Pioneer-XRMR7-cs-sm 电路图 维修手册.pdf

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1、ORDER NO. PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER ELECTRONIC (EUROPE) N.V. Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexa

2、ndra Road, #04-01, Singapore 159936 ? ? ? ? ? ? PIONEER CORPORATION 1999c XR-MR7 RRV2250 T ZZR DEC. 1999 Printed in Japan 1. SAFETY INFORMATION.2 2. EXPLODED VIEWS AND PARTS LIST . 4 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM.14 4. PCB CONNECTION DIAGRAM.50 5. PCB PARTS LIST.71 6. ADJUSTMENT.81 CONTENTS

3、 7. GENERAL INFORMATION.91 7.1 DIAGNOSIS.91 7.1.1 DISASSEMBLY.91 7.1.2 SEQUNCE AFTER THE POWER ON . 96 7.2 PARTS.100 7.2.1 IC.100 7.2.2 DISPLAY.103 8. PANEL FACILITIES AND SPECIFICATIONS.104 STEREO CD / CD-R RECEIVER Component ModelService manualRemarks STEREO CD/CD-R RECEIVERXR-MR7RRV2250 This manu

4、al. SPEAKER SYSTEMS-MR7RRV2248 Type Model Power RequirementRemarks XR-MR7 KU/CAAC120V MYAC220-230V THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). FOR U.S. MODELS NECESSARY INFORMATION FOR DHHS RULES MARKED ON THE REAR BASE AND ON THE TOP OF CD MECHANISM AS BELOW. DANGER LASER RADIA

5、TION WHEN OPEN. AVOID DIRECT EXPOSURE TO BEAM. This product is a system(s) component. Be sure to connect it to the prescribed system component(s), otherwise damage may result. CD1 CD2 CDR CD RW CD3 PGMSTEREO MONO TUNEDP.BASS SKIP ON A.TRACK D.VOL A.VOL DIG ANA 32 44 48 RDM ALL RPT-1 SFC RECORDING RE

6、C FINALIZE CD STANDBY/ON FINALIZE ANALOGDIGITAL TRACK NO. PHONES LINE2 INLINE2 OUTOPTICAL DIGITAL OUT WRITE(MANUAL) AUTO/MANUAL ERASE P.BASS REC LEVELREC LEVEL REC ALL1 TRACK 1st TRACK EACH DIRECT REC SELECT - ?67 +-+ 1 12 CD1 CDRCDRCDR CDCD LINE PHONO CD 1 MULTI JOGVOLUME CD 2CD 3CDR 0 0 20 30 ?1 6

7、 7 DISPLAY SPC (DEMO) FM/AMTAPE TUNING+ 4 S . T. S . T. + D O U N U P TI M E R / C L O C K A D J E N T E R M E N U / M O 3COMPACT DISC MULTI CHANGER COMPACT DISC DIGITAL RECORDER STEREO CD/CD-R RECEIVER XR-MR7 RadioFans.CN 收音机爱 好者资料库 2 XR-MR7 1. SAFETY INFORMATION This service manual is intended for

8、 qualified service technicians ; it is not meant for the casual do-it- yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual. Improperly performed repairs can adversely

9、affect the safety and reliability of the product and may void the warranty. If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so and refer the repair to a qualified service technician. WARNING This product contains lead in solder and

10、 certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm. Health 1 : System bus communication P65 SCLK P43 SDATAIN P42 SDATAOUT P41 SREQ 2 : Starts the FL communication P17 CDRDISPDATA P18 CDRDISPCLK P19 CDRDISPR

11、EQ 3 : MECAH Control decoder IC P11 DATA IN P12 DATA OUT P13 CLOCK P3 XFUSE P64 MREQ P46 MACK There is DISC ? CD-R does not operate for an abnormal part CD-R POWER ON PB Mute ON. DISPLA communication beginning with system microcomputer DISC distnction beginning. MECAH control IC starts Is XPFAIL at

12、H level ? PB MUTE release after System control IC begins with MECAH control IC two way communication, and normal communication is confirmed Displays NO DISC at the CDR function. Displays at TOTAL time at the CDR function. It is. It is not. 97 XR-MR7 Initialization sequence at outlet ON of 3CD MICROC

13、HANGER MECHA Outlet ON Each mechanism SW is checked. A current mechanism position is confirmed, and to become HOME position, the mechanism operation and each mechanism SW check are repeated. Initialization end in place where mechanism becomes HOME position. MECHA SW ESELINIT SW(74pin) ESEL SW(77pin)

14、 EOPEN SW(73pin) ECLOSE SW(72pin) ECLAMP SW(78pin) EHOME SW(79pin) Mechanism SW logic at HOME position ESELINIT SWL ESEL SWL EOPEN SWH ECLOSE SWL ECLAMP SWH EHOME SWL Shipping mode sequence at POWER OFF of 3CD MICROCHANGER MECHA POWER OFF A present mechanism position is memorized. The third piece is

15、 clamped as a position of shipping. After clamping is completed, the power supply is turned off. Mechanism SW logic at shipping position ESELINIT SWH ESEL SWL EOPEN SWH ECLOSE SWL ECLAMP SWL EHOME SWL Note: operates to return to the memorized mechanism position at the time of the POWER ON. 98 XR-MR7

16、 7.1.3 ERROR CODE (CD-R) Error Code Display for Service The XR-MR7 can display the total turn-on time of the laser diode and error codes for service. When the STOP key is held down for about 10 seconds in stop state in CD-R mode, an FL display as shown below is obtained. Right 2 FL digits : Error co

17、de for service The total turn-on time of the laser diode is displayed in the range of 0 to 5100. The error code for service is displayed as a number (ERROR NUMBER), which follows a message CHECK DISC or CHECK. For details, see the table below. Display Error code table for service Error code Number C

18、odeSymptomContents of ErrorPossible CauseCheckpoints H0 No operation even when power is supplied. Communication between mechanism controller and mode controller is not achieved. Improper soldering Pattern short IC301 (PE5109A) IC351 (PDJ014A) H1(CHECK display) Defective mechanism controller terminal

19、s Short-circuiting of parts Improper power supply IC371 (HD74HC573FP) H2 Pre-recording process does not complete, and the tray does not open. (CHECK display) Improper input voltage at the mechanism-control terminals (pins 22, 23, 24) IC201 (PA9007A) H5 Pre-recording process disabled (CHECK display)

20、Improper IC303 data writing Defect in IC303IC303 (PYY1196) L The unit stops during the tray open/close operation. (CHECK display) Improper loading Defective tray position sensor Defective loading motor Improper soldering Pattern short Improper power supply IC451 (M56788FP) E The unit stops when PLAY

21、 or REC/PAUSE starts. (CHECK display) Defective slider The pickup cannot be returned to the specified position. Disconnected flexible cable Defective drive circuit Abnormal power supply Abnormal TOC position switch Improper soldering S601 (PSG1013) IC451 (M56788FP) IC401 (CXD2585Q) P The unit does n

22、ot read the inserted disc, and stops. (CHECK DISC display) Defect in spindle Disc upside-down. Dirty or cracked disc Abnormal disc rotation No signal obtained from the disc Defective spindle motor Defective spindle drive circuit Abnormal FG signals Defective WBL circuit Defective decoder circuit Una

23、ble to read ATIP or subcode High error rate PC651 (NJL5803K-F1) IC451 (M56788FP) IC401 (CXD2585Q) 1 1 1 : SERVO MECHANISM Assy 99 XR-MR7 CodeSymptomContents of ErrorPossible CauseCheckpoints C The unit stops before it enters REC/PAUSE mode. Defects related to the recording laser power Dirty or crack

24、ed disc The optimum recording power cannot be obtained. Trouble in RF detection. Defective laser diode Trouble in RF detection Defective RFT RFB circuit Recording power is not sufficient. Improper soldering, pattern short Trouble with power supply Unable to read ATIP or subcode IC201 (PA9007A) IC101

25、 (AK8563) IC363 (TC7S04F) IC364 (TC7S14F) F The unit stops during playback or recording. Defective pickup Unable to focus because of dirt or crack on the inserted disc. Unable to output the proper laser power Defective laser diode Defective focus drive circuits Defective pickup Improper soldering Pa

26、ttern short Trouble of power supply IC451 (M56788FP) IC401 (CXD2585Q) A The unit stops in a recording-related operation, displaying CHECK DISC. Unable to focus Stop during recording The unit stops, being obstructed by a dirt or a crack on the disc. If any hardware trouble occurs before displaying A

27、or d, the unit stops displaying a code other than these codes. Therefore, these service codes are generated only for troubles with the disc. d The unit stops in a recording related operation, displaying CHECK DISC. The unit does not read the inserted disc, and stops. No.Mechanism ModeNo.Mechanism Mo

28、deNo.Mechanism Mode 0PLAY5SETUPAREC 1OPEN6TOC READBTOC REC 2STOP7COPC 38SEARCHDTOC CHECK 49REC/PAUSEEPMA, ACTUAL PAUSE REC The indication for * shows themechanism mode listed below. Resetting the error code To initialize the total turn-on time of the laser diode, hold the TIME key down for about 10

29、seconds in stop state with the INPUT selector set to analog in Test mode. The message CLEAR is displayed, and the total time is cleared. 100 XR-MR7 7.2 PARTS The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. 7.2.1 IC Pin Fu

30、nction System Control Microcomputer 7 PD5545A (AF ASSY : IC5501) .oNkraMemaNniPO / I no i t cnuFniPev i t cA 1NI4BT/1XENA/69PATADLFOtuptuoatadLF 24KLC/0XENA/59PKLCLFOtuptuokco l cLFem i t e s i R 3NI4BT/1AD/49PTALLFOtuptuoh c t a l LFH 4NI3BT/0AD/39POERETSXTI)Lev i t cA(tup n i OERETSRENUTL 53TUOS/N

31、I2BT/29PDENUTXTI)Lev i t cA(tup n i DENUTRENUTL 63NIS/NI1BT/19POSQSDCItup n i t i b-08QBUS 73KLC/NI0BT/09PKCQSDCOtuodaerOSQSroftuptuokc o l Cem i t e s i R 8ETYBSSVDNGot t c ennoC 9SSVNCSSVDNGot t c ennoC 01NICX/78PKLCSDCOatadl a i resSNESehttuogn i daerroftuptuokc o l Cem i t e s i R 11TUOCX/68PNOD

32、LDCO / I )pU-n i aG:H, l amroN-n i aG:L,FFO:z - i H( l o r t nocpmaFR 21TESERTESERXtup n i teseRL 31TUOXTUOX)zHM61(rota l l i cso c i marecot t c ennoC 41SSVSSVDNGot t c ennoC 51NIXNIX)zHM61(rota l l i cso c i marecot t c ennoC 61CCVCCVV5+ot t c ennoC 71IMN/58PCCVV5+ot t c ennoC 812TN I / 48PKLCCAI

33、) . egdegn i l l af t s a l ehtmo r f sm05tuobarof f f otuc s i rewoP(no i t cetederu l i afrewoPem i t l l aF 911TN I / 38PNOCOMERItupn i l o r t nocetomeRL 020TN I / 28PROCSI) Hev i t cA(tup n i . c nysedocbuSH 12U/NI4AT/18PKLCDDCOtuptuokco l cre f s na r t atadl a i reSem i t e s i R 22U/TUO4AT/0

34、8PTALXDCO) .egdegn i l l afehttaatadl a i resehth c t aL(tuptuoh c t aL 32NI3AT/77PATADDCOtuptuoatadl a i reS 42TUO3AT/67PREZZUBOtuptuorezzuB 52W/NI2AT/57PETUMDCOETUMENILDCH 62W/TUO2AT/47PECDELOECDEL 72V/NI1AT/2STR/2STC/37PDELREMITOtuptuoDELremiTL 82V/TUO1AT/2KLC/27PREWOPSYSOrewopme t s ySH 92I5BT/N

35、I0AT/LCS/2DXR/17PSNESDCItup n i SNES 03TUO0AT/ADS/2DXT/07PTESERDCO) Lev i t cA(7852DXCfotuptuoteseRL 131DXT/76P1DXTO retupmocor c i mhsa l fehtfosn i pgn i t i rW 231DXR/66P1DXDRI 331KLC/56P1KLCI 43KLC/0STC/1STR/1STC/46P1STRO 530DXT/36P1ATADSYSOC.N 63ATADPSIDRDC1ATADRDCItup n i ATAD . r etupmocor c

36、i medomRDCehth t i w t r opno i tac i nummocya l p s i D 73KLCPSIDRDC1KCSRDCItup n i KLC . r etupmocor c i medomRDCehth t i w t r opno i tac i nummocya l p s i D 83QERPSIDRDCQERRDCItup n i QER . r etupmocor c i medomRDCehth t i w t r opno i tac i nummocya l p s i D 931LOVD/75P1LOVDILOVCER l a t i g

37、i drof1tupnI 042LOVD/65P2LOVDILOVCER l a t i g i drof2tupnI 14DLOH/55PTSET)NIEDOM:H(tup n i edom t s eT 241LOVA/45P1LOVAILOVCERgo l anarof1tupnI 342LOVA/35P2LOVAILOVCERgo l anarof2tupnIem i t l l aF 44TESERXMOCUEDOMTESERMOretupmocor c i medomRDCehtfo l o r t nocteseR 54ETUMONOHPXETUMHPOl o r t nocET

38、UMENOHPL 64RW/LRW/05PccVHSALFehtgn i t i rwroF 743SC/74P1EKUMIHSI1tup n i no i tan i t seDem i t l l aF 842SC/64P2EKUMIHSI2tup n i no i tan i t seD 941SC/54PTS4619O4619CTrofEC 050SC/44PECCADOCIkn i lotag e l rofECH 101 XR-MR7 .oNkraMemaNniPO / I no i t cnuFniPev i t cA 1591A/34PECLOVOECLOV 2581A/24P

39、ATADLOVO)esunommoc(tuptuoATADTUORDCDELLOV 3571A/14PKLCLOVO)esunommoc(tuptuoKLCTUORDCDELLOVem i t l l aF 4561A/04PKLCSUBOtuptuoKLCsubme t s ySem i t e s i R 5551A/73PNIDSUBItup n i ATADsubme t s yS 6541A/63PTUODSUBOtuptuoATADsubme t s yS 7531A/53PE/RSUBO / I ELBANE/TSEUQERsubme t s ySL 8521A/43P2LES-

40、GIDOC.N 9511A/33PETUMENILOTUOCEREPAT,TUO2ENILrofetuM 0601A/23PBEPSOrezy l anamur t cepsehtfoBno i t ce l estupnI 169A/13PAEPSOrezy l anamur t cepsehtfoAno i t ce l estupnI 26ccVccVV5+ot t c ennoC 36)7D/ - / ( /8A/03PCEPSOrezy l anamur t cepsehtfoCno i t ce l estupnI 46ssVssVDNGot t c ennoC 56)6D/7D/

41、 ( /7A/72P2ETUMDCOETUMREVIRDDCH 66)5D/6D/ ( /6A/62PFFO/NONIDOtupn i l at i g i d2ENILfo l o r t nocrewoPL 76)4D/5D/ ( /5A/52PETUMSDROtuptuo l o r t nocCISDR 86)3D/4D/ ( /4A/42PTNOCDCO)FFOno i ta l l i csO:H( l o r t nocno i ta l l i csoISLDC 96)2D/3D/ ( /3A/32PTUODAOLOTUOgn i da o l ya r t DCH 07)1D

42、/2D/ ( /2A/22PNIDAOLONIgn i da o l ya r t DCH 17)0D/1D/ ( /1A/12PEDISNIItup n i WSEDISNIDC 27) - /0D/ ( /0A/02PESOLCItup n i WSESOLCDC 375TN I / 51D/71PNEPOItup n i WSNEPODC 474TN I / 41D/61PTINILESItup n i WSLAITINITCELES 573TN I / 31D/51PKLCSDRItup n i KLCCISDR 6721D/41PATADSDRItup n i ATADCISDR 7

43、711D/31PTCELESItup n i WSTCELES 8701D/21PPMALCItup n i WSPMALC 979D/11PEMOHItup n i WSEMOH 088D/01P+TCELESO+EVIRDTCELESH 187D/70P-TCELESO-EVIRDTCELESH 286D/60PYALERPSOtuptuoya l errekaepSH 385D/50PETUMSYSOtuptuoetumme t s ySH 484D/40PECXTOtuptuoECLLP 583D/30PATADOXTOtuptuoATADLLP 682D/20PKLCXTOtuptu

44、oKLCLLPem i t e s i R 781D/10PATADIXTItup n i ATADLLP 880D/00PETUMXTO)NO:H(tuptuoETUMRENUTH 983IK/7NA/701PTCETORPI) tup n i D/A(TCETORP 092IK/6NA/601P1YEKI) tup n i D/A(tup n i 1yeK 191IK/5NA/501P2YEKI) tup n i D/A(tup n i 2yeK 290IK/4NA/401P3YEKI) tup n i D/A(tup n i 3yeK 393NA/301P4YEKI) tup n i D

45、/A(tup n i 4yeK 492NA/201PN I - EPSI) tup n i D/A(tup n i rezy l anamur t cepS 591NA/101PGOJLOVI) tup n i D/A(tup n i GOJLOV 69SSVASSVDNGot t c ennoC 790NA/001PGOJITLUMI) tup n i D/A(tup n i GOJITLUM 89FERVCCVV5+ot t c ennoC 99CCVACCVV5+ot t c ennoC 0014NIS/GRTDA/79PKBLFOtuptuogn i kna l bLFH 102 XR

46、-MR7 7 PE5113B (AF ASSY : IC7501) Pin Function MODE Control Microcomputer .oNkraMO / I no i t cnuFniP.oNkraMO / I no i t cnuFniP 151NA/51PO l a t i g i deht t c e l estaL( , ) H(FFO / ) L(NOLLP ) r e t r evnocSFtuoh t i w 14RW/56POt seuqersubme t s yS 261NA/61PODNGot t c ennoC24TIAW/66POtuptuoatadsu

47、bme t s yS 371NA/71PO h t i wno i tac i nummocl a i resehtesugn i ruD L58598CL 34BTSA/76PItup n i atadsubme t s yS 4ssVAre t r evnocD/AfodnuorG440OT/03PIkco l nU:Hno i t cetedkco l nu l a t i g iD 50ONA/031PIRCM:H,RTN:Lhc t iwsno i tan i t seD541OT/13PO)e l banE:L(58598CLrof l ang i sEC 61ONA/131POdesutoN642OT/23PO ms i nahcemrofesnopserno i tac i nummoC t i mrepno i tac i nummoc:LHre l l o r t noc dneno i tac i nummoc:HL 71ferVAre t r evnocD/Afotup n i egat l ovecnerefeR741IT/33POdesutoN 8DxR/2IS/07POdesutoN842IT/43POdesutoN 9DxT/2OS/17POdesutoN94LCP/53PILs i t ra t s teserneh