Sony ZS-D50 Service Manual
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Sony ZS-D50 Service Manual

Sony ZS-D50 Service Manual

Personal audio system
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SERVICE MANUAL
Ver 1.1 2000.08
CD player Section
System
Compact disc digital audio system
Laser diode properties
Material: GaAlAs
Wave length: 780 nm
Emission duration : Continuous
Laser output : Less than 44.6 µW
(This output is the value measured at a distance of about 200
mm from the objective lens surface on the optical pick-up
block with 7 mm aperture.)
Spindle speed
200 r / min (rpm) to 500 r / min (rpm) (CLV)
Number of channels
2
Frequency response
20 - 20,000 Hz +1 / –1 dB
Wow and flutter
Below measurable limit
Radio section
Frequency range
FM
87.5 - 108 MHz
MW
531 - 1,602 kHz
LW
153 - 279 kHz
IF
FM : 10.7 MHz
MW / LW : 450 kHz
Aerials
FM : Telescopic aerial
MW / LW : Built-in ferrite bar aerial
MICROFILM
TAPE
Model Name Using Similar Mechanism
Section
Tape Transport Mechanism Type
Model Name Using Similar Mechanism
CD
MD Mechanism Type
Section
Optical Pick-up Type
SPECIFICATIONS
Cassette-corder Section
Recording System
4-track 2 channel stereo
Fast winding time
Approx. 130 s (sec.) with Sony cassette C-60
Frequency response
TYPE I (normal) : 50 - 15,000 Hz
General
Speaker
Full range : 8 cm (3
Input
LINE IN jack (stereo minijack)
Minimum input level 250 mV
Outputs
Headphones jack (stereo minijack)
For 16 - 68 ohms impedance headphones
LINE OUT jack (stereo minijack)
Rated output level 250 mV at load impedance 47 kilohms
OPTICAL DIGITAL OUT (CD) (optical output connector)
Wavelength : 630 - 690 nm
Maximum power outputs
4.5 W + 4.5 W
PERSONAL AUDIO SYSTEM
ZS-D50
AEP Model
UK Model
Tourist Model
NEW
MF-ZSD50
ZS-M7
CDM-2411AAA
DAX-11A
1
/
in.) dia., 3 ohms, cone type x 2
4
– Continued on page 2 –

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Summary of Contents for Sony ZS-D50

  • Page 1 Wave length: 780 nm Fast winding time Emission duration : Continuous Approx. 130 s (sec.) with Sony cassette C-60 Laser output : Less than 44.6 µW Frequency response (This output is the value measured at a distance of about 200...

  • Page 2: Table Of Contents

    AC 27 W Battery life For personal audio system FM recording Sony R20P : approx. 6 h Sony alkaline LR20 : approx. 12 h Tape playback Sony R20P : approx. 3 h Sony alkaline LR20 : approx. 6 h CD playback Sony R20P : approx.

  • Page 3: Service Note

    30 cm away from the objective lens. 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 LASER DIODE AND FOCUS SEARCH OPERATION SUPPLEMENTS PUBLISHED BY SONY.

  • Page 4: General

    SECTION 2 GENERAL LOCATION AND FUNCTION OF CONTROLS FRONT PANEL : CD/RADIO/TAPE section 1 Tape operation buttons 6 EDIT button !¡ Radio operation buttons 7 CANCEL button r/P (REC/REC PAUSE) RADIO BAND 8 6 CD OPEN/CLOSE button 0, ) (FF/REW, AMS) PRESET +, –...
  • Page 5 REAR PANEL #¡ Battery compartment #™ FM telescopic antenna #£ LINE IN jack #¢ LINE OUT jack #∞ OPTICAL DIGITAL OUT(CD) jack #§ AC IN ⁄ jack #¶ OPTICAL DIGITAL OUT(CD) jack cover socket Remote commander 1 FUNCTION button Each time you pressed, the function changes in the order CD –...

  • Page 6: Disassembly

    SECTION 3 DISASSEMBLY The equipment can be remo ved using the f ollo wing pr ocedure . < MAIN BLOCK SECTION > Cabinet, Rear Inlet board, Power board Battery (R) board, Battery (L) board Cabinet (Upper) ASSY Switch (1) board Mechanism deck Line board Cabinet sub...

  • Page 7: Inlet Board, Power Board

    3-2. INLET BOARD, POWER BOARD Inlet board 1 Screws (+BV 3X10) Power board 3 Screws (+BV 3X10) Cabinet, Rear 3-3. BATTERY (R) BOARD, BATTERY (L) BOARD Battery (L) board 3 Bracket (2), Yoke 1 Claw Battery (R) board Cabinet, Rear 3-4.

  • Page 8: Switch (1) Board

    3-5. SWITCH (1) BOARD 3-6. MECHANISM DECK Cabinet (Upper) ASSY 1 Screws (+BV 3X8) Switch (1) board Damper Mechanism deck Cabinet (Upper) ASSY Claw 1 Screw 1 Screws (+BV 3X10) (+BV 3X10) Plate, Upper Stopper, Wiring 1 Screws (+BV 3X10) 3-7.

  • Page 9: Cd Block Assy

    3-9. CD BLOCK ASSY 3 Screws (+BV 3X10) CD block ASSY 1 Wire, Parallel (FFC) (13 core) (CD/System board : CN803) 2 Wire, Parallel (FFC) (30 core) (CD/System board : CN801) 3 Screws (+BV 3X10) Cabinet sub ASSY, Front 3-10. HEADPHONE BOARD 1 Screw (+BV 3X10) Headphone board Cabinet sub ASSY, Front...

  • Page 10: Switch (2) Board, Lcd Board, Lamp Board

    3-11. SWITCH (2) BOARD, LCD BOARD, LAMP BOARD Lamp board 6 Remove solder LCD board LCD board 4 Screws (+BVTP 2.6X10) Bracket, CD button Bracket (2), CD 1 Screws (+BV 3X10) Switch (2) board 3 Screws (+P 2.6X6) Cabinet sub ASSY, Front 3-12.

  • Page 11: Cd Block Section

    3-13. CD BLOCK SECTION 1 Wire (Flat type) (21core) Bracket, CD Main board CD block section CD/System board 2 Screws (+BV 3X10) <MECHANISM DECK SECTION> 3-14. TC RF BOARD, HEAD RELAY BOARD, BELT (FR/BR), MOTOR (M691) 6 Belt FR 7 Belt BR 8 Screws 4 Screw Head relay board...

  • Page 12: Tray Assy, Cd

    <CD BLOCK SECTION> 3-15. TRAY ASSY, CD 3 Screws (+BV 3X10) 1 Screws (+BV 3X10) Plate (L), Side Loading chassis Plate (R), Side Cover (L), Side Slider (L) 1 Screws Lid, CD (+BV 3X10) Slider (R) 3 Screws Tray ASSY, CD (+BV 3X10) Cover (R), Side 5 Wire, Parallel (FFC) (21 core)

  • Page 13: Test Mode

    SECTION 4 TEST MODE 3. RF LEVEL and jitter check CD SECTION Test mode PLAY status 1. Entering CD test mode Connection P oint : CD/System board (Conductor side) With the OPERATE button OFF, short JW801 and JW802 on the LCD board. (You need a moment for the short.) The LCD display changes as in the diagram and the unit goes oscilloscope into test mode.

  • Page 14: Adjustments

    SECTION 5 ADJUSTMENTS 5-1. MECHANICAL ADJUSTMENTS 4. TRAVERSE SIGNAL check Connection P oint : CD/System board (Conductor side) TAPE RECORDER SECTION oscilloscope (AC range) PRECAUTION 1. Clean the following parts with a denatured-alcohol-moistened swab : TP (TO) record/playback/erase head pinch roller rubber belts capstan TP (VC)
  • Page 15 Record/Playback/Erase Head Azimuth Adjustment Tape Speed Adjustment Procedure : Procedure : 1. Mode : FWD playback – FWD Playback Mode – test tape test tape level meter P-4-A100 WS-48B frequency counter (3kHz, 0dB) (10kHz, –10dB) 47k Ω 47k Ω LINE OUT LINE OUT 2.
  • Page 16 TUNER SECTION LW FREQUENCY COVERAGE ADJUSTMENT reading on digital Adjust part Frequency display AM Section voltmeter 279kHz 5.1 – 5.5V RADIO BAND button : MW or LW Confirmation 153kHz 0.6 – 0.8V Volume : MIN AM RF signal LW TRACKING ADJUSTMENT Put the lead-wire generator antenna close to...

  • Page 17: Diagrams

    SECTION 6 DIAGRAMS 6-1. EXPLANATION OF IC TERMINALS Adjustment Location : Pin No. Pin name Description IC801 CXP83232A-010Q (SYSTEM CONTROL) CD/SYSTEM BOARD VDDL LCD drive bias control output. [TUNER BOARD] (SIDE A) VDD3 LCD drive bias power supply. Pin No. Pin name Description VDD2...

  • Page 18: Block Diagrams (Tape, Main Section)

    ZS-D50 6-2. BLOCK DIAGRAMS (TAPE, MAIN SECTION) • Signal path. : FM : PB (L-CH) : REC (L-CH) : CD – 20 – – 21 – – 22 –...

  • Page 19: Block Diagrams (Tuner, Cd Section)

    ZS-D50 6-3. BLOCK DIAGRAMS (TUNER, CD SECTION) Circuit Boards Location SWITCH (1) board TC RF board LCD board LAMP board HEAD RELAY board MAIN board SWITCH (2) board LOADING board CD/SYSTEM board LINE board POWER board BATTERY (L) board INLET board...

  • Page 21: Schematic Diagram (Main Section)

    6-5. SCHEMATIC DIAGRAM (MAIN SECTION) ZS-D50 Refer to page 51 for IC Block Diagrams. Waveforms (Main Section) 25.8 Vp-p 17.6 Vp-p 16.65 µ sec 16.65 µ sec ERASE HEAD Q305 COLLECTOR ATT : 1/10 VOLT/DIV : 1 V AC VOLT/DIV : 5 V AC TIME/DIV : 5 µsec...

  • Page 23: Schematic Diagram (Cd/System Section)

    6-7. SCHEMATIC DIAGRAM (CD/SYSTEM SECTION) Refer to page 52 for IC Block Diagrams. ZS-D50 Waveforms (CD/System Section) (PLAY MODE) 4.8 Vp-p 0.55 – 0.85 Vp-p 22.75 µ sec IC702 $º (LRCKI) IC701 #£ (RFO) VOLT/DIV : 200 m V AC VOLT/DIV : 1 V AC TIME/DIV : 0.5 µsec...

  • Page 25: Schematic Diagram (Tuner Section)

    6-9. SCHEMATIC DIAGRAM (TUNER SECTION) Refer to page 55 for IC Block Diagrams. Waveforms (Tuner Section) 350 mVp-p 75 kHz IC2 @¡ (X OUT) VOLT/DIV : 0.5 V AC TIME/DIV : 5 µsec Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
  • Page 26 IC Block Diagrams (Main Section) IC301 TA2068N LOGIC MONITOR MONITOR LINE LINE BUF AMP BUF AMP TAPE TAPE BUF AMP BUF AMP MUTE AMP1 ALC1 ALC2 26dB 26dB AMP1 AMP2 AMP1 AMP2 IC302 BH3854AS TONE MATRIX CONTROL SURROUND TONE IC305 LA2010 COMP(1) COMP(2) RESET...
  • Page 27 IC Block Diagrams (CD/System Section) IC701 CXA1992BR PD2 IV PD1 IV SUMMING F. BIAS SENS2 ↓ SENS1 LASER POWER CONTROL F IV AMP FE AMP C. OUT E IV AMP DFCT XRST LEVEL S VEE DATA FO. BIAS WINDOW MIRR COMP.
  • Page 28 IC702 CXD2589Q 59 58 57 54 53 52 51 50 SYSM SERIAL-IN INTERFACE LRCKI LRCK AVSS ASYO OVER SAMPLING DIGITAL FILTER ASYI ASYMMETRY AVDD DEMODULATOR CORRECTOR BIAS 3rd-ORDER AOUT1 NOISE SHAPER AIN1 AVDD LOUT1 AVSS CLTV XVDD TIMING ERROR XTAI LOGIC CORRECTOR AVSS...
  • Page 29 IC703 BA6898S LEVEL SHIFT LEVEL SHIFT OP-AMP DRIVER-MUTE REGULATOR BIAS T. S. D MONITOR LEVEL SHIFT LEVEL SHIFT IC790 BA6418N DRIVER T.S.D. 6.8K 6.8K CONTROL LOGIC – 54 –...
  • Page 30 IC Block Diagrams (Tuner Section) IC1 TA2008AN FM MPX BUFF BUFF BUFF BUFF AM/FM ST/MONO 1/8DIV LEVEL MUTE IC2 LC72137-D 17 16 15 FILTER POWER RESET PHASE DETECTOR REFERENCE CHARGE PUMP DIVIDER UNLOCK DETECTOR SWALLOW COUNTER 1/16. 1/17 4 BITS 12 BIT PROGRAMBLE DIVIDER DATA SHIFT REGISTER...

  • Page 31: Exploded Views

    SECTION 7 EXPLODED VIEWS NOTE : • -XX, -X mean standardized parts, so they • The mechanical parts with no reference The components identified by mark ! may have some difference from the original number in the exploded views are not or dotted line with mark ! are critical one.

  • Page 32: Front Cabinet Section

    7-2. FRONT CABINET SECTION LCD801 SP101 SP201 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-3376-967-1 CABINET SUB ASSY, FRONT 4-951-620-11 SCREW (2.6X10), +BVTP 3-028-604-11 WINDOW, LCD 3-028-611-01 BUTTON, VOLUME * 71 1-671-555-11 LAMP BOARD 3-028-613-11 BUTTON, FUNCTION * 72 A-3321-811-A TUNER BOARD, COMPLETE 3-028-610-01 BUTTON, POWER...

  • Page 33: Cd Block Section

    7-3. CD BLOCK SECTION IC304 IC307 Q362, Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-028-619-01 BRACKET, CD 1-783-991-11 WIRE, PARALLEL (FFC) (12 CORE) 3-028-649-01 PAPER, SHIELD 1-783-992-11 WIRE, PARALLEL (FFC) (20 CORE) 1-783-993-11 WIRE, PARALLEL (FFC) (30 CORE) 1-782-663-11 WIRE (FLAT TYPE) (21CORE) 1-783-994-11 WIRE, PARALLEL (FFC) (13 CORE) * 105...

  • Page 34: Mechanism Deck Section-1

    7-4. MECHANISM DECK SECTION-1 (MF-ZSD50) not supplied M691 (S691, 692, 694, 695) (S691, 692, 694, 695) S696 PM691 PH691 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-029-619-01 SCREW 3-029-626-01 WASHER 3-029-591-01 COLLAR 3-029-590-01 CAM, GEAR 3-029-589-01 TRIGGER, ARM 3-034-597-01 CAM, ARM 3-029-611-01 SPRING...

  • Page 35: Mechanism Deck Section-2

    Ver 1.1 2000.08 7-5. MECHANISM DECK SECTION-2 (MF-ZSD50) HRPE901 not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-029-573-01 LEVER (HD) 3-029-577-01 PLATE (D) 3-029-576-01 PINCH, ROLLER 3-029-578-01 REEL, CAP 3-029-574-01 PINCH (R), CAP 3-029-602-01 SPRING 3-029-575-01 PINCH (L), CAP 3-029-579-01 REEL, GEAR...

  • Page 36: Cd Section

    7-6. CD SECTION (VLM-ZSD50-142) M790 CDM-2411AAA Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-017-025-11 COVER (R), SIDE 3-017-017-11 LEVER, DETECTION 3-017-012-11 PLATE (R), SIDE * 267 1-667-045-11 LOADING BOARD 3-017-014-11 SLIDER (R) 3-017-031-11 GEAR (A) 3-017-027-11 GEAR (C) 3-017-032-11 GEAR (B) 3-017-016-11 SHAFT, TRAY...

  • Page 37: Optical Pick-Up Section

    7-7. OPTICAL PICK-UP SECTION (CDM-2411AAA) M802 M801 S801 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. Description Remark A-3303-970-A SCREW ASSY, FEED...

  • Page 38: Electrical Parts List

    BATTERY (L) BATTERY (R) SECTION 8 ELECTRICAL PARTS LIST CD/SYSTEM NOTE : • Due to standardization, replacements in the • SEMICONDUCTORS In each case, u : µ , for example : The components identified by mark ! parts list may be different from the parts uA..
  • Page 39 CD/SYSTEM Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C776 1-126-940-11 ELECT 330uF < DIODE > C777 1-104-664-11 ELECT 47uF D601 8-719-991-33 DIODE 1SS133T-77 C778 1-124-443-00 ELECT 100uF D602 8-719-991-33 DIODE 1SS133T-77 C779 1-162-851-11 CERAMIC 0.1uF D603 8-719-991-33 DIODE 1SS133T-77 C790...
  • Page 40 CD/SYSTEM Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R513 1-249-429-11 CARBON 1/4W R719 1-247-903-00 CARBON 1/4W R514 1-249-429-11 CARBON 1/4W R720 1-249-425-11 CARBON 4.7K 1/4W R515 1-249-429-11 CARBON 1/4W R516 1-249-429-11 CARBON 1/4W R721 1-247-843-11 CARBON 3.3K 1/4W R517...
  • Page 41 CD/SYSTEM HEADPHONE HEAD RELAY INLET Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R816 1-249-417-11 CARBON 1/4W < JACK > R817 1-249-417-11 CARBON 1/4W R818 1-249-417-11 CARBON 1/4W J501 1-566-891-11 JACK (2) R819 1-249-417-11 CARBON 1/4W R820 1-249-417-11 CARBON 1/4W...
  • Page 42 INLET LAMP LINE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R911 1-249-417-11 CARBON 1/4W R884 1-249-432-11 CARBON 1/4W R912 1-249-429-11 CARBON 1/4W R885 1-249-415-11 CARBON 1/4W R913 1-249-425-11 CARBON 4.7K 1/4W R914 1-249-417-11 CARBON 1/4W R886 1-247-818-91 CARBON 1/4W...
  • Page 43 LOADING MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-667-045-11 LOADING BOARD C125 1-162-282-31 CERAMIC 100PF ************** C126 1-162-282-31 CERAMIC 100PF < CAPACITOR > C127 1-162-301-11 CERAMIC 0.0015uF 30% C201 1-126-963-11 ELECT 4.7uF C790 1-104-664-11 ELECT 47uF C202 1-162-301-11 CERAMIC...
  • Page 44 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C329 1-130-499-00 MYLAR 0.22uF IC302 8-759-432-41 IC BH3854AS C330 1-104-664-11 ELECT 47uF IC303 8-759-634-51 IC M5218AP C331 1-162-286-21 CERAMIC 220PF IC304 8-759-426-51 IC BA5417 C332 1-162-286-21 CERAMIC 220PF IC305 8-759-800-71 IC LA2010...
  • Page 45 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < RESISTOR > R301 1-247-791-91 CARBON 1/4W R302 1-247-903-00 CARBON 1/4W R101 1-249-419-11 CARBON 1.5K 1/4W R303 1-249-429-11 CARBON 1/4W R102 1-249-430-11 CARBON 1/4W R304 1-249-429-11 CARBON 1/4W R103 1-249-403-11 CARBON...
  • Page 46 PICK-UP RELAY POWER SWITCH (1) SWITCH (2) TC RF TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-667-046-11 PICK-UP RELAY BOARD < SWITCH > ******************* S801 1-762-798-11 SWITCH, KEYBOARD (() < CONNECTOR > S802 1-762-798-11 SWITCH, KEYBOARD (9) S803 1-762-798-11 SWITCH, KEYBOARD (p) CN702...
  • Page 47 TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-783-990-11 WIRE, PARALLEL (FFC) (10 CORE) < FILTER > < CAPACITOR > 1-760-468-11 FILTER, CERAMIC 1-760-468-11 FILTER, CERAMIC 1-162-294-31 CERAMIC 0.001uF 1-760-468-11 FILTER, CERAMIC 1-162-306-11 CERAMIC 0.01uF 1-579-762-11 VIBRATOR, CERAMIC 1-102-960-00 CERAMIC 24PF...
  • Page 48 Ver 1.1 2000.08 TUNER Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 8-729-036-77 TRANSISTOR KRC107M < VIBRATOR > 8-729-037-29 TRANSISTOR KRA102M 8-729-037-29 TRANSISTOR KRA102M 1-760-130-11 VIBRATOR, CRYSTAL (75kHz) ************************************************************ 8-729-922-66 TRANSISTOR 2SC2410SN MISCELLANEOUS < RESISTOR > ************** 1-247-887-00 CARBON 220K...
  • Page 49 ZS-D50 Ref. No. Part No. Description Remark ************** HARDWARE LIST ************** 7-621-773-86 SCREW +B 2.6X4 7-623-510-01 LUG, 4 7-682-549-04 SCREW +B 3X10 7-685-103-19 SCREW +P 2X5 TYPE2 NON-SLIT 7-685-133-19 SCREW +P 2.6X6 TYPE2 NON-SLIT 7-685-646-79 SCREW +BVTP 3X8 TYPE2 N-S 7-685-534-19 SCREW +BTP 2.6X8 TYPE2 N-S...

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