Sony MZ-N707 service manual IC551 SC111258FCR2

Page 45

IC551 SC111258FCR2

MZ-N707

WI2

VI2

42 41

UI2 43

PWM2 44

3PHASE

CONTROL

CH2

VC

VG

VC LOW

VOLTAGE

DETECTOR

CPUO2 45

PGNDW2 40

WO2

VMVW2 VO2 PGNDUV2

UO2 VMU2

VMR2 RO2

PGND2 FO2 VMF2

39

38 37 36

35 34

33 32

31 30 29

3PHASE

 

 

H-BRIDGE

 

PRE DRIVER

 

 

PRE DRIVER

 

CH2

 

 

CH2

 

VC

VG

VC

VG

VC VG

 

 

U

 

 

+

 

 

 

 

VC

H-BRIDGE CONTROL CH2

28FI2

27RI2

26COM2

25CPUI2

CPVO2 46

CPWO2

47

 

VC

BIAS

OE

48

 

GND1

49

VC VG

VC

50

 

VG

51

 

CPWO1

52

 

CPVO1

53

 

CPUO1

54

 

VC

3PHASE

CONTROL

CH1

PWM1 55

UI1 56

VC VG

3PHASE

PRE DRIVER

CH1

 

 

 

 

V

 

+

 

 

 

 

 

 

 

 

 

 

W

 

+

 

 

 

 

W

 

+

 

 

 

 

V

 

+

 

 

 

 

 

 

 

U

 

+

 

 

 

VC VG

H-BRIDGE

PRE DRIVER

CH1

 

24

CPVI2

 

23

CPWI2

 

22

NC

 

21

GND2

 

20

CPWI1

 

19

CPVI1

 

18

CPUI1

VC

17

COM1

 

 

H-BRIDGE

16

RI1

CONTROL

15

FI1

CH1

 

 

1 2

VI1 WI1

3

4

5

6

7

8

9

10 11

12 13 14

PGNDW1

WO1

VMVW1

VO1

PGNDUV1

UO1

VMU1

VMR1 RO1

PGND1 FO1 VMF1

45

Image 45
Contents 873-458-01 SpecificationsMZ-N707 Disassembly Table of ContentsDiagrams Flexible Circuit Board RepairingSystem requirements Section Servicing NotesSection General Looking at the controlsDisassembly Flow Section DisassemblyUpper Panel Section Case LowerMechanism Deck MT-MZN707-177 LCD MODULE, Upper Panel SUB AssyMain Board Gear SA Screw M1.4 OP Service Assy LCX-5RHolder Assy Gear HA Setting Method of Test Mode Section Test ModeOperation in Setting the Test Mode Releasing the Test ModeManual Mode Configuration of Test ModeTransition Method in Manual Mode N u a lSELF-DIAGNOSIS Result Display Mode Overall Adjustment ModeSelf-Diagnosis Result Display Mode Setting Method 8 S 1 BDescription of Error Indication Codes Reset the Error Display CodeSetting Method of Reset the Error Display Code Description of Indication HistoryV r Sound Skip Check Result Display ModeA t U l R s R y M p # # # # # # L a Y * * 0C O K * * 8 T O K * * 8S N V C C Section Electrical AdjustmentsS O K ? S e tT F l g * * 7 C d G n * * 3R e c 0 * * 7 R e c 1 * * 7P b 3 * * 7 P b 2 * * 7P b 4 * * 7 U m * * 8Power Supply Manual Adjustment L P W M * * 7H P W M * * 7 P w m H * * 7 P w m L * * 7C p w L * * 7 C p w H * * 7S e r T T m p * * 0E f P w I t P wMain Board Component Side IC501S y * * 0 S y 1S t CD and MO Overall Adjustment Items Adjustment Method of CD and MO Overall Adjustment Mode# # # S 0 0 0 Resume Clear Setting MethodS C l r 0 Resume ClearServicing Notes PreparationPre-check Rewriting the Patch DataMZ-N707 MZ-N707 Block Diagram SERVO/USB Section Section DiagramsBlock Diagram Audio Section Block Diagram DISPLAY/KEY CONTROL/POWER Supply Section Lead Layouts Main Board Component Side Semiconductor LocationIC902 Components identified by mark 0or dotted F1VM Schematic Diagram Main Board 3/4 See page 42 for Waveforms KCT 22.7 ∝ s WaveformsIC302 TA2131FL EL IC Block Diagrams IC301 AK5354VT-E2IC501 SN761057A IC551 SC111258FCR2 IC601 XPC18A22AFCR2 IC901 XPC18A32FCR2 IC PIN Function Description DVSS0 DRAMVSS0DVDD0 SSB DataVG CTL TrstAout SEL REC OPR LEDVbus DET Vref MONWK DET REC KEYVrefl DavddAoutl VrefrDVDD3 DVSS3IFVDD3 IFVSS3Flashvss FlashvddUpper PANEL, Case Lower Section Section Exploded ViewsMT-MZN707-177 Main board section Chassis Section101 104 102 103 Main Board Section301 353 Section Main Electrical Parts ListMain 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.