Icom IC-756PROIII Service Manual
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Icom IC-756PROIII Service Manual

Hf/50mhz all band transceiver
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SERVICE
MANUAL
HF/50MHz ALL MODE TRANSCEIVER

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  • Page 1 SERVICE MANUAL HF/50MHz ALL MODE TRANSCEIVER...
  • Page 2 8. READ the instructions of test equipment thoroughly before connecting equipment to the transceiver. Icom, Icom Inc. and are registered trademarks of Icom Incorporated (Japan) in the United States, the United Kingdom, Germany, France, Spain, Russia and/or other countries.

  • Page 3: Table Of Contents

    TABLE OF CONTENTS SECTION 1 SPECIFICATIONS SECTION 2 INSIDE VIEWS SECTION 3 CIRCUIT DESCRIPTION SECTION 4 ADJUSTMENT PROCEDURES SECTION 5 PARTS LIST SECTION 6 MECHANICAL PARTS AND DISASSEMBLY SECTION 7 SEMI-CONDUCTOR INFORMATION SECTION 8 BOARD LAYOUTS 8 - 1 DISPLAY BOARD ..............8 - 1 8 - 2 MODE BOARD .

  • Page 4: Antenna Tuner

    SECTION 1 SPECIFICATIONS ■ GENERAL ■ RECEIVER • Frequency coverage: • Receive system : Triple-conversion Receive 0.030–60.000 MHz* superheterodyne system Transmit 1.800–1.999 MHz* 3.500–3.999 MHz* • Intermediate frequencies: 5.3305, 5.3465, 5.3665, 5.3715, 5.4035 MHz* 1st IF 64.455 MHz 7.000–7.300 MHz* 10.100–10.150 MHz* 2nd IF 455 kHz...
  • Page 5 SECTION 2 INSIDE VIEWS • TOP VIEW 2 - 1...
  • Page 6 • BOTTOM VIEW 2 - 2...

  • Page 7: Receiver Circuit

    3-1-3 PRE-AMPLIFIER CIRCUITS (PRIAMP BOARD) The signals from the CTRL-A unit either bypass or pass The IC-756PROIII has 2 gain levels of pre-amplifi er circuits. through the 6 dB (RF-B unit, R102, R106, R111, RL102) One has 10 dB gain for the 1.8–21 MHz bands and the other and/or 12 dB (RF-B unit, R112, R113, R114, RL103) one has 16 dB gain for the upper 24 MHz bands.
  • Page 8 3-1-5 1ST IF CIRCUIT (RF-B UNIT) Some DC voltage from the noise detector circuit is fed back to the noise amplifiers (Q271, Q272) via the DC amplifiers The 1st IF circuit filters and amplifies the 1st IF signal. The (Q274, Q275). The DC amplifiers function as an AGC cir- 1st IF signal combined at L1018 and is then applied to a cuit to reduce average noise.
  • Page 9 IF signal to electronically narrow the passband 108) and is compared with the threshold level set by the width. The IC-756PROIII uses the DSP circuit for the digital [RF/SQL] control. The [RF/SQL] setting signal is applied to PBT function and actually shifts the both lower and higher the main CPU via the sub CPU (DISPLAY board;...

  • Page 10: Transmitter Circuits

    3-2 TRANSMITTER CIRCUITS (1) When SSB mode The audio signals from the analog switch (IC2201, pin 5) 3-2-1 MICROPHONE AMPLIFIER CIRCUIT are amplified at the limiter amplifier (IC2281b) and applied (MAIN-A UNIT) to the low-pass filter (IC2281c/d) to limit the transmit The microphone amplifier circuit amplifies microphone passband width.
  • Page 11 3-2-4 SPEECH COMPRESSOR CIRCUIT 3-2-6 RF CIRCUIT (RF-B AND PA UNITS) (DSP-A BOARD) The RF circuit amplifies operating (transmitting) frequency to obtain 100 W of RF output. The speech compressor compresses the transmitter audio input signals to increase the average output level (average The signal from the 1st IF mixer (RF-B unit;...

  • Page 12: Pll Circuits

    When the FORV signal exceeds the POCV voltage, ALC The thermistor (R50) detects the temperature of the final bias voltage from the comparator (IC551b) controls the IF amplifier (Q5), and activates Q11 and Q13 to accelerate amplifiers (Q261). This adjusts the output power to a speci- the cooling fan when the detected temperature exceeds fied level from the [RF POWER] control until the FORV and 70˚C (158˚F).
  • Page 13 The divided signal at the DDS circuit (IC101) is used for The detected signal output from the PLL IC (IC381; pin 2) the marker signals with the IC-756PROIII. is converted into a DC voltage (lock voltage) at the loop filter and then fed back to one of the VCO circuits (Q201, The reference signal for the DDS circuit (32.0 MHz) is...

  • Page 14: Antenna Tuner Circuits

    3-4 ANTENNA TUNER CIRCUITS (2) Tuning motors (CTRL-A and TUNER-A units) A motor controller (Q211–Q218, D211, D213, D215, D217) 3-4-1 MATCHING CIRCUIT (TUNER-A UNIT) rotates the tuning motors (TUNER-A unit; MF1, MF2) to The matching circuit is a T-network. Using 2 tuning motors, obtain a low SWR.

  • Page 15: Power Supply Circuits

    3-5 SCOPE CIRCUITS 3-6 POWER SUPPLY CIRCUITS 3-5-1 SCOPE RECEIVER CIRCUIT (RF-B UNIT) 3-6-1 PA UNIT A portion of the 64.455 MHz 1st IF signal from the 1st LINE DESCRIPTION mixer circuit (Q1203–Q1206: while receiving) or IF ampli- The voltage from an external power supply via fier (Q1551: while transmitting) is passed through the the common filter circuit (FILTER-A unit;...

  • Page 16: Logic Circuits

    3-6-3 MAIN-A UNIT 3-7-2 SUB-CPU PORT ALLOCATIONS (DISPLAY BOARD; IC401) LINE DESCRIPTION Port Receive 8 V converted from the 14 V line and Description number name regulated by the R8V regulator circuit (Q601, Input and output ports for the system OSC1, Q602, D601).
  • Page 17 3-7-3 MAIN-CPU PORT ALLOCATIONS (MAIN-A UNIT; IC3501) Port Port Description Description number name number name A0–A3, CON1 Outputs data signal for the DDS cir- 6–9, Address signal output ports for the A4–A11, (PDAT) cuits (PLL unit; IC101, IC401). 11–18, LCD controller (IC3551). A12–A18 20–26 CON0...
  • Page 18 3-7-4 INPUT EXPANDER ALLOCATIONS (1) DISPLAY board; IC411 (2) PLL unit; IC101 Port Port Description Description number name number name Input port for the [RIT], [∆TX] and Outputs the marker mute switch [CLEAR] switches. (IC192) control signal. MAKS High : When the marker ON is select- Input port for [UP] and [DN] switches MUDK of the connected microphone.
  • Page 19 (6) RF-B unit; IC402 (4) CTRL-A board; IC11 Port Port Description Description number name number name Outputs a low-pass filter select signal. Outputs a bandpass filter select signal. High : When 0.03–1.999999 MHz High : When 11–13.999999 MHz or B7WS band is selected.
  • Page 20 (8) MAIN-A unit; IC3653 (10) MAIN unit; IC3752 Port Port Description Description number name number name Outputs strobe signals for the out- Outputs control signal for the noise BSTB put expander ICs (RF-B unit; IC301, blanker switch (Q3751, Q3752). IC302). High : When the [NB] switch is ON, except in FM mode.
  • Page 21 SECTION 4 ADJUSTMENT PROCEDURES 4-1 PREPARATION ■ REQUIRED TEST EQUIPMENT EQUIPMENT GRADE AND RANGE EQUIPMENT GRADE AND RANGE Output voltage : 13.8 V Frequency range : 300–3000 Hz DC power supply Audio generator Current capacity : 30 A or more Measuring range : 1–500 mV Measuring range...

  • Page 22: Pll Adjustments

    4-2 PLL ADJUSTMENTS ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST • Display freq. : Any Connect a frequency 64.000000 MHz (R33 REFERENCE • Turn L52 on the PLL unit to 4 rota- counter to the check for critical FREQUENCY adjustment)
  • Page 23 PLL ADJUSTMENTS—continued ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST S2LO • Display freq. : Any Connect an RF volt- –3 dBm or more Verify OUTPUT • Receiving meter to the check LEVEL point P901. MARKER • Display freq. : Any Connect an oscil- 4 Vp-p or more...

  • Page 24: Transmitter Adjustments

    4-3 TRANSMITTER ADJUSTMENTS ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST IDLING 1 • Display freq. Unsolder W29. 250 mA : 14.100000 MHz CURRENT Connect an ammeter to • Mode : CW (Key up) (for drive) the unsoldering points •...
  • Page 25 • PA unit PA unit Ammeter Top view of the transceiver Idling current check point for drivers Unsoldering here Ammeter Idling current adjustment for finals Idling current adjustment for drivers Unsoldering here Idling current check point for finals • MAIN-A unit R263 Transmitter MAIN-A...
  • Page 26 • Connect CP501 to GND. s u p p l y a n d t h e • Transmitting IC-756PROIII. HF BANDS • Display freq. : 14.100000 MHz Rear C o n n e c t a n R F...
  • Page 27 • MAIN-A unit MAIN-A unit Bottom view of the transceiver R509 50 MHz band output power adjustment CP501 Ic APC check point R510 AM carrier R507 adjustment HF bands output power adjustment R545 Ic APC adjustment • DSP-A board DSP-A board MAIN-A unit R2227...

  • Page 28: Receiver Adjustments

    4-4 RECEIVER ADJUSTMENTS ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT JUST RX PEAK • Display freq. : 14.100000 MHz Rear C o n n e c t a n A C Minimum audio output RF-B L1211, • [DUALWATCH] : OFF panel millivoltmeter to [EXT level...
  • Page 29 • RF-B unit RF-B unit L1211 Bottom view of the transceiver L1011 RX peak adjustment C1238 C1036 R1207 L1752 Mixer balance R1206 adjustment L1751 R1007 FM distortion R1006 adjustment L1702 J1651 Mixer ballance check point • MAIN-A unit MAIN-A unit Bottom view of the transceiver L111 L112...
  • Page 30 RECEIVER ADJUSTMENTS—continued ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST RECEIVER • Display freq. : 14.100000 MHz MAIN-A Connect an oscil- 3.7 Vp-p MAIN-A R210 TOTAL GAIN • [DUALWATCH] : OFF loscope to the check • Mode : USB point CP213.
  • Page 31 • MAIN-A unit MAIN-A unit Bottom view of the transceiver L273 Noise L272 blanker L271 adjustment R271 R210 Receiver total gain CP271 adjustment Noise blanker check point CP213 Receiver total gain check point • RF-B unit RF-B unit J2001 Spectrum scope pre-setting Bottom view of the transceiver CP2002...
  • Page 32 4-5 TUNER ADJUSTMENTS ADJUSTMENT MEASUREMENT POINT ADJUSTMENT ADJUSTMENT CONDITION VALUE UNIT LOCATION UNIT ADJUST • D i s p l ay f r e q . : 29.70000 MHz CTRL-A Connect a digital Minimum voltage CTRL-A DETECTOR • Mode : FM multimeter or oscil- •...
  • Page 33 4-6 METER ADJUSTMENTS ADJUSTMENT ADJUSTMENT CONDITION DISPLAY OPERATION ENTERING 1 • Enter the adjustment mode: ADJUST MODE Push [F-1 (METER)], [F-2 (TX)] or [F-3 (RX)] to q Turn power OFF. ADJUSTMENT select each adjustment mode. w Terminate the [REMOTE] jack MODE Once entering adjustment mode, use [F-1 with a 3.5(d) mm mini-plug.
  • Page 34 METER ADJUSTMENTS–contnued ADJUSTMENT ADJUSTMENT CONDITION DISPLAY OPRATION (50M POWER 7 • Connect an RF power meter to Set the output power to using the tuning dial. -- TX -- METER) [ANT1] connector. Then push [F-5 (SET)] to store the "POWER POWER 50M Tuner •...

  • Page 35: Front Unit

    SECTION 5 PARTS LIST [FRONT UNIT] [DISPLAY UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 5080000450 SLU2LC1EX5B-TH D424 1750000520 S.DIO DAN222TL 60.2/74.2 D425 1750000520 S.DIO DAN222TL 62.3/74 D431 1750000520 S.DIO DAN222TL 64.3/68.4 5510000490 ME-41 (KL-293S-11) SX2495 D432 1750000520 S.DIO DAN222TL 65.6/71.1 D501 1750000190 S.DIO...

  • Page 36: Display Unit

    [DISPLAY UNIT] [DISPLAY UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION R244 7030003440 S.RES ERJ3GEYJ 102 V (1 kΩ) 10.2/71.7 R714 7210002630 EVU-FLAE02 B14 (10KB) 196.7/5.5 R715 7030003640 S.RES ERJ3GEYJ 473 V (47 kΩ) 184/10 R245 7030003440 S.RES ERJ3GEYJ 102 V (1 kΩ) 7.5/70.8 R246 7030003440...
  • Page 37 [DISPLAY UNIT] [DISPLAY UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C403 4030011600 S.CER C1608 JB 1E 104K-T 49.4/39.7 C1404 4030011600 S.CER C1608 JB 1E 104K-T 58.9/13.5 C404 4030011600 S.CER C1608 JB 1E 104K-T 58.8/55.7 C1405 4030011600 S.CER C1608 JB 1E 104K-T 58.9/12.2 C405 4030011600...
  • Page 38 [TEN-KEY UNIT] [MODE UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 1590002310 S.TR DTC114EE TL 61.8/50.6 7030003540 S.RES ERJ3GEYJ 682 V (6.8 kΩ) 11.9/94.8 7030003480 S.RES ERJ3GEYJ 222 V (2.2 kΩ) 11.1/85.7 1590002310 S.TR DTC114EE TL 8.3/45.1 1590002310 S.TR DTC114EE TL 13.8/51.8 7030003520 S.RES ERJ3GEYJ 472 V (4.7 kΩ)

  • Page 39: Pll Unit

    [PLL UNIT] [PHONE UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 6200003950 S.COL HF50ACC 322513-T 15.1/5.9 1130007700 S.IC BU4094BCF-E2 113.7/69.9 6200003950 S.COL HF50ACC 322513-T 10/7 IC101 1140007880 S.IC TC190G08AF-0046-Z/SC-1246A 106.9/89.7 IC102 1130003830 S.IC TC7S04F (TE85R) 93.1/92 IC191 1130006440 S.IC TC7S08F (TE85R) 118.3/79.6 S.RES ERJ12YJ181U (180 Ω) 7030006240...
  • Page 40 [PLL UNIT] [PLL UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION D271 1790000540 S.VCP MA338 (TX) 22.3/87.9 L426 6200001830 S.COL NL 322522T-100J 85.8/11.8 L428 6200001830 S.COL NL 322522T-100J 82.5/29.1 D272 1790000540 S.VCP MA338 (TX) 24.6/87.9 D273 1790000540 S.VCP MA338 (TX) 24.5/87.9 L452 6130002970 LB-343...
  • Page 41 [PLL UNIT] [PLL UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION S.RES ERJ3GEYJ 681 V (680 Ω) 7030003420 127.3/97.8 R447 7030003440 S.RES ERJ3GEYJ 102 V (1 kΩ) 100.4/14.9 7030003640 S.RES ERJ3GEYJ 473 V (47 kΩ) T 128.2/104.8 R450 7030003560 S.RES ERJ3GEYJ 103 V (10 kΩ) 75.3/32.9 S.RES ERJ3GEYJ 331 V (330 Ω) 7030003380...
  • Page 42 [PLL UNIT] [PLL UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 4550006080 S.TAN TEESVB2 1C 106M8L 141.3/62.1 C207 4030006880 S.CER C1608 JB 1H 472K-T 74.3/100.2 C208 4610001860 S.TRI TZB4Z060AB10R00 70.8/92.6 4030011600 S.CER C1608 JB 1E 104K-T 109.1/66.5 4030006880 S.CER C1608 JB 1H 472K-T 7.7/51.4 C209 4030009350...
  • Page 43 [PLL UNIT] [PLL UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C409 4030011600 S.CER C1608 JB 1E 104K-T 93.9/7.2 C620 4030007080 S.CER C1608 CH 1H 390J-T 41.8/39.5 C621 4030007120 S.CER C1608 CH 1H 820J-T 41.8/38.2 C410 4030011600 S.CER C1608 JB 1E 104K-T 104.4/3.5 C411 4030011600...
  • Page 44 [PA UNIT] [PLL UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C918 4030007020 S.CER C1608 CH 1H 120J-T 113.1/46.2 1180001070 S.IC TA7805F (TE16L) 20.3/71.4 1110002020 TA7805S 9.4/86.6 C919 4030009910 S.CER C1608 CH 1H 040B-T 108/42.1 C920 4030006880 S.CER C1608 JB 1H 472K-T 112.4/49.8 1180001980 MC78T08CT...
  • Page 45 [PA UNIT] [PA UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 7030003440 S.RES ERJ3GEYJ 102 V (1 kΩ) 61.2/17.7 6510022600 S.CNR 30FMN-BMTTR-A-TBT 25.4/7.6 6510003080 RT01T-1.0B 93/27.7 7030003440 S.RES ERJ3GEYJ 102 V (1 kΩ) 47.9/9.7 7030003560 S.RES ERJ3GEYJ 103 V (10 kΩ) 47.8/6.3 6510018960 S.CNR B2B-PH-SM3-TB...
  • Page 46 [MAIN-A UNIT] [MAIN-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION Q3751 1590001960 S.TR XP4311 (TX) 112.3/76.5 IC101 1110000960 S.IC NJM4558M-TE1 88.3/26.5 Q3771 1510000510 S.TR 2SA1576A T106R T 155.7/128.3 IC151 1130006220 S.IC TC4W53FU (TE12L) 44.9/93 Q3772 1530002060 S.TR 2SC4081 T106 R T 157.2/133.8 IC152 1130003610...
  • Page 47 [MAIN-A UNIT] [MAIN-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION S.RES ERJ3GEYJ 100 V (10 Ω) L273 6150002291 LS-450 31.4/43.3 R201 7030003200 30.7/110.5 L274 6180001000 LAL 04NA 102K 39.5/52.2 R202 7030008061 S.RES ERA3YED 222V 37/118.1 S.RES ERJ3GEYJ 100 V (10 Ω) L351 6910003570 2943-666663...
  • Page 48 [MAIN-A UNIT] [MAIN-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION S.RES ERJ3GEYJ 471 V (470 Ω) S.RES ERJ12YJ4R7U (4.7 Ω) R362 7030003400 88.9/97 R611 7030006210 93.3/8.6 R363 7030003560 S.RES ERJ3GEYJ 103 V (10 kΩ) 94.2/94.6 R612 7030003440 S.RES ERJ3GEYJ 102 V (1 kΩ) 95.8/8.9 R364 7030003630...
  • Page 49 [MAIN-A UNIT] [MAIN-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION R3539 7030003720 S.RES ERJ3GEYJ 224 V (220 kΩ) 156.1/80.3 R3701 7030003640 S.RES ERJ3GEYJ 473 V (47 kΩ) 168.2/79.6 R3702 7030003640 S.RES ERJ3GEYJ 473 V (47 kΩ) 149.1/49.2 R3540 7030003720 S.RES ERJ3GEYJ 224 V (220 kΩ) 152.9/81.9 R3541 7030003720...
  • Page 50 [MAIN-A UNIT] [MAIN-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C153 4030011600 S.CER C1608 JB 1E 104K-T 46.2/89.5 C362 4030011600 S.CER C1608 JB 1E 104K-T 88.4/93.7 C363 4510004630 S.ELE ECEV1CA100SR 59.2/104.5 C154 4510006220 S.ELE ECEV1CA101UP 52.1/101.3 C155 4030011600 S.CER C1608 JB 1E 104K-T 49.9/90.3 C364 4510004630...
  • Page 51 [MAIN-A UNIT] [MAIN-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C807 4030011600 S.CER C1608 JB 1E 104K-T 23.6/135.4 C3614 4030006880 S.CER C1608 JB 1H 472K-T 148.3/71.1 C3615 4030006880 S.CER C1608 JB 1H 472K-T 139.6/68.8 C808 4510006220 S.ELE ECEV1CA101UP 22.6/128.5 C813 4510006220 S.ELE ECEV1CA101UP 30.2/128...
  • Page 52 [DSP-A UNIT] [MAIN-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION J891 6510022580 S.CNR 24FMN-BMTTR-A-TBT 191.7/60.5 IC2001 1190000970 S.IC ADSP-21061LKS-160 33.3/91.3 IC2041 1130008360 S.IC TC7SHU04FU (TE85L) 5.4/103.8 J1702 6510022620 S.CNR 10FMN-BMTTR-A-TBT 190/134 J3501 6510021860 BH-800.8 <LTC> 46/128.5 IC2042 1130008040 S.IC TC7SH04FU 11.9/103.8 J3502 6510019190...
  • Page 53 [DSP-A UNIT] [DSP-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION R2019 7030003560 S.RES ERJ3GEYJ 103 V (10 kΩ) 47.6/70.5 R2356 7030008061 S.RES ERA3YED 222V 29.7/50 R2020 7030003560 S.RES ERJ3GEYJ 103 V (10 kΩ) 39.8/70.5 R2357 7030008061 S.RES ERA3YED 222V 27.8/50 R2041 7030003800 S.RES ERJ3GEYJ 105 V (1 MΩ)
  • Page 54 [DSP-A UNIT] [DSP-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION R2578 7030003760 S.RES ERJ3GEYJ 474 V (470 kΩ) 16.1/41.2 C2302 4030011600 S.CER C1608 JB 1E 104K-T 58.9/26.6 C2303 4510006220 S.ELE ECEV1CA101UP 73.7/33.3 R2579 7030003760 S.RES ERJ3GEYJ 474 V (470 kΩ) 19.4/40.8 R2580 7030003760...
  • Page 55 [RF-B UNIT] [DSP-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C2463 4510004630 S.ELE ECEV1CA100SR 5.9/18.5 IC201 1110006430 S.IC µPC1678GV-E1-A 4.1/34.4 IC301 1160000130 S.IC TD62783AF (S,EL) 31.5/9.9 C2471 4030011600 S.CER C1608 JB 1E 104K-T 10.6/12.3 C2472 4030011600 S.CER C1608 JB 1E 104K-T 18.8/11 IC302 1160000130...
  • Page 56 [RF-B UNIT] [RF-B UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION D1202 1790000620 S.DIO MA77 (TX) 100.7/59.4 L1010 6200009690 S.COL LQH43CN101K01L 99.9/21.2 L1011 6150005320 LS-546 7K7 D1203 1750000440 S.DIO 1SV263-TL 103.8/50.5 D1204 1750000970 S.DIO CPH5513-TL 107/46.2 L1012 6200001830 S.COL NL 322522T-100J 105.3/24.5 D1205 1790001250...
  • Page 57 [RF-B UNIT] [RF-B UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION S.RES ERJ3GEYJ 820 V (82 Ω) S.RES ERJ3GEYJ 470 V (47 Ω) R114 7030003310 6.6/89.3 R1016 7030003280 111.5/24.9 R151 7030003560 S.RES ERJ3GEYJ 103 V (10 kΩ) 49.6/83.7 R1017 7030003450 S.RES ERJ3GEYJ 122 V (1.2 kΩ) 112.6/18.3 R152 7540000130...
  • Page 58 [RF-B UNIT] [RF-B UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION S.RES ERJ3GEYJ 681 V (680 Ω) R1853 7030003420 150.1/53.5 C403 4030011600 S.CER C1608 JB 1E 104K-T 40.4/28.1 S.RES ERJ3GEYJ 681 V (680 Ω) C451 4030006880 S.CER C1608 JB 1H 472K-T 136.4/14.5 R1854 7030003420...
  • Page 59 [RF-B UNIT] [RF-B UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C664 4030007130 S.CER C1608 CH 1H 101J-T 46.1/49.9 C1208 4030007100 S.CER C1608 CH 1H 560J-T 67.1/42.7 C1209 4030007030 S.CER C1608 CH 1H 150J-T 64.9/44.5 C665 4030011600 S.CER C1608 JB 1E 104K-T 47.6/52.3 C666 4030007030...
  • Page 60 [RF-B UNIT] [RF-B UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C1758 4030006880 S.CER C1608 JB 1H 472K-T 136.9/49.8 0910058371 B 6168A C1759 4030011600 S.CER C1608 JB 1E 104K-T 144.3/79.6 EP451 6910015970 S.BEA MMZ1608B 301CT-AS 146.4/18.3 C1760 4030006880 S.CER C1608 JB 1H 472K-T 139.8/81.8 EP452 6910015970...
  • Page 61 [BPF-A UNIT] [PREAMP UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION C3202 4030011600 S.CER C1608 JB 1E 104K-T 51/41.6 Q4201 1530003850 S.TR 2SC5551F-TD 43.8/25.9 Q4202 1530003850 S.TR 2SC5551F-TD 36.3/14.4 C3203 4030017810 S.CER C1608 CH 1H 102J-T 53.6/43.3 C3204 4030010760 S.CER C1608 CH 1H 331J-T 50.4/39.2 Q4203 1590001960...
  • Page 62 [TUNER-A UNIT] [TUNER-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 1120000970 M54562P 4010008560 DEA1X3F151JA3B 4010004250 DE1007 SL 101J 3KV 1120000970 M54562P 4010004250 DE1007 SL 101J 3KV 4010004250 DE1007 SL 101J 3KV 2040000490 EXC-ELDR25C 4010004250 DE1007 SL 101J 3KV 2040000490 EXC-ELDR25C 4620000140 UV35A 150P 6110003600...
  • Page 63 [CTRL-A UNIT] [CTRL-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION S.RES ERJ3GEYJ 221 V (220 Ω) 1590000680 S.TR DTC114EUA T106 14.2/9.5 7030003360 128/81.2 7030003480 S.RES ERJ3GEYJ 222 V (2.2 kΩ) 122.8/83.2 1590001330 S.TR DTA114EUA T106 11.7/9.5 1590000680 S.TR DTC114EUA T106 154.9/85.2 7030003680 S.RES ERJ3GEYJ 104 V (100 kΩ)
  • Page 64 [CTRL-A UNIT] [CTRL-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION S.RES ERJ3GEYJ 470 V (47 Ω) R144 7030003280 126.6/71 4030006880 S.CER C1608 JB 1H 472K-T 131.4/92.4 4030006880 S.CER C1608 JB 1H 472K-T 131.4/91 R145 7030003440 S.RES ERJ3GEYJ 102 V (1 kΩ) 133/62.8 S.RES ERJ3GEYJ 470 V (47 Ω) R146...
  • Page 65 [FILER-A UNIT] [FILER-A UNIT] ORDER ORDER DESCRIPTION DESCRIPTION LOCATION LOCATION 6140003460 LR-388 128.1/46.6 C103 4030012480 S.CER GRM31M2C2H121JV01L 146.9/43.4 6140003460 LR-388 122.8/58.7 C104 4030012480 S.CER GRM31M2C2H121JV01L 91.7/37.9 6140002280 LR-241 (T68-6) 144/46.7 C136 4030006880 S.CER C1608 JB 1H 472K-T 74.8/15 6110003540 LA-548 (LA-215A) 164.5/30.5 C137 4030006880...

  • Page 66: Phone Board

    SECTION 6 MECHANICAL PARTS AND DISASSEMBLY [FRONT PARTS] [PHONE BOARD] REF. ORDER REF. ORDER DESCRIPTION QTY. DESCRIPTION QTY. 5080000450 Lamp SLU2LC1EX5B-TH 6450001980 Connector HLJ5815-01-030 6910011090 Sensor unit RMS20-250-201-P MP1* 8930054900 2356 earth spring 6450001230 Snap plate HLJ0999-01-480 6450001230 Snap plate HLJ0999-01-480 6910012500 Unit board TFD50W40-A [KEY BOARD]...
  • Page 67 MP70 (F) MP1 (F) MP19 (F) MP5 (F) MP3 (F) MP12 (F) PHONE BOARD MP7 (F) MP6 (F) MP11 (F) ME1 (F) MP3 (DIS) MP23 (F) MP4 (DIS) J2 (PH) DISPLAY BOARD MP6 (DIS) MP4 (F) MP51 (F) MP1 (DIS) KEY BOARD MP52 (F) J2 (KE)
  • Page 68 MP54(C) MP46 (C) MP28 (C) MP54(C) MP53 (C) EP2 (C)+MP46 (C) MP61 (C) MP20 (C) MP16 (C) MP47 (C) MP46 (C) SP1 (C) PA UNIT MP31 (C) MP32 (C) FILTER-A UNIT MP79 (C) MP2 (C) MP34 (C) EP1 (C) MP63 (C) MP23 (C) MP72 (C) MP70 (C)
  • Page 69 [CHASSIS PARTS] [CHASSIS PARTS] [PLL UNIT] [ACCESSORIES] REF. ORDER REF. ORDER REF. ORDER REF. ORDER DESCRIPTION QTY. DESCRIPTION QTY. DESCRIPTION QTY. DESCRIPTION QTY. 6510001920 Connector 1490R MP68 8930032130 Himelon sheet AQ 8930014140 Earth spring (D) 5210000090 Fuse FGB 30A 6510000370 Connector MR-DS MP69 8930029050...
  • Page 70 SECTION 7 SEMI-CONDUCTOR INFORMATION • TRANSISTORS AND FET’S MMBFU310LT1 UMD3N UMH4N TN UMH11N TN UNR911HJ 2SA1576A T106 R 2SA1577 T106 Q 2SB1124 S TD 2SB1132 T100 R 2SB1201 S (Symbol: 6C) (Symbol: D3) (Symbol: H4) (Symbol: H11) (Symbol: 6P) (Symbol: FR) (Symbol: HQ) (Symbol: BG) (Symbol: BAR)
  • Page 71 • DIODES 1SS226 1SS301 1SS319 1SS322 1SS375-TL (Symbol: C3) (Symbol: B3) (Symbol: A4) (Symbol: A9) (Symbol: FH) 1SV263 TL 1SV307 1SV308 CPH5513 TL DA221 TL (Symbol: JV) (Symbol: TX) (Symbol: TX) (Symbol: 2B) (Symbol: K) DAN222TL DAP222 TL DSA3A1 DWA010 TE HSB88WSTR (Symbol: N) (Symbol: P)

  • Page 72: Display Board

    SECTION 8 BOARD LAYOUTS 8-1 DISPLAY BOARD • TOP VIEW J601 J452 J451 NOTL PITL J801 to MAIN-A PB1A PB1B SSPE unit J352 to PBT PB2A to LCD board J1 PB2B to CHASSIS J531 POLC J941 VCOM L18V -15V to LCD to PHONE J221 board J1...
  • Page 73 • DISPLAY BOARD (BOTTOM VIEW) POWER TRANSMIT TUNER MONITOR AF. RF/SQL BAL/NR Horizontal COMP BK-IN GAIN POWER DELAY SPEED 8 - 2...

  • Page 74: Mode Board

    8-3 PHONE BOARD 8-5 TEN-KEY BOARD • TOP VIEW Vertical • TOP VIEW 8-2 MODE BOARD • TOP VIEW SPLIT DOWN CHANGE GENE F-INP M-CL PBT-CL NOTCH PHNI MP-W MP-R to DISPLAY board J941 8-4 KEY BOARD • TOP VIEW Vertical ∆TX CLEAR...
  • Page 75 • PHONE BOARD (BOTTOM VIEW) Vertical • TEN-KEY BOARD (BOTTOM VIEW) • MODE BOARD (BOTTOM VIEW) SPLK GENK FINK MPWK MPRK to DISPLAY board J221 MUPK MDNK MCLK XFCK LOCK PBTK NOTK LOCD NOTD • KEY BOARD (BOTTOM VIEW) PBTD Vertical to DISPLAY board J241...

  • Page 76: Pbt Board

    8-9 MEMORY BOARD 8-6 PBT BOARD • TOP VIEW • TOP VIEW NOTCH/CW PITCH PBT1/PBT2 Vertical Horizontal 8-7 RIT BOARD • TOP VIEW 8-8 MIC BOARD • TOP VIEW MICI MMICE MSND SQLS Horizontal Horizontal 8 - 5...
  • Page 77 • MEMORY BOARD (BOTTOM VIEW) Vertical • PBT BOARD (BOTTOM VIEW) to MAIN-A unit J3504 Horizontal to DISPLAY board J601 • MIC BOARD (BOTTOM VIEW) • RIT BOARD (BOTTOM VIEW) to DISPLAY board J322 to MAIN-A unit J3503 Horizontal to DISPLAY Horizontal board J120 8 - 6...

  • Page 78: Main-A Unit

    P701 8-10 MAIN-A UNIT from PLL unit J701 J202 • TOP VIEW AGRS 3R3V_d 3R3V_d M5V_d NSQO DSDR DPGI MODS FMNS CALS DSFW ACKS MDAT DSRS DSFR CTFL RTDT MSL1 J771 DSKY to DSP-A board J2002 J861 to PA unit J3 J201 PWRK DTIF...
  • Page 79 • MAIN-A UNIT (BOTTOM VIEW) Horizontal 8 - 8...

  • Page 80: Dsp-A Board

    8-11 DSP-A BOARD • TOP VIEW Vertical 8 - 9...
  • Page 81 • DSP-A BOARD (BOTTOM VIEW) Vertical J2002 3R3V_d AGRS 3R3V_d M5V_d NSQO DPGI DSDR MODS FMNS CALS ACKS DSFW DSRS MDAT DSFR CTFL MSL1 RTDT DSKY to MAIN-A unit J202 J2001 DRIF DTIF D5VA D5VA D5VA DMAF DTAF DRAF FMTL to MAIN-A unit J201 8 - 10...

  • Page 82: Rf-B Unit

    XVRT RANT P351 P801 8-12 RF-B UNIT 1LOA S3LO from PLL unit J351 from PLL unit J801 • TOP VIEW P901 P1851 S2LO from CTRL-A unit J2 from PLL unit J901 to MAIN-A unit J101 J801 to BPF-A board J803 to BPF-A board J802...
  • Page 83 • RF-B UNIT (BOTTOM VIEW) MP2102 Horizonal 8 - 12...

  • Page 84: Bpf-A Board

    8-14 PREAMP BOARD 8-13 BPF-A BOARD • TOP VIEW • TOP VIEW Vertical Vertical 8 - 13...
  • Page 85 • PREAMP BOARD (BOTTOM VIEW) • BPF-A BOARD (BOTTOM VIEW) Vertical Vertical to RF-B unit J802 to RF-B unit J804 BPF-A_IN BPF-A_OUT POFF PREAMP_IN to RF-B unit J803 to RF-B unit J807 8 - 14...

  • Page 86: Pll Unit

    8-15 PLL UNIT P851 • TOP VIEW to RF-B unit J951 CHASSIS to RF-B unit J1801 MP104 UNLC PSEL CON2 CON1 CON0 DRES PSTB to MAIN-A unit J841 Horizonal P901 S2LO to RF-B unit J2101 8 - 15...
  • Page 87 • PLL UNIT (BOTTOM VIEW) Horizonal 8 - 16...
  • Page 88 8-16 PA UNIT • TOP VIEW to FILTER-A unit to FILTER-A unit Horizontal to CHASSIS MF1 to MAIN-A unit J771 8 - 17...
  • Page 89 • PA UNIT (BOTTOM VIEW) Horizontal 8 - 18...

  • Page 90: Filter-A Unit

    8-17 FILTER-A UNIT • TOP VIEW to CTRL-A unit J13 to CHASSIS CTIN to CHASSIS from CTRL-A unit J1 Horizontal to PA unit EP5 from PA unit J2 to PA unit EP4 8 - 19...
  • Page 91 • FILTER-A UNIT (BOTTOM VIEW) Horizontal 8 - 20...

  • Page 92: Ctrl-A Unit

    8-18 CTRL-A UNIT • TOP VIEW to TUNER-A board J5 TUIN from TUNER-A board J3 to RF-B RFRX unit J101 T14V CHASSIS to TUNER T14V to TUNER CHASSIS Horizontal CTIN to FILTER-A unit J2 TUOT from TUNER-A board J4 to MAIN-A unit J741 to FILTER-A unit J3 8 - 21...
  • Page 93 • CTRL-A UNIT (BOTTOM VIEW) Horizontal 8 - 22...

  • Page 94: Tuner-A Board

    8-19 TUNER-A BOARD • TOP VIEW to CTRL-A unit J8 TUIN to CTRL-A unit J3 Horizontal TUOT to CTRL-A unit J4 8 - 23...
  • Page 95 • TUNER-A BOARD (BOTTOM VIEW) Horizontal 8 - 24...
  • Page 96 SECTION 9 BLOCK DIAGRAM IC2041 DSP-A BOARD MAIN-A UNIT RF-B UNIT TC7SHU04FU Q1901 IC2091 S-80934CNMC-G84 IC2042 Q2321 2SJ381 IC2301A XP4311 IC2092 TC7S02FU BA15532F TC7SH04FU Q2322 2SJ381 FI111 X2041 R210 IC201B IC201A CFK455E10 Q141 D113,D114 CR-568 IC151 1SV308 × 2 BA15532F BA15532F (455kHz) 3SK131...
  • Page 97 PREAMP BOARD Q4203,Q4204 RX ANT ANT2 ANT1 XP4311 D1201 CPH5513 Q1201,Q1202 D1203 1SV263 Q1208 Q1203-Q1206 2SK1740 DRIVER CHASSIS D1204 CPH5513 2SC5551 2SK1740 PRE1 RANS FI1701 Q1751 FL-381 3SK131 (64.455MHz) Q1207 D1205 TUNER-A UNIT 2SC4081 MA2S111 0.03-1.6MHz XTAL COMB SPLIT ANTS 12dB DRIVER Q4201...

  • Page 98: Front Unit

    SECTION 10 VOLTAGE DIAGRAMS 10-1 FRONT UNIT CP101 J101 +14V CP102 CP103 IC101a IC101c MAIN DIAL UP MAIN DIAL DOWN BU4030BF BU4030BF M UP 4.6V R124 1M R122 R123 R102 220k 100k M DN 4.6V R441 L401 CP104 C406 HF50ACC322513-B IC102a R442 R104...
  • Page 99 FRONT J301 J601 LFMD R301 LFMD +14V NOTL R601 NOTL NOTL LMFD R312 LMFD R3 47k PITL R602 PITL PITL SRES R313 SRES (PITCH) PB1A PB1A PB1A YOBI R621 PB1B PB1B PB1B R315 Q901 2.2k S622 S621 R904 DTC114EE PB2A PB2A PB2A R316...
  • Page 100 10-2 DSP-A BOARD J2002 C2515 0.001 C2519 0.001 M5V_d M5V_d 3R3V_d C2506 0.0047 D-8A D-8A DSKY R2503 D-5A D-5A R2510 RTDT D8VA D8VA MSL1 R2505 CTFL R2512 R2507 R2514 DSFR R2509 L2001 C2061 R2063 MDAT D10F-A814AY-101K R2516 3.2V R2511 DSRS M5V_d DSFW R2518...
  • Page 101 TX 4.2V IC2291 TX FM/AM/SSB:30mVp-p TC4W53FU RX 0V R2306 IC2301B C2281 R2304 R2309 BA15532F 0.47 R2302 C2301 C2308 R2308 IC2201 BU4053BCFV W2302 W2301 IC2301A RX 90dBµ input:200mVp-p R2242 R2241 R2217 BA15532F 2.2V R2321 100 TX AM : 1.2V 220k 470k IC2281C IC2281D : 970mV...

  • Page 102: Tuner-A, Memory Boards And Ctrl-A Unit

    10-3 TUNER-A, MEMORY BOARDS AND CTRL-A UNIT L303 100µH CTRL-A UNIT LR-307 LR-307 LR-510 LR-511 LA-490 LA-489 LA-490 LA-489 LA-554 RL16 NY-12W-K NY-12W-K NY-12W-K NY-12W-K NY-12W-K NY-12W-K NY-12W-K NY-12W-K IC51 CD74HC4094M STROBE DATA 3.5M DTC114EU HSM88AS 4.5M 220k 4.6MDL IC1b NJM4558M C45 150p DTC114EU...
  • Page 103 CTRL-A UNIT 100µH (TUNER) MP28GA Q211 DTC114EU Q212 DTC114EU T14V Q213 DTC114EU Q214 Explanatory notes DTC114EU Q215 VOLTAGE LINE DTC114EU Q216 (TUNER) 10µH DTC114EU MP28GA Q217 DTC114EU J14 REF Q218 DTC114EU T14V 100µH 1SS319 HN58X2416TI 100µH 0.16µS P37/RD P20/D80 10µH P36/WR P21/D81 P35/SYNC...
  • Page 104 10-4 MAIN-A UNIT MAIN-A UNIT (1) W702 J741 C702 L701 EXC-ELDR25C L274 CP271 CP272 L271 L272 L273 C703 100mH LS-450 Q272 LS-450 Q273 LS-450 Q271 Q279 C289 Q276 C704 2SK882 2SK882 2SK882 2SC4081 0.0022 2SC4081 C705 Q278 L702 HF50ACC322513-B R285 UNR911HJ R292 2.2M...
  • Page 105 MAIN-A UNIT (1) C158 BUS LINE1 R202 2.2k IC151 IC201a FI111 TC4W53FU BA15532F L151 CFK455E10 100µH W122 3R3V_d 3R3V_d 3R3V_d R207 R209 – – 1.5k 1.5k –5V –5V –5V L152 IC201b R208 100µH 1.5k BA15532F CP213 14VA 14VA Q331 2SD1801 IC331 R153 1M TC4W53FU...
  • Page 106 MAIN-A UNIT (2) BUS LINE1 L3602 HF50ACC322513-B L3603 RCR-875D-472K L3601 HF50ACC322513-B 3R3V_d L3501 HF50ACC322513-B 3R3V_d –5V –5V UNLC UNLC_ R3601 D3601 TRV ON : 0V RX 0V RX 8V R3602 MA2S111 OFF : 4.8V TX 8V TX 0.2V 7.8V Q3002 FZVP 3R3V R3603...
  • Page 107 MAIN-A UNIT (2) M5V_ M5V_ H5V_ H5V_ 3R3V_d MSTB BYTE DRES_ IC3752 C3501 BU4094BCFV MSTB MDAT R3753 MSL1 C3502 R3754 MSL2 J3503 R3755 MISL R3756 MOSL MDAT R3757 470k VOSL R3758 AGRS D3750 MDAT AVCC P35/SCK1 MA2S111 VREF P34/SCK0 SCPL_ FZRX P40/AN0 P33/RXD1...
  • Page 108 MAIN-A UNIT (2) J641 M5V_ L641 220µH ETKY H5V_ START L642 220µH ETST L643 HF70ACC635050-T ET14 TUNER L644 HF70ACC635050-T L351 L353 2943-666663 HF50ACC322513-B J351 M5V_ L352 L354 IC3652 RX 6.5V 2943-666663 HF50ACC322513-B TC74AC245FT TX 0V DIR1 R3723 DB15 RX 0V SQLS_ TX 4.5V DB14...
  • Page 109 10-5 PLL UNIT 4.8V 7.7V PLL UNIT 32MHz_REF 32MHz_REF P351 J351 1LOA to RF-B unit J1301 IC191 TC7S08F L205 C150 R202 1812CS. C203 122XKBC 0.0047 C206 EP204 P651 VA4S J651 to RF-B MKRSS unit J1101 D202 KV1770S C202 Q201 Unselectde 0V 2SK508 Selected 0.7V L206...
  • Page 110 PLL UNIT 32MHz_REF R492 L491 L492 MEASUREMENT CONDITIONS L505 0.68µH 0.82µH VOLTMETER :10MΩ C450 R502 1812CS. C503 122XKBC 0.0047 C506 OSCILLOSCOPE :20MHz 1MΩ 25pF EP504 SUPPLY VOLTAGE :13.8V C492 C494 DISPLAY :14.1MHz USB 100p D502 KV1770S C502 Q501 2SK508 L506 1812CS.
  • Page 111 PLL UNIT L701 UNLC 10µH ULPA R701 2k R702 1k ULPB DRES R703 2k R704 1k DAP222 R730 C192 UMD3N CON2A DAN222 DAN222 IC192 R705 2k R706 1k ULDA 4.8Vp-p TC7S08F VB4S CON2B ULDB 10µS R707 2k R708 1k R192 DULS 2.2k R709 2k...

  • Page 112: Pa And Filter-A Units

    10-6 PA AND FILTER-A UNITS FILTER-A UNIT CP11 CP12 C61 0.001 C123 RX 13.7V RX 13.8V C22 0.001 TX 13.6V TX 13.6V C118 RX 0V RX 0V 120p C21 0.001 LA-548 LA-550 LA-547 TX 1.77V TX 0.68V RL14 RL13 RX 13.8V RX 0V R21 10 0.68...

  • Page 113: Main Dial

    (TUNER) (CTRL) P1 CTIN CTIN T14V T14V LA-480 FRONT LA-481 CHASSIS W11 J101 J601 FRONT W5 J352 RL10 3.5M 3.5M MAIN TB1-160 TB1-160 NOTL NOTL DIAL (TUNER) PITL PITL DSP-A T14V PB1A PB1A T14V 18MHz J201 J2001 J2002 J202 PB1B PB1B 21MHz PB2A...

  • Page 114: Bpf-A, Preamp Boards And Rf-B Unit

    10-7 BPF-A, PREAMP BOARDS AND RF-B UNIT E1_8 R802 C801 L801 L802 14VL_WEST D801 D802 D301 DAN222 Selected: 10.8V IC301 1SV307 4.7µ 4.7µ 1SV307 RL101 RL102 RL103 TD62783AF E1_6 ATN203 ATN203 ATN203 D103 E1_7 R301 DAN222 R302 C807 C9001 C9012 C9021 E1_5 R303...
  • Page 115 PREAMP_OUT Q1001 C901 L1001 L1002 L1003 C1011 C1012 2SK1740 107n 0.25-1.9 D4101 1SV307 C4102 0.1 D3201 C3206 D3202 L3202 PREAMP_OUT 1SV307 12µ 180p 1SV307 L902 D4102 LR-395 C1002 C1006 C1009 Display frequency(MHz) Line Voltage[V] L3205 1SV307 120p C3210 C3207 L4101 180p 12µ...
  • Page 116 L1101 R1002 R1101 R1103 L1102 L1103 L1104 C1106 R1106 617DB 0.001 C1015 C1102 C1104 L1106 LR-441 Q1003 R1003 2SK1740 J1101 Q1101 1LOB R1012 from PLL C1016 D-WATCH 2SC5551 unit J651 1.5k C1111 0.2V 4.4V 4.6V L1007 L1105 10µ 0.01 Left terminal 0.2V 4.4V 4.6V...
  • Page 117 Unit 9, Sea St., Herne Bay, Kent, CT6 8LD, U.K. Phone : +44 (01227) 741741 Fax : +44 (01227) 741742 : http://www.icomuk.co.uk Icom (Australia) Pty. Ltd. E-mail : info@icomuk.co.uk A.B.N. 88 006 092 575 290-294 Albert Street, Brunswick, Victoria, 3056, Australia Icom France S.a...
  • Page 118 S-14110HZ-C1 1-1-32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan C 2004 Icom Inc.

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