Sony D-NF420 Service Manual
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SERVICE MANUAL
Ver. 1.3 2005.03
US and foreign patents licensed from Dolby Laboratories.
• SonicStage and SonicStage logo are trademarks or registered trademarks of Sony
Corporation.
• OpenMG, Net MD, ATRAC, ATRAC3plus and their logos are trademarks of Sony
Corporation.
• "WALKMAN" is a registered trademark of Sony Corporation to represent Headphone
Stereo products.
is a trademark of Sony Corporation.
• Microsoft, Windows, Windows NT and Windows Media are trademarks or registered
trademarks of Microsoft Corporation in the United States and /or other countries.
• IBM and PC/AT are registered trademarks of International Business Machines
Corporation.
• Macintosh is a trademark of Apple Computer, Inc. in the United States and/or other
countries.
• Pentium is a trademark or a registered trademark of Intel Corporation.
• All other trademarks and registered trademarks are trademarks or registered trademarks
of their respective holders. ™ and ® marks are omitted in this manual.
• CD and music-related data from Gracenote, Inc., copyright © 2000-2003 Gracenote.
Gracenote CDDB
®
Client software, copyright 2000-2003 Gracenote. This product and
service may practice one or more of the following U.S. Patents: #5,987,525; #6,061,680;
#6,154,773, #6,161,132, #6,230,192, #6,230,207, #6,240,459, #6,330,593, and other
patents issued or pending.
Gracenote and CDDB are registered trademarks of Gracenote. The Gracenote logo and
logotype, the Gracenote CDDB logo, and the "Powered by Gracenote" logo are
trademarks of Gracenote.
Program © 2001, 2002, 2003, 2004 Sony Corporation
Documentation © 2004 Sony Corporation
Sony Corporation
9-879-393-04
Personal Audio Group
2005C05-1
Published by Sony Engineering Corporation
© 2005.03
D-NF420/NF421
Photo: D-NF420
Canadian Model
Australian Model
Model Name Using Similar Mechanism
CD Mechanism Type
Optical Pick-up Name
SPECIFICATIONS
Output (at 3 V input level)
Headphones (stereo minijack)
Approx. 5 mW + Approx. 5 mW at 16 Ω
(Approx. 1.5 mW + Approx. 1.5 mW at 16 Ω)*
*For the customers in AEP, UK, EE, RU models
PORTABLE CD PLAYER
US Model
UK Model
D-NF420
AEP Model
E Model
D-NF420/NF421
NEW
CDM-3325ERV2
DAX-25EV
– Continued on next page –
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Table of Contents
Related Manuals for Sony D-NF420
Summary of Contents for Sony D-NF420
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Page 1: Specifications
• SonicStage and SonicStage logo are trademarks or registered trademarks of Sony CD Mechanism Type CDM-3325ERV2 Corporation. • OpenMG, Net MD, ATRAC, ATRAC3plus and their logos are trademarks of Sony Optical Pick-up Name DAX-25EV Corporation. • “WALKMAN” is a registered trademark of Sony Corporation to represent Headphone Stereo products. - Page 2 THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS IN SUPPLEMENTS PUBLISHED BY SONY.
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Page 3: Table Of Contents
D-NF420/NF421 TABLE OF CONTENTS SERVICING NOTES ..........4 GENERAL ..............6 DISASSEMBLY 3-1. Disassembly Flow ............7 3-2. Cabinet (Lower), Upper Lid Sub Assy ......7 3-3. JACK Board, Optical Pick-up Assy (CDM-3325ERV2) . 8 3-4. SWITCH Board (Except PSYC Model) ......8 ELECTRICAL ADJUSTMENT ...... -
Page 4: Servicing Notes
D-NF420/NF421 SECTION 1 SERVICING NOTES LASER DIODE AND FOCUS SEARCH OPERATION NOTES ON HANDLING THE OPTICAL PICK-UP CHECK BLOCK OR BASE UNIT During normal operation of the equipment, emission of the laser The laser diode in the optical pick-up block may suffer electrostatic... - Page 5 • For Windows 2000 Professional users, install Service Pack 3 or later before using the software. DISCRIMINATION OF ORIGINAL AND PSYC MODEL There are two types of D-NF420. Refer to following. – COVER (UPPER LID) Top View – ORIGINAL MODEL...
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Page 6: General
D-NF420/NF421 Ver. 1.3 SECTION 2 This section is extracted from instruction manual. GENERAL (NF421: RU, E19/1 models only) • Abbreviation E19/1: Singapore, Malaysia and Thai model : Russian model... -
Page 7: Disassembly
D-NF420/NF421 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. CABINET (LOWER) , UPPER LID SUB ASSY 3-4. SWITCH BOARD (Page 7) (EXCEPT PSYC MODEL) (Page 8) 3-3. JACK BOARD, OPTICAL PICK-UP ASSY (CDM-3325ERV2) (Page 8) Note: Follow the disassembly procedure in the numerical order given. -
Page 8: Jack Board, Optical Pick-Up Assy (Cdm-3325Erv2)
D-NF420/NF421 3-3. JACK BOARD, OPTICAL PICK-UP ASSY (CDM-3325ERV2) 5 optical pick-up assy 4 insulator (CDM-3325ERV2) 2 two connectors (CN602, CN603) 4 insulator 4 insulator 1 OP flexible board (CN601) 3 JACK board 3-4. SWITCH BOARD (EXCEPT PSYC MODEL) Note: Refer to “DISCRIMINATION OF ORIGINAL AND PSYC MODEL” in the SERVICING NOTES (page 5) about PSYC model. -
Page 9: Electrical Adjustment
D-NF420/NF421 SECTION 4 ELECTRICAL ADJUSTMENTS BEFOREHAND ADJUSTMENT ): AEP, UK, East European, Russian models Connection: AM IF ADJUSTMENT frequency counter Adjust for a maximum reading on level meter JACK board T102 620 (621) kHz TP454 TP103 (RFGND (A)) or –... - Page 10 D-NF420/NF421 Adjustment and Connecting Location: – JACK Board (Component Side) – T101 AM Tracking Adjustment CT101 T102 L103 AM IF Adjustment TV (7 – 13 ch)/WB Tracking Adjustment (NF420: US, Canadian models) TP101 (RF (A)) L104 FM/TV (2 – 6 ch)
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Page 11: Diagrams
D-NF420/NF421 Ver. 1.3 SECTION 5 DIAGRAMS • Note for Printed Wiring Boards and Schematic Diagrams • Waverforms – EGL Board – – JACK Board – Note on Printed Wiring Boards. Note on Schematic Diagrams. • All capacitors are in µF unless otherwise noted. (p: pF) •... -
Page 12: Printed Wiring Board - Egl Board
D-NF420/NF421 :Uses unleaded solder. 5-1. PRINTED WIRING BOARD – EGL BOARD – JACK BOARD CN901 EGL BOARD EGL BOARD (SIDE B) (SIDE A) (Page 14) • Semiconductor Q602 Location R620 R407 Ref. No. Location R668 D601 R616 D602 CN9001 IC1602... -
Page 13: Schematic Diagram - Egl Board
D-NF420/NF421 5-2. SCHEMATIC DIAGRAM – EGL BOARD – • See page 11 for Waveforms. • See page 20 for IC Pin Function Description. CN601 OPGSW FE(A) C695 R634 SE(B) 4700p RB601 C648 C650 C653 4700p 0.47 C602 R628 R637 OPSTB 470p 2.2k... -
Page 14: Jack Board (Component Side)
D-NF420/NF421 Ver. 1.3 :Uses unleaded solder. 5-3. PRINTED WIRING BOARD – JACK BOARD (COMPONENT SIDE) – JACK BOARD (COMPONENT SIDE) • Semiconductor Location Ref. No. Location L108 D301 C402 D302 D401 C146 D404 L414 Q101 C423 Q102 M603 M602 (SLED) -
Page 15: Jack Board (Conductor Side)
D-NF420/NF421 Ver. 1.3 :Uses unleaded solder. 5-4. PRINTED WIRING BOARD – JACK BOARD (CONDUCTOR SIDE) – JACK BOARD (CONDUCTOR SIDE) T103 DC/DC T101 • Semiconductor CONVERTER D107 Location R123 C148 C144 C110 Ref. No. Location C139 C233 D101 C155 C147... -
Page 16: Schematic Diagram - Jack Board
D-NF420/NF421 Ver. 1.3 5-5. SCHEMATIC DIAGRAM – JACK BOARD – • See page 11 for Waveforms. • See page 19 for IC Block Diagrams. • See page 20 for IC Pin Function Description. CN801 R801 Q104 T103 2.2k 2SC4154TP-1F FB801... -
Page 17: Printed Wiring Board - Switch Board (Except Psyc Model)
D-NF420/NF421 :Uses unleaded solder. 5-6. PRINTED WIRING BOARD – SWITCH BOARD (EXCEPT PSYC MODEL) – • Refer to “DISCRIMINATION OF ORIGINAL AND PSYC MODEL” in the SERVICING NOTES (page 5) about PSYC model. SWITCH BOARD C1008 C1010 C1007 R1007 C1003 C1004C1005... -
Page 18: Schematic Diagram - Switch Board (Except Psyc Model)
D-NF420/NF421 5-7. SCHEMATIC DIAGRAM – SWITCH BOARD (EXCEPT PSYC MODEL) – • Refer to “DISCRIMINATION OF ORIGINAL AND PSYC MODEL” in the SERVICING NOTES (page 5) about PSYC model. CN1001 CN1002 R1001 CLK_I R1002 LCD_CS_I R1003 DATA_O R1004 DATA_I R1005... -
Page 19: Ic Block Diagrams
D-NF420/NF421 • IC Block Diagrams – JACK Board – IC101 TB2132FNG AM OSCIN PROGRAM PHASE COUNTER COMPARATOR FM OSCIN REFERENCE DIVIDER IFIN TV 1/8 BUFFER FM/AM/TV 1/16 SWITCH FM 1/32 FM/TV 1/2 FM/TV BUFFER FM MPX MUTE 13 14 IC201 TB2173FTG... - Page 20 D-NF420/NF421 • IC Pin Function Description EGL BOARD IC603 CXR711260-214H2 (SYSTEM CONTROLLER, DSP, LCD DRIVER) Pin No. Pin Name Description PE6/SI1 Serial data input from the liquid crystal display PE5/SO1 Serial data output to the liquid crystal display PE4/XSCK1 Serial clock signal output to the liquid crystal display...
- Page 21 D-NF420/NF421 Pin No. Pin Name Description Not used 57, 58 SDA8, SDA9 Address signal output to the SD-RAM Not used 60, 61 SDA7, SDA6 Address signal output to the SD-RAM Not used 63, 64 SDA5, SDA4 Address signal output to the SD-RAM...
- Page 22 D-NF420/NF421 Pin No. Pin Name Description DAMPCLK Not used VDIOAMP Power supply terminal (+2.1V) PWML Not used PWMR Not used VSSAMP Ground terminal VSS7 Ground terminal AVDPLL0 Power supply terminal (+2.7V) AVSPLL0 Ground terminal VDIOPLL0 Power supply terminal (+2V) VSS8...
- Page 23 D-NF420/NF421 Ver. 1.3 Pin No. Pin Name Description FILO Filter output terminal for master PLL FILI Filter input terminal for master PLL Charge pump output terminal for master PLL VSS12 Ground terminal DVDD3 Power supply terminal (+1.3V) VDIODSP Power supply terminal (+2V)
- Page 24 D-NF420/NF421 Pin No. Pin Name Description VDIO6 Power supply terminal (+2V) PD7/INT7 Not used PD6/INT6 Tuner clock shift signal output terminal PD5/INT5 Chip enable signal output to the FM/AM/TV tuner PD4/INT4, 212, 213 Not used PD3/INT3 PD2/INT2/ECIN FG signal input from the motor/coil drive...
- Page 25 D-NF420/NF421 JACK BOARD IC401 SC901591AFR2 (FOCUS/TRACKING COIL DRIVE, SPINDLE/SLED MOTOR DRIVE, POWER CONTROL) Pin No. Pin Name Description Comparator (U/V/W) negative pole input terminal Power supply terminal (for spindle motor drive U phase) Spindle motor drive U phase output terminal...
- Page 26 D-NF420/NF421 Pin No. Pin Name Description Capacitor connection terminal for charge pump (high side) of VG power supply circuit Capacitor connection terminal for charge pump (low side) of VG power supply circuit CPVO Check terminal for phase compensation VCC0 power supply phase...
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Page 27: Exploded Views
D-NF420/NF421 Ver. 1.3 SECTION 6 EXPLODED VIEWS NOTE: The components identified by mark 0 or • -XX and -X mean standardized parts, so they • Accessories are given in the last of the dotted line with mark 0 are critical for safety. -
Page 28: Upper Lid Section (Except Psyc Model)
D-NF420/NF421 Ver. 1.3 6-2. UPPER LID SECTION (EXCEPT PSYC model) SWITCH board not supplied LCD1001 not supplied not supplied not supplied not supplied CABINET (lower) section Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-187-934-01 SPRING (LEFT) -
Page 29: Cabinet (Lower) Section
D-NF420/NF421 Ver. 1.3 6-3. CABINET (LOWER) SECTION CDM-3325ERV2 not supplied JACK board not supplied not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-245-331-02 INSULATOR A-1081-790-A JACK BOARD, COMPLETE A-1081-778-B EGL BOARD, COMPLETE (NF420: US, CND, E/4,... -
Page 30: Optical Pick-Up Section (Cdm-3325Erv2)
D-NF420/NF421 6-4. OPTICAL PICK-UP SECTION (CDM-3325ERV2) M602 M603 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 3-318-203-61 SCREW (B1.7X4), TAPPING 3-221-475-01 SHAFT, STANDARD 0 152 X-3383-995-1 OPTICAL PICK-UP (DAX-25EV) 3-222-298-01 RACK 3-221-473-01 COVER, GEAR 3-222-299-01 SPRING, RACK RETAINER 3-221-472-02 CHASSIS 3-348-998-31 SCREW (M1.4X2.5), TAPPING, PAN... -
Page 31: Electrical Parts List
D-NF420/NF421 Ver. 1.3 SECTION 7 ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark 0 are parts list may be different from the parts are seldom required for routine service. - Page 32 D-NF420/NF421 Ver. 1.3 JACK Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R618 1-218-953-11 RES-CHIP 1/16W C106 1-107-820-11 CERAMIC CHIP 0.1uF R619 1-400-461-21 FERRITE, EMI (SMD) (1005) C107 1-164-882-11 CERAMIC CHIP 220PF R620 1-218-977-11 RES-CHIP 100K...
- Page 33 D-NF420/NF421 Ver. 1.3 JACK Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C206 1-115-467-11 CERAMIC CHIP 0.22uF (NF420: AEP, UK, EE/NF421: RU) C442 1-100-539-11 TANTALUM CHIP 47uF 6.3V C210 1-126-246-11 ELECT CHIP 220uF C443 1-162-970-11 CERAMIC CHIP 0.01uF...
- Page 34 D-NF420/NF421 Ver. 1.3 JACK Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < FERRITE BEAD/JUMPER RESISTOR > Q102 8-729-028-74 TRANSISTOR DTA114TUA-T106 Q103 8-729-051-23 TRANSISTOR 2SA2018TL FB203 1-414-813-11 FERRITE, EMI (SMD) (2012) Q104 8-729-602-21 TRANSISTOR 2SC4154-F FB204...
- Page 35 D-NF420/NF421 Ver. 1.3 JACK SWITCH Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R212 1-218-973-11 RES-CHIP 1/16W R480 1-218-981-11 RES-CHIP 1/16W (NF420: US, CND, E/4/NF421: E19/2, E92, MX) R481 1-218-953-11 RES-CHIP 1/16W R213 1-218-953-11 RES-CHIP 1/16W...
- Page 36 D-NF420/NF421 Ver. 1.3 SWITCH Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R1004 1-216-821-11 METAL CHIP 1/10W ACCESSORIES R1005 1-216-821-11 METAL CHIP 1/10W ************ R1006 1-216-864-11 SHORT CHIP 2-318-768-12 MANUAL, INSTRUCTION (ENGLISH) R1007 1-216-864-11 SHORT CHIP...
- Page 37 D-NF420/NF421 Ver. 1.3 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 0 501 1-477-732-12 ADAPTOR, AC (AC-ET305K) (NF420: UK) 0 501 1-477-737-12 ADAPTOR, AC (AC-ET305K) (NF421: E92, MX) 0 501 1-477-738-22 ADAPTOR, AC (AC-ET305K2) (NF420: AEP, E19, EE/NF421: RU, E19/1, E19/2)
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Page 38: Revision History
Addition of South African Singapore, Malaysia, Vietnam and Indian models to D-NF420 Replacement of JACK board (Suffix-12) (ECN-ECA71211) 2005.03 Addition of Australian model to D-NF420 Addition of Russian model to D-NF421 2005.03 Addition of Argentina model to D-NF420 Addition of Singapore, Malaysia and Thai models to D-NF421...