Sony CDX-705 Service Manual
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3 7 63 1515 0
SERVICE MANUAL
TE
L 13942296513
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: 780 nm
Emission Duration: Continuous
Laser out-put Power: Less than 44.6 µW*
* This output is the value measured at a distance of 200
mm from the objective lens surface on the Optical Pick-
up Block.
Frequency response 10-20,000 Hz
Wow and flutter
Below the measurable limit
Signal-to-noise ratio 94 dB
Outputs
BUS control output (8 PIN)
Analog audio output (RCA PIN)
Current drain
800 mA (during CD playback)
800 mA (during loading or ejecting a disc)
www
.
MICROFILM
http://www.xiaoyu163.com
CDX-705/EXCD-3
x
ao
u163
y
i
http://www.xiaoyu163.com
2 9
8
Photo: CDX-705
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
Q Q
3
6 7
1 3
1 5
SPECIFICATIONS
Operating temperature
Dimensions
Mass
Power requirement
Supplied accessories Disc magazine (1)
Design and specifications subject to change without notice.
COMPACT DISC CHANGER
co
.
9 4
2 8
US Model
Canadian Model
CDX-705/EXCD-3
AEP Model
UK Model
E Model
KSS-521A/J2RP
0 5
8
2 9
9 4
2 8
–10 ºC to +55 ºC
Approx. 262 × 90 × 181.5 mm
× 3
× 7
(10
3
/
5
/
1
/
in.) (w/h/d)
8
8
4
not incl. projecting parts and controls
Approx. 2.1 kg (4 lb. 10 oz.)
12 VDC car battery
(negative ground)
Parts for installation and connections (1 set)
m
9 9
CDX-705
NEW
MG-250A-137
9 9

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Summary of Contents for Sony CDX-705

  • Page 1 CDX-705/EXCD-3 SERVICE MANUAL US Model Canadian Model CDX-705/EXCD-3 AEP Model UK Model E Model CDX-705 Photo: CDX-705 Model Name Using Similar Mechanism CD Drive Mechanism Type MG-250A-137 Optical Pick-up Name KSS-521A/J2RP L 13942296513 SPECIFICATIONS System Compact disc digital audio system...
  • Page 2 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 3: Table Of Contents

    CDX-705/EXCD-3 3 7 63 1515 0 US Model Canadian Model SERVICE MANUAL CDX-705/EXCD-3 AEP Model UK Model E Model SUPPLEMENT-2 CDX-705 File this supplement with the service manual. Subject: 1. Installation 2. Mechanical Adjustments 3. Board Modification (ECN-CS701551) TABLE OF CONTENTS 1.
  • Page 4: Tel 13942296513 1. Installation

    http://www.xiaoyu163.com 3 7 63 1515 0 1. INSTALLATION Note: Follow the assembly procedure in the numerical order given. OPTICAL PICK-UP COMPLETE ASS’Y 1 Move the lever (LOCK 3) in direction A , and return it a little in direction B from the position where the chuck plate is moved down chuck plate to the lower limit.
  • Page 5 http://www.xiaoyu163.com 3 7 63 1515 0 OPERATION CHECK 1 Confirm that the slider moves in direction C to move down the chuck plate if the gear (LOAD 1) is rotated in direction A or the chuck plate moves up and the slider moves in direction D if the gear is rotated in direction B .
  • Page 6 http://www.xiaoyu163.com 3 7 63 1515 0 SLIDER (L) 1 Move the lever (STOP) ass’y in direction A until it gets stopped. 3 washer 2 slider (L) L 13942296513 SLIDER (R) 4 polyethyelene slider 1 slider (R) 3 washer 5 polyethyelene washer case (lower) ass’y 2 Engage the slots of slider (R) with the shafts.
  • Page 7 http://www.xiaoyu163.com 3 7 63 1515 0 ADJUSTING PHASE OF SLIDERS (L, R) 1 Sliding the sliders (L, R) in the arrow direction, meet holes a and b of the sliders (L, R) with holes c and d of the case (LOWER) ass’y.
  • Page 8: Mechanical Adjustments

    1 to 10 with the set placed vertically and horizontally respectively to confirm that the elevator shaft posi- tions in a range between comb teeth A to B. CDX-705/EXCD-3 L 13942296513 comb tooth at address 6 comb tooth at address 6...
  • Page 9: New/Former Discrimination

    http://www.xiaoyu163.com 3 7 63 1515 0 3. BOARD MODIFICATION 3-1. NEW/FORMER DISCRIMINATION [RF BOARD] – Conductor Side – [JACK BOARD] – Conductor Side – Former : 1-664-629-11 : 1-664-629-12 Former : 1-664-631-11 : 1-664-631-12, -13 [MAIN BOARD] – Component Side – L 13942296513 Former : 1-664-630-11 : 1-664-630-12, -13...
  • Page 10 0.1uF ******************** C302 1-163-038-00 CERAMIC CHIP 0.1uF 3-012-099-01 HOLDER (TR2) C303 1-126-513-11 ELECT 47uF 6.3V 3-016-116-01 TAPE (D), MOUNT (CDX-705: US, CND/EXCD-3) C304 1-163-038-00 CERAMIC CHIP 0.1uF < CAPACITOR > C305 1-163-038-00 CERAMIC CHIP 0.1uF C306 1-163-038-00 CERAMIC CHIP 0.1uF 1-162-302-11 CERAMIC 0.0022uF 30%...
  • Page 11 1-163-038-00 CERAMIC CHIP 0.1uF (CDX-705: US, CND/EXCD-3) C407 1-126-157-11 ELECT 10uF FB111 1-500-445-21 INDUCTOR C408 1-163-038-00 CERAMIC CHIP 0.1uF (CDX-705: AEP, UK, G, E, TW) C409 1-126-513-11 ELECT 47uF 6.3V C410 1-126-157-11 ELECT 10uF FB112 1-216-295-00 CONDUCTOR, CHIP (2012) FB401...
  • Page 12 4.7K 1/10W 1-107-826-11 CERAMIC CHIP 0.1uF R321 1-216-073-00 METAL CHIP 1/10W 1-164-232-11 CERAMIC CHIP 0.01uF (CDX-705: AEP, UK, G, E, TW) L 13942296513 R321 1-216-089-00 METAL GLAZE 1/10W 1-164-677-11 CERAMIC CHIP 0.033uF 10% (CDX-705: US, CND/EXCD-3) 1-164-245-11 CERAMIC CHIP 0.015uF 10%...
  • Page 13 CDX-705/EXCD-3 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-073-00 METAL CHIP 1/10W < CONNECTOR > 1-216-073-00 METAL CHIP 1/10W 1-216-073-00 METAL CHIP 1/10W CNJ11 1-778-776-21 CONNECTOR, FPC 17P 1-216-093-00 METAL CHIP...
  • Page 14 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 15 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 16 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 17 CDX-705/EXCD-3 3 7 63 1515 0 US Model Canadian Model SERVICE MANUAL CDX-705/EXCD-3 AEP Model UK Model E Model SUPPLEMENT-4 CDX-705 File this supplement with the service manual. Subject: Mechanism Deck Modification (MG-250C-137) (ENG-98014) The mechanism deck was changed from MG-250B-137 to MG-250C-137.
  • Page 18 http://www.xiaoyu163.com 3 7 63 1515 0 2. DIAGRAMS 2-1. NOTES FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Board: Note on Schematic Diagram: • Y : parts extracted from the conductor side. • All capacitors are in µF unless otherwise noted. pF: µµF 50 •...
  • Page 19 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 20 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 21 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 22 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 23 http://www.xiaoyu163.com 3 7 63 1515 0 3. EXPLODED VIEWS NOTE: • The mechanical parts with no reference num- • -XX and -X mean standardized parts, so they The components identified by mark ! or dotted line with mark may have some difference from the original ber in the exploded views are not supplied.
  • Page 24 http://www.xiaoyu163.com 3 7 63 1515 0 (3) MECHANISM DECK SECTION-2 (MG-250C-137) M104 L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-024-170-01 SPRING (SB), TENSION X-3375-498-1 CHASSIS (D) SUB ASSY * 102 3-024-172-01 BRACKET (EVM) M104 A-3301-123-A ELJ MOTOR ASSY (ELEVATOR) u163...
  • Page 25 http://www.xiaoyu163.com 3 7 63 1515 0 (4) MECHANISM DECK SECTION-3 (MG-250C-137) L 13942296513 M103 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 151 3-024-150-01 RETAINER (CHM) 3-010-268-01 SPRING (DH), TENSION * 152 X-3375-445-1 BRACKET (CHM) ASSY * 161 A-3290-194-D CHASSIS (EVY) (MAIN) ASSY 3-010-270-01 COVER (CHM)
  • Page 26 http://www.xiaoyu163.com 3 7 63 1515 0 (5) MECHANISM DECK SECTION-4 (MG-250C-137) not supplied L 13942296513 M101 not supplied M102 The components identified by Les composants identifiés par une mark ! or dotted line with marque ! sont critiques pour la mark ! are critical for safety.
  • Page 27 1-124-589-11 ELECT 47uF < CONNECTOR > C207 1-124-589-11 ELECT 47uF C208 1-164-346-11 CERAMIC CHIP CN901 1-779-077-21 PLUG, CONNECTOR (SONY BUS, AUDIO OUT) CNJ901 1-778-775-21 CONNECTOR, FPC 13P C209 1-124-589-11 ELECT 47uF L 13942296513 C210 1-125-701-11 DOUBLE LAYER 0.047F 5.5V < FERRITE BEAD >...
  • Page 28 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C502 1-163-029-11 CERAMIC CHIP 0.0047uF IC204 8-759-444-86 IC BA8272F-E2 C503 1-163-038-00 CERAMIC CHIP 0.1uF IC301 8-759-040-83 IC BA6287F C801 1-104-823-11 TANTAL. CHIP 47uF IC302 8-752-898-75 IC CXP84124-078Q...
  • Page 29 http://www.xiaoyu163.com MAIN 3 7 63 1515 0 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R401 1-216-033-00 METAL CHIP 1/10W R405 1-216-033-00 METAL CHIP 1/10W R406 1-216-033-00 METAL CHIP 1/10W R407 1-216-097-00 RES, CHIP 100K 1/10W R408 1-216-097-00 RES, CHIP 100K...
  • Page 30 CDX-705/EXCD-3 3 7 63 1515 0 L 13942296513 u163 Sony Corporation 98I0520-1 9-925-527-84 Personal & Mobile Communication Company Printed in Japan © 1998. 9 – 18 – Published by Quality Assurance Dept. http://www.xiaoyu163.com...
  • Page 31 SONY PARTS WHOSE PART NUMBERS APPEAR AS DE FONCTIONNEMENT. NE REMPLACER CES COM- u163 POSANTS QUE PAR DES PIÈCES SONY DONT LES SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY. NUMÉROS SONT DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
  • Page 32 http://www.xiaoyu163.com 3 7 63 1515 0 DISC MAGAZINE GETTING OUT PROCEDURE ON THE POWER SUPPLY IS OFF Remove the CASE (LOWER) assembly beforehand 1) Press the lever (stop) assy to arrow direction. 2) Removal the magazine assy. Note: Take out the magazine only when the tray is completely within the magazine.
  • Page 33 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 34 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 – 7 – http://www.xiaoyu163.com...
  • Page 35 http://www.xiaoyu163.com 3 7 63 1515 0 SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. COVER (UPPER), FRONT PANEL ASS’Y 1 screw 1 screw (PTT2.6 × 6) (PTT2.6 × 6) 3 lever (FL) 2 case (upper) 1 screw 1 screw (PTT2.6 ×...
  • Page 36 http://www.xiaoyu163.com 3 7 63 1515 0 JACK BOARD Remove the jack board of the arrow. 1 screw (BVTT2.6 × 5) 2 jack board L 13942296513 MAIN BOARD 1 main flexible board 6 three screws (CNJ12) (ground) 7 main board 2 connector (CNP301) 5 two screws 3 screw...
  • Page 37 http://www.xiaoyu163.com 3 7 63 1515 0 ELEVATOR MOTOR ASS’Y (M104) 1 screw (P2 × 2.2) 2 bracket (ELV motor) 3 elevator motor ass’y L 13942296513 ESCUTCHEON 3 two claws 2 Remove the claw of the arrow A . 4 Remove the ditch of the arrow B .
  • Page 38 http://www.xiaoyu163.com 3 7 63 1515 0 CASE (UPPER) ASS’Y 3 Remove the edge of the arrow A . 1 three screws (B2 × 3) 1 two screws (B 2 × 3) 4 Remove the case (upper) ass’y of the arrow B . 1 screw (B2 ×...
  • Page 39 http://www.xiaoyu163.com 3 7 63 1515 0 RF BOARD 2 two screws 1 OP flexible board (P2 × 2.5) (CNJ11) 3 two screws (P2 × 3) 4 RF board 5 connector (CNP52) 5 two connectors (CNP11, 503) L 13942296513 SLED MOTOR ASS’Y (M102), OPTICAL PICK-UP (KSS-521A/J2RP) 2 sled motor ass‘y 1 two screws (P2 ×...
  • Page 40 http://www.xiaoyu163.com 3 7 63 1515 0 SW BOARD, SPINDLE MOTOR ASS’Y (M101) 8 two screws (P1.7 × 2.2) 3 spring (chucking) 6 retainer (disc) 1 screw 4 screw (P2 × 2.2) (P2 × 2.2) 5 bracket (CP) 9 Remove the spindle motor ass‘y (M101) 2 SW board of the arrow.
  • Page 41 http://www.xiaoyu163.com 3 7 63 1515 0 SECTION 3 ELECTRICAL ADJUSTMENTS • • FOCUS GAIN ADJUSTMENT When gain is lowered... The set does not play because of no focus operation. (COARSE ADJUSTMENT) • When gain is highered... This adjustment is to be performed when replacing the following Operation noise is heard due to a scratch or a dust, then opera- parts.
  • Page 42 http://www.xiaoyu163.com 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 43 http://www.xiaoyu163.com 3 7 63 1515 0 • IC Block Diagrams IC101 CXD2530Q 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 LRCK WDCK ASYE...
  • Page 44 http://www.xiaoyu163.com 3 7 63 1515 0 IC301 BA6287F IC401 TC9404FN-EL OUT1 14 13 INTERFACE MICROCOMPUTER CIRCUIT INTERFACE CIRCUIT OUT2 DRIVER DRIVER DIGITAL FILTER CIRCUIT TIMING ATTENUATOR OPERATIONAL CIRCUIT GENERATOR DEEMPHASIS FILTER CIRCUIT VREF CONTROL LOGIC D-∆ MODULATION CIRCUIT POWER TEST OUTPUT OUTPUT SAVE...
  • Page 45 Pin No. Pin Name Function LIM.SW Input of limit switch BUSON Input of Bus on control signal from SONY bus interface (IC204) “H”: Bus on EJECT Input of EJECT key (SW303) “H”: Eject on LOAD 1 Input of LOAD OUT switch...
  • Page 46 http://www.xiaoyu163.com 3 7 63 1515 0 Pin No. Pin Name Function SQCLK Output of clock signal to CXD2530Q (IC101) SUBQ Input of subcode Q data signal from CXD2530Q (IC101) — — Not used — — Connected to the power supply MGLK Input of magazine eject completion detect switch (SW301) “L”: Eject completed...
  • Page 47: Exploded Views

    Part No. Description Remark 3-010-104-01 DAMPER (250) * 10 3-010-106-01 BUTTON (EJ) (6) 3-010-097-01 COVER (LOWER) (GOLD) (CDX-705) * 11 3-010-107-01 HEAT SINK 3-010-097-21 COVER (LOWER) (BLACK) (EXCD-3) 3-010-103-01 SPRING (FL) 1-664-628-11 JACK FLEXIBLE BOARD 3-010-101-01 LEVER (FL) (GOLD) (CDX-705)
  • Page 48 http://www.xiaoyu163.com 3 7 63 1515 0 (2) MECHANISM DECK SECTION-1 (MG-250A-137) L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-965-759-01 WASHER, POLYETHYLENE * 57 3-011-998-01 BRACKET (STOPPER UPPER) * 52 X-3373-239-1 SLIDER (R) ASSY * 58 3-010-240-01 SLIDER (L) 3-010-244-01 SPRING (STOPPER.
  • Page 49 http://www.xiaoyu163.com 3 7 63 1515 0 (3) MECHANISM DECK SECTION-2 (MG-250A-137) M104 L 13942296513 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 101 X-3373-223-1 CASE (LOWER) ASSY 3-010-175-01 GEAR (ELV 1) 3-010-266-01 SPRING (STOP LEVER), TENSION 3-010-239-01 GEAR (ELV 2) * 103 3-010-250-01 BRACKET (ELV MOTOR)
  • Page 50 http://www.xiaoyu163.com 3 7 63 1515 0 (4) MECHANISM DECK SECTION-3 (MG-250A-137) L 13942296513 M103 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 151 3-010-269-01 BRACKET (LOAD MOTOR) * 161 3-010-243-01 BRACKET (CP) * 152 X-3373-230-1 BASE (WORM) ASSY 3-736-073-01 SLIDER, POLYETHYLENE * 153 3-010-270-01 COVER (MOTOR L)
  • Page 51 http://www.xiaoyu163.com 3 7 63 1515 0 (5) MECHANISM DECK SECTION-4 (MG-250A-137) L 13942296513 M101 M102 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3373-229-1 BASE (SLED) ASSY 3-010-261-01 SHAFT (GUIDE S) ! 209 3-010-258-01 GEAR (SLED MID) 8-820-010-05 OPTICAL PICK-UP KSS-521A/J2RP 3-573-936-00 STOPPER, REEL 1-664-626-11 OP FLEXIBLE BOARD...
  • Page 52: Electrical Parts List

    47uF < CONNECTOR > C202 1-126-513-11 ELECT 47uF 6.3V C203 1-163-038-00 CERAMIC CHIP 0.1uF CN901 1-779-077-11 PLUG, CONNECTOR (SONY BUS/AUDIO OUT) L 13942296513 (CDX-705) C204 1-115-466-00 ELECT 1000uF 20% CN901 1-779-077-21 PLUG, CONNECTOR (SONY BUS/AUDIO OUT) C205 1-163-038-00 CERAMIC CHIP 0.1uF...
  • Page 53 http://www.xiaoyu163.com 3 7 63 1515 0 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C413 1-163-251-11 CERAMIC CHIP 100PF < TRANSISTOR > C414 1-163-251-11 CERAMIC CHIP 100PF C415 1-163-009-11 CERAMIC CHIP 0.001uF 10% Q201 8-729-016-83 TRANSISTOR 2SB1446 C501 1-163-009-11 CERAMIC CHIP 0.001uF 10%...
  • Page 54 http://www.xiaoyu163.com 3 7 63 1515 0 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R334 1-216-295-00 CONDUCTOR, CHIP (2012) 1-162-915-11 CERAMIC CHIP 10PF 0.5PF R335 1-216-295-00 CONDUCTOR, CHIP (2012) 1-162-970-11 CERAMIC CHIP 0.01uF R401 1-216-033-00 METAL CHIP 1/10W 1-110-563-11 CERAMIC CHIP 0.068uF 10%...
  • Page 55 1/10W 1-216-073-00 METAL CHIP 1/10W 3-859-228-11 MANUAL, INSTRUCTION 1-216-073-00 METAL CHIP 1/10W (ENGLISH, FRENCH, SPANISH, CHINESE) (CDX-705: US, Canadian, E) < VARIABLE RESISTOR > 3-859-228-21 MANUAL, INSTRUCTION (ENGLISH, SPANISH, SWEDISH, PORTUGUESE) RV14 1-225-206-11 RES, ADJ, CERMET 22K (CDX-705: AEP, UK) 3-859-228-31 MANUAL, INSTRUCTION <...
  • Page 56 3 7 63 1515 0 Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS ************************************** 3-011-778-01 BRACKET (705) (CDX-705) 3-011-778-11 BRACKET (705) (EXCD-3) * 502 X-3369-824-1 SCREW ASSY 7-682-962-01 SCREW +PSW 4X10 Not Supplied 1-590-874-11 CORD, CONNECTION (RCA PIN CORD 5.5m) 1-590-519-21 CORD (WITH CONNECTOR) (BUS CABLE 5.5m)

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