SONY DNF421 Repair Manual

$7.99

SONY DNF421 - It's a complete service manual, and it's in PDF format. It contains circuit diagrams ( schemas ) etc. It also usually contains parts catalog. After placing order we'll send You download instructions on Your email address. See below for delivery information

The manual is available only in language(s): English

Link to manual will be sent on Your email address after You place order.

This product was added to our catalog on Monday 07 May, 2007.

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francesco mayol - 02/11/2007

This is the best site to find what you need.I reccomand all thecnicia n to contact User-Manuals .

Gaspar Lovas - 11/03/2009

That's all right, thank you for all your trouble. Yours sincerely GL

Mark Tarkett -

Excellent service, good price, products are excellent. Will do business with this vendor again.

Jim Carrier - 08/02/2006

Outstanding and fast service! I received service manual in a moment after order. Thanks to this manual I can use my printer again!

John Craig - 07/31/2006

Very nice site and the manual is great. A life-saver. Thank you so much!

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Click to see text excerpt from the manual

D-NF420/NF421
Ver. 1.3
Pin No.Pin NameI/ODescription
157FILOO Filter output terminal for master PLL
158FILII Filter input terminal for master PLL
159PCOOCharge pump output terminal for master PLL
160VSS12-Ground terminal
161DVDD3-Power supply terminal (+1.3V)
162VDIODSP-Power supply terminal (+2V)
163SFDROSled servo drive signal (+) output to the motor/coil drive
164SRDROSled servo drive signal (-) output to the motor/coil drive
165TFDROTracking servo drive signal (+) output to the motor/coil drive
166TRDROTracking servo drive signal (-) output to the motor/coil drive
167FFDROFocus servo drive signal (+) output to the motor/coil drive
168FRDROFocus servo drive signal (-) output to the motor/coil drive
169MDPOSpindle motor servo drive signal output to the motor/coil drive
170MDS-Not used
171C176O176.4 kHz clock signal output to the motor/coil drive
172VDIOEM0-Power supply terminal (+2V)
173DVDD4-Power supply terminal (+1.3V)
174VSS14-Ground terminal
175PC3/XSCS0OCommand latch signal output to the power control
176PC2/SI0ISerial data input from the FM/AM/TV tuner and EEPROM
177PC1/SO0OSerial data output to the power control and EEPROM
178PC0/SCK0OSerial clock signal output to the power control and EEPROM
179VSS15-Ground terminal
180VDIO5-Power supply terminal (+2V)
181PG7ICold start flag input from the power control
182, 183 PG6, PG5-Not used
184PG4OReset signal output to the liquid crystal display
185, 186 PG3, PG2-Not used
187PG1OStandby signal output to the optical pick-up block
188PG0ORF gain-up signal output for CD-RW to the optical pick-up block
189, 190DVDD5, DVDD6-Power supply terminal (+1.3V)
191VSS18-Ground terminal
192AVDAD-Power supply terminal (+2V)
193AVSAD-Ground terminal
194AN7ICD lid open/close switch input terminal "L": close, "H": open
195AN6ICharge voltage monitor input from the power control
196AN5IBattery voltage monitor input terminal
Wake up signal input from the power control
197AN4IRemote commander key input terminal (NF421: Russian, Singapore, Malaysia and Thai models
only)
198AN3-Not used
199, 200 AN2, AN1ITop panel key input terminal (A/D input)
201AN0IDCIN voltage monitor input terminal
202WAKEIWake up signal input terminal
203XADEVENTOWake up signal output to the power control
204XRSTISystem reset signal input from the power control
205, 206DVDBK0, DVDBK1-Power supply terminal (+1.2V)
207VSS19-Ground terminal
23