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BOTTOM VIEW

C16

C14

C6

C176

L3

C5

C175

C8

L6

C2

L7

C18

C19

C17

C25

L31

C22

C29

C28

L9

L8

D8

D4

C26

C20

D5

MP1

L1

S2

S1

R20

C40

C48

L12

R29

C50

R31

C53

C54

C55

R32

FI1

Q16

C56

C91

C160

C58

R221

C265

Q28

C306

R223

C307

C75

C264

C237

C309

1

C15

C10

C9

R224

C312

C227

C326

C228

L5

D1

C12

C230

C229

C172

L17

L20

C169

R39

C167

C67

C313

R225

R252

R284

R179

R187

C339

C340

R292

R291

R254

R255

D28

C341

C344

R251

C289

R160

C222

C287

C160

X3

C346

C345

R238

C51

L13

C52

R30

Q3

R28

C41

R26

R27

C49

S3

R107

C209

C208

L32

C207

C206

C141

R100

C143

R101

C135

Q18

R89

R95

R97

D18

R113

C202

C203

C138

C205

L23

R76

R70

C109

Q11

C111

R25

C44

C106

C45

C39

R17

T5V

Q2

R15

D6

S1

+5

R5V

R69

C100

R75

C103

Q15

R77

C139

R80

EP4

L27

L43

C146

L42

R96

R302

R304

R306

R301

Q40

Q39

R303

R305

L28

C60

R33

R40

C335

R34

IC1

C188

C63

C65

C244

R144

C62

R42

C71

C69

R44

C266

C311

MP1

R10

C73

C82

C81

C13

L16

S5V

IC9

C226

C225

J2

R226

C317

C174

C11

R1

L4

C7

D2

C4

L2

C3

R51

R295

C32

C33

R16

C37

C38

D9

D10

L11

C36

L10

R222

J3

C68

Q29

D26

C255

C223

R234

R236

D29

D27

R235

C321

C342

IC15

C343

T

M

R

DISC

1

11

5

30

16

R220

J4

R

R276

R277

R271

R212

R273

R275

R278

R274

R183

C288

R185

R184

C286

MIC

R280

PTT

M

R110

R43

C66

R45

R46

C70

R48

R35

C59

C61

Q4

C132

R90

R92

R91

R86

R88

R87

C105

C147

C149

C110

15

1

 OPV1
 OPV2
 DAST
 GND
 OPT3
 OPT2
 OPT1
 SIGO
 NMI
 BUSY
 RES
 MCIN
 MCOT
 PTT
 PTTI

16

30

 SCK
 SI
 SO
 CIRQ
 CCS
 CP10
 DISC
 DET
 CP11
 BEEPO
 AFONO
 CP12
 VCC
 +5V
 GND

J4

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BOTOM VIEW

BOTOM VIEW

Summary of Contents for IC-F14

Page 1: ...SERVICE MANUAL VHF TRANSCEIVERS iC f14 iC f14s iC f15 iC f15s...

Page 2: ...back cover for your convenience 1 Make sure the problem is internal before disassembling the transceiver 2 DO NOT open the transceiver until the transceiver is disconnected from its power source 3 DO...

Page 3: ...CIRCUITS 4 5 4 5 POWER SUPPLY CIRCUITS 4 5 4 6 PORT ALLOCATIONS 4 5 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 ADJUSTMENT CONFIGURATION 5 2 5 3 SOFTWARE ADJUSTMENTS 5 5 SECTION 6 PARTS L...

Page 4: ...45 dB min 55 dB typical for Wide with CCITT filter 43 dB min 53 dB typical for Middle 40 dB min 50 dB typical for Narrow Limiting charact of modulator 60 100 of maximum deviation Microphone impedance...

Page 5: ...87 S5 Regulator Q23 2SB1132 Q24 XP6501 Q25 UNR9113J Crystal filter FI1 FL 335 FM IF IC IC1 TA31136FN IF amplifier Q4 2SC5107 EEPROM IC15 BR24L16FV Power amplifier Q7 RD07MVS1 T5 Regulator Q21 2SA1577...

Page 6: ...the top plate G 2 Unsolder 5 points H and remove the shield cover 3 Unscrew 2 screws I and remove the side plate J 4 Unscrew 7 screws K 5 Unsolder 4 points L and take off the main unit in the directi...

Page 7: ...r circuit Q3 to produce a 46 35 MHz 1st IF signal The 1st IF signal is passed through a monolithic filter FI1 in order to obtain selection capability and to pass only the desired signal The filtered s...

Page 8: ...The tone squelch circuit detects tone signals and opens the squelch only when receiving a signal containing a matched subaudible tone CTCSS or DTCS When tone squelch is in use and a signal with a mis...

Page 9: ...rive Q9 drive Q8 and power Q7 amplifiers to obtain 5 W of RF power at 7 2 V DC The amplified signal passes through the power detector D1 antenna switch D2 and low pass filter L1 L3 C2 C5 C175 C176 and...

Page 10: ...ided signal is detected on phase at the phase detector using the refer ence frequency If the oscillated signal drifts its phase changes from that of the reference frequency causing a lock voltage chan...

Page 11: ...and 43 The signals are applied to the LED driver Q32 pins 3 and 1 The driver outputs LED control signals to the LED DS1 BAL T2 T1 LVA REF Outputs the modulation balance level control signal The signal...

Page 12: ...be signals to the D A convertor IC8 pin 6 Input port for the connecting battery type detect signal 38 S5C Outputs power save control signal 39 T5C Outputs T5 regurator control signal Low While transmi...

Page 13: ...city 5 A or more Frequency range DC 300 MHz Measuring range 0 to 10 kHz Frequency range 0 1 300 MHz Frequency accuracy 1 ppm or better Sensitivity 100 mV or better Input impedance 10 M V DC or better...

Page 14: ...TX power to Low2 3 174 000 MHz Set TX power to Low1 3 TX POWER CH FREQUENCY SETTING CONDITION 1 174 000 MHz Set TX power to Low1 2 136 000 MHz Set IF bandwidth to Wide 1 PLL LOCK VOLTAGE CH FREQUENCY...

Page 15: ...ator 20 dB 30 dB RF power meter 0 1 10 W 50 Frequency counter Standard signal generator 0 1 V to 32 mV 127 dBm to 17 dBm DO NOT transmit while an SSG is connected to the antenna connector To SP IC F14...

Page 16: ...5 4 PC SCREEN EXAMPLE NOTE The above screen is an example Each transceiver has its own specific values for each setting...

Page 17: ...n t e r t o t h e a n t e n n a connector Connect the RF power meter to the antenna connector Connect the FM deviation meter to the antenna connector through the attenuator Connect the FM deviation me...

Page 18: ...nect a SINAD meter with an 8 load to the SP jack through the JIG cable Connect a speaker to the SP jack through the JIG cable ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VALUE UNIT LOCATION CONVENIENT...

Page 19: ...C375BTRF T 49 2 34 9 D23 1790001250 S DIO MA2S111 TX T 70 5 40 4 D24 1790001250 S DIO MA2S111 TX T 41 5 39 2 D26 1790001790 S DIO RB876W TL B 36 1 7 3 D27 1750000520 S DIO DAN222TL B 21 3 6 5 D28 1790...

Page 20: ...R98 7030007290 S RES ERJ2GEJ 222 X 2 2 k T 53 7 44 R100 7030005050 S RES ERJ2GEJ 103 X 10 k B 53 6 38 3 R101 7030005120 S RES ERJ2GEJ 102 X 1 k B 51 4 42 3 R102 7030005700 S RES ERJ2GEJ 274 X 270 k T...

Page 21: ...9 5 R277 7030005090 S RES ERJ2GEJ 104 X 100 k B 8 5 39 5 R278 7030005090 S RES ERJ2GEJ 104 X 100 k B 13 5 39 5 R280 7030005050 S RES ERJ2GEJ 103 X 10 k B 16 4 35 8 R284 7030004980 S RES ERJ2GEJ 101 X...

Page 22: ...0 S TAN TEESVA 0J 685M 8L B 49 2 39 8 C148 4550006250 S TAN TEESVA 1A 106M8L T 50 3 43 7 C149 4550000270 S TAN TEESVA 1E 474M8L B 47 1 39 8 C150 4030018860 S CER ECJ0EB0J105K T 43 9 22 7 C151 40300169...

Page 23: ...CJ0EB1E102K T 86 6 3 3 C315 4030017460 S CER ECJ0EB1E102K T 93 2 5 9 C316 4030016930 S CER ECJ0EB1A104K T 91 6 2 8 C317 4550007080 S TAN TEESVA 1C 106M8R B 93 11 3 C318 4030016930 S CER ECJ0EB1A104K T...

Page 24: ...26 8810009220 Screw B0 2 x 8 ZK BT 2 MP27 8810009560 Screw M2 x 6 ZK 2 MP28 8810009510 Screw M2 x 4 NI ZU BT 9 MP29 8810009510 Screw M2 x 4 NI ZU BT 1 MP30 8810009510 Screw M2 x 4 NI ZU BT 1 MP31 8810...

Page 25: ...M CONNECT Unit MP29 C MP30 C ANT Unit MP1 C J1 C MP36 C MP35 C MP17 C MP8 C MP31 C MP13 C MP14 C MP27 C MP26 C MP26 C J2 C J3 M J2 M MC1 M S1 M S1 C W1 C W2 C W2 C MP32 C MP2 C MP42 C IC F14 F15 only...

Page 26: ...Symbol 6P 2SK880 Y Symbol XY S D G 3SK293 Symbol UF G1 G2 S D 3SK299 U73 Symbol U73 G1 G2 S D RD01MUS1 Symbol K2 RD07MVS1 Symbol RD07MVS1 G S S D G S D UNR9113J Symbol 6C B E C UNR9213J Symbol 8C UNR...

Page 27: ...81 R163 C270 R167 R159 C271 R161 R170 C273 R164 C272 R181 R237 C285 R117 R118 C154 C152 C153 C158 R106 C159 EP3 C157 R116 C165 C121 C123 R83 C161 C224 R131 R132 C162 C164 C185 R82 C120 C119 C122 C113...

Page 28: ...R77 C139 R80 EP4 L27 L43 C146 L42 R96 R302 R304 R306 R301 Q40 Q39 R303 R305 L28 C60 R33 R40 C335 R34 IC1 C188 C63 C65 C244 R144 C62 R42 C71 C69 R44 C266 C311 MP1 R10 C73 C82 C81 C13 L16 S5V IC9 C226 C...

Page 29: ...C4226 Q12 2SC5107 Q11 2SC5107 Q10 2SC5107 BUFF BUFF TX RX SW BUFF D14 D15 MA2S077 Q9 2SC5110 Q8 RD01MUS1 Q7 RD07MVS1 IC2 TA75S01F D1 RB876W D2 1SV307 D5 1SV307 Q6 UNR9113J PRE DRIVE DRIVE AMP PWR AMP...

Page 30: ...T5C SCK R117 4 7 k R118 4 7 k R305 10 k R306 10 k R111 100 k R113 4 7 k 2 1 3 9 8 7 6 5 4 3 2 1 CLOCK FIN LD GND DO OSCIN OSCOUT VP VCC DATA LE FC B P FOUT NC 10 11 12 13 14 15 16 SO S5V PLST R104 100...

Page 31: ...a Inc 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 Icom Canada A B N 88 006 092 575 290 2...

Page 32: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 14111IZ C1 2004 Icom Inc...

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