Sony CDX-454RF - Compact Disc Changer System Service Manual Download Page 40 | Manualshive

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40

CDX-454RF/454XRF

8-3.

MECHANISM DECK SECTION-1
(MG-251A-137)

Ref. No.

Part No.

Description

Remark

Ref. No.

Part No.

Description

Remark

101

X-3378-091-1 CHASSIS (U. S) SUB ASSY

102

3-024-161-01 SPRING (SUT)

103

3-011-997-01 SPRING (STOPPER. LOWER)

#3

7-685-781-09 SCREW +PTT 2X4 (S)

#3

#3

#3

101

102

mechanism deck section-3

103

mechanism deck section-2

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Summary of Contents for CDX-454RF - Compact Disc Changer System

Page 1: ...surface on the Optical Pick up Block frequency 88 3 MHz 88 5 MHz 88 7 MHz 88 9 MHz 89 1 MHz 89 3 MHz 89 5 MHz 89 7 MHz 89 9 MHz switchable Input output terminals Wired remote control 8 pin RF signal FM output Power input 3 pin Current drain 800 mA at playback 800 mA at disc loading ejecting Operating temperature 10 C to 55 C 14 F to 131 F Dimensions Approx 262 90 185 mm 10 3 8 3 5 8 7 3 8 in w h d...

Page 2: ... Mechanism Deck Section 2 MG 251A 137 41 8 5 Mechanism Deck Section 3 MG 251A 137 42 8 6 Mechanism Deck Section 4 MG 251A 137 43 9 ELECTRICAL PARTS LIST 44 ATTENTION AU COMPOSANT AYANT RAPPORT À LA SÉCURITÉ LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT NE REMPLACER CES COM POSANTS QUE PAR DES PIÈC...

Page 3: ...entrated so as to be focused on the disc reflective surface by the objective lens in the optical pick up block Therefore when checking the laser diode emis sion observe from more than 30 cm away from the objective lens TEST DISC This set can playback a CD R CD RW for audio use When test this set use the following test disc Test disc for CD R TCD R082LMT Part No J 2502 063 1 Notes on CD R CD RW dis...

Page 4: ...r ou la fréquence change dans l ordre suivant 88 3 MHz t 89 9 MHz t 89 7 MHz t 89 5 MHz t 89 3 MHz t 89 1 MHz t 88 9 MHz t 88 7 MHz t 88 5 MHz t 88 3 MHz 88 3 MHz t 88 5 MHz t 88 7 MHz t 88 9 MHz t 89 1 MHz t 89 3 MHz t 89 5 MHz t 89 7 MHz t 89 9 MHz t 88 3 MHz 3 Appuyez sur SHUF REP pendant deux secondes Remarques Si vous changez la fréquence de transmission de l appareil n oubliez pas de syntoni...

Page 5: ...rtaequipajes tenga en cuenta lo siguiente Elija cuidadosamente el lugar de montaje de forma que la unidad pueda instalarse horizontalmente Asegúrese de que la unidad no dificulta la acción del resorte de la barra de torsión la bisagra etc de la tapa de la platina Inclined installation Installation inclin e Après avoir installé l appareil alignez les disques sur l un des repères afin que la flèche ...

Page 6: ...nde à fil Parte posterior del mando a distancia alámbrico 4 Installing the wired remote Use the supplied double sided adhesive tape 4 and mount the wired remote in a suitable location where it will not interfere with your driving Installation de la t l commande fil Utilisez la bande à double face adhésive fournie 4 pour installer la télécommande à fil dans un endroit qui ne risque pas de gêner la ...

Page 7: ... lead first à la borne d alimentation de 12 V qui est alimentée quand la clé de contact est sur la position accessoire Raccordez d abord le fil de masse noir a un terminal de 12 V que se energice al poner el interruptor de encendido en la posición para accesorios Asegúrese de conectar en primer lugar el conductor de puesta a masa negro Fuse Fusible Fusible 5 Relay box Boîtier de relais Caja de rel...

Page 8: ...3 5 MAIN BOARD SLIDE VARIABLE RESISTOR ELEVATOR HEIGHT SENSOR RV202 Page 10 3 6 ELJ MOTOR ASSY ELEVATOR M104 Page 11 3 9 CHASSIS ASSY Page 12 3 10 RF BOARD Page 13 3 13 ELJ MOTOR ASSY CHUCKING M103 Page 14 3 11 SLED MOTOR ASSY 251 M101 OPTICAL PICK UP KSS 720A Page 13 3 12 LSW BOARD SPINDLE MOTOR S SUB ASSY M102 Page 14 SET Note 1 The process described in can be performed in any order Note 2 Witho...

Page 9: ...ew PTT2 6 6 4 lever FLT 838 3 screw PTT2 6 6 3 screw PTT2 6 6 1 screw PTT2 6 6 1 screw PTT2 6 6 2 front panel assy 4 lever FLT 838 5 case upper T 3 3 MECHANISM DECK MG 251A 137 1 two dampers T 1 two dampers T 3 FM flexible board CN701 filament tape 2 tension coil spring FL 4 mechanism deck MG 251A 137 2 tension coil spring FL ...

Page 10: ...round 4 cover FM 5 FM board 1 main flexible board CNJ101 5 two screws FP 5 screw FP 6 main board 2 Remove two solders of the elevator motor leads M104 2 Remove three solders of the slide variable resistor RV202 2 Remove four solders of the SW board leads 3 screw PTT2 4 4 heat sink T 8 slide variable resistor elevator height sensor RV202 7 screw PTT2 4 ...

Page 11: ...UTCHEON T 1 screw PTT2 4 2 bracket EVM S 3 ELJ motor assy elevator M104 2 Remove the claw in the direction of arrow A 4 Remove the ditch in the direction of arrow B A B 5 Remove the escutcheon T in the direction of arrow C 4 ditch 3 claw C 3 two claws 1 screw T ...

Page 12: ...SIS ASSY 1 three screws PTT2 4 1 screw PTT2 4 1 two screws PTT2 4 4 spring SUT 2 Remove the edge in the direction of arrow A 5 chassis U S sub assy 3 A 6 chassis assy 1 Turn the gear EVD S fully in the direction of arrow A 5 spring stopper lower 4 A 3 2 3 ...

Page 13: ...otor leads M102 2 Remove two solders of the sled motor leads M101 1 OP flexible board CN102 4 RF board 1 two precision screws P2 3 4 Turn shaft feed assy in the direction of the arrow then remove it 2 sled motor assy 251 M101 OP flexible board adhesive sheet 3 optical pick up KSS 720A optical pick up Note After connecting OP flexible board fix it with adhesive sheet to optical pick up ...

Page 14: ...crews P1 7 2 2 7 3 spring chucking 6 retainer disc 4 precision screw P2 2 2 5 bracket CP 9 Remove the spindle motor S sub assy M102 in the direction of the arrow 2 LSW board 1 precision screw P2 2 5 2 two screws PTT2 4 3 retainer CHM 4 ELJ motor assy chucking M103 1 Remove two solders of the chucking motor leads M103 ...

Page 15: ...Y Page 16 4 4 OPERATION CHECK Page 16 4 2 OPTICAL PICK UP COMPLETE ASSY chuck plate 1 Move the lever LOCK 3A in the direction of arrow A and return it a little in the direction of arrow B from the position where the chuck plate is moved down to the lower limit A B 3 stop ring 2 0 E type 4 tension spring DH 2 optical pick up complete assy Note Insert the shaft A first shaft A ...

Page 16: ...and the slider moves in the direction of arrow D if the gear is rotated in the direction of arrow B gear LOAD 2 gear LOMINI marking Fig A chuck plate 2 Attach the gear LOMINI at the position shown in Fig A shaft rotary prevention C 1 Move the lever LOCK 3A fully in the direction of arrow B to move the chuck plate up B 4 stop ring 1 5 E type 3 Attach the gear LOAD 1 assy with its facing inside slit...

Page 17: ...ISC and buttons on the wired re mote commander RM X82RF so that the elevator shafts moves from address 6 to address 5 or from 5 to 6 At this time adjust RV201 on the main board so that the elevator shaft positions smoothly between comb teeth A and B 6 Further place the set horizontally and make same adjustment as mentioned above 7 After adjustment at addresses 5 to 6 is finished check all op erati...

Page 18: ...F Board Component Side Procedure 1 Connect the oscilloscope to TP RFO and TP VC on the RF board 2 Put the set into play mode by loading the disc YEDS 18 3 Confirm that oscilloscope waveform is clear and check RF sig nal level is correct or not Note Clear RF signal waveform means that the shape can be clearly distin guished at the center of the waveform When observing the eye pattern set the oscill...

Page 19: ...al on the wired remote com mander and check the traverse waveform 4 Confirm that the oscilloscope waveform is symmetrical on the top and bottom in relation to 0 V dc and check this level Traverse waveform This is the tracking error wave form appears when crossing the track oscilloscope DC range TP VC TP TE IC101 A B 0 V A B traverse waveform 100 track jump waveform VOLT DIV 500 mV TIME DIV 2 ms Ce...

Page 20: ...20 CDX 454RF 454XRF MEMO ...

Page 21: ... SUBCODE PROCESS RFDC FE TE SE OP AMP ANALOG SWITCH A D CONVERTER MIRR DFCT FOK DIGITAL SERVO SIGNAL PROCESS PWM GENERATOR 40 41 25 24 TEDR TRDR VIN1 B 18 8 9 VO3 VO3 VIN3 VIN3 DIGITAL CLV 35 MDP M M103 CHUCKING M102 SPINDLE M101 SLED TRACKING FOCUS COIL DRIVE SLED SPINDLE CHUCKING MOTOR DRIVE IC201 MOTOR DRIVE COIL DRIVE SERVO AUTO SEQUENCER SERVO INTERFACE 94 CH F 71 CH R 72 89 11 XRST 36 SSTP L...

Page 22: ...FERENCE VOLTAGE SWITCH Q201 B UP 5V 9 LCDON 36 8V REGULATOR IC304 DRIVER 8V 10V REGULATOR Q311 5V REGULATOR IC304 LCD 10V REGULATOR CONTROL Q309 310 BUCHK 75 D306 D302 D307 38 CDON 8 EJECT 63 SW302 RESET B UP 5V KEY 5V 5V REGURATOR Q303 5V REGURATOR IC305 DAC SERVO 5V Z SW301 76 MGLK 74 ELVF 73 ELVR SW201 MAGAZINE DETECT ON When magazine is set 3 4 40 XTAL 41 EXTAL 80 KEYACK 95 ADON 58 KEYIN 9 7 M...

Page 23: ...nless otherwise specified f internal component C panel designation A B Line H adjustment for repair Power voltage is dc 14 4V and fed with regulated dc power supply from CD changer controller Voltages and waveforms are dc with respect to ground in CD play mode no mark CD PLAY Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Wav...

Page 24: ...CDX 454RF 454XRF 24 24 7 4 PRINTED WIRING BOARDS RF LSW Boards See page 23 for Circuit Boards Location IC201 IC101 Page 26 ...

Page 25: ...32 for IC Block Diagrams Page 28 The components identified by mark 0 or dotted line with mark 0 are critical for safety Replace only with part number specified Les composants identifiés par une marque 0 sont critiques pour la sécurité Ne les remplacer que par une pièce portant le numéro spécifié ...

Page 26: ... 12 A B C D E F G H I J K 7 6 PRINTED WIRING BOARD MAIN Board Component Side See page 23 for Circuit Boards Location Semiconductor Location Ref No Location D201 B 7 D202 B 7 D231 F 8 D306 G 5 D307 G 5 D309 G 4 D310 G 4 D311 G 3 D312 G 6 D313 G 4 IC101 C 9 IC201 F 9 IC301 H 3 IC303 G 4 IC401 D 7 Q201 F 10 Q231 G 8 Q232 G 8 Q301 G 5 Q302 G 5 Q303 G 5 Q401 E 8 Q402 E 9 Q410 D 6 Q420 C 6 Page 30 Page ...

Page 27: ... Location Ref No Location 7 7 PRINTED WIRING BOARDS MAIN Conductor Side SW Boards See page 23 for Circuit Boards Location IC304 H 12 IC305 F 12 13 13 13 13 IC305 IC304 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J K C148 C147 C146 ...

Page 28: ...CDX 454RF 454XRF 28 28 7 8 SCHEMATIC DIAGRAM MAIN Board 1 2 See page 32 for Waveforms See page 32 for IC Block Diagram Page 29 Page 25 ...

Page 29: ...CDX 454RF 454XRF 29 29 7 9 SCHEMATIC DIAGRAM MAIN 2 2 SW Boards See page 32 for Waveform See page 32 for IC Block Diagram Page 28 Page 31 ...

Page 30: ...RELAY BOX FROM CAR ANTENNA TO MASTER UNIT POWER CN303 DISPLAY CN302 OUTPUT CN703 REMOTE COMMANDER RM X82RF FM BOARD CONDUCTOR SIDE 1 2 3 4 5 6 7 8 9 10 11 A B C D E F G D G S R728 CHASSIS Ref No Location Ref No Location Ref No Location Ref No Location Semiconductor Location D301 D 9 D302 D 8 D310 C 5 D311 E 10 D312 E 10 D313 C 11 D314 E 11 D701 D 6 D702 G 5 IC304 E 5 IC701 F 4 Q301 C 8 Q308 E 3 Q3...

Page 31: ...CDX 454RF 454XRF 31 31 Page 29 7 11 SCHEMATIC DIAGRAM FM Board See page 32 for Waveforms See page 32 for IC Block Diagram ...

Page 32: ... Approx 83 mVp p MAIN Board Approx 63 mVp p Approx 83 mVp p 1 4 0 3 Vp p 5 6 Vp p 22 8 µs 5 6 Vp p 470 ns 4 1 Vp p 59 1 ns 4 4 Vp p 83 ns 3 4 Vp p 131 6 ns FM Board 2 IC701 qa RF OUT 656 mVp p 14 3 ns 1 2 3 4 9 10 11 12 5 6 7 8 23 22 20 18 16 15 14 19 17 13 21 APC LD AMP APC PD AMP RF SUMMING AMP FOCUS ERROR AMP RF EQ AMP AGC F I V AMP E I V AMP COMPARATOR COMPARATOR TRACKING ERROR AMP HOLD AGCVTH...

Page 33: ... MUTE1 VIN4 VIN4 VIN4 VREF IN VIN1 VREF SW VREF OUT CH1 REG OUT REG IN VIN3 VIN3 VIN3 VIN2 VIN2 VIN2 VIN1 B OUTPUT CONTROL LEVEL SHIFT CH2 4 MUTE THERMAL SHUT DOWN CH1 MUTE VIN1 VREF SWITCH 5VREG 3 4 5 6 7 8 9 2 1 LEVEL SHIFT LEVEL SHIFT 10 11 14 LEVEL SHIFT AMP A AMP B 15 16 17 18 23 19 34 35 36 25 24 22 21 20 33 32 31 30 29 28 27 26 12 13 ...

Page 34: ... 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 FOCUS PWM GENERATOR TRACKING PWM GENERATOR SLED PWM GENERATOR SERVO DSP FOCUS SERVO TRACKING SERVO SLED SERVO INTERNAL BUS PWM 100 LOW PASS FILTER PWM BCK BCKI ENPH EMPHI XVDD XTAI XTAO XVSS AVDD1 AOUT1 AIN1 LOUT1 AVSS1 AVSS2 LOUT2 AIN2 RMUT AOUT2 AVDD2 LMUT PCMDI PCMD LRCKI LRCK VDD ASYE DOUT MD2 VSS VPCO V16M VCTL ...

Page 35: ...4 1 50 1 19 VCC 2 MUTE MPX OSC 0 1 2 RF PRE EMPHASIS LIMITER L CH INPUT PRE EMPHASIS TIME CONSTANT LPF TIME CONSTANT PILOT SIGNAL ADJUST AUDIO MUTING DATA CLOCK CHIP ENABLE X TAL OSCILLATOR X TAL OSCILLATOR PLL VCC R CH INPUT PRE EMPHASIS TIME CONSTANT LPF TIME CONSTANT FILTER COMPOSITE SIGNAL OUTPUT GND PLL PHASE DETECTOR OUTPUT VCC RF OSCILLTOR RF GND RF OUTPUT ...

Page 36: ...k signal output to the LCD driver in remote commander 46 CFSEL I Custom file on off setting terminal L custom file on Not used 47 EEINIT I Initialize signal input for the EEPROM H format Not used 48 EEDATA I O Two way data bus with the EEPROM Not used 49 EECLK O Serial data transfer clock signal output to the EEPROM Not used 50 VSS Ground terminal for A D converter 51 AVREF I Reference voltage 5V ...

Page 37: ...81 NC Not used 82 SCOR I Subcode sync S0 S1 detection signal input from the DSP 83 SIRCS I SIRCS signal input terminal Not used 84 TEX I Sub system clock input terminal Not used 85 TX O Sub system clock output terminal Not used 86 VSS Ground terminal 87 VDD Power supply terminal 5V 88 NC Not used 89 LIMSW I Sled limit in detect switch input terminal L When the optical pick up is inner position 90 ...

Page 38: ... No Description Remark 1 X 3379 707 1 DOOR L ASSY CDX 454RF 1 X 3381 484 1 DOOR L ASSY CDX 454XRF 2 3 224 392 12 PANEL L FRONT CDX 454XRF 2 3 224 392 41 PANEL L FRONT CDX 454RF 3 3 047 886 11 LEVER FLT 838 4 3 237 609 01 CASE UPPER T 5 1 792 043 12 CORD WITH CONNECTOR POWER 6 A 3301 964 A RELAY BOX ASSY 7 1 792 045 21 CORD WITH CONNECTOR ANT OUT 8 1 792 044 22 CORD WITH CONNECTOR CD OUT 9 A 3220 7...

Page 39: ...EW FP 61 1 676 722 13 SW BOARD 62 3 042 244 11 SCREW T 63 3 041 218 21 ESCUTCHEON T 64 3 022 007 02 BUTTON EJT Z 65 3 022 012 01 HEAT SINK T 66 3 038 166 01 SPRING FL TENSION COIL 67 A 3283 116 A MAIN BOARD COMPLETE 68 1 676 339 12 MAIN FLEXIBLE BOARD 69 3 046 988 02 PLATE MAIN SHIELD 71 X 3375 360 2 ARM FRT ASSY RV202 1 227 137 11 RES VAR SLIDE 10K ELEVATOR HEIGHT SENSOR 1 7 685 862 09 SCREW BVTT...

Page 40: ...No Part No Description Remark Ref No Part No Description Remark 101 X 3378 091 1 CHASSIS U S SUB ASSY 102 3 024 161 01 SPRING SUT 103 3 011 997 01 SPRING STOPPER LOWER 3 7 685 781 09 SCREW PTT 2X4 S 3 3 3 101 102 mechanism deck section 3 103 mechanism deck section 2 ...

Page 41: ...3 M104 Ref No Part No Description Remark Ref No Part No Description Remark 151 3 024 170 01 SPRING SB TENSION 152 3 040 790 02 BRACKET EVM S 153 X 3378 092 7 CHASSIS D S SUB ASSY 154 3 014 685 01 SPACER MO M104 A 3301 123 A ELJ MOTOR ASSY ELEVATOR 3 7 685 781 09 SCREW PTT 2X4 S ...

Page 42: ...936 00 STOPPER REEL 208 X 3373 552 1 GEAR LOAD 1 ASSY 209 3 010 252 11 ROLLER CRE 210 3 010 268 01 SPRING DH TENSION 211 A 3290 194 L MAIN ASSY CHASSIS EVY 212 3 010 254 11 SHAFT ROTARY PREVENTION C 213 3 010 253 01 GEAR LOMINI 214 A 3326 000 A RF BOARD COMPLETE M103 A 3301 123 A ELJ MOTOR ASSY CHUCKING 3 7 685 781 09 SCREW PTT 2X4 S 4 7 624 104 04 STOP RING 2 0 TYPE E 6 7 628 253 00 SCREW PS 2X4 ...

Page 43: ...NG FEED LEAF 253 X 3378 101 1 HOLDER SLED S ASSY 254 3 931 832 01 GEAR SL MIDWAY 0255 8 820 103 11 OPTICAL PICK UP KSS 720A Q RP 256 A 3291 669 A SHAFT FEED ASSY 257 3 010 263 01 DETENT SHAFT THRUST 258 1 676 524 13 LSW BOARD 259 A 3301 954 B BASE OPT S J ASSY M101 A 3315 151 A SLED MOTOR ASSY 251 M102 A 3301 998 A SPINDLE MOTOR S SUB ASSY 5 7 627 554 07 SCREW PRECISION P 2X2 2 7 7 627 553 27 SCRE...

Page 44: ...TE Due to standardization replacements in the parts list may be different from the parts speci fied in the diagrams or the components used on the set XX and X mean standardized parts so they may have some difference from the original one RESISTORS All resistors are in ohms METAL Metal film resistor METAL OXIDE Metal oxide film resistor F nonflammable Items marked are not stocked since they are sel...

Page 45: ...F 10 50V C112 1 115 467 11 CERAMIC CHIP 0 22uF 10 10V C120 1 162 967 11 CERAMIC CHIP 0 0033uF 10 50V C121 1 164 360 11 CERAMIC CHIP 0 1uF 16V C122 1 115 566 11 CERAMIC CHIP 4 7uF 10 10V C123 1 162 970 11 CERAMIC CHIP 0 01uF 10 25V C124 1 162 965 11 CERAMIC CHIP 0 0015uF 10 50V C125 1 165 176 11 CERAMIC CHIP 0 047uF 10 16V C126 1 164 360 11 CERAMIC CHIP 0 1uF 16V C127 1 162 960 11 CERAMIC CHIP 220P...

Page 46: ... R126 1 216 857 11 METAL CHIP 1M 5 1 16W R140 1 216 834 11 METAL CHIP 12K 5 1 16W R141 1 216 834 11 METAL CHIP 12K 5 1 16W R142 1 216 834 11 METAL CHIP 12K 5 1 16W R143 1 216 834 11 METAL CHIP 12K 5 1 16W R144 1 216 834 11 METAL CHIP 12K 5 1 16W R145 1 216 834 11 METAL CHIP 12K 5 1 16W R146 1 216 833 11 METAL CHIP 10K 5 1 16W R147 1 216 833 11 METAL CHIP 10K 5 1 16W R201 1 216 821 11 METAL CHIP 1K...

Page 47: ...6 842 11 METAL CHIP 56K 5 1 16W R209 1 216 833 11 METAL CHIP 10K 5 1 16W R210 1 216 842 11 METAL CHIP 56K 5 1 16W R211 1 216 833 11 METAL CHIP 10K 5 1 16W R212 1 216 839 11 METAL CHIP 33K 5 1 16W R213 1 216 833 11 METAL CHIP 10K 5 1 16W R214 1 216 839 11 METAL CHIP 33K 5 1 16W R215 1 216 839 11 METAL CHIP 33K 5 1 16W R216 1 216 842 11 METAL CHIP 56K 5 1 16W R218 1 216 839 11 METAL CHIP 33K 5 1 16W...

Page 48: ...792 045 21 CORD WITH CONNECTOR ANT OUT 507 1 792 044 22 CORD WITH CONNECTOR CD OUT 508 A 3220 787 A WIRED COMMANDER RM X82RF CNP501 1 792 596 13 CABLE WITH CONNECTOR for RM X8SRF F1 1 532 798 11 FUSE BLADE TYPE AUTO FUSE 1A 32V F2 1 532 731 11 FUSE BLADE TYPE AUTO FUSE 3A 32V 501 502 PSW4 10 4 TAPPING SCREW DIA 5 20 4 BRACKET T 2 503 TAPE COMMANDER 1 504 POWER CORD 1 505 RELAY BOX ASSY 1 F1 F2 506...

Page 49: ...49 CDX 454RF 454XRF MEMO ...

Page 50: ...sion allows you to jump to the revised page Also clicking the version at the upper right on the revised page allows you to jump to the next revised page Ver Date Description of Revision 1 0 2001 11 New 1 1 2002 03 Addition of Jig on Repairing SPM 02001 ...

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