Carver-TLM3600-cd-sm维修电路原理图.pdf

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1、 ThismanualiseitheranoriginalscanfromtechswhoworkedatCarvercorp,donatedbyforum members,orboth.ThesemanualsareNOTintendedforresale.IfyoupurchasedaCarver Manualsdisconebayoranotherauctionsite,andithasthismaterialonit,youwereripped off! P RadioFans.CN 收音机爱 好者资料库 DIGITAL TIME LENS COMPACT DISC CHANGER T

2、LM-3600 SERVICE MANUAL CONTENTS Page SPECIFICATIONS1 LASER BEAM INFORMATION1 LASER BEAM DESCRIPTIONAND HANDLINGOF MAIN PARTS2 DiSASSEMBLy3 CD PLAYER ADJUSTMENTS(MECHANISM)4 CD PLAYER ADJUSTMENTS(AMP)6 EXPLODEDVIEW(CABINETthereis then again a reverse operation,and movementto the posi- tion at whichth

3、e switchis switchedOFF. P7 F P12 ! !- P6PYS Direction of pick-up Sled motor current movement Outer groove34 mA or less Inner groove34 mA or less Rotation continues for about 30 milliseconds after the switch is switched OFF,and then the pick-up stops at home position. -5- CDPLAYERADJUSTMENTS_ a.PREPA

4、RATION FOR ADJUSTMENTS (a)Measuring instruments, tools and filter 1(1)Test disc blo.1 F30L-50146 (Poly Gram) etc. No.2 YEOS-7 (Sony) (2)Oscilloscope:S55711(10MHzordual phenomenon)or,Memoryscope:05S6521 (Storagescope) (3)Automatic distortion analyzer 725 (Shibasoku)or AC voltmeter(-SOdB,input impedan

5、ce 1MQ or more) (4)AF-oscillator (400Hz, 500mV RMS) (5)Frequency counter (5 MHz; or more) (6)Screwdrivers (non-metalic) for adjustments. (7)Band pass filter b. PARTS LOCATION o o C603 C604 TPBFA-11 TP10 G TP9TA-?:!ic201 oSVR203(PLLVCO) IC402 SVR202 SVR201 T.GAIN F.GAIN!JSVR102 _/F.OFFSET SVR101 TP1R

6、F. T.BALANCEDtf K1mTP4GND oTP6 ASY o0TPS EFM AIC401 VOTP7 PLCK lC lC5 IN BAND PASS FILTER o o OUT NOTE:1. All measurements are referred to TP 4 (GND). 2. AdjustSVR1 01, SVR102, SVR201-SVR203,SVR351andSVR352are initial setting position, as shown in the il- lustration. 3.DTL Button:OFFposition. -6- II

7、) . (/) a:l (/) :E u u Cl . Cl N. It) MIt) a:M a: (/) (/) ra CD PLAYER ADJUSTMENTS_ c. ADJUSTMENTS AdjustmentTestMeasuringInputOutputAdjustmentAdjustment Itemdiscinstrumentconnectionconnectionlocationvalue (a) PLL VCO FrequencyTP 7 (PLCK)4.55 MHz free-run . SVR203 adjustment counterTP4 (GND)( O.05MH

8、z) (b) Tracking TP 3 (TE) Waveform balanceNo.1Oscilloscope . SVR10lsymmetrical adjustment TP 4 (GND) referred to OV. Voltage during (c) Focus Oscilloscope TP 2 (FE) PLAY and offsetBand pass . SVR102voltage during adjustmentfilter TP 4 (GND) STOP=same voltage value (d) Focus gain Memory scope TPB(FA)

9、TP 2 (FE) adjustment Oscilloscope TP 4 (GND)TP 4 (GND) SVR202230m Vp-p Oscillator (e) Tracking gain Band pass TP 9 (TA)TP 3 (TE) SVR201230m Vp-p adjustment filter TP 4 (GND)TP 4 (GND) (f)MSBNo. 2 Oscilloscope adjustmentTrackSVR352 (L-ch)-79.5dB AC Digital . LINE OUT for D/A con-No. 21 voltmeter SVR3

10、51 (R-ch)(0.5dB) verter-BOdB (g) Checking the No.1Oscilloscope TP 1 (RF) . Eye11pattern. . eye patternTP 4 (GND) (a)PLLveofree-run adjustment (1)Connect a frequency counter to TP7 (PLCK). (2)Switch ON the units power. (3)Set the player to STOP mode. (4)Short TP4 (GND) and TP6 (ASY) electrically. (5)

11、Adjust SVR203 (PLL)until the VCO frequency on TP7 is 4.55 MHz (0.05MHz) (6)Disconnect TP4 and TP6. TP7 (+) FREQUENCY COUNTER TP40-o (-)L- (b) Tracking balance adjustment. (1)Connect an oscilloscope to TP3 (TE). (2)Play the test disc. (3)Push the FORWARD SEARCH button. (4)Keep thebuttonpushed and adj

12、ustSVR101(T. Balance) until the track-jump TE-waves on TP3 are symmetrical referred to OV. TP3 (TE) (c) Focus offset adjustment (1)Connect an oscilloscope via the band-pass filter to TP2 (FE). (2)Play the test disc. (3)Record the DC offset voltage read-out at this time. (4)PRSS STOP. (5)AdjustSVR102

13、so thattheoscilloscopevoltageTP2 readingisthe same as thevalue measured at step (3) above.TP4 lV .SEARCH . (+ ) 10K 0.,1.u(+ ) IN 0.022u* OUTSCOPE (-) (-) B P F -7- CDPLAYERADJUSTMENTS_ (dl Focus gain adjustment (1)Connect an oscilloscope via the band-pass filter to TP2(FE). (2)Play the test disc. (

14、3)Connect an AF-oscillator via a 270k ohm resistor to TP8 (FG). Frequency=400Hz, amplitude=500 mV RMS. (4)Adjust SVR202(F. Gain) until the average 400 Hz FE- signal amplitude on.TP2, measured through the band- pass filter, is 230m Vp-p. (e)Tracking gain adjustment (1)Connect an oscilloscope via the

15、band-pass filter to TP3 (TE). (2)Play the test disc. (3)Connect an AF-oscillator via a 1.2M ohm resistor to TP9 (TG). Frequency=400Hz, amplitude=500 rnv RMS. (4)Adjust SVR201(T. Gain) until the average 400 Hz TE- signal amplitude on TP3, measured through the band- pass filter, is 230mVp-p, (f) MSB A

16、djustment for DrA converter (1)Connect a automatic distortion analyzer to LINEOUT socket. (2)Play the trach No. 21 (-80dB) of the test disc 2. (3)Adjust SVR352 (L-CH) or SVR351 (R-CH) until the AC-voltage on LINE OUT is -79.5dB. 1000kHz SOOJ.lS o 1000kHz SOOJ.lS x (g)Checking the eye pattern The adj

17、ustments (a)-(f) complete the adjustments of the compact-disc player. Next, check the eye pattern wavetorm. 8 400Hz 500mVRMS TP8O-1.J!I.(;.+.:)-a 270Kn TP40-.() (-) B P F TP2 . . (+) 10K 0.1).1(+ ) IN -T - OUTSCOPEO.022).lT (-) (-) TP4 TP4 400Hz 500mVRMS (+ ) TP9()-1.J!I.:-O 1.2Mne (-) B P F TP3 . .

18、 . (+ ) 10K 0.1).1(+ ) v- I IN 0.022).1TOUTSCOPE (-) (-) TP4 L H -(+)AUTOMATIC LINE -0v DISTORTION OUT R-CHANALYZERSCOPE -(L.P.F.: GND (-) 30KHzON)TI t /l1 OPENINGEXPANDED b MeasuringTestOutput connection Eye pattern Jnstrumentdiscpoint Check to besurethat theeye pat- Oscilloscope1 TPl (RF)tern is a

19、t the center of the waveform TP4 (GND)and that the diamond shape is clear- ly defined. (+ ) TPIvn-o SCOPE TP4url-O (-) L- -8- I (0 I m 194010247400CARBON10K JA 1/6W R220 4010260607CARBON270JA 1/6W R221 4010252305CARBON150KJA 1/6W RZ224010268108 CARBON4.7 JA 1/6W -12- Ref. PartNo. Description No. R22

20、74010195909 CARBON4.7 JB 1/4W R2284010195909 CARBON4.7 JB 1/4W R231 4010195909CARBON4.7 J81/4W R232 4010195909 CARBON4.7 JBli4W R2334010195909 CARBON4.7 JB 1/4W R2344010195909 CARBON4.7 JB 1/4W R242 4010273003CARBON56K JA 1/6W R2434010251605 CARBON1.5K JA 1/6W R2444010247400 CARBON10K JA 1/6W R24540

21、10247400 CARBON10K JA 1/6W R2514010127009 CARBON10K JA 1/4W R2524010248001 CARBON1M JA 1/6W R2534010247707 CARBONlOOK JA 1/6W R2544010275908 CARBON68K JA 1/6W R301 4010247400CARBON10K JA 1/6W R3024010248001 CARBON1M JA 1/6W R303 4010247400CARBON10K JA 1/6W R3044010195909 CARBON4.7 JB 1/4W R305401019

22、5909 CARBON4.7 JB 1/4W R306 4010185801CARBON330KJA 1/4W R3144010247400 CARBON10K JA 1/6W R3154010247400 CARBON10K JA 1/6W R3164010247400 CARBON10K JA 1/6W R317 4010247400CARBON10K JA 1/6W R401 4010247707CARBONlOOK JA 1/6W R4024010246700CARBON100 JA 1/6W R4034010249701 CARBON12K JA 1/6W R404401012700

23、9CARBON10K JA 1/4W R4104010264605CARBON33KJA 1/6W R4ll4010247707 CARBONlOOK JA 1/6W R5134010261000 CARBON2.7K JA 1/6W R5144010261000 CARBON2.7K JA 1/6W R5154010272600 CARBON5.6K JA 1/6W R5164010272600 CARBON5.6K JA 1/6W R517 4010249701CARBON12K JA 1/6W R5184010249701 CARBON12K JA 1/6W R5194010264605

24、 CARBON33K JA 1/6W R5204010264605 CARBON33K JA l/6W R5234010269600 CARBON470JA 1/6W R524 4010269600CARBON470JA 1/6W R5254010256105 CARBON200 JA 1/6W R5264010256105 CARBON200 JA 1/6W R5274010247707 CARBONlOOK JA 1/6W R5284010247707CARBONlOOK JA 1/6W R5314010269907CARBON4.7K JA 1/6W R5324010269907 CAR

25、BON4.7K JA 1/6W R5334010270507CARBON470KJA 1/6W R5344010270507CARBON470KJA l/6W R5354010269907CARBON4.7K JA 1/6W R5364010269907 CARBON4.7K JA 1/6W R5614010272303CARBON560 JA 1/6W R564.4010260607CARBON270JA 1/6W R5654010246700CARBON100 JA 1/6W R5664010247004CARBONlKJA 1/6W R5684010264605CARBON33KJA 1

26、/6W R5694010261000CARBON2.7K JA 1/6W R5714010247707CARBONlOOK JA 1/6W R5724010247707CARBONlOOK JA l/6W R5794010270309CARBON47KJA 1/6W R5814010247004CARBON1K JA 1/6W R7014010247004CARBONlKJA l/6W R7024010248001 CARBON1M JA 1/6W R7114010247400CARBON10K JA 1/6W R7124010247400CARBON10K JA 1/6W POWER SUP

27、PLY P.C.BOARD ASSY Ref. I PartNo. Description No. n6142177716 P.C BOARDASSY, POWERSUPPLY 6140519785 LUG (REI.NO.28) CN601 6140206555SOCKET.3P, MAINP.C.BOARD (CN602) PARTSlIST_ Ref. PartNo.Description No. C6514030742602CERAMIC0.047UZ SOV POWER SWITCHP.C.BOARD ASSY Ref. PartNo. I Description No. 73614

28、2177723P.C BOARDASSY, POWERSWITCH 59016140190656PUSHSWITCH,POWER CN6036140206579SOCKET,SP, MAINP.C.BOARD (CN604) C9014030698404CERAMICo.oiuZ 50V C9024030698404CERAMIC0.01 U Z 50V LCD P.C.BOARD ASSY Ref. PartNo.Description No. 746142177747P.C BOARDASSY, LCD 6141983486LCD 6140460032LAMP(REF.NO.S3) PHO

29、NES P.C.BOARD ASSY Ref. PartNo.Description No. 756142177204ASSY, PCB, PHONES 6140202281SOCKET,PHONES VR80161421777 54VARIABLERESISTOR, PHONESLEVEL ADJ. 614o519808PLUG, GROUND IC801409039 71 0 IIC NJM4556D C8014030439304ELECT 47UM 16V C802403043 9304ELECT 47UM 16V R8014010251902 CARBON15K JA 1/6W R80

30、2 4010251902CARBON15K JA 1/6W R8034010267002CARBON3.9KJA 1/6W R8044010267002CARBON3.9KJA 1/6W R80S4010210701 CARBON56 JA 1/4W R806401021 0701CARBON56 JA 1!4W R807401012 3001CARBON10 JB 1!4W R8084010123001CARBON10 JB l/4W FRONT SWITCHP.C.BOARD ASSY Ref. PartNo.Description No. 766142177211ASSY, PCB, F

31、RONT SWITCH 53016140189049SWITCH,EJECT S3116140189049 SWITCH,DISC SELECTIONKEY 1 S3126140189049SWITCH,DISC SELECTIONKEY 2 S313614018 9049SWITCH,DISC SELECTIONKEY 3 S3146140189049 SWITCH,DISC SELECTIONKEY 4 S3156140189049SWITCH,DISC SELECTIONKEY 5 S3166140189049SWITCH,DISC SELECTIONKEY 6 5317614018-9

32、049SWITCH,DISC SELECTIONKEY 7 S3186140189049SWITCH,DISC SELECTIONKEY 8 S3196140189049SWITCH,DISC SELECTIONKEY 9 S3206 140189049SWITCH,DISC SELECTIONKEY 10 53216140189049SWITCH,RANDAM 53226140189049SWITCH,MEMORY 5323614018 9049SWITCH,INTRO SCAN S3246140189049SWITCH,REPEAT S325614 0189049SWITCH,CLEAR

33、S326614 011190-49SWITCH,DISPLAY 5327) SOCK su!o OlCRCF i!:tI-() C d III 3a o - -c-c co co IIIur -cu u-e:-c tx a: IC402 LC3517BS-15(STATIC RAM) A10MEMORY A2 CELL A1 AflAV AD JI,PUT DATA BUFFER .,.br-CO?l 4444:444 Ii:!I eo ? -.- . -18- IC601 L78M05(5V REGULATED POWER SUPPLY) IC603 L7SM10(10V REGULATED

34、 POWER SUPPLY) IC602L79M05(-5VREGULATED POWER SUPPLY) LCS01 NJM4556(DUAL OPERATIONAL AMP.) DOTX OUTPUT A INPUT -A OUTPUT B INPUT +A INPUT -8 INPUT +8 TERMINAL NAMETERMINALDESCRIPTION - , RNPT 1,1AU.NPUTIUTPUT PENABLENPT N uTPTFNA FPIIT V +VPOWER$OURE C;NDC;FlOLfD _13 i I VOLTAGES OF IesMagazine exis

35、tencedetectswitch $3.57 BonOMPART OF LOADING PART - r- ,1 I S3561 ,.-. IS355 Ir ,I ILJ o o Therelationbetweenphotosensor,disc selectionposition, magazinelock, and lock cancellationis shown below. Bottompart of the loading part The slot positionin photosensorand the positionof each disc are decidedme

36、chanically,the mechanisminitialization switch (S351)becomes0 FF,and the positionof the second slot correspondsto the disc heiyht of the magazineNo.1. The heightat the timeof playing with one magazinecorre- spondstotheheightof thediscNo.8 of the10disc magazine. ) 1-4 221- ,0 I 12 13) 17 1819110 f- _I

37、 DISCDISCDISCDISCDISCDISCDISC :Ju -l No.1No.2No.3NO.7No.8 No_9No.l0 0 0 e:( .J -I -z .Jwo :J z z- N _I- 0.0 (I) Ww (1)0 Zf- -a. -wZz -N.! :2Co 0. :I:_ (!) U I- 0 We:( :2u N - 28- OPERATION EXPLANATIONSFOR EACH MODE_ OFF S356 IUi,.,.,Ln . NDisc No9 n n : :.I o.yO? I ! No /5xploration tetm of800mi;- u

38、,(W Yv Ind5rhen thereis III.(When there- no magaZineJ ISa magazine)- - - II I Disc No revolution stop m=1= S353 I OFF:=:; AJ Magazine setting from no-magazinestatus B) At the time ofpowerON PowerON OFF S351 ,/ ON Loadingmechanismassemblydown (Disc select motorreverse) Loadingmechanismassemblyup (Dis

39、c select motorforward) ON S351 OFF Loadingmechanismassemblydown (Disc select motorreverse) OFF S351 Mechanisminitialization position - 29- 1:1)DiSl:Change during Playing (from Disc No.6 to Disc No.9) Press the Disc No.9 Loading mechanismassemblyup (Disc select motorforward) Slot passage three times?

40、 No 6 OPERATIONEXPLANATIONSFOR EACHMODE_ CZ) Disc Change during Playing (from Disc No.9 to Disc No.4) Press the Disc No.4 Disc No.4 Key On?No No Loading mechanismassembly down (Disc select motor reverse) Slot passage six times?No Yes Loading mechanismassembly up (Disc select motor forward) 51at pass

41、age one time?No Yes 0) Playingofdisc No.5from STOPstatus the?isc No.5 No Disc No.5 key/ A. No /IIkey I E) From STOPstatusto playing (withsinglediscmagazine) pstat) INo6tllk Loading mechanismassemblyup (Disc select motor forward) NoSlot passa eighttimV Yes - 30- Loading mechanismassemblyup (Disc sele

42、ct motor forward) NO Slot passage sixtimes? j .A,*Focus search No /Stopfinished -./ Yes TO C: TableOf Contents 1 . INo /T.o:.Rad ,finishinq. Yves 1 Access of trackNo.1 NoAccess finishing OPERATIONEXPLANATIONSFOR EACHMODE_ F) From playing to EJECT PowerON No EJECTkey No Disc revolutionstop S353 B Loa

43、dingmechanismassemblydown (Disc select motor reverse) OFF S351 rr-r-r-YoN No Slot passage Four times? G) From playing to STOP Press theSTOPkey No Disc- revolutionst OFF S353 Loadingmechanismassemblydown (Disc select motor reverse) S351 ,/ ON -31 - H)Magazine pull-out from STOP status (mechanisminitializationposition) PowerON EJECT key On?No Loading mechanismassemblyup (Disc select motor forward) S351 ON Loadingmechanismassemblyup (Disc select motor foraward) No S351 OFF Loadingmechanismassemblydown (Disc select motor reverse) OFF S351 Mechanism initialization position -./