Icom IC-910H service manual Tantalum ECST1CC226R

Page 67

[MAIN UNIT] — UX-910

REF

ORDER

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

 

C65

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C66

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C67

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C69

4030007090

S.CERAMIC

C1608

CH 1H 470J-T-A

C70

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C71

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C72

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C73

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C74

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C76

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C77

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C79

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C80

4030007170

S.CERAMIC

C1608

CH 1H 221J-T-A

C81

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C82

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C83

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C84

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C85

4030010760

S.CERAMIC

C1608

CH 1H 331J-T-A

C86

4030007080

S.CERAMIC

C1608

CH 1H 390J-T-A

C87

4030007100

S.CERAMIC

C1608

CH 1H 560J-T-A

C88

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C89

4030007150

S.CERAMIC

C1608

CH 1H 151J-T-A

C90

4030007040

S.CERAMIC

C1608

CH 1H 180J-T-A

C91

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C92

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C93

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C94

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C95

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C96

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C97

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C98

4030007090

S.CERAMIC

C1608

CH 1H 470J-T-A

C99

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C100

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C101

4030009350

S.CERAMIC

C1608

CH 1H 3R5B-T-A

C102

4030009350

S.CERAMIC

C1608

CH 1H 3R5B-T-A

C103

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C104

4030009540

S.CERAMIC

C1608

CH 1H 1R5B-T-A

C105

4030009540

S.CERAMIC

C1608

CH 1H 1R5B-T-A

C106

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C111

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C112

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C114

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C121

4030007000

S.CERAMIC

C1608

CH 1H 090D-T-A

C122

4030009910

S.CERAMIC

C1608

CH 1H 040B-T-A

C123

4030007040

S.CERAMIC

C1608

CH 1H 180J-T-A

C124

4030011770

S.CERAMIC

C1608

CH 1H 060B-T-A

C125

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C130

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C131

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C132

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C133

4030009520

S.CERAMIC

C1608

CH 1H 020B-T-A

C134

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C135

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C136

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C137

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C138

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C140

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C141

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C142

4030009520

S.CERAMIC

C1608

CH 1H 020B-T-A

C143

4030009510

S.CERAMIC

C1608

CH 1H 010B-T-A

C144

4030009510

S.CERAMIC

C1608

CH 1H 010B-T-A

C145

4030009520

S.CERAMIC

C1608

CH 1H 020B-T-A

C146

4030009500

S.CERAMIC

C1608

CH 1H 0R5B-T-A

C147

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C148

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C149

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C150

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C151

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C155

4030009560

S.CERAMIC

C1608

CH 1H R75B-T-A

C160

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C161

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C162

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C163

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C164

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C165

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C166

4550006660

S.TANTALUM

ECST1CC226R

C167

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C168

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C169

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C170

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C171

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C172

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

 

 

 

 

 

[MAIN UNIT] — UX-910

REF

ORDER

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

 

C173

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C174

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C175

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C176

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C177

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C181

4030009530

S.CERAMIC

C1608

CH 1H 030B-T-A

C182

4030009500

S.CERAMIC

C1608

CH 1H 0R5B-T-A

C183

4030009920

S.CERAMIC

C1608

CH 1H 050B-T-A

C184

4030009510

S.CERAMIC

C1608

CH 1H 010B-T-A

C185

4030009530

S.CERAMIC

C1608

CH 1H 030B-T-A

C186

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C187

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C188

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C190

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C191

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C192

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C193

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C201

4030007020

S.CERAMIC

C1608

CH 1H 120J-T-A

C202

4030006940

S.CERAMIC

C1608

CH 1H 030C-T-A

C203

4030007050

S.CERAMIC

C1608

CH 1H 220J-T-A

C204

4030009510

S.CERAMIC

C1608

CH 1H 010B-T-A

C205

4030007030

S.CERAMIC

C1608

CH 1H 150J-T-A

C206

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C207

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C208

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C209

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C210

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C211

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C212

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C213

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C221

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C222

4030007170

S.CERAMIC

C1608

CH 1H 221J-T-A

C223

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C224

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C225

4030007090

S.CERAMIC

C1608

CH 1H 470J-T-A

C226

4030007130

S.CERAMIC

C1608

CH 1H 101J-T-A

C227

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C228

4030007090

S.CERAMIC

C1608

CH 1H 470J-T-A

C229

4030009910

S.CERAMIC

C1608

CH 1H 040B-T-A

C230

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C232

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C240

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C241

4030009540

S.CERAMIC

C1608

CH 1H 1R5B-T-A

C242

4030009350

S.CERAMIC

C1608

CH 1H 3R5B-T-A

C243

4030009350

S.CERAMIC

C1608

CH 1H 3R5B-T-A

C244

4030009540

S.CERAMIC

C1608

CH 1H 1R5B-T-A

C245

4030007030

S.CERAMIC

C1608

CH 1H 150J-T-A

C246

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C247

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C248

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C250

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C251

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C252

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C255

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C256

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C257

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C258

4030007130

S.CERAMIC

C1608

CH 1H 101J-T-A

C259

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C260

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C261

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C262

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C263

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C264

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C265

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C266

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C267

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C268

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C271

4030009520

S.CERAMIC

C1608

CH 1H 020B-T-A

C273

4030009550

S.CERAMIC

C1608

CH 1H 2R5B-T-A

C274

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C275

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C276

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C277

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C278

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C279

4030009550

S.CERAMIC

C1608

CH 1H 2R5B-T-A

C280

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C281

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C282

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C283

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C284

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C285

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C286

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

 

 

 

 

 

S.=Surface mount

6 - 28

Image 67
Contents Service Manual EUR IntroductionOrdering Parts Repair NotesTable of Contents General SpecificationsReceiver FM if IC SectionInside Views Main and PLL UnitsPA Unit Bottom View TOP ViewPLL IC Opening the transceiver’s case Disassembly and Option InstructionsUX-910 1200MHz Band Unit FL-132/FL-133 CW Narrow Filter Opening the PA unit coverMain SUB UT-106 DSP Unit Installing 1st DSP unit front panel sideInstalling 2nd DSP unit rear panel side UT-102 Voice Synthesizer UnitCR-293 High Stability Crystal Unit Receiver Circuit Circuit DescriptionSquelch Circuit Main Unit 6 10 MHz if Circuit Main UnitDemodulator Circuit Main Unit Squelch Control Circuit Main UnitMeter Circuit Main Unit Transmitter CircuitsNoise Blanker Circuit Main Unit AGC Circuit Main UnitRF Circuit PA Unit Transmit if Amplifier Circuit Main UnitModulation Circuit Main Unit CW Keying Circuit Main UnitPLL Circuits 7 1LO PLL Circuit PLL Circuits8 2LO PLL Circuit ‘ Connections Adjustment ProceduresPreparation Before Sarvicing Required Test EquipmentFrequency Adjustment PLL AdjustmentsPLL and Main Units Receiver Adjustments L354 R360 R547P501 L353Main Band OFF EXTNoise BlankerCP852 L283L22 CP851Transmitter Adjustments R131 R503C659 R138LO Leak If TotalMain Gain GNDR1613 R504R202 CP1613Software Adjustment Meter Software AdjustmentNoise SQL Calibration FilterTX Power HPF OFF DeviationLPF UX-910 Adjustments R13 CP321CP322 C332APC Power SETPre-setting for APC adjustment Front Unit Section Parts ListDisplay Board Resistor ERA3YED VR-A Board Func BoardVR-B Board PLL Unit RIT BoardJack Board MIC BoardResistor ERA3YEB Thermistor Tantalum ECST1AD107R REG BA09T Main UnitDiode 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 BARISTOR-C Board DRV BoardBARISTOR-A Board VARISTOR-B BoardMain Unit UX-910 2UX-910MAIN UnitResistor RGB3L R15 Resister ERA3YED Tantalum ECST1CC226R CH 1H Connectot 25FMN-BTK Chassis Parts Mechanical PartsDisplay Unit Cover PartsUX-910 Unpacking UnpackingUX-910 Chassis Parts UX-910 Main UnitTransistors and FET’S SEMI-CONDUCTOR InformationDTA114 EE TL MA29B DiodesSection 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.