MZ-NF810/NF810CK

SECTION 4

TEST MODE

Outline

•This set provides the Overall adjustment mode that allows CD and MO discs to be automatically adjusted when in the test mode. In this overall adjustment mode, the disc is discriminated be- tween CD and MO, and each adjustment is automatically ex- ecuted in order. If a fault is found, the system displays its loca- tion. Also, the manual mode allows each individual adjustment to be automatically adjusted.

•Operation in the test mode is performed with the set. A key having no particular description in the text, indicates a set key.

•For the LCD display, the LCD on the remote commander is shown, but the contents of LCD display on the set are same.

Operation in Setting the Test Mode

•When the test mode becomes active, first the display check mode is selected.

•Other mode can be selected from the display check mode.

•When the test mode is set, the LCD repeats the following dis- play.

Remote commander LCD display

All lit

Setting Method of Test Mode

There are three different methods to set the test mode:

1Short SL803 (TEST) on the MAIN board with a solder bridge (connect pin <zx. of IC801 to the ground) and turn on the power.

– MAIN Board (Side B) –

SL803

(TEST)

All off

 

 

 

 

 

Microcomputer

 

 

 

 

 

 

version

 

006 V 1 . 5 0 0

 

display

 

 

 

 

 

 

Set LCD display

All lit

All off

Microcomputer

00 6

 

version

 

 

display

Ver 1.500

 

 

 

 

•When the X key is pressed and hold down, the display at that time is held so that display can be checked.

2In the normal mode, turn on the [HOLD] switch. While press- ing the [GROUP] key press the following order:

>t t >t t .T t .T t >t t

.T t >t t .T t X t X

3In the normal mode, turn on the [HOLD] switch on the set. While pressing the xCANCEL/CHG key on the set, press the keys on the remote commander with the following order:

N > t N > t . t . t N > t

. t N > t . t t

Note: If electrical adjustment (CD and MO overall adjustment) has not been finished completely, “ERROR” is displayed on LCDs of the set and the remote commander.

Releasing the Test Mode

For test mode set with the method 1:

Turn off the power and open the solder bridge on SL803 (TEST) on the MAIN board.

Note: Remove the solders completely. Remaining could be shorted with the chassis, etc.

For test mode set with the method 2 or 3:

Turn off the power.

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Sony MZ-NF810 service manual Section Test Mode, Outline, Operation in Setting the Test Mode, Setting Method of Test Mode
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MZ-NF810 specifications

The Sony MZ-NF810 is a notable entry in the portable digital music player market, primarily aimed at users who seek high-quality audio playback and advanced recording capabilities. This MiniDisc player is celebrated for its compact design, making it an ideal companion for on-the-go listeners who value both audio quality and portability.

One of the standout features of the MZ-NF810 is its support for ATRAC compression technology. ATRAC, short for Adaptive Transform Acoustic Coding, provides a means to compress audio files while still maintaining impressive sound fidelity. This technology was specifically designed to optimize audio for the MiniDisc format, allowing users to enjoy longer playtimes without sacrificing sound quality. The MZ-NF810 can store up to 40 hours of music on a single battery charge, a significant advantage for audiophiles and casual listeners alike.

The device also boasts a high-resolution LCD display, providing crucial information about the currently playing track, including title, artist, and remaining battery life. Navigation is smooth and user-friendly, allowing users to access their music collections with ease. In addition, the MZ-NF810 supports USB connectivity, enabling users to transfer music and files directly from their computers. This feature eliminates the need for additional software, streamlining the process of loading music onto the device.

An important aspect of the MZ-NF810 is its recording capabilities. The player allows users to record live audio directly onto MiniDiscs, providing the freedom to capture concerts, lectures, or personal notes. The addition of various recording modes, including long-play options, enhances its utility for users who need diverse functionality.

Sound quality is further augmented with features such as Dynamic Bass Boost and a five-band equalizer, allowing users to tailor their listening experience to their preferences. The MZ-NF810 also supports various audio formats, adding to its versatility as a personal audio device.

Lastly, the MZ-NF810's sleek and lightweight design makes it not only aesthetically pleasing but also comfortable to carry, making it a practical choice for those who lead active lifestyles. In summary, the Sony MZ-NF810 MiniDisc player stands out for its audio quality, recording features, and user-friendly design, catering to music enthusiasts who demand both performance and portability in their listening experience.
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