HHB-CDR850-cdr-sm 电路图维修手册.pdf
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1、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 RADIATION WHEN OPEN. AVOID DIRECT EXPOSURE TO BEAM. THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S). Type Model Power RequirementRemarks CDR-850 KU/CAAC1
2、20V MYAC220-230V RadioFans.CN 收音机爱 好者资料库 2 CDR-850 1. SAFETY INFORMATION This service manual is intended for 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 safe
3、ly repair complex products such as those covered by this manual. Improperly performed repairs can adversely 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
4、 so and refer the repair to a qualified service technician. WARNING This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to cause cancer, birth defects or other reproductive harm. Health z H064tade l pmas s i SFG , s e l pmase
5、v i tucesnocthg i eL s i SFG f I . H s t uptuo . 1=NIKLnehwtupnI . L s t uptuon i ps i ht 46TUODOtuptuotuo l a t i g iD 52PDMOrotome l dn i psfotuptuo l o r t nocovreS56KCRLOsF=ftuptuokco l cRLeca f r et n i A/D 62PTSSIt somren n i cs i dfotupn i l ang i sno i t ceteD66DMCPO BSM,PMOCs 2(tuptuoatadl
6、a i reSeca f r et n i A/D ) t sr i f 72OTSFOn i pLATXfoy l p i t l umedycneuqe r f 3/2 s t uptuO76KCBOtuptuokco l c t i Beca f r et n i A/D 82VDDD1y l ppusrewop l a t i g iD86HPMEO , s i sahpmesahcs i dkcabya l pehtnehwH s t uptuO . s i sahpmeon s i erehtnehwLdna 92RDFSO tuptuoev i rdd e l S 96LSTXI
7、 tup n i no i t ce l es l a t X H : z HM8868.33,L : z HM4439.61 03RDRSO07VDSS2DNG l a t i g iD 13RDFTO tuptuoev i rdgn i kcarT 17IATXI tup n i t i ucr i cno i ta l l i cso l a t s yrC .n i ps i hta i vkco l cre t s am l a nre t x eehttupnI 23RDRTO27OATXOtuptuot i ucr i cno i ta l l i cso l a t s yrC
8、 33RDFFO tuptuoev i rdsucoF 37TUOSOkco l bovreseht n i tuptuoatadl a i reS 43RDRFO47KCOSOkco l bovreseht n i tuptuokco l ctuodaeratadl a i reS 53VDSS1DNG l a t i g iD57TLOXOkco l bovreseht n i tuptuoh c t a l atadl a i reS 63TSETI DNGy l l amron:n i pTSET 67OSQSO tuptuoatad l e v e l dnakaepMCP, t i
9、 b-08QbuS tuptuoatadTXETDC 731SETI77KCQSItuodaerOSQSroftup n i kc o l C 83CVItup n i egat l ovretneC87YSCSIROCSRGfosuonorhcnyserroftupnI 93EFItupn i l ang i sro r r esucoF97OSBSOWotPbuSfotuptuol a i reS 04ESItupn i l ang i sro r r ed e l S08KCXEItuodaerOSBSroftup n i kc o l C Notes) PCMD is an MSB f
10、irst. twos complement output. GTOP is used to monitor the frame sync protection status. (High:sync protection window released) XUGF is the negative pulse for the frame sync derived from the EFM signal. It is the signal before sync protection. XPCK is the inverse of the EFM PLL clock. The PLL is desi
11、gned so that the falling edge of XPCK and the EFM signal transition point coincide. GFS goes high when the frame sync and the insertion protection timing match. RFCK is derived with the crystal accuracy. This signal has a cycle of 136s. C2PO represents the data error status. XROF is generated when t
12、he 32K RAM exceeds the 28 Frame jitter margin. 69 CDR-850 TK11041M-1 (SERVO DIGITAL ASSY : IC355) Thermo Sensor IC Block Diagram 1 Temperature Sensor VO 3 VCC 1 GND 5 S-806E (FUNCTION ASSY : IC702) Voltage Detector IC Block Diagram 1 VDD VSS OUT 2 3 70 CDR-850 PE8001A (AUDIO ASSY : IC401) D/A Conver
13、ter IC Block Diagram Serial Input I/F 8X Oversampling Digital Filter with Function Controller Multi-level Delta-Sigma Modulator BPZ-Cont Crystal OSCPower Supply Low-pass Filter DAC Low-pass Filter Open drain DAC Mode Control I/FSCK 1 LRCK 2 DATA 23 CS/IWO 24 MODE 25 MUTE 22 RST 6 XTO 8 VDD 14 AGND1
14、15 VCC1 7 DGND 5 XTI 4 CLKO 26 MD/DM0 27 MC/DM1 28 ML/IIS 3 BCK 16VOUTL 18EXTL 13VOUTR 11EXTR 21ZERO 20 VCC2L 19 AGND2L 9 VOUT2R 10 AGND2R Pin Function .oNemaNniPO / I no i t cnuF.oNemaNniPO / I no i t cnuF 1KCRLI)s f (tup n i kco l cKCRL1511CCVV5+y l ppusrewopgo l anA 2ATADItup n i ataD161LTUOVOtup
15、tuoegat l ovgo l anahcL 3KCBIatadroftup n i kco l c t i B171CNno i t cennocnoN 4OKLCOkco l cme t s ysfotuptuore f f uB81LTXEOnommoc.pmatuptuogo l anahcL 5ITXI l a nre t x erono i t cennocno i ta l l i cso l a t s yrC tup n i kco l c 91L2DNGADNGgo l anA 6OTXOno i t cennocno i ta l l i cso l a t s yrC
16、02L2CCVV5+y l ppusrewopgo l anA 7DNGDDNG l a t i g iD12OREZOga l fatadoreZ 8DDVV5+y l ppusrewop l a t i g iD22TSRIteseR2 9R2CCVV5+y l ppusrewopgo l anA32OW I / SCIt ce l estamroftupnI/ t c e l esp i hC3 01R2DNGADNGgo l anA42EDOMI t c e l es l o r t nocedoM2 )erawdraH:L,eraw t f oS:H( 11RTXEOnommoc.p
17、matuptuogo l anahcR52ETUMIl o r t nocetuM2 21CNno i t cennocnoN620MD/DMI1 t c e l ess i sahpmeed/atad l o r t nocedoM2 31RTUOVOtuptuoegat l ovgo l anahcR721MD/CMI2 t c e l ess i sahpmeed/KCB l o r t nocedoM2 411DNGADNGgo l anA82SI I /LMIt ce l estamroftupnI/h c t a l l o r t nocedoM2 :etoN tup n i r
18、egg i r tt t imhcS:1 rot s i serpu- l l uph t i wtup n i regg i r tt t imhcS:2 rot s i sernwod- l l uph t i wtup n i regg i r tt t imhcS:3 71 CDR-850 PE5056A (FUNCTION ASSY : IC701) Mode Control Microcomputer Pin Function .oN t r oPemaNniPO / I tnIno i t cnuF.oN t r oPemaNniPO / I tnIno i t cnuF 16P
19、IF6DILGOL5tuptuod i rgLF1423PKCAMOH rofesnopserno i tac i nummoC :Hmo r f L(re l l o r t nocms i nahcem :Lmo r f H()no i s s i mrepno i tac i nummoC )dneno i tac i nummoC 25PIF5DILGOL6tuptuod i rgLF2413PQERLOH)ELBANE:L(58598CLrof l a ng i sEC 34PIF4DILGOL7tuptuod i rgLF3403PKCOLNUIno i t cetedkco l
20、nu l a t i g iD 43PIF3DILGOL8tuptuod i rgLF443PTNITNI_TORI redocneyratorfono i t cetedno i tarepO ) t pu r r etn I ( hc t iws 52PIF2DILGOL9tuptuod i rgLF542PTNILIAFPXI REWOP:L(no i t cetedNWODREWOP )NWOD 61PIF1DILGOL01tuptuod i rgLF641PTNIQERMI no i tac i nummocre l l o r t nocms i nahceM ) t pu r r
21、 etn I ( t s euqer 70PIF0DILGOL11tuptuod i rgLF740PTNINIMERI) tpu r r etn I ( tupn i l o r t nocetomeR 8DDVODDVotde t c ennoC84CIPPVIDNGotde t c ennoC 90KCSKCSROH ec i vedtnemtae r t rofkco l cl a i reS no i tac i nummoc 9427P3LESII :H(3tup n i hc t iwsRETCELESTUPN )LAIXAOCde t c e l es 010OSOSROL e
22、c i vedtnemtae r t roftuptuol a i reS no i tac i nummoc 0517P2LESII :H(2tup n i hc t iwsRETCELESTUPN )LACITPOde t c e l es 110ISISRI ec i vedtnemtae r t roftupn i l a i reS no i tac i nummoc 1507P1LESII :H(1tup n i hc t iwsRETCELESTUPN )UBE/SEAde t c e l es 2142PLATXOL nehw l a t i g i dde t c e l e
23、s(FFO/NOLATX )H:re t r evnocSFon s i ereht 25DDVDDVDDVotde t c ennoC 3132POCVEXOL)H:DC(FFO/NOOCVredocnE35721P4NACSOL4tuptuox i r tamyeK 411KCSKCSFO / I Hkco l cl a i resISL , r e l l o r t nocms i nahceM45621P3NACSOL3tuptuox i r tamyeK 511OSOSFOLtuptuol a i resISL , r e l l o r t nocms i nahceM55521
24、P2NACSOL2tuptuox i r tamyeK 611ISISFItupn i l a i resISL , r e l l o r t nocms i nahceM65421P1NACSOL1tuptuox i r tamyeK 71TESERTESERXI)TESER:L(tup n i TESER-moc75321P0NACSOL0tuptuox i r tamyeK 8147PATADLOL DELroftuptuoatadno i tac i nummoC rev i rd 85221P3NIYEKI3tup n i x i r tamyeK 9137PKCOLCLOL DE
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