MZ-N707

TEMPERATURE CORRECTION

• Adjustment Method of Temperature Correction

1.Select the manual mode of test mode, and set the item number 015 (see page 14).

Set LCD display

S e t T m p * * 0 15

**: Adjusted value

2.Measure the ambient temperature.

3.Adjust with [VOL +], [VOL --]key so that the adjusted value

(hexadecimal value) becomes the ambient temperature. (Initial value: 19h = 25 ° C, Adjusting range: 80h to 7fh (–128 ° C to +127 ° C)

4.Press the X key to write the adjusted value.

LASER POWER CHECK

• Connection

laser power meter

Optical pick-up objective lens

digital voltmeter

MAIN board

TP (+)

TP (–)

• Checking Method

1.Select the manual mode of test mode (see page 14), and set the laser power adjusting mode (item number 010).

Set LCD display

L a s e r

010

2.Press the . key continuously until the optical pick-up moves to the most inward track.

3.Open the cover and set the laser power meter on the objective lens of the optical pick-up.

4.Press the N key, and set the laser MO read adjustment mode (item number 011).

Set LCD display

L r e f P w * *

011

5.Check that the laser power meter reading is 0.81 ± 0.08 mW.

6.Check that the voltage both ends (TP (+) and TP (–)) of resis- tor R521 at this time is below 44 mV.

7.Press the N key, and set the laser CD read adjustment mode (item number 012).

Set LCD display

H r e f P w * *

012

8.Check that the laser power meter reading is 0.97 ± 0.10 mW.

9.Check that the voltage both ends (TP (+) and TP (–)) of resis- tor R521 at this time is below 44 mV.

10.Press the N key, and set the laser MO write adjustment mode (item number 013).

Set LCD display

W r i t P w * *

013

11.Check that the laser power meter reading is 4.95 ± 0.50 mW.

12.Check that the voltage both ends (TP (+) and TP (–)) of resis- tor R521 at this time is below 80 mV.

13.Press the x/CHG key to quit the manual mode, and activate the test mode (display check mode).

Checking and Connection Location: MAIN board (see page 25)

24

Page 24
Image 24
Sony MZ-N707 service manual T T m p * * 0, S e r, E f P w, I t P w

MZ-N707 specifications

The Sony MZ-N707, released in the early 2000s, is a remarkable portable MiniDisc player that represents a significant leap forward in digital audio technology. Known for its compact size and impressive sound quality, the MZ-N707 quickly became a favorite among music enthusiasts during its heyday.

One of the standout features of the MZ-N707 is its advanced ATRAC (Adaptive Transform Acoustic Coding) audio compression technology. This proprietary format allows for high-quality audio playback while minimizing file size, making it easier for users to store and carry their favorite tracks. The MiniDisc format supports a variety of bit rates, enabling listeners to choose between higher quality or more storage capacity based on their personal preferences.

The MZ-N707’s sleek and lightweight design is ideal for on-the-go listening, fitting comfortably in a pocket or bag. It boasts a clear LCD display that provides essential information such as track titles, playback time, and battery life, ensuring users stay informed while enjoying their music.

Battery life is another major selling point for the MZ-N707. With the ability to run for several hours on a single charge, this player is perfect for long journeys or extended listening sessions. Additionally, it uses a rechargeable lithium-ion battery, which was a welcome feature at the time, reducing the need for frequent battery replacements and promoting environmental sustainability.

Connectivity options also make the MZ-N707 an appealing choice. It comes with an integrated USB port for easy data transfer between the player and a computer, allowing users to upload their favorite audio tracks with minimal hassle. Furthermore, it supports various audio formats, enabling compatibility with a wide range of music sources.

The MZ-N707 is equipped with a range of customizable sound settings, including equalizer presets that allow users to tailor the audio output to fit their listening preferences. This flexibility enhances the user experience, making it suitable for different genres and environments.

In summary, the Sony MZ-N707 MiniDisc player features cutting-edge technology, portability, excellent battery life, and user-friendly options that appeal to audiophiles and casual listeners alike. Its legacy is a testament to Sony's commitment to innovation in portable audio solutions during the early 21st century. Whether for casual listening or serious music collection, the MZ-N707 remains a notable device in the history of digital audio.