltage adjustment DC-DC voltage check point FM-TV UNIT TOP VIEW BOTTOM VIEW Power supply 5 V/1 A J1, pin 2 Standard signal generator FM-TV frequency adjustment FM-TV frequency check point...

  • Page 24: Section 6 Parts List

    SECTION 6 PARTS LIST [RF UNIT] [RF UNIT] ORDER ORDER DESCRIPTION DESCRIPTION 1110004020 S.IC µPC2757T-E3 1790001590 S.DIODE MA6S718 (TX) 1110003200 S.IC TA31136FN (EL) 1790001260 S.DIODE MA2S077-(TX) 1130009670 S.IC BU2092FV-E2 1790001260 S.DIODE MA2S077-(TX) IC10 1110004020 S.IC µPC2757T-E3 1790001260 S.DIODE MA2S077-(TX) IC13 1110004480 S.IC µPC2758T-E3 1790001260 S.DIODE...
  • Page 25 [RF UNIT] [RF UNIT] ORDER ORDER DESCRIPTION DESCRIPTION 6200005650 S.COIL ELJRE 8N2Z-F 7030005090 S.RESISTOR ERJ2GEJ 104 X (100 kΩ) 6200005710 S.COIL ELJRE 27NG-F 7030005240 S.RESISTOR ERJ2GEJ 473 X (47 kΩ) 6200005730 S.COIL ELJRE 39NG-F 7030005120 S.RESISTOR ERJ2GEJ 102 X (1 kΩ) ERJ2GEJ 100 X (10 Ω) 6200005720 S.COIL ELJRE 33NG-F...
  • Page 26 [RF UNIT] [RF UNIT] ORDER ORDER DESCRIPTION DESCRIPTION ERJ2GEJ 471 X (470 Ω) R806 7030005000 S.RESISTOR 4030013850 S.CERAMIC ECUE1E102KBQ ERJ2GEJ 220 X (22 Ω) R807 7030007250 S.RESISTOR 4030013850 S.CERAMIC ECUE1E102KBQ R808 7030005090 S.RESISTOR ERJ2GEJ 104 X (100 kΩ) 4030013850 S.CERAMIC ECUE1E102KBQ R809 7030007290 S.RESISTOR...
  • Page 27 [RF UNIT] [RF UNIT] ORDER ORDER DESCRIPTION DESCRIPTION C105 4030014200 S.CERAMIC ECUE1H101JCQ C330 4030009820 S.CERAMIC C1005 JB 1C 103K-T-A C106 4030014120 S.CERAMIC ECUE1H100CCQ C331 4030011600 S.CERAMIC C1608 JB 1C 104KT-N C107 4030013850 S.CERAMIC ECUE1E102KBQ C332 4030009820 S.CERAMIC C1005 JB 1C 103K-T-A C108 4030014220 S.CERAMIC ECUE1E471KBQ...
  • Page 28 [RF UNIT] [RF-B UNIT] ORDER ORDER DESCRIPTION DESCRIPTION C919 4030017020 S.CERAMIC JMK212BJ475MG-T Q401 1580000730 S.FET 3SK293 (TE85L) C920 4550006200 S.TANTALUM ECST0JY106R Q501 1580000730 S.FET 3SK293 (TE85L) C921 4030013850 S.CERAMIC ECUE1E102KBQ Q601 1580000730 S.FET 3SK293 (TE85L) C922 4550006960 S.TANTALUM TEMSVB2 0G 107M8R Q701 1580000730 S.FET 3SK293 (TE85L)
  • Page 29 [RF-B UNIT] [LOGIC UNIT] ORDER ORDER DESCRIPTION DESCRIPTION R709 7030007290 S.RESISTOR ERJ2GEJ 222 X (2.2 kΩ) 1590001170 S.TRANSISTOR XP1501-(TX) .AB R710 7030007290 S.RESISTOR ERJ2GEJ 222 X (2.2 kΩ) 1510000580 S.TRANSISTOR 2SA1362-GR (TE85R) ERJ2GEJ 220 X (22 Ω) R711 7030007250 S.RESISTOR 1590001440 S.TRANSISTOR UN9214 (TX) 1590002430 S.TRANSISTOR DTA144EE TL 1590001440 S.TRANSISTOR UN9214 (TX)
  • Page 30 [LOGIC UNIT] [LOGIC UNIT] ORDER ORDER DESCRIPTION DESCRIPTION L906 6200009210 S.COIL NL 252018T-390J R153 7030005240 S.RESISTOR ERJ2GEJ 473 X (47 kΩ) L907 6200005010 S.COIL NL 252018T-100J R156 7030005060 S.RESISTOR ERJ2GEJ 333 X (33 kΩ) R157 7030005310 S.RESISTOR ERJ2GEJ 124 X (120 kΩ) R159 7030005060 S.RESISTOR ERJ2GEJ 333 X (33 kΩ)
  • Page 31 [LOGIC UNIT] [LOGIC UNIT] ORDER ORDER DESCRIPTION DESCRIPTION R966 7030008270 S.RESISTOR RR0510R-104-D (100 kΩ) C114 4030009820 S.CERAMIC C1005 JB 1C 103K-T-A R967 7030005090 S.RESISTOR ERJ2GEJ 104 X (100 kΩ) C116 4030011600 S.CERAMIC C1608 JB 1C 104KT-N R968 7030007340 S.RESISTOR ERJ2GEJ 153 X (15 kΩ) C117 4030011600 S.CERAMIC C1608 JB 1C 104KT-N...
  • Page 32 [LOGIC UNIT] [VCO UNIT] ORDER ORDER DESCRIPTION DESCRIPTION J801 6510022180 S.CONNECTOR 08-6212-024-340-800 L923 6200005630 S.COIL ELJRE 5N6Z-F L924 6200005640 S.COIL ELJRE 6N8Z-F L925 6200005640 S.COIL ELJRE 6N8Z-F 5030001830 LCD A0080 5040002230 S.LED CL-200YG-C-TS ERJ2GEJ 101 X (100 Ω) 5040002230 S.LED CL-200YG-C-TS 7030004980 S.RESISTOR 5030001780 LCD...
  • Page 33 [VCO UNIT] [FM-TV UNIT] [OTH-2] only ORDER ORDER DESCRIPTION DESCRIPTION C131 4550003220 S.TANTALUM TEMSVA 1E 105M-8L 1110003310 S.IC µPC1688G-T1 C132 4030011600 S.CERAMIC C1608 JB 1C 104KT-N 1190001370 S.IC AN8945SBS-E1 C133 4030011810 S.CERAMIC C1608 JB 1A 224K-T-N IC21 1190001190 S.IC µPC1663GV-E1 C134 4030011810 S.CERAMIC C1608 JB 1A 224K-T-N...
  • Page 34 [FM-TV UNIT] [OTH-2] only ORDER DESCRIPTION 4030013850 S.CERAMIC ECUE1E102KBQ 4030013850 S.CERAMIC ECUE1E102KBQ 4030013850 S.CERAMIC ECUE1E102KBQ 4030014200 S.CERAMIC ECUE1H101JCQ 4030013850 S.CERAMIC ECUE1E102KBQ 4030013970 S.CERAMIC C1005 JB 0J 104K-T-N 4030013970 S.CERAMIC C1005 JB 0J 104K-T-N 4030013970 S.CERAMIC C1005 JB 0J 104K-T-N 4030013970 S.CERAMIC C1005 JB 0J 104K-T-N 4030014020 S.CERAMIC ECUE1H020BCQ...
  • Page 35 SECTION 7 MECHANICAL PARTS AND DISASSEMBLY [CHASSIS PARTS] [RF PARTS] REF. NO. ODER NO. DESCRIPTION QTY. REF. NO. ODER NO. DESCRIPTION QTY. 6510022400 Connector BNC-R157 8510013120 2304 B-RF Shield 8930052780 Insulating plate 2510000960 Speaker K036NA500-26A27 8510013131 2304 A-RF shield-1 8210016440 2304 front panel [VCO PARTS] 8210016450 2304 rear panel 8810007010 2304 BATT.
  • Page 36 MP7 (L) MP7 (L) MP16 (L) MP13 (L) MP15 (L) MP11 (L) MP12 (L) MP7 (L) MP1 (L) MP7 (L) MP8 (L) MP21 (L) MP20 (C) MP10 (L) DS5 (L) DS4 (L) MP6 (L) MP6 (C) MP17 (L) MP4 (L) MP22 (C) MP14 (L) MP24 (C)

  • Page 37: Section 8 Semi-Conductor Information

    SECTION 8 SEMI-CONDUCTOR INFORMATION • • TRANSISTOR AND FET’S DIODES 2SA1362 GR 2SA1576 S 2SA1588 GR 2SB1132 R 2SB1184 Q 1SS372 1SV252 1SV286 1SV288 1SV305 (Symbol: AEG) (Symbol: FS) (Symbol: SG) (Symbol: BARB) (Symbol: B1184) (Symbol: N9) (Symbol: BE) (Symbol: T7) (Symbol: TJ) (Symbol: TV) pink...

  • Page 38: Section 9 Board Layouts

    SECTION 9 BOARD LAYOUTS 9-1 VCO AND RF-B UNITS 9-1-1 TOP VIEW • VCO UNIT R188 R122 R160 C164 C255 R104 C957 C180 C971 C253 C183 C157 R947 C254 R921 R944 R162 R946 D202 C249 C165 Q853 R941 C965 R125 C250 C154 R945...

  • Page 39: Bottom View

    9-1-2 BOTTOM VIEW • VCO UNIT C132 C135 R971 L921 C973 C125 C975 L922 EP101 C977 R970 C979 EP100 C981 C982 C130 R972 R195 Q864 C131 C258 C122 L925 C123 C121 R196 R952 R128 C237 J1 to RF unit J2 to RF unit •...

  • Page 40: Fm-Tv Unit

    9-2 FM-TV UNIT • TOP VIEW IC22 SIFOUT IFIN B5415D 9 - 3...
  • Page 41 • BOTTOM VIEW TRAC FMTV5 AFIM to RF unit IC21 SIFOUT IFIN 9 - 4...

  • Page 42: Logic Unit

    9-3 LOGIC UNIT • TOP VIEW To speaker INTSP Q820 R128 R822 R165 R150 R820 C939 L907 R821 D820 C935 R166 R133 C938 R967 J801 Q902 R968 R941 CKV1 CKV2 Q904 R943 C941 C951 R942 XSTV R938 XENB L903 C821 IC903 PCG2 PCG1...
  • Page 43 • BOTTOM VIEW to RF unit J1 R136 C107 R116 R119 R120 R121 R122 R100 R129 R132 R123 R139 C945 IC15 R109 R963 R125 R962 R961 C932 C934 C931 C805 C263 C106 C114 Q801 C808 C261 R970 R969 C807 C809 C927 C251 R103...

  • Page 44: Rf Unit

    9-4 RF UNIT • TOP VIEW to LOGIC unit J1 to FM-TV unit R934 R933 C937 R910 C114 FI905 AFIN FMTV5 R875 TRAC C175 C373 to FM-TV unit J1 Q872 Q867 C104 C273 RSET C274 SHIFT Q869 R104 1stLO FI902 R103 C174 C984...
  • Page 45 • BOTTOM VIEW D201 C201 R200 C922 R202 R936 R932 C200 R203 R935 D122 R205 D914 R973 Q856 R204 Q203 D121 C990 R972 R969 L122 Q204 R931 R122 C202 C124 R928 L121 C918 L907 C992 C903 Q121 R903 C108 C962 R927 C117 C904...

  • Page 46: Parts List

    SECTION 10 BC-135 OPTIONAL DESKTOP CHARGER INFORMATION [CHASSIS PARTS] 10-1 PARTS LIST 10-2 DISASSEMBLY INFORMATION REF. NO. ODER NO. DESCRIPTION QTY. [TANSHI BOARD] [MAIN UNIT] 8930051000 2308 Holder ODER ODER DESCRIPTION DESCRIPTION 8110005800 1796 Cover MP3 (C) 8810009990 Screw BT M3 x 8 ZK 1710000050 DIODE 1SS53 4030006860 S.CERAMIC...
  • Page 47 10-3 VOLTAGE DIAGRAM MAIN BOARD S-N5051 FGB 2A S-N5051 5.4 V 5.2 V 2SB1184Q 2SJ377 SB20-3P 0.001U 0.22 0.15 0.22 SB20-03P 0.001 HK-08S050-2010 0.001 0.001 DTA114EE SB20-03P 0.22 DTA114EE 0.001 0.001 MA2S111 NJM2360M VRPG3349S-734 470 P 0.001 120 k INVIN 10 k 150 k 0.15...
  • Page 48 10-4 BOARD LAYOUTS 10-4-1 MAIN BOARD CHGOUT DET2 BATT— DET1 BATT+ CONT FUSE 2A 10 - 3...
  • Page 49 10-4-2 TANSHI BOARD CONT BATT+ DET1 BATT– DET2 CHGOUT 10 - 4...
  • Page 50 SECTION 11 BLOCK DIAGRAM 1st VCO IC14: IC13: Q864: Q863: Q862: D62: 1SV286 PC2749TB PC2758T 2SC5195 2SC5195 2SC5195 D913: 1SV305 Q22: 2SC5006 Q861: 2SC5006 IC4: PC2746T Q23: 2SC5006 CONLO BUFF SHIFT BUFF SHIFT D909: 1SV308 Q25: 2SC5231 C8 Q21: DTC144EE D1: 1SV252 D912: D61: MA2S077...

  • Page 51: Voltage Diagram

    SECTION 12 VOLTAGE DIAGRAM 12-1 VCO UNIT 2.6 V C165 R125 R124 C166 C162 R129 1.5 P 8.2 k 0.001 ACB1608M-600 17 nH 14 nH C156 C180 C182 0.001 C158 0.001 1SV286 0.001 0.001 2.4 V C178 0.001 R126 C160 R127 R160 R104...

  • Page 52: Rf-B Unit

    12-2 RF-B UNIT R404 220 k 2.4 V 3.0 V 1.9 V L404 Q401 C408 C411 D404 D403 C409 0.56 H C401 L402 C403 0.01 0.01 MA2S077 3SK293 MA2S077 L403 0.01 0.01 0.56 H 0.01 0.6 V L401 C402 R410 0.56 H 0.01 D402...

  • Page 53: Fm-Tv Unit

    12-3 FM-TV UNIT 6.8 k 0.001 6.8 k 27 P 10 k 10 k 0.001 2.2 k 100 P LFSC25N12B0426B 0.001 0.001 2.7 k 0.001 PC1688 MA376 MA376 0.1 H MA2S077 0.001 3.3 nH 3.0 V 4.4 V 100 k 2SC4081 S 10 k 2.4 V...

  • Page 54: Logic Unit

    12-4 LOGIC UNIT A0080 COM0 R256 COM0 COM1 4.7 k COM1 COM2 2SC4081 S R960 COM2 R961 18.8 V COM3 10 k COM3 8.2 k SEG0 SEG0 SEG1 R977 SEG1 MA729 SEG2 SEG2 R974 47 k D903 SEG3 R963 SEG3 4.7 k MA2S111 IC10...
  • Page 55 R256 4.7 k 2SC4081 S 18.8 V 18.5 V 4.5V C107 RSSI 4.5V 1SS372 1SS372 1SS372 1SS372 47 k L903 R906 FMAF C901 D901 DUTY 10 H C907 TVIF5 1SV288 220 P L901 10 H L902 0.047 CONVC 10 H C902 R904 SDET...
  • Page 56 12-4 LOGIC UNIT A0080 COM0 COM0 R256 COM1 COM1 4.7 k COM2 2SC4081 S COM2 R961 R960 18.8 V 18.5 V COM3 8.2 k 10 k COM3 SEG0 SEG0 SEG1 R977 SEG1 MA729 SEG2 SEG2 R974 47 k D903 SEG3 R963 SEG3 R962...

  • Page 57: Rf Unit

    12-5 RF UNIT 1.0 V 2.3 V 1SV308 56 H R1 330 Q866 XP1114 OFF: 0.1 V 174M 174MC 1SV308 0.001 1: 1.9 V 0.001 C982 2: 2.0 V 0.001 3: 2.2 V Q872 3.3 nH 0.001 108M 108MC 4: 2.4 V 1SV308 2SK880 0.001...
  • Page 58 CONV CONV VIDEO FSET VIDEO VIDEO SHIFT SHIFT SHIFT 1stLO 1stLO C244 0.001 R169 15 PSTV PSTV PSTV TVIF5 2ndLO 2ndLO CONLO CONLO DBLOFF 2ndLO FMTV5 FMTV5 CONV C916 Q852 Q202 2SA1588 R204 Q204 C203 R128 DBL Through: 1.5 V 0.001 DTA144EE 47 k...
  • Page 59 12-5 RF UNIT 1.0 V 2.3 V CONV CONV 1SV308 56 H R1 330 Q866 XP1114 OFF: 0.1 V 174M 174MC 1SV308 0.001 1: 1.9 V VIDEO FSET 0.001 C982 VIDEO VIDEO 2: 2.0 V 3.3 nH 3: 2.2 V 0.001 Q872 SHIFT...
  • Page 60 Fax : ( 604 ) 952-0090 Icom (UK) Ltd. : http://www.icomcanada.com Unit 9, Sea St., Herne Bay, Kent, CT6 8LD, U.K. Icom (Australia) Pty. Ltd. Phone : 01227 741741 Fax : 01227 741742 A.B.N. 88 006 092 575 : http://www.icomuk.co.uk 290-294 Albert Street, Brunswick, Victoria, 3056, Australia Icom France S.a...
  • Page 61 S-13703IZ-CD-1 1-1-32, Kamiminami, Hirano-ku, Osaka, 547-0003, Japan © 2000 Icom Inc.

Table of Contents