background image

[MAIN UNIT]

[MAIN UNIT]

S.=Surface mount

C50

4550006200 S.TANTALUM

ECST0JY106R

C51

4030007090 S.CERAMIC

C1608 CH 1H 470J-T-A

C52

4030007050 S.CERAMIC

C1608 CH 1H 220J-T-A

C53

4030007040 S.CERAMIC

C1608 CH 1H 180J-T-A

C54

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C55

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C56

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C60

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C61

4030007020 S.CERAMIC

C1608 CH 1H 120J-T-A

C

4030007040 S.CERAMIC

C1608 CH 1H 180J-T-A

B

C62

4030007000 S.CERAMIC

C1608 CH 1H 090D-T-A

C

4030007040 S.CERAMIC

C1608 CH 1H 180J-T-A

B

C63

4030007080 S.CERAMIC

C1608 CH 1H 390J-T-A

C64

4030009910 S.CERAMIC

C1608 CH 1H 040B-T-A

C65

4030009520 S.CERAMIC

C1608 CH 1H 020B-T-A

C66

4030007040 S.CERAMIC

C1608 CH 1H 180J-T-A

C67

4030007010 S.CERAMIC

C1608 CH 1H 100D-T-A

C69

4030007110

S.CERAMIC

C1608 CH 1H 680J-T-A

C70

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C71

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C72

4550006150 S.TANTALUM

ECST1CY105R

C73

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C75

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C76

4030006990 S.CERAMIC

C1608 CH 1H 080D-T-A

C78

4030007010 S.CERAMIC

C1608 CH 1H 100D-T-A

C79

4030009920 S.CERAMIC

C1608 CH 1H 050B-T-A

C80

4030009520 S.CERAMIC

C1608 CH 1H 020B-T-A

B

4030009530 S.CERAMIC

C1608 CH 1H 030B-T-A

C

C81

4030007130 S.CERAMIC

C1608 CH 1H 101J-T-A

C82

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C83

4030009510 S.CERAMIC

C1608 CH 1H 010B-T-A

C84

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C85

4030007160 S.CERAMIC

C1608 CH 1H 181J-T-A

C86

4030009920 S.CERAMIC

C1608 CH 1H 050B-T-A

C87

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C88

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C89

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C90

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C91

4030009920 S.CERAMIC

C1608 CH 1H 050B-T-A

C92

4030007130 S.CERAMIC

C1608 CH 1H 101J-T-A

C93

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C94

4030009510 S.CERAMIC

C1608 CH 1H 010B-T-A

C95

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C96

4030007160 S.CERAMIC

C1608 CH 1H 181J-T-A

C97

4030009910 S.CERAMIC

C1608 CH 1H 040B-T-A

N

4030009920 S.CERAMIC

C1608 CH 1H 050B-T-A

[OTHER]

C98

4030009530 S.CERAMIC

C1608 CH 1H 030B-T-A

N

4030009920 S.CERAMIC

C1608 CH 1H 050B-T-A

[OTHER]

C99

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C100

4030007050 S.CERAMIC

C1608 CH 1H 220J-T-A

A

4030007080 S.CERAMIC

C1608 CH 1H 390J-T-A

[OTHER]

C101

4030007050 S.CERAMIC

C1608 CH 1H 220J-T-A

A

4030007100 S.CERAMIC

C1608 CH 1H 560J-T-A

[OTHER]

C102

4030007030 S.CERAMIC

C1608 CH 1H 150J-T-A

C104

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C105

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C106

4030007080 S.CERAMIC

C1608 CH 1H 390J-T-A

E

4030007090 S.CERAMIC

C1608 CH 1H 470J-T-A

G

4030007100 S.CERAMIC

C1608 CH 1H 560J-T-A

[OTHER]

C107

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C108

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C109

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C110

4030007000 S.CERAMIC

C1608 CH 1H 090D-T-A

[OTHER]

4030009350 S.CERAMIC

C1608 CH 1H 3R5B-T-A

J

4030009510 S.CERAMIC

C1608 CH 1H 010B-T-A

G

C111

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C112

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C113

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C114

4030008900 S.CERAMIC

C1608 JB 1H 333K-T-A

C115

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C116

4030007120 S.CERAMIC

C1608 CH 1H 820J-T-A

I

4030007140 S.CERAMIC

C1608 CH 1H 121J-T-A

[OTHER]

C117

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C118

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C119

4030008680 S.CERAMIC

C2012 JF 1C 105Z-T-A

C120

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C121

4030007170 S.CERAMIC

C1608 CH 1H 221J-T-A

I

4030010760 S.CERAMIC

C1608 CH 1H 331J-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-A

C125

4030006870 S.CERAMIC

C1608 JB 1H 222K-T-A

C126

4030008470 S.CERAMIC

C1608 JB 1H 272K-T-A

C128

4030008680 S.CERAMIC

C2012 JF 1C 105Z-T-A

C129

4550006680 S.TANTALUM

ECST0JY156R

C131

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C132

4030008770 S.CERAMIC

C1608 JB 1H 562K-T-A

C133

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C134

4030007170 S.CERAMIC

C1608 CH 1H 221J-T-A

C135

4030007160 S.CERAMIC

C1608 CH 1H 181J-T-A

C136

4030008770 S.CERAMIC

C1608 JB 1H 562K-T-A

C137

4030008890 S.CERAMIC

C1608 JB 1H 273K-T-A

[OTHER]

4030008900 S.CERAMIC

C1608 JB 1H 333K-T-A

I

C138

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C139

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C140

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C144

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C145

4510004630 S.ELECTROLYTIC ECEV1CA100SR

C146

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C147

4030008920 S.CERAMIC

C1608 JB 1H 473K-T-A

C148

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C149

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C150

4550006200 S.TANTALUM

ECST0JY106R

C151

4030007090 S.CERAMIC

C1608 CH 1H 470J-T-A

C152

4030008920 S.CERAMIC

C1608 JB 1H 473K-T-A

C153

4510006940 S.ELECTROLYTIC EEVFC0J101P

C154

4550006200 S.TANTALUM

ECST0JY106R

C155

4510004630 S.ELECTROLYTIC ECEV1CA100SR

C156

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

D

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

[OTHER]

C158

4550006200 S.TANTALUM

ECST0JY106R

C159

4030006850 S.CERAMIC

C1608 JB 1H 471K-T-A

C160

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C161

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C162

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C163

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C164

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C165

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C166

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C167

4030007090 S.CERAMIC

C1608 CH 1H 470J-T-A

C168

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C169

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C171

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C173

4510004640 S.ELECTROLYTIC ECEV1CA470SP

[OTHER]

4550006760 S.TANTALUM

TEMSVB2 1A 336M-8R

D

C174

4510005430 S.ELECTROLYTIC ECEV0JA220SR

C179

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C193

4030006990 S.CERAMIC

C1608 CH 1H 080D-T-A

C194

4030007030 S.CERAMIC

C1608 CH 1H 150J-T-A

C195

4030007100 S.CERAMIC

C1608 CH 1H 560J-T-A

C196

4030006850 S.CERAMIC

C1608 JB 1H 471K-T-A

C197

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C198

4550006170 S.TANTALUM

ECST1AY225R

C199

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C200

4030008900 S.CERAMIC

C1608 JB 1H 333K-T-A

C201

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C202

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C204

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C205

4030006860 S.CERAMIC

C1608 JB 1H 102K-T-A

C209

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C211

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C212

4030006900 S.CERAMIC

C1608 JB 1H 103K-T-A

C213

4550006170 S.TANTALUM

ECST1AY225R

C214

4030008900 S.CERAMIC

C1608 JB 1H 333K-T-A

C215

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C216

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

[OTHER]

4030011810

S.CERAMIC

C1608 JB 1A 224K-T-N

D

C217

4030011600

S.CERAMIC

C1608 JB 1E 104K-T-N

C218

4030013850 S.CERAMIC

ECUE1E102KBQ

C219

4030009630 S.CERAMIC

C1608 JB 1H 822K-T-A

6 - 4

REF

ORDER

DESCRIPTION

NO.

NO.

REF

ORDER

DESCRIPTION

NO.

NO.

A

: L-band of ETS/CEPT version

B

: L-band

C

: H-band

D

: W/N-type

E

: ETS/CEPT version

F

: W-type and H-band of ETS/CEPT version

G

: W-type of [GEN]

H

: EIA/TIA version

I

: N and W/N type

J

: W-type of ETS/CEPT version

K

: L-band of [GEN] and EIA/TIA version

L

: H-band of [GEN] and EIA/TIA version

M

: N-type of ETS/CEPT version

N

: H-band of ETS/CEPT version

O

: W-type and L-band of [GEN]

P

: M (20 kHz)-type

Q

: 100 channel version

R

: N-type

Содержание IC-F3GT

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 39: ......

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

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 82: ......

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

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