Motorola IC-T81A, IC-T81E service manual SEMI-CONDUCTOR Information, Transistor and FET’S, Diodes

Page 36

SECTION 8 SEMI-CONDUCTOR INFORMATION

•TRANSISTOR AND FET’S

2SA1588 GR		2SB1132 R		2SB1201 S		2SB1462 R		2SC3356 R25
(Symbol: ZG)		(Symbol: BARB)		(Symbol: B1201)		(Symbol: BR)		(Symbol: R25)
B		B				B		B
B				C		B		B
				C
	C	C					C		C
E		E				E		E
		E		B
				B
				E
2SC4117 BL		2SC4215 0		2SC4226 R25		2SC4228 R45		2SC4403 3
(Symbol: CL)		(Symbol: QO)		(Symbol: R25)		(Symbol: R45)		(Symbol: LY3)
B		B		B		B		B
	C		C		C		C		C
E		E		E		E		E
2SC5006		2SC5107 0		2SC5195		2SC5319		2SC5454 R54
(Symbol: 24)		(Symbol: MFO)		(Symbol: 88)		(Symbol: MT)		(Symbol: R54)
B		B		B		E	B	E	B
	C		C		C
E		E		E		C	E	C	E
2SD2216 S		2SJ364 Q		2SK3075		2SK880 Y		3SK291
(Symbol: Y)		(Symbol: 4M)		(Symbol: UB F)		(Symbol: XY)		(Symbol: UF)
				S
B		S				S		G1	S
	C		G	G	D		G
				G	D
E		D				D		G2	D
		D				D		G2	D
HAT1024 R		MRF9745		MXR9745-RT1		UN9115		UN9116
(Symbol: 1024)		(Symbol: M745)		(Symbol: RG)		(Symbol: 6E)		(Symbol: 6F)
D2	G2	E	B	G		B		B
		E	B
D2	S2			S	S		C		C
				S	S		C		C
D1	G1	C	E	D		E		E
		C	E
D1	S1
D1	S1
UN911D		UN9210		UN9211		UN9214		UN9215
(Symbol: 6M)		(Symbol: 8L)		(Symbol: 8A)		(Symbol: 8A)		(Symbol: 8E)
B		B		B		B		B
	C		C		C		C		C
E		E		E		E		E
UN921E		XP1115		XP1116		XP1501 AB		XP4312
(Symbol: 8N)		(Symbol: 9L)		(Symbol: 7N)		(Symbol: 5R)		(Symbol: 7T)
B		B1	C1	B1	C1	B1	C1	E1	C1
B
	C	E		E		E		B1	B2
E		B2	C2	B2	C2	B2	C2	C2	E2
XP4315		XP4601		XP5601 AB		XP6401
(Symbol: CB)		(Symbol: 5C)		(Symbol: 4N)		(Symbol: 5O)
E1	C1	E1	C1	E2	C2	E1	C1
B1	B2	B1	B2	B2	E1	E2	B1
C2	E2	C2	E2	B1	C1	B2	C2

• DIODES

1SS364

1SV270

1SV271

1SV282

1SV288

(Symbol: BF)

(Symbol: TF)

(Symbol: TG)

(Symbol: TD)

(Symbol: TJ)

pink

1SV308

HVU350

MA132HK

MA132K

MA132WK

(Symbol: TX)

(Symbol: 4)

(Symbol: M3N)

(Symbol: 7N)

(Symbol: MU)

A1

C

A2

MA133

MA2S077

MA2S111

MA2S728

MA2SV05

(Symbol: MP)

(Symbol: S)

(Symbol: A)

(Symbol: B)

(Symbol: A)

A1

C1,A2

C2

MA6S121

MA729

MA8062 M

MA8100 M

RB060L-40

(Symbol: M2D)

(Symbol: 2B)

(Symbol: 8^6)

(Symbol: 10-)

(Symbol: 36)

RD5.1M B3				SB07-03C
(Symbol: 513)				(Symbol: J)

8 - 1

Image 36

Contents Multiband FM Transceiver Introduction Ordering PartsRepair Notes Sample OrderTable of Contents Specifications GeneralTransmitter Version 50 MHz 145 MHz 440 MHz 1200 MHz MHz RX onlyReceiver BandWFM WFMInside Views Logic UnitRF Unit CPUDisassembly Instructions Removing the Chassis Panel Removing the Shield PlateRemoving the Logic Unit Removing the RF Unit Logic unitAntenna Switching Circuits RF Unit Circuit DescriptionReceiver Circuits Duplexer Circuit RF Unit7 1ST Mixer Circuit RF Unit Transmitter Circuits DRIVE/POWER Amplifier Circuits RF Unit APC Circuits RF UnitMHz PA APC Control CircuitPower Supply Circuits Voltage Line PLL CircuitsLine Description VCCPort Allocations 1 I/O Expander IC RF Unit IC22 I/O Expander IC RF Unit IC3 Pin Port Description Number NameCPU Logic Unit IC1 Adjustment Procedures Preparation‘ Required Test Equipment ConnectionPLL Adjustment RF Unit Bottom View ULVVLV RF Unit TOP View 6MLVReceiver Adjustment DialSensitivity VHFLogic Unit TOP View Meter SSGTop Push and hold MHz band 101 dBmDisplayed frequency Push and hold445.000 MHz USA-1 SQL keyTransmitter Adjustment Deviation HPF OFF LPFDtmf AUS, SEAParts List =Surface mountTrimmer Ceramic ECUE1H121JCQ Transistor UN911D TX Coil Eljnd R10J 0.1U Themistor Ceramic ECUE1H060CCQ Ceramic ECUE1H390JCQ VCO Board Ceramic ECUE1H120JCQ Mechanical Parts and Disassembly AccessoriesChassis Parts VCO UnitMP29 C SEMI-CONDUCTOR Information Transistor and FET’SDiodes Board Layouts Logic UnitTOP View Bottom View IC1IC3 GND Pset IfinRF Unit IC6L912 J4 to Logic unit J1MP1 IC3IC2 VCO Board J302 to RF unitOUT 12VCOOUT VLVCO3 VHF GND VHVCO3 UVCO3 Uhfout GND 12VCO3 GNDQ354 Block Diagram Mode Xtal BPF PDA2, CK AMP TX/RX FrequencyTX/RX Buff ANT LPF HPF AMPReset Mode Xtal Initial BPFMOD TX/RX Frequency ANT Buff HPF LPF YGRSection Voltage Diagram Logic Unit2NDLO Oscin Mixin Oscout GND Mixout REC VCC DET Ifin RssiDEC Ifout Filout Quad WFM NTCCF20124AH 473KCT TXC12VCO COM2 Reset COM3 COM2 Reset PowerClonein VCC VIN Cpuhv COM4 COM3 COM2 COM1RF Unit VHF400M 1200M50M 00M1200MHz 400MHzGND1 PLST1 IN1ENB VCC2 LOK GND2Icom America Inc 5566I-S Icom Inc