Icom IC-910H service manual Coil Eljre 15NG-F

Page 57

[PA UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

L71

6200002630

S.COIL

NL 252018T-R10J

L72

6200002840

S.COIL

NL 252018T-R22J

L97

6200005680

S.COIL

ELJRE 15NG-F

L102

6200004960

S.COIL

NL 252018T-R33J

L103

6200008570

S.COIL

LQN21A 6N8D04

L117

6200008910

S.COIL

1812CS-122XKBC

L118

6200008910

S.COIL

1812CS-122XKBC

L122

6200003950

S.COIL

HF50ACC 322513-T

L123

6200007790

S.COIL

LQN21A R15J04

L130

6110001660

COIL

LA-252

L131

2040000490

COIL

EXC-ELDR25C

L132

6110003560

COIL

LA-549

L133

2040000490

COIL

EXC-ELDR25C

L134

2040000490

COIL

EXC-ELDR25C

L151

2040000490

COIL

EXC-ELDR25C

L152

2040000490

COIL

EXC-ELDR25C

L153

6110001620

COIL

LA-245

L154

6110001620

COIL

LA-245

L180

6110000410

COIL

LA-69

L181

6110000410

COIL

LA-69

L182

6200008910

S.COIL

1812CS-122XKBC

L183

6200008910

S.COIL

1812CS-122XKBC

L184

6110001660

COIL

LA-252

L185

6200003950

S.COIL

HF50ACC 322513-T

L186

6200003950

S.COIL

HF50ACC 322513-T

L190

6140002550

S.COIL

B4F-617DB-1010=P3

L191

6140002550

S.COIL

B4F-617DB-1010=P3

L192

6200001980

S.COIL

NL 252018T-1R0J

L194

6200003950

S.COIL

HF50ACC 322513-T

L195

6200005650

S.COIL

ELJRE 8N2Z-F

L196

6200005680

S.COIL

ELJRE 15NG-F

L201

6140003630

S.COIL

LR-404 4KBL

L202

6200001980

S.COIL

NL 252018T-1R0J

L203

6200007000

S.COIL

ELJRE 82NG-F

L205

6200007230

S.COIL

LQN21A 15NJ04

L207

6200001980

S.COIL

NL 252018T-1R0J

L220

6200003380

S.COIL

B4F-617PT-1026=P3

L221

6200001980

S.COIL

NL 252018T-1R0J

L222

6140002550

S.COIL

B4F-617DB-1010=P3

L223

6200002630

S.COIL

NL 252018T-R10J

L224

6200005710

S.COIL

ELJRE 27NG-F

L225

6200005710

S.COIL

ELJRE 27NG-F

L240

6200005690

S.COIL

ELJRE 18NG-F

L241

6200005680

S.COIL

ELJRE 15NG-F

L242

6200001980

S.COIL

NL 252018T-1R0J

L243

6200009350

S.COIL

ELJRE R22G-F3

L244

6200005690

S.COIL

ELJRE 18NG-F

L245

6200005690

S.COIL

ELJRE 18NG-F

L246

6200005660

S.COIL

ELJRE 10NG-F

L247

6200005710

S.COIL

ELJRE 27NG-F

L260

6200009320

S.COIL

C3328A-12NG-A

L261

6200009320

S.COIL

C3328A-12NG-A

L262

6200007230

S.COIL

LQN21A 15NJ04

L263

6200001980

S.COIL

NL 252018T-1R0J

L264

6200009260

S.COIL

C3328A-5N0J-A

L267

6110001660

COIL

LA-252

L268

6200008510

S.COIL

0.30-0.9-4TR 10.5N

L269

6200007700

S.COIL

LQN21A 22NJ04

L280

6150005120

S.COIL

LS-539

L281

6150005120

S.COIL

LS-539

L282

6150005120

S.COIL

LS-539

L283

6150005120

S.COIL

LS-539

L301

6140003630

S.COIL

LR-404 4KBL

L305

6910000670

COIL

BL01RN1-A62-001

L306

6910000670

COIL

BL01RN1-A62-001

L321

6200005670

S.COIL

ELJRE 12NG-F

L381

6200002630

S.COIL

NL 252018T-R10J

L382

6200002640

S.COIL

NL 252018T-R15J

L391

6200005700

S.COIL

ELJRE 22NG-F

L501

6150001480

COIL

LS-164

L502

6150001310

COIL

LS-145 (ºÿ›ït)

L503

6200004790

S.COIL

MLF1608D R47K-T

L504

6200008390

S.COIL

0.25-1.9-9TL

L506

6200001980

S.COIL

NL 252018T-1R0J

L507

6200003280

S.COIL

NL 252018T-2R2J

L510

6200003950

S.COIL

HF50ACC 322513-T

L512

6200003280

S.COIL

NL 252018T-2R2J

L513

6200008390

S.COIL

0.25-1.9-9TL

L514

6200008180

S.COIL

0.25-1.9-10TL 107N

L515

6200008180

S.COIL

0.25-1.9-10TL 107N

L516

6200007700

S.COIL

LQN21A 22NJ04

L517

6200003280

S.COIL

NL 252018T-2R2J

 

 

 

 

[PA UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

L518

6200001980

S.COIL

NL 252018T-1R0J

L519

6200005730

S.COIL

ELJRE 39NG-F

L520

6200005730

S.COIL

ELJRE 39NG-F

L521

6150002200

COIL

LS-228

L522

6200003380

S.COIL

B4F-617PT-1026=P3

L528

6200007790

S.COIL

LQN21A R15J04

L529

6200008090

S.COIL

LQN21A 68NJ04

L533

6200008390

S.COIL

0.25-1.9-9TL

L560

6200008390

S.COIL

0.25-1.9-9TL

L561

6200007230

S.COIL

LQN21A 15NJ04

L581

6200007000

S.COIL

ELJRE 82NG-F

L600

6200005730

S.COIL

ELJRE 39NG-F

L601

6200005740

S.COIL

ELJRE 47NG-F

L620

6200006670

S.COIL

ELJRE 68NG-F

L621

6200005740

S.COIL

ELJRE 47NG-F

L631

6200002840

S.COIL

NL 252018T-R22J

L632

6200002180

S.COIL

NL 252018T-R12J

L641

6200008390

S.COIL

0.25-1.9-9TL

L642

6200008390

S.COIL

0.25-1.9-9TL

L651

2040000490

COIL

EXC-ELDR25C

L652

6170000070

COIL

LW-9

L653

6110001740

COIL

LA-263

L654

6110001740

COIL

LA-263

L655

6110001360

COIL

LA-179

L656

6170000340

COIL

LW-33

L657

6110002060

COIL

LA-300

L658

2040000490

COIL

EXC-ELDR25C

L701

6200003950

S.COIL

HF50ACC 322513-T

L710

6200004740

S.COIL

NL 252018T-1R2J

L711

6200004740

S.COIL

NL 252018T-1R2J

L720

6200008910

S.COIL

1812CS-122XKBC

L721

6110001340

COIL

LA-177

L722

6110001340

COIL

LA-177

L723

6110001330

COIL

LA-176

L950

6200008360

S.COIL

0.25-1.9-13TL

L951

6200008910

S.COIL

1812CS-122XKBC

L952

6200008910

S.COIL

1812CS-122XKBC

R1

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R2

7030003410

S.RESISTOR

ERJ3GEYJ 561 V (560 )

R3

7310002740

S.TRIMMER

RV-150 (RH03A3A14X0FC) 103

R4

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R5

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R6

7030003320

S.RESISTOR

ERJ3GEYJ 101 V (100 )

R8

7030003480

S.RESISTOR

ERJ3GEYJ 222 V (2.2 k)

R9

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R10

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R11

7030003480

S.RESISTOR

ERJ3GEYJ 222 V (2.2 k)

R12

7030004030

S.RESISTOR

ERJ3GEYJ 5R6 V (5.6 )

R13

7030003430

S.RESISTOR

ERJ3GEYJ 821 V (820 )

R14

7030003430

S.RESISTOR

ERJ3GEYJ 821 V (820 )

R27

7030003280

S.RESISTOR

ERJ3GEYJ 470 V (47 )

R28

7030003320

S.RESISTOR

ERJ3GEYJ 101 V (100 )

R30

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R31

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R32

7030003520

S.RESISTOR

ERJ3GEYJ 472 V (4.7 k)

R37

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R38

7030003420

S.RESISTOR

ERJ3GEYJ 681 V (680 )

R39

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R40

7030003500

S.RESISTOR

ERJ3GEYJ 332 V (3.3 k)

R42

7030003400

S.RESISTOR

ERJ3GEYJ 471 V (470 )

R43

7030003200

S.RESISTOR

ERJ3GEYJ 100 V (10 )

R44

7030003400

S.RESISTOR

ERJ3GEYJ 471 V (470 )

R60

7030003480

S.RESISTOR

ERJ3GEYJ 222 V (2.2 k)

R61

7310002670

S.TRIMMER

RV-143 (RH03A3AS2) 471

R62

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R63

7030003410

S.RESISTOR

ERJ3GEYJ 561 V (560 )

R64

7510001250

S.THERMISTOR

NTCCM1608 3NH 471KC

R65

7030003390

S.RESISTOR

ERJ3GEYJ 391 V (390 )

R66

7030003470

S.RESISTOR

ERJ3GEYJ 182 V (1.8 k)

R67

7030003470

S.RESISTOR

ERJ3GEYJ 182 V (1.8 k)

R68

7030003320

S.RESISTOR

ERJ3GEYJ 101 V (100 )

R80

7030003520

S.RESISTOR

ERJ3GEYJ 472 V (4.7 k)

R100

7030003380

S.RESISTOR

ERJ3GEYJ 331 V (330 )

R101

7030003380

S.RESISTOR

ERJ3GEYJ 331 V (330 )

R102

7030003230

S.RESISTOR

ERJ3GEYJ 180 V (18 )

R103

7030003380

S.RESISTOR

ERJ3GEYJ 331 V (330 )

R104

7030003300

S.RESISTOR

ERJ3GEYJ 680 V (68 )

R105

7030003480

S.RESISTOR

ERJ3GEYJ 222 V (2.2 k)

R106

7030003520

S.RESISTOR

ERJ3GEYJ 472 V (4.7 k)

R107

7030003420

S.RESISTOR

ERJ3GEYJ 681 V (680 )

 

 

 

 

S.=Surface mount

6 - 18

Image 57
Contents Service Manual Ordering Parts IntroductionRepair Notes EURTable of Contents General SpecificationsReceiver Inside Views SectionMain and PLL Units 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 Installing 2nd DSP unit rear panel side Installing 1st DSP unit front panel sideUT-102 Voice Synthesizer Unit UT-106 DSP UnitCR-293 High Stability Crystal Unit Receiver Circuit Circuit DescriptionDemodulator Circuit Main Unit 6 10 MHz if Circuit Main UnitSquelch Control Circuit Main Unit Squelch Circuit Main UnitNoise Blanker Circuit Main Unit Transmitter CircuitsAGC Circuit Main Unit Meter Circuit Main UnitModulation Circuit Main Unit Transmit if Amplifier Circuit Main UnitCW Keying Circuit Main Unit RF Circuit PA UnitPLL Circuits PLL Circuits 7 1LO PLL Circuit8 2LO PLL Circuit Preparation Before Sarvicing Adjustment ProceduresRequired Test Equipment ‘ ConnectionsFrequency Adjustment PLL AdjustmentsPLL and Main Units Receiver Adjustments P501 R547L353 L354 R360Noise EXTBlanker Main Band OFFL22 L283CP851 CP852Transmitter Adjustments C659 R503R138 R131Main Gain If TotalGND LO LeakR202 R504CP1613 R1613Software Adjustment Meter Software AdjustmentNoise SQL Calibration FilterTX Power Deviation HPF OFFLPF UX-910 Adjustments CP322 CP321C332 R13APC Power SETPre-setting for APC adjustment Section Parts List Front UnitDisplay Board Resistor ERA3YED Func Board VR-A BoardVR-B Board Jack Board RIT BoardMIC Board PLL UnitResistor 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-A Board DRV BoardVARISTOR-B Board BARISTOR-C BoardMain Unit UX-910 2UX-910MAIN UnitResistor RGB3L R15 Resister ERA3YED Tantalum ECST1CC226R CH 1H Connectot 25FMN-BTK Display Unit Mechanical PartsCover Parts Chassis PartsUX-910 Chassis Parts UnpackingUX-910 Main Unit UX-910 UnpackingTransistors 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.