Sony CDX-605 Service Manual

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SERVICE MANUAL
MICROFILM
SPECIFICATIONS
System
Compact disc digital audio system
Frequency response
10 – 20,000 Hz
Wow and flutter
Below the measurable limit
Signal-to-noise ratio
94 dB
Outputs
BUS control output (8 pins)
Analog audio output (RCA pin)
Current drain
800 mA (during CD playback)
800 mA (during loading or ejecting a disc)
– 10 °C to + 55 °C (14 °F to 131 °F)
Operating temperature
Approx. 262 × 90 × 181.5 mm
Dimensions
(10
3
/
8
not incl. projecting parts and controls
Mass
Approx. 2.1 kg (4 lb 10 oz)
Power requirement
12 V DC car battery
(negative ground)
Supplied accessories
Disc magazine (1)
Parts for installation and connections
(1 set)
Design and specifications subject to change without notice.
CDX-605
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
× 3
× 7
5
/
1
/
in.) (w/h/d)
8
4
COMPACT DISC CHANGER
US Model
CDX-505RF
MG-250C-137
KSS-521A/J2N

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  Summary of Contents for Sony CDX-605

  • Page 1 CDX-605 SERVICE MANUAL US Model Model Name Using Similar Mechanism CDX-505RF CD Drive Mechanism Type MG-250C-137 Optical Pick-up Name KSS-521A/J2N SPECIFICATIONS System Compact disc digital audio system Frequency response 10 – 20,000 Hz Wow and flutter Below the measurable limit...
  • Page 2: Table Of Contents

    LINE WITH MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- Magazine ass’y LISHED BY SONY.
  • Page 3: General

    SECTION 2 This section is extracted from instruction manual. GENERAL – 3 – – 4 –...
  • Page 4: Disassembly

    SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. COVER (UPPER T), FRONT PANEL ASS’Y 1 screw 1 screw (PTT2.6 × 6) (PTT2.6 × 6) 2 cover (upper T) 3 lever (FL) 1 screw 1 screw (PTT2.6 ×...
  • Page 5 JACK BOARD Remove the jack board of the arrow. 1 ground point screw (PTT2.6 × 6) 2 jack board MAIN BOARD 1 main flexible board (CNJ12) 6 three screws (FP) 7 main board 2 connector (CNP301) 3 screw 5 two precision screws (PTT2 ×...
  • Page 6 ELEVATOR MOTOR ASS’Y (M104) 1 screw (PTT2 × 3) 2 bracket (ELV motor) 3 elevator motor ass’y ESCUTCHEON (T) 3 two claws 2 Remove the claw of the arrow A . 4 Remove the ditch of the arrow B . 5 Remove the escutcheon (T) of the arrow C .
  • Page 7 CASE (UPPER) ASS’Y 3 Remove the edge of the arrow A . 1 three screws (PTT2 × 4) 1 two screws (PTT2 × 4) 4 Remove the case (upper) ass’y of the arrow B . 1 screw (PTT2 × 4) CHASSIS ASS’Y 3 chassis ass’y 1 two polyethylene washers...
  • Page 8 RF BOARD 1 OP flexible board 2 two screws (CNJ11) (PS2 × 4) 2 two screws (PS2 × 4) 5 RF board 4 connector (CNP52) 4 two connectors (CNP11, 503) SLED MOTOR ASS’Y (M102), OPTICAL PICK-UP (KSS-521A/J2N) 1 two screws 2 sled motor ass’y (ESCUTCHEON) 3 optical pick-up...
  • Page 9 SW BOARD, SPINDLE MOTOR ASS’Y (M101) 8 two screws (P1.7 × 2.2) 3 spring (chucking) 6 retainer (disc) 1 screw (P2 × 2.2) 4 screw (P2 × 2.2) 5 bracket (CP) 9 Remove the spindle motor ass’y (M101) 2 SW board of the arrow.
  • Page 10: Mechanismdeck 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 3) in direction A , and return it a little in direction B from the position where the chuck plate is moved chuck plate down to the lower limit.
  • Page 11 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 12: Mechanical Adjustments

    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-605 positions in a range between comb teeth A to B. comb tooth at address 6...
  • Page 13: Electrical Adjustments

    SECTION 6 ELECTRICAL ADJUSTMENTS Note: • TRACKING OFFSET CHECK 1. Perform adjustments as given. 2. Be sure to use the disc “YEDS-18” parts code: 3-702-101-01, but [RF BOARD] – Conductor Side – only when indicated. oscilloscope 3. Power supply voltage: DC14.4 V (more than 3A). CNJ12 •...
  • Page 14 • FOCUS GAIN ADJUSTMENT • When gain is lowered... (COARSE ADJUSTMENT) The set does not play because of no focus operation. This adjustment is to be performed when replacing the following • When gain is highered... parts. Operation noise is heard due to a scratch or a dust, then opera- •...
  • Page 15: Diagrams

    CDX-605 SECTION 7 DIAGRAMS • Waveforms 7-1. NOTES FOR PRINTED WIRING BOARD AND SCHEMATIC DIAGRAM – RF Section – – MAIN Section – Note on Schematic Diagram: Note on Printed Wiring Board: • All capacitors are in µF unless otherwise noted. pF: µµF •...
  • Page 16: Printed Wiring Boards - Rf Section

    CDX-605 7-2. PRINTED WIRING BOARDS – RF Section – • Semiconductor Location Ref. No. Location IC11 IC51 IC52 (Page 24) – 19 – – 20 –...
  • Page 17: Schematic Diagram – Rf Section

    CDX-605 7-3. SCHEMATIC DIAGRAM – RF Section – • • See page 17 for Waveforms. See page 31 for IC Block Diagrams. (Page 27) – 21 – – 22 –...
  • Page 18: Printed Wiring Boards - Main/Jack Board (Component Side)

    CDX-605 7-4. PRINTED WIRING BOARDS – MAIN/JACK BOARD (Component side) – • Semiconductor Location Ref. No. Location D201 (Page 20) D202 D203 D204 D205 D206 D207 D301 D311 D501 D502 D503 D504 D505 IC101 D-11 IC102 IC202 IC204 IC301 IC302...
  • Page 19: Printed Wiring Boards - Main/Jack Board (Conductor Side)

    CDX-605 7-5. PRINTED WIRING BOARDS – MAIN/JACK BOARD (Conductor side) – • Semiconductor Location Ref. No. Location IC201 IC203 Q201 – 25 – – 26 –...
  • Page 20: Schematic Diagram – Main Section (1/2)

    CDX-605 7-6. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • • See page 17 for Waveforms. See page 31 for IC Block Diagrams. (Page 22) – 27 – – 28 –...
  • Page 21: Schematic Diagram – Main Section (2/2)

    CDX-605 7-7. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • • See page 17 for Waveforms. See page 31 for IC Block Diagrams. – 29 – – 30 –...
  • Page 22 CDX-605 • IC Block Diagrams IC52 BA6287F (RF BOARD) IC301 BA6287F (MAIN BOARD) IC11 CXA1992BR (RF BOARD) OUT1 – OUT2 RF SUMMING PD2 IV PD1 IV DRIVER DRIVER FE_BIAS SENS2 VREF CONTROL LOGIC ↓ SENS1 – LASER POWER CONTROL F IV AMP...
  • Page 23 IC102 SM5852FS-E2 (MAIN BOARD) IC204 BA8272F-E2 (MAIN BOARD) LRCI DB/DS INPUT BCKI MOD2 INTERFACE DIGITAL MOD1 SIGNAL PROCESSOR SYSTEM CLOCK RESET SWITCH LRCO SEQUENTIAL RSTN OUTPUT BCKO CONTROL INTERFACE TESTN DOUT MUTE MUTEN CONTROL MODE CONTROL IC401 TC9464FN-EL (MAIN BOARD) 14 13 MICROCOMPUTER INTERFACE...
  • Page 24: Ic Pin Function Description

    Sled limit in detect switch (SW1) input terminal LIM.SW “L”: When the optical pick-up is inner position BUSON Bus on/off control signal input from the SONY bus interface (IC204) “H”: bus on EJECT Eject switch (SW303) input terminal “H” active Save end detect switch (SW12) input terminal LOAD1 “L”: When completion of the disc chucking operation...
  • Page 25 Pin No. Pin Name Function Serial data output to the SONY bus interface (IC204) SQCLK Subcode Q data reading clock signal output to the CXD2530Q (IC101) SUBQ Subcode Q data input from the CXD2530Q (IC101) — Not used (open) —...
  • Page 26: 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 ! or dotted line with mark may have some difference from the original are seldom required for routine service.
  • Page 27 (2) MECHANISM DECK SECTION-1 (MG-250C-137) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3375-497-1 CHASSIS (U) SUB ASSY 4-965-759-01 WASHER, POLYETHYLENE 3-024-161-01 SPRING (SUT) 3-011-997-01 SPRING (STOPPER. LOWER) – 37 –...
  • Page 28 (3) MECHANISM DECK SECTION-2 (MG-250C-137) M104 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) – 38 –...
  • Page 29 (4) MECHANISM DECK SECTION-3 (MG-250C-137) 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) 3-010-254-01 SHAFT (ROTARY PREVENTION C) 3-321-813-01 WASHER, COTTER POLYETHYLENE...
  • Page 30 (5) MECHANISM DECK SECTION-4 (MG-250C-137) not supplied M101 not supplied M102 The components identified by mark ! or dotted line with mark ! are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No.
  • Page 31: Electrical Parts List

    1-124-589-11 ELECT 47uF C207 1-124-589-11 ELECT 47uF < CONNECTOR > C208 1-164-346-11 CERAMIC CHIP CN901 1-779-077-41 PLUG, CONNECTOR (SONY BUS, AUDIO OUT) C209 1-124-589-11 ELECT 47uF CNJ901 1-778-775-21 CONNECTOR, FPC 13P C210 1-125-701-11 DOUBLE LAYER 0.047F 5.5V C211 1-163-038-00 CERAMIC CHIP 0.1uF...
  • Page 32 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C806 1-164-161-11 CERAMIC CHIP 0.0022uF 10% 100V Q404 8-729-015-39 TRANSISTOR DTC323TK C807 1-163-009-11 CERAMIC CHIP 0.001uF C808 1-162-286-21 CERAMIC 220PF F < RESISTOR > C809 1-162-302-11 CERAMIC 0.0022uF 30% R101 1-216-119-00 METAL CHIP...
  • Page 33 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark SW303 1-571-532-21 SWITCH, TACTIL (6) CNP51 1-580-055-21 PIN, CONNECTOR 2P CNP52 1-580-055-21 PIN, CONNECTOR 2P < VIBRATOR > CNP53 1-580-055-21 PIN, CONNECTOR 2P X301 1-767-261-21 VIBRATOR, CERAMIC (8MHz) X401 1-767-511-11 VIBRATOR, CERAMIC (16.930MHz) <...
  • Page 34 CDX-605 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-216-085-00 METAL CHIP 1/10W PARTS FOR INSTALLATION AND CONNECTIONS ************************************** 1-216-073-00 METAL CHIP 1/10W 1-216-073-00 METAL CHIP 1/10W 3-022-693-01 BRACKET (705T) 1-216-073-00 METAL CHIP 1/10W * 502...