Sony-CDP491-cd-sm 电路图 维修手册.pdf

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1、SERUIGE MANIJAL US Model cDP-|95/491 Canadian Model AEP Model E Model cDP-|995 UK Model cDP-491 Australian Model cDP-295 Photo: CDP-295 Model Name Using Similar MechanismcDP-291/391 CD Mechanism TypeCDM14-58D1 Optical Pick-Up Block TypeBU-58D1 SPECIFICATIONS Co|trpt dl PlY.r FreqfE1 respons Snal to

2、fttse rato Dynamb range Harmnic disiortion Channel Paraton Output! LINE OUT (ptErc iacks) PHONES (ster phone iack) 2Hz-20kHz I o5dB More lhan t0O dB Mo,e than 97 dB Less than 0 005/o More than 95 dB Output level 2 V (at 50 kilohms) Load rmpedance over lO kilohms Outpullevelmax t0mW Load rmpedance 32

3、 ohms Supplled accesaorie! Audio cord 1 (2 phom plugs - 2 phorc plugs) Remotecommander CDP-295/491 t F6(srze AA) batteries (CDP-295/491) 2 AC plug adaplor (lor some areas) Rmote commnder Rt-O295 (cDP295/a91) Remote control Inlrared conttol system Porer requirements 3 V DC with two RO (size M) banere

4、s Dimensions Aqqtox 4Oxzox175 mm (w/h/d) (il.X/rx7 inches) WeighT APPtrox. 95 I (4 oz) Including baneries Design and specitications sublect to change lvithout nolice cL88 1 LlaER PROOI CT LT.,OI(AN I LTSERLTE KLASS I LAEERAPMNAT This Compact Disc player is classified as a CLASS 1 LASER product. The

5、CLASS 1 LASER PRODUCT label is located on the rear exterior. C0iIPACT DISC PTAYER Gcnal cDP-195295/191 Piler requfetnnts Model for Continental Europe 220 - 23O V AC, 50/60 Hz Mo(bl fo( Canada r20 v AC. 60 Hz Model lor Auslralia 240 v AC. 50 Hz Model tor other countries 11O,1,22O or 24o v AC, adiusla

6、ble 50/60 Hz Post ms.r|olim r2w Critrims (apptor , ircluding prolectl)ns) 43OX10OX28Omm lw/h/dl (17x4r11/. ilPs) Wehi (epp.ox )35kg(7lbsl2oz) SONY. RadioFans.CN 收音机爱 好者资料库 cDP-l9512951491 SAFETY-RELATED COMPONENT WARNING! coMpoNENTs TDENTTFTED By MARK A on oorrED LINE WITH MARK A ON THE SCHET/IATIC

7、DIAGRAMS AND IN TIE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY. PROTECTION OF EYES FROM I.ASER BEAM This set cmploys a laser. Therefore, be surc to follow carefully the inst

8、ructions below when servicing. CAUTION Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure. NOTES ON HAITDUNG THE OPnCAT PICK.UP BLOCK OR BASE UNIT The laser diode in the optical pick-up block may suffer elecrostati

9、c brcakdown because of the pontial difference generated by the charged elecrostatic load, etc. on cloring and the human body. During repair, pay afiention to electrostatic breakdown and also use the procedure in the printed matter which is included in the repair parts. The flexible board is easily d

10、amaged and should be handled with care. ATTENTION AU COMPOSANT AYANT RAPPORT m scunrrr LES COMPOSANTS IDENTIFTS PAR UNE MAROUE A SUR LES DIAGRAMMES SCHEMATIOUES ET LA LISTE DES PICES SONT CRITIOUES POUR LA SCURIT DE FONC. TIONNEMENT. NE REMPLACER CES COMPOSANTS OUE PAR DES PICES SONY DONT LES NUMROS

11、 SONT DONNS DANS CE MANUEL OU DANS LES SUPPLEMENTS PUBLIES PAR SONY. DURING SERVICING Laser Diode hoperties o Materiai: GaAlAs . Wavelenglh: 780nm o Emission Duration: continuous . Laser Outpuc max.44.6pW* * This output is the value measured at a distance of about 200mm from the objective lens surfa

12、ce on the Optical Pick-up Block. During service, do not take the Optical Pick-up Block apart, and do not adjust the APC circuit. If ere is a breakdown in the APC circuit (including laser diode), replace the entire Optical Pick- up Block (including APC borad). TABLE OF CONTENTS PageSectionTitle Page

13、5. EXPLODED VIEWS l . 2. SectionTitle 1. GENERAL Location of Controls. 2. ELECTRICAL BLOCK CHECKING 3. DISASSEMBLY OF BASE UNtt. 4. DIAGRAMS. 4 4 I I 24 4-1 . Pin Function of 1C101 and 1C401 -2- 6. ELECTRICAL PARTSLtsT . 28 RadioFans.CN 收音机爱 好者资料库 MODEL IDENNFICATION - SPgFICATION T3BEL - cDP-195/29

14、51491 cDP-195 cDP-29s cDP-491 cDP-195 cDP-295 cDP-491 US, Canadian MODEL AEP MODEL: Australian MODEk E. Saudi Arabian MODEU AC120, Hz 1A|t AC220-230V, 50/60H2 AC?IOV, 50/60H2 AC110-120, 220-24OV, 50/Hz 12W AEP MODEL UK MODEU AC22U23OV, 50/60H2 AC24ov, 50/Hz SAFEW CHECK-oUT After correcting the origi

15、nal service problem perform the following safety check before releasing the set to lhe customer: Check te antenna terminals, metal rim, metallized knobs screws -d utt ott. exposed metal pans for AC leakage Check leakage described below. TEAKAGE TEST The AC leakage from any exposed metal part to eart

16、h Sround and from atl exposed metal parts to any exposed metal part having a rerum to chassis, must not exceed 05mA (500 microampers) I-eakage culrett can be measured by any one of three methods l. A commercial leakage tester, such as the Simpson 229 or RCA WT-54OA. Follow the manufacturersinstructi

17、ons to us these instruments. 2. A baneryoperated AC milliammeter The Dau Precision 245 digitat multimeter is suitable for this job 3. Measuring the voltage drop across a resistor by. means of a VOM or banery-operated AC volsneter The timit indica- tion is 075V, so analog meters must have an accurate

18、 low- voltage scale. The Simpson 250 arrd Sanwa SH-63Trd are .*util., oi a passive VOM that is suitable Nearly all ba$ery op*iO digital multimeters that have a 2V AC range are suitable. (See Fig.A) To Exposed Metal Parts on Set 0.15pF Fig. A. Using an AC voltmeter to check AC leakage S E R I A L N O

19、 . MA DE IN JAPAN SER I AL N O M AO E I N F R AN C E -3- RadioFans.CN 收音机爱 好者资料库 cDP-195/2951491 LOCATpN OF CONIRO| S sEgnoN 1 GENERAL This section is extracted from in$ruction manual. cDP-295 TTI POWER switch fll Disc tray LlU Remote sensor L4 | Display window 5 pRocRAM butron 6-l StruFpLE uutton l

20、-7.j corurtruuE button -61 TIME bunon -51 CggCx (program check) button 110 | Numeric buttons El CUan (program ctear) button LlA t2 (over 12) button l13l MUSTC SCAN button eenx sEARCH button E erorue LEVEL control l16l FADER button l-fl pHoNES jack ll8 l REpEnr butron (opentctose)button r AMS is the

21、abbreviation of Automatic Music Sensor. * * FIMS is the abbreviation of Random fVfrsic Sei.r. .- -4- cDP-195/2951491 Note : Follow the disassembly procedure in the nomerical order given. O Turn the cam to the direction of arrow (Counter clock wise) by minus screw driver. Take off the disc table. O R

22、emove the yoke bracket. O Remove the MD (BU-SBDI) to the direction of arrow. yoke bracket BU-58D1 o disc table GDP-9s 12951491 4-1- PrN FUNCON OF tC101 AND te!01 sEcoN 4 DIAGRAMS . tct01137PIN FUNCTION Pin No.Pin Name1lODescription Ivc GND when two (+1 dual power supplies ane in use, or the ceter vo

23、rta6e (2.5v) when a single power supply is in use, t FGDITime constants for gain switching in normal mode/down mocle and conncted between the FGD and FSJ pins. for focus gain are 3FS3I 4 D FLB FEO I o The capacitor for low frequency boost in the focus servo loop is connected, Focus drive output. 6 7

24、 FE_ SRCH I I Inverted input to focus amplifier. Time constmts to tenerate the focua search waveform are connected. 8TGU Time constants for gain switching in normar more/up -od. on,r fo, ilJtgllIll connected between TGU pin and TG2 pin. ITG2 I l0AVCC ev6 pvwr u,pry rov wnen = .uar power supplies are

25、 in use, 5v when a single power supply is in use.) Tracking drive output. Inverted input to tracking amplifier. Non-inverted input to sled amplifier. Sled drive output. Non-inverted input to sled amplifier. l1 t2 13 l4 l5 TAO TA_ sL+ sLo sL- o I I o I t6 t7 l8 l9 20 ESET ISET SSTOP AVEE DIRC I I I I

26、 rne oluKJ, pnase compensator resistor is connected to this pin, The current setting resistor is connected to this pin. The limit switch ie connected to this pin. Analog power supply (-EV.when * dual power.rppli, are in use, or GND when a single power supply is in use.) Direct control pin. 21 22 23

27、24 25 LOCK CLK XLT DATA XRST I I I I I vrl, ru-awJ preventton clrcutt operates when this signal is L. Serial data transfer clock input that ie supplied from CpU (or DSp). Latch input from CpU (or DSp). Serid data input from CpU (or DSp). System reset. L to reset. - rrtnrr+.-l-:- - 26 27 28 29 30 C.O

28、UT SENS DGND MIRR DFCT o o o oSENS output. 3i,1*:1rti3l;ti when t , o S W I C 4 0 1 L O A O O U l F L D D F I V E M A S T E R C O N T R O L L O A D I N -r I - o F l o BM C S 1 - S 1 6 . 1 G - 8 G K E Y O - K E Y 5 r c 1 0 3 L O A D I N G M O T O F D F I V E I C 4 0 2 R E M OT C ON T R OL O E T E C T

29、 O R S P I N D L E M O T O R S L E D M O T O R O R V E F L O 4 0 l F L U O F E S C E N T I N O I C A T O F I T U B E s 4 0 1 - s 4 3 0 F U N C T I O N S W I T C H M 1 9 1 L O A O I N G M O T O R s 1 9 2 L O A D I N SIITCH s 1 9 1 L O A D O U T SVI ITCH M 1 0 1 M 1 0 2 D M O T O R S P I N D L M O T O

30、 F | | i i i - f ll ll ll fr | l25vP.P JLJLJLJI-JL T 7Sp*c rcaor PLAY md. - 11 cDP-l9512951491 rc306 A U O I O A M P I C 3 0 7 A U D I O A M P : I -_- fi1 -,er n-cn- trJ|lE-igll I C 5 0 1 !-IEADPHONE A M P 5 R F - C H 7 + 1 0 v - 1 0 v D 2 0 1 iE, Sudi Anabia i t,roott- T 9 0 1 / I C 3 0 5 VDD + 5V,

31、/ T O ?20-?40 I i 1 1 0 - 1 2 0 V i*;l i r -i l-1li)-i-:l-i EXCEPT US, Canadian MODEL E R T E L+ L - Fl+ F - OU X I N /-T_ / / l3.tvp_p / v vr 45MHz rcaos FST +5V CO+ rc202 V O L T A G E -,., FEGULATOF r w - 5 v E o - H + S | I T C H I C 2 0 1 _ 3 O V R E G PO v l ER TFIA NSF OBM EFI IEXCEPT ! rrriE

32、,saudi Anabrai l l i M n n t r t I qil i;- r q t t r | Jll i -l rc rr.r i I i F v I I i-t- -.! - 12- 4-3. WAVEFORMS TP (RFO): PLAY mode (rclol ) APPROX : 100mVp-p TP (TEO) PLAY mode 1C401 4MHz JUULLU, .*7.5psec 1C301 PLAY mode fl-f-L!u rc301 J-_fl_ ,u, APPROX rP (FEo) : 500mVp-p PLAY mode -1 cDP-951

33、2951491 o !,u, I A/ 45MHz rc305 SEMICONDUCTOR LOCATION |,u*, Ref. No.LOCATION No.Ref. No.L0CATI0N No D 101 D 201 D202 0203 D204 0205 D206 D?07 D208 D209 D34 I D3 51 IClO1 I C1O2 I C1O3 rc201 IC202 I C2O3 I C3O1 r c302 IC3O3 I C3O5 F-3 E-18 I-18 E. 17 E- 17 E- 17 L - T I U - I F- 16 r - ro F-15 G-13

34、H-2 b - L F-3 F- 18 G- 17 l r - l f H-i5 b - l 4 G- 13 t r _ 1 L T I C3O6 I C3O7 r c401 rc402 I C5O1 0101 QZO 1 Q202 Q20 3 Q204 Q20 5 Q 206 Q207 0208 0209 034 3 Q344 Q371 Q372 03/3 Q374 D-14 c-14 L - 4 c-1 G-10 I-3 F-18 G-17 F-T7 H- 17 H- 17 H- 17 G- 18 G- 18 F-15 t o L t B-14 c-15 8-14 Note: . + :

35、indicated a lead wire mounted on the component side. . I : parts mounted on the conductor side. . O : T h r o u g h h o l e . . ffi : Pattern from the side which enables seeing. . ,- :t- : Pattern of the rear side. Semiconductor Lead Layoutsis insened on P21. 3- rc301 cDP-l9512951491 4.4. PRINTED WI

36、RING ID ISPLAY (BD BOARD) (POWER SW 0311/7 TS # R 3 7 5 W G R379 ca?1o-lFo I M A o o o l F I - F34? * : e - 6 -6 -tl_i!t;3 .r#ts *1;-a -ff1 ffi oFtt o + . . r2q -:r o. iT ME IREPEATI FF s41r 5412 L?L trl lgneq! s1o6 5LO7 Sr08 EEE sf,q. sl!? s_!q3 ,rr ll-.1 3 a E !sxcPT u5,cnadlan MooEL i.?sl i - Y l

37、 l r w i . -ca0 3 t s,o, (VOL BOARD) lri enE E-t?l-:E coro lpt edi*f iq - a ,./ 10Mf)i productron FLD4O1 F LUORESCENT INDICATOR TUgE Su : ;P 3R t ;ol ;: ;9 ;.r, 3(o P ;P ;or 3F ;S ;: ; F 3 8 = ; 9 l l - I r a J l- rJ -oo.t fr;l trt .=ir; l s? Is=*:FIi o t_ -17 - cDP-19512951491 | l5l6l 7 1110 I 0rtc

38、rs aa eE ,i 2-09?0 01 ;OilnOL h Sqrr ue trs F r a i B 5 : ; r : t - t I , r ur 1rrch, g ! ! sao6 E sao4 E1 sr03 E sa02 B sa0l E 0r0| 25C3399 BOAI I (MAIN -18- 1918151413 PICK UP BLOCK K55-240A cDP-l9512951491 f-w- i ftet;E, M6290P- 16 VOLTAGE ROIJLTOR 17 J rRAdtrc mtl l: I cu3, Mt02 SP INOL MOOR ff1

39、01 OTOR o204-20 B+ SWTTCB griEg o It.Efi cx D25 | D/ A CONV q : ! s s g ; 6 4 9 c l - . XUTINO swlTcH sfr LOAD tr SWIIq s192 LO tN SWtTd -19 - 0203-206 1l RECT ;-*.; BU|LT rN fFNSFoRHEF I I 020t zSC 3r5 +6V REG IEEES RC4558P 8+ SWTCH i -) a523 1521 100 l - ,l PHoNES LEveLl L -n- cDP-l9512951491 4-7.

40、 IC BLOCK DIAGRAMS tc101 CXA13720 CE SFCT ATSC FE FDFCT tcl03 M54641L 1c201 M5293L tc202 M5290P-16 0tl|Y 9rrrgl rt3tr qrl tGt0l cxDzsmAo CLK LOCK D I F C DVEE ltc VEE ssr0P FSET sL- sL0 sL+ o o z z u G ! | F t s - - O - J ) + z a 6 6 A 6 U ! U G F J l*-l+ ,Iii-. F s r - , _ - L s E R V o -n- DTAl44E

41、S DTCl44ES 2SC2458-YGR 2SC3623A-LK I RD4.7M-81 oo d* tN4148M 4.6. SEMICONDUCTOR LEAD IAYOUTS cxD2500AO cxP501 12-097() (TOP V|EW) GPlU52XB 2SC1815-Y 2581094-L 2SB1274SA-RS 2SA1 175-HFE RD5.6ES-82 RD6.8ES-81 RD7.5JS.B2 lss202-1 118s2 1 1 EOS04 2sD774-34 cDP-1951295t491 2 J J -23- .-*qib_ cDP-l9512951

42、491 NOTE: . -XX, -X mean standardized parts, so they may have some differences from the original one. . The construction parts of an assembled part are indicated with a collation number in the remark column. . Color Indication of Appearance Parts Examole: KNOB,BALANCE(WHITE).(RED Parts color Cabinet

43、s color (1) CABINET SECTION CDM14-58D1 2 nolsupplied sEcTroN 5 EXPLODED VIEW hems marked * are not stocked since they are seldom required for routine service. Some de lay should be anticipated when ordering these items. The mechanical parts with no re(erence num- ber in the exploded views are not su

44、pplied. Hardware(# mark) list is given in the last of this parts list. The components identified by mark A or dotted line with mark A are critical for safety. Replace only with part number specified. Les composants identifis par une marque A sont critiques pour la scurit. Ne les remplacer que par un

45、e pice por- tant le numro scifi. 1010 J . - - - - supplid r - - - - - . . - - - - - - - - T - r - - - - - - - - - - l i ur uooEL IAEP MODELiE MODEL r saudi Arabia I Y I #3 supplied aK)tsupplied Xsry* v 16 7 15 EXCEPT Ganadian 5 N us,-r i MODEL i 6 not supplied not 17 24 supplied FLD40l supplied supp

46、lied with J501 not supplied FLD401* *,-,&-fitN - -24- cDP-19s12951491 Re t. l0. Pa r t llo.DcscriptionRemark I 2 1-942-?67-l I PLATt, INDICATI0t| (195) 4-912-?6?-01 PtTt. lllDlcAIl0l (295/491) x-19l-260-l PAlltL ASSY, fRoll (ltADt lll fRACt 295:AtP) x-1941-262-l PAlltt AssY. tR0lT (MADt lll JAPAN 19

47、5:AtP. t Saudi Arabia Aastral ian) x-1941-261-1 PAtltt ssY. rR0ll (MADt | il JAPAN I 95: US Canad i an) x-494 l-263-l PAl,ltL ASSY, FR0tI (ttA0t lll tRAllCt 195:AtP) x-1911-259-t PAlltt AssY, fRolll (ltADt lll JAPAII 295:AfP, E, Austral ian) x-1911-258-l PAlltL ASSY, fRollT (IAt)t lll JAPAII 295:Can

48、adian) X-1911-130-t PAlltL ASSY. TR()l|T (llADt lll JAPAII 491:US) )(-1911-156-l PAlltt AssY. tRollT (MAD lll fRAilCE 491:UX) 4-S?8-635-01 scRtr. +Bv (2.6X8) TAPPIN0 4-922-531-01 |(ll08 (A TYPt). LoV 1-922-921-ol E|JlTotl (PowtR) 4-933-135-01 Rltl0 (DlA, 584) 0RlAMttTAt (tXCEPT US, Canadian) 4-942-763-01 PAENt. L0ADlN0 (MADE l|l JAPAN 295/491) 1-942-?63-l I PAtl|L, 0ADlNG (MAOE lll fRAllCE 295:AtPl191:UK) 4-942-763-21 PAtilL, t0ADllG (MADt lll JAPAl 195) 4-942-?63-31 PAtNt, L0ADlllG (MADt lil tRAtlCt 195) 3-701-366-ol SCRTll (CASt) (M3X8) 1-929-035-31 CASt (MDt lll JAPAil 195/2