Icom IC-910H service manual Electrolytic

Page 54

[MAIN UNIT]

REF

ORDER

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

 

C732

4030007140

S.CERAMIC

C1608

CH 1H 121J-T-A

C751

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C752

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C753

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C754

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C756

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C758

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C759

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C760

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C762

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C763

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C801

4510004590

ELECTROLYTIC

16 MV 470 HC

C802

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C803

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C813

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C814

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C815

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C816

4510004990

ELECTROLYTIC

16 MV 100 HC

C817

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C818

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C819

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C821

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C822

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C823

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C824

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C825

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C826

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C827

4030012610

S.CERAMIC

C2012

JB 1C 474K-T-A

C828

4550006800

S.TANTALUM

TEMSVB2 1D 475M-8R

C840

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C841

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C842

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C843

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C851

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C853

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C854

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C855

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C856

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C857

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C859

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C861

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C862

4030007130

S.CERAMIC

C1608

CH 1H 101J-T-A

C863

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C864

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C865

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C866

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C867

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C868

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C869

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C870

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C871

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C872

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C903

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C904

4030007140

S.CERAMIC

C1608

CH 1H 121J-T-A

C905

4030007130

S.CERAMIC

C1608

CH 1H 101J-T-A

C906

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C907

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C908

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C909

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C910

4510005310

S.ELECTROLYTIC

ECEV1CA220SR

C911

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C912

4510005860

S.ELECTROLYTIC

ECEV1HA2R2SR

C913

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C950

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C951

4030007130

S.CERAMIC

C1608

CH 1H 101J-T-A

C952

4030011810

S.CERAMIC

C1608

JB 1A 224K-T-N

C953

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C954

4030007170

S.CERAMIC

C1608

CH 1H 221J-T-A

C955

4030007170

S.CERAMIC

C1608

CH 1H 221J-T-A

C956

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C957

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C958

4550006350

S.TANTALUM

TEMSVB2 1A 226M-8L

C959

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C960

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C961

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C962

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C963

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C964

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C965

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C966

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C973

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1007

4030011810

S.CERAMIC

C1608

JB 1A 224K-T-N

 

 

 

 

 

[MAIN UNIT]

REF

ORDER

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

C1008

4510004440

S.ELECTROLYTIC ECEV1HA010SR

C1009

4030008900

S.CERAMIC

C1608

JB 1C 333K-T-A

C1010

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1011

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1012

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1013

4030006870

S.CERAMIC

C1608

JB 1H 222K-T-A

C1014

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1015

4030008770

S.CERAMIC

C1608

JB 1H 562K-T-A

C1016

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C1017

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C1018

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1019

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1020

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C1022

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1023

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1024

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C1025

4030007170

S.CERAMIC

C1608

CH 1H 221J-T-A

C1026

4030008900

S.CERAMIC

C1608

JB 1C 333K-T-A

C1027

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1028

4030006870

S.CERAMIC

C1608

JB 1H 222K-T-A

C1029

4030009580

S.CERAMIC

C1608

JB 1H 681K-T-A

C1030

4510004440

S.ELECTROLYTIC

ECEV1HA010SR

C1031

4510004440

S.ELECTROLYTIC

ECEV1HA010SR

C1032

4510004440

S.ELECTROLYTIC

ECEV1HA010SR

C1033

4030011810

S.CERAMIC

C1608

JB 1A 224K-T-N

C1034

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1036

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1045

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1101

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1301

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C1401

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1402

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1451

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1461

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1471

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1481

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1491

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1511

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1521

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1522

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1523

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1531

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1532

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1551

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1552

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1555

4510004440

S.ELECTROLYTIC

ECEV1HA010SR

C1561

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1562

4030007090

S.CERAMIC

C1608

CH 1H 470J-T-A

C1563

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1564

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1565

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1571

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1572

4030007090

S.CERAMIC

C1608

CH 1H 470J-T-A

C1575

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1581

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1582

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C1583

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C1584

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C1585

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C1586

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C1587

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C1601

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C1602

4510005830

S.ELECTROLYTIC

ECEV1HAN010R

C1603

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1604

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1605

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C1631

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1651

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C1652

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1653

4030006870

S.CERAMIC

C1608

JB 1H 222K-T-A

C1654

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1655

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C1656

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1657

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C1658

4510004440

S.ELECTROLYTIC

ECEV1HA010SR

C1659

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C1660

4510004440

S.ELECTROLYTIC

ECEV1HA010SR

C1662

4510005860

S.ELECTROLYTIC

ECEV1HA2R2SR

C1663

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C1664

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C1665

4510004440

S.ELECTROLYTIC

ECEV1HA010SR

C1666

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

 

 

 

 

 

S.=Surface mount

6 - 15

Image 54
Contents Service Manual Repair Notes IntroductionOrdering Parts EURTable of Contents Specifications GeneralReceiver Main and PLL Units SectionInside Views FM if ICPA Unit TOP View Bottom ViewPLL IC Disassembly and Option Instructions Opening the transceiver’s caseUX-910 1200MHz Band Unit Opening the PA unit cover FL-132/FL-133 CW Narrow FilterMain SUB UT-102 Voice Synthesizer Unit Installing 1st DSP unit front panel sideInstalling 2nd DSP unit rear panel side UT-106 DSP UnitCR-293 High Stability Crystal Unit Circuit Description Receiver CircuitSquelch Control Circuit Main Unit 6 10 MHz if Circuit Main UnitDemodulator Circuit Main Unit Squelch Circuit Main UnitAGC Circuit Main Unit Transmitter CircuitsNoise Blanker Circuit Main Unit Meter Circuit Main UnitCW Keying Circuit Main Unit Transmit if Amplifier Circuit Main UnitModulation Circuit Main Unit RF Circuit PA UnitPLL Circuits PLL Circuits 7 1LO PLL Circuit8 2LO PLL Circuit Required Test Equipment Adjustment ProceduresPreparation Before Sarvicing ‘ ConnectionsPLL Adjustments Frequency AdjustmentPLL and Main Units Receiver Adjustments L353 R547P501 L354 R360Blanker EXTNoise Main Band OFFCP851 L283L22 CP852Transmitter Adjustments R138 R503C659 R131GND If TotalMain Gain LO LeakCP1613 R504R202 R1613Software Adjustment Software Adjustment MeterNoise SQL Filter CalibrationTX Power Deviation HPF OFFLPF UX-910 Adjustments C332 CP321CP322 R13Power SET APCPre-setting for APC adjustment Section Parts List Front UnitDisplay Board Resistor ERA3YED Func Board VR-A BoardVR-B Board MIC Board RIT BoardJack Board PLL UnitResistor ERA3YEB Thermistor Tantalum ECST1AD107R Main Unit REG BA09TDiode DAN222TL Resistor ERA3YKD R364 7030003320 R915 7030003520 Tantalum Temsva 1C 335M-8L Electrolytic ECEV1EA4R7SR Electrolytic Relay Diode HSU88TRF Coil Eljre 15NG-F Resistor ERJ1WYJ181U Resistor ERJ1TYJ102U JB 1H JB 1C Mica VARISTOR-B Board DRV BoardBARISTOR-A Board BARISTOR-C Board2UX-910MAIN Unit Main Unit UX-910Resistor RGB3L R15 Resister ERA3YED Tantalum ECST1CC226R CH 1H Connectot 25FMN-BTK Cover Parts Mechanical PartsDisplay Unit Chassis PartsUX-910 Main Unit UnpackingUX-910 Chassis Parts UX-910 UnpackingSEMI-CONDUCTOR Information Transistors and FET’SDTA114 EE TL Diodes MA29BSection Board Layouts Page Icom America Inc 13714HZ-C1

IC-910H specifications

The Icom IC-910H is a highly regarded and versatile transceiver that is designed for amateur radio operators who are particularly interested in V/UHF and microwave communications. Known for its exceptional performance, the IC-910H encompasses a suite of features that make it a standout choice for both casual and dedicated hams.

One of the main features of the IC-910H is its dual-band capability, allowing for simultaneous operation on both 144 MHz (2 meters) and 430 MHz (70 centimeters) bands. This dual operation enables users to engage in various communication modes, including SSB, CW, FM, and digital. Its high frequency stability ensures that users can rely on the transceiver for accurate and consistent transmissions.

The IC-910H is equipped with a high-performance 10 MHz IF filter that improves selectivity and reduces adjacent channel interference. The optional 1.2 GHz module enhances the transceiver’s capabilities, allowing operators to venture into microwave frequencies. This expandability is a significant advantage for users who wish to progress in their amateur radio pursuits.

Another notable aspect of the IC-910H is its large, easy-to-read LCD display, which features various color options for enhanced visibility. The front panel layout is user-friendly, providing quick access to important controls and functions. The built-in DSP (Digital Signal Processing) technology offers noise reduction and filtering capabilities, significantly improving overall audio quality and making weak signals more intelligible.

The transceiver also includes extensive memory functions, with up to 1,000 memory channels available for storing frequencies, modes, and operational settings. Additionally, it supports CTCSS and DCS tones, which facilitate the use of repeater systems and private group communications.

In terms of build quality, the IC-910H features a robust construction designed for durability and long-term use. Its efficient power supply management ensures excellent performance while minimizing heat generation, making it suitable for extended operating sessions.

Overall, the Icom IC-910H is a powerful and feature-rich transceiver that is favored by many amateur radio enthusiasts. With its versatile operating modes, advanced filtering capabilities, and clear display, it stands out as a reliable tool for both casual operators and serious DXers. Its well-thought-out design and comprehensive features make it a valuable addition to any ham's station collection.