Icom IC-910H service manual Resistor ERA3YED

Page 41

[DISPLAY BOARD]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

R57

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R58

7030003590

S.RESISTOR

ERJ3GEYJ 183 V (18 k)

R59

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R60

7030003480

S.RESISTOR

ERJ3GEYJ 222 V (2.2 k)

R61

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R66

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R67

7030003480

S.RESISTOR

ERJ3GEYJ 222 V (2.2 k)

R68

7030003430

S.RESISTOR

ERJ3GEYJ 821 V (820 )

R69

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R70

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R71

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R72

7030003480

S.RESISTOR

ERJ3GEYJ 222 V (2.2 k)

R73

7030003430

S.RESISTOR

ERJ3GEYJ 821 V (820 )

R74

7030000340

S.RESISTOR

MCR10EZHJ 470 (471)

R75

7030000330

S.RESISTOR

MCR10EZHJ 390 (391)

R76

7030000340

S.RESISTOR

MCR10EZHJ 470 (471)

R77

7030000330

S.RESISTOR

MCR10EZHJ 390 (391)

R78

7030003840

S.RESISTOR

ERJ3GEYJ 225 V (2.2 M)

R79

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R80

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R81

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R82

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R83

7030003450

S.RESISTOR

ERJ3GEYJ 122 V (1.2 k)

R87

7030000270

S.RESISTOR

MCR10EZHJ 120 (121)

R88

7030000270

S.RESISTOR

MCR10EZHJ 120 (121)

R90

7030000140

S.RESISTOR

MCR10EZHJ 10 (100)

R91

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R92

7030003630

S.RESISTOR

ERJ3GEYJ 393 V (39 k)

R93

7030003550

S.RESISTOR

ERJ3GEYJ 822 V (8.2 k)

R94

7030003570

S.RESISTOR

ERJ3GEYJ 123 V (12 k)

R95

7030003400

S.RESISTOR

ERJ3GEYJ 471 V (470 )

R96

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R97

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R98

7030003410

S.RESISTOR

ERJ3GEYJ 561 V (560 )

R100

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R101

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R102

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R103

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R104

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R105

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R106

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R107

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R108

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R109

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R110

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R111

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R112

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R113

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R114

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R115

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R116

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R117

7030006100

S.RESISTOR

RR0816P-183-D (18 k)

R118

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R123

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R124

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R125

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R126

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R127

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R128

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R129

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R130

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R131

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R132

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R133

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R134

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R135

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R136

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R137

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R138

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R139

7030003800

S.RESISTOR

ERJ3GEYJ 105 V (1 M)

R140

7030006100

S.RESISTOR

RR0816P-183-D (18 k)

R141

7030003800

S.RESISTOR

ERJ3GEYJ 105 V (1 M)

R150

7030006100

S.RESISTOR

RR0816P-183-D (18 k)

R151

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R152

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R153

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R154

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R155

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R156

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R157

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R158

7030004050

S.RESISTOR

ERJ3GEYJ 1R0 V (1 )

R159

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

 

 

 

 

[DISPLAY BOARD]

REF

ORDER

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

R160

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R161

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R162

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R163

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R164

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R165

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R166

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R167

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R168

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R169

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R170

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R171

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R172

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R173

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R174

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R175

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R176

7030006100

S.RESISTOR

RR0816P-183-D (18 k)

R178

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R179

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R180

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R181

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R182

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R183

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R184

7030003360

S.RESISTOR

ERJ3GEYJ 221 V (220 )

R185

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R186

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R187

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R188

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R189

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R190

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)]

R201

7030000040

S.RESISTOR

MCR10EZHJ 1.5 (1R5)

R202

7030000040

S.RESISTOR

MCR10EZHJ 1.5 (1R5)

R203

7030006601

S.RESISTOR

ERA3YED 272V

R204

7030006091

S.RESISTOR

ERA3YED 822V

R205

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

C1

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C2

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C3

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C4

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C5

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C6

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C11

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C12

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C13

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C14

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C15

4030008890

S.CERAMIC

C1608

JB 1C 273K-T-A

C16

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C17

4030007020

S.CERAMIC

C1608

CH 1H 120J-T-A

C18

4030007020

S.CERAMIC

C1608

CH 1H 120J-T-A

C19

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C20

4030007130

S.CERAMIC

C1608

CH 1H 101J-T-A

C21

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C22

4030007130

S.CERAMIC

C1608

CH 1H 101J-T-A

C23

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C24

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C25

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C27

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C29

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C30

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C31

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C32

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C33

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C34

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C36

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C37

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C38

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C39

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C40

4510006260

S.ELECTROLYTIC

ECEV1AA471UP

C41

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C42

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C46

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C47

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C48

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C49

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C50

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C51

4510004630

S.ELECTROLYTIC

ECEV1CA100SR

C52

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C53

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C54

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C55

4510006220

S.ELECTROLYTIC

ECEV1CA101UP

 

 

 

 

 

S.=Surface mount

6 - 2

Image 41
Contents Service Manual Ordering Parts IntroductionRepair Notes EURTable of Contents General SpecificationsReceiver Inside Views SectionMain 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 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 8 2LO PLL Circuit PLL Circuits7 1LO 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 LPF DeviationHPF OFF UX-910 Adjustments CP322 CP321C332 R13APC Power SETPre-setting for APC adjustment Display Board Section Parts ListFront Unit Resistor ERA3YED VR-B Board Func BoardVR-A 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.