Icom IC-910H service manual Main Unit, REG BA09T

Page 47

[PLL UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

 

 

C705

4030007160

S.CERAMIC

C1608

CH 1H 181J-T-A

C708

4030007110

S.CERAMIC

C1608

CH 1H 680J-T-A

C709

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C710

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C711

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C713

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C714

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C715

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C716

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C717

4030006900

S.CERAMIC

C1608

JB 1E 103K-T-A

C718

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C719

4550006700

S.TANTALUM

ECST1AY106R

C720

4030007130

S.CERAMIC

C1608

CH 1H 101J-T-A

C721

4030007130

S.CERAMIC

C1608

CH 1H 101J-T-A

J1

6510022540

S.CONNECTOR

20FMN-BMTTR-A-TBT

J541

6510007020

CONNECTOR

TMP-J01X-V6

W603

7030003860

S.JUMPER

ERJ3GE JPW V

W703

7030003860

S.JUMPER

ERJ3GE JPW V

WS1

8970023740

E.OTHER

SX2355 1.5D COAXIAL TUBE (1)/PL

WS2

8970023750

E.OTHER

SX2355 1.5D COAXIAL TUBE (1)/PL

WS3

8970023760

E.OTHER

SX2355 0.8D COAXIAL TUBE (1)/PL

WS4

8970023770

E.OTHER

SX2355 0.8D COAXIAL TUBE (2)/PL

EP1

0910052695

PCB

B 5464E

 

 

 

 

 

[MAIN UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

IC101

1110003140

IC

LA1150N

IC201

1110004840

S.IC

NJM1496V-TE1

IC351

1110004870

S.IC

TA4101F (TE12L)

IC401

1110003490

S.IC

TA31136FN (D,EL)

IC451

1110003870

S.IC

NJM2058M-T1

IC452

1130008230

S.IC

BU4053BCFV-E2

IC701

1110003140

IC

LA1150N

IC801

1180002040

REG

BA09T

IC803

1110002020

IC

TA7805S

IC851

1110004870

S.IC

TA4101F (TE12L)

IC951

1110003490

S.IC

TA31136FN (D,EL)

IC1001

1110003870

S.IC

NJM2058M-T1

IC1002

1130008230

S.IC

BU4053BCFV-E2

IC1101

1130007040

S.IC

TC7W32F (TE12L)

IC1451

1130007570

S.IC

BU4094BCFV-E2

IC1461

1130007570

S.IC

BU4094BCFV-E2

IC1471

1130007570

S.IC

BU4094BCFV-E2

IC1481

1130007570

S.IC

BU4094BCFV-E2

IC1491

1130007570

S.IC

BU4094BCFV-E2

IC1511

1130007570

S.IC

BU4094BCFV-E2

IC1521

1110004310

S.IC

M62352GP 75EC

IC1522

1110003870

S.IC

NJM2058M-T1

IC1531

1130008230

S.IC

BU4053BCFV-E2

IC1551

1130008230

S.IC

BU4053BCFV-E2

IC1552

1130008230

S.IC

BU4053BCFV-E2

IC1601

1110003870

S.IC

NJM2058M-T1

IC1651

1110005240

S.IC

NJM4565M-T1

IC1652

1110003870

S.IC

NJM2058M-T1

IC1653

1130008230

S.IC

BU4053BCFV-E2

IC1654

1110005240

S.IC

NJM4565M-T1

IC1701

1140005280

S.IC

µPC5023GS-077-E1

IC1801

1130008230

S.IC

BU4053BCFV-E2

IC1802

1130008230

S.IC

BU4053BCFV-E2

IC1803

1190000350

S.IC

M62363FP-650C

IC1804

1110003870

S.IC

NJM2058M-T1

IC1806

1130008230

S.IC

BU4053BCFV-E2

IC1807

1110003870

S.IC

NJM2058M-T1

IC1808

1110003300

S.IC

M5282FP 70CD

IC1809

1110003300

S.IC

M5282FP 70CD

IC1852

1110002540

IC

LA4445

Q1

1580000540

S.FET

3SK131-T2-LA

Q21

1590000430

S.TRANSISTOR

DTC144EUA T106

Q22

1590000680

S.TRANSISTOR

DTC114EUA T106

Q51

1580000540

S.FET

3SK131-T2-LA

Q52

1530002690

S.TRANSISTOR

2SC4116-GR (TE85R)

Q101

1560000560

S.FET

2SK882-GR (TE85L)

Q102

1560000560

S.FET

2SK882-GR (TE85L)

Q103

1590001650

S.TRANSISTOR

XP4601 (TX)

Q105

1530002690

S.TRANSISTOR

2SC4116-GR (TE85R)

Q106

1590000430

S.TRANSISTOR

DTC144EUA T106

Q107

1590001660

S.TRANSISTOR

XP4312 (TX)

Q151

1590001660

S.TRANSISTOR

XP4312 (TX)

Q152

1590001660

S.TRANSISTOR

XP4312 (TX)

Q153

1590001660

S.TRANSISTOR

XP4312 (TX)

Q201

1590000430

S.TRANSISTOR

DTC144EUA T106

Q251

1590001660

S.TRANSISTOR

XP4312 (TX)

Q252

1510000770

S.TRANSISTOR

2SA1586-GR (TE85R)

Q253

1590000670

S.TRANSISTOR

FMW1 T148

Q254

1530002690

S.TRANSISTOR

2SC4116-GR (TE85R)

Q271

1590001650

S.TRANSISTOR

XP4601 (TX)

Q301

1530002690

S.TRANSISTOR

2SC4116-GR (TE85R)

Q302

1590001660

S.TRANSISTOR

XP4312 (TX)

Q303

1590001660

S.TRANSISTOR

XP4312 (TX)

Q304

1590001660

S.TRANSISTOR

XP4312 (TX)

Q305

1530002690

S.TRANSISTOR

2SC4116-GR (TE85R)

Q350

1530002690

S.TRANSISTOR

2SC4116-GR (TE85R)

Q351

1580000540

S.FET

3SK131-T2-LA

Q352

1580000540

S.FET

3SK131-T2-LA

Q402

1590001660

S.TRANSISTOR

XP4312 (TX)

Q404

1560000840

S.FET

2SK1829 (TE85R)

Q405

1590001650

S.TRANSISTOR

XP4601 (TX)

Q406

1560000840

S.FET

2SK1829 (TE85R)

Q407

1550000010

S.FET

2SJ364-Q (TX)

Q651

1580000540

S.FET

3SK131-T2-LA

Q652

1530002690

S.TRANSISTOR

2SC4116-GR (TE85R)

Q701

1560000560

S.FET

2SK882-GR (TE85L)

Q702

1560000560

S.FET

2SK882-GR (TE85L)

Q703

1590001650

S.TRANSISTOR

XP4601 (TX)

Q705

1530002690

S.TRANSISTOR

2SC4116-GR (TE85R)

Q706

1590000430

S.TRANSISTOR

DTC144EUA T106

 

 

 

 

S.=Surface mount

6 - 8

Image 47
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.