Sony NHF800 Fili, Filo, Cltv, Dvrego, Vrefmon, SETKEY1, SETKEY2, Dcindet, Wkdet, Vbusmon, Rmckey

Page 42

MZ-NH700/NHF800

Pin No.

Pin Name

I/O

Description

 

 

 

 

 

102

PCO

O

Phase comparison output terminal for the playback EFM system master PLL

 

 

 

 

103

FILI

I

Filter input terminal for the playback EFM system master PLL

 

 

 

 

104

FILO

O

Filter output terminal for the playback EFM system master PLL

 

 

 

 

105

CLTV

I

Internal VCO control voltage input terminal for the playback EFM system master PLL

106

PEAK

I

Peak hold signal input of the light amount signal (RF/ABCD) the RF amplifier

107

BOTM

I

Bottom hold signal input of the light amount signal (RF/ABCD) the RF amplifier

 

 

 

 

108

ABCD

I

Light amount signal (ABCD) input from the RF amplifier

 

 

 

 

 

109

FE

I

Focus error signal input from the RF amplifier

 

 

 

 

 

 

110

VC

I

Middle point voltage input from the RF amplifier

 

 

 

 

 

 

111

ADIO

O

Monitor output terminal of A/D converter input signal

Not used

112

ADRB

I

A/D converter the lower limit voltage input terminal

 

113

SE

I

Sled error signal input from the RF amplifier

 

 

 

 

 

 

114

TE

I

Tracking error signal input from the RF amplifier

 

 

 

 

 

 

115

AUX1

I

Auxiliary A/D input terminal

 

 

 

 

 

 

116

ADRT

I

The upper limit voltage of A/D converter input terminal

Not used

 

 

 

 

117

DCHG

Connecting terminal with the analog power supply of low impedance

118

APC

I

Error signal input for the laser automatic power control

 

119

ADC1EXTC

Connection terminal for an external capacitor

 

 

 

 

 

120

D_VREGO

I

Voltage sensibility of regulator for class-D amplifier Not used

 

 

 

 

 

121

VB_MON

I

Unregulated power supply voltage monitoring terminal

 

 

 

 

 

122

CHG_MON

I

Charge or discharge current monitoring terminal Not used

 

 

 

 

 

123

VREF_MON

I

Reference voltage input terminal

 

124

SET_KEY_1

I

Front panel key input terminal

 

125

SET_KEY_2

I

Front panel key input terminal

 

126

DCIN_DET

I

DC input voltage for battery charge monitoring terminal

Not used

 

 

 

 

 

127

HIDC_MON

I

High DC voltage monitoring terminal

 

 

 

 

 

 

128

WK_DET

I

Panel key input for wake-up

 

 

 

 

 

 

129

VBUS_MON

I

USB power supply voltage monitoring terminal

 

130

BATT_MINUS

I

Voltage monitoring terminal for the minus terminal of rechargeable battery

_MON

 

 

 

 

 

 

 

 

 

131

RMC_KEY

I

Remote commander key input terminal

 

132

RST_CONT

O

System reset signal output to the power control IC

 

 

 

 

 

 

133

REC_KEY

I

DOWNLOAD key input terminal

 

/DOWNLOAD

 

 

 

 

 

 

 

 

 

134

RADIO_ON

I

Radio on detection input from the remote commander jack

 

 

 

 

 

135

HALF_LOCK_

I

Front panel open switch detection terminal

 

SW /OPEN_SW

 

 

 

 

 

 

 

 

 

 

136

XRST

I

System reset signal input from the power control IC

 

137

PLL2EXTCI

I

Connection terminal for an external capacitor

 

 

 

 

 

 

138

PLL2EXTCO

O

Connection terminal for an external capacitor

 

 

 

 

 

 

139

PLL3EXTCI

I

Connection terminal for an external capacitor

 

 

 

 

 

 

140

PLL3EXTCO

O

Connection terminal for an external capacitor

 

 

 

 

 

 

141

DACVREFH

I

Reference voltage input terminal

 

142

APCREF_DA

O

Reference voltage output terminal

 

143

ADC3VREFH

I

Reference voltage input terminal

 

144

ADC3EXTC

Connection terminal for an external capacitor

 

 

 

 

 

 

145

VIN

I

RF signal input from the RF amplifier

 

 

 

 

 

 

42

Image 42
Contents MD Mechanism Type MT-MZNH900-181 Optical Pick-up Name SpecificationsModel Name Using Similar Mechanism On nextFlexible Circuit Board Repairing MZ-NH700/NHF800Diagrams Table of ContentsDisassembly GeneralSection Servicing Notes Unleaded SolderSection General Display window MARK/REC +N button Jog dial Way control keyDisassembly Disassembly FlowSection 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 CoreTest Mode 00# VerOutline AdjF 00#Manual 0000000 CD RunOfsRun OPChkN2#### ####N1#### $$$$$$ ##131 ###S Electrical AdjustmentsTemp PwrAdjPwrAdj adjustments ItemNo Display Specification value Measuring point211 AD 261 AD VBsAdj adjustmentsVBsAdj Charge Function Check111 ###S DiscPr113 ###S Servo Overall Adjustment Releasing The Test ModeResume Clear Section Diagrams Block Diagram MD Servo SectionBlock Diagram Audio Section MICBlock Diagram Power Supply Section CLK aConductor Side Pattern face are indicated Parts face side Lead layout of conventional ICAbbreviation 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 Printed Wiring Board Main /2 Semiconductor LocationUses unleaded solder IC601 60 IC Block Diagrams IC301 AK5356VN-LIC601 SC901585VAR2 IC602 R1160N121B-TR-FA HN58X2564FPIEZ IC Pin Function Description Davss DavddDVDD25LPF OscvddCltv FiliFilo DvregoDclsoutr VreflVrefr DclsoutlSO0 AccessledSI0 SCK0PWM DRVXcsnv GndswHizspdl SCS4Hizsld SETCODE3Section Exploded Views 311Ref. No Description 2023-318-1 NH7002023-317-1 NHF800 US110 Chassis Section109 117 111 124 125M702 Mechanism Deck Section MT-MZNH900-181Ref. No Description Remark 160 3-263-453-01 PLATE, Ratchet M703Section Electrical Parts List Main 1uF 10% 10V C419 125-777-11 C415 125-777-111uF 10% 10V C416 125-777-11 1uF 10% 10V C420 125-777-111uF 10% 10V C672 127-820-11 C669 125-837-111uF 10% C671 125-777-11 7uF 10% 16V C673 125-777-11MA22D2800LS0 D303 8-719-056-54 Diode MAZS068008SONNCD6.8H-T1 MA8056-L7uH L701 216-295-00 L607 419-881-1147uH L608 400-402-21 L702 216-295-00R315 218-990-11 R305 RES-CHIP 100 16W R306 10K R307 R308 216-864-11R309 RES-CHIP 16W R310 R312 R314 218-990-11 R433 245-455-21R652 218-990-11 R649 245-456-21R650 216-793-11 R653 RES-CHIP 22K 16W R654 R657 218-990-11470K 16W R920 218-985-11 S894 SWITCH, Push 2 KEYRef. No Description Remark R918 218-985-11 470K 16W R922 218-977-11504 501 502503 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.