Sony MZ-N707 service manual

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MZ-N707

Modulation system

EFM (Eight to Fourteen Modulation)

Number of channels

2 stereo channels

1 monaural channel

Frequency response

20 to 20,000 Hz ± 3 dB

Wow and Flutter

Below measurable limit

Inputs

Microphone: stereo mini-jack, minimum input level 0.35 mV

Line in: stereo mini-jack, minimum input level 49 mV

Optical (Digital) in: optical (digital) mini-jack

Output

i: stereo mini-jack, maximum output level 5mW+5mW, load impedance 16 ohm (except US model) 5mW+5mW, load impedance 24 ohm (US model)

General

Power requirements

Sony AC Power Adaptor connected at the DC IN 3 V jack (country model in parentheses):

120 V AC, 60 Hz (USA, Canada)

230 V AC, 50/60 Hz (Continental Europe)

230 - 240 V AC, 50 Hz (U.K.)

Nickel Cadmium rechargeable battery NC- WMAA (supplied)

LR6 (size AA) alkaline battery (not supplied)

Dimensions

Approx. 81 ⋅ 74.4 ⋅ 27.7 mm (w/h/d) (31/4 ⋅ 3

⋅11/8 in.) without projections.

Mass

Approx. 116 g (4.1 oz) the recorder only

Supplied accessories

NC-WMAA Nickel Cadmium rechargeable battery (1) AC power adaptor (1)

Headphones/earphones with a remote control (1) Battery charging stand (1)

Optical cable (1) USB cable (1) CD-ROM (1)* Battery carrying case (1)

Carrying pouch (1) (US and Canadian models) Carrying case with a belt clip (1) (except US model) Blank Minidisc (1) (US and Canadian models)

Car connecting pack (1) (US and Canadian models) Car battery cord (1) (US and Canadian models)

∗Do not play a CD-ROM on an audio CD player.

Design and specifications are subject to change without notice.

Battery life1)

When recording2)

(Unit: approx.hours)(JEITA3))

Batteries

SP

LP2

LP4

 

Stereo

Stereo

Stereo

 

 

 

 

NC-WMAA

4

6

7.5

Nickel

 

 

 

Cadmium

 

 

 

rechargeable

 

 

 

battery4)

 

 

 

LR6 (SG)

9

13

16

Sony alkaline

 

 

 

dry battery5)

 

 

 

1)The battery life may be shorter due to operating conditions, the temperature of the location, and varieties of batteries.

2)When you record, use a fully charged rechargeable battery. Recording time may differ according to the alkaline batteries.

3)Measured in accordance with the JEITA (Japan Electronics and Information Technology Industries Association) standard.

4)When using a 100% fully charged rechargeable battery.

5)When using a Sony LR6 (SG) “STAMINA” alkaline dry battery (produced in Japan).

When playing

(Unit: approx.hours)(JEITA1))

Batteries

SP

LP2

LP4

 

Stereo

Stereo

Stereo

 

 

 

 

NC-WMAA

15

16

20

Nickel

 

 

 

Cadmium

 

 

 

rechargeable

 

 

 

battery2)

 

 

 

LR6 (SG)

42

48

56

Sony alkaline

 

 

 

dry battery3)

 

 

 

1)Measured in accordance with the JEITA (Japan Electronics and Information Technology Industries Association) standard.

2)When using a 100% fully charged rechargeable battery.

3)When using a Sony LR6 (SG) “STAMINA” alkaline dry battery (produced in Japan).

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIAGRAMS

AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- LISHED BY SONY.

ATTENTION AU COMPOSANT AYANT RAPPORT

À LA SÉ CURITÉ !

LES COMPOSANTS IDENTIFIÉ S PAR UNE MARQUE 0

SUR LES DIAGRAMMES SCHÉ MATIQUES ET LA LISTE DES PIÈ CES SONT CRITIQUES POUR LA SÉ CURITÉ DE FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS QUE PAR DES PIÈ CES SONY DONT LES NUMÉ ROS SONT DONNÉ S DANS CE MANUEL OU DANS LES SUPPLÉ MENTS PUBLIÉ S PAR SONY.

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Contents Specifications 873-458-01MZ-N707 Diagrams Table of ContentsDisassembly Flexible Circuit Board RepairingSection Servicing Notes System requirementsLooking at the controls Section GeneralSection Disassembly Disassembly FlowCase Lower Upper Panel SectionLCD MODULE, Upper Panel SUB Assy Mechanism Deck MT-MZN707-177Main Board OP Service Assy LCX-5R Gear SA Screw M1.4Holder Assy Gear HA Operation in Setting the Test Mode Section Test ModeSetting Method of Test Mode Releasing the Test ModeTransition Method in Manual Mode Configuration of Test ModeManual Mode N u a lSelf-Diagnosis Result Display Mode Setting Method Overall Adjustment ModeSELF-DIAGNOSIS Result Display Mode 8 S 1 BSetting Method of Reset the Error Display Code Reset the Error Display CodeDescription of Error Indication Codes Description of Indication HistoryA t U l R s R y M p # # # # # # Sound Skip Check Result Display ModeV r L a Y * * 0T O K * * 8 C O K * * 8S O K ? Section Electrical AdjustmentsS N V C C S e tR e c 0 * * 7 C d G n * * 3T F l g * * 7 R e c 1 * * 7P b 4 * * 7 P b 2 * * 7P b 3 * * 7 U m * * 8H P W M * * 7 Power Supply Manual AdjustmentL P W M * * 7 C p w L * * 7 P w m L * * 7P w m H * * 7 C p w H * * 7E f P w T T m p * * 0S e r I t P wIC501 Main Board Component SideS t S y * * 0S y 1 Adjustment Method of CD and MO Overall Adjustment Mode CD and MO Overall Adjustment ItemsS C l r 0 Resume Clear Setting Method# # # S 0 0 0 Resume ClearPre-check PreparationServicing Notes Rewriting the Patch DataMZ-N707 MZ-N707 Section Diagrams Block Diagram SERVO/USB SectionBlock Diagram Audio Section Block Diagram DISPLAY/KEY CONTROL/POWER Supply Section Lead Layouts Semiconductor Location Main Board Component SideIC902 Components identified by mark 0or dotted F1VM Schematic Diagram Main Board 3/4 See page 42 for Waveforms KCT Waveforms 22.7 ∝ sIC Block Diagrams IC301 AK5354VT-E2 IC302 TA2131FL ELIC501 SN761057A IC551 SC111258FCR2 IC601 XPC18A22AFCR2 IC901 XPC18A32FCR2 IC PIN Function Description DVDD0 DRAMVSS0DVSS0 SSB DataAout SEL TrstVG CTL REC OPR LEDWK DET Vref MONVbus DET REC KEYAoutl DavddVrefl VrefrIFVDD3 DVSS3DVDD3 IFVSS3Flashvdd FlashvssSection Exploded Views Upper PANEL, Case Lower SectionChassis Section MT-MZN707-177 Main board sectionMain Board Section 101 104 102 103301 353 Main Electrical Parts List SectionMain XPC18A22AFCR2 Resistor OPEN/CLOSE Detect EMI Filter Card Operating Instruction Revision History

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.
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