Sony NHF800 service manual IC Pin Function Description

Page 40

MZ-NH700/NHF800

Ver 1.1

IC Pin Function Description

IC801 CXD2681-223GG (SYSTEM CONTROLLER, DIGITAL SIGNAL PROCESSOR)

Pin No.

Pin Name

I/O

Description

1DVDD1_0 — Power supply terminal

2DVSS1_0 — Ground terminal

3DVDD1_1 — Power supply terminal

4DVSS1_1 — Ground terminal

5DVDD1_2 — Power supply terminal

6DVSS1_2 — Ground terminal

7DVDD1_3 — Power supply terminal

8DVSS1_3 — Ground terminal

9DVDD1_4 — Power supply terminal

10

DVSS1_4

— Ground terminal

11DVDD1_5 — Power supply terminal

12DVSS1_5 — Ground terminal

13DVDD1_6 — Power supply terminal

14DVSS1_6 — Ground terminal

15DVDD1_7 — Power supply terminal

16DVSS1_7 — Ground terminal

17DVDD1_8 — Power supply terminal

18DVSS1_8 — Ground terminal

19DVDD1_9 — Power supply terminal

20DVSS1_9 — Ground terminal

21

DVDD3

Power supply terminal

22

VSS_3

Ground terminal

23DVDD1_10 — Power supply terminal

24DVSS1_10 — Ground terminal

25DVDD1_11 — Power supply terminal

26DVSS1_11 — Ground terminal

27

AVDD1A

— Power supply terminal (for PLL)

28

AVSS1A

— Ground terminal (for PLL)

 

 

 

 

29

AVDD1B

Power supply terminal

 

 

 

 

30

AVSS1B

Ground terminal

 

 

 

 

31

AVDD1C

Power supply terminal

32

AVDD2

— Power supply terminal (for A/D converter)

 

 

 

33

DVDD25SVADC

— Power supply terminal (for A/D converter)

34

AVSS2

— Ground terminal (for A/D converter)

 

 

 

35

AVDD3

— Power supply terminal (for A/D converter)

 

 

 

36

AVSS3

— Ground terminal (for A/D converter)

 

 

 

37

AVDD4A

— Power supply terminal (for PLL)

 

 

 

38

AVSS4A

— Ground terminal (for PLL)

 

 

 

39

AVDD4B

— Power supply terminal (for PLL)

 

 

 

40

AVSS4B

— Ground terminal (for PLL)

 

 

 

41

AVDD4C

— Power supply terminal (for D/A converter)

 

 

 

42

AVSS4C

— Ground terminal (for D/A converter)

 

 

 

43

AVDD5

— Power supply terminal (for PLL)

 

 

 

44

AVSS5

— Ground terminal (for PLL)

 

 

 

45

AVDD6

— Power supply terminal (for A/D converter)

 

 

 

46

AVSS6

— Ground terminal (for A/D converter)

40

Image 40
Contents Specifications Model Name Using Similar MechanismMD Mechanism Type MT-MZNH900-181 Optical Pick-up Name On nextFlexible Circuit Board Repairing MZ-NH700/NHF800Table of Contents DisassemblyDiagrams GeneralSection Servicing Notes Unleaded SolderSection General Display window MARK/REC +N button Jog dial Way control keyDisassembly Flow DisassemblySection Case Lower Section Main BoardCase Upper Section Mechanism Deck Section MT-MZNH900-181, MD Standard PINSET Chassis Assy Gear BSA, Gear SBOP Service Assy Holder Assy Position of Ferrite Core00# Ver Test ModeOutline 00# ManualAdjF 0000CD Run OfsRun000 OPChk#### N1####N2#### $$$$$$ ##Electrical Adjustments Temp131 ###S PwrAdjItemNo Display Specification value Measuring point PwrAdj adjustments211 AD VBsAdj adjustments VBsAdj261 AD Charge Function CheckDiscPr 111 ###S113 ###S Releasing The Test Mode Servo Overall AdjustmentResume Clear Section Diagrams Block Diagram MD Servo SectionBlock Diagram Audio Section MICBlock Diagram Power Supply Section CLK aLead layout of conventional IC Conductor Side Pattern face are indicated Parts face sideAbbreviation EE East European model Schematic Diagram Main /9 See page 36 for IC Block Diagram 2FOSchematic Diagram Main /9 See page 36 for IC Block Diagrams GNDCSPChip Size Package CTL2ICHG XRST2 Mute 30 Sgnd Schematic Diagram Main /9 Lrck Xbck Xcsadc PoencloseswTOU NDG Semiconductor Location Printed Wiring Board Main /2Uses unleaded solder IC601 60 IC Block Diagrams IC301 AK5356VN-LIC601 SC901585VAR2 IC602 R1160N121B-TR-FA HN58X2564FPIEZ IC Pin Function Description Davdd DVDD25LPFDavss OscvddFili FiloCltv DvregoVrefl VrefrDclsoutr DclsoutlAccessled SI0SO0 SCK0DRV XcsnvPWM GndswSCS4 HizsldHizspdl SETCODE3311 Section Exploded ViewsRef. No Description NH700 2023-317-12023-318-1 NHF800 USChassis Section 109 117110 111 124 125Mechanism Deck Section MT-MZNH900-181 Ref. No Description Remark 160 3-263-453-01 PLATE, RatchetM702 M703Section Electrical Parts List Main C415 125-777-11 1uF 10% 10V C416 125-777-111uF 10% 10V C419 125-777-11 1uF 10% 10V C420 125-777-11C669 125-837-11 1uF 10% C671 125-777-111uF 10% 10V C672 127-820-11 7uF 10% 16V C673 125-777-11D303 8-719-056-54 Diode MAZS068008SO NNCD6.8H-T1MA22D2800LS0 MA8056-LL607 419-881-11 47uH L608 400-402-217uH L701 216-295-00 L702 216-295-00R305 RES-CHIP 100 16W R306 10K R307 R308 216-864-11 R309 RES-CHIP 16W R310 R312 R314 218-990-11R315 218-990-11 R433 245-455-21R649 245-456-21 R650 216-793-11R652 218-990-11 R653 RES-CHIP 22K 16W R654 R657 218-990-11S894 SWITCH, Push 2 KEY Ref. No Description Remark R918 218-985-11470K 16W R920 218-985-11 470K 16W R922 218-977-11501 502 503504 506 504Revision History

NHF800 specifications

The Sony NHF800 is a remarkable addition to Sony's range of high-fidelity audio devices, designed to elevate the listening experience for audiophiles and casual listeners alike. Blending cutting-edge technology with user-friendly features, the NHF800 stands out as a versatile and powerful audio solution.

At the heart of the NHF800 is its advanced audio circuitry, which employs high-resolution audio technology. This ensures that music playback is not only accurate but also retains the depth and richness of the original recordings. Supporting various audio formats, including DSD, PCM, and even compressed formats, this device caters to diverse musical tastes while maintaining superior sound quality.

One of the standout features of the Sony NHF800 is its compatibility with both wired and wireless connections. With Bluetooth capabilities, users can stream music effortlessly from smartphones, tablets, or computers, while the high-resolution audio ensures that streamed content does not compromise on quality. Additionally, the device is equipped with Wi-Fi support, allowing for easy access to streaming services and internet radio, further broadening the audio horizons for users.

The NHF800 also boasts a built-in DAC (Digital-to-Analog Converter) that promotes enhanced audio performance. This DAC converts digital signals into analog with precision, resulting in a cleaner, more detailed sound output. The device supports a wide dynamic range, allowing listeners to experience their music as intended by the artists.

Moreover, the NHF800 features an intuitive user interface that simplifies navigation through music libraries and settings. The color display provides clear visuals, making it easy to browse albums, playlists, and streaming options. The device's ergonomic design ensures that it is not only visually appealing but also comfortable to use, whether at home or on the go.

Further enhancing the listening experience, the device incorporates noise-canceling technologies, allowing users to enjoy their music without external interruptions. This feature is particularly beneficial for users in noisy environments, such as public transport or busy urban settings.

In summary, the Sony NHF800 is a well-rounded high-fidelity audio device that merges advanced technology with usability. Its high-resolution audio capability, extensive connectivity options, and user-friendly design make it an excellent choice for anyone looking to elevate their listening experience. Whether at home or out and about, the NHF800 ensures that every note resonates with clarity and detail, making music come alive like never before.