Sony MZ-B100 specifications Waveforms

Page 29

Pin No.

Pin name

I/O

Description

 

 

 

 

 

 

220

XRST MTR DRV

O

Reset control signal output to the motor driver (IC701)

 

 

 

 

 

 

221

XRF RST

O

Reset control signal output to RF amp (IC501)

 

 

 

 

 

 

222

MCUVDD3

—

Power supply terminal (for the microcomputer block) (+1.5V)

 

 

 

 

 

 

223

SPDL MON

I

Spindle servo monitor signal input from the motor driver (IC701)

 

 

 

 

 

 

224

XAVLS

I

Input terminal for AVLS switch detection signal

 

 

 

 

 

 

225, 226

JOG A, B

I

Jog dial pulse input terminal from the switch & LCD module

 

 

 

 

 

 

227

XHOLD SW

I

HOLD switch (S801) input terminal “L”: hold ON, “H”: hold OFF

 

 

 

 

 

 

228

SYNC REC

I

SYNCHRO REC switch (S802) input terminal “L”: OFF, “H”: ON

Not used (open)

 

 

 

 

 

229

TSB SSB CTL

O

TSB/SSB changeover control signal output Not used (open)

 

 

 

 

 

230

PROTECT

I

Detection input terminal of the record check claw from the protect detection switch (S803)

“L”: recording possible condition, “H”: protect

 

 

 

 

 

 

 

 

 

 

231

FLASHVDD

—

Power supply terminal (for the internal FLASH ROM) (+2.4V)

 

 

 

 

 

 

232

FLASHVSS

—

Ground terminal (for the internal FLASH ROM)

 

 

 

 

 

 

233

SLD MON

I

Sled servo monitor signal input from the motor driver (IC701)

 

 

 

 

 

234

VLON

O

Power supply control signal output for the laser diode drive to the power control (IC901)

 

 

 

 

235

SLEEP

O

System sleep control signal output to the power control (IC901) “H”: sleep ON

 

 

 

 

 

236

FFCLR

O

Input latch output for the start switching to the power control (IC901)

 

 

 

 

 

 

237

CHG GAIN

O

Charge gain control signal output to the power control (IC601)

 

 

 

 

 

 

238

CHG

O

Charge ON/OFF control signal output to the power control (IC601)

“H”: charge ON

 

 

 

 

 

239

TUN REG ON

O

Not used (open)

 

 

 

 

 

 

240

XHP STBY

O

Power supply control signal output terminal for the headphone amp

Not used (open)

 

 

 

 

 

241

MIFVDD3

—

Power supply terminal (for the microcomputer I/F block) (+2.3V)

 

 

 

 

 

 

242

MIFVSS2

—

Ground terminal (for the microcomputer I/F block)

 

 

 

 

 

 

243

TEST2

I

Input terminal for the main test (normally open)

 

 

 

 

 

 

244

NC

—

Not used (open)

 

 

 

 

 

 

Note on Schematic Diagram:

•All capacitors are in ∝F unless otherwise noted. pF: ∝∝F 50 WV or less are not indicated except for electrolytics and tantalums.

•All resistors are in Ω and 1/4 W or less unless otherwise specified.

•% : indicates tolerance.

•f : internal component.

Note: The components identified by mark 0or dotted line with mark 0are critical for safety.

Replace only with part number specified.

•A : B+ Line.

•Power voltage is dc 3 V and fed with regulated dc power supply from external power voltage jack.

•Voltages and waveforms are dc with respect to ground under no-signal conditions.

no mark : PLAYBACK

( ) : RECORD

∗: Impossible to measure

•Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal produc- tion tolerances.

•Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal produc- tion tolerances.

•Circled numbers refer to waveforms.

•Signal path.

E : PLAYBACK

j : PLAYBACK (ANALOG IN)

l : RECORD (DEGITAL IN)

•Replacement of IC801 used in this set requires a special tool.

•The voltage and waveform of CSP (chip size package) cannot be measured, because its lead layout is different form that of conventional IC.

Note on Printed Wiring Board:

•X: parts extracted from the component side.

•Y: parts extracted from the conductor side.

•x : parts mounted on the conductor side.

•z : Through hole.

• : Pattern from the side which enables seeing. (The other layers' patterns are not indicated.)

Caution:

 

Pattern face side:

Parts on the pattern face side seen from

(Conductor Side)

the pattern face are indicated.

Parts face side:

Parts on the parts face side seen from

(Component Side)

the parts face are indicated.

 

 

•Main board is four-layer printed board.

However, the patterns of layers 2 and 3 have not been included in this diagrams.

•Replacement of IC801 used in this set requires a special tool.

• Lead Layouts

surface

 

MZ-B100

zWaveforms

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.3Vp-p

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.56 sec

 

 

 

 

 

 

 

 

 

 

 

 

 

IC601

4

 

VOLT/DIV : 0.5 V AC

 

 

 

XIN

 

 

 

 

 

 

 

 

 

TIME/DIV : 0.1 ∝sec

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.3Vp-p

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.56

sec

 

 

 

 

 

 

 

 

 

 

 

 

 

IC901

th

VOLT/DIV : 0.5 V AC

 

 

CLK

 

 

 

TIME/DIV : 0.1 ∝sec

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2.2Vp

 

-p

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

45.1584MHz

IC801

wg

VOLT/DIV :0.5 V AC

 

 

OSCO

TIME/DIV : 20 nsec

Lead layout of conventional IC

CSP (chip size package)

29 29

Page 28 Page 30
Image 29
Page 28 Page 30
Contents MZ-B100 SpecificationsDisassembly Table of ContentsDiagrams Flexible Circuit Board RepairingUnleaded Solder Section Servicing NotesLead Free Mark EepromLocation and Function of Controls Section GeneralFront of the recorder REVIEW/AMS/ CUE/AMSREVIEW/AMS Remote controlDisplay window Main Board Section DisassemblyPanel Lower Assy KEY Board Unit Cabinet Belt SectionMechanism Deck Gear SA Screw M1.4 Optical PICK-UP Block LCX-4RMOTOR, DC Sled M602 Holder AssyQs chassis assy, gear Setting Method of Test Mode Section Test ModeOperation in Setting the Test Mode Releasing the Test ModeMajor item switching Configuration of Test ModeManual Mode 731 Overall Adjustment Mode000 Sound Skip Check Result Display ModeSetting method of Sound Skip Check Result Display Mode 000 R # # # # Self-Diagnosis Display ModeClearing Self-Diagnosis Data and Total Recording Time Description of Error Indication CodesDescription of Indication History RECKey Indication Key Check ModePrecautions for Adjustment Section Electrical AdjustmentsAdjustment Sequence NV ResetAdjustment method of Vrem PWM Duty H mode number Adjustment method of VC PWM Duty L mode numberAdjustment method of Vrem PWM Duty L mode number 765 Adjustment method of VC PWM Duty H mode number767 766Adjustment Method of temperature correction Temperature CorrectionAdjustment Method of Overall Adjustment Mode 014Connection Laser Power Check141 043Section DiagramsExplanation of IC Terminals Pin No Pin name DescriptionXrst MIFVSS3REC KEY Half Lock SWAPC AdrbDSPVDD0 DSPVSS0Slcw SlcvDIFVDD1 DIFVSS1SET CODE1 SET CODE0SET CODE2 MIFVSS1Waveforms REC Analog Block Diagram Main /33131 3232 Uses unleaded solder Printed Wiring Board Main /2Refer to page 29 for Notes SemiconductorMain Board +B Switch Sledn 3737 CLV IC301 AK5354VT-E2 IC Block DiagramsXPC18A22FCR2 IC701 SC111258FCR2 Panel Lower Section Exploded Views5354 Panel Upper LID Section116 103 108 109 111 110 112 113 114 102 117 101 115 118 107 106 116 105Mechanism Deck Section MT-MZB100-171 Main Section Electrical Parts ListTantalum TC7W66FKTE85R Transistor R222 218-977-11 Valiable Resistor Revision History
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Manual 28 pages 54.99 Kb

MZ-B100 specifications

The Sony MZ-B100 is a remarkable mini disc player that stands out for its innovative features and technologies, catering to music enthusiasts and professionals alike. Released in the early 2000s, it represents a significant advancement in portable audio technology, combining convenience with high-quality sound reproduction.

One of the key features of the MZ-B100 is its lightweight and compact design, making it highly portable. It allows users to enjoy their favorite music on the go without being burdened by heavy equipment. The device supports the MiniDisc format, which was widely appreciated for its ability to store high-quality audio while offering the flexibility of recording and erasing tracks easily.

The MZ-B100 boasts a range of audio recording capabilities. With its built-in microphone, users can easily capture live performances, meetings, or personal notes. The player features a record timer, which enables timed recordings, an invaluable tool for those who need to capture audio at specific moments. Additionally, the unit supports various recording modes, including LP2 and LP4, allowing users to choose between quality and capacity.

In terms of sound quality, the MZ-B100 employs Sony's ATRAC compression technology. This technology preserves the audio quality while minimizing file sizes, enabling users to store more tracks on a single MiniDisc. The device also includes a digital pitch control feature, which allows users to adjust the playback speed without altering the pitch. This is particularly useful for musicians practicing with recorded accompaniments.

Another standout characteristic of the MZ-B100 is its battery life. Equipped with rechargeable batteries, the device provides extended playback time, ensuring that users can enjoy hours of music without frequent recharges. The user interface is intuitive, featuring a clear display that makes navigation through tracks and playlists seamless.

Connectivity is another important aspect of the MZ-B100. It includes various input and output options, allowing users to connect the player to external audio systems, enabling them to play music through larger speakers or transfer recordings to a computer.

Overall, the Sony MZ-B100 mini disc player is a well-rounded device packed with advanced features aimed at enhancing the listening experience. Its portability, sound quality, and intuitive functionality make it a noteworthy choice for anyone seeking a reliable audio recording and playback solution. The MZ-B100 remains a testament to Sony's commitment to innovation in the world of personal audio technology.
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