Sony CDX-424RF free download

File name CDX-424RF.pdf

CDX-424RF 7-3. SCHEMATIC DIAGRAM ­ RF Section ­ · See page 31 for Waveforms. · See page 32 for IC Block Diagrams. (Page 27) 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. ­ 21 ­ ­ 22 ­ CDX-424RF SERVICE MANUAL US Model Canadian 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-424RF 7-6. SCHEMATIC DIAGRAM ­ MAIN Section (1/2) ­ · See page 31 for Waveforms. · See page 33 for IC Block Diagrams. (Page 22) ­ 27 ­ ­ 28 ­ CDX-424RF 7-7. SCHEMATIC DIAGRAM ­ MAIN Section (2/2) ­ · See page 31 for Waveforms. · See page 33 for IC Block Diagrams. ­ 29 ­ ­ 30 ­ · 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) · 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 2.5 Vp-p 6 Vp-p 1.4 Vp-p PD 2 I-V AMP PD 1 I-V AMP PD AMP LD AMP RF SUMMING AMP FOCUS OK COMPARATOR VCC 7.6 µs 2 IC11 2 (FEI) 50 mV/DIV, 1 µs/DIV 2 IC101 %є (LRCK) 59.5 ns 7 IC401 !§ (XO) FE 40 BIAS IFB1 ­ IFB6 LASER POWER CONTROL PEAK/BOTTOM HOLD PEAK/BOTTOM HOLD FOCUS BIAS WINDOW COMPARATOR FOH FOL MIRR COMPARATOR DEFECT AMP IIL TTL LDON LPCL TGFL LPC F 41 F I-V AMP E I-V AMP TGFL TRACKING GAIN WINDOW COMPARATOR TGH TGL BALH BALL ATSC CC1 6 Vp-p MIRR DFCT1 5.8 Vp-p VEE FOCUS ERROR AMP Approx. 110 mVp-p 22.7 µs 3 IC11 $¶ (TEI) 200 mV/DIV, 500 µs/DIV 3 IC101 %ў (BCK) E 42 EI 43 VEE 44 TEO 45 IIL TTL IIC DATA REGISTER, INPUT SHIFT REGISTER, ADDRESS DECODER, SENSE SELECTOR, OUTPUT DECODER TTL IIL 26 SENS2 25 SENS1 24 C. OUT 58.6 µs 8 IC401 @Ј (BCK) VEE TOG1 ­ TOG4 BAL1 ­ BAL4 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 E-F BALANCE WINDOW COMPARATOR ATSC WINDOW COMPARATOR TZC COMPARATOR TM1 TZC FZC VCC VCC ISET 18 VCC 6.2 Vp-p 7.6 Vp-p ATSC 48 TM6 17 ISET Approx. 280 mVp-p 472 ns 4 IC101 *Є (XTAI) TZC 49 16 SL O 15 SL M TRACKING PHASE COMPENSATION TDFCT 50 9 IC401 @ў (LRCK) VC 51 FZC 52 TG1 VCC CENTER VOLTAGE GENERATOR FZC COMPARATOR FOCUS PHASE COMPENSATION VCC VEE CHARGE UP FS1 TM5 VEE VCC TM7 TM4 6 Vp-p 7.3 Vp-p DFCT FS4 FS2 FSET 59.2 ns 5 IC302 #Ў (EXTAL) 22.7 µs VEE 1 FEO TG2 TM3 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 3.8 Vp-p 124 ns ­ 31 ­ ­ 32 ­ TA O + ­ TM2 + ­ 472 ns DFCT 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 5 RIN ­ MAIN Board ­ IC101