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Icom IC-T90A manual Connector AXK6S30445P

Models: IC-T90A

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[RF UNIT]

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

J251	6510022860	S.CONNECTOR AXK6S30445P
J252	6450000870	CONNECTOR	HEC2711-01-020
W1	7030010040	S.JUMPER	ERJ2GE-JPW
W2	7030010040	S.JUMPER	ERJ2GE-JPW
EP1	0910055443	PCB	B 5845C
EP2	6910013310	S.BEAD	MMZ1608D121B
EP3	6910014640	S.BEAD	MPZ2012S221A-T
EP4	6910014640	S.BEAD	MPZ2012S221A-T
EP5	6910014640	S.BEAD	MPZ2012S221A-T
EP6	6910014640	S.BEAD	MPZ2012S221A-T

[AF UNIT]
REF	ORDER		DESCRIPTION
NO.	NO.		DESCRIPTION
NO.	NO.

IC51	1130007570	S.IC	BU4094BCFV-E2
IC151	1110003200	S.IC	TA31136FN (EL)
IC251	1110004520	S.IC	M5222FP 600C
IC252	1110001810	S.IC	TA7368F (TP1)
Q1	1530003010	S.TRANSISTOR	2SC4117-GR (TE85R)
Q2	1530003220	S.TRANSISTOR	2SC4406-4-TL
Q11	1590001170	S.TRANSISTOR	XP1501-(TX) .AB
Q51	1510000670	S.TRANSISTOR	2SA1588-GR (TE85R)
Q52	1510000670	S.TRANSISTOR	2SA1588-GR (TE85R)
Q53	1510000670	S.TRANSISTOR	2SA1588-GR (TE85R)
Q54	1590002700	S.TRANSISTOR	XP4214 (TX)
Q55	1520000460	S.TRANSISTOR	2SB1132 T100 R
Q56	1590002700	S.TRANSISTOR	XP4214 (TX)
Q57	1540000350	S.TRANSISTOR	2SD2216-S (TX)
Q58	1590002380	S.TRANSISTOR	XP1115 (TX)
Q59	1590001690	S.TRANSISTOR	UN9115 (TX)
Q61	1590001690	S.TRANSISTOR	UN9115 (TX)
Q62	1590002380	S.TRANSISTOR	XP1115 (TX)
Q63	1590002380	S.TRANSISTOR	XP1115 (TX)
Q64	1510000620	S.TRANSISTOR	2SA1576 T106 S
Q65	1590001730	S.TRANSISTOR	UN9113 (TX)
Q66	1590001730	S.TRANSISTOR	UN9113 (TX)
Q67	1590001730	S.TRANSISTOR	UN9113 (TX)
Q101	1590001980	S.TRANSISTOR	XP4315 (TX)
Q102	1530002560	S.TRANSISTOR	2SC4403-3-TL
Q103	1590001730	S.TRANSISTOR	UN9113 (TX)
Q201	1590001190	S.TRANSISTOR	XP6501-(TX) .AB
Q202	1590001190	S.TRANSISTOR	XP6501-(TX) .AB
Q203	1550000010	S.FET	2SJ364-Q (TX)
Q204	1590001190	S.TRANSISTOR	XP6501-(TX) .AB
Q205	1540000350	S.TRANSISTOR	2SD2216-S (TX)
Q206	1590001980	S.TRANSISTOR	XP4315 (TX)
Q207	1590002380	S.TRANSISTOR	XP1115 (TX)
Q208	1510000510	S.TRANSISTOR	2SA1576A T106R
Q209	1590001170	S.TRANSISTOR	XP1501-(TX) .AB
Q251	1550000010	S.FET	2SJ364-Q (TX)
Q253	1590001690	S.TRANSISTOR	UN9115 (TX)
D1	1750000770	S.VARICAP	HVC376BTRF
D2	1750000360	S.DIODE	1SS364 (TE85L)
D3	1750000360	S.DIODE	1SS364 (TE85L)
D51	1790001240	S.DIODE	MA2S728-(TX)
D52	1790001250	S.DIODE	MA2S111-(TX)
D101	1750000360	S.DIODE	1SS364 (TE85L)
D102	1750000360	S.DIODE	1SS364 (TE85L)
D103	1790000860	S.DIODE	MA133 (TX)
D104	1790001250	S.DIODE	MA2S111-(TX)
D151	1750000360	S.DIODE	1SS364 (TE85L)
D152	1750000360	S.DIODE	1SS364 (TE85L)
D201	1750000360	S.DIODE	1SS364 (TE85L)
FI101	2020001950	S.CERAMIC	FL-338 (69.450 MHz)
FI102	2020001940	S.CERAMIC	SFECS13M3DA0001-B0 (SFECS13.35M
FI151	2020001270	CERAMIC	CFWLB450KE2A-B0 (CFWM450E)

[AF UNIT]

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

X1	6050010160	S.XTAL	CR-583 (13.800 MHz)
L3	6200004600	S.COIL	MLF1608D R15K-T
L4	6200004590	S.COIL	MLF1608D R18K-T
L5	6200004590	S.COIL	MLF1608D R18K-T
L8	6200005700	S.COIL	ELJRE 22NG-F
L9	6200004600	S.COIL	MLF1608D R15K-T
L101	6200004480	S.COIL	MLF1608D R82K-T
L103	6200004780	S.COIL	MLF1608A 1R5K-T
L104	6200001980	S.COIL	NL 252018T-1R0J
L151	6150005010	S.COIL	LS-528 (637AN-0223GW=P3)
R1	7030005600	S.RESISTOR	ERJ2GEJ 273 X (27 kΩ )
R2	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R3	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R4	7030006610	S.RESISTOR	ERJ2GEJ 394 X (390 kΩ )
R5	7030004970	S.RESISTOR	ERJ2GEJ 470 X (47 Ω )
R7	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R8	7030005240	S.RESISTOR	ERJ2GEJ 473 X (47 kΩ )
R9	7030004970	S.RESISTOR	ERJ2GEJ 470 X (47 Ω )
R10	7030008010	S.RESISTOR	ERJ2GEJ 123 X (12 kΩ )
R11	7030008400	S.RESISTOR	ERJ2GEJ 182 X (1.8 kΩ )
R12	7030008010	S.RESISTOR	ERJ2GEJ 123 X (12 kΩ )
R13	7030008010	S.RESISTOR	ERJ2GEJ 123 X (12 kΩ )
R51	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R52	7030005000	S.RESISTOR	ERJ2GEJ 471 X (470 Ω )
R54	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R55	7030005000	S.RESISTOR	ERJ2GEJ 471 X (470 Ω )
R56	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R57	7030005000	S.RESISTOR	ERJ2GEJ 471 X (470 Ω )
R58	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R59	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R60	7030005000	S.RESISTOR	ERJ2GEJ 471 X (470 Ω )
R61	7030005090	S.RESISTOR	ERJ2GEJ 104 X (100 kΩ )
R62	7030005160	S.RESISTOR	ERJ2GEJ 105 X (1 MΩ )
R63	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R64	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R101	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R102	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R103	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R104	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R105	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R107	7030007340	S.RESISTOR	ERJ2GEJ 153 X (15 kΩ )
R108	7030005290	S.RESISTOR	ERJ2GEJ 682 X (6.8 kΩ )
R109	7030004970	S.RESISTOR	ERJ2GEJ 470 X (47 Ω )
R110	7030004990	S.RESISTOR	ERJ2GEJ 221 X (220 Ω )
R111	7030004990	S.RESISTOR	ERJ2GEJ 221 X (220 Ω )
R112	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R113	7030007270	S.RESISTOR	ERJ2GEJ 151 X (150 Ω )
R114	7030007280	S.RESISTOR	ERJ2GEJ 331 X (330 Ω )
R151	7030005220	S.RESISTOR	ERJ2GEJ 223 X (22 kΩ )
R152	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R153	7030007570	S.RESISTOR	ERJ2GEJ 122X (1.2 kΩ )
R154	7030005120	S.RESISTOR	ERJ2GEJ 102 X (1 kΩ )
R155	7030005720	S.RESISTOR	ERJ2GEJ 563 X (56 kΩ )
R156	7030007340	S.RESISTOR	ERJ2GEJ 153 X (15 kΩ )
R158	7030005110	S.RESISTOR	ERJ2GEJ 224 X (220 kΩ )
R159	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R161	7030008010	S.RESISTOR	ERJ2GEJ 123 X (12 kΩ )
R162	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R163	7030008010	S.RESISTOR	ERJ2GEJ 123 X (12 kΩ )
R164	7030008010	S.RESISTOR	ERJ2GEJ 123 X (12 kΩ )
R165	7030008010	S.RESISTOR	ERJ2GEJ 123 X (12 kΩ )
R166	7030008010	S.RESISTOR	ERJ2GEJ 123 X (12 kΩ )
R167	7030005110	S.RESISTOR	ERJ2GEJ 224 X (220 kΩ )
R201	7030005000	S.RESISTOR	ERJ2GEJ 471 X (470 Ω )
R202	7030005230	S.RESISTOR	ERJ2GEJ 334 X (330 kΩ )
R203	7030009280	S.RESISTOR	ERJ2GE
R204	7030005050	S.RESISTOR	ERJ2GEJ 103 X (10 kΩ )
R205	7030005240	S.RESISTOR	ERJ2GEJ 473 X (47 kΩ )
R206	7030005160	S.RESISTOR	ERJ2GEJ 105 X (1 MΩ )
R207	7030005110	S.RESISTOR	ERJ2GEJ 224 X (220 kΩ )
R208	7030005220	S.RESISTOR	ERJ2GEJ 223 X (22 kΩ )
R209	7030005030	S.RESISTOR	ERJ2GEJ 152 X (1.5 kΩ )
R210	7030004980	S.RESISTOR	ERJ2GEJ 101 X (100 Ω )
R211	7030005060	S.RESISTOR	ERJ2GEJ 333 X (33 kΩ )
R212	7030007290	S.RESISTOR	ERJ2GEJ 222 X (2.2 kΩ )
R213	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R214	7030005040	S.RESISTOR	ERJ2GEJ 472 X (4.7 kΩ )
R215	7030008290	S.RESISTOR	ERJ2GEJ 183 X (18 kΩ )

S.=Surface mount

6 - 4

Image 35

Icom IC-T90A manual Connector AXK6S30445P

Contents

IC-t90a Sample Order IntroductionOrdering Parts Repair NotesTable of Contents Transmitter SpecificationsGeneral WFM ReceiverFrequency MHz WFMBottom view Inside ViewsLogic Unit Top viewTop view Bottom view AF UnitRF Unit Removing the rear panel Removing the AF unit Disassembly InstructionsReceiver Circuits Circuit DescriptionRF Circuit 4 1ST Mixer and 1ST if Circuits RF, AF and VCO Units5 2ND if and Demodulator Circuits AF Unit 2ND if and Demodulator Circuit AF Amplifier Circuit AF UnitSquelch Circuitaf and Logic Units Transmitter Circuits APC Circuit PLL CircuitsAPC Circuit RF Unit GeneralPLL Circuit VCO Divider Circuit VCO and RF UnitsVoltage Line Power Supply Circuits2 R3V Switch IC AF Unit IC51 Port AllocationsCPU Logic Unit IC1 SEG35 CtselDtcs LCDPreparation Adjustment ProceduresOperation on the Adjustment Mode Operation on the Output Power AdjustmentAD-92SMA ConnectionJIG Voltage Trimmer AdjustmentPLL Lock VCOL19 VCO UnitRF Unit L16 L456Frequency Adjustment Mode AdjustmentsReference DialAdjustment Mode Adjustments PH ch 53.900 MHz Transmitting 8V 145 MHz Displayed frequency Connect an amme 45 a R326 Logic UnitR325 R365Ctcss Tracking DetectorCoil L151 AF UnitCP0 IC151, pin 12 SD lineDisplayed 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 Chassis Parts Mechanical Parts and DisassemblyAccessories AF Unit VCO Unit Logic UnitRF Unit Chassis PartsName SEMI-CONDUCTOR InformationTransistors and Fets DiodesDUP Board LayoutsTOP View MC1 MicrophoneSQL PTT Logic unitBottom View SP1RF Unit RF unit EXT.SP EXT.MICREMOTO AF UnitVCO Unit 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