Sony CMT-CNEZ3 Service Manual
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Sony CMT-CNEZ3 Service Manual

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SERVICE MANUAL
Ver. 1.0 2005.03
• CMT-NEZ3/NEZ5 are composed of the following models.
As service manuals are issued for each component model, please refer to them.
COMPONENT MODEL NAME
Compact Disc Deck Receiver
Speaker System
SPECIFICATIONS
Power requirements
North American model:
AC 120 V, 60 Hz
Mexican model:
AC 120 V, 60 Hz
European model:
AC 230 V, 50/60 Hz
AC 230 − 240 V, 50/60 Hz
Australian model:
Korean model:
AC 220 V, 60 Hz
Chinese model:
AC 220 V, 50/60 Hz
Taiwanese model:
AC 120 V, 50/60 Hz
Argentine model
AC 220 V, 50/60 Hz
AC 120 − 127, 220, 230 − 240 V, 50/60 Hz
Saudi Arabian model:
AC 120, 220 or 230 − 240 V, 50/60 Hz
Other models:
Adjustable with voltage selector
Power consumption
CMT-NEZ5
European model:
60 W
0.3 W (in Power Saving Mode)
Other models:
50 W
CMT-NEZ3
North American model:
40 W
European model:
45 W
0.3 W (in Power Saving Mode)
Other models:
45 W
Dimensions (w/h/d) (excl. speakers)
Approx. 164 × 235 × 265mm
Mass (excl. speakers)
CMT-NEZ5:
Approx. 3.6 kg
CMT-NEZ3
North American model:
Approx. 2.8 kg
Other models:
Approx. 3.6 kg
Supplied accessories
Remote Commander (1)
R6 (size AA) batteries (2)
AM loop antenna (1)
FM lead antenna (1)
Design and specifications are subject to change without notice.
Sony Corporation
9-879-530-01
Personal Audio Group
2005C05-1
Published by Sony Engineering Corporation
© 2005.03
CMT-NEZ3/NEZ5
CMT-NEZ3
HCD-NEZ3
SS-CNEZ3
CMT-NEZ5
HCD-NEZ5
SS-CNEZ5
ACCESSORIES
Part No.
Description
1-754-102-31 ANTENNA, LOOP (LW.MW)
1-754-243-11 ANTENNA (FM)
2-055-382-01 BATTERY COVER (for RM-SC30)
2-582-894-11 MANUAL, INSTRUCTION (ENGLISH) (US, CND, AEP, UK, E,
2-582-894-21 MANUAL, INSTRUCTION (FRENCH) (CND, AEP, E, SP, EA)
2-582-894-31 MANUAL, INSTRUCTION (SPANISH)
2-582-894-41 MANUAL, INSTRUCTION (GERMAN, DUTCH) (AEP)
2-582-894-51 MANUAL, INSTRUCTION (ITALIAN, PORTUGUESE) (AEP)
2-582-894-61 MANUAL, INSTRUCTION (SWEDISH, DANISH, FINNISH)
2-582-894-71 MANUAL, INSTRUCTION (POLISH, CZECH, HUNGARIAN)
2-582-894-81 MANUAL, INSTRUCTION (GREEK, RUSSIAN) (EE, RU)
2-582-894-91 MANUAL, INSTRUCTION (ARABIC) (EA)
2-582-896-11 MANUAL, INSTRUCTION (TRADITIONAL CHINESE)
2-582-896-21 MANUAL, INSTRUCTION (KOREAN) (KR)
A-1108-432-A OVERALL ASSY (RM-SC30)
• Abbreviation
AR : Argentina model
AUS : Australian model
CND : Canadian model
E51 : Chirean and Peruvian models
EA : Saudi Arabia model
EE
: East European model
MICRO HI-FI COMPONENT SYSTEM
US Model
Australian Model
CMT-CNEZ3
Canadian Model
AEP Model
UK Model
E Model
CMT-CNEZ3/CNEZ5
Remark
TW, AR, SP, EA, E51, AUS)
(AEP, E, AR, MX, SP, E51)
(EE, RU)
(EE, RU)
(TW, SP)
KR : Korean model
MX : Mexican model
RU : Russian model
SP
: Singapore model
TW : Taiwan model

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  • Page 1 R6 (size AA) batteries (2) AM loop antenna (1) FM lead antenna (1) MICRO HI-FI COMPONENT SYSTEM Design and specifications are subject to change without notice. Sony Corporation 9-879-530-01 Personal Audio Group 2005C05-1 Published by Sony Engineering Corporation © 2005.03...
  • Page 2 CMT-NEZ3/NEZ5 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2005.03...
  • Page 3 25 + 25W (6 ohms at 1 kHz, 10% THD) Music power output (reference): 38 + 38 W – Continued on next page – COMPACT DISC DECK RECEIVER Sony Corporation 9-879-528-04 Personal Audio Division 2005K05-1 Published by Sony Engineering Corporation © 2005.11...
  • Page 4 WITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN FONCTIONNEMENT. NE REMPLACER CES COM- POSANTS THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. QUE PAR DES PIÈCES SONY DONT LES NUMÉROS SONT REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE DONNÉS DANS CE MANUEL OU DANS LES SUPPLÉMENTS PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR PUBLIÉS PAR SONY.

  • Page 5: Table Of Contents

    HCD-NEZ3/NEZ5 Ver. 1.1 TABLE OF CONTENTS SERVICING NOTES ..........4 GENERAL ..............6 DISASSEMBLY 3-1. Disassembly Flow ............8 3-2. Cabinet ................8 3-3. Cabinet (Top) Section ............9 3-4. Base Unit (BU-K7BD81D2) ........... 9 3-5. Front Panel Section ............10 3-6.

  • Page 6: Servicing Notes

    HCD-NEZ3/NEZ5 SECTION 1 SERVICING NOTES NOTES ON LASER DIODE EMISSION CHECK NOTES ON HANDLING THE OPTICAL PICK-UP The laser beam on this model is concentrated so as to be focused on BLOCK OR BASE UNIT the disc reflective surface by the objective lens in the optical pick- The laser diode in the optical pick-up block may suffer electrostatic up block.
  • Page 7 HCD-NEZ3/NEZ5 SERVICE POSITION – CD BOARD – CD board cabinet (top) section – TAPE MECHANICAL DECK – tape mechanical deck...

  • Page 8: General

    HCD-NEZ3/NEZ5 SECTION 2 This section is extracted from instruction manual. GENERAL Main unit BUTTON DESCRIPTIONS ALPHABETICAL ORDER ?/1 (power) 1 A – S T – Z z PAUSE/START 4 CD SYNC qk Tape deck qs Z PUSH OPEN/CLOSE (CD Display window 6 TUNER/BAND qg open/close) 7 DSGX 3...
  • Page 9 HCD-NEZ3/NEZ5 Remote control ALPHABETICAL ORDER BUTTON DESCRIPTIONS ?/1 (power) 1 A – O P – Z m/M (rewind/fast forward) CD qh PLAY MODE qk CLEAR qd REPEAT 4 N (play) 8 CLOCK/TIMER SELECT 2 SLEEP w; X (pause) 8 CLOCK/TIMER SET 3 TAPE qg x (stop) 8 DISPLAY ql...

  • Page 10: Disassembly

    HCD-NEZ3/NEZ5 Ver. 1.1 SECTION 3 DISASSEMBLY • This set can be disassembled in the order shown below. 3-1. DISASSEMBLY FLOW 3-2. CABINET (Page 8) 3-3. CABINET (TOP) SECTION (Page 9) 3-5. FRONT PANEL SECTION 3-4. BASE UNIT (BU-K7BD81D2) (Page 10) (Page 9) 3-6.

  • Page 11: Cabinet (Top) Section

    HCD-NEZ3/NEZ5 Ver. 1.1 3-3. CABINET (TOP) SECTION 6 cabinet (top) section 5 connector (S1820) 4 wire (flat type) (27 core) (CN317) 1 screw 2 claw (BVTP 2.6 × 8) 2 claw 1 screw (BVTP 2.6 × 8) 3-4. BASE UNIT (BU-K7BD81D2) 3 base unit (BU-K7BD81D2) 1 wire (flat type) (27 core) (CN201)

  • Page 12: Front Panel Section

    HCD-NEZ3/NEZ5 3-5. FRONT PANEL SECTION 5 connector (CN301) 4 wire (flat type) (9 core) (FFC1803) (CN900) 7 front panel section 2 wire (flat type) (13 core) (FFC1804) (except NEZ5: AEP, UK models) wire (flat type) (15 core) (FFC1804) (NEZ5: AEP, UK models) (CN320) 3 wire (flat type) (19 core) (FFC1805) (CN321)

  • Page 13: Main Board

    HCD-NEZ3/NEZ5 3-7. MAIN BOARD 4 wire (flat type) (11 core) (except NEZ5: AEP, UK models) wire (flat type) (15 core) (NEZ5: AEP, UK models) (CN319) 2 screw (BVTP 3 × 8) 1 two connectors (CN314, CN318) 5 MAIN board 3-8. TUNER UNIT 5 AC board, DC board section 1 three screws (BVTT 3 ×...

  • Page 14: Test Mode

    HCD-NEZ3/NEZ5 SECTION 4 TEST MODE COLD RESET CD ERROR HISTORY * The cold reset clears all data including preset data stored in * This mode can be used for CD error history display. the RAM to initial conditions. Execute this mode when Procedure: returning the set to the customer.

  • Page 15: Mechanical Adjustments

    HCD-NEZ3/NEZ5 SECTION 5 SECTION 6 MECHANICAL ADJUSTMENTS ELECTRICAL ADJUSTMENTS • Precaution DECK SECTION 0 dB=0.775 V 1. Clean the following parts with a denatured-alcohol-moistened swab : 1. Demagnetize the record/playback head with a head record/playback head pinch roller demagnetizer. erase head rubber belts 2.
  • Page 16 HCD-NEZ3/NEZ5 2. Turn the adjustment screw and check output peaks. If the peaks CD SECTION do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1dB of peak. Note: 1. CD Block is basically constructed to operate without adjustment. 2.

  • Page 17: Diagrams

    HCD-NEZ3/NEZ5 SECTION 7 DIAGRAMS 7-1. BLOCK DIAGRAM – CD SERVO Section – FILTER XTSL CD DSP XTAO IC101 (1/2) CLOCK X171 51 53 50 52 DETECTOR XTAI D +3.3V GENERATOR 16.9344MHz XTACN RFACI AOUT1 RFAC RFACO ASYMMETRY (Page 16) SUMMING DIGITAL PLL CORRECTOR DEMODULATOR...

  • Page 18: Block Diagram - Main Section

    HCD-NEZ3/NEZ5 7-2. BLOCK DIAGRAM – MAIN Section – J321 19 AUX-L R-CH AUDIO IN OUT-L POWER J500 PHONES (Page 15) IC501 21 CD-L R-CH TUNER UNIT FM 75Ω • R-ch is omitted due to same as L-ch. FM ANT L OUT 23 ST-L COAXIAL •...
  • Page 19 HCD-NEZ3/NEZ5 • Note for Printed Wiring Boards and Schematic Diagrams • Circuit Boards Location Note on Printed Wiring Board: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. (p: pF) •...

  • Page 20: Printed Wiring Board - Cd Board

    HCD-NEZ3/NEZ5 • See page 17 for Circuit Boards Location. 7-3. PRINTED WIRING BOARD – CD Board – : Uses unleaded solder. CD BOARD (COMPONENT SIDE) M101 (SPINDLE) CD BOARD (CONDUCTOR SIDE) IC303 C302 S101 (LIMIT) C305 C303 C255 R404 C260 R313 R405 R351...

  • Page 21: Schematic Diagram - Cd Board

    HCD-NEZ3/NEZ5 Ver. 1.1 7-4. SCHEMATIC DIAGRAM – CD Board – • See page 20 for Waveforms. • See page 29 for IC Block Diagrams. C131 100p TP423 IOP1 C142 1500p C134 C125 R131 R121 R143 C151 TP10 R203 C143 3.3k TP424 100k IOP2...
  • Page 22 HCD-NEZ3/NEZ5 • Waveforms – CD Board – – MAIN Board – – PANEL Board – IC101 yd (LRCK) T301 4 IC1801 qa (XT2) (CD PLAY mode) (REC mode) 4.4 Vp-p 81.6 Vp-p 2.8Vp-p 22.8 µ s 30.6 µ s 12 µ s 1 V/DIV, 10 µ...

  • Page 23: Printed Wiring Boards - Main Section

    HCD-NEZ3/NEZ5 • See page 17 for Circuit Boards Location. 7-5. PRINTED WIRING BOARDS – MAIN Section – : Uses unleaded solder. (Page 18) (Page 26) (NEZ5) CD BOARD DC BOARD MAIN BOARD M301 CN201 CN903 (FAN) C354 JW134 JW124 Q344 (CHASSIS) R312 R138...

  • Page 24: Schematic Diagram - Main Section (1/2)

    HCD-NEZ3/NEZ5 7-6. SCHEMATIC DIAGRAM – MAIN Section (1/2) – (Page 23) (1/2) R236 J321 C226 R237 C227 220p 4.7k 470p FB317 AUDIO IN (EXCEPT NEZ3: US, CND, TW/NEZ5: US, CND, TW) C126 R137 C127 FB307 220p 4.7k 470p CN317 NEZ3: US, CND, TW/ FB305 NEZ5: US, CND, TW R136...

  • Page 25: Schematic Diagram - Main Section (2/2)

    HCD-NEZ3/NEZ5 7-7. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • See page 20 for Waveforms. • See page 29 for IC Block Diagrams. (2/2) C118 R233 C218 R133 47000p 47000p ∗R531-534 (NEZ3:US,CND) (EXCEPT NEZ3;US,CND/NEZ5) R134 C234 C134 R228 R234 R128 HP-L (NEZ5) 0.001...

  • Page 26: Printed Wiring Board - Panel Board

    HCD-NEZ3/NEZ5 7-8. PRINTED WIRING BOARD – PANEL Board – • See page 17 for Circuit Boards Location. : Uses unleaded solder. • Semiconductor Location Ref. No. Location MAIN BOARD MAIN BOARD D1801 CN321 CN320 D1804 (Page 21) (Page 21) PANEL BOARD D1805 FFC805 FFC1804...

  • Page 27: Schematic Diagram - Panel Board

    HCD-NEZ3/NEZ5 • See page 20 for Waveforms. • See page 33 for IC Pin Function Description. 7-9. SCHEMATIC DIAGRAM – PANEL Board – Q1809 LCD1801 RT1P241C-TP-1 LIQUID CRYSTAL DISPLAY C1860 Q1809-1811 B+SWITCH Q1810 RT1P241C-TP-1 Q1811 RT1N141C-TP-1 C1864 0.01 R1866 R1867 C1861 0.01 S1820...

  • Page 28: Printed Wiring Boards - Dc Section

    HCD-NEZ3/NEZ5 7-10. PRINTED WIRING BOARDS – DC Section – • See page 17 for Circuit Boards Location. : Uses unleaded solder. • Semiconductor Location Ref. No. Location (NEZ3: US, CND) (EXCEPT NEZ3: US, CND) D322 (Page (Page D911 AC BOARD AC BOARD D912 D913...

  • Page 29: Printed Wiring Board - Ac Board

    HCD-NEZ3/NEZ5 7-11. PRINTED WIRING BOARD – AC Board – • See page 17 for Circuit Boards Location. : Uses unleaded solder. VOLTAGE NEZ3: E, E51, SP/ SELECTOR NEZ5: E, E51, SP 120Vt220Vt230 – 240V 120 – 127Vt220Vt230 – 240V (NEZ3: EA) NEZ3: E, E51, EA, SP/ NEZ5: E, E51, SP EXCEPT...

  • Page 30: Schematic Diagram - Power Supply Section

    HCD-NEZ3/NEZ5 7-12. SCHEMATIC DIAGRAM – POWER SUPPLY Section – C914 D922 1SS355TE-17 ACDET ∗C921 C922 +UNREG(SUB) 1000 16V (EXCEPT NEZ3:E,E51,EA,SP/NEZ5:E,E51,SP) C930 R906 1000 35V (NEZ3:E,E51,EA,SP/NEZ5:E,E51,SP) GND(CT) C921 ∗ RELAY R911 D910 D909 1N4002B 1N4002B R904 +4V REGULATOR IC903 4.7k TA7804LS D907 T901 CN903...
  • Page 31 HCD-NEZ3/NEZ5 • IC Block Diagrams – CD Board – IC101 CXD3059AR 119 118 116 115 114 112 111 110 109 103 102 101 100 CPU INTERFACE SERVO INTERFACE 90 RMUT 89 IOVDD0 88 NC 87 AVDD2 86 AOUT2 COVERTER 85 VREFR MIRR MIRR DFCT...
  • Page 32 HCD-NEZ3/NEZ5 IC251 BA5947FM-E2 MUTING + – INTERFACE LEVEL SHIFT INTERFACE INTERFACE VREF...
  • Page 33 HCD-NEZ3/NEZ5 IC301 TC94A34FG-002 Timing Generator VDDP PO5/AD5 /RESET PO6/AD6 STANDBY PO7AD7 /MICS /MILP MIDIO AD10 VDDT /MICK /MIACK/ SRMSTB AD16 VDDT VDDM PO8/AD11 SDO0 PO9/AD12 /CCE/ PO10/ BCKO AD13 BUCK/ PO11/ LRCKO AD14 SDO3/ SDI0 Interrupt Timer Control Switch General Input/ PO12/ Output...
  • Page 34 HCD-NEZ3/NEZ5 IC303 BH15FB1WG THERMAL PROTECTION OVER CURRENT PROTECTION VOLTAGE CONTROL REFERENCE BLOCK – MAIN Board – IC302 BD3881FV BASS BASS VOLUME TREBLE LOGIC CONTROL VOLUME TREBLE...
  • Page 35 HCD-NEZ3/NEZ5 • IC PIN FUNCTION DESCRIPITION PANEL BOARD IC1801 M30620FCPFP (SYSTEM CONTROLLER) Pin No. Pin Name Description 1 to 4 Not used STBYLED LED drive signal output terminal for STANDBY indicate POWER ON Power relay drive signal output terminal "H": on SIRCS Remote control signal input from the remote control receiver Ground terminal...
  • Page 36 HCD-NEZ3/NEZ5 Pin No. Pin Name Description TAMUTE Line muting on/off control signal output terminal Not used AMPSTBY Standby control signal output to the power amplifier VDD2 Power supply terminal (+3.3V) Not used Ground terminal CDON Power on/off control signal output for the CD mechanism section Oscillation circuit control signal output to the CD DSP XTCN "H": auto oscillation, "L": oscillation off...

  • Page 37: Exploded Views

    HCD-NEZ3/NEZ5 SECTION 8 EXPLODED VIEWS NOTE: • Items marked “*” are not stocked since they • -XX and -X mean standardized parts, so they The components identified by mark 0 or dotted line with mark 0 are may have some difference from the original are seldom required for routine service.

  • Page 38: Mechanical Deck Section

    HCD-NEZ3/NEZ5 8-2. MECHANICAL DECK SECTION not supplied not supplied PANEL board section not supplied (WIRE200) not supplied (EPT500) FFC501 HEAD PHONE board Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-2048-718-1 LID ASSY, CASSETTE (SILVER) A-1095-934-A HEAD PHONE BOARD, COMPLETE X-2050-327-1 LID ASSY, CASSETTE (WHITE) (NEZ5) (NEZ5: AEP, UK, EE, RU) 4-245-034-01 SPRING (CASSETTE)

  • Page 39: Panel Board Section

    HCD-NEZ3/NEZ5 8-3. PANEL BOARD SECTION FFC1803 PANEL board FFC1804 D1804, D1805 LCD1801 FFC805 FFC801 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-581-385-02 KNOB (VOL) (NEZ3) 2-581-391-01 PLATE, LIGHT GUIDE 2-581-385-11 KNOB (VOL) (NEZ5) 2-594-335-01 HOLDER (LCD-C) X-2048-717-1 PANEL ASSY, FRONT (NEZ3: US) X-2048-755-1 PANEL ASSY, FRONT (NEZ3: AEP, UK, E, E51, 4-951-620-01 SCREW (2.6X8), +BVTP...

  • Page 40: Cabinet (Top) Section

    HCD-NEZ3/NEZ5 Ver. 1.1 8-4. CABINET (TOP) SECTION S1820 (including spindle motor (M101), sled motor (M102)) not supplied (sled motor (M102)) not supplied (spindle motor (M101)) S101 The components identified by Les composants identifiés par une mark 0 or dotted line with marque 0 sont critiques pour la mark 0 are critical for safety.

  • Page 41: Main Board Section

    HCD-NEZ3/NEZ5 8-5. MAIN BOARD SECTION (NEZ3: EXCEPT US, CND) (NEZ3: EXCEPT US, CND, MX, KR) not supplied AC board, (NEZ5: EXCEPT US, CND) MAIN board DC board section (NEZ5) not supplied (WIRE900) not supplied not supplied (EXCEPT NEZ3: AEP, UK, EE, RU, KR/NEZ5: AEP, UK, KR) (NEZ3: AEP, UK, EE, RU, KR/ NEZ5: AEP, UK, EE, RU, KR)

  • Page 42: Ac Board, Dc Board Section

    HCD-NEZ3/NEZ5 8-6. AC BOARD, DC BOARD SECTION not supplied (TRANS FIXED board) DC board T902 The components identified by Les composants identifiés par une mark 0 or dotted line with marque 0 sont critiques pour la mark 0 are critical for safety. sécurité.

  • Page 43: Electrical Parts List

    HCD-NEZ3/NEZ5 Ver. 1.1 SECTION 9 ELECTRICAL PARTS LIST NOTE: • Items marked “*” are not stocked since they • Due to standardization, replacements in the 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 44 HCD-NEZ3/NEZ5 Ver. 1.1 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C131 1-162-927-11 CERAMIC CHIP 100PF CN201 1-818-350-11 CONNECTOR (FFC) 27P C132 1-117-863-11 CERAMIC CHIP 0.47uF 6.3V C133 1-162-970-11 CERAMIC CHIP 0.01uF < FERRITE BEAD > C134 1-164-360-11 CERAMIC CHIP 0.1uF...
  • Page 45 HCD-NEZ3/NEZ5 CONNECT HEAD PHONE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R351 1-216-809-11 METAL CHIP 1/10W < DIODE > R352 1-216-809-11 METAL CHIP 1/10W R353 1-216-809-11 METAL CHIP 1/10W D322 8-719-000-07 DIODE MC2836 D911 8-719-063-79 DIODE 1N4002B R354 1-216-809-11 METAL CHIP 1/10W...
  • Page 46 HCD-NEZ3/NEZ5 HEAD PHONE MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1095-970-A MAIN BOARD, COMPLETE < FLAT TYPE WIRE > (NEZ5: E, E51, SP, AR) A-1098-686-A MAIN BOARD, COMPLETE (NEZ3: MX) FFC501 1-830-584-11 WIRE (FLAT TYPE) (13 CORE) A-1098-752-A MAIN BOARD, COMPLETE (NEZ5: TW) A-1098-904-A MAIN BOARD, COMPLETE (NEZ3: AR) <...
  • Page 47 HCD-NEZ3/NEZ5 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C219 1-162-974-11 CERAMIC CHIP 0.01uF C370 1-164-360-11 CERAMIC CHIP 0.1uF C220 1-162-960-11 CERAMIC CHIP 220PF (NEZ3: AEP, UK, EE, RU, EA, KR, AUS/ C221 1-164-360-11 CERAMIC CHIP 0.1uF NEZ5: AEP, UK, EE, RU, KR) (NEZ3: AEP, UK, EE, RU, EA, KR, AUS/...
  • Page 48 HCD-NEZ3/NEZ5 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < IC > R118 1-216-833-11 METAL CHIP 1/10W R119 1-216-833-11 METAL CHIP 1/10W IC302 6-702-895-01 IC BD3881FV R120 1-216-833-11 METAL CHIP 1/10W IC501 8-759-333-24 IC LM1876TF R121 1-216-825-11 METAL CHIP 2.2K...
  • Page 49 HCD-NEZ3/NEZ5 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R233 1-216-864-11 SHORT CHIP R386 1-260-320-11 CARBON 1/2W R234 1-216-864-11 SHORT CHIP (EXCEPT NEZ3/NEZ5: AEP, UK, EE, RU) R235 1-216-845-11 METAL CHIP 100K 1/10W R386 1-260-095-11 CARBON 1/2W R236 1-216-833-11 METAL CHIP...
  • Page 50 HCD-NEZ3/NEZ5 PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1095-891-A PANEL BOARD, COMPLETE (NEZ3: US, CND) < CONNECTOR > A-1095-895-A PANEL BOARD, COMPLETE (NEZ3: AEP, UK, EE, RU) * CN1805 1-566-970-11 HOUSING, CONNECTOR (PC BOARD) 8P A-1095-922-A PANEL BOARD, COMPLETE (NEZ3: SP, TW, KR, AUS) <...
  • Page 51 HCD-NEZ3/NEZ5 PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark Q1804 8-729-037-13 TRANSISTOR KTA1271Y R1820 1-216-845-11 METAL CHIP 100K 1/10W Q1805 8-729-027-43 TRANSISTOR DTC114EKA-T146 R1821 1-216-833-11 METAL CHIP 1/10W Q1806 8-729-027-43 TRANSISTOR DTC114EKA-T146 R1822 1-216-809-11 METAL CHIP 1/10W Q1807 8-729-120-28 TRANSISTOR...
  • Page 52 HCD-NEZ3/NEZ5 PANEL SHIELD Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 1-693-629-11 TUNER UNIT (NEZ3: AEP, UK, EE, RU, KR/ R1880 1-216-825-11 METAL CHIP 2.2K 1/10W NEZ5: KR) R1881 1-216-825-11 METAL CHIP 2.2K 1/10W 1-769-946-11 WIRE (FLAT TYPE) (11 CORE) R1882 1-216-829-11 METAL CHIP 4.7K...
  • Page 53 HCD-NEZ3/NEZ5 US Model Australian Model HCD-NEZ3 SERVICE MANUAL Canadian Model AEP Model Ver. 1.2 2005.09 UK Model E Model HCD-NEZ3/NEZ5 SUPPLEMENT-1 File this supplement with the service manual. Subject: Change of specifications Changing Destination HCD-NEZ3 : US, Canadian, AEP, UK, East European, Russian models HCD-NEZ5 : AEP, UK, East European, Russian models In this set, specification have been changed in the midway of...
  • Page 54 HCD-NEZ3/NEZ5 Ver. 1.3 NEW/FORMER TYPE DISCRIMINATION New/former type can be distinguished in the version display mode of the test mode. Procedure: 1. Press the button to turn the power on. 2. While pressing the [DSGX] button, press the button and turn the [VOLUME] knob in the counter-clock wise. 3.

  • Page 55: Disassembly Flow

    HCD-NEZ3/NEZ5 DISASSEMBLY • This set can be disassembled in the order shown below. 2-1. DISASSEMBLY FLOW 2-2. CABINET (Page 3) 2-3. CABINET (TOP) SECTION (Page 4 2-5. FRONT PANEL SECTION 2-4. BASE UNIT (BU-K8BD83S-WOD) (Page 5) (Page 4) 2-6. MECHANICAL DECK (CMAL5Z231) 2-7.

  • Page 56: Cabinet (Top) Section

    HCD-NEZ3/NEZ5 2-3. CABINET (TOP) SECTION 6 cabinet (top) section 5 connector (S1820) 4 wire (flat type) (23 core) (CN317) 1 screw 2 claw (BVTP 2.6 × 8) 2 claw 1 screw (BVTP 2.6 × 8) 2-4. BASE UNIT (BU-K8BD83S-WOD) 3 base unit (BU-K8BD83S-WOD) 1 wire (flat type) (23 core) (CN201) 2 four screws...

  • Page 57: Front Panel Section

    HCD-NEZ3/NEZ5 2-5. FRONT PANEL SECTION 5 connector (CN301) 4 wire (flat type) (9 core) (FFC803) (CN900) 7 front panel section 2 wire (flat type) (13 core) (FFC804) (NEZ3) wire (flat type) (15 core) (FFC804) (NEZ5) (CN320) 3 wire (flat type) (17 core) (FFC805) (CN321) 1 wire (flat type) (13 core) (FFC501) (CN500)

  • Page 58: Main Board

    HCD-NEZ3/NEZ5 2-7. MAIN BOARD 4 wire (flat type) (11 core) (NEZ3) wire (flat type) (15 core) (NEZ5) (CN319) 2 screw (BVTP 3 × 8) 1 two connectors (CN314, CN318) 5 MAIN board 2-8. TUNER UNIT 5 AC board, DC board section 1 three screws (BVTT 3 ×...
  • Page 59 HCD-NEZ3/NEZ5 ELECTRICAL ADJUSTMENTS 2. Turn the adjustment screw and check output peaks. If the peaks do not match for L-CH and R-CH, turn the adjustment screw so that outputs match within 1dB of peak. DECK SECTION 0 dB=0.775 V 1. Demagnetize the record/playback head with a head demagnetizer.
  • Page 60 HCD-NEZ3/NEZ5 CD SECTION Note: 1. CD Block is basically constructed to operate without adjustment. 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. 3. Use an oscilloscope with more than 10 MW impedance. 4. Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks.

  • Page 61: Diagrams

    HCD-NEZ3/NEZ5 DIAGRAMS 4-1. BLOCK DIAGRAM – CD SERVO Section – OPTICAL PICK-UP BLOCK (KSM-213CDP) RFACO RFACI AOUT1 112 (Page 10) AOUT2 117 R-CH XTAI 109 AUTOMATIC X201 POWER CONTROL 16.9344MHz Q321 XTAO 108 • R-ch is omitted due to same as L-ch. •...

  • Page 62: Block Diagram - Main Section

    HCD-NEZ3/NEZ5 4-2. BLOCK DIAGRAM – MAIN Section – J321 19 AUX-L R-CH AUDIO IN OUT-L POWER J500 PHONES (Page 9) IC501 21 CD-L R-CH TUNER (FM/AM) FM 75Ω • R-ch is omitted due to same as L-ch. FM ANT L OUT 23 ST-L COAXIAL •...
  • Page 63 HCD-NEZ3/NEZ5 • Note for Printed Wiring Boards and Schematic Diagrams • Circuit Boards Location Note on Printed Wiring Board: Note on Schematic Diagram: • X : parts extracted from the component side. • All capacitors are in µF unless otherwise noted. (p: pF) •...

  • Page 64: Printed Wiring Board - Cd Board

    HCD-NEZ3/NEZ5 • See page 11 for Circuit Boards Location. 4-3. PRINTED WIRING BOARD – CD Board – : Uses unleaded solder. M401 (SPINDLE) CD BOARD (COMPONENT SIDE) CD BOARD (CONDUCTOR SIDE) S201 (LIMIT) R280 C405 C406 R451 M402 (SLED) IC402 R104 R105 C104...

  • Page 65: Schematic Diagram - Cd Board

    HCD-NEZ3/NEZ5 • See page 14 for Waveforms. • See page 23 for IC Block Diagrams. • See page 24 for IC Pin Function Description. 4-4. SCHEMATIC DIAGRAM – CD Board – C210 C208 (RFACI) C230 R256 100p C257 C274 CN301 R266 R321 C303...
  • Page 66 HCD-NEZ3/NEZ5 • Waveforms – CD Board – – MAIN Board – – PANEL Board – IC201 1 (LRCK) T301 4 IC801 qf (X1A) (CD PLAY mode) (REC mode) 3.3 Vp-p 81.6 Vp-p 3.1Vp-p 22.8 µ s 30.6 µ s 12 µ s 1 V/DIV, 10 µ...

  • Page 67: Printed Wiring Boards - Main Section

    HCD-NEZ3/NEZ5 • See page 11 for Circuit Boards Location. 4-5. PRINTED WIRING BOARDS – MAIN Section – : Uses unleaded solder. (Page 12) (Page 18) (Page 20) (NEZ5) M301 CD BOARD PANEL DC BOARD (FAN) CN102 BOARD CN903 MAIN BOARD C354 JW134 CN313...

  • Page 68: Schematic Diagram - Main Section (1/2)

    HCD-NEZ3/NEZ5 4-6. SCHEMATIC DIAGRAM – MAIN Section (1/2) – (Page 17) (1/2) R236 C309 CN317 D304 D303 FB306 1000 1N4002B 1N4002B VM(7V) J321 C226 R237 C227 FB317 220p 4.7k 470p AUDIO IN MGND SCOR SCOR C126 R137 C127 SENS C321 100p 220p 4.7k...

  • Page 69: Schematic Diagram - Main Section (2/2)

    HCD-NEZ3/NEZ5 • See page 23 for IC Block Diagrams. 4-7. SCHEMATIC DIAGRAM – MAIN Section (2/2) – (2/2) C118 R233 C218 R133 47000p 47000p *R529-534 (NEZ3:US,CND) 220 (NEZ3:AEP,UK,EE,RU) R134 R228 R234 R128 HP-L (NEZ5) HP-L R527 R533 R131 R135 R235 C235 R231 HP-L R525...

  • Page 70: Printed Wiring Board - Panel Board

    HCD-NEZ3/NEZ5 • See page 11 for Circuit Boards Location. 4-8. PRINTED WIRING BOARD – PANEL Board – : Uses unleaded solder. • Semiconductor Location (Page 15) Ref. No. Location MAIN BOARD CN320 D801 PANEL BOARD D804 FFC804 D805 D806 D807 D809 IC801 (NEZ5)

  • Page 71: Schematic Diagram - Panel Board

    HCD-NEZ3/NEZ5 • See page 14 for Waveforms. • See page 24 for IC Pin Function Description. 4-9. SCHEMATIC DIAGRAM – PANEL Board – LCD801 LIQUID CRYSTAL DISPLAY D804,805 (LCD BACK LIGHT) D804 R725 R721 DATA R701 MP3-CLK R710 MP3-SSTB C701 R886 0.01 R702...

  • Page 72: Printed Wiring Boards - Dc Section

    HCD-NEZ3/NEZ5 • See page 11 for Circuit Boards Location. 4-10. PRINTED WIRING BOARDS – DC Section – : Uses unleaded solder. • Semiconductor Location (NEZ3: US, CND) (NEZ3: AEP, UK/NEZ5) Ref. No. Location (Page 21) (Page 21) D322 D911 BOARD BOARD D912 D913...

  • Page 73: Printed Wiring Board - Ac Board

    HCD-NEZ3/NEZ5 • See page 11 for Circuit Boards Location. 4-11. PRINTED WIRING BOARD – AC Board – : Uses unleaded solder. AC BOARD • Semiconductor Location Ref. No. Location D906 D907 C-10 D908 D-10 D909 C-10 D910 D-10 D922 E-10 D923 D-10 (NEZ3: US, CND)

  • Page 74: Schematic Diagram - Power Supply Section

    HCD-NEZ3/NEZ5 4-12. SCHEMATIC DIAGRAM – POWER SUPPLY Section – C914 D922 1SS355TE-17 ACDET C922 +UNREG(SUB) C930 R906 GND(CT) C921 1000 RELAY R911 D910 D909 1N4002B 1N4002B R904 +4V REGULATOR IC903 4.7k TA7804LS D907 T901 CN903 D908 1N4002B R912 1N4002B R908 SUB POWER D923 MC2838...
  • Page 75 HCD-NEZ3/NEZ5 • IC Block Diagrams – CD Board – IC402 BA5947FM-E2 MUTING + – INTERFACE LEVEL SHIFT INTERFACE INTERFACE VREF – MAIN Board – IC301 BD3881FV BASS BASS VOLUME TREBLE LOGIC CONTROL VOLUME TREBLE...
  • Page 76 HCD-NEZ3/NEZ5 • IC PIN FUNCTION DESCRIPITION CD BOARD IC201 CXD3014A-201R (CD DSP) Pin No. Pin Name Description LRCK L/R sampling clock signal output terminal LRCKI L/R sampling clock signal input terminal PCMD Serial data output terminal PCMDI Serial data input terminal Bit clock signal output terminal BCKI Bit clock signal input terminal...
  • Page 77 HCD-NEZ3/NEZ5 Pin No. Pin Name Description AVDD0 Power supply terminal (+3.3V) AVSS0 Ground terminal E signal input from the optical pick-up block F signal input from the optical pick-up block Tracking error signal input terminal Tracking error signal output terminal Focus error signal input terminal Focus error signal output terminal Middle point voltage output terminal...
  • Page 78 HCD-NEZ3/NEZ5 Pin No. Pin Name Description TRST Not used Ground terminal Power supply terminal (+1.8V) IOVDD2 Power supply terminal (+3.3V) DOUT Digital audio signal output terminal Not used TEST Test terminal Normally: fixed at "L" TES1 Test terminal Normally: fixed at "L" IOVSS2 Ground terminal PLLVDD...
  • Page 79 HCD-NEZ3/NEZ5 PANEL BOARD IC801 MB90803-104 (SYSTEM CONTROLLER) Pin No. Pin Name Description SEG32 Segment drive signal output to the liquid crystal display O-AMPICSTBY Standby control signal output to the power amplifier O-CD-XRST System reset signal output to the CD DSP O-FUNCTION Serial data output to the electrical volume IC-DATA...
  • Page 80 HCD-NEZ3/NEZ5 Pin No. Pin Name Description O-POWER Power relay drive signal output terminal "H": on I-SUFFIX Model destination setting terminal I-RE-VOL Dial pulse input of the rotary encoder (for VOLUME control) I-MP3-REQ MP3 data request signal input from the CD DSP I-MP3-ACK MP3 acknowledge signal input from the CD DSP 51 to 53...

  • Page 81: Exploded View

    HCD-NEZ3/NEZ5 EXPLODED VIEW NOTE: • -XX and -X mean standardized parts, so they • Items marked “*” are not stocked since they The components identified by mark 0 or dotted line with mark 0 are may have some difference from the original are seldom required for routine service.

  • Page 82: Mechanical Deck Section

    HCD-NEZ3/NEZ5 5-2. MECHANICAL DECK SECTION not supplied not supplied PANEL board section not supplied (WIRE200) not supplied (EPT500) FFC501 HEAD PHONE board Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X-2048-718-1 LID ASSY, CASSETTE A-1142-959-A HEAD PHONE BOARD, COMPLETE 4-245-034-01 SPRING (CASSETTE) (NEZ3: AEP, UK, EE, RU) 2-581-395-01 HOLDER (CASSETTE)

  • Page 83: Panel Board Section

    HCD-NEZ3/NEZ5 5-3. PANEL BOARD SECTION FFC803 PANEL board FFC804 D804, D805 LCD801 FFC805 FFC801 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 2-581-385-02 KNOB (VOL) (NEZ3) D804 6-501-138-01 DIODE SELU2WA10C-LF62 (LCD BACK LIGHT) 2-581-385-11 KNOB (VOL) (NEZ5) (NEZ5) X-2048-717-1 PANEL ASSY, FRONT (NEZ3: US) X-2048-755-1 PANEL ASSY, FRONT (NEZ3: AEP, UK, EE, RU)

  • Page 84: Cabinet (Top) Section

    HCD-NEZ3/NEZ5 5-4. CABINET (TOP) SECTION S820 (including spindle motor (M401), sled motor (M402)) included in (sled motor (M402)) included in (spindle motor (M401)) S201 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 0 160 X-2050-124-2 LID ASSY, CD 8-820-126-01 OPTICAL PICK-UP BLOCK 1-452-899-11 MAGNET (KSM-213CDP/C2NP)

  • Page 85: Main Board Section

    HCD-NEZ3/NEZ5 5-5. MAIN BOARD SECTION AC board, MAIN board DC board section (NEZ5) not supplied (WIRE900) not supplied (NEZ3: US, CND) (NEZ3: AEP, UK, EE, RU/NEZ5) not supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1139-356-A SHIELD BOARD, COMPLETE (NEZ3: US, CND)

  • Page 86: Ac Board, Dc Board Section

    HCD-NEZ3/NEZ5 5-6. AC BOARD, DC BOARD SECTION not supplied (TRANS FIXED board) DC board T902 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark A-1139-348-A DC BOARD, COMPLETE 2-594-960-11 SPACER (TRANSFORMER) 2-586-961-11 HEAT SINK (NEZ3: AEP, UK, EE, RU/NEZ5) A-1139-357-A CONNECT BOARD, COMPLETE (NEZ3: US, CND) 2-594-960-21 SPACER (TRANSFORMER) (NEZ3: US, CND) A-1139-428-A CONNECT BOARD, COMPLETE (NEZ5)

  • Page 87: Electrical Parts List

    HCD-NEZ3/NEZ5 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 are seldom required for routine service. parts list may be different from the parts Some delay should be anticipated when specified in the diagrams or the components...
  • Page 88 HCD-NEZ3/NEZ5 CONNECT Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R113 1-216-809-11 METAL CHIP 1/10W C256 1-107-826-11 CERAMIC CHIP 0.1uF R201 1-216-295-00 SHORT CHIP C257 1-107-826-11 CERAMIC CHIP 0.1uF R202 1-216-295-00 SHORT CHIP C258 1-164-230-11 CERAMIC CHIP 220PF R203 1-500-445-21 FERRITE, EMI (SMD) (2012)
  • Page 89 HCD-NEZ3/NEZ5 HEAD PHONE Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C918 1-104-655-91 ELECT 470uF 6.3V A-1139-347-A HEAD PHONE BOARD, COMPLETE (NEZ3: US, CND) C919 1-126-943-21 ELECT 2200uF A-1139-427-A HEAD PHONE BOARD, COMPLETE (NEZ5) C920 1-126-933-11 ELECT 100uF A-1142-959-A HEAD PHONE BOARD, COMPLETE C922...
  • Page 90 HCD-NEZ3/NEZ5 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C236 1-126-964-11 ELECT 10uF A-1139-350-A MAIN BOARD, COMPLETE (NEZ3: US, CND) C238 1-126-965-11 ELECT 22uF A-1139-421-A MAIN BOARD, COMPLETE (NEZ5) C239 1-162-962-11 CERAMIC CHIP 470PF A-1142-947-A MAIN BOARD, COMPLETE C240 1-162-960-11 CERAMIC CHIP 220PF...
  • Page 91 HCD-NEZ3/NEZ5 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C513 1-126-957-11 ELECT 0.22uF Q328 8-729-120-28 TRANSISTOR 2SC1623-L5L6 C514 1-136-169-00 FILM 0.22uF Q329 8-729-120-28 TRANSISTOR 2SC1623-L5L6 C516 1-126-933-11 ELECT 100uF Q332 8-729-600-22 TRANSISTOR 2SA1235-F C523 1-162-962-11 CERAMIC CHIP 470PF Q334 8-729-120-28 TRANSISTOR...
  • Page 92 HCD-NEZ3/NEZ5 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R203 1-216-817-11 METAL CHIP 1/10W R319 1-216-837-11 METAL CHIP 1/10W R204 1-216-805-11 METAL CHIP 1/10W R328 1-216-833-11 METAL CHIP 1/10W R205 1-216-849-11 METAL CHIP 220K 1/10W (NEZ5) R206 1-216-829-11 METAL CHIP...
  • Page 93 HCD-NEZ3/NEZ5 MAIN PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R523 1-216-864-11 SHORT CHIP 0 (NEZ5) D804 6-501-138-01 LED SELU2WA10C-LF62 (LCD BACK LIGHT) R524 1-216-809-11 METAL CHIP 1/10W (NEZ5) (NEZ3: AEP, UK, EE, RU) D804 6-501-139-01 LED SELU2B10A-SLF62 (LCD BACK LIGHT) R524 1-216-813-11 METAL CHIP...
  • Page 94 HCD-NEZ3/NEZ5 PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R708 1-216-825-11 METAL CHIP 2.2K 1/10W R850 1-216-821-11 METAL CHIP 1/10W (NEZ3: AEP, UK, EE, RU/NEZ5) R851 1-216-825-11 METAL CHIP 2.2K 1/10W R709 1-216-833-11 METAL CHIP 1/10W R852 1-216-821-11 METAL CHIP...
  • Page 95 HCD-NEZ3/NEZ5 PANEL SHIELD Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark X802 1-795-054-61 VIBRATOR, CERAMIC (10MHz) ************************************************************ A-1139-356-A SHIELD BOARD, COMPLETE (NEZ3: US, CND) *********************** ************************************************************ MISCELLANEOUS ************** 1-796-352-71 DECK, MECHANICAL (CMAL5Z231) 1-452-899-11 MAGNET 0 160 8-820-126-01 OPTICAL PICK-UP BLOCK (KSM-213CDP/C2NP) (Including spindle motor (M401),...
  • Page 96 HCD-NEZ3/NEZ5 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2005.03 Change of Base Unit (BU-K7BD81D-G →...
  • Page 97 Approx. 1.4 kg net per speaker Other models: Approx. 1.5 kg net per speaker Design and specifications are subject to change without notice. SS-CNEZ3 SS-CNEZ5 SPEAKER SYSTEM Sony Corporation 9-879-529-01 Personal Audio Group 2005C05-1 Published by Sony Engineering Corporation © 2005.03...
  • Page 98 SS-CNEZ3/CNEZ5 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision 2005.03...

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