Teac-AG980-rec-sch 维修电路原理图.pdf

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1、RadioFans.CN 收音机爱 好者资料库STANDBY LEDAVCCVREFBAND OPTIONAVSSSET OPTIONNCNCKEY_IN3KEY_IN2KEY_IN1POWER DOWNNCNCNCNCNCNCNCNCSTANDBY LEDAVCCVREFBAND OPTIONAVSSSET OPTIONNCNCKEY_IN3KEY_IN2KEY_IN1POWER DOWNNCNCNCNCNCNCNCNCP9_7AVCCVREFP10_0AVSSP10_1P10_2P10_3P10_4/K10P10_5/K11P10_6/K12P10_7/K13P0_0/D0P0_1/D1P

2、0_2/D2P0_3/D3P0_4/D4P0_5/D5P0_6/D6P0_7/D7VOL_UPVOL_UPP9_6P1_0/D8NCVOL_DNNCVOL_DNP9_5P1_1/D9NCFL_RSTNCFL_RSTP9_4P1_2/D10NCFL_CSNCFL_CSP9_3P1_3/D11NCFL_CLKNCFL_CLKP9_2P1_4/D12NCREMOCONNCREMOCONP9_1P1_5/D13/INT3NCFL_DATANCFL_DATAP9_0P1_6/D14/INT4RDS_CLKVSSRDS_CLKVSSBYTEP1_7/D15/INT5NCCNVSSNCCNVSSCNVSSP

3、2_0/A0NCNCNCNCP8_7P2_1/A1NCNCNCNCP8_6P2_2/A2NCRESETNCRESETRESETP2_3/A3NCXOUTNCXOUTXOUTP2_4/A4NCVSSNCVSSVSSP2_5/A5NCXINNCXINXINP2_6/A6NCVCCNCVCCVCC1P2_7/A7NCNMINCNMIP8_5VSSVSSNCVSSNCP8_4P3_0/A8NCNCNCNCP8_3/INT1VCC2VCC2PROTECTIONVCC2PROTECTIONP8_2/INT0P3_1/A9NCSPK_RLY_ANCSPK_RLY_AP8_1P3_2/A10NCSPK_RLY

4、_BNCSPK_RLY_BP8_0P3_3/A11NCSPK_RLY_CNCSPK_RLY_CP7_7P3_4/A12NCSPK_RLY_DNCSPK_RLY_DP7_6P3_5/A13NCPOWER RLYNCPOWER RLYP7_5P3_6/A14NCH/P_RELAYNCH/P_RELAYP7_4P3_7/A15NJW1197_CLKNCNJW1197_CLKNCP7_3P4_0/A16NJW1197_DATANCNJW1197_DATANCP7_2P4_1/A17NJW1197_LATCHNCNJW1197_LATCHNCP7_1P4_2/A18NCNCNCNCP7_0P4_3/A1

5、9P98E2PROM_SDAE2PROM_SDAP6_7P6_6P6_5P6_4P6_3P6_2P6_1P6_0P5_7P5_6P5_5P5_4P5_3P5_2P5_1P5_0P4_7P4_6P4_5P4_4TX(Crestron)Rx(Crestron)NCNCNCNCTUNEDPLL_DA_INPLL_CLKPLL_DA_OUTRS232C_UPGRADE(EPM)PLL_CERDS_DATANCNCRS232C_UPGRADE(CE)TUNER_MUTEMAIN_MUTEROOM_MUTEE2PROM_SCLIC101AG980B MICOM CONTROL PIN DEFINETX(C

6、restron)Rx(Crestron)NCNCNCNCTUNEDPLL_DA_INPLL_CLKPLL_DA_OUTRS232C_UPGRADE(EPM)PLL_CERDS_DATANCNCRS232C_UPGRADE(CE)TUNER_MUTEMAIN_MUTEROOM_MUTEE2PROM_SCLIC101AG980B MICOM CONTROL PIN DEFINE1099989796959493929190898887868580797877767574737271706968676665646352514645444342414039383736353332313029181716

7、15141312111098765432134504948478483828112MHzM30302FEPFP62616059585755554531920212223242526228RadioFans.CN 收音机爱 好者资料库PIN NO.NAMEI/OBDPIN NO.NAMEI/OBD1 1VOL_UPI IInput for main volume up.2 2VOL_DNI IInput for main volume down.3 3FL_RSTO OReset signal output to SC163154 4FL_CSO OChip enable signal outp

8、ut to SC163155 5FL_CLKO OClock signal output to SC163156 6REMOCONI IInput fot the Remocon data7 7FL_DATAO OData signal output to SC163158 8VSSGround9 9CNVSSFlash memory programing mode setting1010NCNot used!1111NC Not used!1212RESETI IInput for resetting the CPU1313XOUTOutput for 12MHz crystal oscil

9、lator1414VSSGround1515XINinput for 12MHz crystal oscillator1616VCC+3.3V power supply1717NMI CPU internal operating for Port1818NCNot used!1919NCNot used!2020PROTECTIONI IInput for protect data2121SPK_RLY_AO OOutput for Relay control data2222SPK_RLY_BO OOutput for Relay control data2323SPK_RLY_CO OOu

10、tput for Relay control data2424SPK_RLY_DO OOutput for Relay control data2525POWER RLYO OOutput for Relay control data2626H/P_RELAYO OOutput for Relay control data2727NCO ONot used!2828NC Not used!2929NCNot used!3030NCNot used!3131TX(Crestron)O OCPU upgrade data transmit3232Rx(Crestron)I ICPU upgrade

11、 data receiver 3333NCNot used!3434NCNot used!3535NCNot used!3636NCNot used!3737TUNEDI IInput for detecting TUNED condition.3838PLL_DA_INI IInput for PLL data receiver3939PLL_CLKO OClock signal output to tuner pack4040PLL_DA_OUTO OOutput for PLL data receiver4141RS232C_UPGRADE(EPM)I IFlash memory pro

12、graming mode setting4242PLL_CEI IChip enable signal output to tuner pack4343RDS_DATAI IRadio data signal input from tuner pack4444NC 4545NC 4646RS232C_UPGRADE(CE)I IChip select for CPU upgrade4747TUNER_MUTEO OData signal output to tuner mute4848MAIN_MUTEO OData signal output to main mute4949ROOM_MUT

13、EO OData signal output to room2 mute5050E2PROM_SCLO OClock signal output for E2PROM 5151E2PROM_SDAI/OI/OData signal output for E2PROM5252NCNot used!5353NJW1197_LATCHO OChip select data for NJW11975454NJW1197_DATAO OCommnuication data for NJW11975555NJW1197_CLKO OClock signal for NJW11975656NCNot use

14、d!5757NCNot used!5858NCNot used!5959NCNot used!6060NCNot used!6161NCNot used!6262VCC2+3.3V Power supply6363NC Not used!6464VSSNot used!6565NC Not used!6666NC Not used!6767NC Not used!MODEL : AG980M30302FEPFP u-COM PORT DesignMODEL : AG980M30302FEPFP u-COM PORT DesignPIN NO.NAMEBDPIN NO.NAMEBD6868NC

15、Not used!6969NC Not used!7070NC Not used!7171NC Not used!7272NC Not used!7373NC Not used!7474RDS_CLKO OClock signal for tuner RDS7575NC Not used!7676NCNot used!7777NCNot used!7878NCNot used!7979NCNot used!8080NCNot used!8181NCNot used!8282NC Not used!8383NC Not used!8484NC Not used!8585NC Not used!8

16、686NC Not used!8787NC Not used!8888NCNot used!8989POWER DOWNI IInput for power down9090KEY_IN1I IData input for key scan9191KEY_IN2I IData input for key scan9292KEY_IN3I IData input for key scan9393NC Not used!9494NC Not used!9595SET OPTIONI IInput for select set9696AVSSGround9797BAND OPTIONI IInput

17、 for select the frequency ranges steps of FM and AM9898VREF+3.3V power supply9999AVCC+3.3V power supply100100STANDBY LEDO OOutput signal for LEDGNDTX+12VR-OUTL-OUTRXCERDS CLKPLL DATA INPLL DATA OUTDOM 470K 470KTUNER_LCLKGNDRESETGNDEPMFUSEUSAREGION OPTIONUSAEURR108R107470K470KDAB BDPLL CETUNEDAMP BD+VkkFLT 2LINE+3.9VCNVSS-Vkk MAINRLY_AINPUT RS232 BDFRONTRDS DATAMUTE_B+ROOMRLY_D MAINRLY_BROOMRLY_CDAB ONLYEUROPETUNER PACKTUNER_RProtection?TO MAIN BDTO MAIN BD TOMAIN BDTO H/P BD?1197_DATA1197_LATCHTUNER_RR CHL CHR CHL CHR CHL CHR CHL CHR CHL CHR CHL CH1197_CLKTUNER_LAMP BD?