Icom IC-2300H Service Manual Addendum Download

Page: 8 / 41

Feb. 2012

The combination of top side and bottom side of this

• MAIN UNIT
(BOTTOM VIEW)

J1 (CHASSIS)

MP5

MP2

• LOGIC UNIT
(BOTTOM VIEW)

CLONE

PWRON

C5V

+8V

EXTSTB

DATA

PLLCK

PLLSTB

UNLK

MODIN

EXTCK

DASTB

GND

SW5V

DETO

LVIN

NOIS

+8V

GND

SW5V

+8V

GND

SW5V

IDET

HVIN

GND

PLLDATA

VOLOUT

INTSP

EXTSP

EXTDATA

GND

C10

C11

C13

C14

C15

C16

C20

C23

C28

C30

C31

C33

C34

C35

C37

C38

C39

C41

C43

C45

C46

C47

C48

C49

C51

C53

C54

C55

C56

C57

C59

C60

C62

C64

C66

C69

C71

C73

C74

C75

C76

C78

C79

C80

C82

C85

C86

C87

C88

C89

C91

C94

C95

C96

C99

C100

C101

C102

C103

C104

C105

C108

C109

D12

D13

D16

D17

D22

D23

D25

D27

D28

D32

D33

D37

EP1

EP3

EP5

EP6

EP8

IC1

IC3

IC4

IC5

IC6

IC24

IC28

IC29

IC30

Q10

Q11

R10

R12

R14

R15

R16

R17

R18

R19

R21

R24

R25

R27

R28

R29

R31

R32

R34

R35

R36

R37

R39

R41

R45

R47

R48

R49

R50

R51

R53

R56

R57

R58

R59

R60

R64

R67

R69

R70

R72

R73

R74

R76

R78

R79

R80

R81

R82

R84

R85

R87

R90

R93

R95

R99

R103

R104

R105

R108

R114

R133

R134

R137

R519

R554

R558

R559

R561

R562

R563

R566

R567

R568

R569

R572

R573

R574

R575

B-7531C

H10

H15

H25

H30

H40

H50

H55

H60

H65

H70

H75

H85

H90

H100

H105

H110

H115

H120

H125

H130

V10

V15

V20

V25

V30

C10

C11

C15

C19

C22

C23

C24

C27

C29

C31

C33

C34

C35

C36

C37

C39

C40

C41

C43

C45

C46

C51

C52

C53

C54

C56

C58

C60

C61

C62

C64

C66

C69

C78

C80

C81

C82

C85

C86

C87

C88

C89

C90

C92

C93

C94

C95

C96

C99

C100

C101

C102

C103

C104

C105

C106

C112

C113

C117

C122

C123

C124

C125

C130

C131

C132

C135

C140

C141

C143

C144

C151

C156

C157

C162

C165

C166

C167

C170

C171

C174

C175

C177

C187

C189

C190

C191

C192

C193

C194

C195

C196

C199

C200

C201

C202

C205

C208

C209

C213

C221

C224

C227

C229

C232

C236

C238

C242

C247

C249

C250

C251

C256

C258

C261

C262

C270

C276

C279

C287

C291

C292

C295

C296

C298

C299

C300

C303

C304

C306

C307

C308

C314

C315

C322

C333

D10

D11

D12

D13

D17

D22

D23

D26

D27

D33

D34

EP5

FI3

IC1

IC2

IC3

IC6

IC8

IC10

L11

L15

L22

L23

L24

L25

L32

L36

L38

L39

L41

L42

MP3

MP5

Q12

Q13

Q14

Q15

Q16

Q17

Q20

Q23

Q24

Q25

Q27

Q28

Q29

Q32

Q39

R10

R13

R14

R25

R26

R27

R29

R34

R36

R37

R39

R40

R41

R43

R47

R49

R53

R57

R64

R66

R67

R68

R69

R70

R71

R73

R74

R76

R78

R84

R85

R86

R90

R92

R93

R105

R110

R111

R112

R115

R116

R117

R118

R119

R120

R122

R124

R126

R127

R129

R130

R131

R133

R136

R137

R138

R139

R145

R152

R159

R161

R162

R164

R169

R173

R177

R178

R183

R185

R186

R187

R188

R189

R191

R196

R197

R198

R202

R206

R207

R212

R213

R218

R230

R231

R234

H10

H15

H20

H25

H30

H35

H40

H45

H50

H55

H60

H65

H70

H75

H80

H85

H90

H95

H100

H105

H110

H115

H120

V10

V15

V20

V25

V30

V35

V40

V45

V50

V55

V60

V65

V70

Summary of Contents for IC-2300H

Page 1: ...SERVICE MANUAL ADDENDUM CONTENTS PARTS LIST 1 BOARD LAYOUTS 6 VOLTAGE DIAGRAM 8 Feb 2012...

Page 2: ...X 1M B 93 3 8 9 R49 7030005600 S RES ERJ2GEJ 273 X 27K B 32 1 21 7 R50 7030005160 S RES ERJ2GEJ 105 X 1M B 32 9 18 4 R51 7030005530 S RES ERJ2GEJ 100 X 10 B 92 2 10 8 R53 7030007310 S RES ERJ2GEJ 155...

Page 3: ...W M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT IC2 1130011760 S IC CD4094BPWR B 44 3 4 4 IC3 1110007720 S...

Page 4: ...S Surface mount REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT R87 7030005040 S RES ERJ2GEJ 472 X 4 7K T 21 7 39 2 R88 7030005710 S RES ERJ2GEJ 121 X 120 T 23 2 40 8 R89 7030004970 S RES ERJ2GE...

Page 5: ...d on the Top side B Mounted on the Bottom side S Surface mount REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT C90 4030017460 S CER C1005 JB 1H 102K T B 92 4 7 0 C91 4030016930 S CER C1005 JB 1A...

Page 6: ...T 89 0 37 7 C281 4030018940 S CER GRM31A7U2J331JW31D T 98 1 35 9 C282 4030018940 S CER GRM31A7U2J331JW31D T 96 0 35 9 C283 4030018940 S CER GRM31A7U2J331JW31D T 93 7 35 9 C284 4030017460 S CER C1005 J...

Page 7: ...0 C161 C163 C164 C172 C178 C179 C182 C184 C197 C198 C204 C210 C211 C216 C217 C218 C219 C220 C222 C223 C225 C226 C228 C230 C234 C237 C239 C240 C241 C243 C245 C254 C255 C257 C260 C263 C265 C266 C267 C26...

Page 8: ...2 C10 C11 C15 C19 C22 C23 C24 C27 C29 C31 C33 C34 C35 C36 C37 C39 C40 C41 C43 C45 C46 C51 C52 C53 C54 C56 C58 C60 C61 C62 C64 C66 C69 C78 C80 C81 C82 C85 C86 C87 C88 C89 C90 C92 C93 C94 C95 C96 C99 C1...

Page 9: ...R564 100K R565 100K R566 100K R567 100K R568 100K R569 100K C104 0 001 D32 L1SS400 D33 L1SS400 R134 47K C105 0 1 R57 10K C62 0 1 C92 0 0047 C91 0 0047 C90 0 0047 C97 0 0047 C96 0 0047 C95 0 0047 C94 0...

Page 10: ...S 14811XZ C1 Dec 2011 FM TRANSCEIVER...

Page 11: ...S IC TA31136FNG IC 2300H MAIN UNIT 5 pieces 8820001210 Screw 2438 screw IC 2300H Top cover 10 pieces Addresses are provided on the inside back cover for your convenience ORDERING PARTS 1 Make sure tha...

Page 12: ...ANSMITTER CIRCUITS 4 2 4 3 FREQUENCY SYNTHESIZER 4 3 4 4 VOLTAGE DIAGRAMS 4 3 4 5 PORT ALLOCATIONS 4 4 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 FREQUENCY ADJUSTMENT 5 2 5 3 TRANSMIT ADJ...

Page 13: ...W 1 6 H 4 6 D in Weight approximately 1 1 kg 2 4 lb M TRANSMITTER Modulation system Variable reactance frequency mod Output power approximately Max frequency deviation 5 0 kHz Wide 2 5 kHz Narrow Spur...

Page 14: ...2 1 SECTION 2 INSIDE VIEWS LOGIC UNIT CPU IC1 EEPROM IC5 CPU CLOCK X1 SHIFT REGISTER IC30 ANALOG SWITCH IC6 AF LPF HPF IC3 SHIFT REGISTER IC29 ANALOG SWITCH IC28...

Page 15: ...2 2 MAIN UNIT TOP VIEW DRIVE AMP Q26 D A CONVERTER IC5 DISCRIMINATOR X2 2ND IF FILTER For wide mode FI1 TCXO X1 AF POWER AMP IC7 PRE DRIVE AMP Q22 2ND IF FILTER For narrow mode FI2 APC AMP IC9...

Page 16: ...2 3 VCO MAIN UNIT BOTTOM VIEW POWER AMP Q29 5 V REGULATOR IC8 8 V REGULATOR IC6 IF IC IC3 1ST IF FILYER FI3 PLL IC IC1 SHIF REGISTER IC2 AF POWER AMP IC7...

Page 17: ...then re move the top cover from the chassis W2 MAIN UNIT Hex screws DIAL Front panel W2 MAIN UNIT Screws Top cover Chassis W2 FLAT CABLE MAIN UNIT Front panel Chassis 3 CAREFULLY separate the front pa...

Page 18: ...MAIN UNIT MAIN UNIT MAIN UNIT 4 screws 9 screws MAIN UNIT MAIN UNIT MAIN UNIT Chassis 5 Unsolder 3 points at the antenna connector 6 Remove the total of 13 screws from the MAIN UNIT 7 Remove the MAIN...

Page 19: ...in the 46 35 MHz 1st IF sig nal The 1st IF signal is passed through the 1st IF filter FI3 to remove unwanted signals and then applied to the 1st IF AMP Q27 The amplified 1st IF signal is applied to th...

Page 20: ...91 C52 C53 C308 to filter only the noise components approximate ly 30 kHz signals The noise components are rectified by the noise detector resulting in a DC voltage corresponding to the noise level Wh...

Page 21: ...F LO AMP FIL LOOP PLL IC X3 BPF D12 D13 TX AMPs 1st mixer IC10 Q17 Q14 D10 D11 Q13 D7 D9 REF OSC X1 IC1 IF IC MOD TX VCO RX VCO Q28 15 3MHz IC3 FIN Q1 The output signal from each VCO is passed through...

Page 22: ...I 84 SQLV SQL input I 85 VOLV VOL input I 86 MICUD Up down key on the microphone I 87 SD RSSI voltage from the IF IC MAIN UNIT IC3 I 88 TEMP Temperature sensing voltage I 89 IDET TX power AMP current...

Page 23: ...1 500 mV External speaker Input impedance 4 AC millivoltmeter Measuring range 10 mV to 10 V REQUIRED EQUIPMENT CONNECTION 5 1 PREPARATION For TPE All models except TPE For USA Modulation analyzer to...

Page 24: ...N continued ENTERING THE ADJUSTMENT MODE QUITTING THE ADJUSTMENT MODE KEY ASSIGNMENTS FOR THE ADJUSTMENT MODE 1 Turn OFF the power 2 Connect the JIG cable See page 6 1 to the microphone connector 3 Wh...

Page 25: ...and low 1 Transmitting 1 Connect a modulation analyzer to the antenna connector through an attenuator and then set it to HPF OFF LPF 20 kHz 2 Connect an audio generator to the JIG cable and set it to...

Page 26: ...d before S METER And when RX SENSITIVITY is re adjusted S METER must be re adjusted too Receiving 1 Connect an SSG to the antenna connector and set it to Frequency 145 020 MHz 146 020 MHz Level 7 dB 1...

Page 27: ...7 R50 7030005160 S RES ERJ2GEJ 105 X 1M B 32 9 18 4 R51 7030005530 S RES ERJ2GEJ 100 X 10 B 92 2 10 8 R53 7030007310 S RES ERJ2GEJ 155 X 1 5M B 32 5 19 6 R56 7030003660 S RES ERJ3GEYJ 683 V 68K B 35 1...

Page 28: ...005991 S IC MB15A02PFV1 G BND ERE1 B 56 65 16 5 IC2 1130011760 S IC CD4094BPWR B 44 3 4 4 IC3 1110007720 S IC AA32416A SLVJ B 95 9 11 4 IC4 1130007021 S IC TC7S66FU TE85LF T 57 1 17 6 IC5 1110007550 S...

Page 29: ...ted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount REF PARTS DESCRIPTION M H V NO NO LOCATION MAIN UNIT R108 7030004980 S RES ERJ2GEJ 101 X 100 T 26 4 51 5 R109 7030005060...

Page 30: ...S CER C1005 CH 1H 270J T T 22 0 42 9 C135 4030018900 S CER C1005 JB 0J 474K T B 18 3 4 1 M Mounted side T Mounted on the Top side B Mounted on the Bottom side S Surface mount REF PARTS DESCRIPTION M H...

Page 31: ...4030017390 S CER C1005 CH 1H 180J T T 108 8 26 9 C303 4030011020 S CER GRM31M4C2H1R0CY21L GRM42 6 CK B 103 4 47 8 C304 4030007020 S CER C1608 CH 1H 120J T B 99 4 49 4 C305 4030011050 S CER GRM31M3C2H3...

Page 32: ...8930083840 3251 2 KEY 1 MP4 8930083850 3251 7 KEY 1 MP5 8930084140 3251 LCD FILTER 1 MP6 8810008761 PHBT M2 X 8 NI ZC3 4 MP7 8930083870 3251 LCD PLATE 1 MP8 8610014400 KNOB N 400 1 MP9 8610014410 KNO...

Page 33: ...MP5 L EP9 L DS1 L LOGIC UNIT MP7 L MP6 L x4 MP2 CH MP7 CH x8 SP1 CH J1 CH MAIN UNIT MP4 CH W1 M W6 M W1 M MP6 CH MP1 CH W1 CH MP8 L MP1 L MP11 L MP9 L MP8 CH MP4 L Viewing from the rear MP3 CH MP6 CH...

Page 34: ...63 C164 C172 C178 C179 C182 C184 C197 C198 C204 C210 C211 C216 C217 C218 C219 C220 C222 C223 C225 C226 C228 C230 C234 C237 C239 C240 C241 C243 C245 C254 C255 C257 C260 C263 C265 C266 C267 C269 C271 C2...

Page 35: ...R40 R41 R43 R47 R49 R53 R57 R64 R66 R67 R68 R69 R70 R71 R73 R74 R76 R78 R84 R85 R86 R90 R92 R93 R105 R110 R111 R112 R115 R116 R117 R118 R119 R120 R122 R124 R126 R127 R129 R130 R131 R133 R136 R137 R13...

Page 36: ...P PAHV IDET CPU A D T2_APC D A TXMUTE EXP T8V Q21 SQLATT D A T3_REF_V D A T1_ID D A T2_APC D A R5V T8V R5V SW5V PWRON CPU VCO REG VCO8 T8C EXP Q5 D4 RXC EXP VCO8 VCOR8 VCOT8 SHIFT EXP LOOP SW PLLSW EX...

Page 37: ...K R565 100K R566 100K R567 100K R568 100K R569 100K C104 0 001 D32 L1SS400 D33 L1SS400 R134 47K C105 0 1 R57 10K C62 0 1 C92 0 0047 C91 0 0047 C90 0 0047 C97 0 0047 C96 0 0047 C95 0 0047 C94 0 0047 C6...

Page 38: ...MIXI C69 100P C68 0 001 C49 0 1 IC1 MB15A02PFV1 G BND ERE1 1 OSCIN 2 OSCOUT 3 VP 4 VCC 5 DO 6 GND 7 LD 8 FIN 9 CLOCK 10 DATA 11 LE 12 FC 13 NC 14 FOUT 15 P 16 B D11 HVC375B E R16 10K D2 1SS390 R11 1K...

Page 39: ...0B E D29 HVU131 E C236 82P C277 0 001 R102 68 L26 AS080440 22N R195 ERJ12 JPW C278 4P C267 0 001 C257 0 001 R133 68 C165 10 R153 3 9K C241 15P C194 0 01 C315 120P C172 0 001 R135 27K C258 0 001 R202 0...

Page 40: ...454 7619 Glenwood Centre 150 6165 Highway 17 Delta B C V4K 5B8 Canada Phone 1 604 952 4266 Fax 1 604 952 0090 URL http www icomcanada com E mail info icomcanada com Unit 1 103 Garden Road Clayton VIC...

Page 41: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14811XZ C1 2011 Icom Inc...

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