Icom IC-UR8050 Скачать руководство пользователя страница 21

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SECTION 5

BLOCK DIAGRAM

5 - 1

+8 V

MUTE CONT

SQL CONT

+9 V

IC14B
NJM2073M

IC14A
NJM2073M

IC16B
NJM4558M

COMMON

DATA

PLL5V

RX ANT
CONNECTOR

#03 FL-199
#04 FL-238

DET

S OUT

RSSI

NOISE

FILTER

IC5 TA31136F

FRONT UNIT

MIC BOARD

MIC
CONNECTOR

Q10 DTC114EU

Q11 2SJ144

MOD

MUTE

Q12 DTC114EU

Q13 2SJ144

EMP

RX UNIT

Q1 2SC4116
D1 1SS355

#03 CFZM455E10
#04 CFZM455G

UNLOOK

DETECT

Q9 2SA1586
D13 1SS355

PLL IC

PA UNIT

AMP

IC4 TA75S01F

D10 1SV270
D11 1SV270
Q4 2SC5186

CHARGE

PUMP

D14 MA8056

Q10 2SA1587
Q11 2SC4117

TX ANT
CONNECTOR

RF
DET

D1/D2 MA742

APC

CTRL

Q1 2SC4081
Q2 2SB1019

UNLOOK

DETECT

Q12 2SA1586

D5 1SS355

IC3
MB15A02

PLL IC

VCO

N - DATA (RX)

Q2 2SC5186

D2 1SV270

D3 1SV270

CHARGE

PUMP

Q10 2SA1587
Q11 2SC4117
D6 MA8056

TX UNIT

MOD
AGC

MIX
AMP

PRE
EMP

MIC
AMP

SQL

SELCT

R91
INT. SQL. ADJ

AUDIO VR

LED BOARD

COR
SIMULATE

RESET

SP. MUTE

POWER

LOCAL
INHIBIT

BUSY

TRANSMIT

Q5 UMD3

Q7,Q8,Q9 DTC114EU

D1 1SS355
Q1 2SC4116

REF
MOD

IC1 AN78L05M

IC2 AN8003M

UNLOCK(T)

TX
SW

Q8 2SB1132
Q9 DTC114EU

+9V

+13.8V

BUSY

EXT PTT

+13.8V

13.8V

SP–

SP+

GND

EXT PTT

AUX2

EXT. interface IN

EXT.PTT

TX CONTROL

N - DATA(TX)

PTT

CONT.

D17 1SS300
Q14 DTC114EU

TX
SW

SW BOARD

COR
SIMULATE

V.DET

+13.8V

D1–D16 MA6S121
S1–S12

MATRIX

IC1

PD78213

CPU

+5V

RESET

IC7 TC74HC04
IC8 S-80845ALUP

ROM

PIO

ADDRESS
DECODER

ADDRESS

SELECT

+9V

S13.8V

+5 V

EXT. interface OUT

+9
REG

+13.8V

REG UNIT

+13.8V

BUSY

S-METER

STB

TX EXT

NOTE

GROUNDING
TERMINAL

+
–

LOGIC UNIT

LOCAL
INHIBIT

POWER
SWITCH

CDBC455X24

IC12A
MJM4558M

IC2B
MJM4558M

IC13A
MJM4558M

IC13B
MJM4558M

IC15
LA4425A

R47
R_MOD. SET

R61
MIC LEVEL

SQUELTCH
VR

DS1

DS7

DS4

DS5

DS6

DS2

DS3

LED

DC 13.8 V

IC3 TA75S01F

R16

RF-POWER ADJ

VCO

IC1 AN78L05M

IC2
AN8003M

X3
CR-608

Q8
2SC2714

Q7
3SK184

IC6
CB424

D8/D9
1SV270

Q3
3SK184

D5/D7
1SV270

Q2
3SK166

D3/D4
1SV270

Q5
2SC4226

Q6
2SC4226

UNLOCK (R)

IC3 MB15A02

R8V

R5V

X1
CR-473

FI2

R35
LO OUT
SET

R30
DO OUT
ADJ.

R83
MOD.
SET

IC19A
NJM4558M

IC18A
NJM4558M

IC18B
NJM4558M

IC17A
NJM4558M

IC17B
NJM4558M

IC16A
NJM4558M

IC19B
NJM4558M

IC5A
NJM4558M

Q13
2SJ144

IC5B
NJM4558M

R50
MOD_ADJ

Q3
2SC4228

Q4
2SC4226

Q5
2SC3356

Q6
MRF9745

IC1
M68703LA

IC4
TA75S01F

R38
FREQ. ADJ

R43
R_MOD. ADJ

VC08V

X1
CR-608

IC6 TC74HC138
IC5 TC74HC374

IC4 NM27C256

IC9
AN78L05M

F3
RGB 20 A

IC1
NJM7809

D1
DSA3A1

MF1

IC21
TA75393F

S1-1

S1-2

S1-3

RESET

S1-4

SP. MUTE

SP1

Q6 DTC114EU

IC20
TC4M53F

AUX1

5
9
4
8
3
7
2
6
1

19
37
18
36
17
35
16
34
15
33
14
32
13
31
12
30
11
29
10
28
9
27
8
26
7
25
6
24
5
23
4
22
3
21
2
20
1

J10

IC10, IC11

PD4049UBG

Q3, Q4
DTC114EU

R52
LI MOD. ADJ

APCV

IC2

PD71055

Содержание IC-UR8050

Страница 1: ...SERVICE MANUAL UHF REPEATER iUR8050 ...

Страница 2: ...ment model name and unit name 4 Quantity required SAMPLE ORDER 1130002390S IC µPD4049UBG IC UR8050 MAIN UNIT 5 pieces 8810008660Screw PH B0 M3x6 NI ZU IC UR8050 Top 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 repeater 2 DO NOT open the repeater until the repeater is disconnected from it...

Страница 3: ...R CIRCUITS 2 2 2 3 PLL CIRCUITS 2 3 2 4 POWER SUPPLY CIRCUITS 2 4 2 5 PORT ALLOCATIONS 2 4 SECTION 3 ADJUSTMENT PROCEDURES 3 1 PREPARATION 3 1 3 2 PLL AND TRANSMITTER ADJUSTMENTS 3 2 3 3 ACC LEVELS REGULATOR OUTPUT AND RECEIVER ADJUSTMENTS 3 3 SECTION 4 PARTS LIST SECTION 5 BLOCK DIAGRAM SECTION 6 VOLTAGE DIAGRAM ...

Страница 4: ... 5 D inch Projections not included Weight 12 kg 26 5 lb M TRANSMITTER Output power 45 W Typical Modulation system Variable reactance modulation and reference modulation Max frequency deviation 2 5 kHz Narrow 5 0 kHz Wide Spurious emissions less than 70 dB Microphone impedance 600 Ω M RECEIVER Receiving system Double conversion superheterdyne Intermediate frequency 1st 30 875 MHz 2nd 455 kHz Sensit...

Страница 5: ... amplifier limiter amplifier noise amplifier and so on The local oscillator section and X1 gen erate 30 42 MHz for the 2nd LO signal The 2nd LO signal from the limiter amplifier IC5 pin 5 is applied to the quadrature detector section IC5 pin 11 and ceramic discriminator X2 to demodulate the 2nd IF signal into an AF signal The AF signal is output from pin 9 of IC5 2 1 4 SQUELCH CIRCUIT RF AND LOGIC...

Страница 6: ...control circuit PA unit is applied to the YGR amplifier Q6 to stable RF output power 2 2 4 RF POWER AMPLIFIER CIRCUIT PA UNIT IC1 is a power module which provides a stable 45 W of out put power The amplified signal from the TX unit passes through the low pass filter C16 C17 L6 and is then applied to power amplifier IC1 The amplified signal is applied to the RF detector circuit D1 D2 and passes thr...

Страница 7: ...plied to PLL IC IC3 pin 8 and the buffer amplifier Q6 The buffer amplified signal is applied to the mixer circuit IC6 pin 3 2 3 5 TRANSMITTER PLL CIRCUIT TX UNIT The PLL IC IC3 which includes in the prescaler the pro grammable counter and the phase comparator generates the 1st LO frequency with a Colpitts VCO D2 D3 Q2 The PLL IC sets the dividing ratio based on N data from the CPU LOGIC unit IC1 t...

Страница 8: ...uit REG unit IC1 by the 5 V regulator cir cuit LOGIC unit IC9 The output voltage is applied to RESET circuit LOGIC unit Pin Port Description number name 3 4 5 29 30 31 32 45 46 47 48 49 54 55 56 57 58 P62 A18 P61 A17 P60 A16 P21 INTP0 P22 INTP1 P23 INTP2 C1 P24 INTP3 P74 AN4 P73 AN3 P72 AN2 P71 AN1 P70 AN0 P00 P01 P02 P03 P04 Outputs LOCAL INHIBIT LED control signal Outputs COR SIMURATE LED contro...

Страница 9: ...RADE AND RANGE Output voltage 9 16 V DC Current capacity 20 A or more Measuring range 1 100 W Frequency range 300 600 MHz Impedance 50 Ω SWR Less than 1 2 1 Frequency range 0 1 600 MHz Frequency accuracy 1 ppm or better Sensitivity 100 mV or better Frequency range 30 600 MHz Measuring range 0 to 10 kHz Frequency range 300 3000 Hz Measuring range 1 500 mV EQUIPMENT Standard signal generator SSG Osc...

Страница 10: ...ing Set an AG as 50 Hz 1 V Transmitting Connect an AG to MIC connector and set as 1 kHz 4 mV Transmitting LOCAL INHIBIT switch OFF Connect an SSG to the RX ANT connector and set as Level 1 mV 60 dBµ Deviation 3 kHz Modulation 1 kHz Receiving Set an SSG as Deviation 5 0 kHz 03 2 5 kHz 04 Receiving PLL LOCK VOLTAGE REFERENCE FREQUENCY OUTPUT POWER DEVIATION MAXIMUM MICROPHONE REPEATER TX RX Rear pan...

Страница 11: ...tor connect point 1 2 MOD 3 GND 1 kHz 1 V P1 L3 PLL lock voltage adjustment for TX R43 R MOD Maximum deviation adjustment TX unit R16 Hi Output power adjustment PA unit RX unit L16 PLL lock voltage adjustment F Reference frequency check point LV PLL lock voltage check point R61 MIC Deviation adjustment MICROPHONE R47 MOD Deviation adjustment REPEATER LOGIC unit ...

Страница 12: ...HIBIT switch ON Receiving freq 415 000 MHz Connect an SSG to the RX ANT connector and set as Level 3 2 µV 97 dBm Deviation 3 0 kHz 03 1 5 kHz 04 Modulation 1 kHz Receiving LOCAL INHIBIT switch ON Receiving freq 415 000 MHz Connect an SSG to the RX ANT connector and set as Level 0 32 µV 10 dBµ Modulation OFF Receiving LOCAL INHIBIT switch OFF R91 LOGIC unit Max CW Set an SSG as Level 0 22 µV 13 dBµ...

Страница 13: ...stment VD H VD L R35 LO ACC output level adjustment R30 DO ACC output level adjustment R83 DI ACC output level adjustment R91 SQL Squelch level adjustment CP2 CP1 Regulator output voltage checkpoints LOGIC unit L1 L2 L4 L6 L7 L9 Sensitivity adjustment S Tune voltage check point RX unit ...

Страница 14: ...050541 PCB B 5202A IC1 1140001480 S IC µPD78213GC AB8 IC2 1130004080 S IC µPD71055GB 3B4 IC4 1130004712 IC NM27C256Q150 IC5 1130004790 S IC TC74HC374AF IC6 1130004011 S IC TC74HC138AF IC7 1130004921 S IC TC74HC04AF TP1 IC8 1110001501 S IC S 80845ALUP EA9 T2 IC9 1180000970 S IC AN78L05M E1 IC10 1130002390 S IC µPD4049UBG IC11 1130002390 S IC µPD4049UBG IC12 1110000960 S IC NJM4558M T1 IC13 11100009...

Страница 15: ... S RESISTOR ERJ3GEYJ 224 V 220 KΩ R66 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 KΩ R67 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 KΩ R68 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 KΩ R69 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 Ω R70 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 KΩ R71 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 KΩ R72 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 KΩ R73 7030003720 S RESISTOR ERJ3GEYJ 22...

Страница 16: ...006860 S CERAMIC C1608 JB 1H 102K T A C78 4030006890 S CERAMIC C1608 JF 1H 103Z T A C79 4030006890 S CERAMIC C1608 JF 1H 103Z T A C80 4030006890 S CERAMIC C1608 JF 1H 103Z T A C81 4030006850 S CERAMIC C1608 JB 1H 471K T A C82 4030007130 S CERAMIC C1608 CH 1H 101J T A C83 4030007130 S CERAMIC C1608 CH 1H 101J T A C84 4030006860 S CERAMIC C1608 JB 1H 102K T A C85 4030006850 S CERAMIC C1608 JB 1H 471...

Страница 17: ...TOR ERJ3GEYJ 224 V 220 kΩ R56 7030003450 S RESISTOR ERJ3GEYJ 122 V 1 2 kΩ R57 7030003460 S RESISTOR ERJ3GEYJ 152 V 1 5 kΩ R58 7030003380 S RESISTOR ERJ3GEYJ 331 V 330 Ω R60 7030003650 S RESISTOR ERJ3GEYJ 563 V 56 kΩ R62 7030003530 S RESISTOR ERJ3GEYJ 562 V 5 6 kΩ R64 7030003650 S RESISTOR ERJ3GEYJ 563 V 56 kΩ R65 7030003450 S RESISTOR ERJ3GEYJ 122 V 1 2 kΩ R66 7030003290 S RESISTOR ERJ3GEYJ 560 V ...

Страница 18: ...0006850 S CERAMIC C1608 JB 1H 471K T A C140 4030006850 S CERAMIC C1608 JB 1H 471K T A C141 4030007010 S CERAMIC C1608 CH 1H 100D T A C145 4030006900 S CERAMIC C1608 JB 1E 103K T A C146 4030006860 S CERAMIC C1608 JB 1H 102K T A C149 4030006850 S CERAMIC C1608 JB 1H 471K T A C150 4030006850 S CERAMIC C1608 JB 1H 471K T A C151 4030006850 S CERAMIC C1608 JB 1H 471K T A C153 4030006920 S CERAMIC C1608 ...

Страница 19: ...T A C9 4510004640 S ELECTROLYTIC ECEV1CA470SP C10 4030006850 S CERAMIC C1608 JB 1H 471K T A C11 4030006850 S CERAMIC C1608 JB 1H 471K T A C13 4030006850 S CERAMIC C1608 JB 1H 471K T A C15 4030007000 S CERAMIC C1608 CH 1H 090D T A C17 4030007010 S CERAMIC C1608 CH 1H 100D T A C18 4030007060 S CERAMIC C1608 CH 1H 270J T A C19 4030009550 S CERAMIC C1608 CH 1H 2R5B T A C20 4030009510 S CERAMIC C1608 C...

Страница 20: ...0036340 M OTHER FX2169 P01 P03PA EP1 0910050522 PCB B 5200B 4 7 REF ORDER DESCRIPTION NO NO PA UNIT IC1 1180001320 IC NJM7809FA D1 1790000700 DIODE DSA3A1 R1 7010004680 RESISTOR R2 7010004680 RESISTOR C1 4550002430 TANTALUM DN 1V R33M C2 4550000320 TANTALUM DN 1V 0R1M C3 4510004590 ELECTROLYTIC 16 MV 470 HC C4 4010006880 CERAMIC HE50SJ YB 102K 50V J1 6510003390 CONNECTOR B03B EH S J2 6510003420 CO...

Страница 21: ...R SIMULATE V DET 13 8V D1 D16 MA6S121 S1 S12 MATRIX SW IC1 µPD78213 CPU 5V RESET IC7 TC74HC04 IC8 S 80845ALUP ROM PIO ADDRESS DECODER ADDRESS SELECT 9V S13 8V 5 V EXT interface OUT 9 REG 13 8V REG UNIT 13 8V NC BUSY S METER DI D0 STB D1 A2 D2 A1 D3 A0 DO E E E E TX EXT NOTE GROUNDING TERMINAL LOGIC UNIT LOCAL INHIBIT POWER SWITCH CDBC455X24 X2 IC12A MJM4558M IC2B MJM4558M IC13A MJM4558M IC13B MJM4...

Страница 22: ...62 61 60 59 58 57 56 55 54 53 52 51 50 49 P50 A8 P47 AD7 P46 AD6 P45 AD5 P44 AD4 P43 AD3 P42 AD2 VSS P41 AD1 P40 AD0 ASTB P20 NMI P21 INTP0 P22 INTP1 P23 INTP2 C1 P24 INTP3 P71 AN1 P72 AN2 P73 AN3 P74 AN4 P75 AN5 AVREF AVSS VDD EA P33 SO SB1 P32 SCK P31 TXD P30 RXD P27 SI P26 I5 P25 I4A 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 IC1 µPD78213GC R105 1 k P0 5 R124 1 k X1 CR 505 R112 1 k A 7 R11...

Страница 23: ... 2 k R13 2 7 k R12 100 C33 0 001 C22 0 001 R14 22 k L2 LA 252 C1 6 p C5 9 p 1 3 4 2 5 IC3 TA75S01F R11 820 k R10 10 k C24 10 R2 22 k D2 MA742 C7 1 p L3 LA 252 IC1 M68703LA C9 4 p 7 6 1 2 3 4 5 C12 10 R9 33 k C25 0 001 R8 47 k Q1 2SC4081 C26 0 001 R7 270 Q2 2SB1019 C13 470 p C15 10 R15 22 k R21 27 k C23 0 001 C2 5 p C18 470 p C9 10 C14 470 p L7 LA 239 TX ANT W4 TX UNIT J3 P1 TX UNIT J4 2 3 4 1 C28 ...

Страница 24: ...C4 TA75S01F L13 10 µH Q9 2SA1586 R46 100 k R45 47 k C93 0 1 C92 0 1 R44 22 k C94 0 001 UNLOCK C77 82 p R39 560 R100 390 FI2 CFZM455E10 03 CFZM455G 04 C75 0 22 C76 0 22 C72 0 01 C73 33 p C74 39 p R81 560 k C81 82 p R34 6 8 k R33 1 5 k X1 CR 473 IC1 AN78L05M C88 10 C89 10 C145 0 01 C91 0 001 IC2 AN8003M R51 4 7 k R52 4 7 k Q11 2SC4117 C98 0 001 C99 0 001 R55 220 k R54 1 2 k C97 4 7 C23 0 75 p C31 0 ...

Страница 25: ...5 454 7619 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 Unit 1 103 Garden Road Clayton VIC 3168 Australia Phone 61 03 9549 7500 Fax 61 03 9549 7505 URL http www icom net au E mail sales icom net au 146A Harris Road East Tamaki Auckland New Zealand Phone 64 09 274 4062 Fax 64 09 274 4708 U...

Страница 26: ...6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan A 5351M SU 1998 by Icom Inc ...

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