Teac-AGH300MKlll-rec-sm 维修电路原理图.pdf

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1、RadioFans.CN 收音机爱 好者资料库RadioFans.CN 收音机爱 好者资料库SERVICE MANUALPIN No.SYMBOLI/ODESCRIPTION12345679101112131415161721222324252627282930313233343536373839404142434445464748495051616282838586878889909192939495100VddNCFunc, MuteNCNCNCFunc, IndicatorNCRDS-DATAFM-LRDS-CLKStereo-INTuned-INProtect-INKey InputV

2、ssVassVarefVddBack-upVssFunc, Up/DownVssXINXOUTRESETRemote-InBUS OUTBUS INSPK ON/OFFNC-20dB MuteNCPLL CEPLL DATAPLL CLKOptionNCSTBCLKDATANCVkkFIP GRIDFIP ANODEOptionOptionOptionOptionStandbyVOL OPVOL DOWNVOL LEDPower ON/OffStandby LEDNCI-O-O-IIIIIII-I-I-IOIIOIO-O-OOOO-OOO-OOOOOOOOOOOO+5VNO Connectio

3、nFunction Mute ON/OFF OutputNo ConnectionFunction LED Drive Data OutputNo connectionRDS DATA OutputFM/AM Switching OutputRDS CLOCK inputStereo Display inputTuned Display inputProtection inputResistor Divide Key Control InputGNDGNDVdd(+5V)+5VBackup Mode controlGNDFunction UP/DOWN INputGNDCrstal eleme

4、nt Connection TerminalCrstal element Connection TerminalRESET InputRemote Control Data InputSystem Control Signal OutputSystem Control Signal InputSpeker ON/OFF OutputNO Connection-20dB Mute OutputNo ConnectionPLL Serial Chip Enable OutputPLL Serial Data OutputPLL Serial CLOCK OutputAmp/Receiver Opt

5、ionNo ConnectionFunction IC Signal OutputFunction IC Signal OutputFunction IC Signal OutputNo ConnectionVFLP (-33V)FIP GRID OutputFIP ANODE OutputRegion OptionDisplay OptionRDS ON/OFF OptionModel OptionStandby/ Direct Option OutputVOL UPVOL DOWNVOL LED DisplayPower ON/OFF OutputStandby LED ON/OFF Ou

6、tputNo ConnectionIC FUNCTION (Micom BVITMP87PM78F)634 45 56 67 78 89MAIN PCBA 9 MAIN PCBA10FRONT PCBA11IN PUT PCBA 1112 1213AG-H300mk 1386745231EDCBASCHEMATIC DIAGRAMAG-H300AM/FM STEREO RECEIVERAG-H300AG-H3001 st Issue; June 2001INSTRUCTIONS FOR SERVICE PERSONNELBEFORE RETURNING APPLIANCE TO THE CUS

7、TOMER, MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSEDPARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT.NOTES:1. Resistor values are in ohms (k=kilo-ohms, M=megohms).2. Capacitor values are in microfarads (p=picofarads).3. Parts marked with this sign are safety critica

8、l components.They must always be replaced with identical components-refer to the appropriate parts list and ensure exact replacement.注 意1. 抵抗単位 （，） 。2. 単位 （） 。3. 部品安全規格重要部品。交換必指定部品使用。14AG-H300mkAG-H300mk 1486745231EDCBASCHEMATIC DIAGRAMAG-H300AM/FM STEREO RECEIVERAG-H300AG-H3001 st Issue; June 2001I

9、NSTRUCTIONS FOR SERVICE PERSONNELBEFORE RETURNING APPLIANCE TO THE CUSTOMER, MAKE LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS TO DETERMINE THAT EXPOSEDPARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT.NOTES:1. Resistor values are in ohms (k=kilo-ohms, M=megohms).2. Capacitor values are in microfarads (p=picofarads).3. Parts marked with this sign are safety critical components.They must always be replaced with identical components-refer to the appropriate parts list and ensure exact replacement.注 意1. 抵抗単位 （，） 。2. 単位 （） 。3. 部品安全規格重要部品。交換必指定部品使用。15AG-H300mk 15AG-H300mk