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Sony CDX-616 Service Manual
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Sony CDX-616 Service Manual

Sony CDX-616 Service Manual

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SERVICE MANUAL
REVISED
Discard the SERVICE MANUAL (No. 9-926-404-11)
previously issued.
MICROFILM
Model Name Using Similar Mechanism
CD Drive Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
COMPACT DISC CHANGER
CDX-616
AEP Model
UK Model
CDX-605
MG-250C-137
KSS-521A/J2N

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Summary of Contents for Sony CDX-616

  • Page 1 CDX-616 SERVICE MANUAL AEP Model UK Model REVISED Discard the SERVICE MANUAL (No. 9-926-404-11) previously issued. Model Name Using Similar Mechanism CDX-605 CD Drive Mechanism Type MG-250C-137 Optical Pick-up Name KSS-521A/J2N SPECIFICATIONS COMPACT DISC CHANGER MICROFILM...

  • 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- LISHED BY SONY.

  • Page 3: Servicing Notes

    SECTION 1 SECTION 2 This section is extracted from instruction manual. SERVICING NOTES GENERAL DISC MAGAZINE GETTING OUT PROCEDURE NOTES ON HANDLING THE OPTICAL PICK- ON THE POWER SUPPLY IS OFF UP BLOCK OR BASE UNIT Remove the CASE (LOWER) assembly 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) assy to arrow direction.
  • Page 4 – 5 – – 6 –...

  • Page 5: 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 (FLT) 1 screw 1 screw (PTT2.6 ×...
  • Page 6 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 7 ELEVATOR MOTOR ASS’Y (M104) 1 screw (PTT2 × 3) 2 bracket (EVM) 3 elevator motor ass’y (M104) 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 8 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 9 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, 53) SLED MOTOR ASS’Y (M102), OPTICAL PICK-UP (KSS-521A/J2N) 1 two screws 2 sled motor ass’y (ESCUTCHEON) (M102)
  • Page 10 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 11: 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 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 12 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 13: 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 CDX-616 and horizontally respectively to confirm that the elevator shaft positions in a range between comb teeth A to B.

  • Page 14: Electrical Adjustments

    SECTION 6 ELECTRICAL ADJUSTMENTS Note: • TRACKING OFFSET CHECK 1. Perform adjustments as given. 2. Power supply voltage: DC14.4 V (more than 3A). [RF BOARD] – Conductor Side – oscilloscope • FOCUS BIAS CHECK CNJ12 [RF BOARD] – Conductor Side – –...
  • Page 15 • 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 16: Diagrams

    CDX-616 SECTION 7 DIAGRAMS 7-1. BLOCK DIAGRAM – SERVO/DA CONVERTER Section – • SIGNAL PATH : CD PLAY D.OUT DIGITAL DIGITAL SIGNAL PROCESSOR, FILTER CLV SERVO IC101 PD1 I-V AMP PCMD PCMD BCKO LRCK LRCK DETECTOR ASYMMETRY SUMMING DIGITAL PLL...

  • Page 17: Block Diagram - Cd Text Decoder/Bus Control/Power Supply Section

    CDX-616 7-2. BLOCK DIAGRAM – CD TEXT DECODER/BUS CONTROL/POWER SUPPLY Section – SYSTEM CONTROLLER CD TEXT DECODER BUS INTERFACE IC201 (2/2) CN901 (2/2) IC501 (FOR SONY BUS) CONTROL IC302 (FOR SONY BUS) WFCK (Page 20) WFCK DATA DATA CCLK CCLK...

  • Page 18: Note For Printed Wiring Boards And Schematic Diagrams

    7-3. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Printed Wiring Board: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. pF: µµF • Y : parts extracted from the conductor side. 50 WV or less are not indicated except for electrolytics •...

  • Page 19: Printed Wiring Boards - Rf/Sw Boards

    CDX-616 7-4. PRINTED WIRING BOARDS – RF/SW Boards – • Semiconductor Location Ref. No. Location IC11 IC51 IC52 (Page 30) – 25 – – 26 –...

  • Page 20: Schematic Diagram - Rf/Sw Boards

    CDX-616 7-5. SCHEMATIC DIAGRAM – RF/SW Boards – • • See page 39 for Waveforms. See page 41 for IC Block Diagrams. (Page 33) The components identified by mark ! or dotted line with mark ! are critical for safety.

  • Page 21: Printed Wiring Board - Main Board (Component Side)

    CDX-616 7-6. PRINTED WIRING BOARD – MAIN Board (Component Side) – • Semiconductor Location (Component Side) Ref. No. Location D301 D302 D303 D304 D305 D306 D307 D308 D309 D311 D312 D313 D314 D320 D501 D601 D602 IC101 IC201 IC301 IC302...

  • Page 22: Printed Wiring Board - Main Board (Conductor Side)

    CDX-616 7-7. PRINTED WIRING BOARD – MAIN Board (Conductor Side) – • Semiconductor Location (Conductor Side) Ref. No. Location Q307 Q309 – 31 – – 32 –...

  • Page 23: Schematic Diagram - Main Board (1/2)

    CDX-616 7-8. SCHEMATIC DIAGRAM – MAIN Board (1/2) – • See page 39 for Waveforms. • See page 42 for IC Block Diagrams. (Page – 33 – – 34 –...
  • Page 24 CDX-616 7-9. SCHEMATIC DIAGRAM – MAIN Board (2/2) – • See page 40 for Waveforms. • See page 43 for IC Block Diagrams. (Page – 35 – – 36 –...

  • Page 25: Printed Wiring Board - Jack Board

    CDX-616 7-10. PRINTED WIRING BOARD – JACK Board – 7-11. SCHEMATIC DIAGRAM – JACK Board – (Page 36) – 37 – – 38 –...
  • Page 26 • Waveforms – RF Board – – MAIN Board (1/2) – 1 IC11 #£ (RF O) 1 IC101 @¶ (MDP) 6 IC101 *ª (XTAI) 500 mV/DIV, 500 ns/DIV 2.5 Vp-p 1.4 Vp-p 6.2 Vp-p 7.6 µ s 59.4 ns 2 IC11 2 (FEI) 2 IC101 #§...
  • Page 27 – MAIN Board (2/2) – 8 IC501 @ª (EXTAL) !£ IC601 @¢ (LRCK) 5.6 Vp-p 3.1 Vp-p 22.7 µ s 100 ns 9 IC501 &¶ (WFCK) 5.8 Vp-p 136 µ s !º IC601 !£ (MCK) 5.8 Vp-p 59.4 ns !¡ IC601 !∞ (XI) 2.5 Vp-p 59.4 ns !™...
  • Page 28 • IC Block Diagrams – RF Board – IC11 CXA1992BR 33 32 31 30 PD 2 PD 1 I-V AMP I-V AMP RF SUMMING FOCUS OK COMPARATOR LASER POWER CONTROL IFB1 – IFB6 PEAK/BOTTOM MIRR HOLD COMPARATOR ↓ PEAK/BOTTOM DEFECT BIAS HOLD FOCUS BIAS...
  • Page 29 IC52 BA6287F-T1 OUT1 OUT2 DRIVER DRIVER VREF CONTROL LOGIC POWER SAVE – MAIN Board – 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 30 IC301 BA6287F-T1 IC302 BA8272F-E2 OUT1 OUT2 RESET SWITCH DRIVER DRIVER VREF CONTROL LOGIC POWER SAVE IC502 KM62256DLG-7LT IC601 TC9464FN-EL 28 VCC 14 13 MICROCOMPUTER INTERFACE 26 A13 INTERFACE CIRCUIT 25 A8 CIRCUIT MEMORY LEVEL BUFFER MATRIX 23 A11 SHIFT DECODER 512X512 DIGITAL FILTER CIRCUIT TIMING...

  • Page 31: Ic Pin Function Description

    ESPXLT ESP latch pulse signal output terminal “L” active Not used (open) System reset signal input from the SONY bus interface (IC302) and reset signal generator (IC304) “L”: reset For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”...
  • Page 32 C.OUT Track number count signal input from the CXA1992BR (IC11) BUS.ON Bus on/off control signal input from the SONY bus interface (IC302) “H”: bus on Not used (fixed at “L”) MGLK Magazine eject operation completion detect switch (SW201) input “L”: eject completed Motor drive signal (elevator up direction) output to the elevator motor drive (IC301) ELV.F...
  • Page 33 DATA0 to DATA7 Two-way data bus with the S-RAM (IC502) System reset signal input from the system controller (IC201), SONY bus interface (IC302) and reset signal generator (IC304) “L”: reset For several hundreds msec. after the power supply rises, “L” is input, then it changes to “H”...

  • Page 34: 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 35 (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) – 48 –...
  • Page 36 (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-3375-498-4 CHASSIS (D) SUB ASSY * 102 3-024-172-01 BRACKET (EVM) M104 A-3301-123-A ELJ MOTOR ASSY (ELEVATOR) – 49 –...
  • Page 37 (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-F 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 38 (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 39: Electrical Parts List

    SECTION 9 JACK MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark ! or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 40 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < DIODE > R110 1-216-073-00 METAL CHIP 1/10W D301 8-719-975-40 DIODE RB411D-T146 R111 1-216-049-11 RES, CHIP 1/10W D302 8-719-017-94 DIODE MA8180-TX R115 1-216-033-00 METAL CHIP 1/10W D303 8-719-017-94 DIODE MA8180-TX R116 1-216-033-00 METAL CHIP...
  • Page 41 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < VIBRATOR > * CNP52 1-580-055-21 PIN, CONNECTOR (SMD) 2P X201 1-767-261-21 VIBRATOR, CERAMIC (8MHz) * CNP53 1-580-055-21 PIN, CONNECTOR (SMD) 2P X501 1-767-510-11 VIBRATOR, CERAMIC (10MHz) X601 1-767-366-21 VIBRATOR, CERAMIC (16.9344MHz) <...
  • Page 42 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark PARTS FOR INSTALLATION AND CONNECTIONS 1-216-073-00 METAL CHIP 1/10W ************************************** 1-216-073-00 METAL CHIP 1/10W 1-216-073-00 METAL CHIP 1/10W 3-011-778-01 BRACKET (705T) * 502 X-3369-824-1 SCREW ASSY < VARIABLE RESISTOR > 1-590-874-11 CORD, CONNECTION (RCA PIN CORD 5.5m) 1-590-519-81 CORD (WITH CONNECTOR) RV14...
  • Page 43 CDX-616 Sony Corporation 99C097542-1 9-926-404-12 Personal & Mobile Communication Company Printed in Hungary © 1999. 1 – 56 – Published by Quality Assurance Dept.
  • Page 51 JACK MAIN 3. ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they When indicating parts by reference parts list may be different from the parts speci- are seldom required for routine service. number, please include the board.
  • Page 52 MAIN Ref. No. Ref. No. Part No. Part No. Description Description Remark Remark Ref. No. Ref. No. Part No. Part No. Description Description Remark Remark < CONNECTOR > R102 1-216-121-00 RES, CHIP 1/10W R103 1-216-113-00 METAL CHIP 470K 1/10W CN101 1-770-351-11 CONNECTOR, FPC 26P R104 1-216-061-00 RES, CHIP...
  • Page 53 MAIN Ref. No. Part No. Description Remark < SWITCH > SW201 1-771-540-11 SWITCH, PUSH (1 KEY) (MAGAZINE EJECT END DETECT) SW202 1-771-540-11 SWITCH, PUSH (1 KEY) (MAGAZINE IN/OUT DETECT) SW301 1-571-532-21 SWITCH, TACTIL (6) < VIBRATOR > X201 1-767-261-21 VIBRATOR, CERAMIC (8MHz) X501 1-767-510-11 VIBRATOR, CERAMIC (10MHz) X601...
  • Page 54 CDX-616 Sony Corporation 9-926-404-81 99F057542-1 Mobile Electronics Company Printed in Hungary © 1999. 6 Published by Quality Assurance Dept.
  • Page 55 CDX-616 AEP Model UK Model SERVICE MANUAL SUPPLEMENT-2 File this supplement with the service manual. Subject: Mechanism Deck Modification (MG-250D-137) (ECN-CSA00840) The mechanism deck was changed from MG-250C-137 to MG-250D-137. At the same time, MAIN and JACK boards were been changed.

  • Page 56: New/Former Discrimination

    NEW/FORMER DISCRIMINATION 7Y187A C: MG-250C-137 (Former type) D: MG-250D-137 (New type)

  • Page 57: Disassembly

    DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. MECHANISM DECK (MG-250D-137) 4 mechanism deck (MG-250D-137) 2 tension spring (FL) 2 tension spring (FL) 1 two dampers (250) firament tape 3 jack flexible board (CNJ901) 1 two dampers (250) MAIN BOARD 1 main flexible board (CNJ12)
  • Page 58 RF BOARD 1 OP flexible board 3 two screws (CNJ11) (PTT2 × 4) 3 two screws (PS2 × 4) 7 RF board 5 connector (CNP53) 2 Break the soldering 6 Break the soldering of lead. of motor (M102) lead. CHUCKING MOTOR ASS’Y (M103) 2 two screws (PTT2 ×...
  • Page 67 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. Some 0 are critical for safety.
  • Page 68 (2) MECHANISM DECK SECTION-1 (MG-250D-137) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3375-497-1 CHASSIS (U) SUB ASSY 3-011-997-01 SPRING (STOPPER. LOWER) 3-024-161-01 SPRING (SUT)
  • Page 69 (3) MECHANISM DECK SECTION-2 (MG-250D-137) M104 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-024-170-01 SPRING (SB), TENSION X-3378-136-1 CHASSIS (D.D) SUB ASSY * 102 3-024-172-01 BRACKET (EVM) M104 A-3301-123-A ELJ MOTOR ASSY (ELEVATOR)
  • Page 70 (4) MECHANISM DECK SECTION-3 (MG-250D-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-I MAIN ASSY, CHASSIS (EVY) 3-321-813-01 WASHER, COTTER POLYETHYLENE...
  • Page 71 (5) MECHANISM DECK SECTION-4 (MG-250D-137) not supplied M101 not supplied M102 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No.

  • Page 72: Electrical Parts List

    JACK MAIN ELECTRICAL PARTS LIST NOTE: • Items marked “*” are not stocked since they • Due to standardization, replacements in the The components identified by mark 0 or dotted line with mark parts list may be different from the parts speci- are seldom required for routine service.
  • Page 73 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D304 8-719-975-40 DIODE RB411D-T146 R116 1-216-033-00 METAL CHIP 1/10W D305 8-719-975-40 DIODE RB411D-T146 R117 1-216-033-00 METAL CHIP 1/10W R202 1-216-097-00 RES-CHIP 100K 1/10W D306 8-719-914-43 DIODE DAN202K-T-146 D307 8-719-069-56 DIODE UDZS-TE17-6.2B R203...
  • Page 74 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < TRANSISTOR > A-3317-993-A RF BOARD, COMPLETE 8-729-141-48 TRANSISTOR 2SB624T1-BV345 ****************** < CAPACITOR > < RESISTOR > 1-163-009-11 CERAMIC CHIP 0.001uF 1-218-348-11 RES-CHIP 110K 1/16W 1-113-500-11 TANTALUM CHIP 100uF 1-216-839-11 METAL CHIP 1/16W 1-163-038-00 CERAMIC CHIP...
  • Page 75 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < SWITCH > SW11 1-762-946-12 SWITCH, PUSH (1 KEY) (CHUCKING END DETECT) SW12 1-762-946-12 SWITCH, PUSH (1 KEY) (SAVE END DETECT) ************************************************************** 1-664-104-11 SW BOARD ********* < SWITCH > 1-529-565-11 SWITCH, PUSH (1 KEY) (LIMIT) ************************************************************** MISCELLANEOUS...
  • Page 76 CDX-616 Sony Corporation 9-926-404-84 2000A057542-1 Mobile Electronics Division Company Printed in Hungary C 2000. 1 Published by General Engineering Dept.

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