Sony MZ-B100 Slcv, Slcw, DIFVDD1, DIFVSS1, Sense, Recp, DSPVDD3, DRAMVSS0, DRAMVSS1, Tsb Slv Vdd

Page 27

MZ-B100

Pin No.

Pin name

I/O

 

Description

 

 

 

 

101

SLCV

I

Sled motor drive comparison signal input (V) from the motor driver (IC701)

 

 

 

 

102

SLCW

I

Sled motor drive comparison signal input (W) from the motor driver (IC701)

 

 

 

 

103

DIFVDD1

Power supply terminal (for DSP I/F) (+2.3V)

 

 

 

 

 

 

104

DIFVSS1

Ground terminal (for DSP I/F)

 

 

 

 

 

 

105

EFMO

O

EFM encode data output for the record to the over write head drive (IC601)

 

 

 

 

 

106

MNT0

O

Internal DSP monitor output (0) terminal

Not used (open)

 

 

 

 

 

107

MNT1

O

Internal DSP monitor output (1) terminal

Not used (open)

 

 

 

 

 

108

MNT2

O

Internal DSP monitor output (2) terminal

Not used (open)

 

 

 

 

 

109

MNT3

O

Internal DSP monitor output (3) terminal

Not used (open)

 

 

 

 

110

SENSE

O

Internal DSP (SENS) monitor output terminal Not used (open)

 

 

 

 

111

TX

O

Record data output enable signal output monitor terminal of the internal DSP

Not used (open)

 

 

 

 

 

 

 

 

 

 

 

112

RECP

O

Laser power changeover signal output monitor terminal Not used (open)

 

 

 

 

113

DSPVDD3

Power supply terminal (for DSP block) (+1.5V)

 

 

 

 

 

114 to 117

NC

O

Output terminal for the external D-RAM

Not used (open)

 

 

 

 

 

118

DRAMVSS0

Ground terminal (for the external D-RAM)

 

 

 

 

 

119

DRAMVDD0

Power supply terminal (for the external D-RAM) (+2.4V)

 

 

 

 

 

120 to 138

NC

O

Output terminal for the external D-RAM

Not used (open)

 

 

 

 

139

DRAMVDD1

Power supply terminal (for the external D-RAM) (+2.4V)

 

 

 

 

 

140

DRAMVSS1

Ground terminal (for the external D-RAM)

 

 

 

 

 

141

TSB MST VDD

Power supply terminal (for TSB master communication) (+2.8V)

 

 

 

 

142

RMC DTCK

I/O

TSB serial data input/output with the remote commander attached headphone

 

 

 

 

143

TSB SLV VDD

Power supply terminal (for I/F to TSB slave communication)

 

 

 

 

144

TSB SLVI

I

TSB slave signal input from the remote commander attached headphone

 

 

 

 

145

TSB SLVO

O

TSB slave signal output to the remote commander attached headphone

 

 

 

 

 

146

TDI

I

Data input terminal for JTAG

Not used (open)

 

 

 

 

 

147

TMS

I

Test mode control input terminal for JTAG

Not used (open)

 

 

 

 

 

148

TCK

I

Clock input terminal for JTAG

Not used (open)

 

 

 

 

 

149

XTRST

I

Reset input terminal for JTAG

Not used (open)

 

 

 

 

 

150

TDO

O

Data output terminal for JTAG

Not used (open)

 

 

 

 

 

151

JTAGVDD

Power supply terminal (for JTAG) (+2.4V)

 

 

 

 

 

 

 

152

JTAGVSS

Ground terminal (for JTAG)

 

 

 

 

 

 

153

MCUVDD2

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

 

 

 

 

154

MIFVDD0

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

 

 

 

 

155

MIFVSS0

Ground terminal (for the microcomputer I/F block)

 

 

 

 

156, 157

TEST1, TEST0

I

Input terminal for the main test (normally fixed at “L”)

 

 

 

 

 

158

EVA

I

EVA/FLASH chip discrimination terminal

“L”: FLASH chip, “H”: EVA chip

 

 

 

 

 

 

159

OPR LED

Not used (open)

 

 

 

 

 

 

160

SSB DATA

I/O

Input/output of SSB data with RF amp (IC501)

 

 

 

 

 

161

SSB CLK

O

SSB clock output to RF amp (IC501)

 

 

 

 

 

162

MCUVSS0

Ground terminal (for the microcomputer block)

 

 

 

 

163

VREC PWM

O

Over write head control spare terminal Not used (open)

 

 

 

 

164

VL PWM

O

PWM signal output for the laser power supply voltage control to the power control (IC901)

 

 

 

 

165

VC PWM

O

PWM signal output for the system power supply voltage control to the power control

(IC901)

 

 

 

 

 

 

 

 

 

 

 

166

SPDL AUX PWM

O

PWM signal output for the spindle support to the motor driver (IC701)

 

 

 

 

 

 

167, 168

NC

O

Not used (open)

 

 

 

 

 

 

169

CLK SEL

O

System clock select signal output to the power control (IC901)

 

 

 

 

170

OPEN CLOSE SW

I

Open/close detection switch (S806) of the upper panel input terminal

“L”: when upper panel close

 

 

 

 

 

 

 

 

 

 

 

 

 

27

Image 27
Contents MZ-B100 SpecificationsFlexible Circuit Board Repairing Table of ContentsDisassembly DiagramsEeprom Section Servicing NotesUnleaded Solder Lead Free MarkREVIEW/AMS/ CUE/AMS Section GeneralLocation and Function of Controls Front of the recorderRemote control Display windowREVIEW/AMS Section Disassembly Panel Lower AssyMain Board 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 Releasing the Test Mode Section Test ModeSetting Method of Test Mode Operation in Setting the Test ModeConfiguration of Test Mode Manual ModeMajor item switching 731 Overall Adjustment ModeSound Skip Check Result Display Mode Setting method of Sound Skip Check Result Display Mode000 000 R # # # # Self-Diagnosis Display ModeREC Description of Error Indication CodesClearing Self-Diagnosis Data and Total Recording Time Description of Indication HistoryKey Indication Key Check ModeNV Reset Section Electrical AdjustmentsPrecautions for Adjustment Adjustment SequenceAdjustment method of VC PWM Duty L mode number Adjustment method of Vrem PWM Duty L mode numberAdjustment method of Vrem PWM Duty H mode number 766 Adjustment method of VC PWM Duty H mode number765 767014 Temperature CorrectionAdjustment Method of temperature correction Adjustment Method of Overall Adjustment Mode043 Laser Power CheckConnection 141Pin No Pin name Description DiagramsSection Explanation of IC TerminalsHalf Lock SW MIFVSS3Xrst REC KEYDSPVSS0 AdrbAPC DSPVDD0DIFVSS1 SlcvSlcw DIFVDD1MIFVSS1 SET CODE0SET CODE1 SET CODE2Waveforms REC Analog Block Diagram Main /33131 3232 Semiconductor Printed Wiring Board Main /2Uses unleaded solder Refer to page 29 for NotesMain 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.