Sony CDX-434RF Service Manual
Sony CDX-434RF Service Manual

Sony CDX-434RF Service Manual

Compact disc changer system

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CDX-434RF/530RF/535RF
SERVICE MANUAL
CD changer
System
Laser Diode Properties
Material
Wavelength
Emission Duration
Laser output power
* This output is the value measured at a distance of
200 mm from the objective lens surface on the
Optical Pick-up Block.
Transmitting frequency
Input/output terminals
Current drain
Operating temperature
Dimensions
Mass
Relay box
Input/output
Dimensions
Mass
MICROFILM
Photo: CDX-535RF
SPECIFICATIONS
Compact disc digital audio
system
GaAlAs
780 nm
Continuous
Less than 44.6 µW*
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)
Wired remote control (8 pin)
RF signal (FM) output
Power input (3 pin)
800 mA (at playback)
800 mA (at disc loading/
ejecting)
–10°C to +55°C
(14°F to 131°F)
Approx. 262 × 90 × 181.5 mm
× 3
× 7
(10
3
/
5
/
1
/
in.)
8
8
4
(w/h/d)
Approx. 2.1 kg (4 lb. 10 oz.)
Antenna input terminal
Antenna output cord
CD Changer input cord
Approx. 40 × 40 × 27 mm
× 1
× 1
5
5
1
(1
/
/
/
in.)
8
8
8
(w/h/d)
140 g (5 oz.)
COMPACT DISC CHANGER SYSTEM
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
Wired remote (RM-X88) (CDX-434RF)
Approx. 122 × 36.5 ×
Dimensions
15.5 mm
× 1
7
7
(4
/
8
(w/h/d)
Mass
Approx. 255 g (9 oz.)
Wired remote (RM-X87)
/Wireless remote (RM-X89) (CDX-530RF/535RF)
Dimensions
Wired remote:
Approx. 122 × 36.5 × 15.5 mm
× 1
3
7
(4
/
8
Wireless remote:
Approx. 40 × 6.5 × 86 mm
×
5
9
(1
/
/
8
(w/h/d)
Mass
Wired remote:
Approx. 255 g (9 oz.)
Wireless remote:
Approx. 20 g (1 oz.)
Battery
Wireless remote:
Lithium battery (CR2025)
Supplied accessories
Disc magazine (1)
Parts for installation and
connections (1 set)
Design and specifications are subject to change
without notice.
US Model
Canadian Model
CDX-434RF/530RF
AEP Model
UK Model
CDX-434RF
E Model
CDX-434RF/535RF
NEW
MG-251A-137
KSS-720A/K1NP
×
5
/
/
in.)
16
8
×
5
/
/
in.) (w/h/d)
16
8
× 3
1
/
in.)
32
2

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Summary of Contents for Sony CDX-434RF

  • Page 1 CDX-434RF/535RF Photo: CDX-535RF Model Name Using Similar Mechanism CD Drive Mechanism Type MG-251A-137 Optical Pick-up Name KSS-720A/K1NP SPECIFICATIONS Wired remote (RM-X88) (CDX-434RF) CD changer Approx. 122 × 36.5 × System Compact disc digital audio Dimensions system 15.5 mm × 1 ×...
  • Page 2: Table Of Contents

    OPERATION. REPLACE THESE COMPONENTS WITH DE FONCTIONNEMENT. NE REMPLACER CES COM- SONY PARTS WHOSE PART NUMBERS APPEAR AS POSANTS QUE PAR DES PIÈCES SONY DONT LES SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- NUMÉROS SONT DONNÉS DANS CE MANUEL OU LISHED BY SONY.
  • Page 3: Servicing Notes

    SECTION 1 SERVICING NOTES DISC MAGAZINE GETTING OUT PROCEDURE NOTES ON HANDLING THE OPTICAL PICK- ON THE POWER SUPPLY IS OFF UP BLOCK OR BASE UNIT Remove the COVER (LOWER.T) ass’y beforehand The laser diode in the optical pick-up block may suffer electro- static breakdown because of the potential difference generated by 1) Press the lever (ML.S) to arrow direction.
  • Page 4: General

    SECTION 2 This section is extracted from instruction manual. GENERAL Location and function of controls (CDX-434RF) Nomenclature (CDX-434RF) Wired remote (RM-X88)/Télécommande à fil (RM-X88) 1 DISC (disc select) buttons 7 MHz (frequency) indication 1 Touches DISC (sélection de disques) 7 Indication MHz (fréquence)
  • Page 5 Installing the battery Installation de la pile (CDX-530RF/535RF) (CDX-530RF/535RF) Replace the battery with a Sony CR2025 or Remplacez la pile par une pile au lithium CR2025 Sony ou DL-2025 Duracell. L’utilisation d’une Duracell DL-2025 lithium battery. Use of another battery may present a risk of fire or explosion.
  • Page 6: Notes On Compact Discs

    Face imprimée vers le haut Avec le côté portant la flèche orienté • To listen to an 8 cm (3 in.) CD, use the optional Sony CD adaptor vers le haut CSA-8. Be sure to always use the specified adaptor, as failing to do so may cause a malfunction of the unit.
  • Page 7 Operation (CDX-434RF) Fonctionnement (CDX-434RF) Precautions Précautions •This unit cannot be used with a car audio without an FM tuner. •Cet appareil ne peut être utilisé avec un autoradio sans syntoniseur FM. •If your car was parked in direct sunlight resulting in a considerable rise in temperature inside the car, •Si votre voiture est parquée en plein soleil, provoquant ainsi une augmentation considérable de la...
  • Page 8: Resetting The Unit

    Operation (CDX-530RF/535RF) Fonctionnement (CDX-530RF/535RF) Precautions Précautions • This unit cannot be used with a car audio without FM tuner. • Cet appareil ne peut être utilisé avec un autoradio sans syntoniseur FM. • If your car was parked in direct sunlight resulting in a considerable rise in temperature inside the car, allow the unit to •...
  • Page 9: Changing The Output Level

    Press repeatedly to select the Press (SHUF/REP) for two seconds. Appuyez plusieurs fois sur pour Appuyez sur (SHUF/REP) pendant deux secondes. sélectionner la fréquence. frequency. Press (SHUF/REP) momentarily. Appuyez brièvement sur (SHUF/REP). Each time you press , the frequency Chaque fois que vous appuyez sur , les fréquences changent comme suit: change as follows: Réglage initial...
  • Page 10: Installation

    Installation Installation How to install the CD changer Installation du changeur de CD •When you install the CD changer, be careful not to damage wiring or equipment on the other side of the •Quand vous installez le changeur de CD, veillez à ne pas endommager les câbles ou les instruments qui mounting surface.
  • Page 11: Connections

    Connections Connexions Caution Précautions •This unit is designed for negative ground 12 V •Be sure to connect the red power input lead to the •Cet appareil est uniquement conçu pour •Veillez à raccorder le fil rouge d‘entrée DC operation only. positive 12 V power terminal which is powered fonctionner sur 12 V CC avec une masse d‘alimentation à...
  • Page 12 Wired remote (RM-X87)/Télécommande à fil (RM-X87) Wired remote (RM-X88)/Télécommande à fil (RM-X88) (CDX-530RF/535RF) (CDX-434RF) DISC +/– DISC +/– SHUF/REP Note Remarque The supplied wireless remote (RM-X89) can be La télécommande sans fil fournie (RM-X89) se SHUF/REP operated almost like the wired remote (RM-X87).
  • Page 13: Disassembly

    SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. COVER (UPPER T), FRONT PANEL ASS’Y 1 screw (PTT2.6 × 6) 1 screw (PTT2.6 × 6) 3 lever (FLT) 2 cover (upper T) 1 screw (PTT2.6 × 6) 3 lever (FLT) 1 screw (PTT2.6 ×...
  • Page 14 FM BOARD 4 cover (FM) 2 screw (PCB FM) 1 screw (BVTT2.6 × 6) 5 FM board 3 cover (FM connector.T) MAIN BOARD, SLIDE VARIABLE RESISTOR (ELEVATOR HEIGHT SENSOR ) (RV202) 1 main flexible board (CNJ101) 5 two screws (FP) 6 screw 7 main board (PTT2 ×...
  • Page 15 ELJ MOTOR ASS’Y (ELEVATOR) (M104) 1 screw (PTT2 × 4) 2 bracket (EVM.S) 3 ELJ motor ass’y (elevator) (M104) ESCUTCHEON (T) 3 two claws 2 Remove the claw in the direction of the arrow A. 4 Remove the ditch in the direction of the arrow B. 5 Remove the escutcheon (T) in the direction of the arrow C.
  • Page 16 CHASSIS (U.S) SUB ASS’Y 3 Remove the edge in the direction 1 three screws of the arrow A. (PTT2 × 4) 1 two screws (PTT2 × 4) 4 Remove the chassis (U.S) sub ass’y in the direction of the arrow B. 1 screw (PTT2 ×...
  • Page 17 RF BOARD 3 two screws (PS2 × 4) 4 RF board 3 two screws (PS2 × 4) 2 Remove four solders of the LSW board leads and spindle motor leads (M102). 2 Remove two solders of the sled motor leads 1 OP flexible board (CN102).
  • Page 18 LSW BOARD, SPINDLE MOTOR (S) SUB ASS’Y (M102) 8 two precision screws (P1.7 × 2.2) 3 spring (chucking) 6 retainer (disc) 1 precision screw (P2 × 2.5) 4 precision screw (P2 × 2.2) 5 bracket (CP) 2 LSW board 9 Remove the spindle motor (S) sub ass’y (M102) in the direction of the arrow.
  • Page 19: Mechanism Deck Assembly

    SECTION 4 MECHANISM DECK ASSEMBLY Note: Follow the assembly procedure in the numerical order given. OPTICAL PICK-UP COMPLETE ASS’Y 1 Move the lever (LOCK 3A) in the direction of the arrow A, and return it a little in the direction of the arrow B from the position where the chuck plate is moved chuck plate down to the lower limit.
  • Page 20 OPERATION CHECK 1 Confirm that the slider moves in the direction of the arrow C to move down the chuck plate if the gear (LOAD 1) is rotated in the direction of the arrow A or the chuck plate moves up and the slider moves in the direc- tion of the arrow D if the gear is rotated in the direction of the arrow B .
  • Page 21: Mechanical Adjustment

    7. After adjustment at addresses 5 to 6 is finished, check all op- erations from addresses 1 to 10 with the set placed vertically and horizontally respectively to confirm that the elevator shaft CDX-434RF/530RF/535RF positions in a range between comb teeth A to B. comb tooth at address 6...
  • Page 22: Electrical Check

    SECTION 6 ELECTRICAL CHECK Note: • TRACKING OFFSET CHECK Power supply voltage: DC14.4 V (more than 3 A). – RF BOARD – • FOCUS BIAS CHECK (Component Side) – RF BOARD – (Component Side) oscilloscope oscilloscope – TP (VC) – IC101 TP (VC) IC101...
  • Page 23: Diagrams

    CDX-434RF/530RF/535RF SECTION 7 DIAGRAMS 7-1. BLOCK DIAGRAM – RF SERVO Section – FILTER 63 66 65 RF AMP, FOCUS/TRACKING ERROR AMP EMPHI IC101 AOUT2 AIN2 LOUT L, R DETECTOR SERIAL PCMD PCMDI DIGITAL FILTER, LOW-PASS GND-ISOLATION & LRCK NOISE SHAPER...
  • Page 24: Block Diagram - Main Section

    CDX-434RF/530RF/535RF 7-2. BLOCK DIAGRAM – MAIN Section – IC701 RV702 CN703 DEVIATION OUTPUT L, R L IN GAMMA BUFFER BUFFER Q701 RF AMP (Page 23) Q702, 703 R IN GAMMA IC781 FMIN BUFFER, AMP Q781, 782 RV701 TRANSMITTER L/R BALANCE...
  • Page 25: Note For Printed Wiring Boards And Schematic Diagrams

    • Circuit Boards Location 7-3. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Boards: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF •...
  • Page 26: Printed Wiring Boards - Rf Section

    CDX-434RF/530RF/535RF 7-4. PRINTED WIRING BOARDS – RF Section – • See page 25 for Circuit Boards Location. (Page 28) • Semiconductor Location Ref. No. Location IC101 IC201 Q101...
  • Page 27: Schematic Diagram - Rf Section

    CDX-434RF/530RF/535RF 7-5. SCHEMATIC DIAGRAM – RF Section – • See page 36 for Waveforms. • See page 37 for IC Block Diagrams. (Page 30) The components identified by mark 0 or dotted Les composants identifiés par une marque 0 sont line with mark 0 are critical for safety.
  • Page 28: Printed Wiring Boards - Main Section (1/2)

    CDX-434RF/530RF/535RF 7-6. PRINTED WIRING BOARDS – MAIN Section (1/2) – • See page 25 for Circuit Boards Location. • Semiconductor Location Ref. No. Location (Page 26) D201 D202 D231 D306 D307 D308 D309 D310 D311 D312 D313 IC101 IC201 IC203...
  • Page 29: Printed Wiring Boards - Main Section (2/2)

    CDX-434RF/530RF/535RF 7-7. PRINTED WIRING BOARDS – MAIN Section (2/2) – • See page 25 for Circuit Boards Location. • Semiconductor Location Ref. No. Location IC304 IC305...
  • Page 30: Schematic Diagram - Main Section (1/2)

    CDX-434RF/530RF/535RF 7-8. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • • See page 36 for Waveforms. See page 37 for IC Block Diagram. (Page...
  • Page 31: Schematic Diagram - Main Section (2/2)

    CDX-434RF/530RF/535RF 7-9. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • • See page 36 for Waveforms. See page 37 for IC Block Diagrams. (Page 33)
  • Page 32: Printed Wiring Boards - Fm/Power Section

    CDX-434RF/530RF/535RF 7-10. PRINTED WIRING BOARDS – FM/POWER Section – • See page 25 for Circuit Boards Location. (Page 28) • Semiconductor • Semiconductor Location Location Ref. No. Location Ref. No. Location D310 D701 D301 D702 D302 D703 D311 D312 IC304...
  • Page 33: Schematic Diagram - Fm/Power Section

    CDX-434RF/530RF/535RF 7-11. SCHEMATIC DIAGRAM – FM/POWER Section – • See page 36 for Waveforms. • See page 37 for IC Block Diagrams. (Page 31)
  • Page 34: Ic Pin Function Description

    7-12. IC PIN FUNCTION DESCRIPTION • MAIN BOARD IC201 CXP740056-004R (SYSTEM CONTROLLER) Pin No. Pin Name Function Pin No. Pin Name Function 1 to 3 — Not used (open) MAGSW Magazine in/out detect switch input Not used (open) AMUTE Audio line muting on/off control signal output terminal “H”: muting on Chucking end detect switch (SW1) input terminal LOAD1 “L”: When completion of the disc chucking operation...
  • Page 35 *1 chucking motor (M103) control Mode LOAD STOP SAVE BRAKE Terminal CHUCKING CH.F (pin ua) “H” “H” “L” “L” CH.R (pin us) “H” “L” “H” “L” *2 elevator motor (M104) control Mode ELEVATOR ELEVATOR STOP BRAKE Terminal DOWN ELVF (pin uf) “H”...
  • Page 36 • Waveforms – RF Board – – MAIN Board – – FM Board – 1 IC101 qh (RFO) (play mode) 1 IC101 uj (LRCK), uk (LRCKI) 1 IC701 8 (38K) (play mode) (play mode) 1.4 ± 0.3 4.1 Vp-p Vp-p 5.6 Vp-p 26.3 µs 22.8 µs...
  • Page 37: Ic Block Diagrams

    • IC Block Diagrams – RF Board – IC101 CXA2596M-T6 24 VCC HOLD LC/PD LD ON AGCVTH APC LD HOLD SW APC PD AGCCONT RF BOT COMPARATOR RFTC COMPARATOR RF I RF SUMMING RF EQ FOCUS ERROR F I-V AMP TRACKING ERROR E I-V AMP...
  • Page 38: Main Board

    – MAIN Board – IC101 CXD2598Q 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 61 60 59 54 53 52 51 CLOCK GENERATOR BCKI ENPH EMPHI OP AMP ANALOG XVDD CONVERTER SWITCH SERIAL-IN DIGITAL...
  • Page 39 IC301 LB1930M-TLM IC304 NJM2395F08 IC305 NJM2395F05 BUFFER CONTROL OUT1 MOTOR CONTROL DRIVE CIRCUIT CIRCUIT OUT2 BUFFER S-GND P-GND – FM Board – IC701 BA1405F-E2 17 16 15 13 12 11 10 BUFFER BUFFER OSC 38kHz 5 6 7 8 IC781 BU2611AFS-E2 MAIN 1/16, PHASE DET,...
  • Page 40: Exploded Views

    SECTION 8 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark may have some difference from the original are seldom required for routine service.
  • Page 41 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-022-011-01 DAMPER (250T) * 18 3-022-008-52 COVER (UPPER T) (434RF/530RF) X-3378-122-1 COVER (LOWER. T) ASSY (434RF/530RF) * 18 3-022-008-62 COVER (UPPER T) (535RF) X-3378-123-1 COVER (LOWER. T) ASSY (535RF) * 19 A-3294-791-A MAIN BOARD, COMPLETE (530RF/535RF) 3-046-112-01 SPRING (GROUND)
  • Page 42 (2) MECHANISM DECK SECTION-1 (MG-251A-137) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3378-091-1 CHASSIS (U. S) SUB ASSY 3-011-997-01 SPRING (STOPPER. LOWER) 3-024-161-01 SPRING (SUT)
  • Page 43 (3) MECHANISM DECK SECTION-2 (MG-251A-137) M104 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-024-170-01 SPRING (SB), TENSION X-3378-092-1 CHASSIS (D. S) SUB ASSY * 102 3-040-790-01 BRACKET (EVM. S) M104 A-3301-123-A ELJ MOTOR ASSY (ELEVATOR)
  • Page 44 (4) MECHANISM DECK SECTION-3 (MG-251A-137) M103 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 151 3-024-150-01 RETAINER (CHM) 3-010-252-01 ROLLER (CRE) * 152 X-3378-080-1 BRACKET (CHM. D) ASSY 3-010-268-01 SPRING (DH), TENSION 3-010-270-01 COVER (CHM) * 161 A-3290-194-K MAIN ASSY, CHASSIS (EVY) 3-321-813-01 WASHER, COTTER POLYETHYLENE...
  • Page 45 (5) MECHANISM DECK SECTION-4 (MG-251A-137) not supplied M102 not supplied M101 The components identified by Les composants identifiés par une mark 0 or dotted line with marque 0 sont critiques pour la mark 0 are critical for safety. sécurité. Replace only with part num- Ne les remplacer que par une pièce ber specified.
  • Page 46: Electrical Parts List

    SECTION 9 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark are seldom required for routine service. parts list may be different from the parts speci- 0 are critical for safety.
  • Page 47 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q703 8-729-804-72 TRANSISTOR 2SC2814-F4 < VIBRATOR > Q781 8-729-120-28 TRANSISTOR 2SC2412K-T-146-Q Q782 8-729-120-28 TRANSISTOR 2SC2412K-T-146-Q X701 1-567-093-00 VIBRATOR, CRYSTAL (38kHz) X781 1-760-838-21 VIBRATOR, CRYSTAL (7.2MHz) < RESISTOR > ************************************************************** R301 1-216-057-00 METAL CHIP...
  • Page 48 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C314 1-164-156-11 CERAMIC CHIP 0.1uF < RESISTOR > C315 1-115-466-00 ELECT 1000uF R101 1-216-833-11 RES-CHIP 1/16W C316 1-126-382-11 ELECT 100uF R111 1-216-833-11 RES-CHIP 1/16W C317 1-164-156-11 CERAMIC CHIP 0.1uF R112 1-216-845-11 METAL CHIP...
  • Page 49 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R413 1-216-845-11 METAL CHIP 100K 1/16W R102 1-216-847-11 METAL CHIP 150K 1/16W R414 1-216-845-11 METAL CHIP 100K 1/16W R103 1-216-864-11 METAL CHIP 1/16W R104 1-216-158-00 RES-CHIP 1/8W R415 1-216-864-11 METAL CHIP 1/16W...
  • Page 50 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-792-596-11 CABLE (WITH CONNECTOR) (for RM-X87/X88) 3-867-770-11 MANUAL, INSTRUCTION, INSTALL (ENGLISH, 0 205 8-820-103-03 OPTICAL PICK-UP KSS-720A/K1RP SPANISH, CHINESE) (535RF) 1-676-341-11 OP FLEXIBLE BOARD 9-939-196-01 HOLDER, BATTERY (for RM-X89) 1-532-798-11 FUSE (BLADE TYPE) (AUTO FUSE) (1A/32V) (530RF/535RF) 1-532-731-11 FUSE (BLADE TYPE) (AUTO FUSE) (3A/32V)
  • Page 51 MEMO...
  • Page 52 CDX-434RF/530RF/535RF Sony Corporation 9-870-049-11 2000A0574-1 Mobile Electronics Division Company Printed in Japan C 2000. 1 Published by General Engineering Dept.

This manual is also suitable for:

Cdx-535rfCdx-530rf

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