Motorola IC-T81A, IC-T81E service manual Ceramic ECUE1H121JCQ

Page 26

[LOGIC UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

 

C307

4030013850

S.CERAMIC

ECUE1E102KBQ

C308

4030014500

S.CERAMIC

ECUE1H121JCQ

C309

4030009000

S.CERAMIC

C2012

JB 1C 224K-T-A

C310

4030014220

S.CERAMIC

ECUE1E471KBQ

C311

4550005980

S.TANTALUM

TEMSVA 1A 475M-8L

C312

4030014220

S.CERAMIC

ECUE1E471KBQ

C313

4030006880

S.CERAMIC

C1608

JB 1H 472K-T-A

C314

4030013850

S.CERAMIC

ECUE1E102KBQ

C315

4030013850

S.CERAMIC

ECUE1E102KBQ

C316

4550005980

S.TANTALUM

TEMSVA 1A 475M-8L

C317

4030008920

S.CERAMIC

C1608

JB 1C 473K-T-A

C318

4030009820

S.CERAMIC

C1005

JB 1C 103K-T-A

C319

4030013850

S.CERAMIC

ECUE1E102KBQ

C320

4030013850

S.CERAMIC

ECUE1E102KBQ

C321

4030013850

S.CERAMIC

ECUE1E102KBQ

C322

4030013850

S.CERAMIC

ECUE1E102KBQ

C323

4030013850

S.CERAMIC

ECUE1E102KBQ

C324

4030013850

S.CERAMIC

ECUE1E102KBQ

C325

4030013850

S.CERAMIC

ECUE1E102KBQ

C326

4030013850

S.CERAMIC

ECUE1E102KBQ

C328

4030013850

S.CERAMIC

ECUE1E102KBQ

C361

4030008920

S.CERAMIC

C1608

JB 1C 473K-T-A

C362

4030013850

S.CERAMIC

ECUE1E102KBQ

C700

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C701

4030014320

S.CERAMIC

ECUE1H181JCQ

C703

4030013850

S.CERAMIC

ECUE1E102KBQ

C706

4030009820

S.CERAMIC

C1005

JB 1C 103K-T-A

C707

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C708

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C709

4550006680

S.TANTALUM

ECST0JY156R

C712

4030014170

S.CERAMIC

ECUE1H330JCQ

C713

4030013850

S.CERAMIC

ECUE1E102KBQ

C714

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C715

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C716

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C718

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C719

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C720

4030008920

S.CERAMIC

C1608

JB 1C 473K-T-A

C733

4030013850

S.CERAMIC

ECUE1E102KBQ

C734

4030013850

S.CERAMIC

ECUE1E102KBQ

C735

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C736

4030013850

S.CERAMIC

ECUE1E102KBQ

C737

4030009820

S.CERAMIC

C1005

JB 1C 103K-T-A

C751

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C752

4030014150

S.CERAMIC

ECUE1H220JCQ

C753

4030009820

S.CERAMIC

C1005

JB 1C 103K-T-A

C754

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C755

4030008920

S.CERAMIC

C1608

JB 1C 473K-T-A

C756

4030009820

S.CERAMIC

C1005

JB 1C 103K-T-A

C757

4030009000

S.CERAMIC

C2012

JB 1C 224K-T-A

C758

4550005980

S.TANTALUM

TEMSVA 1A 475M-8L

C759

4030013850

S.CERAMIC

ECUE1E102KBQ

C901

4030013850

S.CERAMIC

ECUE1E102KBQ

C903

4030013850

S.CERAMIC

ECUE1E102KBQ

C904

4030013850

S.CERAMIC

ECUE1E102KBQ

C906

4030013850

S.CERAMIC

ECUE1E102KBQ

C907

4030013850

S.CERAMIC

ECUE1E102KBQ

C909

4030013850

S.CERAMIC

ECUE1E102KBQ

C910

4030013850

S.CERAMIC

ECUE1E102KBQ

C912

4030013850

S.CERAMIC

ECUE1E102KBQ

C913

4030013850

S.CERAMIC

ECUE1E102KBQ

C914

4030013850

S.CERAMIC

ECUE1E102KBQ

C917

4030013850

S.CERAMIC

ECUE1E102KBQ

C918

4030013850

S.CERAMIC

ECUE1E102KBQ

C919

4030011600

S.CERAMIC

C1608

JB 1C 104KT-N

C923

4030014180

S.CERAMIC

ECUE1H470JCQ

C926

4030013850

S.CERAMIC

ECUE1E102KBQ

C927

4030013850

S.CERAMIC

ECUE1E102KBQ

J1

6510019860

S.CONNECTOR

AXK6S40645P

J3

6450002010

S.CONNECTOR

HSJ1501-011010

J4

6450001680

CONNECTOR

HSJ1122-010010

DS1

5040002230

S.LED

CL-200YG-C-TS

DS3

5010000150

S.LED

LT1EP53A

DS4

5030001700

LCD

LM-1782B

MC1

7700002310

MICROPHONE

EM-140

 

 

 

 

 

[LOGIC UNIT]

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

S7

2260002530

S.SWITCH

EVQ-WRR001

S401

2230000900

S.SWITCH

JPM1990-2013R

S402

2230000900

S.SWITCH

JPM1990-2013R

W1

9020720180

WIRE

71/98/040/X98/X98

EP1

0910051324

PCB

B 5136D

EP2

8930048950

LCD CONTACT

SRCN-2135-SP-N-W

[RF UNIT]

 

 

REF

ORDER

 

DESCRIPTION

NO.

NO.

 

 

 

 

 

 

 

IC2

1130007510

S.IC

BU4094BCFV-E1

IC3

1130007510

S.IC

BU4094BCFV-E1

IC6

1180001720

S.IC

S-81332HG-KC-T1

IC51

1110003370

S.IC

µPC2748T-E3

IC501

1110003370

S.IC

µPC2748T-E3

IC601

1110004020

S.IC

µPC2757T-E3

IC801

1130007610

S.IC

µPD3140GS-E1 (DS8)

IC802

1130009370

S.IC

TB31242FN (EL)

IC901

1110004050

S.IC

NJM3404AV-TE1

Q1

1540000350

S.TRANSISTOR

2SD2216-S (TX)

Q2

1590001170

S.TRANSISTOR

XP1501-(TX) AB

Q3

1520000460

S.TRANSISTOR

2SB1132 T100 R

Q4

1520000460

S.TRANSISTOR

2SB1132 T100 R

Q5

1590001140

S.TRANSISTOR

UN9210 (TX)

Q6

1590002580

S.FET

HAT1024R-EL

Q9

1590001650

S.TRANSISTOR

XP4601 (TX)

Q51

1530003650

S.TRANSISTOR

2SC5319 (TE85L)

Q53

1590001690

S.TRANSISTOR

UN9115 (TX)

Q101

1530003560

S.TRANSISTOR

2SC5195-T1

Q131

1530003560

S.TRANSISTOR

2SC5195-T1

Q132

1530003660

S.TRANSISTER

2SC5454-T1 R54

Q133

1530002560

S.TRANSISTOR

2SC4403-3-TL

Q134

1530000371

S.TRANSISTOR

2SC3356 R25-T2B

Q135

1530003310

S.TRANSISTOR

2SC5107-O (TE85R)

Q136

1530000371

S.TRANSISTOR

2SC3356 R25-T2B

Q138

1590002640

S.FET

MXR9745RT1

Q139

1590001690

S.TRANSISTOR

UN9115 (TX)

Q140

1540000350

S.TRANSISTOR

2SD2216-S (TX)

Q201

1580000700

S.FET

3SK292 (TE85R)

Q202

1590001690

S.TRANSISTOR

UN9115 (TX)

Q301

1580000690

S.FET

3SK291 (TE85R)

Q302

1590002380

S.TRANSISTOR

XP1115 (TX)

Q341

1530003640

S.TRANSISTOR

2SC4215-O (T5RICOM)

Q342

1530002600

S.TRANSISTOR

2SC4215-O (TE85R)

Q343

1530002920

S.TRANSISTOR

2SC4226-T2 R25

Q401

1530003560

S.TRANSISTOR

2SC5195-T1

Q403

1590001690

S.TRANSISTOR

UN9115 (TX)

Q501

1530003560

S.TRANSISTOR

2SC5195-T1

Q502

1590002380

S.TRANSISTOR

XP1115 (TX)

Q503

1590001860

S.TRANSISTOR

UN9215 (TX)

Q602

1590001980

S.TRANSISTOR

XP4315 (TX)

Q701

1530002600

S.TRANSISTOR

2SC4215-O (TE85R)

Q721

1530002600

S.TRANSISTOR

2SC4215-O (TE85R)

Q803

1560000540

S.FET

2SK880-Y (TE85R)

Q804

1560000540

S.FET

2SK880-Y (TE85R)

Q805

1530003000

S.TRANSISTOR

2SC4117-BL (TE85R)

Q807

1530003310

S.TRANSISTOR

2SC5107-O (TE85R)

Q811

1560000540

S.FET

2SK880-Y (TE85R)

Q812

1530003000

S.TRANSISTOR

2SC4117-BL (TE85R)

Q813

1530003310

S.TRANSISTOR

2SC5107-O (TE85R)

Q816

1530002930

S.TRANSISTOR

2SC4228 (M) -T1 R45

Q817

1590001150

S.TRANSISTOR

UN9211 (TX)

Q818

1590002560

S.TRANSISTOR

XP1116 (TX)

Q819

1590002560

S.TRANSISTOR

XP1116 (TX)

Q820

1590001850

S.TRANSISTOR

UN9116 (TX)

Q821

1530002560

S.TRANSISTOR

2SC4403-3-TL

Q822

1530003310

S.TRANSISTOR

2SC5107-O (TE85R)

Q823

1530003310

S.TRANSISTOR

2SC5107-O (TE85R)

Q824

1530003560

S.TRANSISTOR

2SC5195-T1

Q825

1590001970

S.TRANSISTOR

UN921E (TX)

S.=Surface mount

6 - 3

Image 26
Contents Multiband FM Transceiver Repair Notes IntroductionOrdering Parts Sample OrderTable of Contents Transmitter SpecificationsGeneral Version 50 MHz 145 MHz 440 MHz 1200 MHz MHz RX onlyWFM ReceiverBand WFMRF Unit Inside ViewsLogic Unit CPURemoving the Logic Unit Removing the RF Unit Disassembly InstructionsRemoving the Chassis Panel Removing the Shield Plate Logic unitReceiver Circuits Antenna Switching Circuits RF UnitCircuit Description Duplexer Circuit RF Unit7 1ST Mixer Circuit RF Unit Transmitter Circuits MHz PA DRIVE/POWER Amplifier Circuits RF UnitAPC Circuits RF Unit APC Control CircuitLine Description Power Supply Circuits Voltage LinePLL Circuits VCC2 I/O Expander IC RF Unit IC3 Port Allocations1 I/O Expander IC RF Unit IC2 Pin Port Description Number NameCPU Logic Unit IC1 ‘ Required Test Equipment Adjustment ProceduresPreparation ConnectionPLL Adjustment VLV RF Unit Bottom ViewULV RF Unit TOP View 6MLVSensitivity Receiver AdjustmentDial VHFLogic Unit TOP View Top Push and hold MHz band MeterSSG 101 dBm445.000 MHz USA-1 Displayed frequencyPush and hold SQL keyTransmitter Adjustment Dtmf DeviationHPF OFF LPF AUS, SEAParts List =Surface mountTrimmer Ceramic ECUE1H121JCQ Transistor UN911D TX Coil Eljnd R10J 0.1U Themistor Ceramic ECUE1H060CCQ Ceramic ECUE1H390JCQ VCO Board Ceramic ECUE1H120JCQ Chassis Parts Mechanical Parts and DisassemblyAccessories VCO UnitMP29 C Diodes SEMI-CONDUCTOR InformationTransistor and FET’S TOP View Board LayoutsLogic Unit IC3 Bottom ViewIC1 GND Pset IfinL912 RF UnitIC6 J4 to Logic unit J1IC2 MP1IC3 OUT 12VCOOUT VCO BoardJ302 to RF unit VLVCO3 VHF GND VHVCO3 UVCO3 Uhfout GND 12VCO3 GNDQ354 Block Diagram TX/RX Buff Mode Xtal BPF PDA2, CK AMPTX/RX Frequency ANT LPF HPF AMPMOD TX/RX Frequency ResetMode Xtal Initial BPF ANT Buff HPF LPF YGRSection Voltage Diagram Logic UnitDEC Ifout Filout Quad 2NDLOOscin Mixin Oscout GND Mixout REC VCC DET Ifin Rssi WFM NTCCF20124AH 473KCT TXCClonein VCC VIN Cpuhv 12VCO COM2 ResetCOM3 COM2 Reset Power COM4 COM3 COM2 COM1400M RF UnitVHF 1200M1200MHz 50M00M 400MHzENB VCC2 GND1PLST1 IN1 LOK GND2Icom America Inc 5566I-S Icom Inc