Icom IC-F3GT Service Manual Download

Page: 78 / 83

VCC

MIC

VCC

CPU5

VOLIN

VOLOUT

AFOUT

MIC

VCC

CPU5

5V
S5
T5
R5

C223
0.01

C224
0.01

C562
47 P

R131
470

Q17
UN911H

R130
100 k

C147
0.1

C554
470 P

PTT

C154
10

IC3C
NJM3403AV

C133
0.1

C677
470 P

C209
0.1

C563
47 P

R177
1 k

C125
0.0022

C124
0.01

C217
0.1

R176
3.9 k

R93
27 k

R109
10 k

C134
180 P

C665
47 P

C556
47 P

R104 100 k

R108
180 k

C132
0.0056

IC3B
NJM3403AV

R96
47 k

R94
1 M

I/O

O/I

I/O

CONT.B

CONT.C

VEE

I/O

O/I

I/O

CONT.D

CONT.A

VDD

IC4
BU4066BCFV

C286
0.0022

R95
1 M

C126
0.0027

R257
4.7

VCC

R159
100 k

R97
220 k

R98
180 k

C212
0.01

C213
2.2

C214
0.033

R113
68 k

R168
10 k

R505
1 k

R506
1 k

R169
10 k

R170
10 k

C128
1

R112
1 M

C136
0.0056

VCC

R178
3.3 k

C129
15

IC3D
NJM3403AV

R120
68 k

R145
1 M

R99
18 k

R100
2.2 k

R115
120 k

C135
180 P

R117
1.5 k

R116
1 k

D26
DAN202K

Q15
2SB1132 R

Q16
XP650

C1
0.1

R121
1 k

C139
0.1

VCC
CPU5

CTCIN
REMO

VOLOUT

AFONOP

AFON

AFOUT

TEMPS

R182
NTCCM20124AG473JCT

R181
100 k

R182

C231
0.1

PB0/AN0

AVSS

TEST

VSS

OSC1

OSC2

RES

NMI

P20/IRQ4/ADTRG

P21/SCK1

P22/SI1

P23/SO1

P24/SCK3

P25/RXD

P26/TXD

P27/IRQ0

P17/IRQ3/TMIF

P16/IRQ2

P15/IRQ1

P14

P13/TMIG

P12/TMOFH

P11/TMOFL

IC8
HD64

R215
100 k

R216
100 k

C232
0.1

C195
39 P

BDET

R103
12 k

D14
MA77

TONE

CTCSS

SIGOUT

C123
0.001

OUT

VDD

VSS

IC11
S-80942ANMP-DD6

C197
0.1

R148
47 k

L33
39 H

VOLIN

R150
470

R164
120 k [F4GT] only

SCK
SO

T1
T2
T3
T4

VIN1

VOUT1

VOUT2

VIN2

VDD

CLK

VIN3

VOUT3

VOUT4

VIN4

VIN5

VOUT5

VOUT6

VIN6

VDAREF

RESET

GND

VIN7

VOUT7

VOUT8

VIN8

IC10
M62363FP-650C

VCC

C148
0.01

R171
47 k

R125
27 k

IC6

TK11250BM [OTHER]

NJM2870

Q20
DTA144 EU

R135
10 k

Q19
XP6501 AB

Q18
2SB1132 R

R137
100

R516
15 k

TONE

BEEPOUT

VOLIN
VOLOUT
AFOUT

VOLOUT
AFOUT

CPU5

C215
0.1

VOLIN
VOLOUT
AFOUT

VCC

T5C

R5C

R260
10 k

R261
10 k

MICIN

MICOUT

CPU5

Q22
2SA1577 Q

Q21
2SA1577 Q

MIC

C164
0.001

R144
33 K

C163
0.001

C553
47 P

MC1
KUC3523-040245

1
2

J6
BM028-ASRS-TF

S3
JPM1990-2711R

EXT.MIC

PTT
SWITCH

VOL/ PWR
SWITCH

VOLIN

VOLOUT

OPT

MIC

(VR)

R142
100

C282
0.001

J2
HSJ1122-010010

C165
0.001

R143
TP76N00N-15F-10KA-2251

VCC

R132
470

R141
4.7 k

R139
4.7 k

C161
0.01

C174
22

R174
15 k

R140
100 k

R515
120 k

C669
47 P

C162
0.01

D27
RB706F-40

S5
T5
R5

C160
0.01

C159
470 P

R134
2.2 k

R239
1 k

KR3

KR2

KR1

KR0

KS4

C158
22

S2
JPM1990-2711R

C155
10

C156
0.1 [OTHER]
0.01

C248
0.01

C679
47 P

C311
0.1

R221
390 k

C244
0.01

R220
330 k

R219
100 k

120 k [OTHER]

R275
4.7 k

only

R276
10 k

only

R218
100 k

120 k [OTHER]

Q36
2SC4116 GR

Q42
DTC144EU

only

R165
120 k [F4GS] only

R154
470 k

R152
470 k

C236
0.01

C144
0.001

C230
0.022

R228
10 k

R225
100 k

R147
12 k

C196
470 P

SCK
SI
SO
DAST

VSS

SDA

SCL

VCC

IC7
HN58X2432TI [OTHER]
HN58X2464TI

R525
1 k

C245
0.01

CLOUT

CLIN

NOIS

VIN

XIN
XOUT
RESET

CSIFT

R102
10

R101
1 M

C193
8 P

C194
12 P

X2
CR-663

R226
1 k

R232
1 k

CONT

R193
100 k

R194
100 k

R195
100 k

R196
100 k

R273
100 k

only

R272
100 k

only

R235
680 k

R241
1 M

R242
1 M

R243
1 M

C199
0.1

C250
0.01

R207
47 k

R234
22 k [OTHER]
10 k

Q35
2SC4116 GR

C227
0.1 [OTHER]
0.047

Q38
DTC144EE

OPT2

OPT1

CTDA0

CTDA1

CTDA2

CCS

OPT3

CIRQ
BUSY

OPT2

OPT1

CCS

OPT3

CIRQ
BUSY

R202
47 k

R203
47 k

R224
27 k [OTHER]
12 k

R227
47 k

C219
0.0082

C228
820 P

C216
0.1

R190
22 k

R191
22 k

R192
22k

R197
220 k

R198
18 k

R532
470 k

Q405
XP1213

R213
470

R212
68 k

C198
2.2

C200
0.033

C201
0.1

C222
0.1

IC12A
NJM2904V

R211
120 k

IC12B
NJM2904V

IC15
TC7S66FU

only

IC14 TC7S66FU

C221
0.039

C202
0.01

R238
1 k

R240
1 k

C249
0.01

KS0

KS1

KS2

KS3

S1
JPM1990-2711R

C169
0.001

Q31
DTC144TU

EXT.SP

AFOUT
SP

CLONE

C173
47 [OTHER]
33

J3
HSJ1456-01-220A

C167
47 P

C168
0.001

C283
0.001

C675
470 P

BDET

VCC

DISCIN

AFOUT

CPU5

VCC

DISCIN

AFOUT

CPU5

C225
0.0068

R200
47 k

R533 100 k

R199
47 k

P10/TMOW

VSS

COM4

COM3

COM2

COM1

KS4

VCC

PA3/COM4

PA2/COM3

PA1/COM2

PA0/COM1

P50/WKP0/SEG1

P51/WKP1/SEG2

P52/WKP2/SEG3

P53/WKP3/SEG4

P81/AN1

P82/AN2

P83/AN3

P84/AN4

P85/AN5

P86/AN6

P87/AN7

AVREF

VTREF

TONED

TONEM

AVCC

PE3/SEG52/CL1

LVIN

REMO

PTT

CTCIN

CPU5

DTMF

MTONE

100

VIN

VOUT

CTRL

GND

CLIN

CLOUT

BDET

MMUT

R5C

RMUT

OPV1

OPV2

OPV3

GND

OPT3

OPT2

OPT1

SIGOUT

MOWN

BUSY

AUX

MICIN

MICOUT

PTTOUT

PTTIN

SCK

CIRQ

CCS

REM

AFOUT

DISCIN

RXMUTE

RMUTE

BEEPOUT

AFONOP

MICMUTE

MMUTE

VCC

GND

to Optional unit

J5
AXN330C038

BUSY

DUSE

DET

S5C

TONE

MTONE

DTMF

REM

NWC

FRQCOM

CTCSS

CTCIN

ESDA

ESCK

DBAL

DEV

DET

CTCIN

DAST

SPEAKER

SP1
K036NA500-47

W1
OPC-963

PLST

CPU5

R510
1 k

R509
10 k

C674
47 P

R503
10 k

R507
1 k

R508
1 k

C672
47 P

L441
1.0 H

EP10

BLM11B221SB

EP11

BLM11B221SB

L443 BLM21P300S

R520 330

R521 330

C565
47 P

C566
47 P

R519
1 k

C550
22

CPU5

R153
470 k

L442
0.1 H

R517
68 k

180 k [OTHER]

R229
560 k

180 k [OTHER]

R230
180 k

56 k [OTHER]

R231
68 k

22 k [OTHER]

R105
470 [OTHER]
390

R44
8.2 k [OTHER]
10 k

R114
33 k [OTHER]
22 k

R107
82 k

150 k [OTHER]

C137
0.033

0.027 [OTHER]
0.012

C663
0.047

R133 4.7

C662
0.1

R146
12 k

R534
1 k

Tx: 4.79 V
Rx: 0.00 V

4.89 V

Tx: 4.84 V
Rx: 0.19 V

4.84 V

4.99 V

CTCSS
1.08 Vp-p

Tx: 2.20 V
Rx: 2.20 V

R 1.4 Vp-p ( a) 1 kHz, –1.5 kHz)
T 2.3 Vp-p ( a) 1 kHz, 15 mV mic input)

Tx: 2.20 V
Rx: 2.21 V

AFON
3.96 V

Tx: 0.00 V
Rx: 4.97 V

5.01 V

4 Vp-p
(a)1 kHz, 15 mV mic input)

Tx: 2.19 V
Rx: 2.20 V

2.5 Vp-p
( a)1 kHz, –1.5 kHz)

DTMF 2.2 Vp-p
BEEP 2.5 Vp-p

2.59 V

Tx: 0.03 V
Rx: 1.99 V

78 mVp-p
( a)88.5 Hz CTCSS, –0.35 kHz)

1.2 Vp-p
( a)88.5 Hz CTCSS, –0.35 kHz), 3.7 V P-P(DTCS)

Tx: 1.07 V
Rx: 0.07 V

DTCS

720 mVp-p

840
mVp-p

DTCS

2.8 Vp-p

3.2 Vp-p

Tx: 3.46 V
Rx: 1.52 V

CTCSS 3 Vp-p

SECTION 12

VOLTAGE DIAGRAM

12 - 1

Summary of Contents for IC-F3GT

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

Page 2: ...3GT MAIN UNIT 1 pieces 8810009510 Screw BT M2 x 4 NI ZU IC F3GS Chassis 10 pieces Addresses are provided on the inside back cover for your convenience 1 Make sure a problem is internal before disassem...

Page 3: ...EDURES 5 1 PREPARATION 5 1 5 2 PLL ADJUSTMENT 5 3 5 3 TRIMMER ADJUSTMENT 5 4 5 4 TRANSMITTER ADJUSTMENT 5 6 5 5 RECEIVER ADJUSTMENT 5 6 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY...

Page 4: ...version 32 ch 16 channels 2 banks 2 BANK version 16 ch 16 channel version 7 2 V DC negative ground supplied battery pack 1 6 A 700 mA 250 mA 70 mA 2000 Hz W M type 1 5 kHz N type 0 0005 25 C to 55 C...

Page 5: ...902V Q37 DTA144EU FM IF IC IC2 TA31136FN D CPU IC8 HD6433876B50H EEPROM IC7 HN58X2432TI OTHER HN58X2464TI H D A converter IC10 M62363FP 650C PLL reference oscillator X1 CR 664A 15 3 MHz OTHER CR 671A...

Page 6: ...rate front panel and chassis REMOVING THE MAIN UNIT 1 Remove the searing rubber 2 Unsolder 4 points D and unscrew 1 nut E 3 Unscrew 3 screws F and 6 screws G silver 2 mm to separate the chassis and th...

Page 7: ...PTIONAL UNIT INSTALLATIONS 1 Remove the option cover 2 Connect one of UT 96 UT 105 UT 108 UT 109 UT 110 and UT 111 optional unit to J5 3 Replace the option cover to the chassis hole Option cover Optio...

Page 8: ...pass through a crystal filter at the next stage of the 1st mixer The signals from the RF circuit are mixed at the 1st mixer Q13 with a 1st LO signal coming from the VCO circuit to produce a 31 05 MHz...

Page 9: ...de and narrow band mode 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUIT The microphone amplifier circuit amplifies audio signals with 6 dB octave pre emphasis characteristics from the micr...

Page 10: ...eference frequency causing a lock voltage change to compensate for the drift in the oscillated frequency A portion of the VCO signal is amplified at the buffer ampli fier Q4 and is then applied to the...

Page 11: ...regulator control signal Low While power is ON Outputs R5 regulator control signal Low While receiving Outputs T5 regulator control signal Low While transmitting Outputs APC circuit control signal Hi...

Page 12: ...ws 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 800 600 pixel display recommend ed ADJUSTMENT SOFTWAR...

Page 13: ...PF T2 45 2Dh 0 88 V BPF T3 76 4Ch 1 49 V T4 POW 60 3Ch 1 18 V REF 112 70h 2 20V DTCS BL 90 5Ah 1 76 V Dev 45 2Dh 0 88 V SQL Lev 0 00h 1 18 V CH No 01 RX Freq 216 050 TX Freq RF Power High TCXO Transce...

Page 14: ...meter Speaker 8 Audio generator OPC 478 CAUTION DO NOT transmit while an SSG is connected to the antenna connector DC POWER SUPPLY GND DC power cable connections SOFTWARE ADJUSTMENT PLL ADJUSTMENT Top...

Page 15: ...nd Receiving Transmitting MAIN Connect a digital multi meter to check point LV 2 0 V 1 5 2 5 V MAIN L11 Verify ADJUSTMENT ADJUSTMENT CONDITIONS UNIT LOCATION VALUE UNIT ADJUST MEASUREMENT ADJUSTMENT L...

Page 16: ...C jack DTCS code 007 Transmitting REFERENCE FREQUENCY TXF OUTPUT POWER POWER LO POWER HI FM DEVIATION MOD DTCS WAVE FORM DTCS BAL Top panel Top panel Top panel Top panel Loosely couple a frequnecy cou...

Page 17: ...ceiving Receiving RX SENSITIVITY BPF 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...

Page 18: ...01670 S DIODE RB706F 40T106 D33 1790001670 S DIODE RB706F 40T106 D34 1790000950 S ZENER MA8056 M TX E only FI1 2010002430 S XTAL FL 311 31 05 MHz OTHER 2010002440 S XTAL FL 312 31 05 MHz G 2030000130...

Page 19: ...80 S RESISTOR ERJ3GEYJ 222 V 2 2 k I R88 7030003620 S RESISTOR ERJ3GEYJ 333 V 33 k R 7030003630 S RESISTOR ERJ3GEYJ 393 V 39 k OTHER R89 7030003450 S RESISTOR ERJ3GEYJ 122 V 1 2 k R90 7030003780 S RES...

Page 20: ...RESISTOR ERJ3GEYJ 1R0 V 1 R258 7030003620 S RESISTOR ERJ3GEYJ 333 V 33 k R260 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 k R261 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 k R262 7030003440 S RESISTOR ERJ3GE...

Page 21: ...J T A OTHER C122 4030007170 S CERAMIC C1608 CH 1H 221J T A I 4030010760 S CERAMIC C1608 CH 1H 331J T A OTHER C123 4030006860 S CERAMIC C1608 JB 1H 102K T A C124 4030006900 S CERAMIC C1608 JB 1H 103K T...

Page 22: ...0 S CERAMIC C1608 CH 1H 270J T A A 4030009990 S CERAMIC C1608 CH 1H 200J T A OTHER C288 4030006860 S CERAMIC C1608 JB 1H 102K T A C289 4030006900 S CERAMIC C1608 JB 1H 103K T A C290 4030007030 S CERAM...

Page 23: ...040390 SP net B 1 MP30 8930046050 SP net C 1 MP31 8810009510 Screw BT M2 x 4 NI ZU 8 MP32 8810009560 Screw BT M2 x 6 ZK 7 MP33 8810000100 Screw M2 x 4 4 MP36 8930051330 2251 contact rubber 1 MP37 8930...

Page 24: ...C MP37 C MP21 C MP3 M DS1 M EP2 M MP1 M MP2 M MP18 C MP40 C MP22 C MP32 C MP5 M MP23 C MP12 C MP3 C MP32 C MP13 C MP13 C MP27 C MP10 C MP26 C MP4 C MP25 C MP32 C MP5 C MP14 C MP38 C MP36 C MP31 C MP31...

Page 25: ...N911 H Symbol 6P XP1213 Symbol 9L 3SK320 Symbol U7 XP6501 AB Symbol 5N 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 D S G2 G1 B E C B E...

Page 26: ...13 R7 R5 R3 R2 C205 C5 R9 W7 R210 R53 C52 C4 C2 C1 R1 R52 C92 C90 C81 C78 R222 R62 R57 C85 C93 C84 R64 R65 C73 C10 R108 C135 R116 C124 C243 R251 C179 R17 R97 C54 C51 C300 C303 R253 C111 C115 C117 L7 C...

Page 27: ...1 C65 C69 R50 R49 W8 C70 C123 C236 C244 R150 C71 R48 R51 D7 C66 C53 L8 R18 C27 R68 R69 C29 R77 C28 R26 C36 R25 C35 C38 D13 D5 C37 C39 L34 L10 C31 Q6 C30 C62 R41 C61 C42 R29 C218 C44 C41 C45 C47 R184 R...

Page 28: ...52 C4 C2 C1 R1 R52 C92 C90 C81 C78 R222 R62 R57 C85 C93 C84 R64 R65 C73 C10 R108 C135 R116 C124 C243 R251 C179 R17 R97 C54 C51 C300 C303 R253 C111 C115 C117 L7 C290 C112 R244 C116 R83 R82 C159 R86 R85...

Page 29: ...W8 C70 C123 C236 C244 R150 C71 R48 R51 D7 C66 C53 L8 R18 C27 R68 R69 C29 R77 C28 R26 C36 R25 C35 C38 D13 D5 C37 C39 L34 L10 C31 Q6 C30 C62 R41 C61 C42 R29 C218 C44 C41 C45 C47 R184 R152 R227 R202 C219...

Page 30: ...C1 R1 R52 C92 C90 C81 C78 R222 R62 R57 C85 C93 C84 R64 R65 C73 C10 R108 C135 R116 C124 C243 R251 C179 R17 R97 C54 C51 C300 C303 R253 C111 C115 C117 L7 C290 C112 C307 C308 R244 R269 C116 R83 R82 C159 R...

Page 31: ...23 C236 C244 R150 C71 R48 R51 D7 C66 C53 L8 R18 C27 R68 R69 C29 R77 C28 R26 C36 R25 C35 C38 D13 D5 C37 C39 L34 L10 C31 Q6 C30 C62 R41 C61 C42 R29 C218 C44 C41 C45 C47 R184 R152 R227 R202 C219 R123 C14...

Page 32: ...030000500 S RESISTOR MCR10EZHJ 10 k 1 R6 7030000190 S RESISTOR MCR10EZHJ 27 270 1 R7 7030001740 S RESISTOR MCR10EZHJ 2 k 1 R8 7030001740 S RESISTOR MCR10EZHJ 2 k 1 R9 7030000590 S RESISTOR MCR10EZHJ 5...

Page 33: ...27 C2 0 1 R7 2 k R8 2 k R9 56 k R10 10 k R4 10 k Q4 2SC2712 GR C3 0 1 Q2 RN2404 R3 27 D1 1SS355 Q3 RN1409 D3 MA8056 M R11 1 k C1 0 1 13 80 V 12 49 V 12 47 V 11 82 V 11 80 V 5 62 V 0 V 0 74 V 0 73 V 0...

Page 34: ...SET LPF LPF BUFF 5 CPU VCC IC11 S 80942ANMP DD6 IC6 TK11250BM OTHER NJM2870 A S5C S5 CONT CPU5 NWC Q20 DTA144EU REG S5 S5 Q21 2SA1577 Q IC3B NJM2902V HPF LPF IC4 BU4066BCFV SD NOIS CPU5 Q18 2SB1132 R...

Page 35: ...TI Q R228 10 k R225 100 k C245 0 01 CLOUT CLOUT CLIN CLIN NOIS NOIS VIN XIN XOUT RESET CSIFT R102 10 R101 1 M C193 8 P C194 15 P X2 CR 663 R226 1 k R232 1 k CONT R193 100 k R194 100 k R195 100 k R196...

Page 36: ...6 FILOUT 7 FILIN 8 AFOUT 9 QUAD 10 IFOUT 11 RSSI 12 N DET 13 N REC 14 GND 15 MIXIN 16 IC2 TA31136FN D C117 0 001 R83 470 R270 47 k D only C113 0 001 C112 0 001 R136 100 C114 0 033 C303 0 001 C66 18 P...

Page 37: ...C82 0 001 R57 100 k R62 100 k C138 0 001 R258 33 k C85 180 P C83 1 P 2 U350B D11 HVU350B 7 0 k R66 00 k R64 100 k 95 001 C93 0 001 R65 100 k C92 100 P C94 1 P T3 T2 T1 C73 0 1 R59 470 C87 0 01 C88 0 0...

Page 38: ...01 C204 0 001 L24 2 7 H D1 MA77 C10 0 001 C251 0 001 C252 0 001 L4 50 nH C281 0 001 L31 7 5 nH C18 0 001 C13 0 001 R2 2 2 k R3 2 2 k R161 22 k R162 22 k C287 20 P OTHER 27 P A C278 20 P OTHER 27 P A D...

Page 39: ......

Page 40: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13713IZ C1V q 2000 Icom Inc...

Page 41: ...SERVICE MANUAL UHF FM TRANSCEIVERS...

Page 42: ...4GT MAIN UNIT 1 pieces 8810009510 Screw BT M2 x 4 NI ZU IC F4GS Chassis 10 pieces Addresses are provided on the inside back cover for your convenience 1 Make sure a problem is internal before disassem...

Page 43: ...CTION 5 ADJUSTMENT PROCEDURES 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 INFORMATIO...

Page 44: ...annels 2 banks 2 BANK version 16 ch 16 channel version 7 2 V DC negative ground supplied battery pack 1 55 A 800 mA 250 mA 70 mA 2 0 kHz W M type 1 5 kHz N type 0 00025 25 C to 55 C 30 C to 60 C 22 C...

Page 45: ...2363FP 650C EEPROM IC7 HN58X2432TI OTHER HN58X2464TI 100 channel version CPU IC8 HD6433876B50H Low pass filter circuit Antenna switcing circuit D2 D8 MA77 Power amplifier Q1 2SK2974 IF amplifier Q14 2...

Page 46: ...o separate front panel and chassis REMOVING THE MAIN UNIT 1 Remove the searing rubber 2 Unsolder 4 points D and unscrew 1 nut E 3 Unscrew 3 screws F and 6 screws G silver 2 mm to separate the chassis...

Page 47: ...NAL UNIT INSTALLATIONS 1 Remove the option cover 2 Connect one of UT 96 UT 105 UT 108 UT 109 UT 110 UT 111 and UT 113 optional units to J5 3 Replace the option cover to the chassis hole Option cover O...

Page 48: ...will pass through a crystal filter at the next stage of the 1st mixer The signals from the RF circuit are mixed at the 1st mixer Q13 with a 1st LO signal coming from the VCO circuit to produce a 46 35...

Page 49: ...el both wide band mode and narrow band mode 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUIT The microphone amplifier circuit amplifies audio signals with 6 dB octave pre emphasis character...

Page 50: ...requency A portion of the VCO signal is amplified at the buffer ampli fier Q4 and is then applied to the receive 1st mixer Q13 or transmit buffer amplifier circuit Q403 via the T R switch ing diode D3...

Page 51: ...5 regulator control signal Low While power is ON Outputs R5 regulator control signal Low While receiving Outputs T5 regulator control signal Low While transmitting Outputs APC circuit control signal H...

Page 52: ...400 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 800 60...

Page 53: ...T3 76 4Ch 1 49 V T4 POW 60 3Ch 1 18 V REF 112 70h 2 20V DTCS BL 90 5Ah 1 76 V Dev 45 2Dh 0 88 V SQL Lev 0 00h 1 18 V CH No 01 RX Freq 216 050 TX Freq RF Power High TCXO Transceiver s connection state...

Page 54: ...meter Speaker 8 Audio generator OPC 478 CAUTION DO NOT transmit while an SSG is connected to the antenna connector DC POWER SUPPLY GND DC POWER CABLE CONNECTIONS SOFTWARE ADJUSTMENT PLL ADJUSTMENT Top...

Page 55: ...ency 430 000 MHz A 470 000 MHz B 500 000 MHz C 512 000 MHz D 520 000 MHz E Receiving Transmitting MAIN Connect a digital multi meter to check point LV 1 3 V 1 3 V B 1 05 V except B 3 0 4 5 V A B C 2 0...

Page 56: ...switch Low No audio applied to the MIC jack DTCS code 007 Transmitting REFERENCE FREQUENCY TXF OUTPUT POWER POWER LO POWER HI FM DEVIATION MOD DTCS WAVE FORM DTCS BAL Top panel Top panel Top panel Top...

Page 57: ...l 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 LOCATION The output level of the standa...

Page 58: ...ICAP HVU350B TRF S Surface mount D403 1720000780 S VARICAP HVU350B TRF D404 1720000400 S VARICAP 1SV245 TPH3 FI1 2010002450 S XTAL FL 313 46 35 MHz L 2010002500 S XTAL FL 321 46 350MHZ G 2030000150 S...

Page 59: ...570 S RESISTOR ERJ3GEYJ 123 V 12 k R104 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 k R105 7030005000 S RESISTOR ERJ2GEJ 471 X 470 OTHER 7030009280 S RESISTOR ERJ2GE H R107 7030003670 S RESISTOR ERJ3GEYJ...

Page 60: ...03 V 10 k R410 7030003500 S RESISTOR ERJ3GEYJ 332 V 3 3 k R411 7030003490 S RESISTOR ERJ3GEYJ 272 V 2 7 k R413 7030003230 S RESISTOR ERJ3GEYJ 180 V 18 C only R414 7030003380 S RESISTOR ERJ3GEYJ 331 V...

Page 61: ...30011770 S CERAMIC C1608 CH 1H 060B T A J C97 4030006970 S CERAMIC C1608 CH 1H 060D T A E 4030006990 S CERAMIC C1608 CH 1H 080D T A B 4030009920 S CERAMIC C1608 CH 1H 050B T A OTHER C98 4030007050 S C...

Page 62: ...8 CH 1H 030B T A C 4030009910 S CERAMIC C1608 CH 1H 040B T A J 4030011770 S CERAMIC C1608 CH 1H 060B T A E C412 4030011770 S CERAMIC C1608 CH 1H 060B T A C413 4030006980 S CERAMIC C1608 CH 1H 070D T A...

Page 63: ...PM1990 2711R S2 2230001070 S SWITCH JPM1990 2711R S3 2230001070 S SWITCH JPM1990 2711R SP1 2510001060 SPEAKER K036NA500 47 W1 8900009640 CABLE OPC 963 W5 7030009970 S JUMPER MJ 0 1 W10 7030003860 S JU...

Page 64: ...4 NI ZU 8 MP32 8810009560 Screw BT M2 x 6 ZK 7 MP33 8810000100 Screw M2 x 4 4 MP36 8930051330 2251 contact rubber 1 MP37 8930050800 2251 jack cap 1 MP38 8950005240 2251 contact spring 1 MP39 886000121...

Page 65: ...P21 C MP3 M DS1 M EP2 M MP1 M MP6 M MP18 C MP8 M MP22 C MP32 C MP5 M MP23 C MP12 C MP3 C MP32 C MP13 C MP13 C MP27 C MP10 C MP26 C MP4 C MP25 C MP32 C MP5 C MP14 C MP36 C MP38 C MP31 C MP31 C MP2 C MP...

Page 66: ...TU Symbol 06 DTC144 EU Symbol 26 XP1214 Symbol 9H XP1213 Symbol 9L DTC144 EE Symbol 26 XP6501 AB Symbol 5N 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 D S G2 G1...

Page 67: ...C12 IC6 L443 Q20 C117 C659 R445 R253 C452 R177 R108 R33 C55 C54 R15 R9 R7 C26 R17 C75 C15 R65 C234 R223 J6 R185 C233 C672 C42 R81 R80 C56 R12 C93 C95 W15 R13 R34 R41 C60 R511 C673 R109 R509 R503 R523...

Page 68: ...07 C251 R160 R100 R178 C455 C169 R144 R104 R262 R109 C162 R141 R139 C161 R260 C107 C426 C410 R410 C424 C423 C566 C219 Q16 R140 C662 C248 C232 R215 C231 C193 R103 D14 C196 C209 R516 R241 R242 BUSY OPTI...

Page 69: ...C21 Q1 C14 W5 C12 IC6 Q20 C117 C659 R445 R253 C452 C136 C135 R177 R108 R33 C55 C54 R15 R9 R7 C26 R17 C75 C15 R65 C234 R223 J6 R185 C233 C672 C42 R81 R80 C56 R12 C93 C95 W15 R13 R34 R41 C60 R511 C673 R...

Page 70: ...C204 C403 C404 R402 D401 C407 C251 R160 R100 R178 C455 C169 R144 R104 R262 R109 C162 R141 R139 C161 R260 C107 C426 C410 R410 C424 C423 C566 C219 Q16 R140 C662 C248 C232 R215 C231 C193 R103 D14 C196 C2...

Page 71: ...IC6 L443 Q20 C117 C659 R445 R253 C452 R177 R108 R33 C55 C54 R15 R9 R7 C26 R17 C75 C15 R65 C234 R223 J6 R185 C233 C672 C42 R81 R80 C56 R12 C93 C95 W15 R13 R34 R41 C60 R511 C673 R109 R509 R503 R523 R42...

Page 72: ...69 R144 R104 R262 R109 C162 R141 R139 C161 R260 C107 C426 C410 R410 C424 C423 C566 C219 Q16 R140 C662 C248 C232 R215 C231 C193 R103 D14 C196 C209 R516 R241 R242 BUSY OPTION B5542B J5 F C R510 R137 C14...

Page 73: ...6 C135 R177 R108 R33 C55 C54 R15 R9 R7 C26 R17 C75 C15 R65 C234 R223 J6 R185 C233 C672 C42 R81 R80 C56 R12 C93 C95 W15 R13 R34 R41 C60 R511 C673 R109 R509 R503 R523 R421 R521 R520 C674 C472 R508 R115...

Page 74: ...0 R178 C455 C169 R144 R104 R262 R109 C162 R141 R139 C161 R260 C107 C426 C410 R410 C424 C423 C566 C219 Q16 R140 C662 C248 C232 R215 C231 C193 R103 D14 C196 C209 R516 R241 R242 BUSY OPTION B5688B J5 F C...

Page 75: ...030000500 S RESISTOR MCR10EZHJ 10 k 1 R6 7030000190 S RESISTOR MCR10EZHJ 27 270 1 R7 7030001740 S RESISTOR MCR10EZHJ 2 k 1 R8 7030001740 S RESISTOR MCR10EZHJ 2 k 1 R9 7030000590 S RESISTOR MCR10EZHJ 5...

Page 76: ...27 C2 0 1 R7 2 k R8 2 k R9 56 k R10 10 k R4 10 k Q4 2SC2712 GR C3 0 1 Q2 RN2404 R3 27 D1 1SS355 Q3 RN1409 D3 MA8056 M R11 1 k C1 0 1 13 80 V 12 49 V 12 47 V 11 82 V 11 80 V 5 62 V 0 V 0 74 V 0 73 V 0...

Page 77: ...Q37 DTA144EU IC10 M62363FP 650C RESET LPF LPF BUFF 5 CPU VCC IC11 S 80942ANMP DD6 IC6 TK11250BM OTHER NJM2870 A S5C S5 CONT CPU5 Q20 DTA144EU REG S5 S5 Q21 2SA1577 Q IC3B NJM3403AV HPF LPF IC4 BU4066...

Page 78: ...WP 7 VCC 8 IC7 HN58X2432TI OTHER HN58X2464TI O R525 1 k C245 0 01 CLOUT CLOUT CLIN CLIN NOIS NOIS VIN XIN XOUT RESET CSIFT R102 10 R101 1 M C193 8 P C194 12 P X2 CR 663 R226 1 k R232 1 k CONT R193 10...

Page 79: ...4 WKP4 SEG5 P55 WKP5 SEG6 P56 WKP6 SEG7 P57 WKP7 SEG8 P60 SEG9 P61 SEG10 P62 SEG11 P63 SEG12 P64 SEG13 P65 SEG14 P66 SEG15 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 P8...

Page 80: ...0B L402 8 2 nH T3 T2 T1 1LO C11 6 P R524 NTCCM16084LH 223KC R68 10 k R69 1 k C99 0 001 C404 0 001 C403 47 P R402 47 k C19 0 001 Q2 2SK2973 C289 47 P OTHER 470 P B C552 0 001 W12 ERJ3GE JPW Q1 2SK2974...

Page 81: ...H L18 8 2 nH C105 47 P R72 47 k R70 4 7 k D12 HVU350B D11 HVU350B R67 10 k R66 150 k R64 220 k C95 47 P C557 47 P C93 47 P C559 47 P C407 47 P R65 10 k R405 10 k R404 220 k D401 HVU350B Q13 3SK239A C9...

Page 82: ......

Page 83: ...1 1 32 Kamiminami Hirano ku Osaka 547 0003 Japan S 13713IZ C1U 1 2000 Icom Inc...

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