Motorola IC-T81A, IC-T81E service manual Ceramic ECUE1H060CCQ

Page 30

[RF UNIT]

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

C6	4030014090	S.CERAMIC	ECUE1H060CCQ
C7	4030014170	S.CERAMIC	ECUE1H330JCQ
C8	4030014120	S.CERAMIC	ECUE1H100CCQ
C9	4030014420	S.CERAMIC	ECUE1H0R5BCQ
C10	4030014090	S.CERAMIC	ECUE1H060CCQ
C12	4030014100	S.CERAMIC	ECUE1H070CCQ
C13	4030014420	S.CERAMIC	ECUE1H0R5BCQ
C14	4030014020	S.CERAMIC	ECUE1H020BCQ
C15	4030014050	S.CERAMIC	ECUE1H030BCQ
C16	4030014240	S.CERAMIC	ECUE1H180JCQ
C17	4030014080	S.CERAMIC	ECUE1H050BCQ
C18	4030014150	S.CERAMIC	ECUE1H220JCQ
C19	4030014050	S.CERAMIC	ECUE1H030BCQ
C20	4030014140	S.CERAMIC	ECUE1H150JCQ
C21	4030014180	S.CERAMIC	ECUE1H470JCQ
C22	4030014490	S.CERAMIC	ECUE1E331KBQ
C23	4030014160	S.CERAMIC	ECUE1H270JCQ
C24	4030014500	S.CERAMIC	ECUE1H121JCQ
C25	4030014050	S.CERAMIC	ECUE1H030BCQ
C27	4030014120	S.CERAMIC	ECUE1H100CCQ
C28	4030014190	S.CERAMIC	ECUE1H680JCQ
C29	4030010080	S.CERAMIC	C1005 CH 1E 240J-T-A
C30	4030014440	S.CERAMIC	ECUE1H820JCQ
C31	4030014140	S.CERAMIC	ECUE1H150JCQ
C32	4030014180	S.CERAMIC	ECUE1H470JCQ
C33	4030013850	S.CERAMIC	ECUE1E102KBQ
C34	4030013850	S.CERAMIC	ECUE1E102KBQ
C35	4030013850	S.CERAMIC	ECUE1E102KBQ
C36	4030013850	S.CERAMIC	ECUE1E102KBQ
C37	4030013850	S.CERAMIC	ECUE1E102KBQ
C41	4030014050	S.CERAMIC	ECUE1H030BCQ
C42	4030013850	S.CERAMIC	ECUE1E102KBQ
C43	4030014020	S.CERAMIC	ECUE1H020BCQ
C44	4030013850	S.CERAMIC	ECUE1E102KBQ
C45	4030014000	S.CERAMIC	ECUE1H1R5BCQ
C46	4030014020	S.CERAMIC	ECUE1H020BCQ
C48	4030014050	S.CERAMIC	ECUE1H030BCQ
C49	4030014420	S.CERAMIC	ECUE1H0R5BCQ
C50	4030014000	S.CERAMIC	ECUE1H1R5BCQ
C51	4030014030	S.CERAMIC	ECUE1H2R5BCQ
C52	4030014030	S.CERAMIC	ECUE1H2R5BCQ
C53	4030014030	S.CERAMIC	ECUE1H2R5BCQ
C54	4030013850	S.CERAMIC	ECUE1E102KBQ
C55	4030013850	S.CERAMIC	ECUE1E102KBQ
C56	4030014140	S.CERAMIC	ECUE1H150JCQ
C57	4030013850	S.CERAMIC	ECUE1E102KBQ
C58	4030014070	S.CERAMIC	ECUE1H040BCQ
C59	4030013850	S.CERAMIC	ECUE1E102KBQ
C60	4030013850	S.CERAMIC	ECUE1E102KBQ
C61	4030014110	S.CERAMIC	ECUE1H080CCQ
C62	4030013850	S.CERAMIC	ECUE1E102KBQ
C63	4030013850	S.CERAMIC	ECUE1E102KBQ
C64	4030014020	S.CERAMIC	ECUE1H020BCQ
C65	4030013850	S.CERAMIC	ECUE1E102KBQ
C70	4030013850	S.CERAMIC	ECUE1E102KBQ
C71	4030013850	S.CERAMIC	ECUE1E102KBQ
C72	4030013850	S.CERAMIC	ECUE1E102KBQ
C73	4030013850	S.CERAMIC	ECUE1E102KBQ
C78	4030013850	S.CERAMIC	ECUE1E102KBQ
C82	4030013850	S.CERAMIC	ECUE1E102KBQ
C84	4030014350	S.CERAMIC	ECUE1H560JCQ
C85	4030013850	S.CERAMIC	ECUE1E102KBQ
C86	4550006710	S.TANTALUM	ECST1AX226R
C87	4550006710	S.TANTALUM	ECST1AX226R
C88	4030013850	S.CERAMIC	ECUE1E102KBQ
C89	4030013850	S.CERAMIC	ECUE1E102KBQ
C90	4510005600	S.ELECTROLYTIC ECEV1CS100SR
C91	4030013850	S.CERAMIC	ECUE1E102KBQ
C92	4550005980	S.TANTALUM	TEMSVA 1A 475M-8L
C93	4030013850	S.CERAMIC	ECUE1E102KBQ
C94	4030013850	S.CERAMIC	ECUE1E102KBQ
C95	4550002980	S.TANTALUM	TEMSVA 1C 225M-8L
C101	4030014190	S.CERAMIC	ECUE1H680JCQ
C102	4030014500	S.CERAMIC	ECUE1H121JCQ
C103	4030014180	S.CERAMIC	ECUE1H470JCQ
C107	4030013850	S.CERAMIC	ECUE1E102KBQ
C108	4030013850	S.CERAMIC	ECUE1E102KBQ
C114	4030009820	S.CERAMIC	C1005 JB 1C 103K-T-A
C115	4030014290	S.CERAMIC	ECUE1H090CCQ
C116	4030009820	S.CERAMIC	C1005 JB 1C 103K-T-A
C117	4030014050	S.CERAMIC	ECUE1H030BCQ
C119	4030013850	S.CERAMIC	ECUE1E102KBQ

[RF UNIT]

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

C120	4030016820	S.CERAMIC	ECUE1HR75BCQ
C121	4030013850	S.CERAMIC	ECUE1E102KBQ
C123	4030014120	S.CERAMIC	ECUE1H100CCQ
C124	4030013850	S.CERAMIC	ECUE1E102KBQ
C131	4030013850	S.CERAMIC	ECUE1E102KBQ
C132	4030013850	S.CERAMIC	ECUE1E102KBQ
C133	4030014050	S.CERAMIC	ECUE1H030BCQ
C135	4030013850	S.CERAMIC	ECUE1E102KBQ
C136	4030014050	S.CERAMIC	ECUE1H030BCQ
C137	4030014070	S.CERAMIC	ECUE1H040BCQ
C138	4030013850	S.CERAMIC	ECUE1E102KBQ
C139	4030014050	S.CERAMIC	ECUE1H030BCQ
C141	4030013850	S.CERAMIC	ECUE1E102KBQ
C142	4030013850	S.CERAMIC	ECUE1E102KBQ
C143	4030013850	S.CERAMIC	ECUE1E102KBQ
C144	4030009820	S.CERAMIC	C1005 JB 1C 103K-T-A
C145	4030013850	S.CERAMIC	ECUE1E102KBQ
C146	4030014210	S.CERAMIC	ECUE1H151JCQ
C147	4030014140	S.CERAMIC	ECUE1H150JCQ
C149	4030013850	S.CERAMIC	ECUE1E102KBQ
C150	4030013850	S.CERAMIC	ECUE1E102KBQ
C151	4030013850	S.CERAMIC	ECUE1E102KBQ
C152	4030013850	S.CERAMIC	ECUE1E102KBQ
C153	4030014080	S.CERAMIC	ECUE1H050BCQ
C154	4030009820	S.CERAMIC	C1005 JB 1C 103K-T-A
C155	4030013850	S.CERAMIC	ECUE1E102KBQ
C156	4030014100	S.CERAMIC	ECUE1H070CCQ
C157	4030014120	S.CERAMIC	ECUE1H100CCQ
C159	4030013850	S.CERAMIC	ECUE1E102KBQ
C160	4030013850	S.CERAMIC	ECUE1E102KBQ
C161	4030013850	S.CERAMIC	ECUE1E102KBQ
C163	4030013850	S.CERAMIC	ECUE1E102KBQ
C170	4030006860	S.CERAMIC	C1608 JB 1H 102K-T-A
C171	4030013850	S.CERAMIC	ECUE1E102KBQ
C172	4030013850	S.CERAMIC	ECUE1E102KBQ
C173	4030013850	S.CERAMIC	ECUE1E102KBQ
C175	4030006860	S.CERAMIC	C1608 JB 1H 102K-T-A
C178	4030014080	S.CERAMIC	ECUE1H050BCQ
C180	4030013850	S.CERAMIC	ECUE1E102KBQ
C181	4030013850	S.CERAMIC	ECUE1E102KBQ
C182	4030013850	S.CERAMIC	ECUE1E102KBQ
C183	4030013850	S.CERAMIC	ECUE1E102KBQ
C190	4030013850	S.CERAMIC	ECUE1E102KBQ
C191	4030013850	S.CERAMIC	ECUE1E102KBQ
C192	4030013850	S.CERAMIC	ECUE1E102KBQ
C193	4510005600	S.ELECTROLYTIC ECEV1CS100SR
C194	4030013850	S.CERAMIC	ECUE1E102KBQ
C195	4030009820	S.CERAMIC	C1005 JB 1C 103K-T-A
C196	4030013850	S.CERAMIC	ECUE1E102KBQ
C197	4030013850	S.CERAMIC	ECUE1E102KBQ
C198	4030013850	S.CERAMIC	ECUE1E102KBQ
C199	4030013850	S.CERAMIC	ECUE1E102KBQ
C200	4030013850	S.CERAMIC	ECUE1E102KBQ
C201	4030009820	S.CERAMIC	C1005 JB 1C 103K-T-A
C202	4030013850	S.CERAMIC	ECUE1E102KBQ
C203	4030013850	S.CERAMIC	ECUE1E102KBQ
C204	4030013850	S.CERAMIC	ECUE1E102KBQ
C205	4030013850	S.CERAMIC	ECUE1E102KBQ
C206	4030013850	S.CERAMIC	ECUE1E102KBQ
C207	4030013850	S.CERAMIC	ECUE1E102KBQ
C208	4030013850	S.CERAMIC	ECUE1E102KBQ
C209	4030013850	S.CERAMIC	ECUE1E102KBQ
C210	4030013850	S.CERAMIC	ECUE1E102KBQ
C211	4030013850	S.CERAMIC	ECUE1E102KBQ
C212	4030013850	S.CERAMIC	ECUE1E102KBQ
C213	4030013850	S.CERAMIC	ECUE1E102KBQ
C301	4030014150	S.CERAMIC	ECUE1H220JCQ
C302	4030014170	S.CERAMIC	ECUE1H330JCQ
C303	4030014240	S.CERAMIC	ECUE1H180JCQ
C304	4030013850	S.CERAMIC	ECUE1E102KBQ
C305	4030013850	S.CERAMIC	ECUE1E102KBQ
C306	4030014180	S.CERAMIC	ECUE1H470JCQ
C307	4030013850	S.CERAMIC	ECUE1E102KBQ
C308	4030013850	S.CERAMIC	ECUE1E102KBQ
C310	4030013850	S.CERAMIC	ECUE1E102KBQ
C311	4030013850	S.CERAMIC	ECUE1E102KBQ
C313	4030013850	S.CERAMIC	ECUE1E102KBQ
C314	4030013850	S.CERAMIC	ECUE1E102KBQ
C315	4030013850	S.CERAMIC	ECUE1E102KBQ
C318	4030014280	S.CERAMIC	ECUE1H0R3BCQ
C319	4030014110	S.CERAMIC	ECUE1H080CCQ
C320	4030014180	S.CERAMIC	ECUE1H470JCQ

S.=Surface mount

6 - 7

Image 30

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 SEMI-CONDUCTOR Information Transistor and FET’SDiodes Board Layouts Logic UnitTOP View IC3 Bottom ViewIC1 GND Pset IfinL912 RF UnitIC6 J4 to Logic unit J1MP1 IC3IC2 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