JVC UX-A52 free download

File name 21074.pdf

UX-A52 UX-A52 SERVICE MANUAL MICRO COMPONENET SYSTEM UX-A52 COLOR DIMMER STANDBY/ON CLOCK /TIMER FM MODE SLEEP 1 DISPLAY 2 5 8 0 3 6 9 +10 4 7 SET 10 REV.MODE CANCEL REPEAT PLAY MODE MICRO COMPONENT SYSTEM UX-A52 CD FM/AM TAPE AUX/MD COMPACT STANDBY/ON BEEP DIGITAL AUDIO SOUND MODE AHB PRO VOLUME RM-SUXA52U PHONES Area Suffix US ----------------- Singapore UJ ---------------- U.S.Military UP ----------------------- Korea UW ------ Brazil,Mexico,Peru Contents Safety precautions Preventing static electricity Important for laser products Disassembly method Adjustment Method 1-2 1-3 1-4 1-5 1-24 Flow of functional operation until TOC read (CD) Maintenance of laser pickup Replacement of laser pickup Description of major ICs 1-28 1-29 1-29 1-30~48 COPYRIGHT 2002 VICTOR COMPANY OF JAPAN, LTD. No.21074 1-1 Feb. 2002 UX-A52 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be performed by qualified personnel only. 2. Alterations of the design or circuitry of the product should not be made. Any design alterations of the product should not be made. Any design alterations or additions will void the manufacturer`s warranty and will further relieve the manufacture of responsibility for personal injury or property damage resulting therefrom. 3. Many electrical and mechanical parts in the products have special safety-related characteristics. These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in the Parts List of Service Manual. Electrical components having such features are identified by shading on the schematics and by ( ) on the Parts List in the Service Manual. The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement parts shown in the Parts List of Service Manual may create shock, fire, or other hazards. 4. The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the like to be separated from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of electric shock and fire hazard. When service is required, the original lead routing and dress should be observed, and it should be confirmed that they have been returned to normal, after re-assembling. 5. Leakage currnet check (Electrical shock hazard testing) After re-assembling the product, always perform an isolation check on the exposed metal parts of the product (antenna terminals, knobs, metal cabinet, screw heads, headphone jack, control

File name 21074par.pdf

UX-A52 PARTS LIST [ UX-A52 ] * All printed circuit boards and its assemblies are not available as service parts. Area suffix US ---------------------- Singapore UP ---------------------------- Korea UW ---------- Brazil,Mexico,Peru UJ --------------------- U.S.Military - Contents Exploded view of general assembly and parts list (Block No.M1) Cassette mechanism assembly and parts list (Block No.MP) CD mechanism assembly and parts list (Block No.MB) Electrical parts list (Block No.01~04) Packing materials and accessories parts list (Block No.M3,M5) 3- 3 3- 6 3- 8 3-10 3-20 3-1 UX-A52 < MEMO > 3-2 UX-A52 Exploded view of general assembly and parts list Block No. M 1 M M 39 79 59 67 J 81 82 82 85 5 76 I2 J I1 77 82 59 59 101 60 87 51 a d l k i 86 78 70 93 g f I1 82 52 83 65 75 65 83 m 4 39 71 20 a 21 37 100 g 53 99 28 f H 55 57 58 98 B 22 E 96 18 b 19 120 E 23 D 104 28 58 n j 54 44 3 29 72 72 105 56 h 72 16 D 63 68 38 15 120 h 36 K1901 17 c 32 35 34 B d c 44 42 G 26 25 4 9 7 24 5 31 44 103 106 n 69 6 8 30 4 10 e 74 29 49 48 K 61 m 66 41 94 G I2 2 27 89 49 43 97 l H 1 13 C 74 38 12 115 b 111 43 110 114 119 12 12 46 62 45 31 4 33 14 A 116 C 109 40 43 84 47 39 k K 108 1 33 4 3 2 75 73 73 12 117 119 111 111 112 e 113 118 102 95 j 80 A 50 A B C D E F G 3-3 UX-A52 Parts list (General assembly) Block No. M1MM Parts name FRONT PANEL SUB FRAME MAIN FRAME SCREW CONTROL BUTTON T.SCREW T.SCREW T.SCREW EJECT BUTTON A EJECT BUTTON B T.SCREW PANEL HOLDER L PANEL HOLDER R FRONT CASE LED LENS T.SCREW SPACER SPACER LCD LENS LCD HOLDER LCD SHEET LED HOLDER LED HOLDER B LED COVER LCD COVER FRONT LENS SCREW SCREW T.SCREW SPECIAL SCREW SPECIAL SCREW ROLLER FRONT SPRING T.SCREW SPACER SPACER COMMON SPACER SPACER BOTTOM CHASSIS CD MECHA BRACKE T.SCREW T.SCREW T.SCREW T.SCREW SPACER CD SINGLE MECHA INNER CHASSIS T.SCREW Q'ty 1 1 1 4 FRONT PNL+MAIN 1 2 FRONT+CONT.BTN 1 + FRONT PANEL 1 FRONT+E.BTN.B 1 1 4 FRONT+ GEAR ASS 1 1 1 1 1 LED LENS+FRONT 1 1 1 1 1 1 1 1 1 1 4 LCD COVER+F.CAS 4 F.LENS+ F.CASE 2 CON.PWB+ F.PANE 2 F.PANEL+PANEL H 1 DETEC.SW.PWB+F. 2 1 1 F.SPRING/F.BRD 1 1 STICK AT LCD HO 2 MOV.PNL/PHONE W 3 WIRE ARRANGE. 1 1 2 CD M.BKT+BTM.CH 3 CD MECHA+BTM.CH 4 TRANS +BTM.CHAS 1 BKT.+ AC PWB. 1 1 1 4 INNER CHA+ BTTM Description Area UX-A52 Parts list (General assembly) Block No. M1MM Parts name T.SCREW T.SCREW TAP SCREW SCREW IC HOLDER HEAT SINK SCREW MECHA BRACKET SCREW SCREW SPACER PLASTIC RIVET SCREW VINYL TUBE SCREW SPACER PROTECT SHEET PROTECT SHEET JAK HOLDER TOP COVER(EXP) BUTTON T.SCREW SCREW SCREW FOOT HEAD SHIELD SLC COVER SCREW SIDE PANEL(L) SIDE PANEL(R) REAR COVER REAR COVER TAP SCREW TAP SCREW SCREW CD FITTING RATING LABEL RATING LABEL CAUTION LABEL C MECHA UNIT LASER CAUTION BOARD SPACER POWER TRANSF POWER TRANSF FFC WIRE FFC WIRE FFC WIRE FFC WIRE Q'ty Description 1 TUNER PWB+ BTTM 1 FMB PWB+BTM.CHA 1 TUNER+BTM.CHAS( 1 CHASSIS+MECH.BR 1 1 3 IC HOLD.+ H.SIN 1 4 CA

File name 21074sch.pdf

UX-A52 Block diagram 6 FMA-006 IFOUT OSCOUT MUTE/IFOUT FM/AM SQIN ST/MONO AMOSC STEREO,CK CE,DATA LOUT ROUT FMB-031-1 IC1 FMDET AM DET TUL,TUR LED MATRIX LEDCTL RED BLUE GREEN IC901 REMOCON REM SDA SCL,RS RESET J1003 LCD L1006 AC INPUT TU1 FM RF FM/AM ANT J1 CN809 CN701 CN1 L1 AM RF & OSC IC2 PLL AMRF AFC AMOSC CN918 TUDATA TUST TUCK MPX S1001 WITHOUT UP CN908 FW907 CN907 T1001 CN906 SW201 SW202 5 LVA10166-A1 CN31 DOWN MIDDLE UP MOTOR+ MOTOR- M CN909 CN803 R/P HEAD L+,LR+,R- IC31 HEAD SWITCH MOTOR DRIVE SOLENOLIDE DRIVE IC32 PB/REC AMP MS,PBL,PBR RECL,RECR STTA SDATA SCK RESET,SDA,RS DOWN,UP,MIDDLE PBL,PBR PHOTO CN709 VOLTAGE CONTROL CN744 CN743 CN34 M IC33 PORT EXTENSION FW31 CN33 4 REEL PULSE SWITCH SQL,KEY1,PLAY,PHOTO PLAY,KEY1 SAFETY1 SCK,SDATA STTA OUTL,OUTR IC701 SYSTEM MICOM VOLDA,VOLCE IC702 FUCTION/ VOL/AHB US6V IC802 REG. CN32 CN1 SW5V W1001 CN804 J1002 AHB,FCD MDPOUT SMUTE POUT SAFETY4 LOUT ROUT M SWITCH IC704 MOTOR DRIVER LOAD UNLOAD RMT0,RMT1 LOCK RMSPEED CN706 3 A+C B+D E,F LD,MD T+,TF+,F- IC703 MOTOR DRIVER MOTOR+ MOTOR- LIN RIN CN801 CN802 CN711 CN712 CD PICKUP IC601 RF & SERVO AMP OFT BDO ARF RFENV TBAL FBAL FE,TE GCTL RFDET IC251 UNIT MICOM /RESET STAT /DMUTE SUBQ SQCK BLKCK MLD MDATA MCLK FLAG IREFx4 TXDO,RXDO IC,/RESET J1001 2 OPEN SWITCH REST SWITCH FEED MOTOR SPINDLE MOTOR /OPEN /REST FM+,FMSM+,SM- IC801 FCS/SP/FE/TR BTL DRIVER TRD FOD ECM ECS TVD MCS KCMND MSTAT MRDY KCLK CDCOPY CDTNO CDEMP CDINDEX TX OUTL OUTR SRDATA LRCK BCLK IC801 POWER AMP INL INR CN001 CN601 CN671 CDTXD CDRXD CDRST TX BUZZER,PIN FKEY1,FKEY2 to FLASH MICON OUTL,OUTR SAFETY2 SAFETY3 +OUTL -OUTL +OUTR -OUTR /RESET CN651 CN606 CN704 IC651 DSP DQSY,SBCK SUBC KEY1 KEY2 PIN BUZZER S2601~S2617 KEY MATRIX BZ201 CN705 CN905 CN605 1 J2003 DIGITAL OUT A B C D E F G H I 2-1 3 1 2 4 5 6 Main & control circuit Standard schematic diagrams A W708 QJQ009-032601 CN704 LOAD MTR+ MTRMCS TX QGF1016C1-19 CN706 UNLOAD QGA201C1-05 CDTXD KLCK MRDY CDRXD CDRST% L2003 QQL244K-100Z 22/16 Q2708 C2753 1/50 1K Q2707 KTC3875/GR/-X C2752 1/50 1K Q2706 R2856 9.1 C2751 1/50 2.2K R2860 CDAGND 10 US6V R2852 2.2K D2860 MTZJ6.8B-T2 LB1641 IC704 K3003 KTC3875/GR/-X R2745 2.2K RMT0 LOCK RMT1 R2718 R2744 2.2K R2138 10K K3002 R2743 2.2K QGB2510J1-12 NQR0428-002X CN712 QQR0621-001Z C2855 0.01 R2717 KTC3875/GR/-X R2740 R2742 2.2K B C2604 470P R2716 1K R2741 10 SAFETY2 R2861 2.2k R2713 R2714 R2715 MTZJ7.5C-T2 D2852 R2862 2.2k 1K 1K 1K 0.01 IC703 LB1641 SAFETY3 R2853 2.2k C2861 R2854 R2867 10 R2855 10 10K 10K 2.2k C2852 0.01 CD+B C2605 1000P OUTR TLMTR2863 R2864 C2853 AGND R2866 10K 10K RCOL RED GREEN R2865 TLMT+ BCOL BLUE GCOL OUTL 100/16 MOTORR2093 R2092 47K 47K MOTOR+ D2601 R2615 D2602 SPR-39MVWF R2614 R2750 R2084 10K 220 R2719 220 R2720 FW907 SW202 QSW0933-001 47 Q2601 KRC102S-X 680 KTC3875/GR/-X Q2709 D2902 D2723 R2085 R2086 47K 47K R2087 C