Sony MZ-N505 DVSS3, DVDD3, IFVDD3, IFVSS3, Apcref, Trdr, Ffdr, FS4, Sprd, Spfd, Spdv, Spdw, Spcu

Page 53

MZ-N505

Pin No.

Pin Name

I/O

 

Description

 

 

 

 

199

NC

I

Ground terminal Clock signal input from the external VCO Not used

 

 

 

 

 

 

 

 

200

DVSS3

Ground terminal (for the DSP block)

 

 

 

 

 

 

 

 

 

201

DVDD3

Power supply terminal (for the DSP block) (+1.5V)

 

 

 

 

 

202

ADFG

I

ADIP duplex FM signal (20.05± 1kHz) input from the RF amplifier

203

NC

O

Filter cut off control signal output terminal

Not used

 

204

IFVDD3

Power supply terminal (for the microcomputer I/F block) (+2.3V)

 

 

 

 

 

205

IFVSS3

Ground terminal (for the microcomputer I/F block)

 

 

 

 

 

206

APCREF

O

Reference PWM signal output for the laser automatic power control to the RF amplifier

 

 

 

 

207

TRDR

O

Tracking servo drive PWM signal output (–) to the coil driver

 

 

 

 

208

TFDR

O

Tracking servo drive PWM signal output (+) to the coil driver

209

FFDR

O

Focus servo drive PWM signal output (+) to the coil driver

210

FRDR

O

Focus servo drive PWM signal output (–) to the coil driver

 

 

 

 

 

211

FS4

O

176.4kHz clock signal output to the power control

 

 

 

 

 

212

SPRD

O

Spindle motor drive control signal output (U) to the motor driver

 

 

 

 

213

SPFD

O

Spindle servo drive PWM signal output to the motor driver

 

 

 

 

214

SPDV

O

Spindle motor drive control signal output (V) to the motor driver

215

SPDW

O

Spindle motor drive control signal output (W) to the motor driver

216

SPCU

I

Spindle motor drive comparison signal input (U) from the motor driver

217

SPCV

I

Spindle motor drive comparison signal input (V) from the motor driver

 

 

 

 

218

SPCW

I

Spindle motor drive comparison signal input (W) from the motor driver

 

 

 

 

219

SRDR

O

Sled motor drive control signal output (U) to the motor driver

 

 

 

 

220

SFDR

O

Sled servo drive PWM signal output to the motor driver

221

SLDV

O

Sled motor drive control signal output (V) to the motor driver

222

SLDW

O

Sled motor drive control signal output (W) to the motor driver

223

DVSS4

Ground terminal (for the DSP block)

 

 

 

 

 

 

 

 

 

224

DVDD4

Power supply terminal (for the DSP block) (+1.5V)

 

 

 

 

 

225

SLCU

I

Sled motor drive comparison signal input (U) from the motor driver

 

 

 

 

226

SLCV

I

Sled motor drive comparison signal input (V) from the motor driver

227

SLCW

I

Sled motor drive comparison signal input (W) from the motor driver

228

IFVDD4

Power supply terminal (for the microcomputer I/F block) (+2.3V)

229

IFVSS4

Ground terminal (for the microcomputer I/F block)

 

 

 

 

 

230

EFMO

O

EFM encode data output for the record to the over write head drive

 

 

 

 

 

 

 

 

231 to

MNT0 to 2

O

DSP monitor (0) to (2) output terminal

Not used

 

233

 

 

 

 

 

 

 

 

 

 

 

 

 

 

234

MNT3

O

Off track signal output from the DSP monitor (3)

 

 

235

SENSE

O

DSP internal status (DSP SENS monitor) signal output terminal Not used

236

TX

O

Record data output enable signal output monitor terminal of the DSP Not used

237

RECP

O

Laser power changeover signal output terminal

Not used

 

 

 

 

 

238

LRCKI/XELT

I

Input terminal for the PCM data I/F/ ATRAC data I/F

Not used

 

 

 

 

 

239

XBCKI/ECK

I

Input terminal for the PCM data I/F/ ATRAC data I/F

Not used

 

 

 

 

 

240

DATAI/EDT

I

Input terminal for the PCM data I/F/ ATRAC data I/F

Not used

241

XERQ

I

Input terminal for the ATRAC data I/F

Not used

 

242

A11

O

Address signal output terminal for D-RAM

Not used

 

243

XOE

O

Output enable signal output terminal for D-RAM

Not used

 

 

 

 

 

244

XWE

O

Data write enable signal output terminal for D-RAM

Not used

 

 

 

 

 

 

 

245

TSTDR3

I

Test input terminal for D-RAM Not used

 

 

 

 

 

 

 

 

 

 

 

53

Image 53
Contents 873-459-01 SpecificationsMZ-N505 Disassembly Table of ContentsDiagrams Flexible Circuit Board RepairingOptical PICK-UP Flexible Board Section Servicing NotesMZ-N505 Lookingat the controls Section GeneralDisassembly Flow Section DisassemblyCase Upper Section Case LowerMechanism Deck MT-MZN707-177 LCD MODULE, Case Upper SUB AssyMain Board Gear SA Screw M1.4 OP Service Assy LCX-5RHolder Assy Gear HA V1.100 Section Test ModeManual Mode Configuration of Test ModeTransition Method in Manual Mode Manual011 0FEJ1B 011 C68S1B011 063B1B 011 081A1BDescription of Error Indication Codes Reset the Error Display CodeSetting Method of Reset The Error Display Code Description of Indication History000 P**R Sound Skip Check Result Display Mode004 004 FFRMC OK SET OKSection Electrical Adjustments Reset021 ###SCC ResOK?741 AD 336 ###S771 AD 772 AD778 AD 777 AD779 AD 865 ###S872 ###S 871 ###S873 ###S 874 ###S765 AD 764 AD766 AD 767 ADLaser Laser Power Check011 ###S 012 ###SMain Board Component Side IC501Assy11 AssyOfst OfstOK000 *** NG CD and MO Overall Adjustment ItemsCD OK MO OK043 ###S00 Resume Clear Setting Method043 Res ResClrServicing Notes PreparationPre-Check Rewriting the Patch DataMZ-N505 MZ-N505 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 VRECIN1 Outa PGND2 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 DataTrst KDIVG CTL Aout SELWK DET Vbus DETREC KEY Half LockDavdd VsioscVrefl AoutlDVDD3 DVSS3IFVDD3 IFVSS3Flashvss EVAFlashvdd Case Section Section Exploded Views5251 Chassis Section101 104 102 103 Main Board Section301 353 Main Section Electrical Parts ListCAP-CHIP XPC18A22AFCR2 10K 16W R507 RES-CHIP R517 208-683-11 OPEN/CLOSE Detect EMI Filter Memo Revision History