Icom iF110 Service Manual Download

Page: 33 / 36

11-2 MAIN UNIT

SCK

CIRQ

CCS

GND

DISC

DET

BEEPO

AFONO

OV12

DAST

OPT3

OPT2

OPT1

SIGO

BUSY

R266 47k

R267 27k

R268 10k

R265 18k

R270 100k

R264 68k

R269 100k

R263 1M

R262 1M

R261 1M

R271 100

MIC

CP24

CP23

C311

0.001

SCK

OV12

DAST

CIRQ

CCS

OPT3

REM

OPT2

DISC

OPT1

DET

SIGO

BEEPO

RMUTE

MMUTE

REM

RMUTE

MMUTE
MCIN

MCOT

PTTO

PTTI

BUSY

AFONO

MAIN UNIT (1)

to
Optional
unit

DIM

DAST

OPT3

OPT2

OPT1

PTTO

PTTI

REM

SCK

CIRQ

CCS

MIC

EPTT

BEEP

PWON

GND

TONE

TENC

NOIS

EXOE

EXST

UNLK

PLST

CDEC

SDEC

OV12

RSSI

LVIN

TEMP

BATV

CPU5

AFO

8V
CL0
AFO
PTT
MICE
MIC
GND
CLI

to
mic
jack

CPU5V

P86

P87

OPT1

PWON

GND

OPT2

RES

NMI

GND

DIM

DAST

OPT3

OPT2

OPT1

PTTO

PTTI

REM

SCK

CIRQ

CCS

MIC

EPTT

BEEP

PWON

GND

TONE

TENC

NOIS

EXOE

EXST

UNLK

PLST

CDEC

SDEC

OV12

RSSI

LVIN

TEMP

BATV
NC
NC

CPU5

AFO

FRONT UNIT

R147

R148

R149

R327

R326

R325

R143

R150

R141

C204 47p

C201 0.1

C202 0.1

C207 0.001

C208 0.001

C209 0.001

C210 0.001

C203 0.1

C226

47p

C382

220p

R145 1k

R144 1k

R146 1k

DIM

DAST

OPT3

OPT2

OPT1

PTTO

PTTI

BUSY

EXOE

EXST

REM

PLST

TONE

TENC

NOIS

CDEC

SDEC

CCS

MAIN
UNIT
(2)

PWON

BEEP

EPTT

BATV

C166

0.01

R110
47

C162

0.01

R220
47k

R221
47k

REF

BAL

C163
10

R222
10k

C164

0.01

R219

100k

R314

100k

R315

100k

D21

HVC362

L10

1.8

BUS LINE2

C161
100p

C160

X2
CR-740

R105

47k

D20

MA2S111

R106

82k

C158

100p

R104

1.2k

C156

47p

C157

100p

Q19
2SC4215

C142

0.001

R101

C143

0.001

C141

0.001

R100

10k

10
11
12
13
14
15
16

8
7
6
5
4
3
2
1

CLOCK
DATA
LE
FC
NC
FOUT
P
B

FIN

GND

VCC

OSCOUT

OSCIN

VCC

IC4
MB15A02PFV-1

C152 47P

C153 47P

C154 47P

C151

0.1

R103

150k

C155

270p

C140

0.1

L29
1.8

UNLK

SCK
SO
PLST

C149

0.22

R97
1

R95
220

C146

C138

47p

R89

10k

C147

3.3

R96

2.2k

Q18
2SK880

R92

100k

R91

33k

C132

0.1

R90

47k

LVIN

CP1

C145

330p

C314

0.01

R98

2.2k

C148

Q17
2SC4116

C353

D34

HVC376B

D33

HVC376B

L39
44n

C144

47p

L28
3.3

D31

HVC376B

D16

HVC376B

L38
67n

C376

C360

C355

R99

L27
3.3

L37

C127
15p

L26
92n

C136

C134

10p

C126
33p

R85
3.9k

C114

33p

C115

33p

Q14
2SC4226

R79
1.8k

C116

0.01

C117

470p

C124
270p

L25
67n

C129

D18

1SV239

R86

120k

C131

C133

10p

C123
68p

R84
3.9k

C121

18p

C122

33p

R328
4.7

Q13
2SC4226

R83
1.8k

C119

0.001

C120

470p

Q15
XP1214

EP1

R211

C299

12p

C298

12p

C300
10p

L32
33n

C113
0.75p

C118
0.5p

R316

C357

0.1

TXC

C139

0.1

R77

10k

Q16
DTC144EU

C111

47p

R317

R209

47k

C200
0.1

R210
100K

TEMP

C350
1

C287

R291
100k

0.0033

MOD

C337
0.001

1
2
3
4
5
6
7
8

IC1
TA31136FN

OSCIN
OSCOUT
MIXOUT
VCC
IFIN
DEC
FILOUT
FILIN

MIXIN

GND

N-REC
N-DET

RSSI

IFOUT
QUAD

AFOUT

R44

VCC

220k

C70

120p

R45
150k

R46

2.2k

R42

100k

C68

100p

C71

0.1

FI2

ALFYM450F=K

R40

1.5k

R39
47

C312

0.1

L33

0.82

C307

C305

56p

C306
4p

Q34
2SC4116

Q38
2SC4213

C69

120p

SQIN

R236

1.2k

R237

680k

L35

0.22

C309
0.01

C304
10p

R43

470

C66

0.001

DET

C348

0.001

RSSI

NOIS

C63
47p

C65
0.001

C62
82p

R37

2.7k(N/W)

4.7k(N/M)

C64

0.001

NWC

Q5
DTC144EU

CDBC450CX24

R36

3.9k

R38

100k

C75

C67

0.001

R290

680

R34

100k

C60

0.01

C58

0.001

R33

150

C101

1.5p

R8V

R35

100

C59

0.001

Q4
2SC4215

PTTO

PTTI

IC14
BU4066BCFV

1
2
3
4
5
6
7

14
13
12
11
10
9
8

I/O
O/I
O/I
I/O
CONT.B
CONT.C
VEE

VDD

CONT.A
CONT.D

I/O
O/I
O/I
I/O

IC17
BU4094BCFV

1
2
3
4
5
6
7

16
15
14
13
12
11
10

STR
D
CLK
Q1
Q2
Q3
Q4

VDD

QE
Q5
Q6
Q7
Q8
QS

VSS

TXC

MMUT

R138

100k

C378

0.0012

R117

180k

+
-

12
13

IC16
NJM12902V

R121

47k

R120 10k

R119

5.6k

R118

12k

R114

12k

C169
0.047

C168
0.047

R115

3.9k

R334

470k

C167
0.047

R330
4.7k

R333
100k

R285

100

DISC

CP2

DET

AFSW

DISC

R122
8.2k

R125

100k

R323

22k

R123
100k

C181
0.1

R124

4.7k

C182
0.0056

R129
100

R128

10k

R130

22k

C176

47p

MOD

AFONO

MMUT

MMUTE

EXOE

TMUT

HORNO

BUSY

EXST
SO
SCK
RXC

NWC
RMUTE

BEEPO

AFON

RMUT

R139

100k

RMUT

-
+

2
3

IC5
NJM12904V

R185

120k

R183

220k

C177

0.0056

R184
33k

C178

150p

R186

100k

R187

10k

R188
560

C179

0.1

R135

270k

R134

27k

R133

180k

SIG

C173

0.1

C172

0.0082

R332

33k

C509

0.1

R136

10k

R324
100k

R137

68k

C175

0.001

C359
1

R112

27k

R111

3.3k

R113

2.2k

C180

1
2
3
4
5
6
7
8
9

10
11
12

VIN1
VOUT1
VOUT2
VIN2
VDD
LD
CLK
DI
VIN3
VOUT3
VOUT4
VIN4

VIN8

VOUT8
VOUT7

VIN7
GND

RESET

VDAREF

VIN6

VOUT6
VOUT5

VIN5

IC6
M62363FP-650C

C174

CPU5V

R231
1

C283
0.001

DET

TENC

DAST
SCK
SO

BAL

R215

470

SQIN

REF

AFSW

SCK

CIRQ

R142

RSSI

AFO

CP25

TEMP

LVIN

R126
470

C183

0.1

C361

0.1

C184 680p

R127
39k

IC5

NJM12904V

BUS LINE1

VCC

C310

0.001

C165

0.01

R93
1k

D37
MA2S111

C135

0.001

C356

R80
1k

R78
1k

C297
22p

RXC

V+

GND

IC5
NJM12904V

C248

0.001

C308
3p

0.1

C385

C384

C61
100p

OV12

R116
12k

C170

0.001

TONE

C282

0.1

VCC

C286

0.01

D42

W10

DAP222

D44

MA2S111

D45

MA2S111

D43

DAP222

D51

1SS375

550mVrms
(40mVrms at mic terminal)

5.0V

15.3 MHz
940mVp-p

6.9V

TX: 4.3V
RX: 0V

TX: 0V
RX: 4.3V

3.1V

4.9V

WIDE:1.1V
NARROW:1.3V

4.9V

TX: 0V
RX: 7.2V

WIDE: 5.0V
NARROW: 0V

MEASUREMENT CONDITIONS
VOLTMETER
Amplitude(Oscilloscope) : 100 MHz
Frequency : 155 MHz
Transmission : 25 W

11 - 2

Summary of Contents for iF110

Page 1: ...VHF TRANSCEIVER iF110 iF111 iF121 SERVICE MANUAL...

Page 2: ...0 Bottom cover 10 pieces Addresses are provided on the inside back cover for your convenience REPAIR NOTES 1 Make sure a problem is internal before disassembling the transceiver 2 DO NOT open the tran...

Page 3: ...RES 5 1 PREPARATION 5 1 5 2 PLL ADJUSTMENT 5 4 5 3 SOFTWARE ADJUSTMENT 5 5 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMI CONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS...

Page 4: ...mum 128 channels 50 nominal SO 239 13 6 V DC nominal 13 2 V DC nominal TX 7 0 A at 25 W 14 0 A at 50 W Rx 1200 mA maximum audio 300 mA stand by 30 C to 60 C 22 F to 140 F 25 C to 55 C 150 W 40 H 117 5...

Page 5: ...0F K D A converter IC6 M62363FP 650C IF IC IC1 TA31136FN 1st IF filter FI1 FL 335 Located under side of the point Final FET module IC3 S AV33 CPU 5V regurator IC10 AN78L05M 8V regurator IC9 TA7808F VC...

Page 6: ...8 screws E Remove the filter case F Unscrew the screw G Unsolder 3 points H from the antenna connector Unsolder 4 points I from IC3 E F G H I Lift up the front portion of the main unit and remove it I...

Page 7: ...mixer circuit converts the received signals to a fixed frequency of the 1st IF signal with the PLL output frequency By changing the PLL frequency only the desired frequency will pass through a MCF Mo...

Page 8: ...F signals even when noise squelch is open A portion of the AF signals from the FM IF IC IC1 pin 9 passes through the low pass filter IC16 to remove AF voice signals and is applied to the CTCSS or DTCS...

Page 9: ...he refer ence frequency The PLL output frequency is controlled by the divided ratio N data of a programable divider The PLL circuit contains the TX RX VCO circuit Q13 Q14 The oscillated signal is ampl...

Page 10: ...the key matrix Output ports for 5 2 tone and DTMF signals Input port for the PLL unlock signal from the PLL IC MAIN unit IC4 Input port for the key matrix Output ports for CTCSS DTCS signals Input por...

Page 11: ...for the AF volume control signal R14 High VOL is maximum clockwise Input port for the CTCSS DTCS decod ing signals Input port for the single tone decoding signal Input port for the optional board det...

Page 12: ...the appropriate CD drive e Select Run from the Start menu r Type the setup program name using the full path name then push Enter key ex D CSF100ADJ Setup exe t Follow the prompts y Program group CS F...

Page 13: ...eter DC voltmeter GRADE AND RANGE Output voltage 13 2 V DC Current capacity 15 A or more Measuring range 1 100 W Frequency range 100 300 MHz Impedance 50 SWR Less than 1 2 1 Frequency range 0 1 300 MH...

Page 14: ...00 V CTCSS 174 AEh 3 41 V SQL Lev 0 00h 0 00 AGC 255 FFh 5 00 V CH No 01 RX Freq 136 200000 TX Freq RF Power High Mode Wide Transceiver s connection state Reload adjustment data Receive sensitivity me...

Page 15: ...VOLTAGE 1 2 3 4 Operating freq 174 000 MHz Receiving Output power Low1 Transmitting Operating freq 136 000 MHz Receiving Output power Low1 Transmitting MAIN Connect a digital multi meter or an oscill...

Page 16: ...req 155 000 MHz Output power Low1 IF bandwidth Wide CTCSS 151 4 Hz DTCS code 007 Set the FM deviation meter as HPF OFF LPF 20 kHz De emphasis OFF Detector P P 2 No audio applied to the MIC connector T...

Page 17: ...Receiving Operating freq 136 000 MHz IF bandwidth Wide Connect an SSG to the antenna con nector and set as Frequency 136 000 MHz Level 14 V 84 dBm Modulation 1 kHz Deviation 3 5 kHz N W 2 8 kHz N M R...

Page 18: ...RESISTOR ERJ2GEJ 102 X 1 k R67 7030005050 S RESISTOR ERJ2GEJ 103 X 10 k R68 7030005050 S RESISTOR ERJ2GEJ 103 X 10 k R73 7030005050 S RESISTOR ERJ2GEJ 103 X 10 k R74 7030005050 S RESISTOR ERJ2GEJ 103...

Page 19: ...375BTRF D5 1750000510 S DIODE UM9401F D6 1790000620 S DIODE MA77 TX D7 1790001240 S DIODE MA2S728 TX D8 1750000720 S VARICAP HVC375BTRF D9 1750000710 S VARICAP HVC350BTRF D10 1750000710 S VARICAP HVC3...

Page 20: ...7030003320 S RESISTOR ERJ3GEYJ 101 V 100 R74 7030003690 S RESISTOR ERJ3GEYJ 124 V 120 k R75 7030003690 S RESISTOR ERJ3GEYJ 124 V 120 k R76 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 R77 7030003560 S RES...

Page 21: ...R ERJ3GEYJ 221 V 220 R312 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 k R313 7030003800 S RESISTOR ERJ3GEYJ 105 V 1 M R314 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 k R315 7030003680 S RESISTOR ERJ3GEYJ 1...

Page 22: ...70 S CERAMIC C1608 CH 1H 330J T C127 4030007030 S CERAMIC C1608 CH 1H 150J T C129 4030009510 S CERAMIC C1608 CH 1H 010B T C131 4030009510 S CERAMIC C1608 CH 1H 010B T C132 4030011600 S CERAMIC C1608 J...

Page 23: ...C C1608 JB 1H 102K T C339 4030009550 S CERAMIC C1608 CH 1H 2R5B T C342 4550006410 S TANTALUM ECST1VY334R C343 4030006900 S CERAMIC C1608 JB 1H 103K T C348 4030006860 S CERAMIC C1608 JB 1H 102K T C349...

Page 24: ...C 1046 1 DS11 5030002510 LCD L2 0607TAY 1 EP2 8930059170 LCD contact SRCN 2622 SP N W 1 MP1 8930059110 2622 spring 1 FRONT UNIT ORDER NO REF NO DESCRIPTION QTY J4 6450000140 Connector HSJ0807 01 010 1...

Page 25: ...F FRONT UNIT Unit abbreviations F FRONT UNIT M MAIN UNIT C CHASSIS PARTS EP2 F MP6 C MP7 C MP3 C SP1 F MP4 C MP17 C MP11 C MP7 M MP1 C J1 C MP10 C MP10 M MP1 M MAIN UNIT MP9 M MP11 M MP9 C MP6 M MP2...

Page 26: ...HQ Symbol R25 Symbol AB B E C 2SC4116 BL Symbol LL Symbol QO Symbol R25 Symbol MFO Symbol DAQ Symbol VG Symbol 4L Symbol XY Symbol K1 Symbol UF Symbol U73 Symbol 04 Symbol 26 Symbol H27 Symbol 9H Sym...

Page 27: ...SECTION 9 BOARD LAYOUTS 9 1 FRONT UNIT TOP VIEW 8V 1 to Microphone 7 2 8 J1 AFO MICE GND CLO PTT MIC CLI 9 1...

Page 28: ...40 J2 DIM DAST OPT3 OPT2 OPT1 PTTO PTTI REM SCK SI SO CIRQ CCS MIC EPTT NC BEEP PWON 8V GND GND TONE TENC NOIS EXOE EXST UNLK PLST CDEC SDEC OV12 RSSI LVIN TEMP BATV NC NC 5V CPU5 AFO 1 13 2 14 J3 GN...

Page 29: ...SY NC SIGO OPT1 OPT2 OPT3 GND DAST OV12 OV12 DIM 40 2 39 to FRONT unit J2 1 J2 DAST OPT3 OPT2 OPT1 PTTO PTTI REM SCK SI SO CIRQ CCS MIC EPTT NC BEEP PWON 8V GND GND TONE TENC NOIS EXOE EXST UNLK PLST...

Page 30: ...SP 14 8 1 1 8 16 9 1 7 14 8 7 12 24 1 13 9 4 BOTTOM VIEW MAIN UNIT...

Page 31: ...Q36 DTC144EU Q35 DTC363EK MUTE AF LA4425A IC8 AMP AF TA75S01F IC15 AMP PRE D23 DA221 Q29 DTC114TU Q25 2SD1664 REG T8 TA7808F IC9 REG 8 Q28 XP6501 Q27 2SA1577 REG 5 NJM12902V IC16 HPF HPF ALFYM450F K...

Page 32: ...2 47k SENC2 SENC1 R31 100k SENC0 R30 220k C29 10 11 GND V 4 IC5 NJM12902V C28 0 1 9 10 IC5 NJM12902V 8 C84 47p R44 150k C27 270p C76 0 1 C41 0 001 R43 33k R42 39k C25 0 01 C26 0 1 R41 10k R40 47k R81...

Page 33: ...R209 47k C200 0 1 R210 100K TEMP C350 1 C287 R291 100k 0 0033 MOD F C337 0 001 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 IC1 TA31136FN OSCIN OSCOUT MIXOUT VCC IFIN DEC FILOUT FILIN MIXIN GND N REC N DET...

Page 34: ...R48 180k C81 0 001 C77 0 001 R53 1 R58 100 R10 270k R9 10k C511 0 3p D12 1SS375 50W only 50W only C80 0 1 R52 15k R54 10k 25W 8 2k 50W C78 0 001 R57 10k T2 C74 0 001 C73 1 D28 MA2S728 R55 4 7k C88 0...

Page 35: ......

Page 36: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13911HZ C1 C 2003 Icom Inc...

Search results

Summary of Contents for iF110

Reviews:

Related manuals for iF110

Brands by name

Popular brands

Icom iF110, Service Manual

Search results

Summary of Contents for iF110

Reviews:

Related manuals for iF110

Brands by name

Popular brands