MZ-N510CK

SECTION 5

ELECTRICAL ADJUSTMENTS

Outline

In this set, automatic adjustment of CD and MO can be per- formed by entering the test mode.

However, before starting automatic adjustment, the memory clear, power supply adjustment, and laser power check must be performed in the manual mode.

A key having no particular description in the text, indicates a set key.

3.Press the X key once more.

Set LCD display

0 21 R e s * * *

NV reset (after several seconds)

Precautions for Adjustment

1.Adjustment must be done in the test mode only. After adjusting, release the test mode.

2.Use the following tools and measuring instruments.

• Test CD disc

TDYS-1

 

(Part No. : 4-963-646-01)

SONY MO disc available on the market

Digital voltmeter

• Laser power meter LPM-8001

(Part No. : J-2501-046-A)

Thermometer (using the Temperature Correction)

Personal computer

USB cable

3.Unless specified otherwise, supply DC 3V from the DC IN 3V jack (J951).

4.Switch position

HOLD switch ............................................... ON

Adjustment Sequence

1.

NV Reset (item number: 021)

 

(EEPROM clear)

 

 

r

 

2.

Temperature Correction (item number: 015)

 

r

 

3.

Power Supply Manual Adjustment

Manual Mode

 

r

 

4.

Laser Power Check and Adjustment

 

r

 

5.

Adjustment required before Overall

 

Adjustment

 

r

 

6.

CD Overall Adjustment (item number: 031)

 

r

Overall Mode

7.

MO Overall Adjustment (item number: 034)

 

r

 

8.

RESUME Clear (item number 043)

Manual Mode

 

r

9.Rewriting the Patch Data

(at replacement of the MAIN board) r

10.Rewriting the NV values

NV Reset

• Setting Method of NV Reset

1.Select the manual mode of the test mode, and set item number 021 NV Reset (see page 14).

Set LCD display

0 21

* * * S C C

 

 

2.Press the X key.

Set LCD display

0 21

R e s e t !

 

 

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

Temparature Correction

• Adjustment Method of Temperature Correction

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

Set LCD display

0 15

S e t T m p

 

 

2.Measure the ambient temperature.

3.Adjust with [VOL +] or [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 or press the --key on the remote commander to write the adjusted value.

Power Supply Manual Adjustment

• Adjustment sequence

Adjustment must be done with the following steps.

1.VC1_LOW (PB) adjustment (item number : 741)

2.VC1_HIGH (REC) adjustment (item number : 742)

3.VC2_LOW adjustment (item number : 743)

4.VC2_HIGH adjustment (item number : 744)

5.REG1 adjustment (item number : 745)

6.REG3_LOW1 adjustment (item number : 747)

7.REG3_LOW2 adjustment (item number : 748)

8.REG3_HIGH adjustment (item number : 749)

9.VREC_LOW (X2 speed) adjustment (item number : 751)

10.VREC_MIDDLE (X4 speed)adjustment (item number : 752)

11.VREC_HIGH (HEAD MOTOR) adjustment (item number : 753)

12.CHGV_LOW adjustment (item number : 755)

13.CHGV_HIGH adjustment (item number : 756)

14.CHGI_LOW (current) adjustment (item number : 757)

15.CHGI_HIGH (current) adjustment (item number : 758)

• Setting Method of Power Supply Manual Adjustment

1.Make sure that the power supply voltage is 3V.

2.Select the manual mode of the test mode (see page 14).

3.Set item number.

Note1: BATT- terminal is not GND when AC adaptor is used.

Note2: Power supply adjustment auto item feed mode (page 25) is available to perform the temperature Correction and Power Supply Adjustment without entering the manual mode.

0 21

R e s O K ?

19

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Sony service manual E s, S e t, T T m p, MZ-N510CK Section Electrical Adjustments

MZ-N510CK specifications

The Sony MZ-N510CK is a sophisticated mini-disc player that epitomizes the blend of portability and high-fidelity audio technology. Introduced in the early 2000s, this device became a favorite among audiophiles and casual listeners alike due to its compact design and impressive features. One of the standout characteristics of the MZ-N510CK is its ability to record in both SP and LP mode. SP mode offers crisp, CD-quality sound, while LP mode allows users to store more audio tracks onto a single disc, providing flexibility for users who prioritize capacity over audio fidelity.

The MZ-N510CK is equipped with Sony’s ATRAC (Adaptive Transform Acoustic Coding) technology. This lossy compression algorithm was designed to reduce the size of audio files without significantly compromising sound quality. With ATRAC, users can enjoy extended playtime on their mini-discs while maintaining an enjoyable listening experience. This makes the device particularly useful for long trips or extended listening sessions.

Another key feature of the MZ-N510CK is its superb battery life. Sporting an efficient power management system, the player can provide several hours of playback on just a single charge. This is especially advantageous for users who frequently travel, as it minimizes downtime waiting for the device to recharge.

The MZ-N510CK also boasts a sleek, user-friendly interface that enhances its overall usability. The easy-to-read LCD screen allows users to navigate through tracks seamlessly. Additionally, this model comes with a skip-free playback feature, which is particularly helpful during activities like jogging or walking, where bumps and jostles might typically disturb audio playback.

For connectivity, the MZ-N510CK includes a USB port, facilitating easy transfer of music files from a computer to the mini-disc. This connectivity feature was relatively advanced for the time, making the device more versatile in an era where digital music was rapidly on the rise.

In essence, the Sony MZ-N510CK presents an impressive package of features: high-quality audio recording options, cutting-edge compression technology, long battery life, a convenient interface, and strong connectivity options. Its combination of portability and performance makes it a remarkable device that continues to be appreciated by those who value high-quality sound in a compact format.