Sony MZ-B100 Service Manual
  1. Manuals
  2. Brands
  3. Sony Manuals
  4. CD Player
  5. MZ-B100 - Minidisc Business Product Recorder
  6. Service manual
Sony MZ-B100 Service Manual

Sony MZ-B100 Service Manual

Portable
Hide thumbs Also See for MZ-B100:
Table of Contents

Advertisement

Quick Links

Download this manual
SERVICE MANUAL
Ver 1.0 2001.10
US and foreign patents licensed from Dolby
Laboratories Licensing Corporation
System
Audio playing system
MiniDisc digital audio system
Laser diode properties
Material: GaAlAs
Wavelength: λ = 790 nm
Emission duration: continuous
Laser output: less than 44.6 µW
(This output is the value measured at a distance
of 200 mm from the lens surface on the optical
pick-up block with 7 mm aperture.)
Recording and playback time
When using MDW-80
Maximum 160 min. in monaural.
Maximum 320 min. in stereo
Revolutions
350 rpm to 2,800 rpm (CLV)
Error correction
ACIRC (Advanced Cross Interleave Reed
Solomon Code)
Sampling frequency
44.1 kHz
Sampling rate converter
Input: 32 kHz/44.1 kHz/48 kHz
Coding
ATRAC (Adaptive TRansform Acoustic
Coding)
ATRAC3 — LP2/LP4
Sony Corporation
9-873-341-01
2001J0200-1
Personal Audio Company
© 2001.10
Published by Sony Engineering Corporation
MZ-B100
Model Name Using Similar Mechanism
Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Modulation system
EFM (Eight to Fourteen Modulation)
Speaker
28 mm (1
1
/
8
Frequency response (digital/analog input)
20 to 20,000 Hz ± 3 dB
Wow and Flutter
Below measurable limit
Inputs
Microphone: stereo mini-jack
(minimum input level 0.25 mV)
1)
Line in
:
stereo mini-jack for analog input
(minimum input level 39 mV)
optical (digital) mini-jack for optical
(digital) input
Outputs
i : stereo mini-jack (dedicated remote control
jack)
Maximum output (DC)
Headphones: 5 mW + 5 mW (16 ohm)
Speaker: 70 mW
PORTABLE MINIDISC RECORDER
Tourist Model
NEW
MT-MZB100-171
LCX-4R
in.) dia.
2)
– Continued on next page –

Advertisement

Table of Contents
loading

Related Manuals for Sony MZ-B100

Summary of Contents for Sony MZ-B100

  • Page 1 Sampling rate converter – Continued on next page – Input: 32 kHz/44.1 kHz/48 kHz Coding ATRAC (Adaptive TRansform Acoustic Coding) ATRAC3 — LP2/LP4 PORTABLE MINIDISC RECORDER Sony Corporation 9-873-341-01 2001J0200-1 Personal Audio Company © 2001.10 Published by Sony Engineering Corporation...

  • Page 2: Table Of Contents

    The battery life may be shorter due to operating conditions and the temperature of the location. 3-5. Mechanism Deck ............8 When using a Sony LR6 (SG) “STAMINA” alkaline dry 3-6. Optical Pick-up Block (LCX-4R) ......... 9 battery (produced in Japan). Recording time may differ 3-7.

  • Page 3: Servicing Notes

    MZ-B100 SECTION 1 SERVICING NOTES • When repairing this device with the power on, if you remove the NOTES ON HANDLING THE OPTICAL PICK-UP MAIN board or open the upper panel assy, this device stops work- BLOCK OR BASE UNIT ing.

  • Page 4: General

    MZ-B100 SECTION 2 This section is extracted from instruction manual. GENERAL LOCATION AND FUNCTION OF CONTROLS – Front of the recorder – How to attach the hand strap. 3456 78 9q;qaqsqdqfqg wd wf wgwh 1 SPEED CONTROL dial qf TRACK MARK button 2 .REVIEW/AMS/>CUE/AMS...
  • Page 5 MZ-B100 – The display window – 1 Character information display 6 Battery level indication 7 SYNC (synchro-recording) indication Displays the disc and track names, date, error messages, track numbers, 8 Playback level meter 9 V-UP indication recording level, etc. 2 Group indication...

  • Page 6: Disassembly

    MZ-B100 SECTION 3 DISASSEMBLY The equipment can be removed using the following procedure. Panel (lower) ASSY Main board Cabinet (belt) section Key board unit Mechanism deck Optical pick-up block Holder ASSY Motor, DC (sled) (M602) Motor, DC (spindle) (M601) , Motor, DC (over write head up/down) (M603) Note : Follow the disassembly procedure in the numerical order given.

  • Page 7: Cabinet (Belt) Section

    MZ-B100 3-3. CABINET (BELT) SECTION Panel (upper lid) ASSY 1 Screws (ES lock) 1 Screws (ES lock) Cabinet (belt) section 2 Open 3-4. KEY BOARD UNIT Panel (upper lid) ASSY 9 Claws MIC101 MIC201 7 Remove solder (2 places) Key board unit...

  • Page 8: Mechanism Deck

    MZ-B100 3-5. MECHANISM DECK Mechanism deck (MT-MZB100-171) 8 Screws Set chassis ASSY (ES lock) Cabinet (front) 7 Screws (ES lock) Cabinet (belt) 1 Screws (ES lock) 5 Screw (ES lock) 4 Screws (ES lock) 3 Screws (ES lock)

  • Page 9: Optical Pick-Up Block (Lcx-4R)

    MZ-B100 3-6. OPTICAL PICK-UP BLOCK (LCX-4R) 2 gear (SA) 5 screw (M1.4) 1 washer (0.8-2.5) 6 spring, thrust detent 3 screw (M1.4) 8 Pull off “screw, lead” 4 spring, rack 9 Opening the over write head toward the direction A , remove the optical pick-up block (LCX-4R) toward the direction B .

  • Page 10: Holder Assy

    MZ-B100 3-7. HOLDER ASSY 5 Remove the holder assy in the direction of arrow D . 2 Push the convex portion 1 Open the holder assy. toward the direction B and open the holder assy toward the direction A to erect uprightly.

  • Page 11: Motor, Dc (Spindle) (M601)", "Motor, Dc (Over Write Head Up/Down) (M603)

    MZ-B100 3-9. “MOTOR, DC (SPINDLE) (M601)”, “MOTOR, DC (OVER WRITE HEAD UP/DOWN) (M603)” 1 Remove six solders of motor flexible board. Note: Press-fit the gear (HA) up to the qa motor, DC (over write head up/down) position of the “motor, DC (over...

  • Page 12: Test Mode

    MZ-B100 SECTION 4 TEST MODE [Outline] 2 In the normal mode, turn on the HOLD switch on the set. While pressing the key on the set, press the following set keys • This set provides the Overall adjustment mode (Assy mode) that...
  • Page 13 MZ-B100 [Configuration of Test Mode] [EASY SEARCH +] key: 100th place of mode number [Test Mode $Display Check Mode%] [Major item switching] increase. [EASY SEARCH +] Press the > [EASY SEARCH --] key: 100th place of [Manual Mode] mode number Press the decrease.
  • Page 14 MZ-B100 5. Set the mode No. to 011. The display changes a shown below [Overall Adjustment Mode] [DISPLAY] each time the key is pressed. Mode to adjust the servo automatically in all items. Normally, automatic adjustment is executed in this mode at the repair.
  • Page 15 MZ-B100 [REC] [Sound Skip Check Result Display Mode] 4. When key on the set is pressed, the total of error count is displayed on the LCD, and each time the key is > This set can display and check the error count occurring during pressed, the error count descents one by one as shown below.
  • Page 16 MZ-B100 [Self-Diagnosis Display Mode] • This set uses the self-diagnosis system in which if an error oc- curs in recording/playback mode, the error is detected by the model control and power control blocks of the microprocessor and information on the cause is stored as history in EEPROM.
  • Page 17 MZ-B100 • Description of Indication History History code number Description 1st0 The first error 1st1 Total recording time when 1st0 was generated (Higher rank byte) 1st2 Total recording time when 1st0 was generated (Lower rank byte) The last error Total recording time when N 0 was generated (Higher rank byte)
  • Page 18 MZ-B100 [Key Check Mode] This set can check if the set and remote commander function nor- mally. • Setting Method of Key Check Mode 1. Setting the test mode. (See page 12) [T MARK] 2. Press the activates the key check mode where all segments of LCD turn OFF.

  • Page 19: Electrical Adjustments

    Available SONY CD disc R e s * * * • Recorded MO disc PTDM-1 (Part No. : J-2501-054-A) Available SONY MO disc (recorded) r NV reset (after several seconds) • Laser power meter LPM-8001 (Part No. : J-2501-046-A) R e s e t ! •...
  • Page 20 MZ-B100 • Adjustment method of VC PWM Duty (L) digital (mode number: 762) voltmeter 1. Select the manual mode of the test mode, and set the mode number 762. (See page 13) AP913 (VC) LCD display AP909 V c l P W M...
  • Page 21 MZ-B100 • Adjustment method of VC PWM Duty (H) digital (mode number: 765) voltmeter 1. Select the manual mode of the test mode, and set the mode number 765. (See page 13) AP912 (VL) LCD display V c h P W M...
  • Page 22 : Left side = MO auto adjustment information for the items not accepted. (See page 13) F * : Auto adjustment finished 8. If CD adjustment is OK, insert an available SONY MO disc 1 * : Manual adjustment remains (recorded).
  • Page 23 MZ-B100 • MO Automatic Adjustment item [Laser Power Check] Connection : Mode No. Description laser power meter MO electrical offset adjustment Optical pick-up objective lens Lower reflection CD tracking error gain adjustment Lower reflection CD tracking error offset adjustment digital...

  • Page 24: Diagrams

    MZ-B100 SECTION 6 DIAGRAMS 6-1. EXPLANATION OF IC TERMINALS • MAIN BOARD IC501 SN761057DBT (RF AMP, FOCUS/TRACKING ERROR AMP) Pin No. Pin name Description Tracking error signal output to IC801 REXT — Connected to the external resistor for the ADIP amplifier control WPPLPF —...
  • Page 25 MZ-B100 • IC801 CXD2671-209GA (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR, 16M BIT D-RAM) Pin No. Pin name Description MICAMP CTL MIC AMP ON/OFF control output XHP DET Headphones connection detect input V UP Volume control output SP AMP Speaker amplifier ON/OFF control output...
  • Page 26 MZ-B100 Pin No. Pin name Description AVD2 — Power supply terminal (for the analog) (+2.4V) AVS2 — Ground terminal (for the analog) ADRB A/D converter the lower limit voltage input (fixed at “L” in this set) Sled error signal input terminal Not used (fixed at “L”)
  • Page 27 MZ-B100 Pin No. Pin name Description SLCV Sled motor drive comparison signal input (V) from the motor driver (IC701) SLCW Sled motor drive comparison signal input (W) from the motor driver (IC701) DIFVDD1 — Power supply terminal (for DSP I/F) (+2.3V) DIFVSS1 —...
  • Page 28 MZ-B100 Pin No. Pin name Description PLCTL PL control signal output SET CODE0 Input terminal for the set (fixed at “L” in this set) SET CODE1 Input terminal for the set (open in this set) 174, 175 SET CODE2, 3 Input terminal for the set (fixed at “L”...
  • Page 29 MZ-B100 Note on Schematic Diagram: Waveforms Pin No. Pin name Description • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics XRST MTR DRV Reset control signal output to the motor driver (IC701) and tantalums.

  • Page 30: Block Diagrams (Main Section (1/3)

    MZ-B100 6-2. BLOCK DIAGRAM – MAIN Section (1/3) – OVER WRITE HEAD DRIVE IC601 (1/2) V_REC B+ OVER OVER WRITE WRITE HEAD DRIVE OPTICAL PICK-UP BLOCK PRE DRIVER HEAD Q604, 605 (LCX-4R) (Page 32) OUTA VRECIN2 VRECO M603 H-BRIDGE OUTB...

  • Page 31: Block Diagrams (Main Section (2/3)

    MZ-B100 6-3. BLOCK DIAGRAM – MAIN Section (2/3) – OPTICAL RECEIVER B+ SWITCH INT MIC B+ SWITCH Q315 VIF B+ Q301 DIN1 (Page 30) J301 LINE IN B+ SWITCH EXT MIC (OPT) Q313 Q314 Q316 (LINE IN JACK) A/D CONVERTER...

  • Page 32: Block Diagrams (Main Section (3/3)

    MZ-B100 6-4. BLOCK DIAGRAM – MAIN Section (3/3) – RMC KEY (Page 31) VRMC HEADPHONE AMP (IC301), XWK3 MOTOR DRIVER (IC701) RMC_KEY CLK SEL CLK_SEL FFCLR FFCLR SLEEP SLEEP SYSTEM VLON (Page 30) VLON CONTROL XWK1 POWER CONTROL WK_DET XWK2...

  • Page 33: Printed Wiring Board (Main Section (1/2))

    MZ-B100 : Uses unleaded solder. 6-5. PRINTED WIRING BOARD – MAIN Section (1/2) – Refer to page 29 for Notes. S301 S805 MIC SENS SOUND MAIN BOARD (SIDE A) R304 Semiconductor C602 Location C348 C308 R326 C341 R124 R325 Ref. No.

  • Page 34: Printed Wiring Board (Main Section (2/2))

    MZ-B100 : Uses unleaded solder. 6-6. PRINTED WIRING BOARD – MAIN Section (2/2) – Refer to page 29 for Notes. S804 (OPEN/CLOSE) MAIN BOARD (SIDE B) T601 Semiconductor Location Q318 R334 Ref. No. Location R335 R338 C134 R156 D602 D101...

  • Page 35: Schematic Diagram (Main Section (1/4))

    MZ-B100 6-7. SCHEMATIC DIAGRAM – MAIN Section (1/4) – Refer to page 29 for Notes. Refer to page 29 for Waveforms. Refer to page 39 - 41 for IC Block Diagrams.

  • Page 36: Schematic Diagram (Main Section (2/4))

    MZ-B100 6-8. SCHEMATIC DIAGRAM – MAIN Section (2/4) – Refer to page 29 for Notes. Refer to page 29 for Waveforms. Refer to page 39 - 41 for IC Block Diagrams.

  • Page 37: Schematic Diagram (Main Section (3/4))

    MZ-B100 6-9. SCHEMATIC DIAGRAM – MAIN Section (3/4) – Refer to page 29 for Notes. Refer to page 29 for Waveforms. Refer to page 39 - 41 for IC Block Diagrams.

  • Page 38: Schematic Diagram (Main Section (4/4))

    MZ-B100 6-10. SCHEMATIC DIAGRAM – MAIN Section (4/4) – Refer to page 29 for Notes. Refer to page 29 for Waveforms. Refer to page 39 - 41 for IC Block Diagrams.
  • Page 39 MZ-B100 • IC Block Diagrams IC301 AK5354VT-E2 16 PDN LIN1 15 CSN CONTROL IPGA 14 CCLK RIN1 REGISTER LIN2 13 CDTI RIN2 CLOCK DIVIDER VCOM 12 LRCK AGND 11 MCLK AUDIO I/F CONTROLLER 10 BCLK 9 SDTO IC501 SN761057DBT ADIP-IN...
  • Page 40 MZ-B100 IC601 XPC18A22FCR2 VC2 VG OUTPUT SW OUTPUT SW CHARGE CHARGE PUMP 1 PUMP 2 VC VG DC IN HI-BRIDGE CHARGE PRE DRIVER PRE DRIVER MONITOR VREF VREF X2/X4 BATM BUFFER DC IN CVREF CONTROL CONTROL CHARGE CHGSW DW BT...
  • Page 41 MZ-B100 IC701 SC111258FCR2 48 47 46 45 52 51 3Phase BIAS control 3Phase control PGNDW2 VG VC PGNDW1 VMVW2 3Phase Pre driver WMVW1 3Phase Pre driver PGNDUV2 PGNDUV1 35 UO2 VMU2 VMR2 VMU1 VG VC VMR1 H-BRIDGE PGND2 DRIVER H-BRIDGE...

  • Page 42: Exploded View

    MZ-B100 SECTION 7 EXPLODED VIEWS NOTE : • -XX, -X mean standardized parts, so they • The mechanical parts with no reference The components identified by mark 0 may have some difference from the original number in the exploded views are not or dotted line with mark 0 are critical one.

  • Page 43: Panel (Upper Lid) Section

    MZ-B100 7-2. PANEL (UPPER LID) SECTION 73 67 MIC101 MIC201 SP901 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-984-017-01 SCREW (1.7), TAPPING 3-235-170-01 BUTTON (B) 3-034-792-01 SCREW, TAPPING (B2.0) A-3052-943-A PANEL (UPPER LID) SUB ASSY 3-235-185-01 COVER (REC) 3-669-481-05 PIN (DIA.

  • Page 44: Cabinet (Belt) Section

    MZ-B100 7-3. CABINET (BELT) SECTION not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-225-873-31 SCREW, ES LOCK (L:3) 3-238-525-01 SPRING (OPEN), TENSION * 102 A-3021-591-A MAIN BOARD, COMPLETE 3-235-156-11 CABINET (BELT) 3-225-873-07 SCREW, ES LOCK...

  • Page 45: Mechanism Deck Section (Mt-Mzb100-171)

    MZ-B100 7-4. MECHANISM DECK SECTION (MT-MZB100-171) M603 not supplied M602 M601 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.

  • Page 46: Electrical Parts List

    MZ-B100 SECTION 8 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they 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 47 MZ-B100 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C242 1-164-874-11 CERAMIC CHIP 100PF C519 1-107-819-11 CERAMIC CHIP 0.022uF C301 1-113-600-11 TANTAL. CHIP 2.2uF 6.3V C302 1-125-777-11 CERAMIC CHIP 0.1uF C520 1-125-777-11 CERAMIC CHIP 0.1uF...
  • Page 48 MZ-B100 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C813 1-125-840-11 TANTALUM 10uF 6.3V D606 8-719-081-35 DIODE MA2YD17LS0 C814 1-125-837-11 CERAMIC CHIP 6.3V C815 1-125-837-11 CERAMIC CHIP 6.3V D607 8-719-081-35 DIODE MA2YD17LS0 C816 1-164-943-11 CERAMIC CHIP 0.01uF...
  • Page 49 MZ-B100 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark L802 1-469-535-21 INDUCTOR 10uH R118 1-218-961-11 RES-CHIP 4.7K 1/16W L901 1-469-367-21 INDUCTOR 10uH R119 1-218-990-11 SHORT 0 L902 1-414-398-11 INDUCTOR 10uH R120 1-218-990-11 SHORT 0 R121...
  • Page 50 MZ-B100 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R222 1-218-977-11 RES-CHIP 100K 1/16W R325 1-218-941-11 METAL CHIP 1/16W R223 1-218-977-11 RES-CHIP 100K 1/16W R326 1-218-941-11 RES-CHIP 1/16W R327 1-218-989-11 RES-CHIP 1/16W R224 1-208-715-11 METAL CHIP...
  • Page 51 MZ-B100 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R829 1-218-959-11 RES-CHIP 3.3K 1/16W <TRANSFORMER> R830 1-218-945-11 RES-CHIP 1/16W T601 1-416-405-21 FERRITE R831 1-218-990-11 SHORT 0 R832 1-208-703-11 METAL CHIP 6.8K 1/16W <THERMISTOR> R833 1-208-707-11 METAL CHIP...
  • Page 52 MZ-B100 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision...

Table of Contents