Technics-SHMZ1200-mix-sm 维修电路原理图.pdf

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1、Input switch for adjusting left and right inputindividually (L/R SPLIT)Input switch (CH1-CH4)CD/LINE DIGITAL: Line or CD input, Digital inputLINE: Line inputPHONO 1-3: Turntable phono inputInput control knob (CH1-CH4) Input level control knob (TRIM)High-tone input control knob (HIGH)Mid-tone input c

2、ontrol knob (MID)Low-tone input control knob (LOW)Channel effect (CH1-CH4) switch (EFFECT)Power indicator lamp (POWER) Output level meter (OUTPUT LEVEL)Play mode lamp (PLAY MODE)Master output control knob (MASTER)Master level volume control knob (MASTER LEVEL)Master balance control knob (MASTER BALA

3、NCE)Output separation ON, OFF switch (SEPARATE OUT)Monitor control knob (MONITOR)Monitor level volume control knob (LEVEL)Monitor mixing control knob (MIXING)Monitor mode switch (MODE)Monitor select button-display lamp (CUE) CH1-CH4: CH1-CH4 monitor selectorEFFECT: Effector monitor selectorChannel f

4、ader (CH1 - CH4)Cross fader (CROSS FADER) Cross fader Assign A, B switch(C. FADER ASSIGN) Effector output switch (PRE/POST) Input-output effect control knob (EFFECT)Output effect control knob (SEND)Input effect control knob (RETURN)Microphone input control knob (MIC)Microphone level volume control k

5、nob (MIC LEVEL)High-tone microphone control knob (HIGH)Low-tone microphone control knob (LOW)Control panelRadioFans.CN 收音机爱 好者资料库Cross fader curve control switch(C.FADER CURVE)Curve switch (CURVE)Cross fader operation switch (CROSS FADER)Fader operation switch (CH1-CH4 FADER)Headphone terminal (PHON

6、ES) Fader start (ON, OFF) switch (FADER START)Front panelRear panelPower button (POWER OFF ON)Turntable earth terminal (PHONO EARTH)Input terminal (CH1-CH4)CD/LINE: CD or line terminalLINE: Line terminalPHONO 1-3: Turntable phono terminalMicrophone input terminal (MIC1, MIC2)Effector input-output te

7、rminal(EFFECT RETURN, EFFECT SEND) Player control (CH1, CH4) terminal(PLAYER CONTROL)Digital output terminal (DIGITAL OUT)Digital input (CH1, CH4) terminal (DIGITAL IN) Output terminalMaster out 1, 2 terminal (MASTER OUT)Monitor out terminal (MONITOR OUT)Rec terminal (REC OUT)Power input terminal (A

8、C IN )RadioFans.CN 收音机爱 好者资料库DJ MixerFader Replacement InstructionsFirst, remove the AC power supply cord (AC mainslead) and follow the steps below to replace with anew fader.1Remove all five channel fader,cross fader knobs, and the re-placement panelRemove the four plate screws on the replace-ment

9、panel.Replacement panel2Remove the channel fader orcross fader to be replacedDo not let the screws fall inside theunit.-1 Remove the two fader fasteningscrews-2 Remove the faderChannel faderTurn on an angle and lift to remove.Cross faderTurn on an angle and lift to remove.-3 Remove the fader cable w

10、hile hold-ing the 3 pin connector 3 pin connector-4 Cross faderRemove the two fastening screws, theoptical device unit, and then the crossfader. Move the lever toward the center andremove. Do not change the shape of the opticaldevice unit or the 4 pin terminal. Lever 4 pin terminal3Attach the new ch

11、annel fader orcross faderAttach by performing the opposite of the re-move step.4Attach the replacement panel andknobsDIGITALINC0JAAB000080IC2035INTERFACEL20101L20115128CH1CH44222DVSSAVSS41C1BB00000692IC3502DIGITALAUDIO TRANSCEIVER1321TVDDDVDD+B4RX026BICK24LRCK+B538AVDD+B527MCKO225SDTO1LRCKDATA23BCK5

12、XTIPCM1734EB-E2IC3505D/A CONVERTERVOUTL(VOUTR)16(13)BUFFERAMPM5218AFPE3IC35088VDD+B39VCC2R+B320VCC2L+B315VCC1+B3DGND7AGND114AGND2R10AGND2L193637SWITCH-ING22RSTD3501D3500Q3501INT0INT14222DVSSAVSS41C1BB00000692IC3503DIGITALAUDIO TRANSCEIVER1321TVDDDVDD+B4RX026BICK24LRCK+B538AVDD+B527MCKO225SDTO1LRCKDA

13、TA23BCK5XTIPCM1734EB-E2IC3506D/A CONVERTERVOUTL(VOUTR)16(13)BUFFERAMPM5218AFPE3IC35098VDD+B39VCC2R+B320VCC2L+B315VCC1+B3DGND7AGND114AGND2R10AGND2L193637SWITCH-ING22RSTD3503D3502Q3502INT0INT122DVSSAVSS41C1BB00000692IC3501DIGITALAUDIO TRANSCEIVER1321TVDDDVDD+B416TX1+B538AVDD+B526BICK27MCKO2ANDGATEL200

14、1DIGITALOUTC0JBAA000115IC3507+B4C0EBG0000121IC3512SINGLE-END/DIFFERENTIALCONVERTERREFERENCE5th ORDERDELTA-SIGMAMODULATORx164(x1/128)DECIMATIONFILTER WITHDC CUTFILTERCLOCK&TIMINGCONTROLPOWER SUPPLYBCKSERIALINTERFACE/MODE/FORMATCONTROLMODE0MODE1BYPASLRCKFSYNCDOUTFMT0FMT1OSRSCKIVcc+B3AGNDDGNDVDD+B5VINR

15、VREF1VREF2234561314167158192012111091718+B3+B5+B5VINL1PDWNR chC0FBAK000008IC350424bit A/D CONVERTERDAUX2824LRCK+B5C0EBE0000274IC351131PDN31PDN31PDNAVOLTAGEDET.VOLTAGEDET.14+B4REGULATOR+B4+B5C0CBCBE00003IC3510SH-MZ1200(PP,EG,EB,EP,GN) BLOCK DIAGRAMLINECD/LINECH1LINEAMPNJM4580DDIC3020CD/LINEAMPPHONO1L

16、INECH2PHONEAMPNJM4580DDIC3002LINEAMPNJM4580DDIC3021PHONO2LINECH3PHONOAMPNJM4580DDIC3001LINEAMPNJM4580DDIC3022PHONO3CD/LINECH4PHONOAMPNJM4580DDIC3003CD/LINEAMPNJM4580DDIC3004NJM4580DDIC102C2CBJH000088IC3012MICRO COMPUTERSENSORB3NAA0000044IC801SENSORB3NAA0000044IC802BUFFERAMPAN6914IC30245657+B497VR801

17、(CROSS FADER)+B495VR803(CHANNELFADERCH1)+B494VR805(CHANNELFADERCH2)+B493VR807(CHANNELFADERCH3)+B492VR809(CHANNELFADERCH4)+B4D2004,2005(PLAYMODE)82+B4D2006,2007(PLAYMODE)811315X3002S1002C0JBAS000035IC1002L/R PLAY MODE SELECTOR231S100367810119141516R chR chR chR chC0JBAS0000035IC1003L/R PLAY MODE SELE

18、CTOR231678R chR chEQAMPNJM4580MTE1IC1043VR1008(TRIM)EQAMPNJM4580MTE1IC1042VR1001(TRIM)EQAMPNJM4580MTE1IC1032EQAMPNJM4580MTE1IC1033VR1036(HIGH)EQAMPNJM4580MTE1IC1026VR1035(MID)EQAMPNJM4580MTE1IC1018VR1020(LOW)EQAMPNJM4580MTE1IC1027EQAMPNJM4580MTE1IC1028VR1029(HIGH)EQAMPNJM4580MTE1IC1020VR1025(MID)EQA

19、MPNJM4580MTE1IC1012VR1014(LOW)S1005C0JBAS000035IC1005L/R PLAY MODE SELECTOR231S100467810119141516R chR chR chR chC0JBAS0000035IC1006L/R PLAY MODE SELECTOR231678R chR chEQAMPNJM4580MTE1IC1007VR1003(TRIM)EQAMPNJM4580MTE1IC1008VR1005(TRIM)EQAMPNJM4580MTE1IC1029EQAMPNJM4580MTE1IC1030VR1031(HIGH)EQAMPNJM

20、4580MTE1IC1022VR1026(MID)EQAMPNJM4580MTEIIC1014VR1016(LOW)EQAMPNJM4580MTE1IC1031EQAMPNJM4580MTE1IC1044VR1033(HIGH)EQAMPNJM4580MTE1IC1024VR1027(MID)EQAMPNJM4580MTE1IC1016VR1018(LOW)S701(ASSIGN A)S702(ASSIGN B)9088848587867776807978EQAMPNJM4580MTE1IC1010VR1010(EFFECTRETURN)MICAMPNJM4580MTE1IC1004MICAM

21、PVR1007(MIC LEVEL)MICAMPVR1013(HIGH)VR1012(LOW)NJM4580MTE1IC1009NJM4580MTE1IC1011EFFECTAMPNJM4580DDIC3023MICAMPNJM4580DDIC3025EFFECTRETURNMICPLAYERCONT.Q3002L2014PLAYERCONT.Q30015191CH4CH1PLAYER CONTROL16,62,99+B414,64,96SH-MZ1200(PP,EG,EB,EP,GN) BLOCK DIAGRAMC0JAAS000020IC2007EFFECT PRESW(CH1/2)15(

22、11)14(10)16(9)2(6)3(7)1(8)MIXAMPUPC4570CIC2018C2CBJH000088IC3012MICRO COMPUTERC0JBAS000035IC1040CUE SW6(2)7(3)8(1)C0JBBF000053IC1039LOGICCONTROLLOGICCONTROLLEDDRIVE+B3D1006(CUEEFFECT)Q1005C0JBAC000280IC1034C0JBAS000035IC1035CUE SW15(11)14(10)16(9)2(6)3(7)1(8)LOGICCONTROLC0JBBF000053IC1036LEDDRIVE+B3

23、D1002(CUECH2)Q1002LEDDRIVE+B3D1001(CUECH1)Q1001+B3S1014(CUEEFFECT)+B3S1007(CUECH2)+B3S1016(CUECH1)C0JBAS000035IC1037CUE SW15(11)14(10)16(9)2(6)3(7)1(8)LOGICCONTROLC0JBBF000053IC1038LEDDRIVE+B3D1004(CUECH4)Q1004LEDDRIVE+B3D1003(CUECH3)Q1003+B3S1009(CUECH4)+B3S1008(CUECH3)CUEMIX AMPNJM4580MTE1IC1041CH

24、ANGEPHASENJM4580MTE1IC1045BUFFERAMPM5207L05IC2001BUFFERAMPM5207L05IC2002BUFFERAMPBUFFERAMPUPC4570CIC103UPC4570CIC104MIX AMPNJM4580DDIC501BUFFERAMPM5207L05IC2003BUFFERAMPM5207L05IC2004BUFFERAMPBUFFERAMPMIX AMPUPC4570CIC2015UPC4570CIC2016UPC4570CIC2017C0JAAS000020IC2009EFFECT RETURNOUTPUT SW15(11)14(1

25、0)16(9)2(6)3(7)1(8)C0JAAS000020IC2005EFFECT POSTSW(CH1/2)15(11)14(10)16(9)2(6)3(7)1(8)C0JAAS000020IC2006EFFECT POSTSW(CH3/4)15(11)14(10)16(9)2(6)3(7)1(8)MIXAMPUPC4570CIC2036C0JAAS000020IC2008EFFECT PRESW(CH3/4)15(11)14(10)16(9)2(6)3(7)1(8)S902(CH1FADER)58S903(CH2FADER)59S904(CH3FADER)60S905(CH4FADER

26、)61S906(CROSSFADER)63S907(FADERSTART CH4)68S908(FADER STARTCH1)6970S901(C.FADER CURVE)72+B471+B3S1011-1(EFFECTCH1)+B3S1010-1(EFFECTCH2)+B3S1011-2(EFFECTCH1)+B3S1010-2(EFFECTCH2)+B3S1012-2(EFFECTCH3)+B3S1013-2(EFFECTCH4)+B3S1012-1(EFFECTCH3)+B3S1013-1(EFFECTCH4)+B4RESET+B4C0EBG0000121IC300912RESETSH-

27、MZ1200(PP,EG,EB,EP,GN) BLOCK DIAGRAMBUFFERAMPUPC4570CIC2019L2008LchRch/MONOR chMUTINGQ2010(Q2011)VR1037(EFFECTSENDMIXAMPUPC4570CIC2011MIXAMPUPC4570CIC2012C0JAAS000020IC2010SEPARATE SW14(11)15(10)16(9)2(6)3(7)1(8)3VI581017Vcc+B2GND19D505(OUTPUTLEVELMONITOR)BA682AIC2030LED DRIVE(OUTPUT LEVEL)+B23VI581

28、017Vcc+B2GND19D504,(506)(OUTPUTLEVELLEFT/RIGHT)BA682AIC2031(2032)LED DRIVE(OUTPUT LEVEL)+B2SEPARATEMIXUPC4570CIC2021SEPARATEMIXUPC4570CIC2033L2004R chLchRchREC OUTMUTINGQ2018(Q2019)VR2003(MASTERLEVEL)VR2009(MASTERBALANCE)BUFFERAMPMUTINGQ2030(Q2031)UPC4570CIC2027L2003R chLchRchMASTER OUT1MUTINGQ2006(

29、Q2008)VR2003(MASTERLEVEL)VR2009(MASTERBALANCE)BUFFERAMPMUTINGQ2028(Q2029)UPC4570CIC2028L2005R chLchRchMASTER OUT2MUTINGQ2007(Q2009)APOWERAMPM5218ALIC2014(2013)132MASTEROUT1L2006(L2007)MUTINGQ2012,2013(Q2014,2015)VR2001(MONITORLEVEL)MONITORAMPUPC4570CIC2025L2002R chLchRchMONITOR OUTMUTINGQ2004(Q2005)

30、MUTINGQ2020(Q2021)HEADPHONESAMPUPC4570CIC2029L2013R chMUTINGQ2016(Q2017)PHONESMASTERMIXUPC4570CIC2020SWITCH-INGQ2022(Q2025)SWITCH-INGQ2024(Q2026)(1/2)UPC4570CIC2022(2024)(1/2)UPC4570CIC2022(2024)VR2007(MONITORMIXING)NJM4580MTE1IC2101SWITCH-INGQ2023SWITCH-INGQ2027+B3+B3S2001(MONITOR MODE)S2004(MASTER

31、SEPARATE)PT601POWERTRANSFORMERAC INL601S601(POWER)F602REGULATORREGULATORREGULATORD614617D601,602,607,608+B1-B1+B2C0CAALE00002IC604C0CABLE00001IC605C0CAAKD00001IC601F601POWERSUPPLYQ604,606SWITCH-INGQ605MUTINGCONT.Q602,603,607D618D2011D613D619REGULATORD603,604,609,610+B3NJM78M05FAIC902REGULATORD605,60

32、6,611,612+B4NJM78M05FAIC603REGULATOR-B2C0DAZDC00001IC2034S2001(MONITOR MODE)OFFONMONITORMIXMONITORMIXMONITORAMPEFFECT SEND(FRONT)(REAR)D701(POWER)D620SH-MZ1200(PP,EG,EP,EP,GN) BLOCK DIAGRAMNOTES:AUDIO SIGNAL(ANALOG) LINE:AUDIO SIGNAL(DIGITAL) LINE() indicates pin No. Right channel.12345678910111213A

33、BCDEFGHINPUT P.C.B.A123CN7024JJJ1357911131517192123252724681012141618CN3004A20222426135791113151719212324681012141618CN3003A2022JJJJJJJJJJJJJJJJJJ12345678IC3023C3097C3098C3033C3024JK3004JK3005JK3006JK3007L3009L3010L3002L3001L3004L3003JJJJJJJJJJJJJJJ1458IC30251458IC1021458IC30201458IC30211458IC300214

34、58IC30221458IC30011458IC30041458IC3003JK3001C3025C3026C3034C3035JC3041C3042JJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJJ1458IC3024JJC3027C3028JK3008L3005L3006L3008L3007JK300212345687CN3008JJJJJJJC3204C3107C3108C3094C3089C3076C3083C3043C3044C3036C3037C3029C3045C3046C3030C3084C3077JC3095C3161C3109C3110JJJJJJJJ

35、JJJJJJJJJJJJJJJJX3002JJJJJJ12345689 10 11 12 13 14 15CN30067JJJJJJJJJJJJJJJJC3051C3052C3096C3085JK3003C3039C3040C3047C3048C3078C3090C3112C3111JJ151311CN3002A9753114121086421 2 3 4 5 6CN301712345CN2006JJJ97531CN3001A8642C3176C3179C3177C3175C3174C3173C3172C3164C3171R3232R3239R3237R3235R3233R3231R3230R

36、3229R3228R3221R3227C3178C3170C3187C3186C3185C3184C3183R3277R3284R3240R3241C3166C3169C3168C3167C3165R3223R3226R3225R3224R3222R3238R3236R3234R3276R3274R3220R3219R3218R3217R3216C3181C3182C3180R3272R3191R3275R3273R3271R3192R3278R3193R3283R3401R3402CBEQ3001CBEQ3002R3174R3173C3211R3268C3207C3205C3208R3267

37、C3059C3060C3213C3206C3212C3001 C3008R3270R3068R3067R3017R3018C3022C3023C3072C3079R3081R3092R3269R3027R3045R3026R3036C3197C3070C3069R3037 R3038R3029R3028R3253R3066R3280R3279C3002C3159C3010C3011C3195C3196 C3194C3080C3088R3013R3003R3001R3002R3258R3257R3063R3071R3072R3065R3064R3259R3206R3207R3260C3140C3

38、214R3094C3066C3199C3198C3141R3115R3083R3262R3261R3049R3057R3030R3031C3003C3004R3006R3004R3014C3192C3191C3190C3189C3188C3193R3149R3214R3213R3212R3211R3210R321515101520253031354045505155606570758081859095100IC3012C3163R3168R3167R3166R3204R3205C3124C3123R3144R3249R3161R3255C3128C3129R3163R3147R3154R325

39、4R3190R3156R3160D30011345IC3009C3200R3242C3201R3243C3202R3246C3203R3245R3247R3248C3217R3282R3281C3012 C3013C3215R3020R3021R3089R3116C3019C3054C3053C3061R3058R3040R3005R3039R3050R3078R3098R3107R3103R3108C3144R3051R3059R3095R3090R3117R3109R3118C3062C3067C3056C3055C3145C3142C3143R3079R3052R3084R3264R32

40、63R3110R3104R3099C3073C3091C3216R3252R3209C3074C3086R3076R3069R3073R3077R3074R3265R3266R3208R3070R3100R3091R3120R3105R3096C3058C3057R3080R3112R3111R3119R3085C3014C3015C3020C3160C3005R3008R3007R3041R3060R3042R3015R3009R3022R3023R3032R3033C3162C3038C3068C3016C3017C3021C3063C3006C3007R3043R3044R3010R30

41、24R3138R3011R3062R3054R3061R3016R3012R3053R3034 R3035C3031C30322367232367672367236723672367236723672367RLRLEERLERLERLERLERLERLE(CD/LINE)(PHONO3)CH4(LINE)(PHONO2)CH3(LINE)(PHONO1)CH2(CD/LINE)(LINE)CH1(MIC1)(MIC2)MIC112233213213(L ch)(R ch/MONO)EFFECTRETURNSH-MZ1200(PP,EG,EB,EP,GN) INPUT P.C.B.Note: T

42、his printed circuit board diagram may be modified at any time with the development of new technology.(REP3784AA-S)12345678910111213ABCDEFGH1234J3008BIC802SENSOR(B) P.C.B.B1(A)2(Ca)3(C)4(E)1234J3008AIC801CSENSOR(A) P.C.B.1(A)2(Ca)3(C)4(E)VR809(CH4)123CN3006DCHANNEL FADER(D) P.C.B.DCHANNEL FADER(B) P.

43、C.B.EVR805(CH2)123CN3006BVR807 (CH3)123CN3006CCHANNEL FADER(C) P.C.B.FSUB P.C.B.L123456789101112131415161718192021CN35001510111520IC3504151012131520242530353640374548IC35011510 12131520242530353640374548IC35031510 12131520242530353640374548IC350215101415202528IC350515101415202528IC35061458IC35091458

44、IC3508C3577C3576C3547C3534C3556C3559C3560C3548C3549C3563C3539C3562C3557C3554C3535CBEQ3502C3516C3513CBEQ3501X3500C3515C3506C3505C3502C3501C3531C3529C357811334455IC3507IC35121345IC3510W118W112W109W113W120W111W110C3528C3580C3561C3519R3550R3534R3535C3504C3503C3524C3523C3530C3540R3500R3503R3502R3505R3512

45、R3504R3510R3501W121W107W117W116W115W103W106W108W105W104C3507C3500C3509C3521C3517C3508C3579R3548R3513W75W73W72W79W76W74W71W78W77D3500D3501L3504C3518C3514R3511R3516W122W83W87W86W84W82W90W89W54W81W80W85L3503C3573C3575C3574C3572W93W88W99W102W98W97W100W95W94W101L35001234IC3511C3520C3522R3514R3549R3519R35

46、08W114W65W64W63W58W62W59W96W68W66W67W53W70W69W56W55D3502D3503C3510R3517R3506W48W50W46W47W49W51W34W52W33W37W36W42W41W32W17W39W43W35W38W40C3532C3536R3518W45W44C3545C3552C3543C3541R3527R3526R3529R3530W15W14C3537C3542C3544C3550C3538C3533R3532W19W18W24W21W22W16W20W57W25W23C3546C3551R3531R3528R3533R3520W3

47、1W26W30W29W28W27L3501C3570C3558C3565R3543R3546R3539W12W13W11C3569C3555C3571C3564C3568C3567R3542R3541R3547R3544R3536R3538W2W4W8W3W5W7W10W9C3566R3540R3537R3545W6W1SH-MZ1200(PP,EG,EB,EP,GN) CHANNEL FADER(B)/(C)/(D), SENSOR(A)/(B), SUB P.C.B.(REP3743A-ST)(REP3743A-ST)(RFKBMZ2968A)(REP3743A-ST)PHOTO INTE

48、RRUPTER P.C.B.(REP3855A-S)12345678910111213ABCDEFGHVR801(CROSS FADER)123CN3006ECROSS FADER P.C.B.GCHANNEL FADER(A) P.C.B.HVR803(CH1)123CN3006AFRONT SW P.C.B.OS908(CH1)ONOFFONOFFS907(CH4)S905(CH4 FADER)S904(CH3 FADER)S903(CH2 FADER)S902(CH1 FADER)S901(CURVE)S906(CROSS FADER)CN2001B12345689101112137JR

49、905JJR910R909R908C902C910C909C908R901C905JJJJR902C906JR903C907JR904C901JR907R906C904C903JJFADER STARTC.FADER CURVEREVERSENORMALREVERSENORMALREVERSENORMALREVERSENORMALNORMALREVERSESH-MZ1200(PP,EG,EB,EP,GN) AC IN, POWER SW, CROSS FADER, CHANNEL FADER(A), PHONES, FRONT SW P.C.B.(REP3784AC-S)(REP3743A-S

50、T)(REP3742A-ST)AC IN P.C.B.TJK601L601D620CN604AFC604FC603F6021.6A . PPT1.6AL . EG,EB,EP,GNC621123R608J605AJ606AAC INREP3786BB-S . PPREP3786CB-S . EG,EB,EP,GNPHONES P.C.B.RC2227JK2008R2245R2233C2188C2183L2013R2244R2232ECBQ2017ECBQ20161234CN2010312PHONES(REP3784AB-S)POWER SW P.C.B.US601J606BJ605BPOWER