anua❑aswaSERVICEXP-770XP-779COMPACT DISC PLAYERhttp://www.xiaoyu163.comhttp://www.xiaoyu163.com
WIRING–2 (LED/DC/ CONNECTION)IC BLOCKDIAGRAM-1Ic, BA3574FSVccBEEPRF- IRF-O B]ASIBIASOIN-LIN-R STAN+IBYAMUTE1 23 456 7 8 9 10 11 121514 13 12 11 10987
IC BLOCK DIAGRAM – 2IC,BH6515KRRr’35----- ----I I YT’mF-lJr---‘“ VJ1~=--------------E-------41+A“%,“’1,‘ ‘m17“G!;1,1,PREf,SAW ,LOGIC3:_--- . _ - —____
WAVEFORMo1IC101Pin61 (RF O) VOLT/DIV: 500mVTIME/DIV: 200nSo2IC101 Pin49 & 51 (TAO)VOLT/DIV: 50mVTIME/DIV lmSVco3IC101 Pin 47 (FE o)VOLT/DIV: 50mVT
IC DESCRIPTIONIC, CXP83417-139QPin No.Pin NameI I/oDescription1INCI - I Notccmnected.21BEEPI o I Beepoutput. Output 2kHzshotiformwave when beeping.31R
Pin No.Pin NameI/oDescription61B-MIDoRemaining battery LED (MID) indicator terminal. LED on at “L”.#62B-FULLoRemaining battery LED (FULL) indicator te
IC,CXD2588RPin No.Pin NameI/oDescription1 SQSOo SubQ 80 bit or PCM peak level data output. CD text data output.2 SQCK I Clock input for SQSO read out.
Pin No.Pin NameI/oDescription41FRDRoFocus drive output.I42IVss] - I GND.II43IVss1-I GND.II44ITESTI I I Test terminal. Normally connected to ground.I45
Pin No.Pin Name1/0Description82EMPH (NC) o “H”when the playback disc has emphasis.“L”when it does not. (Not connected.)83 EMPHIIDe-emphasis ON/OFF. “H
IC, SM5902AFPin No.Pin Name1/0Description1 VDD2VDD power supply.2 EASSON (NC)o EASS on = “L”.(Not connected.)3EASSON (NC)oEASS on = “H”. (Not connecte
TEST MODE*The servo circuit of this model is regulated for no manual adjustment, and its IC controls the whole process internally.This TEST MODE enabl
SPECIFICATIONSTracking system:1-beam iaserLaser pickup: Semiconductor iaserD/A conversion: 8-times oversampiing digitai fiiter + 1-bitDACFrequency res
1 Checking RF level● Test point: TPRF & VC● Test disc: TCD-782Check that the RF wave shapes the curve as shown below.IMAX1.2 * o.2vp-pVolt/Div: 0.
3) Focus and tracking gainAt the focus and tracking-gain checking mode, the LCD displays the diagram as shown below.Tracking gainFocus gainThe range d
MECHANICAL EXPLODED VIEW 1 / 1LID, BAT–30–http://www.xiaoyu163.comhttp://www.xiaoyu163.com
MECHANICAL PARTS LIST 1 / 1If can’t understand for Description please kindly refer to” REFERENCE NAME LIST”.REF.NO. PARTNO.KANRI DESCRIPTIONNO.1234567
CD MECHANISM EXPLODED VIEW 1 / 10AIICD MECHANISM PARTS LIST 1 / 1If can’t understand for Description please kindly refer to” REFERENCE NAME LIST”.REF.
ACCESSORIES / PACKAGE LISTIf can’t understand for Description please kindly refer to” REFERENCE NAME LIST”,REF.NO. PARTNO.KANRI DESCRIPTIONNO.1 88-HC4
REFERENCE NAME LISTELECTRICAL SECTIONMECHANICAL SECTIONDESCRIPTIONREFERENCE NAMEDESCRIPTIONANTc-C-CAPC-CAP TNC-COILREFERENCE NAMEADHESHIVEAZBAR-ANTBAT
PROTECTION OF EYES FROM LASER BEAMThis set employs laser. Therefore, be sure to follow carefullythe instructions below when servicing.WARNING!!WHEN SE
ELECTRICAL MAIN PARTS LISTI Ifczm’t understandfor Description please kindly refer to” REFERENCE NAME LIST”. IREF.NO. PARTNO.KANRIDESCRIPTIONNO.IC87-A2
REF.NO. PARTNO, KANRIDESCRIPTIONNO.SW20487-A90-095-080 SW,TACT EVQ11G04MSW20587-A90-095-080 SW,TACTEVQ11G04MSW20687-A90-095-080 SW,TACTEVQ11G04MSW2078
TRANSISTOR ILLUSTRATIONQ,.c; ;..%..’BE2SA10372SC2412DTA144EKDTC123JK2SB1590KDTA123JKAQ~K:$:. ,.::...*BEcFMG5AC2J$iibh. B1i: )..El@~ : ,..-. .%:..,:~.E
BLOCKDIAGRAM(MAIN/ LED/DC)I.—-— -—-— -—-— -—-— .—.—-— -—- —-— -—- —.— -—- —-— -—- —-—-— -—- —-iLCDDISPLAY1II1IIIIIIIIIIIIIIIII1I.1❑MAINc.BI*-—. -—- —-
WIRING-1 (MAIN)141312‘II 1098 7654BLY322 3 4 567 89 ‘loA+co PIKSElK4>AcDE1+)I1 I I II I *IIIIFGHI——..-———. .—SW202I STOP OFF/-.--.CHAR~E-.=1204F‘-”
SCHEMATICDIAGRAM(MAIN/ LED/DC)—. —- —--— ._. -— -— -— -— -— -— -— -—- —- —- —- —- —- —- —- —. —- —- —- —..III1I I ID e, l?nIISLEf)+ ~IIIE 1 k . . 4IIS
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