Sony MZ-N707 service manual Block Diagram Audio Section

Page 33

MZ-N707

6-2. BLOCK DIAGRAM – AUDIO Section –

(Page 32)

(Page 32)

(Page 34)

(Page 32)

A

B

E

C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPTICAL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RECEIVER

 

 

 

 

 

 

 

 

 

 

 

VIF B+

B+ SWITCH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Q302

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DIN1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

J301

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LINE IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(OPTICAL)

 

 

 

 

 

 

 

A/D CONVERTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(LINE IN JACK)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC301

 

 

 

 

 

 

 

MIC AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LIN2

 

 

 

 

 

IC303

 

 

 

 

 

 

J303

 

 

 

 

 

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

MIC

 

 

 

 

 

 

 

 

 

 

LIN1

 

 

 

 

OUT1

 

IN1 3

 

 

 

 

 

 

 

 

 

 

 

 

A/D

 

1

 

 

 

1

 

 

 

 

 

 

 

ADDT

 

SDTO

AUDIO

 

GAIN

 

 

 

 

 

 

 

 

(PLUG IN POWER)

 

 

9

 

CONVERTER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

I/F

 

&

AMP

RIN2

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CONTROL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HPF

 

RIN1

 

 

 

 

OUT2

 

IN2 12

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

14

 

 

 

 

 

 

 

 

SDO0

13

CDTI

CONTROL

 

 

 

CLOCK

 

 

 

 

 

 

REGULATOR

STBY 9

 

 

 

 

 

 

 

SCK0

CCLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

14

REGISTER

 

 

 

DIVIDER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CSN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

I/F

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LRCK

 

 

MCLK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SDO0, SCK0

 

 

BCLK

 

PDN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10 12

 

16

11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HEADPHONE AMP

 

 

 

 

J302

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

i

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IC302

 

 

 

 

 

 

 

AOUTL,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AOUTR

 

 

 

 

 

 

 

 

AOUTL

 

 

22

IN L

 

 

 

OUT L

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTB BEEP

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AOUTR

 

 

21

IN R

 

 

 

OUT R

4

VC B+

F801

RVDD

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTA BEEP

23

 

 

DTCK

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

KEY-R

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HP/LINE

 

 

REFERENCE

 

RGND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MUTING

 

VREF IN

13

VOLTAGE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SWITCH

SWITCHING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

+

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BEEP

MUTE

 

 

 

 

Q301

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HP/L

 

 

 

 

RMC KEY

F

(Page 34)

 

 

 

 

 

 

 

 

 

 

 

 

 

15

17

 

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

197 196

 

148

198

 

 

58 37 36

38

49

69

 

93

 

 

 

 

 

 

 

 

 

 

XBCK

LRCK

 

XPDADC

FS256

 

 

XOPTCTL XJACDET

OPTDET

XMICDET

BEEP

MUTE

 

XHP

 

 

 

 

 

 

 

 

147

XCS ADC

 

 

 

 

STBY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SDI0

45

SI0

 

 

 

SYSTEM CONTROLLER,

RMC DTCK 120

 

 

 

DIGITAL SIGNAL PROCESSOR,

 

SDO0

 

 

 

 

46

SO0

 

 

 

16M BIT D-RAM

 

SCK0

 

 

 

 

47

SCK0

 

 

XCS NV1

IC801 (2/3)

 

 

 

 

 

 

 

 

 

 

 

OSCI

OSCO

 

 

 

 

 

71

150

151

 

 

SDI0

SDO0

SCK0

 

X801

SIGNAL PATH

 

 

 

 

 

 

45.1584MHz

 

 

4

3

2

1

 

: PLAYBACK

 

 

DO DI SK

XCS

 

: REC (ANALOG IN)

 

 

 

EEPROM

 

: REC (DIGITAL IN)

 

 

 

 

 

 

 

 

IC804

 

 

 

33 33

Image 33
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.