Sony CDX-525RF free download

File name CDX-525RF.pdf

CDX-525RF SERVICE MANUAL US Model Canadian Model AEP Model UK Model E Model Model Name Using Similar Mechanism CD Drive Mechanism Type Optical Pick-up Name CDX-505RF MG-250C-137 KSS-521A/J2N SPECIFICATIONS COMPACT DISC CHANGER SYSTEM MICROFILM CDX-525RF 7-3. SCHEMATIC DIAGRAM ­ RF Section ­ · See page 33 for Waveforms. · See page 34 for IC Block Diagrams. (Page 29) The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Les composants identifiйs par une marque ! sont critiques pour la sйcuritй. Ne les remplacer que par une piйce portant le numйro spйcifiй. ­ 23 ­ ­ 24 ­ CDX-525RF 7-6. SCHEMATIC DIAGRAM ­ MAIN Section (1/2) ­ · See page 33 for Waveforms. · See page 35 for IC Block Diagrams. (Page 24) ­ 29 ­ ­ 30 ­ CDX-525RF 7-7. SCHEMATIC DIAGRAM ­ MAIN Section (2/2) ­ · See page 33 for Waveforms. · See page 35 for IC Block Diagrams. ­ 31 ­ ­ 32 ­ · Waveforms ­ RF Board ­ 1 IC11 #Ј (RF O) 500 mV/DIV, 500 ns/DIV ­ MAIN Board (1/2) ­ 1 IC101 @¶ (MDP) ­ MAIN Board (2/2) ­ 6 IC401 !Ј (MCK) 2.5 Vp-p 1.4 Vp-p 6 Vp-p 2 IC11 2 (FEI) 50 mV/DIV, 1 µs/DIV 7.6 µs 2 IC101 %є (LRCK) 59.5 ns 7 IC401 !§ (XO) 6 Vp-p 5.8 Vp-p Approx. 110 mVp-p 3 IC11 $¶ (TEI) 200 mV/DIV, 500 µs/DIV 22.7 µs 3 IC101 %ў (BCK) 58.6 µs 8 IC401 @Ј (BCK) 6.2 Vp-p 7.6 Vp-p Approx. 280 mVp-p 472 ns 4 IC101 *Є (XTAI) 472 ns 9 IC401 @ў (LRCK) 6 Vp-p 7.3 Vp-p 59.2 ns 5 IC302 #Ў (EXTAL) 22.7 µs 3.8 Vp-p 124 ns ­ 33 ­ · IC Block Diagrams ­ RF Board ­ IC11 CXA1992BR RFTC RF M PD1 RF O CC1 PD2 PD CP CB CC2 LD FOK RF I 39 38 37 36 35 34 33 32 31 30 29 28 27 PD 2 I-V AMP PD 1 I-V AMP PD AMP LD AMP RF SUMMING AMP FOCUS OK COMPARATOR VCC IFB1 ­ IFB6 LASER POWER CONTROL PEAK/BOTTOM HOLD MIRR COMPARATOR DEFECT AMP IIL TTL FE 40 BIAS FOCUS BIAS WINDOW COMPARATOR FOH FOL PEAK/BOTTOM HOLD LDON LPCL TGFL MIRR DFCT1 VEE F 41 F I-V AMP E I-V AMP TGFL FOCUS ERROR AMP LPC CC1 E 42 EI 43 VEE 44 TEO 45 TRACKING GAIN WINDOW COMPARATOR TGH TGL BALH BALL ATSC IIC DATA REGISTER, INPUT SHIFT REGISTER, ADDRESS DECODER, SENSE SELECTOR, OUTPUT DECODER IIL TTL 26 SENS2 25 SENS1 24 C. OUT VEE TOG1 ­ TOG4 BAL1 ­ BAL4 TTL IIL 23 22 21 20 19 XRST DATA XLT CLK LOCK TG1 ­ TG2 IFB1 ­ IFB6 BAL1 ­ BAL4 TOG1 ­ TOG4 TM1 ­ TM7 PS1 ­ PS4 FS1 ­ FS4 DFCTO LPFI 46 TEI 47 ATSC 48 E-F BALANCE WINDOW COMPARATOR ATSC WINDOW COMPARATOR TZC COMPARATOR TM1 DFCT TZC FZC VCC VCC ISET 18 VCC TM6 17 ISET TZC 49 16 SL O 15 SL M TRACKING PHASE COMPENSATION TDFCT 50 TG1 VCC CENTER VOLTAGE GENERATOR FZC COMPARATOR FOCUS PHASE COMPENSATION VCC VEE CHARGE UP FS1 TM5 VEE VCC TM7 TM4 VC 51 FZC 52 DFCT FS4 FS2 FSET TG2 TM3 VEE 1 FEO VEE 9 TGU 2 FEI 3 FDFCT 4 FGD 5 FLB 6 FE O 7 FE M 8 SRCH 10 TG2 11 FSET 12 TA M ­ 34 ­ TA O + ­ TM2 + ­ 14 SL P 13 IC52 OUT1 1 BA6287F 8 GND VM 2 7 OUT2 DRIVER TSD DRIVER VCC 3 CONTROL LOGIC 6 VREF POWER SAVE FIN 4