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Sony MZ-NF610 service manual Laser Power Check, Connection, Checking method

Models: MZ-NF610

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MZ-NF610

Laser Power Check

Note: If result of measurement of the laser power does not satisfy the specification, either replace the OP (optical pick-up unit) or check whether the laser circuit block is working correctly.

When the result of laser power measurement does not satisfy the specification even though the laser circuit block is confirmed to be working correctly, replace the OP (optical pick-up unit).

• Connection

laser

power meter

optical pick-up objective lens

• Checking method

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

laser power checking mode (item number 010).

10.Press the > key, and set the laser MO (X4 speed) write check mode (item number 014).

Set LCD display

014 # # # S * *

address

adjusted value

11.Check that the laser power meter reading is 5.93 ± 0.71mW.

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

Overall Adjustment Mode

• Configuration of Overall Adjustment Mode

Set LCD display

0 10

L a s e r

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 > key, and set the laser MO read check mode (item number 011).

Set LCD display

011 # # # S * *

address

adjusted value

5.Check that the laser power meter reading is 0.800 ± 0.10 mW.

6.Press the > key, and set the laser CD read check mode (item number 012).

Set LCD display

012 # # # S * *

address

adjusted value

7.Check that the laser power meter reading is 0.910 ± 0.11 mW.

8.Press the > key, and set the laser MO (X2 speed) write check mode (item number 013).

Set LCD display

013 # # # S * *

address

adjusted value

9. Check that the laser power meter reading is 4.95 ± 0.59 mW.

[END SEARCH]

 

x key

Overall adjustment mode

 

(Title display)

Continuing

overall adjustment

. key

CD overall

 

adjustment

> key

MO overall

 

 

adjustment

VOL+ key

Electrical

 

offset

 

adjustment

 

Temperature

key

correction

and

 

 

Power supply

 

adjustment

 

auto item feed

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Sony MZ-NF610 service manual Laser Power Check, Connection, Checking method, Configuration of Overall Adjustment Mode
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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.