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Icom IC-T90A manual Coil Eljre 3N9Z-F

Models: IC-T90A

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Page 33

[RF UNIT]

REF	ORDER		DESCRIPTION
NO.	NO.		DESCRIPTION
NO.	NO.

L452	6200005610	S.COIL	ELJRE 3N9Z-F
L453	6200005610	S.COIL	ELJRE 3N9Z-F
L454	6200006980	S.COIL	ELJRE R10G-F
L455	6200005720	S.COIL	ELJRE 33NG-F
L456	6200010240	S.COIL	0.4-0.8-2TL
R1	7030009280	S.RESISTOR	ERJ2GE
R2	7030004980	S.RESISTOR	ERJ2GEJ 101 X (100 Ω )
R6	7030004980	S.RESISTOR	ERJ2GEJ 101 X (100 Ω )
R7	7030007270	S.RESISTOR	ERJ2GEJ 151 X (150 Ω )
R8	7510001660	S.THRMISTOR	NTCG16 4LH 473KT
R9	7030005240	S.RESISTOR	ERJ2GEJ 473 X (47 kΩ )
R10	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R11	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R13	7030009280	S.RESISTOR	ERJ2GE
R16	7030009280	S.RESISTOR	ERJ2GE
R40	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R41	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R51	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R52	7030007250	S.RESISTOR	ERJ2GEJ 220 X (22 Ω )
R53	7030007280	S.RESISTOR	ERJ2GEJ 331 X (330 Ω )
R54	7030007270	S.RESISTOR	ERJ2GEJ 151 X (150 Ω )
R55	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R56	7030009200	S.RESISTOR	ERJ2GEJ 390 X (39 Ω )
R57	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R59	7030005030	S.RESISTOR	ERJ2GEJ 152 X (1.5 kΩ )
R60	7030009270	S.RESISTOR	ERJ2GEJ 821 X (820 Ω )
R61	7030004990	S.RESISTOR	ERJ2GEJ 221 X (220 Ω )
R63	7030005000	S.RESISTOR	ERJ2GEJ 471 X (470 Ω )
R64	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R73	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R77	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R78	7030005580	S.RESISTOR	ERJ2GEJ 560 X (56 Ω )
R79	7030005580	S.RESISTOR	ERJ2GEJ 560 X (56 Ω )
R80	7030007280	S.RESISTOR	ERJ2GEJ 331 X (330 Ω )
R81	7030007280	S.RESISTOR	ERJ2GEJ 331 X (330 Ω )
R82	7030010670	S.RESISTOR	ERJ2GEJ 3R9X (3.9 Ω )
R101	7030005160	S.RESISTOR	ERJ2GEJ 105 X (1 MΩ )
R102	7030005230	S.RESISTOR	ERJ2GEJ 334 X (330 kΩ )
R103	7030005110	S.RESISTOR	ERJ2GEJ 224 X (220 kΩ )
R104	7030005160	S.RESISTOR	ERJ2GEJ 105 X (1 MΩ )
R105	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R106	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R107	7030005230	S.RESISTOR	ERJ2GEJ 334 X (330 kΩ )
R108	7030005110	S.RESISTOR	ERJ2GEJ 224 X (220 kΩ )
R109	7030007330	S.RESISTOR	ERJ1WRSJR15U (0.15 Ω )
R110	7030008400	S.RESISTOR	ERJ2GEJ 182 X (1.8 kΩ )
R111	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R112	7030005230	S.RESISTOR	ERJ2GEJ 334 X (330 kΩ )
R205	7030007570	S.RESISTOR	ERJ2GEJ 122X (1.2 kΩ )
R206	7030005080	S.RESISTOR	ERJ2GEJ 823 X (82 kΩ )
R209	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R251	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R301	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R302	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R303	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R304	7030005220	S.RESISTOR	ERJ2GEJ 223 X (22 kΩ )
R305	7030004980	S.RESISTOR	ERJ2GEJ 101 X (100 Ω )
R306	7030004990	S.RESISTOR	ERJ2GEJ 221 X (220 Ω )
R307	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R308	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R309	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R310	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R311	7030007350	S.RESISTOR	ERJ2GEJ 393 X (39 kΩ )
R312	7030004990	S.RESISTOR	ERJ2GEJ 221 X (220 Ω )
R313	7030005030	S.RESISTOR	ERJ2GEJ 152 X (1.5 kΩ )
R314	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R315	7030009160	S.RESISTOR	ERJ2GEJ 181 X (180 Ω )
R316	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R317	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R318	7030005030	S.RESISTOR	ERJ2GEJ 152 X (1.5 kΩ )
R351	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R352	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R353	7030005070	S.RESISTOR	ERJ2GEJ 683 X (68 kΩ )
R354	7030005240	S.RESISTOR	ERJ2GEJ 473 X (47 kΩ )
R355	7030005240	S.RESISTOR	ERJ2GEJ 473 X (47 kΩ )
R356	7030009200	S.RESISTOR	ERJ2GEJ 390 X (39 Ω )
R357	7030007250	S.RESISTOR	ERJ2GEJ 220 X (22 Ω )
R358	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R359	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R360	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )

[RF UNIT]

REF	ORDER		DESCRIPTION
NO.	NO.		DESCRIPTION
NO.	NO.

R361	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R362	7030007300	S.RESISTOR	ERJ2GEJ 332 X (3.3 kΩ )
R363	7030007570	S.RESISTOR	ERJ2GEJ 122X (1.2 kΩ )
R364	7030005830	S.RESISTOR	RR0510R-223-D (22 kΩ )
R365	7030005860	S.RESISTOR	RR0510R-823-D (82 kΩ )
R366	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R367	7030005580	S.RESISTOR	ERJ2GEJ 560 X (56 Ω )
R368	7030004970	S.RESISTOR	ERJ2GEJ 470 X (47 Ω )
R369	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R401	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R402	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R403	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R404	7030005720	S.RESISTOR	ERJ2GEJ 563 X (56 kΩ )
R405	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R407	7030004990	S.RESISTOR	ERJ2GEJ 221 X (220 Ω )
R408	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R409	7030008410	S.RESISTOR	ERJ2GEJ 392 X (3.9 kΩ )
R410	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R412	7030005720	S.RESISTOR	ERJ2GEJ 563 X (56 kΩ )
R414	7030004990	S.RESISTOR	ERJ2GEJ 221 X (220 Ω )
R415	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R416	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R417	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R418	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R419	7030008410	S.RESISTOR	ERJ2GEJ 392 X (3.9 kΩ )
R420	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R451	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R452	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R453	7030005220	S.RESISTOR	ERJ2GEJ 223 X (22 kΩ )
R454	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R456	7030004990	S.RESISTOR	ERJ2GEJ 221 X (220 Ω )
R457	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R459	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R460	7030004990	S.RESISTOR	ERJ2GEJ 221 X (220 Ω )
R461	7030007280	S.RESISTOR	ERJ2GEJ 331 X (330 Ω )
R462	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R463	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R465	7030007250	S.RESISTOR	ERJ2GEJ 220 X (22 Ω )
R466	7030004970	S.RESISTOR	ERJ2GEJ 470 X (47 Ω )
R467	7030009280	S.RESISTOR	ERJ2GE
R468	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R469	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R470	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R471	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
C1	4030017620	S.CERAMIC	ECJ0EC1H100C
C2	4030017650	S.CERAMIC	ECJ0EC1H270J
C3	4030017600	S.CERAMIC	ECJ0EC1H080C
C6	4030017350	S.CERAMIC	ECJ0EC1H020B
C7	4030017550	S.CERAMIC	ECJ0EC1H1R5B
C8	4030017360	S.CERAMIC	ECJ0EC1H030B
C9	4030017660	S.CERAMIC	ECJ0EC1H330J
C10	4030017430	S.CERAMIC	ECJ0EC1H101J
C11	4030017670	S.CERAMIC	ECJ0EC1H390J
C17	4030017600	S.CERAMIC	ECJ0EC1H080C
C18	4030017420	S.CERAMIC	ECJ0EC1H470J
C19	4030016790	S.CERAMIC	ECJ0EB1C103K
C21	4030017510	S.CERAMIC	ECJ0EC1H680J
C23	4030007070	S.CERAMIC	C1608 CH 1H 330J-T
C24	4030017640	S.CERAMIC	ECJ0EC1H150J
C26	4030017600	S.CERAMIC	ECJ0EC1H080C
C27	4030017670	S.CERAMIC	ECJ0EC1H390J
C30	4030017460	S.CERAMIC	ECJ0EB1E102K
C31	4030017460	S.CERAMIC	ECJ0EB1E102K
C32	4030017630	S.CERAMIC	ECJ0EC1H120J
C33	4030007010	S.CERAMIC	C1608 CH 1H 100D-T
C34	4030017690	S.CERAMIC	ECJ0EC1H121J
C35	4030017460	S.CERAMIC	ECJ0EB1E102K
C36	4030017570	S.CERAMIC	ECJ0EC1H040B
C37	4030017340	S.CERAMIC	ECJ0EC1H010B
C39	4030017390	S.CERAMIC	ECJ0EC1H180J
C40	4030017650	S.CERAMIC	ECJ0EC1H270J
C41	4030017500	S.CERAMIC	ECJ0EC1H560J
C42	4030017500	S.CERAMIC	ECJ0EC1H560J
C43	4030017400	S.CERAMIC	ECJ0EC1H220J
C44	4030017500	S.CERAMIC	ECJ0EC1H560J
C51	4030017330	S.CERAMIC	ECJ0EF1C104Z
C52	4550007000	S.TANTALUM	ECST1VY105R
C55	4030017460	S.CERAMIC	ECJ0EB1E102K
C57	4030017330	S.CERAMIC	ECJ0EF1C104Z
C59	4030018010	S.CERAMIC	ECJ0EC1H360J

S.=Surface mount

6 - 2

Image 33

Icom IC-T90A manual Coil Eljre 3N9Z-F

Contents

IC-t90a Ordering Parts IntroductionRepair Notes Sample OrderTable of Contents Specifications GeneralTransmitter Frequency MHz ReceiverWFM WFMLogic Unit Inside ViewsTop view Bottom viewAF Unit RF UnitTop view Bottom view Removing the rear panel Removing the AF unit Disassembly InstructionsReceiver Circuits Circuit Description4 1ST Mixer and 1ST if Circuits RF, AF and VCO Units 5 2ND if and Demodulator Circuits AF UnitRF Circuit AF Amplifier Circuit AF Unit Squelch Circuitaf and Logic Units2ND if and Demodulator Circuit Transmitter Circuits APC Circuit RF Unit PLL CircuitsGeneral APC CircuitPLL Circuit VCO Divider Circuit VCO and RF Units2 R3V Switch IC AF Unit IC51 Power Supply CircuitsPort Allocations Voltage LineCPU Logic Unit IC1 Dtcs CtselLCD SEG35Operation on the Adjustment Mode Adjustment ProceduresOperation on the Output Power Adjustment PreparationConnection JIGAD-92SMA PLL Lock Trimmer AdjustmentVCO VoltageRF Unit VCO UnitL16 L456 L19Reference Adjustment Mode AdjustmentsDial FrequencyAdjustment Mode Adjustments PH ch 53.900 MHz Transmitting 8V 145 MHz Displayed frequency Connect an amme 45 a R325 Logic UnitR365 R326Ctcss Detector CoilTracking CP0 AF UnitIC151, pin 12 SD line L151Displayed frequency Connect a DC volt Maximum voltage Meter Adjustment Adjustment Condition OperationOrder Description Section Parts ListCoil Eljre 3N9Z-F Ceramic ECJ0EB1H681K Connector AXK6S30445P Ceramic ECJ0EC1H060C Encoder Trimmer Tantalum ECST1EY474R Ceramic ECJ0EC1H2R5B Mechanical Parts and Disassembly AccessoriesChassis Parts RF Unit Logic UnitChassis Parts AF Unit VCO UnitTransistors and Fets SEMI-CONDUCTOR InformationDiodes NameTOP View Board LayoutsMC1 Microphone DUPBottom View Logic unitSP1 SQL PTTRF Unit RF unit AF Unit VCO UnitEXT.SP EXT.MICREMOTO S253S252 Logic Unit Block DiagramLoop LPF HPF Drive BPF ANT FIL AMP Chassis11 1 Logic Unit Voltage DiagramIC5 2SK3476 11 2 RF UnitBU4094BCFV 11 3 AF UnitURL 32, Kamiminami, Hirano-ku, Osaka 547-0003, Japan