Icom IC-2800 Скачать руководство пользователя страница 39

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CRYSTAL FIL
FI1 FL-288

V_APC DET
D7, D8 RB706F

U_APC DET
D25, D26
RB706F

U_LOOP FIL
Q101 2SC3324
Q102 2SK880

HI/LOW CTRL
IC5 TA75S01F

AF AMP
IC12 LA4445

U_AF FIL
Q85, Q86
2SC4081

COM_MUTE
IC11 TC4S81F
Q69 2SC4213

U_MUTE
Q71 2SC4213

DTMF DEC UNIT
(UT-49)
OPTION

X1
CR-549
15.2 MHz

UATT

VATT

V_PA
IC1 M67746

NOISE
FIL

V_IF5V
D40 MA8047

X2
CDB450C24

IC6B
IC7A
TC4W66F

1/2

15.65 MHz

V_MIX
Q15 3SK166

PLL
IC2
M64076AGP

V_SHIFT
Q3 DTC144EU
D2 MA77

LVO1

LVO2

LVO3

LVO4

NOISE FIL

CERAMIC FIL
FI6 CFWS450F

U_IF5V REG
D42 MA8047

X3
CDB450C24

46.05 MHz

U_CRYSTAL FIL
FI2 FL-300

U_BPF
FI3 EFCH435
MWNP1

DATAIN

PTTP

AFOUT

DATAOUT

VOL CTRL
IC10 M62429FP

RX/TX

DATA BUS

V_MON AMP
Q81 2SC4081

U_MON AMP
Q87 2SC4081

V_AF FIL
Q83, Q84
2SC4081

U_VCO
Q20,Q21 2SC4228

D20,D21 1SV284

[SEA]
RX 136—174 MHz
TX 140—150 MHz
RX/TX 430—440 MHz

[CSA]
RX 118—174 MHz
TX 140—150 MHz
RX/TX 430—450 MHz

TX/RX FREQ.
[EUR]
RX/TX 144—146 MHz
RX/TX 430—440 MHz

V_VCO FREQ.
[EUR]
RX 128.35—130.35 MHz
TX 144—146 MHz

[EUR]
128.35—130.35 MHz
[ITA], [USA], [SEA], [CSA]
120.35—158.35 MHz

U_VCO FREQ.
[EUR], [SEA]
RX 383.95—393.95 MHz TX 430—440 MHz
[ITA]
RX 353.95—483.95 MHz TX 400—479 MHz
[USA], [CSA]
RX 383.95—403.95 MHz TX 430—450 MHz

V_VCO
Q4, Q5 2SC5085

D3 HVU350

D/A CTRL
IC3 M62354GP

PSQL

PSQL SW
Q73 DTC144EU

V_DC-AMP
Q18 2SK880

TONE FIL
IC20
NJM4558M

CLONE BUFF
Q98 DTC144TU
D74,D75 DA204U

V_MUTE
Q70 2SC4213

V_DRIVE
Q12 2SC2954
D5 DA221
D6 1SS355

EFCH445MWNP1
[USA], [CSA] only

VSQL

VSOUT

USQL

USOUT

DATA, CK, STB

V_LOOP FIL.
Q99 2SC3324
Q100 2SK880

LPF

HPF

LPF

DETO

ATT

HPF

LPF

13.8V

VR8V

UR8V

UAGC

4R8V

UR8V

UAGC

VAGC

VR8V

BPF

DATA

I/O

EXT SP

ANT

VR8V

VAGC

UTX

VTX

V_MOD MUTE
Q2 2SC4213

BUFF AMP
Q6 2SC5085

BUFF AMP
Q8 2SC5193

V_DET SW
Q53 DTC144EU
Q55 2SJ144
Q56 2SC4081

BUFF AMP
Q7 2SC5085

V_ LO SW
D4 MA862

V_IF AMP
Q40 2SC4215
D30 MA133

[SEA], [CSA]
RX 120.35 —158.35 MHz
TX 140—150 MHz

V_PRI DRIVE
Q11 2SC3357

V-1st Lo

BPF
D11, D12, D13
HVU350

D14 1SS355

V_RF AMP
Q16 3SK166

BPF
D15 HVU350
D71 1SS355

V_ANT SW
D9 UM9401F
D16 1SS355
D18 UM9401F

V_ATT CTRL
Q33 2SC4081

APC CTRL
Q30 2SB934P
Q31 2SC4081
D10 DAN202U

U_ATT CTRL
Q45 2SC4081

POW CTRL D/A
Q74 DTC143XU

U—1st Lo

U—1st Lo
[EUR], [SEA]
383.95—393.95 MHz
[ITA] 353.95—483.95 MHz

U_PRI DRIVE
Q28 2SC3357

U_DRIVE
Q29 2SC2954
D24 DA221

U_PA
IC4 SC-1318

U_IF AMP
Q41 2SC5193
D31 RB706F

U_MIX
Q42 DTC144EU
Q43 3SK184
D32 DAN202U

U_RF SW
D33, D76, D77, D78
MA77

× 4

U_ANT SW
D27 UM9401F
D37 1SS355
D39 UM9401F
D72 HVU131TRF

U_RF AMP
Q44 3SK166
D35 1SS355

BUFF AMP
Q24 2SC5085

U_LO BUFF
Q27 2SC5085

U_LO SW
D22 MA862
D23 MA77

U_AGC
Q66 DTC144EU
Q67 2SC4081
D80 1SS355

U_DET SW
Q61 DTC144EU
Q62 2SJ144
Q63 2SC4081

U_MIX, OSC, IFAMP, FMDET,
SDET, NOISE AMP, SQLSW, AFFIL

IC8 TA31136FN

U_RF SW
D36 MA862

U_AM DET
Q64, Q65 2SK880

D43 RB706F

CERAMIC FIL
FI4
ALFY450F-K

CERAMIC FIL
FI5
CFWS450HT

IC6A
IC7B
TC4W66F

W/N CHENGER
Q54 2SK1829
[EUR], [ITA] only

V—2nd Lo : 15.2 MHz

V_MIX, OSC, IFAMP, FMDET,
SDET, NOISEAMP, SQLSW, AFFIL

IC28 TA31136FN

V_AM DET
Q57, Q59
2SK880

D41 RB706F

V_AGC
Q95 DTC144EU
Q60 2SC4081
D79 1SS355

BUFF AMP
Q22 2SC5085

BUFF AMP
Q23 2SC5193

TONE, DATA
SELECTOR
IC29
BU4053BCFV

[EUR], [ITA] only

DET SELECTOR
IC21 BU40668CFV
Q82 DTC144EU

PACKET DET
SELECTOR
IC13 BU40668CFV
Q72 DTC144EU

PTTP CTRL
Q96 2SC4081
D73 1SS355

CLONE I/O

W/N CHANGER
Q52 2SC4116

W/N CTRL
Q58 DTA144EU

PO CTRL (8 BIT)

[USA]
RX 120.35—158.35 MHz
TX 144—148 MHz

V-1st Lo

[ITA]
RX/TX 136—174 MHz
RX 400—530 MHz
TX 400—479 MHz

[USA]
RX 118—174 MHz
TX 144—148 MHz
RX/TX 430—450 MHz

[ ITA]
RX 120.35—158.35 MHz
TX 136—174 MHz

MAIN UNIT

COMPLETE VIEW

Downloaded by

Amateur Radio Directory

Содержание IC-2800

Страница 1: ...A 5570MI S 1999 by Icom Inc 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan Count on us DUAL BAND FM TRANSCEIVER iC 2800h iC 2800h Downloaded by Amateur Radio Directory ...

Страница 2: ... used for all adjustments 5 DO NOT keep power ON for a long time when the transceiver is defective 6 DO NOT transmit power into a signal generator or a sweep generator 7 ALWAYS connect a 50 dB or 60 dB attenuator between the transceiver and a deviation meter or spectrum analyser when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the t...

Страница 3: ...Y CIRCUITS 4 5 4 5 CPU PORT ALLOCATIONS 4 5 SECTION 5 ADJUSTMENT PROCEDURES 5 1 PREPARATION 5 1 5 2 PLL AND TRANSMITTER ADJUSTMENTS 5 2 5 3 RECEIVER ADJUSTMENT 5 4 SECTION 6 PARTS LIST SECTION 7 MECHANICAL PARTS AND DISASSEMBLY SECTION 8 SEMI CONDUCTOR INFORMATION SECTION 9 BOARD LAYOUTS 9 1 CONTROL UNIT 9 1 9 2 MAIN UNIT 9 3 SECTION 10 BLOCK DIAGRAM SECTION 11 VOLTAGE DIAGRAM 11 1 CONTROL UNIT 11...

Страница 4: ...e reactance frequency Maximum frequency deviation 5 0 2 5 kHz EUR and ITA versions only Spurious emissions Less than 60 dB Microphone connector 8 pin modular 600 Ω M RECEIVER Receive system Double conversion superheterodyne Intermediate frequency VHF 1st IF 15 65 MHz 2nd IF 450 kHz UHF 1st IF 46 05 MHz 2nd IF 450 kHz Sensitivity at 12 dB SINAD Less than 0 18 µV Squelch sensitivity threshold Less t...

Страница 5: ...F antenna switch D27 D37 D39 D72 UHF 1st mixer Q42 Q43 D32 VHF antenna switching D9 D16 D18 VHF power module IC1 M67746 VHF APC DET D7 D8 RB706F VHF RF amplifier Q16 3SK166 High Low control IC IC5 TA75S01F VHF 1st mixer Q15 3SK166 AF amplifier IC12 LA4445 VHF FM IF IC IC28 TA31136FN UHF power module IC4 SC 1318 UHF APC DET D25 D26 RB706F SUB CPU IC10 HD6433032SK T data buffer amplifier Q12 2SC4081...

Страница 6: ...screws A and remove the cover w Unplug J5 to separate the speaker and front panel e Remove rear panel in the deirection of the arrow r Remove 6 knobs B t Unscrew 5 screws C and remove the CONTROL unit in the direction of the arrow y Unscrew 2 screws D when remove the LCD r Unsolder 3 points D and unscrew 11 nut E t Remove the MAIN unit in the direction of the arrow A B B C Cover J4 E E E E MAIN UN...

Страница 7: ...ity The filtered signals are applied to the VHF 1st mixer circuit Q15 The tunable bandpass filters D11 D13 D15 employ varac tor diodes to tune the center frequency of the RF passband for wide bandwidth receiving and good image response rejection The PLL lock voltage is used for control voltage of these varactor diodes The PLL lock voltage is amplified at the DC amplifier Q18 and then applied to th...

Страница 8: ... RF sig nals are received By detecting noise components in the AF signals the squelch circuit switches the AF mute switch Some of the noise components in the AF signals from the FM IF IC IC28 pin 9 are passed through the active filter section IC28 pin 8 7 and then applied to the noise detector sec tion IC28 The variable resister R196 adjusts the input level of the active filter and the level is us...

Страница 9: ... applied to the CPU IC19 pin 95 The SQL CONTROL unit R148 controls the input level of the sub CPU CONTROL unit IC10 pin 61 in DC voltage The sub CPU reads the angle of the SQL rotation then send the squelch data to the CPU incorporated in the RDATA line Then the CPU controls U AF mute switch Q71 via the UAMUTE line 4 2 TRANSMITTER CIRCUITS 4 2 1 MICROPHONE AMPLIFIER CIRCUIT The microphone amplifie...

Страница 10: ...gnal from the power amplifier IC4 pin 1 is passed through the antenna switching circuit D27 and is then applied to the antenna connector via a bandpass filter L42 L45 L82 C186 C190 C467 C493 4 2 9 UHF APC CIRCUIT The APC detector circuit D25 and D26 detects forward sig nals and refrection signals respectively The combined volt age is at a minimum level when the antenna is matched at 50 Ω and incre...

Страница 11: ... regardless of the power ON OFF condition Common 5 V produced from the C5V at the PLL5V regulator circuit Q13 Q14 using control signal from 8V line Common 8 V converted from the 13 8V line by the 8V regulator circuit IC14 VHF transmit 8 V converted from the 8V line at the VT8V regulator circuit Q9 Q10 UHF transmit 8V converted from the 8V line at the UT8V regulator circuit Q25 Q26 Receive VR8V pro...

Страница 12: ...tputs data signal for the electronic volume IC IC10 Input port for packet PTT signal High Packet PTT switch is ON Input port for the PTT switch High While PTT switch is pushed PLL unlock signal input port for VHF band High PLL unlock on VHF band PLL unlock signal input port for UHF band High PLL unlock on UHF band Outputs control signal for the V BIAS selector Q34 Q35 High While receiving on VHF b...

Страница 13: ...to 10 kHz Input impedance 50 kΩ V DC or better EQUIPMENT Audio generator Standard signal generator SSG Oscilloscope AC millivoltmeter External speaker Attenuator GRADE AND RANGE Frequency range 300 3000 Hz Measuring range 1 500 mV Frequency range 0 1 600 MHz Output level 0 1 µV 32 mV 127 to 17 dBm Frequency range DC 20 MHz Measuring range 0 01 20 V Measuring range 10 mV 10 V Input impedance 8 Ω Ca...

Страница 14: ...layed freq 445 000 MHz USA 435 000 MHz other Output power Low Connect an audio generator to the MIC connector and set as 1 kHz 80 mV USA 1 kHz 20 mV other TONE OFF Set an FM deviation meter as HPF 50 Hz LPF 20 kHz De emphasis OFF Detector P P 2 Transmitting VHF displayed freq 145 000 MHz EUR 146 000 MHz other Output power Low Transmitting IF bandwidth Narrow EUR ITA only Transmitting MAIN Rear pan...

Страница 15: ...R119 UHF output power adjustment CP LV PLL lock voltage check point L2 PLL lock voltage adjustment R2 VHF deviation adjustment R119 VHF output power adjustment C84 Reference frequency adjustment R78 UHF deviation adjustment Controller ...

Страница 16: ... Level 1 6 µV 103 dBm Modulation 1 kHz 30 Receiving Displayed frequency 360 200 MHz Mode FM Set an SSG as Level 1 0 µV 107 dBm Deviation 3 5 kHz Modulation 1 kHz Receiving Displayed frequency 445 200 MHz USA 435 200 MHz other Mode FM Receiving Displayed frequency 900 200 MHz Set an SSG as Level 6 3 µV 91 dBm Deviation 3 5 kHz Modulation 1 kHz Mode FM Receiving Connect a JIG1 to the MIC connector t...

Страница 17: ...OINT UNIT LOCATION UNIT ADJUST 1 2 UHF displayed freq 445 000 MHz USA 435 000 MHz other Set the squelch level to 22 using the HM 98 microphone R229 Max clockwise set an SSG as Level 14 µV 85 dBm Receiving VHF displayed freq 145 000 MHz EUR 146 000 MHz other Set the squelch level to 22 using the HM 98 microphone R196 Max clockwise set an SSG as Level 14 µV 85 dBm Receiving Speaker At the point wher...

Страница 18: ...00 Ω R11 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 Ω R12 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 Ω R13 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 Ω R14 7030003610 S RESISTOR ERJ3GEYJ 273 V 27 kΩ R15 7030003760 S RESISTOR ERJ3GEYJ 474 V 470 kΩ R16 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R17 7030003660 S RESISTOR ERJ3GEYJ 683 V 68 kΩ R18 7030003800 S RESISTOR ERJ3GEYJ 105 V 1 MΩ R20 7030003660 S RE...

Страница 19: ...J 102 V 1 kΩ R128 7030003400 S RESISTOR ERJ3GEYJ 471 V 470 Ω R129 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R130 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R131 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R132 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R133 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R134 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R135 7030003440 S RESISTOR ERJ3GEYJ 102 V 1 kΩ R136 7030...

Страница 20: ...4960 S CONNECTOR B2B ZR SM3 TF S Surface mount C19 4030007090 S CERAMIC C1608 CH 1H 470J T A C20 4030007090 S CERAMIC C1608 CH 1H 470J T A C21 4030007090 S CERAMIC C1608 CH 1H 470J T A C22 4030007090 S CERAMIC C1608 CH 1H 470J T A C23 4030006860 S CERAMIC C1608 JB 1H 102K T A C24 4030007140 S CERAMIC C1608 CH 1H 121J T A C25 4030008630 S CERAMIC C1608 JF 1C 104Z T A C26 4030010040 S CERAMIC C1608 ...

Страница 21: ...1 Q24 1530003230 S TRANSISTOR 2SC5085 Y TE85R Q25 1530002060 S TRANSISTOR 2SC4081 T107 R Q26 1510000580 S TRANSISTOR 2SA1362 GR TE85R Q27 1530003230 S TRANSISTOR 2SC5085 Y TE85R Q28 1530002680 S TRANSISTOR 2SC3357 T2 Q29 1530002340 S TRANSISTOR 2SC2954 T2B Q30 1520000730 S TRANSISTOR 2SB934P DS TX Q31 1530002280 S TRANSISTOR 2SC4081 T107 S Q32 1590001320 S TRANSISTOR DTC143ZUA T106 Q33 1530002060 ...

Страница 22: ...NSISTOR DTC144EUA T106 Q54 1560000840 S FET 2SK1829 TE85R EUR ITA only Q55 1590001450 S FET 2SJ144 GR TE85R Q56 1530002060 S TRANSISTOR 2SC4081 T107 R Q57 1560000530 S FET 2SK880 GR TE85R Q58 1590000720 S TRANSISTOR DTA144EUA T106 EUR ITA only Q59 1560000530 S FET 2SK880 GR TE85R Q60 1530002060 S TRANSISTOR 2SC4081 T107 R Q61 1590000430 S TRANSISTOR DTC144EUA T106 Q62 1590001450 S FET 2SJ144 GR TE...

Страница 23: ...OR ERJ3GEYJ 473 V 47 kΩ R25 7030003280 S RESISTOR ERJ3GEYJ 470 V 47 Ω R26 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 kΩ R27 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kΩ R28 7030003480 S RESISTOR ERJ3GEYJ 222 V 2 2 kΩ R29 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 kΩ R30 7030003680 S RESISTOR ERJ3GEYJ 104 V 100 kΩ R31 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 kΩ R32 7030003680 S RESISTOR ERJ3GEYJ 104 V 10...

Страница 24: ... ERJ3GEYJ 153 V 15 kΩ R182 7030003520 S RESISTOR ERJ3GEYJ 472 V 4 7 kΩ R183 7030003360 S RESISTOR ERJ3GEYJ 221 V 220 Ω R184 7030003290 S RESISTOR ERJ3GEYJ 560 V 56 Ω R185 7030003290 S RESISTOR ERJ3GEYJ 560 V 56 Ω 6 7 REF ORDER DESCRIPTION NO NO MAIN UNIT R186 7030003320 S RESISTOR ERJ3GEYJ 101 V 100 Ω R187 7030003220 S RESISTOR ERJ3GEYJ 150 V 15 Ω R188 7030003630 S RESISTOR ERJ3GEYJ 393 V 39 kΩ R1...

Страница 25: ...474 V 470 kΩ R366 7030003760 S RESISTOR ERJ3GEYJ 474 V 470 kΩ R367 7030003760 S RESISTOR ERJ3GEYJ 474 V 470 kΩ REF ORDER DESCRIPTION NO NO MAIN UNIT R368 7030003640 S RESISTOR ERJ3GEYJ 473 V 47 kΩ R369 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 kΩ R370 7030003570 S RESISTOR ERJ3GEYJ 123 V 12 kΩ R371 7030003600 S RESISTOR ERJ3GEYJ 223 V 22 kΩ R372 7030003630 S RESISTOR ERJ3GEYJ 393 V 39 kΩ R373 703000...

Страница 26: ...003500 S RESISTOR ERJ3GEYJ 332 V 3 3 kΩ R538 7030003490 S RESISTOR ERJ3GEYJ 272 V 2 7 kΩ R539 7030003770 S RESISTOR ERJ3GEYJ 564 V 560 kΩ R540 7030003360 S RESISTOR ERJ3GEYJ 221 V 220 Ω 6 9 REF ORDER DESCRIPTION NO NO MAIN UNIT R541 7030001080 S RESISTOR MCR50JZHJ 39 Ω 390 R542 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R543 7030003560 S RESISTOR ERJ3GEYJ 103 V 10 kΩ R544 7030003440 S RESISTOR ERJ...

Страница 27: ... A C160 4030006930 S CERAMIC C1608 CH 1H 020C T A REF ORDER DESCRIPTION NO NO MAIN UNIT C161 4030006860 S CERAMIC C1608 JB 1H 102K T A C162 4030006980 S CERAMIC C1608 CH 1H 070D 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 4510004640 S ELECTROLYTIC ECEV1CA470SP C167 4030006960 S CERAMIC C1608 C...

Страница 28: ...11 REF ORDER DESCRIPTION NO NO MAIN UNIT C323 4030006860 S CERAMIC C1608 JB 1H 102K T A C324 4030006860 S CERAMIC C1608 JB 1H 102K T A C325 4030006860 S CERAMIC C1608 JB 1H 102K T A C326 4030006930 S CERAMIC C1608 CH 1H 020C T A C327 4030006960 S CERAMIC C1608 CH 1H 050C T A C328 4030006960 S CERAMIC C1608 CH 1H 050C T A C329 4030006860 S CERAMIC C1608 JB 1H 102K T A C330 4510004440 S ELECTROLYTIC...

Страница 29: ...4030012600 S CERAMIC C2012 JB 1A 105M T A C485 4030006920 S CERAMIC C1608 CH 1H 010C T A C486 4030006860 S CERAMIC C1608 JB 1H 102K T A C487 4030006860 S CERAMIC C1608 JB 1H 102K T A C488 4030006860 S CERAMIC C1608 JB 1H 102K T A C489 4030006860 S CERAMIC C1608 JB 1H 102K T A C490 4030006860 S CERAMIC C1608 JB 1H 102K T A C491 4030012600 S CERAMIC C2012 JB 1A 105M T A C492 4030008680 S CERAMIC C20...

Страница 30: ...0048790 2047 B sheet 1 MP16 8930048780 2047 Jack cover 1 MP17 8810008990 Screw PH BT M2 10 ZK 4 MP18 8810008640 Screw FH BT No 0 M2 4 NI ZU 2 MP19 8810008990 Screw PH BT M2 10 ZK 4 MP20 8810009180 Screw PH BT No 0 M2 5 NI ZU 2 MP21 8810000100 Screw PH M2 4 ZK 1 MP22 8930049160 2047 C sheet 1 MP23 8510012370 2048 CPU plate 1 MP24 8510012240 2047 LCD shield 1 MP25 8930049070 Isolating plate FR 1 MP2...

Страница 31: ...4 C MP3 C MP4 C MP3 C MP5 C MP4 C MP13 CO MP18 CO DS1 CO MP14 CO MP15 CO MP13 CO DS2 CO MP24 CO MP25 CO MP17 CO MP21 CO MP7 CO MP23 CO MP20 CO WS1 CO MP30 CO MP19 CO MP19 CO MP10 CO MP17 CO MP16 CO MP3 C MP13 C W4 M MP2 M IC1 M MP14 C MP11 C MP12 C MP1 C J1 C MF1 C MP2 C MP10 C MP14 C IC4 M MP2 M MP7 M MP9 C MAIN unit CONTROL unit SP1 CO Downloaded by Amateur Radio Directory ...

Страница 32: ...CC 2SD999 T2 CK CK C E C B 2SB1132 T100 R BAR 2SB798 T2 DK DK B E C C 2SJ144 GR VG S D G 3SK166A 2 T7 K S D G1 G2 2SK880 GR XG 2SK880 Y XY G S D 3SK184 S 3R G2 S G1 D 2SK1829 KI D S G UMG9N TL G9 C1 C2 E B1 B2 8 1 8 2 DIODES NAME SYMBOL INSIDE VIEW NAME SYMBOL INSIDE VIEW DA114 AV A C DA115 AU A C DAN202U N A1 C1 C2 A2 C A DA204U K DA221 TL K MA133 MP RB706F 40 3J A1 C2 C1 A2 MA862 M1I A2 C2 A1 C1...

Страница 33: ...J3 from CFL BACK LIGHT EXT VIDEO IN UVOL USQL UDIAL VVOL VSQL VDIAL 1 2 3 4 5 6 1 2 3 4 5 6 J2 to MAIN UNIT J3 J2 1 2 3 4 A B NC COM 4 3 2 1 COM NC B A The combination of this page and the next page shows the unit layout in the same configuration as the actual P C Board SECTION 9 BOARD LAYOUTS ...

Страница 34: ... NC NC CFL J3 from CFL BACK LIGHT DS2 EXT VIDEO IN J4 UVOL R145 USQL R148 UDIAL S11 VVOL R151 VSQL R154 VDIAL S12 1 2 3 4 5 6 1 2 3 4 5 6 J2 to MAIN UNIT J3 J2 1 2 3 4 A B NC COM 4 3 2 1 COM NC B A 1 4 R151 R154 R145 J4 R148 S11 VGL VSS STV1 U D CPV OEV STV2 VDD VGH VCOM VEE STH2 RL VB R G B GND CPH3 CPH2 CPH1 O2H OEH STH1 1 5 10 15 20 24 J1 from LCD DISPLAY DS1 SP SPE 1 2 J5 from SPEAKER SP1 MP23...

Страница 35: ...to CONTROL UNIT J2 6 7 5 4 3 2 1 8 EXT MIC INPUT STD Q4 Q3 Q2 Q1 TOE C5V DETO GND OPD 1 10 E FV 1 2 J4 MDATA E MIC MICE PTT EXTMIC MU D M8V M from FAN MOTOR MF1 ANTENNA EXT SP CLONE I O W4 HV IN J6 to OPTIONAL UNIT J5 The combination of this page and the next page shows the unit layout in the same configuration as the actual P C Board ...

Страница 36: ...5 4 3 2 1 from CONTROL UNIT 6 7 5 4 3 2 1 8 EXT MIC INPUT M8V MU D EXTMIC PTT MICE MIC E MDATA from EXT SP J1 CLONE I O J2 MAIN UNIT BOTTOM VIEW The combination of this page and the previous page shows the unit layout in the same configuration as the actual P C Board Downloaded by Amateur Radio Directory ...

Страница 37: ... TA78L05F CTRL HV SW Q16 2SA1362 Q17 DTC144EU 15V REG IC15 TA79L15F D RAM IC9 LH61665AS 60A TFT LCD INTERFACE IC6 M52338FP D9 1SS355 DC DC CONVERTER IC3 M5291FP Q21 2SB798 D3 SB10 05PCP X3 CSTC26 25MXJ040 CLKI G B VIDEO AMP Q11 2SC4081 PD AMP IC2 TC75S51F D2 1SV282 R G B M ESW SP MA0 MA8 MD0 MD15 XTAL EXTAL NTSC PAL VIDEO CHROMA IC16 M52045FP EUR ITA M52042FP Other INVERTER IC19 TC7W04FU EXTV CHG ...

Страница 38: ...IC MUTE 9600 bps SW IC26 BU4066BCFV Q93 DTC144EU 9600 bps LIMIT IC27A NJM4558M 1 2 D67 MA728 D68 RB706F MMUTE DTMUTE MRIPT DTMF ETONE W N CTCSS PTTM V_VCOS REG Q1 2SC4081 D1 1SS355 U_VCOS REG Q17 2SC4081 D19 1SS355 DATA CK PLSTB STB MU D EXTMIC PSEL PSQL LIMIT VTX UTX VUNLK UMMUTE VAM LV UAM VMMUTE VSHIFT TONEIN VSQL VT8V REG Q9 2SC4081 Q10 2SA1362 U8V SW D28 1SS355 D29 DAN202U 10 000 MHz C5V UR8V...

Страница 39: ...3 BUFF AMP Q6 2SC5085 BUFF AMP Q8 2SC5193 V_DET SW Q53 DTC144EU Q55 2SJ144 Q56 2SC4081 BUFF AMP Q7 2SC5085 V_ LO SW D4 MA862 V_IF AMP Q40 2SC4215 D30 MA133 SEA CSA RX 120 35 158 35 MHz TX 140 150 MHz V_PRI DRIVE Q11 2SC3357 V 1st Lo BPF D11 D12 D13 HVU350 3 D14 1SS355 V_RF AMP Q16 3SK166 BPF D15 HVU350 D71 1SS355 V_ANT SW D9 UM9401F D16 1SS355 D18 UM9401F V_ATT CTRL Q33 2SC4081 APC CTRL Q30 2SB934...

Страница 40: ...BUFFER AMP Q79 2SA1576 V_MOD MUTE Q2 2SC4213 BUFF AMP Q6 2SC5085 BUFF AMP Q8 2SC5193 V_DET SW Q53 DTC144EU Q55 2SJ144 Q56 2SC4081 BUFF AMP Q7 2SC5085 V_ LO SW D4 MA862 V_IF AMP Q40 2SC4215 D30 MA133 SEA CSA RX 120 35 158 35 MHz TX 140 150 MHz V_PRI DRIVE Q11 2SC3357 V 1st Lo BPF D11 D12 D13 HVU350 3 D14 1SS355 V_RF AMP Q16 3SK166 BPF D15 HVU350 D71 1SS355 V_ANT SW D9 UM9401F D16 1SS355 D18 UM9401F...

Страница 41: ...3 MD2 MD12 MD3 MD11 MD4 MD10 MD5 MD9 MD0 MD15 MD6 MD1 MD14 MD8 MD2 MD13 MD7 MD3 MD12 MD4 MD11 MD5 MD10 MD6 MD9 MD7 MD8 A17 A16 A15 A14 A13 MA8 A12 A11 MA7 A10 MA0 MA0 A9 MA6 MA1 MA8 A8 MA1 MA2 MA7 A7 MA5 MA3 MA6 A6 MA2 MA4 MA5 A5 MA4 A4 MA3 A3 A2 A1 A0 CS A18 RD WR FPDAT8 LRES WAIT FPDAT7 FPDAT6 FPDAT5 FPDAT4 FPDAT3 FPDAT2 FPDAT1 FPDAT0 D7 D6 D5 D4 D3 D2 D1 D0 C107 0 01 IC8 SED1354F0A AB2 1 AB1 2 ...

Страница 42: ...7 18 19 20 21 22 BRIGHT 23 CONTRAST 24 GAM1 25 GAM2 26 EXT IN R 27 28 EXT IN G 29 30 EXT IN B 31 VCC1 32 IC16 M52042FP Other M52045FP EUR ITA 1 2 3 SYNC OUT 4 HD 5 6 7 8 CONT 9 10 11 12 GND 13 14 15 S W 16 17 18 TINT 19 COLOR 20 21 22 23 VCC 24 R84 2 7k C81 0 01 R87 33k R89 68k C82 0 01 R65 33k C86 0 1 C85 0 1 C84 0 1 C90 0 1 C87 0 01 R168 47k R167 56k R169 68k C130 0 01 R170 39k C58 0 1 R58 15k R...

Страница 43: ...50 A16 39 P53 A19 42 P60 WAIT 43 MD0 44 MD1 45 FA I 46 STBY 47 RES 48 NMI 49 VSS 50 EX TAL 51 52 VCC 53 P63 AS 54 P64 RD 55 P65 WR 56 RESO 57 AVSS 58 P70 AN0 59 P73 AN3 62 P74 AN4 63 P75 AN5 64 P76 AN6 65 P77 AN7 66 VREF 67 AVCC 68 P80 IRQ0 69 P81 IRQ1 70 P82 IRQ2 71 P83 IRQ3 72 PA0 TP0 TCLKA 73 PA1 TP1 TCLKB 74 PA2 TP2 TIOCA0 75 PA3 TP3 TIOCB0 76 PA4 TP4 TIOCA1 77 PA5 TP5 TIOCB1 78 PA6 TP6 TIOCA2...

Страница 44: ...81 FPDAT7 82 IOVDD 83 DACRD 84 BLANK 85 DACCLK 86 VSS 87 FPDAT8 88 FPDAT9 89 FPDAT10 90 FPDAT11 91 FPDAT12 92 FPDAT13 93 FPDAT14 94 FPDAT15 95 VSS 96 COREVDD 97 DACP0 98 DACWR 99 DACRS0 100 DACRS1 101 HRTC 102 VRTC 103 VSS 104 CLK I 105 SUSPEND 106 TESTEN 107 BUSCLK 108 VSS 109 IOVDD 110 AB20 111 AB19 112 AB18 113 AB17 114 AB16 115 AB15 116 AB14 117 AB13 118 AB12 119 AB11 120 AB10 121 AB9 122 AB8 ...

Страница 45: ... H L71 2 2 H L74 2 2 H L75 2 2 H L76 0 82 H L77 2 2 H L72 2 2 H L73 2 2 H C399 0 1 R354 1M R353 82k C398 0 039 R352 82k R351 82k C397 0 0015 C395 0 1 R349 470k R350 120k C394 0 1 R348 100k R346 1M R347 470k C393 0 01 C392 100p C404 1 R364 470k R363 470k R362 470k R361 100k C403 0 1 R369 22k R366 470k R365 470k R367 470k C402 0 1 D61 MA8062 C389 47p C387 47p R359 10k C401 0 1 R360 22k R357 1M C400 ...

Страница 46: ...2 7k 3 2 1 5 4 W7 R141 270 D30 MA133 C205 0 001 R143 100 L46 1 2 H L67 8 2 H C209 2p R89 47 C142 0 001 R137 820 R538 2 7k R 3 R530 1 2k R531 1 5k C478 0 1 C215 82p R56 3 9k R52 2 7k C76 0 047 R529 820 R528 1k C137 0 5p R535 1 2k D21 1SV284 C134 0 75p R88 330 C135 0 001 X1 CR 549 C210 0 5p C212 1p C208 3p L68 1 8 H C211 4p C475 0 001 W10 C219 0 001 W2 W3 R200 47k C272 0 01 C485 1p R539 560k R212 10...

Страница 47: ...0 001 R269 100k D44 MA8075 L65 0 39 H C362 2200 D46 RD20E 1 2 MF1 M C363 0 001 C369 0 001 C360 0 001 C361 47 C352 47 C353 0 001 C280 0 047 R224 10k R155 470 C231 0 001 C467 8p C187 8p R223 1 5k L25 0 12 H C244 6p D72 HVU131TRF C368 0 001 J7 C346 0 001 R40 4 7k W1 R28 2 2k FI4 ALFY450F K 1 2 3 4 5 EUR ITA only 5 6 3 1 7 8 J1 J2 FI2 FL 300 R21 470 R59 22k C148 6p R93 15 C144 6p R95 47 R94 47 R89 47 ...

Страница 48: ...59 3p C158 3p L35 18nH R113 22 R111 4 7k L37 22nH L38 22nH R115 820 C465 0 001 R108 47 C157 10p C156 0 001 R106 680 R105 100k D22 MA862 D23 MA77 R104 1k R102 10k R101 2 2k C152 2 2 R100 47k C153 10p C154 10p R103 270 R153 100 L33 18nH R107 4 7k C150 5p L32 33nH R98 47k R99 47 R96 33k R97 330 L31 27nH R92 120k C140 0 001 R87 18k R86 330 C136 0 5p L30 8 8nH R84 330k C133 0 001 C132 0 001 R83 220k R8...

Страница 49: ... used for all adjustments 5 DO NOT keep power ON for a long time when the transceiver is defective 6 DO NOT transmit power into a signal generator or a sweep generator 7 ALWAYS connect a 50 dB or 60 dB attenuator between the transceiver and a deviation meter or spectrum analyser when using such test equipment 8 READ the instructions of test equipment thoroughly before connecting equipment to the t...

Страница 50: ...A 5570MI S 1999 by Icom Inc 6 9 16 Kamihigashi Hirano ku Osaka 547 0002 Japan DUAL BAND FM TRANSCEIVER iC 2800h iC 2800h Downloaded by Amateur Radio Directory ...

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Icom IC-2800, Руководство по обслуживанию

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