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Icom IC-92AD Service Manual
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Icom IC-92AD Service Manual

Icom IC-92AD Service Manual

Vhf/uhf digital transceiver
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VHF/UHF DIGITAL TRANSCEIVER
S-14415XZ-C1
Jan. 2008

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Summary of Contents for Icom IC-92AD

  • Page 1 VHF/UHF DIGITAL TRANSCEIVER S-14415XZ-C1 Jan. 2008...
  • Page 2 8. READ the instructions of test equipment throughly before connecting a test equipment to the transceiver. Icom, Icom Inc. and logo are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.
  • Page 3 CONTENTS SECTION SPECIFICATIONS SECTION INSIDE VIEWS SECTION DISASSEMBLY INSTRUCTION SECTION CIRCUIT DESCRIPITON RECEIVER CIRCUITS............4-1 TRANSMITTER CIRCUITS .
  • Page 4 0.32 µV typ. • Power supply : 10.0–16.0 V DC for external DC power, 350.000–469.995 MHz 0.16 µV typ. or specifi ed Icom’s battery pack 470.000–599.995 MHz 0.32 µV typ. 600.000–999.990 MHz 0.56 µV typ. • Digital transmission speed : 4.8 kbps (1 kHz/52.5 kHz Dev.;...
  • Page 5 SECTION 2 INSIDE VIEWS (IC1: HD64F2239) • LOGIC UNIT CPU CLOCK ANALOG SWITCH (X1: CR-864) (IC50: CD4066) AF PWR AMP RS-232 DRIVER (IC400: NJM2070) (IC52: MAX3221) EEPROM (IC51: 24LC512) CPU3V REGULATOR (IC100: R1150H022) DATA I/O INVERTER (IC33: TC7W04FU) AF SWITCH SHIFT REGISTER (IC301: TC7W53) (IC53: CD4094)
  • Page 6 • MAIN UNIT (TOP VIEW) (BOTTOM VIEW) 2ND IF FILTER (A BAND) (FI100: LTWC450E1) (B-BAND) IF IC (A BAND) DISCRIMINATOR (IC100: TA31136FNG) (X100: JTBM450) TONE FILTER AF FILTER (IC150: LM2904) (IC502: NJM2904) (B BAND) AF FILTER DISCRIMINATOR (IC501: NJM2904) (X200: JTBM450) TONE SELECTOR (B BAND) (IC703: CD4066)
  • Page 7 SECTION 3 DISASSEMBLY INSTRUCTION 1. Removing the front panel 2. Removing the FRONT UNIT q Unscrew 6 screws from the CHASSIS. q Unscrew 8 screws from the FRONT UNIT. w Disconnect the flat cable between MAIN UNIT and w Unsolder 2 points to remove the speaker leads, then FRONT assembly, and remove the FRONT assembly from remove the FRONT UNIT from the front panel.
  • Page 8 4. Removing MAIN UNIT 5. Removing RF UNIT q Unscrew 3 screws from the MAIN UNIT. q Unsolder 4 points at the contact pins. w Unsolder 6 points at the control dial, and remove the w Unsolder 1 point at the bottom of ANT connector. MAIN UNIT.
  • Page 9 SECTION 4 CIRCUIT DESCRIPTION • 118–173.995 MHz 4-1 RECEIVER CIRCUITS The RX signals are passed through two LPFs, ANT SW, RF CIRCUITS (RF UNIT) ATT and band SW, then applied to the RF AMP (Q400). The RX signals from the antenna are sorted by its frequency by amplified RX signals are passed through the tuned BPF, the filters and gone through RF circuits for each bands.
  • Page 10 • 600–999.990 MHz <B BAND> The RX signals are passed through the HPF, band SW, ATT • 118–173.995 MHz and tuned BPF in sequence, then applied to the RF AMP The RX signals for B BAND are passed through 2 LPFs, (Q700).
  • Page 11 2ND IF AND DEMODULATOR CIRCUITS <B BAND> The 1st IF signal from the 1st IF AMP (Q200) is applied to (MAIN UNIT) the IF IC (IC200). The applied 1st IF signal is mixed with <A BAND> 45.9 MHz 2nd LO signal (generated by X450, tripled by The 1st IF signal from the 1st IF AMP (Q100) is applied to Q451) at the internal 2nd mixer, to be converted into the the IF IC (IC100).
  • Page 12 RX AF CIRCUITS (LOGIC UNIT) SQUELCH CIRCUIT <A BAND> The squelch circuit cuts off the AF output signals when The AF signals from the FM/AM demodulator circuits are no RF signals are received. Detecting noise components passed through the mode SW (M: IC500D) and one of the (approx.
  • Page 13 • DV MODE 4-2 TRANSMIT CIRCUITS The MIC signals from the microphone (MC300) are passed TX AF CIRCUITS (LOGIC UNIT) through the MIC gain SW (Q303) and applied to the MIC • FM MODE AMP (Q302, 304). The amplified MIC signals are applied MIC signals from the internal/external microphone (MIC to the ALC AMP (IC300) which automatically adjusts the signals) are passed through the MIC gain SW (Q303),...
  • Page 14 APC CIRCUIT (RF UNIT) The output voltage is applied to the ATT (D158, 159) to con- The APC (Automatic Power Control) circuit stabilizes trol the attenuation level, to adjust the input level of the YGR transmit output power to prevent transmit output power level AMP (Q102) so that the TX output power is stable.
  • Page 15 4-4 CPU PORT ALLOCATION LINE DESCRIPTION IN/OUT STATUS CONDITION NAME POWER [POWER] key input. (Pull-up). – PKEY [PWR] key input (Pull-up). The key is pushed DICK [DIAL] input(Phase A). – – DIUD [DIAL] input(Phase B). – – [PTT] key input (Pull-down). The key is pushed [SQL] key input (Pull-up).
  • Page 16 4-4 CPU PORT ALLOCATION (continued) LINE DESCRIPTION IN/OUT STATUS CONDITION NAME DASTB1 Strobe signal to the DAC (R: IC950). – – DASTB2 Strobe signal to the DAC (M: IC600). – – IOSTB1 Strobe signal to the expander (R: IC951). – –...
  • Page 17 SECTION 5 ADJUSTMENT PROCEDURE 5-1 PREPARATION ¤ REQUIRED INSTRUMENTS INSTRUMENTS SPECIFICATION INSTRUMENTS SPECIFICATION DC Cable OPC-254L (Optional product) JIG cable (See the illust below) Output voltages : 5.0–13.5 V DC Input impedance : 50 kΩ Power Supply Multimeter Current capacity : More than 3 A Measuring range : 0.1–10V/0.01–5 A...
  • Page 18 M ENTERING ADJUSTMENT MODE q Turn the power OFF. w Connect the JIG cable to the [DATA/SP/MIC] jack. e While pushing [SQL] and [8] keys, turn the power ON. (4 (4 Adjustment item Adjustment value #(/ #(/ Band: Mode [SQL] Adjustment frequency  ...
  • Page 19 5-2 TRANSMIT AMPLIFIER ADJUSTMENT Select an adjustment item using [2] / [8] keys, then set the adjustment value as specifi ed using [DIAL]. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE ITEM IDLING CURRENT 0 • Supply voltage : 5.0 V 1) Connect an RF power meter (@5.0 V) to the antenna connector.
  • Page 20 5-2 TRANSMIT AMPLIFIER ADJUSTMENT (continued) Select an adjustment item using [2] / [8] keys, then set the adjustment value as specifi ed using [DIAL]. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE ITEM IDLING 0 • Supply voltage : 7.4 V 1) Connect an RF power meter CURRENT (@7.4 V) to the antenna connector.
  • Page 21 5-2 TRANSMIT AMPLIFIER ADJUSTMENT (continued) Select an adjustment item using [2] / [8] keys, then set the adjustment value as specifi ed using [DIAL]. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE ITEM TRANSMIT 0 • Supply voltage : 7.4 V 1) Connect an RF power meter POWER (@7.4 V) to the antenna connector.
  • Page 22 5-2 TRANSMIT AMPLIFIER ADJUSTMENT (continued) Select an adjustment item using [2] / [8] keys, then set the adjustment value as specifi ed using [DIAL]. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE ITEM TRANSMIT 0 • Supply voltage : 7.4 V 1) Connect an RF Power Meter POWER (@7.4 V) to the antenna connector.
  • Page 23 5-2 TRANSMIT AMPLIFIER ADJUSTMENT (continued) Select an adjustment item using [2] / [8] keys, then set the adjustment value as specifi ed using [DIAL]. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE ITEM IDLING 0 • Supply voltage : 13.5 V 1) Connect an RF Power Meter CURRENT (@13.5 V) (supplying from [DC IN]) to the antenna connector.
  • Page 24 5-2 TRANSMIT AMPLIFIER ADJUSTMENT (continued) Select an adjustment item using [2] / [8] keys, then set the adjustment value as specifi ed using [DIAL]. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE ITEM TRANSMIT 0 • Supply voltage : 13.5 V • Connect an RF Power Meter POWER (@13.5 V) (supplying from [DC IN]) to the antenna connector.
  • Page 25 5-2 TRANSMIT AMPLIFIER ADJUSTMENT (continued) Select an adjustment item using [2] / [8] keys, then set the adjustment value as specifi ed using [DIAL]. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE ITEM TRANSMIT POWER • Supply voltage : 13.5 V 1) Connect an RF Power Meter (@13.5 V) (supplying from [DC IN]) to the antenna connector.
  • Page 26 5-3 FREQUENCY ADJUSTMENT Select an adjustment item using [2] / [8] keys, then set the adjustment value as specifi ed using [DIAL]. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE ITEM REFERENCE • Displayed freq. : " " 1) C o n n e c t a n R F t o t h e FREQUENCY •...
  • Page 27 5-4 DEVIATION ADJUSTMENTS Select an adjustment item using [2] / [8] keys, then set the adjustment value as specifi ed using [DIAL]. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE ITEM FM DEVIATION 0 • Supply voltage : 7.4 V 1) C o n n e c t a M o d u l a t i o n [PREPARATION] A n a l y ze r t o t h e a n t e n n a c o n n e c t o r t h r o u g h a n...
  • Page 28 5-4 DEVIATION ADJUSTMENTS (continued) Select an adjustment item using [2] / [8] keys, then set the adjustment value as specifi ed using [DIAL]. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE ITEM DIGITAL VOICE 0 • Supply voltage : 7.4 V • Connect a Modulation Analyzer DEVIATION t o t h e a n t e n n a c o n n e c t o r –...
  • Page 29 5-4 DEVIATION ADJUSTMENTS (continued) Select an adjustment item using [2] / [8] keys, then set the adjustment value as specifi ed using [DIAL]. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE ITEM DTMF, European 0 • Supply voltage : 7.4 V • C o n n e c t a M o d u l a t i o n tone, CTCSS, DTCS A n a l y z e r t o t h e a n t e n n a –...
  • Page 30 5-5 RECEIVE ADJUSTMENTS CAUTION: DO NOT transmit while an SSG is connected to STANDARD SIGNAL GENERATOR the antenna connector. (0.1–1000 MHz) JIG cable (See the page 5-1) 7.4 V DC power supply Be sure the polarity. − ⊕ To the battery contact pins –...
  • Page 31 RECEIVE ADJUSTMENT (continued) 1) Select an adjustment item using [2] / [8] keys. 2) Set the SSG as specifi ed (frequency, deviation and output level). 3) Push the [BAND] key to adjust (automatic) and store the adjustment value. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE...
  • Page 32 RECEIVE ADJUSTMENT (continued) 1) Select an adjustment item using [2] / [8] keys. 2) Set the SSG as specifi ed (frequency, deviation and output level). 3) Push the [BAND] key to adjust (automatic) and store the adjustment value. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE...
  • Page 33 RECEIVE ADJUSTMENT (continued) 1) Select an adjustment item using [2] / [8] keys. 2) Set the SSG as specifi ed (frequency, deviation and output level). 3) Push the [BAND] key to adjust (automatic) and store the adjustment value. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE...
  • Page 34 RECEIVE ADJUSTMENT (continued) 1) Select an adjustment item using [2] / [8] keys. 2) Set the SSG as specifi ed (frequency, deviation and output level). 3) Push the [BAND] key to adjust (automatic) and store the adjustment value. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE...
  • Page 35 RECEIVE ADJUSTMENT (continued) 1) Select an adjustment item using [2] / [8] keys. 2) Set the SSG as specifi ed (frequency, deviation and output level). 3) Push the [BAND] key to adjust (automatic) and store the adjustment value. ADJUSTMENT ADJUSTMENT ADJUSTMENT CONDITION OPERATION VALUE...
  • Page 36 SECTION 6 PARTS LIST [LOGIC UNIT] [LOGIC UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 1140014390 S.IC HD64F2239TF16V 16.9/25.4 L100 6190001571 S.COL CDRH5D28NP-101NC 100U 92.8/42.6 1130013010 S.IC SN74AHC1G08DCK3 24.3/32.3 L101 6190001571 S.COL CDRH5D28NP-101NC 100U 93/25.3 IC50 1130011770 S.IC CD4066BPWR 5.4/10.9 L500 6200003640 S.COL MLF1608E 100K-T 12.6/40 IC51...
  • Page 37 [LOGIC UNIT] [LOGIC UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION R321 7030005010 S.RES ERJ2GEJ 681 X (680) 23.3/3 4030016930 S.CER ECJ0EB1A104K 8.7/29.1 R322 7030005040 S.RES ERJ2GEJ 472 X (4.7 k) 20.3/5.4 4030017460 S.CER ECJ0EB1E102K 7.2/26.9 R323 7030010040 S.RES ERJ2GEJ-JPW 40.6/31.6 4030017460 S.CER ECJ0EB1E102K 7.2/24.6 R325...
  • Page 38 [LOGIC UNIT] [LOGIC UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C327 4030017920 S.CER ECJ0EB1A683K 50.9/26.2 J601 6510026410 S.CNR SM10B-SRSS-TB (LF) (SN) 6.8/41.6 C328 4030018860 S.CER ECJ0EB0J105K 50/26.2 C329 4030017710 S.CER ECJ0EC1H181J 50.4/29 C330 4030017460 S.CER ECJ0EB1E102K 55/31.1 5030002880 LCD HLM7972-010100 C331 4550007690 S.TAN TEESVP 1C 105M8R...
  • Page 39 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION IC50 1110005230 S.IC uPC2757TB-E3 34.3/13.3 L453 6200004790 S.COL MLF1608D R47K-T 30.6/22.7 IC100 1110003201 S.IC TA31136FNG (EL) 12.4/39.2 L454 6200004920 S.COL MLF1608A 2R2K-T 50/5.2 IC150 1110006380 S.IC LM2904PWR 15.4/32.2 IC200 1110003201 S.IC TA31136FNG (EL) 23/15.2 IC250...
  • Page 40 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION R304 7030005120 S.RES ERJ2GEJ 102 X (1 k) 35.3/7.8 4030017780 S.CER ECJ0EB1E472K 37.5/44.3 R305 7030005040 S.RES ERJ2GEJ 472 X (4.7 k) 9/8.8 4030016790 S.CER ECJ0EB1C103K 39.2/34.6 R306 7030005050 S.RES ERJ2GEJ 103 X (10 k) 6.9/11.4 4030017510 S.CER ECJ0EC1H680J 32.3/14.2...
  • Page 41 [MAIN UNIT] [MAIN UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C255 4030018860 S.CER ECJ0EB0J105K 12/25.1 C601 4030017460 S.CER ECJ0EB1E102K 32.3/34.1 C256 4030016930 S.CER ECJ0EB1A104K 10.1/26 C602 4030017460 S.CER ECJ0EB1E102K 28.1/29.1 C257 4030016930 S.CER ECJ0EB1A104K 21.9/27.7 C603 4550006010 S.TAN TEESVA 0G 106M8R 39.4/31.3 C258 4030017430 S.CER ECJ0EC1H101J...
  • Page 42 [RF UNIT] [RF UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION IC100 1110007060 S.IC uPC3223TB-E3 40.2/8.5 D501 1790001260 S.DIO MA2S077-(TX) 8/38.8 IC150 1110004050 S.IC NJM3404AV-TE1-#FMZB 27/5.5 D502 1750000721 S.VCP HVC375BTRF-E 8/37.6 IC800 1130013000 S.IC LMX2313USLDX/NOPB 29.6/27.2 D503 1790001250 S.DIO MA2S111-(TX) 15.3/38.7 IC900 1110005230 S.IC uPC2757TB-E3...
  • Page 43 [RF UNIT] [RF UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION L602 6200011580 S.COL LQW18AN33NG00D 24.4/33.9 R309 7030008410 S.RES ERJ2GEJ 392 X (3.9 k) 17.4/25.9 L603 6200009220 S.COL LQW18AN15NG00D 28.3/28.6 R310 7030008410 S.RES ERJ2GEJ 392 X (3.9 k) 16.8/24.6 L604 6200009220 S.COL LQW18AN15NG00D 33.4/29 R311 7030005240 S.RES ERJ2GEJ 473 X (47 k)
  • Page 44 [RF UNIT] [RF UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION R661 7030005240 S.RES ERJ2GEJ 473 X (47 k) 45.8/37.1 C116 4030017420 S.CER ECJ0EC1H470J 19/6.9 R662 7030009270 S.RES ERJ2GEJ 821 X (820) 44.6/33.6 C119 4030017460 S.CER ECJ0EB1E102K 20.4/9.8 R700 7030007290 S.RES ERJ2GEJ 222 X (2.2 k) 18.3/45.3 C121 4030017330 S.CER ECJ0EF1C104Z...
  • Page 45 [RF UNIT] [RF UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C318 4030016790 S.CER ECJ0EB1C103K 11.8/25.1 C616 4030018860 S.CER ECJ0EB0J105K 34.4/27.8 C319 4030016790 S.CER ECJ0EB1C103K 12.2/24.2 C617 4030017460 S.CER ECJ0EB1E102K 37.1/27.8 C320 4030017460 S.CER ECJ0EB1E102K 16.3/27.1 C618 4030016790 S.CER ECJ0EB1C103K 38/27.7 C321 4030017360 S.CER ECJ0EC1H030B 16.3/28...
  • Page 46 [RF UNIT] [VCO UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C908 4030017730 S.CER ECJ0EB1E471K 49.6/31.7 7030005240 S.RES ERJ2GEJ 473 X (47 k) 16.5/17.2 C909 4030017650 S.CER ECJ0EC1H270J 40.7/18.2 7030007290 S.RES ERJ2GEJ 222 X (2.2 k) 15.6/16.4 C910 4030017460 S.CER ECJ0EB1E102K 44.8/32.7 7030004970 S.RES ERJ2GEJ 470 X (47) 12.8/8.4...
  • Page 47 SECTION 7 MECHANICAL PARTS [CHASSIS PARTS] [MAIN UNIT] ORDER ORDER DESCRIPTION QTY. DESCRIPTION QTY. J702 6510024131 IMSA-9637S-40Y905 6910017840 2905 ANT CONNECTOR J703 6510022880 AXK5S30340P S702 2250000630 TP70D974E20-21F-3066 S700 2260002840 SKHLLFA010 S701 2260002840 SKHLLFA010 8900016810 OPC-1792 (Incl. W2) 8900016791 OPC-1763A MP300 8510016470 2775 VCO CASE MP301 8510016460 2775 VCO COVER...
  • Page 48 MP11x8(L) MP512(L) LOGIC UNIT MP511(L) MP6(L) DS1(L) MP7(L) MP7(CH) MC300(L) MP3(L) MP1(L) MP9(L) MP13(CH) MP10(L) MP14(CH) MP5(CH) MP5(L) MP15(CH) MP27(CH)x2 SP1(L) MP2(L) MP19(CH) W1(CH) MP8(L) MP11(CH) MP16(CH) MP20(CH) MP18(CH) MP25(CH) J1(CH) MP22(CH) MP30(CH) MP10(CH) MP2(CH) MP8(CH) MP13(L) MP26(CH) MP4(L) RF UNIT MP31(CH) MP37(CH) MP24(CH)x7...
  • Page 49 SECTION 8 BOARD LAYOUTS • MAIN UNIT • LOGIC UNIT (TOP VIEW) (TOP VIEW) C725 C724 FI100 C726 L100 R213 R214 D102 R115 C113 C123 R107 R108 DATA C116 +5.5V C118 C115 DASTB2 C472 C754 C122 C121 Q151 C138 C119 EP758 C775 C474...
  • Page 50 [DIAL] • MAIN UNIT • LOGIC UNIT (BOTTOM VIEW) (BOTTOM VIEW) R105 MP302 C108 Q101 Q103 C109 C128 R122 Q102 L101 R120 R121 C219 R116 Q104 C153 MP511 Q105 D103 C132 R126 X100 C124 C131 C144 R131 R127 J601 C143 C134 C563 D105...
  • Page 51 SECTION 9 BLOCK DIAGRAM LOGIC UNIT MAIN UNIT CHASSIS D601:MA2S728 Q600:CPF3313 I C53:CD4094 MUTE,DTCS,MICC,D_AS, Q601:UNR9213 MIC1,MIC2 DATA,CK,IOSTB4 IC701:CD4094 DAFS,ACT,BCT,W/N,R3C AR3C,BR3C,ARMUTE OPTV DATA,CK,IOSTB3 I C400:NJM2070 IC702:CD4094 VBVCOC,UBVCOC,WFM,BRMUTE AAM,BAM,VAVCOC,UAVCOC SPSW DATA,CK,IOSTB3 Q310:UNR9115 Q305:UNR9213 Q402:2SC4116 MUTE Q311:2SC4213 Q403:RSR025N03 AFON DTMF Q404:RSR025N03 Q405:UNR9213 Q400:2SB1201 Q401:XP1501 IC150:LM2904 IC302B:LMV324...
  • Page 52 62.145 131.645MHz RF UNIT MAIN UNIT Q 1:XP1114 IDET Q1:2SC5195 Q2:UNR9211 HV- I I C704:LM2904 Q2:UNR9211 Q200:2SC5006 Q150:UNR9211 Q 700:2SA1832 D1:1SV325 D4:MA2S111 D1:1SV307 Q701:UNR9213 D2:1SV308 D53:MA2S111 D3:1SV308 D 700:MA8030 D3:1SV325 D103:MA2S111 Q152:UNR9211 D4:1SV308 Tx:430.000M~450.000MHz D5:1SV325 D 150:MA742 D151:1SV271 Q650:UNR9211 Q800:XP1115 D6:1SV325 D 152:MA742 D10:1SV308...
  • Page 53 SECTION 10 VOLTAGE DIAGRAM LOGIC UNIT D103 R113 MA2S111 C121 R114 0 . 0 1 I C 5 3 MP511 MP512 1.63V C200 C201 VCC+ I N + C202 3066 3066 0 . 0 0 1 2.17V C203 I N- C204 3.32V IC 1 0 4...
  • Page 54 LOGIC UNIT MMZ1005Y102CT EP501 MMZ1005Y102CT R347 R351 EP500 C330 R504 MMZ1005Y102C T EP502 R350 0 . 0 0 1 R601 100K IC 5 0 1 EP503 C510 MMZ1005Y102C T IC 3 0 3 DATA R602 R501 C505 XTAL 0 .1 R505 R506 R507...
  • Page 55 AM:2.83V MAIN UNIT A Other :0.0V A:3.11V A WFM:0.10V A CTCSS ON : 3.14V B:0.4V A CTCSS OFF : 0.0V AAGC R129 U NR9115J C771 C752 C790 C754 C775 C755 C756 C772 C773 C753 C777 R124 C751 Q150 C127 R121 0.47 U NR9115J R120...
  • Page 56 MAIN UNIT MP302 OG-321610G AAGC AAGC A:3.08V D 100 B:0.40V MA2S728 FL-394 0.0047 0.0047 2.2K 2.2K R104 R100 J703 HV-I 0.01 C104 L100 R101 DASTB1 0.01 0.001 0.01 0.68U 6.8K EP100 BAGC MMZ1005Y102C T 1SS364 UAVCOC UNLK C105 AR3C TTEMP 2.2K 2SC4215 1SS364...
  • Page 57 RF UNIT D705 0.001 UNR9115J MA2S111 Q702 0.001 800MC 1SV308 1SV308 1SV308 A:800M R705 C717 0.001 RX:2.69V C721 C708 C702 L704 R703 R714 R712 0.001 R711 C707 0.001 2.2K 0.001 L701 C:5.00V 0.1U C:4.42V D706 R841 R701 C841 C718 1SV308 1.5K 2.2K R710...
  • Page 58 RF UNIT TTEMP R170 A:VHF A:OTHER BAND RX:0.12V RX:3.3V R177 NTCG16 EP100 C111 C145 VSHIFT C109 C181 R171 C132 J1(CHASSIS ) R112 MMZ1608Y102BT M PZ2012S331A VMOD 0.001 2905 ANT CONNECTOR 0.001 EP101 0.001 L104 20.0N Q800 C192 R113 0.001 0.001 12.1N D160 0.001...
  • Page 59 AXK716147G L 2 0 3 LOOUT UVCO3 C208 L 2 0 2 PLLOUT VMOD 2SC500 6 8 . 2 N 0 . 0 0 1 Q202 BCVCO3 C211 C207 V S H I F T C213 VVCO3 L 2 0 1 BCLV C209 C210...
  • Page 60 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 61 S-14415XZ-C1 1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan © 2008 Icom Inc.