Sony MZ-B100 Section, Diagrams, Explanation of IC Terminals, Pin No Pin name Description

Page 24

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

I/O

Description

 

 

 

 

 

1

 

TE

O

Tracking error signal output to IC801

 

 

 

 

 

2

 

REXT

—

Connected to the external resistor for the ADIP amplifier control

 

 

 

 

 

3

 

WPPLPF

—

Connected to the external capacitor for low-pass filter of the TPP/WPP

 

 

 

 

 

4

 

VREF11

O

Reference voltage output terminal (+1.1V)

 

 

 

 

 

5

 

C

I

Signal input from the optical pick-up detector (C)

 

 

 

 

 

6

 

D

I

Signal input from the optical pick-up detector (D)

 

 

 

 

 

7

 

D-C

I

Signal input from the optical pick-up detector (D) (AC input)

 

 

 

 

 

8

 

IY

I

I-V converted RF signal IY input from the optical pick-up block detector

 

 

 

 

 

9

 

IX

I

I-V converted RF signal IX input from the optical pick-up block detector

 

 

 

 

 

10

 

JX

I

I-V converted RF signal JX input from the optical pick-up block detector

 

 

 

 

 

11

 

JY

I

I-V converted RF signal JY input from the optical pick-up block detector

 

 

 

 

 

12

 

A

I

Signal input from the optical pick-up detector (A)

 

 

 

 

 

13

 

A-C

I

Signal input from the optical pick-up detector (A) (AC input)

 

 

 

 

 

14

 

B

I

Signal input from the optical pick-up detector (B)

 

 

 

 

 

15

 

TON-C

—

Connected to the external capacitor for the TON hold

 

 

 

 

 

16

 

CIG

—

Connected to the external capacitor for low-pass filter of the NPP divider denominator

 

 

 

 

 

17

 

CDN

—

Connected to the external capacitor for low-pass filter of the CSL divider denominator

 

 

 

 

 

18

 

PD-NI

I

Light amount monitor input terminal (non-invert input)

 

 

 

 

 

19

 

PD-I

I

Light amount monitor input terminal (invert input)

 

 

 

 

 

20

 

PD-O

O

Light amount monitor output terminal

 

 

 

 

 

21

 

ADFG

O

ADIP duplex FM signal (22.05 kHz ± 1 kHz) output to IC801

 

 

 

 

 

22

 

DVDD

—

Power supply terminal (+2.4V) (digital system)

 

 

 

 

 

23

 

SBUS

I/O

Two-way SSB serial data bus with the system controller (IC801)

 

 

 

 

 

24

 

SCK

I

SSB serial clock signal input from the system controller (IC801)

 

 

 

 

 

25

 

–––––––––––

I

Reset signal input from the system controller (IC801) “L”: reset

 

XRST

 

 

 

 

 

26

 

OFTRK

I

Off track signal input from IC801

 

 

 

 

 

27

 

DGND

—

Ground terminal (digital system)

 

 

 

 

 

28

 

BOTM

O

Light amount signal (RF/ABCD) bottom hold output to IC801

 

 

 

 

 

29

 

PEAK

O

Light amount signal (RF/ABCD) peak hold output to IC801

 

 

 

 

 

30

 

VREF075

—

Connected to the external capacitor for the internal reference voltage

 

 

 

 

 

31

 

VC

O

Middle point voltage (+1.2V) generation output terminal

 

 

 

 

 

32

 

CCSL2

—

Connected to the external capacitor for low-pass filter of the TPP/WPP

 

 

 

 

 

33

 

RF OUT

O

Playback EFM RF signal output to IC801

 

 

 

 

 

34

 

AGND

—

Ground terminal (analog system)

 

 

 

 

 

35

 

EQ

—

Connected to the external capacitor for the RF equalizer

 

 

 

 

 

36

 

LP

—

Connected to the external capacitor for the RF equalizer

 

 

 

 

 

37

 

PS

—

Connected to the external capacitor for the RF equalizer

 

 

 

 

 

38

 

OFC-2

—

Connected to the external capacitor for the RF AC coupling

 

 

 

 

 

39

 

OFC-1

—

Connected to the external capacitor for the RF AC coupling

 

 

 

 

 

40

 

AVCC

—

Power supply terminal (+2.4V) (analog system)

 

 

 

 

 

41

 

ABCD

O

Light amount signal (ABCD) output to IC801

 

 

 

 

 

42

 

FE

O

Focus error signal output to IC801

 

 

 

 

 

43

 

S-MON

O

Servo signal monitor output to the system controller (IC801)

 

 

 

 

 

44

 

ADIP-IN

I

ADIP duplex FM signal (22.05 kHz ± 1 kHz) input terminal Not used

 

 

 

 

 

24

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Contents Specifications MZ-B100Table of Contents DisassemblyDiagrams Flexible Circuit Board RepairingSection Servicing Notes Unleaded SolderLead Free Mark EepromSection General Location and Function of ControlsFront of the recorder REVIEW/AMS/ CUE/AMSRemote control Display windowREVIEW/AMS Section Disassembly Panel Lower AssyMain Board Cabinet Belt Section KEY Board UnitMechanism Deck Optical PICK-UP Block LCX-4R Gear SA Screw M1.4Holder Assy MOTOR, DC Sled M602Qs chassis assy, gear Section Test Mode Setting Method of Test ModeOperation in Setting the Test Mode Releasing the Test ModeConfiguration of Test Mode Manual ModeMajor item switching Overall Adjustment Mode 731Sound Skip Check Result Display Mode Setting method of Sound Skip Check Result Display Mode000 Self-Diagnosis Display Mode 000 R # # # #Description of Error Indication Codes Clearing Self-Diagnosis Data and Total Recording TimeDescription of Indication History RECKey Check Mode Key IndicationSection Electrical Adjustments Precautions for AdjustmentAdjustment Sequence NV ResetAdjustment 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 Adjustment method of VC PWM Duty H mode number 765767 766Temperature Correction Adjustment Method of temperature correctionAdjustment Method of Overall Adjustment Mode 014Laser Power Check Connection141 043Diagrams SectionExplanation of IC Terminals Pin No Pin name DescriptionMIFVSS3 XrstREC KEY Half Lock SWAdrb APCDSPVDD0 DSPVSS0Slcv SlcwDIFVDD1 DIFVSS1SET CODE0 SET CODE1SET CODE2 MIFVSS1Waveforms Block Diagram Main /3 REC Analog3131 3232 Printed Wiring Board Main /2 Uses unleaded solderRefer to page 29 for Notes SemiconductorMain Board +B Switch Sledn 3737 CLV IC Block Diagrams IC301 AK5354VT-E2XPC18A22FCR2 IC701 SC111258FCR2 Exploded Views Panel Lower SectionPanel Upper LID Section 5354118 107 106 116 105 116 103 108 109 111 110 112 113 114 102 117 101 115Mechanism Deck Section MT-MZB100-171 Section Electrical Parts List MainTantalum 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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