Icom IC-F11 Service Manual Download

Page: 35 / 78

R47 47

Q11
2SC5085 Y

VCC

CBI0
CBI1
CBI2
CBI3

RLED
TLED

CBI0

C156
0.001

C157
0.001

C158
0.001

C159
0.001

W13

only

W12

only

W11

only

VOLIN

VOLOUT

C93
47 P

C94
47 P

C84
0.01

R51
47 k

D19
HVC362

C85
2.2

R50
10 k

REF

BAL

R52
1k

C92
0.1

D20
MA2S111

R232
150 k

OSCIN

OSCOUT

VCC

GND

FIN

CLOCK

DATA

FOUT

R246 22

SCK
UNLK

PLST
SO

LVIN

DEV

R5V
S5V

DEV

R5V
S5V

VCC
S5V

+5V

VOLIN

VOLOUT

AFOUT

C86
0.001

C150
2 P

C153
0.01

R96
1.2 k

R97
680 k

C152
10 P

C149
18 P

L28
1.0 H

C151
18 P

R100
47 k

R99
1.2 k

R43
8.2 k

R45
10 k

R49
47 k

D21
MA2S111

C80
47 P

R48
82 k

C83
100 P

C81
100 P

R46
1.2 k

X1
CR-664A

C252
100 P

C89
0.001

C90
56 P

R42
1

R53
56

C91
56 P

C87
47 P

L18
33 nH

C88
0.1

C144
0.001

C145
1

C146
0.001

C147
0.1

C148
10 P

R94
47

R221
100 k

C143
0.001

FI2
ALFYM450F=k

R95
150

R98
47 k

L27
1.0 H

C154
220 P

C155
220 P

C78
0.001

R44
1 k

C82
0.1

C73
47 P

C138
0.001

C139
0.001

NOIS

RSSI

DET

R93
330

X2
CDBCA450CX24

C140
120 P

R92
1.8 k

C76
3.3

R40
220

R41
2.2 k

C3
24 P

C5
22 P

C6
0.001

R1
82 k

D1
1SV307

L1
32 nH

L2
30 nH

C8
47P

C9
0.001

C18
47 P

C20
0.001

R2
150

L3
4.7 H

T5V

C34
0.001

C35
47 P

R13
10

L6
EXCCL3225U

C45
47 P

R16
100

R19
100

R22
220

R24
100

T5V
VCO5V

C48
0.001

R5V
S5V

RSSI

R5V

VCO5V

S5V

RSSI

C37
0.001

C38
9 P

C39
12 P

C40
0.001

C41
7 P

C42
22 P

C43
0.001

C44
2 P

C46
0.001

R17
10 k

R18
1 k

R20
47 k

R21
4.7

R23
68 k

R26
68 k

D3
MA77

L10
0.1 H

L11
0.1 H

D4
MA77

S5V

C21
0.001

C26
0.001

C36
18 P

R8
68

L9
27 nH

C27
0.001

R10
4.7 k

R9
33 k

C33
100 P

C255
22 P

C7
0.001

C12
0.001

C15
0.001

C25
0.001

R3
15 k

R4
4.7 k

R5
22

L4
50 nH

MP5

L5
22 nH

R6
100 k

R7
4.7 k

D2
RB706F-40

L52
60 nH

C23
0.1

C24
100 P

C13
15 P

C14
15 P

C17
68 P

R55
2.2 k

R56
10 k

R57
68 k

R239
100 k

R54
10 k

C96
0.1

TXC

C97
0.1

R58
150 k

R60
100

R61
1 k

D9
ISV307

L19
50 nH

C98
0.01

C99
11 P

L20
50 nH

C100
18 P

22 P

D10
MA77

R59
120 k

C102
4 P

6 P

C103
0.001

C104
27 P

47 P

C109
0.01

C110
47 P

R62
220 k

R63
10 k

D12
HVU350B

C107
0.001

C108
47 P

L22
56 nH

L21
56 nH

R65
120 k

270 k

R64
18 k

100 k

R229
5.6 k

only

R228
470 k

only

D18
MA2S111

only

R227
10 k

only

R66
10 k

R68
470

C249 0.47

only

C105
3 P

2.5 P

C106
1 P

C112
0.01

C114
0.001

C118
0.001

C119
1.5 P

C121
0.001

C123
18 P

C124
0.001

C125
27 P

C126
33 P

R70
220 k

R71
10 k

R72
220 k

R73
10 k

R75
10 k

R76
820

R77
1 k

R78
10 k

R80
12

D14
HVU350B

D15
HVU350B

L25
0.1 H

C120
33 P

68 P

C117
82 P

R79
470

R81
470

L24
56 nH

C122
3.5 P

6 P

C116
2.5 P

C115
0.001

C127
47 P

C128
0.001

C130
0.01

C132
0.001

C133
1 P

C134
9 P

C136
0.01

R83
100

R85
560

R88
820

R89
470

R90
120 k

R91
680

R86
120

L26
0.47 H

C129
56 P

C137
100P

VCC

S5V

VCC
S5V

ANT

MIC

C189
470 P

C190
0.047

R141
470

R142
100 k

C188
10

PTT

C182
0.047

C183
0.1

C184
180 P

C185
0.1

R136
10 k

R138
470

R139
100 k

R140
15 k

only

C186
0.0056

0.0022

C187
0.022

only

R137
200 k

R134
4.7 k

VCC

S5V
+5V

C181
0.047

R127
10 k

R132
10 k

R126
180 k

R128
47 k

R129
10 k

C257
0.1

R133
12 k

R130
12 k

R131
5.6 k

R242
22 k

C177
2.2

C178
0.01

C179
1

R117
100 k

R122
10 k

R124
27 k

R125
1 M

C248 0.1

R120
82 k

R121
15 k

R116
33 k

R123
150 k

R118
220 k

R119
270 k

C176
0.0018

R111
27 k

R112
2.2 k

R110
3.3 k

R238
100 k

R114
10 k

R115
120 k

C174 150 P

R113
820

C173
0.1

C172
47

R109
68 k

D23
MA2S111

R105
2.7 k

R106
3.3 k

R107
1 k

VCC

VIN

RIPPLE

10
9
8
7
6

PHASE

PREGND

PWGND

POUT

C170
0.1

C169
6.8

R104
10 k

C167
0.047

R247
1 k

C171
0.22

C168
0.22

C164
0.047

C165
47 P

R102
10

R103
33

C166
10

C163
100

AFOUT

R212
15k

VOLOUT

REMO

R143
100 k

R149
1 k

R241
1 k

VOLOUT

AFOUT

AFON

CPU5V

OSC1

TEMP

BATV

C191
0.1

R152
100 k

R153
100 k

R154
100 k

R151
NTCCM20124AG473JCT

C195
68 P

C201
47 P

C202
0.001

R157
12 k

L29 39 H

R160
10 k

VOLIN

VOLOUT

SQLIN

VCC

AFOUT

R165
470

SCK
SO

T1
T2
T3
T4
DAST

SCK
SO

T1
T2

DAST

SCK
SO

T1
T2

T3
T4

DAST

SQLIN
VCC

+5V

R169
10k

VOLIN

VOLOUT

AFOUT

SQLIN

VCC

+5V

R5V

S5V

R5V

S5V

R5V

S5V

T5V

VCC

+5V

R5V

S5V

T5V

AFOUT

+5V

MIC

R171
10 k

R173
10 k

C213
0.001

MIC

OPT

MIC

C215
0.001

C237
0.001

R175
33 k

EP4

EP5

C214
47 P

MC1

MIC

PTT

EXT.MIC

EXT.SP

BDET

C210
22

C211
0.01

C212
0.01

R172
4.7 k

R174
4.7 k

R210
120 k

R211
100 k

R217
47 k

R218
100 k

D17
RB706F-40

R213
470

R216
22 k

R248
1

S5V

R5V

C207
10

C208
0.01

C209
0.1

R170
2.2 k

C205
0.1

R219
220 k

C259
0.01

C206
10

C203
0.01

C204
0.01

C235
820 P

R166
470 k

R167
470 k

R168
470 k

R203
56 k

R204
390 k

R205
180 k

R206
82 k

R207
39 k

R208
100 k

R209
100 k

C236
0.022

C196
470 P

C199
0.001

R159
12 k

R177
22 k

R180
10 k

R178
56 k

D16
MA77

R163
1 k

R176
22 k

C200
0.027

R158
12 k

R179
180 k

CENC1

CENC2

CSFT

MMUT

RMUT

RES

CPU5V

OSC2

R156
1 M

C198
0.1

1
2
3
15

R155
10

X3 CR-702

C193
22 P

C194
15 P

EXST
SO
SCK

PLST

DAST

EXST

PTT

TXC

RLED

TLED

AFON

ESDA

CLI

CLO

R146
100 k

R199
47 k

BEEP

SCK

CBI3

CBI2

CENC2

CENC1

CENC0

SENC3

SENC2

CBI1

CBI0

SENC1

SENC0

R201
1 k

C216
0.01

R202
100 k

C247
0.1

R200
1 k

R161
10 k

DUSE

C218
0.039

C219
0.1

C220
820 P

R181
47 k

R182
47 k

R185
15 k

R187
470

R164
1 k

R184
47 k

C222
0.1

T5C

S5C
R5C

NWC

R5V

C224
0.033

C226
0.1

C229
0.0068

C230
0.01

C233
0.1

C234
820P

R188
470 k

R189
100 k

R190
47k

R191
47k

R192
18 k

R193
220 k

R194
68 k

R195
120 k

R197
22 k

5
4

C227
0.01

C228
0.1

R196
22 k

C232
0.0012

C225
4.7

C231
0.039

R198
22 k

R224
68 k

R225
68 k

R226
68 k

C243
0.0056

C245
0.0082

C244
180 P

C246
68 P

C223
47 P

R214
1 k

R222
68 k

R223
68 k

C242
0.0027

C258
47 P

R215
22 k

AFOUT

CLONE

C239
0.001

C240
47 P

VCC

+5V

S5V

C238
0.001

R74
220 k

C197
22

C58
10

C59
47 P

C57
47 P

VCC

T5V

S5V

R220
2.2 k

L17
4.7 H

C75
1

C49
0.5 P

R35
33 k

R38
82 k

C175
0.0056

T5C

CLI

CLO

R5C

BDET

SENC3

SENC2

TONE

DET

SDEC

CDEC

SENC1

S5C

SENC0

STR

CLK

Q1
Q2
Q3
Q4
Q5
Q6
Q7
Q8

VSS

SDA

SCL

VCC

OSC2

P52/WKP2

P53/WKP3

P54/WKP4

P55/WKP5/ADTRG

P10/TMOW

P11

P12

P56/SDA

P57/SCL

P74/TMRIV

P75/TMCIV

P76/TMOV

PB0/AN0

PB1/AN1

PB2/AN2

PB3/AN3

PB7/AN7

PB6/AN6

PB5/AN5

PB4/AN4

P17/IRQ3/TRGV

P16/IRQ2

P15/IRQ1

P14/IRQ0

P51/WKP1

AVCC

VCL

RES

TEST

VSS

OSC1

OSC2
OSC1

VCC

P50/WKP0

35
34

47
46
45
44
43
42
41
40

38
37
36

NMI

P80/FTCI

P81/FTIOA

P82/FTIOB

P83/FTIOC

P84/FTIOD

P85

P86

P87

P20/SCK3

P21/RXD

P22/TXD

C192
0.1

BDET

LVIN

RSSI

SDEC

CDES

UNLK

NOIS

VCC
T5V

S5V
+5V

+5V

VCC

NWC

MMUT

R5C

RMUT

TONE

BEEP

I/O

O/I

I/O

CONT.B

CONT.C

VEE

14
13
12
11
10
9
8

I/O

O/I

I/O

CONT.D

CONT.A

VDD

CTRL

GND

VIN

VOUT

REF

S5V

DUSE

BAL

DEV

+5V

DET

DET
SQLIN

VCC

T5V

S5V

1
2
3
4

only

From
SW-A UNIT

From/to
SW-A and SW-B
UNITS

1
2
3
4
5
6
7

C161
0.001

C162
470 P

C160
47

SPEAKER

CHASSIS UNIT

OPC-963

SP1

1
2

OSCOUT

OSCIN

MIXOUT
VCC
IFIN
DEC
FILOUT
FILIN

AFOUT

QUAD

IFOUT

RSSI

N-DET

N-REC

GND

MIXIN

C142
0.001

VIN1

VOUT1

VOUT2

VIN2

VDD

CLK

VIN3

VOUT3

VOUT4

VIN4

24
23
22
21
20
19
18
17
16
15
14
13

VIN5

VOUT5

VOUT6

VIN6

VDAREF

RESET

GND

VIN7

VOUT7

VOUT8

VIN8

ESDA

SCK

R234
100 k

R233
100 k

Q10
2SC5085 Y

Q8
DTC144EU

Q16
3SK272

Q17
2SC4215 O

IC6 BU4066BCFV

IC5B NJM13403V

Q21 DTC144EU

IC9 M62363FP-650C

IC10
NJM2870

Q26
2SA1577 Q

Q27
2SA1577 Q

Q18
2SC4116 GR

IC1 MB15A02PFV-1

Q31
2SC4215 O

IC3 TA31136FN

Q13
2SK880 Y

Q12 XP6501 AB

Q5
2SC5107 O

Q6
2SC5107 O

Q7
2SC5107 O

Q4
2SC5110 O

Q15 3SK294

IC5D
NJM13403V

Q2
2SK2973

Q1
2SK2974

Q33
2SK1829

only

Q19
2SB1132 R

Q20
XP6501 AB

Q14
DTA144EV

IC2
TA75S01F

IC4 TA7368F

IC7
HD6433664A24FP

IC15
BU4094BCFV

IC11
BR24C16FV-E2

Q28 DTC144EU

IC8 S-80942ANMP-DD6

IC5A
NJM13403V

Q29
2SC4116 GR

IC13
TC7S66FU

Q30 XP1213

IC12B
NJM12904V

IC12A
NJM12904V

IC16B NJM12904V

Q24 2SB1132 R

Q25
XP6501 AB

Q23
DTA144 EU

IC16A
NJM12904V

Q32
DTC144TU

Q22 UN911H

IC5C NJM13403V

OUT 1
VDD

VSS

1LO

4
5
6
7

14
13
12
11

FI1
FL-311

R147
1 k

R148
1 k

CENC0

C217
0.1

Q35
DTC144EU

R183
1 k

C221
0.01

D24
HSU88

C269
0.001

C253
9 P

R249 470 k

R230
27 k

R250 470 k

R251
120 k

EP7

only

C72
0.001

R28
47

L53
10.5 nH

R252
10

EP6

C262
0.1

C260
0.001

R244
100

C267
6 P

L56
1 H

C101
10 P

4 P

C95
0.001

D25
MA2S111

L54
56 nH

C111
3 P

4 P

C265
7 P

C113
56 P

D13
HVU350B

R245
820

2.2 k

C261
0.001

R253
470

R29
820

C70
0.001

C64
0.1

C63
0.001

C56
1

C69
82 P

C67
0.0022

C66
36 P

R47 47

C270
0.001

Q36
2SK1829

C1
9 P

C4
11 P

C2
7 P

C10
18 P

C11
15 P

L50
0.1 H

R31
4.7 k

C51
2 P

C60
0.001

Q11
2SC5085 Y

C61
0.001

C65
2 P

R32
4.7 k

L15
2.2 H

L16
80 nH

D7
HVU350B

D5
HVU350B

C268
2.5 P

R37
220 k

R27
10 k

R240
1 k

C71
0.001

R36
1 k

D22
MA77

C62
0.1

R34
47 k

R39
1 k

D6
MA2S077

L51
18 nH

R243
1.5 k

4.9 V

4.8 V

15.3 MHz
0.75 V P-P

4.7 V

0 V

UNLOCK 0.5 V

LOCK 4.5 V

2.9 V

0 V

PTT ON

4.8V

PTT OFF

WIDE 4.8 V
NAR 0 V

2.1 V

4.1 V

3.7 V

3.3 V

3.5 V

1.0 V

0 V

2.0 V

0 V

3.7 V

0 V

2.1 V

4.6 V

0 V

4.6 V

0 V

2.0 V

0 V

3.1 V

0 V

0.6 V

0 V

2.1 V

1.2 V

1.3 V

0 V

2.4 V

3.4 V

AF ON

7.5 V

AF ON

4.8 V

AF ON

4.9 V

4.4 V

1.6 V

1.1 V P-P

14.7456 MHz

4.5 V

DTCS

3.1 V P-P

CTCSS code transmitting

2.5 V

0.7 V

0 V

3 V P-P

5/2 tonecode
transmitting

4.8 V

4.9 V

0 V

4.9 V

2.1 V

3.5 V

0 V

4.5 V

0 V

4.9 V

1.8 V

0 V

SECTION 12

VOLTAGE DIAGRAM

12 - 1

NOTE:

: [F12] and [F12S]

: [F11], [F11BR] and [F11S]

: [F11] and [F12]

: [F11BR], [F11S] and [F12S]

Summary of Contents for IC-F11

Page 1: ...SERVICE MANUAL VHF TRANSCEIVERS...

Page 2: ...1 MAIN UNIT 1 piece 8810009510 Screw BO M 2 x 4 NI ZU IC F11 Chassis 10 pieces Addresses are provided on the inside back cover for your convenience 1 Make sure a problem is internal before disassembli...

Page 3: ...REPARATION 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 9 1 MAIN...

Page 4: ...7 2 V negative ground 50 normal 2 2 k normal 8 normal 1st 31 050 MHz 2nd 450 kHz 30 C to 60 C 22 F to 140 F 25 C to 55 C 13 F to 131 F 1 6 A 5 W except F11BR 1 1 A 2 W F11BR only 0 7 A 1 W 70 mA 250 m...

Page 5: ...Low pass filter circuit IC12 16 NJM12904V Expander IC IC15 BU4094BCFV TX RX switch D3 D4 MA77 Analog switch IC6 BU4066BCFV APC IC2 TA75S01F AF amplifier IC4 TA7368F 1st mixer Q16 3SK272 CPU IC7 HD6433...

Page 6: ...J6 to separate the front panel and the chassis REMOVING THE MAIN UNIT Remove the searing rubber Unsolder 2 points E and unscrew 2 nuts F Unscrew 9 screws G silver 2mm to separate the chassis and the...

Page 7: ...nal is applied to a crystal filter FI1 to sup press out of band signals The filtered 1st IF signal is applied to the IF amplifier Q17 then applied to the 2nd mixer circuit IC3 pin 16 4 1 4 2ND IF AND...

Page 8: ...pass filter circuit IC5d pins 13 14 via the mute switch IC6 pins 2 3 4 The fil tered AF signals are applied to the modulator circuit after being passed through the mute switch IC6 pins 8 9 10 4 2 2 M...

Page 9: ...is then applied to the phase detector section The phase detector compares the input signal with a refer ence frequency and then outputs the out of phase signal pulse type signal from pin 5 The pulse t...

Page 10: ...RSSI LVIN Description Input port for RESET signal Outputs single tone encode signal Outputs CTCSS DTCS data signal Outputs serial clock signal to the PLL IC IC1 EEPROM IC11 etc Outputs data signal to...

Page 11: ...nal for the modulator circuit D6 CPU IC7 continued 4 5 2 OUTPUT EXPANDER IC IC15 Pin number 4 5 6 7 11 12 13 14 Port name CSFT RMUT MMUT DUSE T5C R5C S5C NWC Description Outputs clock shift control si...

Page 12: ...ial port 38400 bps or faster Microsoft Windows 95 or Windows 98 Intel i486DX processor or faster Pentium 100 MHz or faster recommended At least 16 MB RAM and 10 MB of hard disk space 640 480 pixel dis...

Page 13: ...5Ah 1 76 V BPF T2 45 2Dh 0 88 V BPF T3 76 4Ch 1 49 V T4 POW 60 3Ch 1 18 V REF 112 70h 2 20 V DTCS BL 141 8Dh 55 29 Dev 45 2Dh 0 88 V SQL Lev 150 96h 58 96 CH No 01 RX Freq 216 050 TX Freq RF Power Hi...

Page 14: ...or 0 1 V to 32 mV 127 dBm to 17 dBm SINAD meter Speaker 8 Audio generator OPC 478 CAUTION DO NOT transmit while an SSG is connected to the antenna connector DC POWER SUPPLY GND Battery type detector B...

Page 15: ...NT PLL LOCK VOLTAGE 1 2 3 Operating frequency 174 000 MHz Transmitting Operating frequency 146 000 MHz Receiving Transmitting MAIN Connect a digital multi meter to check point LV 4 0 V 0 8 1 8 V 0 8 1...

Page 16: ...audio applied to the MIC jack DTCS code 007 Transmitting REFERENCE FREQUENCY TXF OUTPUT POWER POWER Hi POWER L2 POWER L1 FM DEVIATION Wide MOD W Narrow MOD N DTCS WAVE FORM DTCS BAL Top panel Top pan...

Page 17: ...ELCH LEVEL SQL Top panel Top panel Connect a SINAD meter with an 8 load to the SP jack Connect a SINAD meter with an 8 load to the SP jack ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VALUE UNIT LOCATI...

Page 18: ...190 S TRANSISTOR XP6501 TX AB Q21 1590000430 S TRANSISTOR DTC144EUA T106 Q22 1590002530 S TRANSISTOR UN911H TX Q23 1590000720 S TRANSISTOR DTA144EUA T106 Q24 1520000460 S TRANSISTOR 2SB1132 T100 R Q25...

Page 19: ...24 V 120 k A 7030003730 S RESISTOR ERJ3GEYJ 274 V 270 k B R66 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 k R68 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 R70 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 k R71...

Page 20: ...R ERJ3GEYJ 104 V 100 k R238 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 k R239 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 k R240 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R241 7030003440 S RESISTOR ERJ3GEYJ...

Page 21: ...JB 1H 102K T A C158 4030006860 S CERAMIC C1608 JB 1H 102K T A C159 4030006860 S CERAMIC C1608 JB 1H 102K T A C160 4510004640 S ELECTROLYTIC ECEV1CA470SP C161 4030006860 S CERAMIC C1608 JB 1H 102K T A...

Page 22: ...MIC C1608 JB 1C 104KT N C265 4030006980 S CERAMIC C1608 CH 1H 070D T A C266 4550000530 S TANTALUM TESVA 1V 104M1 8L C267 4030011770 S CERAMIC C1608 CH 1H 060B T A C268 4030009550 S CERAMIC C1608 CH 1H...

Page 23: ...AG 1 MP27 8210017090 2337 terminal holder 1 MP28 8930052840 2337 T rubber 1 MP29 8810009510 B0 M02 x 4 NI ZU BT 10 MP30 8930043760 1923 Mic seal 1 MP32 8950004671 ANT connector 101A 1 MP33 8830001250...

Page 24: ...0 C MP21 C MP32 C MP8 C MP29 C MP29 C MP12 C MP9 C MP22 C IC F11BR F11S F12S MP34 C MP27 C MP14 C MP13 C MP39 C MP29 C MP35 C F11BR F11S F12S only MP29 C MP7 C MP20 C MP11 C MP30 C MP29 C MP29 C MP2 M...

Page 25: ...TC144 EU Symbol 26 UN911 H Symbol 6P XP1213 Symbol 9L 3SK294 Symbol UV DTA144 EU Symbol 16 TRANSISTOR AND FET S B E C B E C B E C G S D S D G top view S B E C B E C B E C B E C B E C B C E E1 B1 B2 C1...

Page 26: ...1 C60 R31 R29 C48 C38 L15 C65 C51 Q10 L17 L16 C268 D5 D7 R214 C163 C166 R238 R102 C164 J3 C213 X2 C140 R221 R78 C124 R77 D4 R18 R92 C145 C143 C34 C125 R80 R81 R13 R79 C37 R16 D3 R17 C36 R243 R253 R244...

Page 27: ...R76 Q16 C126 L25 C139 C144 C127 L26 R85 C128 R86 C137 R89 C136 IC3 R91 Q17 R90 R95 C39 R88 C129 C132 R83 C133 C130 C167 R109 D23 R103 R247 C171 R107 Q20 FI1 C134 Q19 IC4 R106 C170 C168 C169 R105 C215...

Page 28: ...9 5 9 2 SW A AND SW B UNITS TOP VIEW SW A UNIT F1 Q1 DS1 B5603C SW B UNIT F1 Q1 DS1...

Page 29: ...IT SW B UNIT R2 R3 R1 S1 J2 to the MAIN unit J2 1 7 CBI0 VOLOUT VOLIN VCC RLED TLED GND J1 to the MAIN unit J1 1 4 CBI0 CBI1 CBI2 CBI3 S1 W1 R2 R3 W2 R1 B5604C J2 to the MAIN unit J2 1 7 CBI0 VOLOUT V...

Page 30: ...SEMBLY INFORMATION MP1 MP2 MP6 MP3 MP4 MP5 MP3 CHARGE unit MP3 MP3 NOTE B A CHASSIS UNIT CHARGE UNIT A A A MP1 B MP2 B A A A A A A REF NO ODER NO DESCRIPTION QTY CHARGE UNIT R1 7010007550 RESISTOR ERG...

Page 31: ...10 2 10 3 VOLTAGE DIAGRAM 10 4 BOARD LAYOUT MP1 R1 68 J1 HEC0470 01 230 R2 1k DS1 TLG124A MP2 C 13 8V N 13 8V C 7 2V N 13 8V C 9 2V N 13 8V J1 MP1 MP2 B5650 R1 R2 DS1...

Page 32: ...VERSION S1 AS 244 A13 VCC CH SELECT EMERGENCY S1 SW A TP70QF4161 SW B EMER SKHHLP014A VOLOUT CBI0 AF AMP REG AFON SP SP Q19 2SB1132 Q20 XP6501 AFOUT S3 J5 HSJ1456 01 220A INT SP PTT INT MIC F1 F2 EXT...

Page 33: ...26 0 1 C229 0 0068 C230 0 01 C233 0 1 C234 820P R188 470 k R189 100 k R190 47k R191 47k R192 18 k R193 220 k R194 68 k R195 120 k R197 22 k 5 4 3 2 1 3 2 1 5 4 C227 0 01 C228 0 1 R196 22 k C232 0 0012...

Page 34: ...15 P EXST SO SCK PLST DAST EXST PTT TXC RLED TLED AFON ESDA CLI CLO R146 100 k R199 47 k BEEP SO SCK CBI3 CBI2 CENC2 CENC1 CENC0 SENC3 SENC2 CBI1 CBI0 SENC1 SENC0 R201 1 k C216 0 01 R202 100 k C247 0...

Page 35: ...C200 0 027 R158 12 k R179 180 k CENC1 CENC2 CSFT MMUT RMUT RES RES CPU5V OSC2 R156 1 M C198 0 1 1 2 3 15 R155 10 X3 CR 702 C193 22 P C194 15 P EXST SO SCK PLST DAST EXST PTT TXC RLED TLED AFON ESDA C...

Page 36: ...V RX SQL OPEN 2 1 V RX SQL OPEN 4 8 V TX 4 8 V RX SQL OPEN 0 V TX 2 4 V TX 0 V TX 4 1 V TX 0 V TX 0 V RX SQL OPEN 0 V SW B UNIT CHASSIS UNIT 2CH VERSION S1 W1 W2 EMERGENCY VERSION S1 CP8 HV TP76N00N...

Page 37: ......

Page 38: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13806IZ C1V 2001 Icom Inc...

Page 39: ...SERVICE MANUAL UHF TRANSCEIVERS...

Page 40: ...F21 MAIN UNIT 1 piece 8810004860 Screw PH M 2 x 6 ZK IC F21 Chassis 10 pieces Addresses are provided on the inside back cover for your convenience 1 Make sure a problem is internal before disassemblin...

Page 41: ...MENT 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 9 1 IC F22 F22S F22SR MAIN UNIT 9 1 9...

Page 42: ...2 k normal 8 normal 1st 46 350 MHz 2nd 450 kHz 30 C to 60 C 22 F to 140 F 25 C to 55 C 13 F to 131 F 1 6 A 4 W except A C 1 2 A 2 W except C 0 5 A 0 5 W ERP C only 0 8 A 1 W 70 mA 250 mA 54 W 128 H 3...

Page 43: ...2904V Expander IC IC15 BU4094BCFV TX RX switch D3 D4 MA77 Analog switch IC6 BU4066BCFV APC IC2 TA75S01F AF amplifier IC4 TA7368F 1st mixer Q19 2SB1132 R CPU IC7 HD6433664A24FP F21 F21S F21BR F21GM F22...

Page 44: ...J6 to separate the front panel and the chassis REMOVING THE MAIN UNIT Remove the searing rubber Unsolder 2 points E and unscrew 2 nuts F Unscrew 9 screws G silver 2mm to separate the chassis and the...

Page 45: ...is applied to a crystal filter FI1 to sup press out of band signals The filtered 1st IF signal is applied to the IF amplifier Q17 then applied to the 2nd mixer circuit IC3 pin 16 4 1 4 2ND IF AND DEM...

Page 46: ...e passed through the low pass filter circuit IC5d pins 13 14 via the mute switch IC6 pins 2 3 4 The fil tered AF signals are applied to the modulator circuit after being passed through the mute switch...

Page 47: ...section and is then applied to the phase detector section The phase detector compares the input signal with a refer ence frequency and then outputs the out of phase signal pulse type signal from pin 5...

Page 48: ...SDEC RSSI LVIN Description Input port for RESET signal Outputs single tone encode signal Outputs CTCSS DTCS data signal Outputs serial clock signal to the PLL IC IC1 EEPROM IC11 etc Outputs data signa...

Page 49: ...nal for the modulator circuit D6 CPU IC7 continued 4 5 2 OUTPUT EXPANDER IC IC15 Pin number 4 5 6 7 11 12 13 14 Port name CSFT RMUT MMUT DUSE T5C R5C S5C NWC Description Outputs clock shift control si...

Page 50: ...port 38400 bps or faster Microsoft Windows 95 or Windows 98 Intel i486DX processor or faster Pentium 100 MHz or faster recommended At least 16 MB RAM and 10 MB of hard disk space 640 480 pixel display...

Page 51: ...5Ah 1 76 V BPF T2 45 2Dh 0 88 V BPF T3 76 4Ch 1 49 V T4 POW 60 3Ch 1 18 V REF 112 70h 2 20 V DTCS BL 141 8Dh 55 29 Dev 45 2Dh 0 88 V SQL Lev 150 96h 58 96 CH No 01 RX Freq 216 050 TX Freq RF Power Hi...

Page 52: ...ry type detector Battery type detector DC POWER CABLE CONNECTIONS NOTE When you adjust the output power high power the battery type detector must be con nected to GND see illustration at above Ohterwi...

Page 53: ...PLL LOCK VOLTAGE 1 2 Operating frequency 440 000 MHz A 462 550 MHzB C 446 00625 MHz D Receiving Transmitting MAIN Connect a digital multi meter to check point LV 1 3 V A C 1 8 V D 1 3 V A C 1 8 V D M...

Page 54: ...ow switch Low1 No audio applied to the MIC jack DTCS code 007 Transmitting REFERENCE FREQUENCY TXF OUTPUT POWER POWER Hi POWER L2 POWER L1 FM DEVIATION Wide MOD W A B C only Narrow MOD N DTCS WAVE FOR...

Page 55: ...F T1 BPF T4 SQUELCH LEVEL SQL Top panel Top panel Connect a SINAD meter with an 8 load to the SP jack Connect a SINAD meter with an 8 load to the SP jack ADJUSTMENT ADJUSTMENT CONDITION MEASUREMENT VA...

Page 56: ...5L Q16 1580000660 S FET 3SK272 TX Q17 1530002600 S TRANSISTOR 2SC4215 O TE85R Q18 1530002690 S TRANSISTOR 2SC4116 GR TE85R Q19 1520000460 S TRANSISTOR 2SB1132 T100 R Q20 1590001190 S TRANSISTOR XP6501...

Page 57: ...GEYJ 101 V 100 R61 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 k R62 7030003720 S RESISTOR ERJ3GEYJ 224 V 220 k R63 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 k R64 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 k...

Page 58: ...J3GEYJ 683 V 68 k R223 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 k R224 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 k R225 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 k R226 7030003660 S RESISTOR ERJ3GEYJ 683 V...

Page 59: ...ERAMIC C1608 CH 1H 560J T A C152 4030007010 S CERAMIC C1608 CH 1H 100D T A C153 4030006900 S CERAMIC C1608 JB 1H 103K T A C154 4030007170 S CERAMIC C1608 CH 1H 221J T A C155 4030007170 S CERAMIC C1608...

Page 60: ...ERAMIC C1608 CH 1H 470J T A J1 6910013720 CONNECTOR IMSA 9230B 04Z120 T F only J2 6910013730 CONNECTOR IMSA 9230B 07Z120 T J3 6510021900 S CONNECTOR BM02B ASRS TF J4 6450001680 CONNECTOR HSJ1122 01001...

Page 61: ...40 2337 T rubber 1 MP29 8810009510 B0 M 2 x 4 NI ZU BT 10 MP30 8930043760 1923 Mic seal 1 MP32 8950004671 ANT connector 101A except F22SR 1 MP33 8830001250 ANT connector 101 nut 1 MP34 8930055110 2458...

Page 62: ...MP32 C MP8 C MP29 C MP29 C MP12 C MP9 C MP22 C IC F21S F21BR F22S MP34 C MP27 C MP14 C MP13 C MP39 C MP29 C MP35 C F21S F21BR and F22S only MP7 M MP29 C MP7 C MP20 C MP11 C MP30 C MP29 C MP29 C MP2 M...

Page 63: ...ol 26 UN911 H Symbol 6P XP1213 Symbol 9L XP1214 Symbol 9H 3SK293 Symbol UF DTA144 EUA Symbol 16 TRANSISTOR AND FET S B E C B E C B E C G S D S D G top view S D S G2 G1 B E C B E C B E C XP4216 Symbol...

Page 64: ...EP2 C38 C140 R221 IC13 IC12 C188 S2 C172 R192 C230 R190 C229 R193 C226 R196 C228 R197 C231 R198 C94 Q30 R166 R167 C204 R168 R111 R110 R112 R123 C177 R121 R114 R94 C143 R92 C145 C260 R242 R115 R138 C1...

Page 65: ...122 C120 R74 C121 R75 C123 R76 C138 C202 R93 C139 C126 R82 L25 C144 R84 R85 C129 C132 C127 C128 R86 C137 R89 C136 R91 R100 R101 C189 C190 R142 R99 C154 C155 R98 C147 R95 R90 R88 C39 C148 C146 R185 C15...

Page 66: ...4 C172 S2 R111 R110 R112 R123 FI2 X2 X2 C140 R78 C40 R19 R20 R21 C51 C53 W4 L10 Q5 C48 Q10 EP2 R28 C50 R29 R214 C38 R221 C124 R77 R18 C163 MC1 R102 C164 J3 J3 R238 C213 J5 C237 C166 C27 R10 R7 R8 C26...

Page 67: ...C74 C75 C132 C133 Q20 R74 L24 C122 C121 R75 Q16 C123 R76 C138 C202 R93 C126 R82 L25 C144 C139 C127 R84 L26 R85 C128 R86 C136 R89 C137 R91 Q17 R90 C39 R100 C154 IC3 R101 C189 C190 R142 R99 C155 R98 C14...

Page 68: ...9 5 9 3 SW A AND SW B UNITS TOP VIEW SW A UNIT F1 Q1 DS1 B5603C SW B UNIT F1 Q1 DS1...

Page 69: ...IT SW B UNIT S1 R2 R3 R1 J2 to the MAIN unit J2 1 7 CBI0 VOLOUT VOLIN VCC RLED TLED GND J1 to the MAIN unit J1 1 4 CBI0 CBI1 CBI2 CBI3 S1 W1 W2 R2 R3 R1 B5604C J2 to the MAIN unit J2 1 7 CBI0 VOLOUT V...

Page 70: ...IT 10 1 PARTS LIST 10 2 DISASSEMBLY INFORMATION MP1 MP2 MP6 MP3 MP4 MP5 MP3 CHARGE unit MP3 MP3 NOTE B A CHASSIS UNIT CHARGE UNIT A A A MP1 B MP2 B A A A A A A REF NO ODER NO DESCRIPTION QTY CHARGE UN...

Page 71: ...10 2 10 3 VOLTAGE DIAGRAM 10 4 BOARD LAYOUT MP1 R1 68 J1 HEC0470 01 230 R2 1k DS1 TLG124A MP2 C 13 8V N 13 8V C 7 2V N 13 8V C 9 2V N 13 8V J1 MP1 MP2 B5650 R1 R2 DS1...

Page 72: ...A13 VCC CH SELECT EMERGENCY S1 SW A TP70QF4161 SW B EMER SKHHLP014A VOLOUT CBI0 AF AMP REG AFON SP SP Q19 2SB1132 Q20 XP6501 AFOUT S3 J5 HSJ1456 01 220 INT SP PTT INT MIC F1 F2 EXT SP IC4 TA7368F CLI...

Page 73: ...0 01 C206 10 C203 0 01 C204 0 01 C235 820 P R166 470 k R167 470 k R168 470 k R203 1 5 k R204 390 k R205 180 k R206 82 k R207 39 k R208 100 k R209 100 k C236 0 022 1 2 3 11 4 R187 470 R5V C224 0 033 C2...

Page 74: ...k 1 2 3 11 4 C196 470 P C199 0 001 R159 12 k R177 22 k R180 47 k R178 56 k R179 180 k D16 MA77 R163 1 k R176 22 k C200 0 027 R158 12 k CENC0 CENC1 CENC2 CSFT MMUT RMUT RES RES CPU5V OSC2 R156 1 M C19...

Page 75: ...00 k D17 RB706F 40 R213 470 R216 22 k R245 100 S5V S5V R5V C207 10 C208 0 01 C209 0 1 R170 2 2 k C205 0 1 R219 220 k C259 0 01 C206 10 C203 0 01 C204 0 01 C235 820 P R166 470 k R167 470 k R168 470 k R...

Page 76: ...V RX SQL OPEN 2 1 V RX SQL OPEN 4 8 V TX 4 8 V RX SQL OPEN 0 V TX 2 4 V TX 0 V TX 4 1 V TX 0 V TX 0 V RX SQL OPEN 0 V SW B UNIT CHASSIS UNIT 2CH VERSION S1 W1 W2 EMERGENCY VERSION S1 CP8 HV TP76N00N...

Page 77: ......

Page 78: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13806IZ C1U 2001 Icom Inc...

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