Icom IC-910H service manual Resistor ERA3YEB

Page 44

[PLL UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

L424

6200005720

S.COIL

ELJRE 33NG-F

L425

6200005700

S.COIL

ELJRE 22NG-F

L471

6200005010

S.COIL

NL 252018T-100J

L473

6200005720

S.COIL

ELJRE 33NG-F

L474

6200001830

S.COIL

NL 322522T-100J

L511

6200001830

S.COIL

NL 322522T-100J

L541

6200004950

S.COIL

NL 252018T-1R8J

L551

6150005090

S.COIL

LS-536

L552

6150005090

S.COIL

LS-536

L553

6200002180

S.COIL

NL 252018T-R12J

L599

6200005010

S.COIL

NL 252018T-100J

L601

6200003660

S.COIL

NL 252018T-R68J

L602

6200002610

S.COIL

NL 252018T-R47J

L604

6200002000

S.COIL

NL 252018T-3R3J

L700

6200005010

S.COIL

NL 252018T-100J

L701

6200003660

S.COIL

NL 252018T-R68J

L702

6200002610

S.COIL

NL 252018T-R47J

L704

6200002000

S.COIL

NL 252018T-3R3J

R8

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R9

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R10

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R11

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R12

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R13

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R14

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R19

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R101

7030007230

S.RESISTOR

ERA3YED 102V

R102

7030007230

S.RESISTOR

ERA3YED 102V

R103

7030007230

S.RESISTOR

ERA3YED 102V

R104

7030007230

S.RESISTOR

ERA3YED 102V

R105

7030007230

S.RESISTOR

ERA3YED 102V

R106

7030007230

S.RESISTOR

ERA3YED 102V

R107

7030007210

S.RESISTOR

ERA3YEB 102V

R108

7030007210

S.RESISTOR

ERA3YEB 102V

R109

7030007210

S.RESISTOR

ERA3YEB 102V

R110

7030007210

S.RESISTOR

ERA3YEB 102V

R111

7030007210

S.RESISTOR

ERA3YEB 102V

R112

7030007220

S.RESISTOR

ERA3YED 202V

R113

7030007220

S.RESISTOR

ERA3YED 202V

R114

7030007220

S.RESISTOR

ERA3YED 202V

R115

7030007220

S.RESISTOR

ERA3YED 202V

R116

7030007220

S.RESISTOR

ERA3YED 202V

R117

7030007220

S.RESISTOR

ERA3YED 202V

R118

7030007220

S.RESISTOR

ERA3YED 202V

R119

7030007220

S.RESISTOR

ERA3YED 202V

R120

7030007200

S.RESISTOR

ERA3YEB 202V

R121

7030007200

S.RESISTOR

ERA3YEB 202V

R122

7030007200

S.RESISTOR

ERA3YEB 202V

R123

7030007200

S.RESISTOR

ERA3YEB 202V

R124

7030007200

S.RESISTOR

ERA3YEB 202V

R125

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R126

7030003340

S.RESISTOR

ERJ3GEYJ 151 V (150 )

R127

7030003800

S.RESISTOR

ERJ3GEYJ 105 V (1 M)

R129

7030003320

S.RESISTOR

ERJ3GEYJ 101 V (100 )

R130

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R131

7030003800

S.RESISTOR

ERJ3GEYJ 105 V (1 M)

R132

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R133

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R134

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R135

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R136

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R137

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R138

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R139

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R140

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R160

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R161

7030004050

S.RESISTOR

ERJ3GEYJ 1R0 V (1 )

R162

7030004050

S.RESISTOR

ERJ3GEYJ 1R0 V (1 )

R163

7030003320

S.RESISTOR

ERJ3GEYJ 101 V (100 )

R164

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R165

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R166

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R167

7030003320

S.RESISTOR

ERJ3GEYJ 101 V (100 )

R168

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R169

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R170

7030003840

S.RESISTOR

ERJ3GEYJ 225 V (2.2 M)

R171

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R172

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R181

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R191

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

 

 

 

 

[PLL UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

R192

7030003280

S.RESISTOR

ERJ3GEYJ 470 V (47 )

R193

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R194

7030003620

S.RESISTOR

ERJ3GEYJ 333 V (33 k)

R195

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R211

7030003220

S.RESISTOR

ERJ3GEYJ 150 V (15 )

R212

7030003300

S.RESISTOR

ERJ3GEYJ 680 V (68 )

R213

7030003220

S.RESISTOR

ERJ3GEYJ 150 V (15 )

R252

7030003340

S.RESISTOR

ERJ3GEYJ 151 V (150 )

R253

7030003270

S.RESISTOR

ERJ3GEYJ 390 V (39 )

R254

7030003340

S.RESISTOR

ERJ3GEYJ 151 V (150 )

R261

7030003320

S.RESISTOR

ERJ3GEYJ 101 V (100 )

R262

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R263

7030003380

S.RESISTOR

ERJ3GEYJ 331 V (330 )

R267

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R268

7030003350

S.RESISTOR

ERJ3GEYJ 181 V (180 )

R271

7030003400

S.RESISTOR

ERJ3GEYJ 471 V (470 )

R272

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R273

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R274

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R275

7030003370

S.RESISTOR

ERJ3GEYJ 271 V (270 )

R276

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R277

7030003230

S.RESISTOR

ERJ3GEYJ 180 V (18 )

R278

7030003370

S.RESISTOR

ERJ3GEYJ 271 V (270 )

R281

7030003320

S.RESISTOR

ERJ3GEYJ 101 V (100 )

R282

7030003620

S.RESISTOR

ERJ3GEYJ 333 V (33 k)

R301

7030007230

S.RESISTOR

ERA3YED 102V

R302

7030007230

S.RESISTOR

ERA3YED 102V

R303

7030007230

S.RESISTOR

ERA3YED 102V

R304

7030007230

S.RESISTOR

ERA3YED 102V

R305

7030007230

S.RESISTOR

ERA3YED 102V

R306

7030007230

S.RESISTOR

ERA3YED 102V

R307

7030007210

S.RESISTOR

ERA3YEB 102V

R308

7030007210

S.RESISTOR

ERA3YEB 102V

R309

7030007210

S.RESISTOR

ERA3YEB 102V

R310

7030007210

S.RESISTOR

ERA3YEB 102V

R311

7030007210

S.RESISTOR

ERA3YEB 102V

R312

7030007220

S.RESISTOR

ERA3YED 202V

R313

7030007220

S.RESISTOR

ERA3YED 202V

R314

7030007220

S.RESISTOR

ERA3YED 202V

R315

7030007220

S.RESISTOR

ERA3YED 202V

R316

7030007220

S.RESISTOR

ERA3YED 202V

R317

7030007220

S.RESISTOR

ERA3YED 202V

R318

7030007220

S.RESISTOR

ERA3YED 202V

R319

7030007220

S.RESISTOR

ERA3YED 202V

R320

7030007200

S.RESISTOR

ERA3YEB 202V

R321

7030007200

S.RESISTOR

ERA3YEB 202V

R322

7030007200

S.RESISTOR

ERA3YEB 202V

R323

7030007200

S.RESISTOR

ERA3YEB 202V

R324

7030007200

S.RESISTOR

ERA3YEB 202V

R325

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R326

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R327

7030003800

S.RESISTOR

ERJ3GEYJ 105 V (1 M)

R330

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R331

7030003800

S.RESISTOR

ERJ3GEYJ 105 V (1 M)

R332

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R333

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R334

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R335

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R336

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R337

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R338

7030003340

S.RESISTOR

ERJ3GEYJ 151 V (150 )

R339

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R340

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R341

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R361

7030003320

S.RESISTOR

ERJ3GEYJ 101 V (100 )

R362

7030003550

S.RESISTOR

ERJ3GEYJ 822 V (8.2 k)

R363

7030003550

S.RESISTOR

ERJ3GEYJ 822 V (8.2 k)

R364

7030003340

S.RESISTOR

ERJ3GEYJ 151 V (150 )

R365

7030003340

S.RESISTOR

ERJ3GEYJ 151 V (150 )

R366

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R367

7030003320

S.RESISTOR

ERJ3GEYJ 101 V (100 )

R368

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R369

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R370

7030003840

S.RESISTOR

ERJ3GEYJ 225 V (2.2 M)

R381

7030003400

S.RESISTOR

ERJ3GEYJ 471 V (470 )

R391

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R392

7030003380

S.RESISTOR

ERJ3GEYJ 331 V (330 )

R393

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R394

7030003620

S.RESISTOR

ERJ3GEYJ 333 V (33 k)

R397

7030003340

S.RESISTOR

ERJ3GEYJ 151 V (150 )

R425

7030003300

S.RESISTOR

ERJ3GEYJ 680 V (68 )

R426

7030003340

S.RESISTOR

ERJ3GEYJ 151 V (150 )

 

 

 

 

S.=Surface mount

6 - 5

Image 44
Contents Service Manual Introduction Ordering PartsRepair Notes EURTable of Contents Specifications GeneralReceiver Section Inside ViewsMain and PLL Units FM if ICPA Unit PLL IC TOP ViewBottom View UX-910 1200MHz Band Unit Disassembly and Option InstructionsOpening the transceiver’s case Main SUB Opening the PA unit coverFL-132/FL-133 CW Narrow Filter Installing 1st DSP unit front panel side Installing 2nd DSP unit rear panel sideUT-102 Voice Synthesizer Unit UT-106 DSP UnitCR-293 High Stability Crystal Unit Circuit Description Receiver Circuit6 10 MHz if Circuit Main Unit Demodulator Circuit Main UnitSquelch Control Circuit Main Unit Squelch Circuit Main UnitTransmitter Circuits Noise Blanker Circuit Main UnitAGC Circuit Main Unit Meter Circuit Main UnitTransmit if Amplifier Circuit Main Unit Modulation Circuit Main UnitCW Keying Circuit Main Unit RF Circuit PA UnitPLL Circuits 8 2LO PLL Circuit PLL Circuits7 1LO PLL Circuit Adjustment Procedures Preparation Before SarvicingRequired Test Equipment ‘ ConnectionsPLL Adjustments Frequency AdjustmentPLL and Main Units Receiver Adjustments R547 P501L353 L354 R360EXT NoiseBlanker Main Band OFFL283 L22CP851 CP852Transmitter Adjustments R503 C659R138 R131If Total Main GainGND LO LeakR504 R202CP1613 R1613Software Adjustment Software Adjustment MeterNoise SQL Filter CalibrationTX Power LPF DeviationHPF OFF UX-910 Adjustments CP321 CP322C332 R13Power SET APCPre-setting for APC adjustment Display Board Section Parts ListFront Unit Resistor ERA3YED VR-B Board Func BoardVR-A Board RIT Board Jack BoardMIC 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 DRV Board BARISTOR-A BoardVARISTOR-B Board BARISTOR-C Board2UX-910MAIN Unit Main Unit UX-910Resistor RGB3L R15 Resister ERA3YED Tantalum ECST1CC226R CH 1H Connectot 25FMN-BTK Mechanical Parts Display UnitCover Parts Chassis PartsUnpacking UX-910 Chassis PartsUX-910 Main Unit 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.