MZ-NF610

6-2. Note For Printed Wiring Board And Schematic Diagrams

• Waveforms

Note on Printed Wiring Board:

•X : parts extracted from the component side.

•Y : parts extracted from the conductor side.

• : 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

(Side A)

the pattern face are indicated.

Parts face side:

Parts on the parts face side seen from

(Side B)

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 IC501,IC801 on MAIN board requires a special tool.

•Lead Layouts

surface

Lead layout of conventional IC

CSP (chip size package)

✩When IC852 is damaged, replace the MAIN board.

Note on Schematic Diagram:

•All capacitors are in µF unless otherwise noted. pF: µµF 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.

•C : panel designation.

Note:

Note:

The components identified by

Les composants identifiés par

mark 0 or dotted line with mark

une marque 0 sont critiques

0 are critical for safety.

pour la sécurité.

Replace only with part number

Ne les remplacer que par une

specified.

pièce portant le numéro spécifié.

 

 

•A : B+ Line.

•Total current is measured with MD installed.

•Power voltage is dc 3 V and fed with regulated dc power supply from DC IN 3 V jack (J951).

•Voltages and waveforms are dc with respect to ground in

playback mode.

no mark : PLAYBACK

( ) : REC

∗: 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.

J : PLAYBACK

c : DIGITAL IN

F : ANALOG IN

f : RECORD

N : USB

1 IC501 9 (RFO)(TP1517)

4 IC601 4 (CLK)

2.5Vp-p

7 IC901 yd (CLK)

2.5Vp-p

0 IC302 qs (LRCK)

 

 

 

 

(REC mode)

 

 

5.67∝s

 

5.67∝s

 

22.7∝s

2.4Vp-p

500mV/DIV, 200ns/DIV 1.2Vp-p

 

 

 

 

1V/DIV, 2∝s/DIV

 

1V/DIV, 2∝s/DIV

 

1V/DIV, 10∝s/DIV

 

2 IC501 rd (TE)(SL501)

5 IC801 2 (OSCO)

8 IC302 qa (MCLK)

 

 

 

 

(at the point of R806)

 

 

 

 

580mVp-p

44.3ns

2Vp-p

 

 

 

 

500mV/DIV, 1ms/DIV

88.6ns

2.6Vp-p

 

 

500mV/DIV, 20ns/DIV

 

1V/DIV, 40ns/DIV

 

 

 

3 IC501 rs (FE)(SL502)

6 IC801 <z,/ (UOSCO)

9 IC302 0 (BCLK)

 

 

 

 

(USB mode)

 

(REC mode)

 

 

 

 

(at the point of R823)

 

 

 

 

240mVp-p

 

 

 

2.6Vp-p

 

 

 

20.8ns

3.2Vp-p

354ns

 

 

 

 

 

 

200mV/DIV, 1ms/DIV

1V/DIV, 10ns/DIV

 

1V/DIV, 100ns/DIV

 

 

 

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

* Replacement of IC501,IC801 on MAIN board requires a special tool.

✩When IC852 is damaged, replace the MAIN board.

•Abbreviation

CND : Canadian model

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Sony MZ-NF610 service manual Waveforms, Surface
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MZ-NF610 specifications

The Sony MZ-NF610 is a standout portable mini disc player and recorder that epitomizes the innovation synonymous with Sony in the early 2000s. Released as part of the Net MiniDisc series, it offered a convenient way to manage and enjoy music on the go. While the popularity of digital downloads and streaming services has eclipsed physical media formats, the MZ-NF610 remains a nostalgic piece of technology that reflects a unique era in personal audio.

One of the main features of the MZ-NF610 is its large storage capacity, leveraging the MiniDisc format to offer up to 1GB of data storage on each disc. This allows music enthusiasts to store multiple albums or hours of music in a compact form. The device supports LP2 and LP4 recording modes, which not only provide flexibility in recording quality but also enhance the total recording time, making it ideal for long journeys or extensive music libraries.

The MZ-NF610 showcases SONY’s exceptional ATRAC3 encoding technology, which compresses audio files while preserving sound quality. This technology enables users to transfer music from CD directly to MiniDisc with impressive fidelity. Additionally, with its USB connection, the MZ-NF610 provides a seamless way to transfer music files from a computer, further enhancing its usability.

An important characteristic of the MZ-NF610 is its design. This model is compact, lightweight, and equipped with an easy-to-use interface, making it perfect for portability. The ergonomically designed controls simplify navigation through tracks and menus, while the backlit LCD display ensures visibility in various lighting conditions.

Battery life is another notable feature of the MZ-NF610, with the ability to run for long periods on a single charge. The player is powered by a rechargeable lithium-ion battery, which enhances its eco-friendliness and eliminates the need for disposable batteries.

Overall, the Sony MZ-NF610 is a remarkable combination of portability, audio quality, and user convenience. It highlights Sony’s commitment to pushing the boundaries of personal audio technology, making it a cherished collector's item for those who appreciate the charm of MiniDisc players. Even in an age dominated by digital streaming, the MZ-NF610 stands as a testament to the enduring appeal of physical media and the nostalgic experience it provides.
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