Sony MCE-CX80K Service Manual
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Sony MCE-CX80K Service Manual

Sony MCE-CX80K Service Manual

Video cd player
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SERVICE MANUAL
VIDEO CD player
Laser
Semiconductor laser (λ=780nm)
Emission duration: continuous
MAX 44.6 µ W
Laser output
* This output is the value measured at
Wavelength
780 - 790 nm
Signal format system
NTSC, PAL
20 Hz to 20 kHz ±1.0 dB
Frequency response
Outputs
Jack
Maximum
type
output
level
AUDIO OUT Phono
1.43 V
jacks
(at 50 kilohms)
VIDEO
Phono
1 Vp-p
jack
OUT
MCE-CX80K
SPECIFICATIONS
a distance of 200 mm from the
objective lens surface on the Optical
Pick-up Block with 7 mm aperture.
Load impedance
Over 10 kilohms
75 ohms, unbalanced,
sync negative
Model Name Using Similar Mechanism
CD Mechanism Type
Base Unit Name
Optical Pick-up Name
Inputs
Jack
Maximum
type
input
level
MIC 1,
Phone
100 mVp-p
MIC 2
jack
General
Power requirements
110 - 120 V or 220 - 240 V AC,
adjustable, 50/60 Hz
Power consumption
24 W
Dimensions (approx.)
430
110 398 mm
(w/h/d)
incl. projecting parts
Mass (approx.)
5.3 kg
Supplied accessories
Audio and video connecting cord (1)
Remote commander (remote) RMT-C98V (1)
Sony R6 (size AA) batteries (2)
Design and specifications are subject to change without notice.
VIDEO CD PLAYER
E Model
NEW
CDM59-5BD24
BU-5BD24
KSS-213B/S-N
Load impedance
600 ohms

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Summary of Contents for Sony MCE-CX80K

  • Page 1 AUDIO OUT Phono 1.43 V Over 10 kilohms Audio and video connecting cord (1) jacks (at 50 kilohms) Remote commander (remote) RMT-C98V (1) Sony R6 (size AA) batteries (2) VIDEO Phono 1 Vp-p 75 ohms, unbalanced, jack sync negative Design and specifications are subject to change without notice.

  • Page 2: Table Of Contents

    COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 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 PUBLISHED BY SONY.

  • Page 3: Servicing Notes

    SECTION 1 SERVICING NOTES SELF-DIAGNOSIS NOTES ON HANDLING THE OPTICAL PICK-UP This unit is equipped with a self-diagnosis function. BLOCK OR BASE UNIT The function is used for diagnosing the conditions of the circuits of The laser diode in the optical pick-up block may suffer electrostatic the VIDEO board.

  • Page 4: Test Mode

    SECTION 2 TEST MODE [VIDEO CD Color-bars Mode] On this mode, the data of the color-bars signal as a picture signal and the 1 kHz sine wave signal as a sound signal are output by the mechanism controller (IC502) for the video CD signal check. When measurement of the voltage and waveform on the VIDEO board, perform it in this mode.
  • Page 5 [Fluorescent Indicator Tube and Key Check Mode] Partial lighting 1 1. Short-circuit the SL501 on the VIDEO board. 2. Press the 1/u button to turn ON the power. The whole fluorescent indicator tube light up. 3. All buttons have individual button numbers. When a button is pressed, the button number is counted up and displayed.

  • Page 6: General

    SECTION 3 GENERAL !¡ wd ws 1 STANDBY indicator qf NEXT button 2 DISC 1-5 buttons qg PREV button 3 KARAOKE PON indicator qh MODE knob 4 2 DISC indicator qj EFFECT SOUND button 5 G SELECT button qk EFFECT PICTURE button 6 P button ql KEY CONTROL # button 7 x button...

  • Page 7: Disassembly

    SECTION 4 DISASSEMBLY Note : Follow the disassembly procedure in the numerical order given. 4-1. UPPER CASE, BOTTOM PLATE, FRONT PANEL 4 Cover (409537) 3 Two screws 2 Two screws (BVTP3 × 8) (case3 TP2) 1 Two screws (case3 TP2) 4-2.

  • Page 8: Disp, Swi, Vol And Karaoke Mic Boards

    4-3. DISP, SWI, VOL AND KARAOKE MIC BOARDS qd Two screws (BVTP3 × 8) qj KARAOKE MIC board qf Holder (PHONE PWB) 8 Two screws (BVTP3 × 8) qs Connector (CN702) 3 Ten screws (BVTP3 × 8) qg Two accessory plates 9 Two knob VOL qh Holder jack...

  • Page 9: Jack, Video And Main Boards

    4-5. JACK, VIDEO AND MAIN BOARDS qa Two screws 9 JACK board (PTTWH3 × 6) 0 Two screws (BVTP3 × 8) qd MAIN board 1 Wire (flat type) (9 core) (CN451) 7 Screw (BVTP3 × 8) 2 Wire (flat type) 8 Screw (13 core) (CN503) (BVTP3 ×...

  • Page 10: Tray, Belt (Rotary) And Sensor Board

    4-7. TABLE ASS’Y qa Clamp 8 Two screws (BTTP M2.6) qs Bracket (guide) q; Three screws (BTTP M2.6) 9 Bracket (guide 2) Gear (loading C) 4 Wire (flat type) (6 core) (CN15) 5 Table assy 6 Screw (BTTP M2.6) 2 Two screws 7 Bracket (guide) (BTTP M2.6) 1 Slide the tray until the screw...

  • Page 11: Belt (Loading)

    4-9. BELT (LOADING) AND LOADING MOTOR BOARD 3 Two screws (BTTP M2.6) 4 LOADING MOTOR board 1 Belt (loading) 2 Connector (CN13)

  • Page 12: Adjusting Phase Of

    4-10. ADJUSTING PHASE OF SWING GEAR AND GEAR (U/D) 5 Stopper washer (FR) 4 Push fully the shaft of shaft gear and align the hole shape of gear (loading B). 3 Let the swing gear through under the 6 Screw chassis and engage its dowel (PTPWH M2.6)

  • Page 13: Electrical Adjustments

    SECTION 5 ELECTRICAL ADJUSTMENTS RF signal waveform Adjustment Location: Adjustment Location: CD SECTION [BD BOARD] (SIDE B) [VIDEO BOARD] (Side B) Notes: VOLT/DIV: 200 mV TIME/DIV: 500 ns 1. CD block basically constructed to operate without adjustment. (with the 10: 1 probe Therefore, check each item in order given.

  • Page 14: Diagrams

    MCE-CX80K SECTION 6 DIAGRAMS 6-1. BLOCK DIAGRAM — SERVO SECTION — MCLK IC104 33.8MHz (Page 15) FILTER RF AMP, FOCUS/TRACKING ERROR AMP IC103 DETECTOR A+5V XTSL CTL1 CLOCK DIGITAL SIGNAL PROCESSOR GENERATOR IC101 (1/2) DATA, BCK, LRCK, C2PO DATA DATA...

  • Page 15: Audio/Video Section

    MCE-CX80K — AUDIO/VIDEO SECTION — (Page 14) DIGITAL FILTER, • SIGNAL PATH D/A CONVERTER : CD PLAY (AUDIO) IC509 : CD PLAY (VIDEO) MPEG VIDEO/AUDIO DECODER, DIGITAL • R-ch is omitted due to DA-DATA DATA VOUTL VIDEO SIGNAL PROCESSOR MPEG...

  • Page 16: Disp/Key Control/ Power Supply Section

    MCE-CX80K — DISP/KEY CONTROL / POWER SUPPLY SECTION — FLUORESCENT FLUORESCENT INDICATOR TUBE DRIVE INDICATOR TUBE IC801 FL801 DATA, CLK DATA (Page 15) SYSTEM CONTROLLER IC502 (3/3) REMOTE CONTROL REMOTE IN RECEIVER GRID DRIVE IC802 Q801 FL CS FL BLK...

  • Page 17: Circuit Boards Location

    6-2. CIRCUIT BOARDS LOCATION SENSOR board BD board LOADING MOTOR board JUNCTION board KARAOKE MIC board JACK board VOL board SWI board MAIN board DISP board VIDEO board NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS Note on Schematic Diagram: Note on Printed Wiring Boards: •...
  • Page 18 • Waveforms – BD Board – – VIDEO Board – 1 IC101 @§ (RFDC) 200 mV/DIV, 500 ns/DIV 6 IC101 $¶ (BCLK) 1 IC501 5 (LRCK) +0.25 Vp-p 5.2 Vp-p –0.20 5 Vp-p 22.8 µ s 474 ns !£ 2 IC501 2 IC101 @¶...
  • Page 19 6 IC505 3 (CD-BCK) !¡ IC505 (£ (PGIO2/VSYNC/CSYNC) !§ Q303, 304 (Base) 1.6 Vp-p 5.0 Vp-p 3.6 Vp-p 472 ns 20 ms 7 IC505 5 (CD-LRCK) !™ IC505 `⁄‚fl (VCK-IN) !¶ Q308 (Base) 2.1 Vp-p 4.0 Vp-p 5.0 Vp-p 22.8 µ s 36 ns !£...
  • Page 20 @¡ IC509 @º (384FSO) 6.0 Vp-p 59 ns @™ IC509 @¡ (768FSO) 6.6 Vp-p 30 ns @£ IC509 @¢ (XT2) 1.3 Vp-p 27 MHz...

  • Page 21: Printed Wiring Board - Video Section

    MCE-CX80K 6-3. PRINTED WIRING BOARD — VIDEO SECTION — • Refer to page 17 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. • Semiconductor Location (PAGE 29) Ref.

  • Page 22: Schematic Diagram - Video Section (1/2)

    MCE-CX80K 6-4. SCHEMATIC DIAGRAM — VIDEO SECTION (1/2) — • Refer to page 18 for Waveforms. • Refer to page 34 for IC Pin Function Description. (PAGE 26) (PAGE 24) A-2A1FP PIN FUNCTION (PAGE 26) (PAGE 26) COUT (PAGE 28)

  • Page 23: Schematic Diagram - Video Section (2/2)

    MCE-CX80K 6-5. SCHEMATIC DIAGRAM — VIDEO SECTION (2/2) — • Refer to page 18 for Waveforms. • Refer to page 37 for IC Pin Function Description. PIN FUNCTION...

  • Page 24: Schematic Diagram - Bd Section

    MCE-CX80K 6-6. SCHEMATIC DIAGRAM — BD SECTION — • Refer to page 18 for Waveforms. • Refer to page 32 for IC Block Diagrams. B S–N (PAGE 22) The components identified by mark ! or dotted line with mark ! are critical for safety.

  • Page 25: Printed Wiring Board - Bd Section

    MCE-CX80K 6-7. PRINTED WIRING BOARD — BD SECTION — • Refer to page 17 for Circuit Boards Location. • Semiconductor Location Ref. No. Location IC101 IC102 C-10 IC103 IC104 Q101 E-12 Q102 Q103 (PAGE 21)

  • Page 26: Schematic Diagram - Main Section

    MCE-CX80K 6-8. SCHEMATIC DIAGRAM — MAIN SECTION — • Refer to page 33 for IC Block Diagrams. (PAGE 28) (PAGE 22) (PAGE 22) VOLTAGE SELECTOR The components identified by mark ! or dotted line with mark ! are critical for safety.

  • Page 27: Printed Wiring Board - Main Section

    MCE-CX80K 6-9. PRINTED WIRING BOARD — MAIN SECTION — • Refer to page 17 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. • Semiconductor Location DISP Ref. No. Location...

  • Page 28: Schematic Diagram - Disp Section

    MCE-CX80K 6-10. SCHEMATIC DIAGRAM — DISP SECTION — • Refer to page 32 for IC Block Diagrams. (PAGE 26) (PAGE 26) (PAGE 22)

  • Page 29: Printed Wiring Board - Disp Section

    MCE-CX80K 6-11. PRINTED WIRING BOARD — DISP SECTION — • Refer to page 17 for Circuit Boards Location. There are a few cases that the part printed on this diagram isn’t mounted in this model. • Semiconductor DISP BOARD Location (FLOURESCENT INDICATOR TUBE) Ref.

  • Page 30: Printed Wiring Board

    MCE-CX80K • Refer to page 17 for Circuit Boards Location. 6-12. PRINTED WIRING BOARDS – JUNCTION/SENSOR/LOADING MOTOR Boards – MAIN BOARD (PAGE 27)

  • Page 31: Schematic Diagram

    MCE-CX80K 6-13. SCHEMATIC DIAGRAM – JUNCTION/SENSOR/LOADING MOTOR Boards – • Refer to page 17 for Circuit Boards Location. • Refer to page 33 for IC Block Diagrams. MAIN BOARD (PAGE 26)

  • Page 32: Ic Block Diagrams

    MCE-CX80K 6-14. IC BLOCK DIAGRAMS — BD BOARD — — KARAOKE MIC BOARD — IC101 CXD2545Q IC103 CXA1821M-T6 IC701 M65850FP 61—51 LD ON DA16 LC/PD APC LD AMP VREF EXCK OSCILLATOR LPF2 DA12 RF EQ AMP 1/2 VCC LRCK CLOCK...

  • Page 33: Main Board

    — MAIN BOARD — IC901 M5290P-16 FB– DELAY CURRENT CIRCUIT LIMITER VOLTAGE REFERENCE OVERHEAT CURRENT PROTECTION LIMITER ON/OFF CONTROL — JUNCTION BOARD — IC11 BA6780 VIN1 VIN2 FIN1 FIN2 RIN1 RIN2 IOUT VREF FBIN- VREG FBIN+ OUT1+ OUT2+ OUT2-...

  • Page 34: Ic Pin Function Descriptions

    6-15. IC PIN FUNCTION DESCRIPTIONS • VIDEO BOARD IC502 M30620MA-2A1FP (CD MECHANISM CONTROLLER) Pin No. Pin Name Function SENSE Internal status (SENSE) signal input from the CXD2545Q (IC101) SENSE CLK Sense serial data reading clock signal output to the CXD2545Q (IC101) DSP DATA Serial data output to the CXD2545Q (IC101) DSP LATCH...
  • Page 35 Pin No. Pin Name Function Vertical synchronized signal input from the MPEG video/audio decoder (IC505) “L” active BUS XWRL Not used (open) LOBOOST Low boost control signal output terminal AUDIO MUTE Audio muting on/off control signal output terminal “H”: muting on LOAD OUT Loading motor drive signal output LOAD IN...
  • Page 36 Pin No. Pin Name Function KEY4 Key input terminal (A/D input) Not used AVSS — Ground terminal (for A/D conversion) MODE. SW Mode switch input terminal S807 (MODE key input) VREF Reference voltage (+5V) input terminal (for A/D conversion) AVCC —...
  • Page 37 • VIDEO BOARD IC505 CL680T-D1 (MPEG VIDEO/AUDIO DECODER, VIDEO SIGNAL PROCESSOR) Pin No. Pin Name Function Not used (open) — Ground terminal CD-BCK CD decode bit clock signal (2.8224 MHz) input from the CXD2545Q (IC101) CD-DATA CD decode data input from the CXD2545Q (IC101) CD-LRCK CD decode L/R sampling clock signal (44.1 kHz) input from the CXD2545Q (IC101) CD-C2PO...
  • Page 38 Pin No. Pin Name Function RREF Fix the video signal output level control VREF Reference voltage (+1.235V) output terminal AVDD-DAC — Power supply terminal (+3.3V) (for D/A converter) C-OUT Chrominance video signal output terminal AGND-DAC — Ground terminal (for D/A converter) GCK (pin `⁄‚fi...
  • Page 39 Pin No. Pin Name Function VDD3 — Power supply terminal (+3.3V) HSEL Command selection signal input from the CD mechanism controller (IC502) CDG-SDATA Not used (fixed at “L”) CDG-VFSY Not used (fixed at “L”) CDG-S0S1 Not used (fixed at “L”) 125 to 128 Not used (open)

  • Page 40: Exploded Views

    SECTION 7 EXPLODED VIEWS NOTE: • -XX, -X mean standardized parts, so they may • Hardware (# mark) list and accessories and The components identified by mark 0 or have some differences from the original one. packing materials are given in the last of this dotted line with mark 0 are critical for safety.

  • Page 41: Front Panel Section

    4-224-862-21 BUTTON (DISC) 4-224-868-11 KNOB (AMS) 4-224-864-31 BUTTON (PLAY) 4-977-593-01 RING (DIA. 50), ORNAMENTAL 4-228-431-11 KNOB (VOL) * 55 4-978-398-21 CUSHION 4-951-620-01 SCREW (2.6X8), +BVTP 4-996-698-41 EMBLEM, SONY 4-230-246-01 HOLDER (PHONE PWB) 4-224-869-01 INDICATOR (PLAY) 1-773-121-11 WIRE(FLAT TYPE) (19 CORE)

  • Page 42: Chassis Section

    7-3. CHASSIS SECTION CDM59-5BD24 T901 not supplied JACK board (not supplied) not supplied not supplied not supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 3-703-249-01 SCREW, S TIGHT, +PTTWH 3 × 6 4-230-249-01 PANEL, BACK (EA) 4-230-249-11 PANEL, BACK (SP,MY) * 110 4-978-398-21 CUSHION...
  • Page 43 7-4. CD MECHANISM DECK SECTION-1 (CDM59-5BD24) not supplied supplied Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 1-676-245-11 SENSOR BOARD 4-224-616-01 GEAR (RM-M) 4-218-253-01 SCREW (M2.6), +BTTP 4-224-615-01 GEAR (RM-B) * 203 X-4947-960-1 ROLLER ASSY 4-225-328-01 BELT (ROTARY) 4-224-602-01 TABLE 4-224-603-01 TRAY 4-224-617-01 GEAR (RM-E)

  • Page 44: Cd Mechanism Deck Section-2

    7-5. CD MECHANISM DECK SECTION-2 (CDM59-5BD24) not supplied S200 not supplied BU-5BD24 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-985-672-01 SCREW (+PTPWH M2.6), FLOATING 3-016-533-21 WASHER (FR), STOPPER X-4952-312-1 HOLDER (BU) ASSY * 264 4-951-619-21 CUSHION (A) 4-959-996-21 SPRING (932), COMPRESSION 4-224-606-01 GEAR (RV) 4-225-885-01 BELT (LOADING)

  • Page 45: Base Unit Section (Bu-5Bd24)

    7-6. BASE UNIT SECTION (BU-5BD24) M101 M102 Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks 4-951-620-01 SCREW (2.6 × 8), +BVTP 4-917-564-01 GEAR (P), FLATNESS * 302 A-4724-434-A BD BOARD, COMPLETE ! 308 8-848-379-31 OPTICAL PICK-UP BLOCK KSS-213B/S-N 7-621-255-15 SCREW +P2 ×...

  • Page 46: Electrical Parts List

    SECTION 8 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • RESISTORS • SEMICONDUCTORS parts list may be different from the parts All resistors are in ohms. In each case, u: µ, for example: specified in the diagrams or the components METAL: metal-film resistor uA...: µA...
  • Page 47 DISP JACK JUNCTION Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R173 1-216-025-11 RES-CHIP 1/10W R831 1-216-075-00 METAL CHIP 1/10W R175 1-216-025-11 RES-CHIP 1/10W R832 1-216-035-00 METAL CHIP 1/10W R176 1-216-073-00 METAL CHIP 1/10W R833 1-216-062-00 METAL CHIP 3.6K 1/10W R177...
  • Page 48 JUNCTION KARAOKE MIC LOADING MOTOR Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > < IC > 1-249-429-11 CARBON 1/4W IC701 8-759-496-40 IC M65850FP 1-249-426-11 CARBON 5.6K 1/4W IC702 8-759-711-35 IC NJM4580D 1-249-425-11 CARBON 4.7K 1/4W F IC703...
  • Page 49 MAIN Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks A-4725-551-A MAIN BOARD, COMPLETE < DIODE > ********************* D901 8-719-210-33 DIODE EC10DS2TE12R 1-533-217-31 HOLDER, FUSE D902 8-719-210-33 DIODE EC10DS2TE12R D903 8-719-210-33 DIODE EC10DS2TE12R < CAPACITOR > D904 8-719-210-33 DIODE EC10DS2TE12R D905 8-719-210-33 DIODE EC10DS2TE12R...
  • Page 50 MAIN SENSOR VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks < RESISTOR > 1-676-245-11 SENSOR BOARD ************* R151 1-216-049-11 RES-CHIP 1/10W R152 1-216-069-00 METAL CHIP 6.8K 1/10W < CONNECTOR > R153 1-216-047-91 RES-CHIP 1/10W R154 1-216-049-11 RES-CHIP 1/10W CN10...
  • Page 51 VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks C202 1-163-143-00 CERAMIC CHIP 0.0012uF 5% C565 1-126-206-11 ELECT CHIP 100uF 6.3V C203 1-163-017-00 CERAMIC CHIP 0.0047uF 5% C566 1-165-319-11 CERAMIC CHIP 0.1uF C301 1-163-127-00 CERAMIC CHIP 270PF C568 1-126-206-11 ELECT CHIP...
  • Page 52 VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks Q308 8-729-024-91 TRANSISTOR 2SC2712-GL-TE85L R504 1-216-025-11 RES-CHIP 1/10W Q310 8-729-024-91 TRANSISTOR 2SC2712-GL-TE85L R505 1-216-025-11 RES-CHIP 1/10W Q452 8-729-024-91 TRANSISTOR 2SC2712-GL-TE85L R506 1-216-025-11 RES-CHIP 1/10W Q454 8-729-026-50 TRANSISTOR 2SA1037K-T-146-QR R507 1-216-073-00 METAL CHIP...
  • Page 53 VIDEO Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks R578 1-216-081-00 METAL CHIP 1/10W 0 115 1-575-651-21 CORD, POWER R579 1-216-073-00 METAL CHIP 1/10W 1-783-654-11 WIRE (FLAT TYPE) (16 CORE) R580 1-216-073-00 METAL CHIP 1/10W ! 308 8-848-379-31 OPTICAL PICK-UP BLOCK KSS-213B/S-N 1-471-061-11 MAGNET ASSY <...
  • Page 54 MCE-CX80K Sony Corporation 9-929-292-11 2000I16073-1D Audio Entertainment Group Printed in Japan ©2000.9 Published by General Engineering Dept.

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