Sony NHF800 service manual 00#, Manual, AdjF, 0000, Menu

Page 13

4. CONFIGURATION OF THE TEST MODE

Flow of the test mode:

Display Check Mode

00#

 

Version display All lit

Ver

*.***

All off Version display...

 

 

 

 

 

 

 

 

Manual Mode

 

[VOL +] key

0

 

 

 

 

Manual

 

 

xkey

 

 

 

Overall Adjustment Mode

 

[VOL --] key

0

 

 

 

 

AdjF**

 

 

xkey

 

 

 

Key Check Mode

 

[GROUP] key

 

114

 

 

 

10

 

 

 

Open the lid

 

 

 

 

 

 

Self-Diagnosis Result Display Mode

 

> key

0

 

 

 

1

0000

 

 

xkey

MZ-NH700/NHF800

Ver 1.1

5. MANUAL MODE

This is mode to adjust or check the operation of the set by function.

Operation of The Manual Mode

1.Enter the test mode (Display Check mode).

2.Press the [VOL+] key to activate the Manual mode where the LCD displays as shown below.

Display

0

Manual

Number of 1000th place

3.During each test, the optical pick-up moves outward or inward while the > or . key is pressed for several seconds respectively.

4.Each test item is assigned with a four-digit item number; 1000th place is a top item, 100th place is a major item, 10th place is a medium item, and unit place is a minor item.

The values adjusted in the test mode are written to the non- volatile memory (for the items where adjustment was made).

5.To quit the Manual mode, press the x key and return to the Display Check mode.

Flow of manual mode operation:

 

 

 

 

 

Sound Skip Check Result

 

 

 

 

 

Display Mode (Play)

 

 

 

key

 

0

 

 

N ENT

 

 

 

 

 

P00r00

 

 

 

 

 

 

x key

 

 

 

 

 

 

 

Sound Skip Check Result

 

[T MARK] key

 

Display Mode (REC)

 

or [REC] switch

 

0

 

 

 

 

 

p00R00

 

 

 

 

 

 

 

x key

 

 

Key Count Mode

[NAVI/MENU] key 001

MENU 000

.or > key (press a few seconds)

Top item switching

 

 

key

 

x key

 

>

 

 

 

 

 

 

 

Major item switching

 

 

 

 

 

 

key

 

x key

 

>

 

 

 

 

 

 

Medium item switching

> key x key

Minor item switching

[VOL +] key: 1000th place of item number increase.

[VOL --]key: 1000th place of item number decrease.

[VOL +] key: 100th place of item number increase.

[VOL --]key: 100th place of item number decrease.

[VOL +] key: 10th place of item number increase.

[VOL --]key: 10th place of item number decrease.

>key: 1st place of item number increase.

.key: 1st place of item number decrease.

(Not used in servicing)

Adjusted value variation

[VOL +] key: Increases the adjusted value.

[VOL --]key: Decreases the adjusted value.

Adjusted value write

Xkey: Adjusted value is written.

13

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Contents Model Name Using Similar Mechanism SpecificationsMD Mechanism Type MT-MZNH900-181 Optical Pick-up Name On nextMZ-NH700/NHF800 Flexible Circuit Board RepairingDisassembly Table of ContentsDiagrams GeneralUnleaded Solder Section Servicing NotesDisplay window MARK/REC +N button Jog dial Way control key Section GeneralDisassembly Flow DisassemblySection Main Board Case Lower SectionMechanism Deck Section MT-MZNH900-181, MD Standard PIN Case Upper SectionGear BSA, Gear SB SET Chassis AssyOP Service Assy Position of Ferrite Core Holder Assy00# Ver Test ModeOutline Manual 00#AdjF 0000OfsRun CD Run000 OPChkN1#### ####N2#### $$$$$$ ##Temp Electrical Adjustments131 ###S PwrAdjItemNo Display Specification value Measuring point PwrAdj adjustments211 AD VBsAdj VBsAdj adjustments261 AD Charge Function CheckDiscPr 111 ###S113 ###S Releasing The Test Mode Servo Overall AdjustmentResume Clear Block Diagram MD Servo Section Section DiagramsMIC Block Diagram Audio SectionCLK a Block Diagram Power Supply SectionLead layout of conventional IC Conductor Side Pattern face are indicated Parts face sideAbbreviation EE East European model 2FO Schematic Diagram Main /9 See page 36 for IC Block DiagramGND Schematic Diagram Main /9 See page 36 for IC Block DiagramsCSPChip Size Package CTL2ICHG XRST2 Mute 30 Sgnd Lrck Xbck Xcsadc Poenclosesw Schematic Diagram Main /9TOU NDG Semiconductor Location Printed Wiring Board Main /2Uses unleaded solder IC601 60 IC301 AK5356VN-L IC Block DiagramsIC601 SC901585VAR2 IC602 R1160N121B-TR-FA HN58X2564FPIEZ IC Pin Function Description DVDD25LPF DavddDavss OscvddFilo FiliCltv DvregoVrefr VreflDclsoutr DclsoutlSI0 AccessledSO0 SCK0Xcsnv DRVPWM GndswHizsld SCS4Hizspdl SETCODE3311 Section Exploded ViewsRef. No Description 2023-317-1 NH7002023-318-1 NHF800 US109 117 Chassis Section110 111 124 125Ref. No Description Remark 160 3-263-453-01 PLATE, Ratchet Mechanism Deck Section MT-MZNH900-181M702 M703Section Electrical Parts List Main 1uF 10% 10V C416 125-777-11 C415 125-777-111uF 10% 10V C419 125-777-11 1uF 10% 10V C420 125-777-111uF 10% C671 125-777-11 C669 125-837-111uF 10% 10V C672 127-820-11 7uF 10% 16V C673 125-777-11NNCD6.8H-T1 D303 8-719-056-54 Diode MAZS068008SOMA22D2800LS0 MA8056-L47uH L608 400-402-21 L607 419-881-117uH L701 216-295-00 L702 216-295-00R309 RES-CHIP 16W R310 R312 R314 218-990-11 R305 RES-CHIP 100 16W R306 10K R307 R308 216-864-11R315 218-990-11 R433 245-455-21R650 216-793-11 R649 245-456-21R652 218-990-11 R653 RES-CHIP 22K 16W R654 R657 218-990-11Ref. No Description Remark R918 218-985-11 S894 SWITCH, Push 2 KEY470K 16W R920 218-985-11 470K 16W R922 218-977-11503 501 502504 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.