Icom IC-910H service manual Resistor ERJ1TYJ102U

Page 59

[PA UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

 

R585

7030003230

S.RESISTOR

ERJ3GEYJ 180 V (18 )

R586

7030003370

S.RESISTOR

ERJ3GEYJ 271 V (270 )

R587

7030003420

S.RESISTOR

ERJ3GEYJ 681 V (680 )

R588

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R589

7030003280

S.RESISTOR

ERJ3GEYJ 470 V (47 )

R615

7510001160

S.THERMISTOR

NTCCM1608 4LH 473KC

R616

7030006560

S.RESISTOR

RR0816P-223-D (22 k)

R617

7030005980

S.RESISTOR

RR0816P-333-D (33 k)

R631

7030003280

S.RESISTOR

ERJ3GEYJ 470 V (47 )

R641

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R642

7030003680

S.RESISTOR

ERJ3GEYJ 104 V (100 k)

R650

7310004710

TRIMMER

EVN-2AGA00 B23 (202)

R651

7030003400

S.RESISTOR

ERJ3GEYJ 471 V (470 )

R652

7030007360

S.RESISTOR

ERJ1WYJ470U (47 )

R653

7070000381

RESISTOR

ERG2SJ 100 (10 )

R654

7030007360

S.RESISTOR

ERJ1WYJ470U (47 )

R656

7030000200

S.RESISTOR

MCR10EZHJ 33 (330)

R657

7030010240

S.RESISTOR

ERJ1TYJ102U

R658

7030010240

S.RESISTOR

ERJ1TYJ102U

R702

7030003660

S.RESISTOR

ERJ3GEYJ 683 V (68 k)

R703

7030009950

S.RESISTOR

ERJ8GEYJ 681V (680 )

R710

7030000230

S.RESISTOR

MCR10EZHJ 56 (560)

R711

7030000230

S.RESISTOR

MCR10EZHJ 56 (560)

R712

7030000260

S.RESISTOR

MCR10EZHJ 100 (101)

R713

7030000230

S.RESISTOR

MCR10EZHJ 56 (560)

R715

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R716

7030003640

S.RESISTOR

ERJ3GEYJ 473 V (47 k)

R717

7030003400

S.RESISTOR

ERJ3GEYJ 471 V (470 )

R718

7030003400

S.RESISTOR

ERJ3GEYJ 471 V (470 )

R722

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R723

7030000250

S.RESISTOR

MCR10EZHJ 82 (820)

R724

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R725

7030003540

S.RESISTOR

ERJ3GEYJ 682 V (6.8 k)

R726

7030003500

S.RESISTOR

ERJ3GEYJ 332 V (3.3 k)

R731

7030003700

S.RESISTOR

ERJ3GEYJ 154 V (150 k)

R732

7030003440

S.RESISTOR

ERJ3GEYJ 102 V (1 k)

R733

7030003420

S.RESISTOR

ERJ3GEYJ 681 V (680 )

R734

7030003550

S.RESISTOR

ERJ3GEYJ 822 V (8.2 k)

R950

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

R951

7030000340

S.RESISTOR

MCR10EZHJ 470 (471)

R952

7030006070

S.RESISTOR

ERJ12YJ101U (100 )

R953

7030009560

S.RESISTOR

ERJ1WYJ181U

R954

7030003560

S.RESISTOR

ERJ3GEYJ 103 V (10 k)

C2

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C3

4030008360

S.CERAMIC

C1608

UJ 1H 101J-T-A

C4

4030007070

S.CERAMIC

C1608

CH 1H 330J-T-A

C5

4030007070

S.CERAMIC

C1608

CH 1H 330J-T-A

C6

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C7

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C8

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C9

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C10

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C11

4030008300

S.CERAMIC

C1608

UJ 1H 330J-T-A

C12

4030007020

S.CERAMIC

C1608

CH 1H 120J-T-A

C13

4030007030

S.CERAMIC

C1608

CH 1H 150J-T-A

C14

4030007050

S.CERAMIC

C1608

CH 1H 220J-T-A

C15

4030009510

S.CERAMIC

C1608

CH 1H 010B-T-A

C16

4030009510

S.CERAMIC

C1608

CH 1H 010B-T-A

C17

4030006990

S.CERAMIC

C1608

CH 1H 080D-T-A

C18

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C19

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C20

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C22

4030007050

S.CERAMIC

C1608

CH 1H 220J-T-A

C23

4030007070

S.CERAMIC

C1608

CH 1H 330J-T-A

C24

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C25

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C26

4030007070

S.CERAMIC

C1608

CH 1H 330J-T-A

C27

4030011330

S.CERAMIC

C1608

CH 1H 391J-T-A

C28

4030007100

S.CERAMIC

C1608

CH 1H 560J-T-A

C29

4030011330

S.CERAMIC

C1608

CH 1H 391J-T-A

C31

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C32

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C33

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C34

4030007090

S.CERAMIC

C1608

CH 1H 470J-T-A

C35

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C36

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C37

4030007090

S.CERAMIC

C1608

CH 1H 470J-T-A

C38

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C39

4030007090

S.CERAMIC

C1608

CH 1H 470J-T-A

C40

4030007040

S.CERAMIC

C1608

CH 1H 180J-T-A

 

 

 

 

 

[PA UNIT]

REF

ORDER

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

 

C41

4030006980

S.CERAMIC

C1608

CH 1H 070D-T-A

C42

4030007040

S.CERAMIC

C1608

CH 1H 180J-T-A

C43

4030006980

S.CERAMIC

C1608

CH 1H 070D-T-A

C44

4030009520

S.CERAMIC

C1608

CH 1H 020B-T-A

C45

4030009650

S.CERAMIC

C1608

CH 1H 240J-T-A

C46

4030009650

S.CERAMIC

C1608

CH 1H 240J-T-A

C47

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C48

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C49

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C50

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C51

4030007170

S.CERAMIC

C1608

CH 1H 221J-T-A

C52

4030007110

S.CERAMIC

C1608

CH 1H 680J-T-A

C53

4030006980

S.CERAMIC

C1608

CH 1H 070D-T-A

C54

4030007060

S.CERAMIC

C1608

CH 1H 270J-T-A

C55

4030007170

S.CERAMIC

C1608

CH 1H 221J-T-A

C56

4030007170

S.CERAMIC

C1608

CH 1H 221J-T-A

C57

4030007170

S.CERAMIC

C1608

CH 1H 221J-T-A

C58

4030007170

S.CERAMIC

C1608

CH 1H 221J-T-A

C59

4030007110

S.CERAMIC

C1608

CH 1H 680J-T-A

C60

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C61

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C62

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C63

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C64

4030007100

S.CERAMIC

C1608

CH 1H 560J-T-A

C65

4030009530

S.CERAMIC

C1608

CH 1H 030B-T-A

C66

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C67

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C68

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C71

4030007100

S.CERAMIC

C1608

CH 1H 560J-T-A

C72

4030007070

S.CERAMIC

C1608

CH 1H 330J-T-A

C73

4030007100

S.CERAMIC

C1608

CH 1H 560J-T-A

C74

4030007100

S.CERAMIC

C1608

CH 1H 560J-T-A

C75

4030007130

S.CERAMIC

C1608

CH 1H 101J-T-A

C76

4030007100

S.CERAMIC

C1608

CH 1H 560J-T-A

C80

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C81

4030007090

S.CERAMIC

C1608

CH 1H 470J-T-A

C82

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C83

4030007090

S.CERAMIC

C1608

CH 1H 470J-T-A

C84

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C85

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C86

4030007050

S.CERAMIC

C1608

CH 1H 220J-T-A

C87

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C88

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C89

4510007540

ELECTROLYTIC

ECA 1CHG 471

C90

4510007540

ELECTROLYTIC

ECA 1CHG 471

C91

4510007540

ELECTROLYTIC

ECA 1CHG 471

C92

4510007540

ELECTROLYTIC

ECA 1CHG 471

C97

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C98

4030009510

S.CERAMIC

C1608

CH 1H 010B-T-A

C99

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C102

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C103

4510004640

S.ELECTROLYTIC

ECEV1CA470SP

C104

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C106

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C108

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C109

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C110

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C111

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C113

4030008560

S.CERAMIC

C1608

CH 1H 300J-T-A

C114

4030009920

S.CERAMIC

C1608

CH 1H 050B-T-A

C115

4030011050

S.CERAMIC

GRM42-6 CJ 030C 500PT

C116

4030011070

S.CERAMIC

GRM42-6 CH 050C 500PT

C117

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C119

4030009920

S.CERAMIC

C1608

CH 1H 050B-T-A

C120

4030004720

S.CERAMIC

C2012

JB 1H 102K-T-A

C121

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C122

4030007010

S.CERAMIC

C1608

CH 1H 100D-T-A

C123

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C124

4030017200

S.CERAMIC

GHM1030 R 102K 630PT

C125

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C126

4030004710

S.CERAMIC

C2012

JB 1H 471K-T-A

C127

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C128

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C129

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C130

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C131

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C132

4030011160

S.CERAMIC

GRM42-6 CH 150J 500PT

C133

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C134

4510007540

ELECTROLYTIC

ECA 1CHG 471

C135

4030006850

S.CERAMIC

C1608

JB 1H 471K-T-A

C136

4030006860

S.CERAMIC

C1608

JB 1H 102K-T-A

C137

4030017200

S.CERAMIC

GHM1030 R 102K 630PT

 

 

 

 

 

S.=Surface mount

6 - 20

Image 59
Contents Service Manual EUR IntroductionOrdering Parts Repair NotesTable of Contents General SpecificationsReceiver FM if IC SectionInside Views Main and PLL UnitsPA 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 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 8 2LO PLL Circuit PLL Circuits7 1LO 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 LPF DeviationHPF OFF UX-910 Adjustments R13 CP321CP322 C332APC Power SETPre-setting for APC adjustment Display Board Section Parts ListFront Unit Resistor ERA3YED VR-B Board Func BoardVR-A 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.