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Sony HMC-NX5MD Service Manual
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Sony HMC-NX5MD Service Manual

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SERVICE MANUAL
HMC-NX5MD is the CD player and MD
Deck section in DHC-NX5MD
CD player section
System
Compact disc and digital audio
system
Laser
Semiconductor laser
(λ=780 nm)
Emission duration: continuous
Max. 44.6 µW*
Laser output
*This output is the value measured
at a distance of 200 mm from the
objective lens surface on the
Optical Pick-up Block with 7 mm
aperture.
Wavelength
780 – 790 nm
Frequency response
20 Hz – 20 kHz (±0.5 dB)
Signal-to-noise ratio
More than 90 dB
Dynamic range
More than 90 dB
MD deck section
System
MiniDisc digital audio system
Laser
Semiconductor laser
(λ=780 nm)
Emission duration: continuous
Max. 44.6 µW*
Laser output
*This output is the value measured
at a distance of 200 mm from the
objective lens surface on the
Optical Pick-up Block with 7 mm
aperture.
Sampling frequency
44.1 kHz
Frequency response
20 Hz – 20 kHz
HMC-NX5MD
Model Name Using Similar Mechanism
CD Mechanism Type
CD
Section
Base Unit Name Type
Optical Pick-up Name
Model Name Using Similar Mechanism
MD
MD Mechanism Type
Section
Optical Pick-up Name

SPECIFICATIONS

General
Power requirements
European models:
Other models:
Power consumption
European models:
Other models:
Dimensions (w/h/d)
Mass
Supplied accessories:
Design and specifications are subject to change
without notice.
MINI Hi-Fi COMPONENT SYSTEM
AEP Model
UK Model
E Model
CDM53E-K4BD40
BU-K4BD40
KSM-213DHAP/Z-NP
MDM-7B
KMS-260B/J1N
230 V AC, 50/60 Hz
120 V, 220 V or 230 – 240 V AC,
50/60 Hz Adjustable with voltage
selector
190 watts
220 watts
Approx. 225 × 202 × 356 mm
Approx. 4.3 kg
AM loop aerial (1)
Remote Commander (1)
Batteries (2)
FM lead aerial (1)
Speaker cords (2)
Front speaker pads (8)
NEW
NEW
1

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Summary of Contents for Sony HMC-NX5MD

  • Page 1: Specifications

    HMC-NX5MD SERVICE MANUAL AEP Model UK Model E Model HMC-NX5MD is the CD player and MD Deck section in DHC-NX5MD Model Name Using Similar Mechanism CD Mechanism Type CDM53E-K4BD40 Section Base Unit Name Type BU-K4BD40 Optical Pick-up Name KSM-213DHAP/Z-NP Model Name Using Similar Mechanism...
  • Page 2 The function is switched to MD. then turn it on again. cConsult your nearest Sony dealer. Complete! The editing operation of MDs is completed. Procedure for using the Self-Diagnosis Function (Error History Display Mode).
  • Page 3 1. Clicking the ENTER/YES button and the A (DISC 5) button while clicking the m (MD) button causes the program to enter test mode and the message “Check” to be displayed on screen. 2. Rotate the MD JOG knob and when “[Service]” is displayed, press the ENTER/YES button. 3.

  • Page 4: Table Of Contents

    • Keep the temperature of soldering iron around 270˚C OPERATION. REPLACE THESE COMPONENTS WITH during repairing. SONY PARTS WHOSE PART NUMBERS APPEAR AS • Do not touch the soldering iron on the same conductor of the SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB- circuit board (within 3 times).
  • Page 5 POWER SUPPLY DURING SERVICING Connection: Connector cable (17P) of • As this set has not own power supply, it does not operate indepen- attachment to power feed jig dently. Therefore, during servicing, connect it to the Pre-Main amplifier and Tuner Unit (STR-NX5MD) of DHC-NX5MD. Relay connector jig (J-2501-197-A) Power feed jig...
  • Page 6 OPTICAL PICK-UP CLEANING 1 Remove the case. (Refer to disassembly page 13) 3 Open the magnet assy. 4 Cleaning the optical pick-up. 2 four screws (BVTP M2.6) Note 1: In cleaning the lens, do not apply an excessive force. As the optical pick-up is vulnerable, application of excessive force could damage the lens holder.
  • Page 7 JIG FOR CHECKING BD (MD) BOARD WAVEFORM The special jig (J-2501-196-A) is useful for checking the waveform of the BD (MD) board. The names of terminals and the checking items to be performed are shown as follows. GND : Ground I+3V : For measuring IOP (Check the deterioration of the optical pick-up laser) IOP : For measuring IOP (Check the deterioration of the optical pick-up laser) : TRK error signal (Traverse adjustment)
  • Page 8 Iop DATA RECORDING AND DISPLAY WHEN OPTICAL PICK-UP AND NON-VOLATILE MEMORY (IC195 OF BD BOARD) ARE REPLACED The Iop value labeled on the optical pick-up can be recorded in the non-volatile memory. By recording the value, it will eliminate the need to look at the value on the label of the optical pick-up.
  • Page 9 CHECKS PRIOR TO PARTS REPLACEMENT AND ADJUSTMENTS Before performing repairs, perform the following checks to determine the faulty locations up to a certain extent. Details of the procedures are described in “5 Electrical Adjustments”. • 5-6-2. Laser power check (see page 31) •...
  • Page 10 RETRY CAUSE DISPLAY MODE • In this test mode, the causes for retry of the unit during recording can be displayed on the fluorescent indicator tube. During playback, the “track mode” for obtaining track information will be set. This is useful for locating the faulty part of the unit. •...
  • Page 11 Reading the Track Mode Display Higher Bits Lower Bits Details Hexa- Hexadecimal decimal b7 b6 b5 b4 b3 b2 b1 b0 When 0 When 1 Binary Emphasis ON Emphasis OFF Monaural Stereo This is 2-bit display. Normally 01. 01:Normal audio. Others:Invalid Audio (Normal) Invalid Digital copy...

  • Page 12: General

    SECTION 2 GENERAL • LOCATION OF CONTROLS – Front Panel – 1 G (CD) button 1 2 3 2 S (CD) button 3 s (CD) button 4 DISC 1 to 5 (CD) button and indicator 5 A (CD DISC 1 to 5) button 6 A (MD) button 7 m (MD) button 8 M (MD) button...

  • Page 13: Disassembly

    SECTION 3 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. 3-1. CASE 1 screw (BVTP3 × 10) 3 Remove the case 2 two screws in the arrow A (case 3 TP2) direction. 2 two screws (case 3 TP2) 3-2.

  • Page 14: Cd Mechanism Deck Section

    3-3. CD MECHANISM DECK SECTION (CDM53E-K4BD40) 5 Remove the CD mechanism deck section (CDM53E-K4BD40) in the arrow A direction. 4 four screws (BVTP3 × 10) 1 flat cable (17 core) (CN112) 3 connector (CN713) 2 flat cable (19 core) (CN111) 3-4.

  • Page 15: Cd Base Unit

    3-5. CD BASE UNIT (BU-K4BD40) 4 CD base unit (BU-K4BD40) 3 two compression springs 2 two compression springs (black) (silver) 1 two screws 1 two screws (PTPWH M2.6) (PTPWH M2.6) 3-6. MAIN BOARD 6 Remove the MAIN board in the arrow A direction. 4 three screws (BVTP3 ×...

  • Page 16: Fitting Base (Guide) Assy, Bracket (Chassis) And Magnet Assy

    3-7. FITTING BASE (GUIDE) ASSY, BRACKET (CHASSIS) AND MAGNET ASSY 7 four screws (BVTP M2.6) 2 four screws (BVTP M2.6) 8 base (magnet) assy, fitting 4 five screws (BVTP M2.6) 6 connector (CN710) 5 bracket (chassis) 3 base (guide) assy, fitting 1 two connectors (CN709, 715) 3-8.

  • Page 17: Chassis (Mold B) Section, Stocker Section And Slider (Selection)

    3-9. CHASSIS (MOLD B) SECTION, STOCKER SECTION AND SLIDER (SELECTION) Note: In mounting the parts, refer to page 18 and 19. 6 two screws (PTPWH M2.6) 5 stocker section 7 slider (selection) 8 washer 9 compression 1 three screws spring pulley (LD) (BVTP M2.6) 4 two step...

  • Page 18: Slider (Selection) Installation

    3-11. SLIDER (SELECTION) INSTALLATION 6 two screws (PTPWH M2.6) 2 gear (chuking) rotary encoder 5 washer 4 compression spring 7 Insert the slider (selection) into the portion A. Align with the slot of rotary encoder. portion A 3 convex portion of slider (selection) gear (chuking) 1 rotary encoder...

  • Page 19: Chassis (Mold B) Section Installation

    3-13. CHASSIS (MOLD B) SECTION INSTALLATION 3 three screws (BVTP M2.6) 2 Insert the gear (eject) under the gear (LD 1 Insert the portion A of chassis (mold B) section deceleration). portion A into the portion B of slider (selection). gear (LD deceleration) portion B of slider (selection)

  • Page 20: Bd (Md) Board

    3-15. BD (MD) BOARD CN101 5 Connect the short land by lead wire. short land Bottom of the optical pick-up 2 Remove the solder (Two portions) 2 Remove the solder (Two portions) 6 connector M102 (CN101) M101 2 Remove the solder (Two portions) M103 S102...

  • Page 21: Test Mode

    SECTION 4 TEST MODE [LED All Lit, Key Check Mode] [COLD RESET] Procedure: Procedure: 1. Press the button to turn the power ON. 1. Press the button to turn the power ON. [DISC 5] 2. Press three buttons of (MD), (DISC 1), and 2.
  • Page 22 4-1. PRECAUTIONS FOR USE OF TEST MODE • As loading related operations will be performed regardless of the test mode operations being performed, be sure to check that the disc is stopped before setting and removing it. Even if the A (MD) button is pressed while the disc is rotating during continuous playback, continuous recording, etc., the disc will not stop rotating.
  • Page 23 4-5. SELECTING THE TEST MODE There are 26 types of test modes as shown below. The groups can be switched by rotating the MD JOG knob. After selecting the group to be used, press the ENTER/YES button. After setting a certain group, rotating the MD JOG knob switches between these modes. Refer to “Group”...
  • Page 24 4-5-1. Operating the Continuous Playback Mode 1. Entering the continuous playback mode 1 Set the disc in the unit. (Whichever recordable discs or discs for playback only are available.) 2 Rotate the MD JOG knob and display “CPLAY1MODE” (C34). 3 Press the ENTER/YES button to change the display to “CPLAY1 MID”. 4 When access completes, the display changes to “C = AD = ”.
  • Page 25 4-6. FUNCTIONS OF OTHER BUTTONS Function Contents ENTER/YES Sets continuous playback when pressed in the STOP state. When pressed during continuous playback, the tracking servo turns ON/OFF. Stops continuous playback and continuous recording. M (MD JOG) The sled moves to the outer circumference only when this is pressed. m (MD JOG) The sled moves to the inner circumference only when this is pressed.
  • Page 26 4-8. MEANINGS OF OTHER DISPLAYS Contents Display When Lit When Off Servo ON Servo OFF Tracking servo OFF Tracking servo ON Recording mode ON Recording mode OFF SYNC CLV low speed mode CLV normal mode L.SYNC ABCD adjustment completed OVER Tracking offset cancel ON Tracking offset cancel OFF Tracking auto gain OK...

  • Page 27: Electrical Adjustment

    SECTION 5 ELECTRICAL ADJUSTMENTS 2. RF LEVEL CHECK CD SECTION Note: oscilloscope 1. CD Block is basically designed to operate without adjustment. There- BD (CD) board fore, check each item in order given. 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. TP (RF) 3.
  • Page 28 MD SECTION 5-1. PARTS REPLACEMENT AND ADJUSTMENT If malfunctions caused by the optical pick-up such as sound skipping are suspected, follow the following check. Check before replacement Start 5-6-2. Laser Power Check (See page 31) 5-6-3. Iop Compare (See page 31) 5-6-4.
  • Page 29 Adjustment flow • Abbreviation Start OP: Optical pick-up After turning off and then on the power, initialize the EEPROM Replace IC195 For details, refer to 4-11. WHEN MEMORY NG IS DISPLAYED (See page 26) 5-7. INITIAL SETTING OF ADJUSTMENT VALUE Replace OP or IC195 (See page 34) 5-9.
  • Page 30 5-2. PRECAUTIONS FOR CHECKING LASER DIODE EMISSION To check the emission of the laser diode during adjustments, never view directly from the top as this may lose your eye-sight. 5-3. PRECAUTIONS FOR USE OF OPTICAL PICK- UP (KMS-260B) As the laser diode in the optical pick-up is easily damaged by static electricity, solder the laser tap of the flexible board when using it.
  • Page 31 5-5. USING THE CONTINUOUSLY RECORDED DISC Checking Procedure: 1. Set the laser power meter on the objective lens of the optical * This disc is used in focus bias adjustment and error rate check. pick-up. (When it cannot be set properly, press the m button The following describes how to create a continuous recording or M button to move the optical pick-up.) disc.
  • Page 32 5-6-4. Auto Check 6. Observe the waveform of the oscilloscope, and check that the This test mode performs CREC and CPLAY automatically for specified value is satisfied. Do not rotate the MD JOG knob. mainly checking the characteristics of the optical pick-up. To (Read power traverse checking) perform this test mode, the laser power must first be checked.
  • Page 33 16. Observe the waveform of the oscilloscope, and check that the 5-6-8. C PLAY Check specified value is satisfied. Do not rotate the MD JOG knob. MO Error Rate Check (Traverse Waveform) Checking Procedure : 1. Load a continuously recorded test disc (MDW-74/GA-1). (Refer to “5-5.
  • Page 34 5-7. INITIAL SETTING OF ADJUSTMENT VALUE Note : 1. Usually, do not perform this adjustment. 2. Perform this adjustment in an ambient temperature of 22 ˚C to Note: 28 ˚C. Perform it immediately after the power is turned on when Mode which sets the adjustment results recorded in the non-vola- the internal temperature of the unit is the same as the ambient tile memory to the initial setting value.
  • Page 35 7. Then, rotate the MD JOG knob and display “LDPWR CHECK” 5-12. TRAVERSE ADJUSTMENT (C13). Connection : 8. Press the ENTER/YES button once and display “LD 0.9 mW $ Oscilloscope ”. Check that the reading of the laser power meter become 0.85 to 0.91 mW.
  • Page 36 11. Rotate the MD JOG knob until the waveform of the oscillo- 5-13. FOCUS BIAS ADJUSTMENT scope moves closer to the specified value. Adjusting Procedure : In this adjustment, waveform varies at intervals of approx. 2%. 1. Load a test disk (MDW-74/GA-1). Adjust the waveform so that the specified value is satisfied as 2.
  • Page 37 5-14. ERROR RATE CHECK 5-16. AUTO GAIN CONTROL OUTPUT LEVEL 5-14-1. CD Error Rate Check ADJUSTMENT Checking Procedure : Be sure to perform this adjustment when the optical pick-up is re- 1. Load a check disc (MD) TDYS-1. placed. 2. Rotate the MD JOG knob and display “CPLAY1MODE” (C34). If the adjustment results becomes “Adjust NG!”, the optical pick- 3.
  • Page 38 5-17. ADJUSTING POINTS AND CONNECTING POINTS [BD (MD) BOARD] (SIDE A) CN101 D101 [BD (MD) BOARD] (SIDE B) IC101 CN105 IC102 NOTE IC151 IC190 IC195 1 27 CN103 CN102 NOTE: It is useful to use the jig for checking the waveform. (Re- fer to Servicing Note on page 7.)

  • Page 39: Diagrams

    SECTION 6 DIAGRAMS 6-1. CIRCUIT BOARDS LOCATION CLAMP MOTOR board SENSOR 2 board BD(CD) board SENSOR board PANEL board IN SW board BD(MD) board INT/COUNT SW board MAIN board CONNECTOR board LOAD MOTOR board REC board OUT SW board DIGITAL board BACK LIGHT board...
  • Page 40 THIS NOTE IS COMMON FOR PRINTED WIRING • Indication of transistor BOARDS AND SCHEMATIC DIAGRAMS. (In addition to this, the necessary note is printed in each block.) These are omitted. For schematic diagrams. Note: • All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.

  • Page 41: Block Diagrams

    HMC-NX5MD 6-2. BLOCK DIAGRAMS – CD SECTION – OPTICAL PICK-UP BLOCK (KSM-213DHAP/Z-NP) IC101 D+5V DIGITAL SERVO DETECTOR IC103 DIGITAL SIGNAL PRCESSOR RF AMP DIGITAL D OUT DIG IN ERROR CORRECTOR MD BD PCMD RF AC SECTION RF EQ SUMMING REGISTER...
  • Page 42 HMC-NX5MD – MD SECTION – IC151 (1/2) OVER WRITE EFMO ADDT HEAD DRIVE IC181, Q181, 182 DATA1 FILI SAMPLING DATAI HR901 SCTX RATE OVER WRITE HEAD XBCKI XBCK1 CONVERTER DIGITAL SIGNAL PROCESSOR, LRCKI CLTV LRCK1 EFM/ACIRC ENCODER/DECODER, SHOCK PROOF MEMORY CONTROLLER,...
  • Page 43 HMC-NX5MD – MAIN SECTION – IC101 SYSTEM CONTROL SENS SENS DATA CD-DATA X-OUT X101 CD-CLK 16MHz X-IN SCOR SCOR SUBQ SQ-DATA-IN SCLK SCLK HOLD WAKE UP WAKE UP CD BD XRST XRST SECTION IIC DATA IIC-DATA LDON LDON (Page 41)

  • Page 44: Schematic Diagram - Cd Section

    HMC-NX5MD 6-3. SCHEMATIC DIAGRAM – CD SECTION – PIN FUNCTION (Page 50)

  • Page 45: Printed Wiring Board - Cd Section

    HMC-NX5MD 6-4. PRINTED WIRING BOARD – CD SECTION – There are a few cases that the part isn’t mounted in model is printed on diagram.

  • Page 46: Printed Wiring Board - Md Section

    HMC-NX5MD 6-5. PRINTED WIRING BOARD – MD SECTION – • Semiconductor • Semiconductor Location Location Ref. No. Location Ref. No. Location D101 D181 D183 Q101 Q131 IC101 Q132 IC102 Q133 IC141 Q134 IC151 IC152 IC181 IC190 IC195 Q121 Q122 Q181 There are a few cases that the part isn’t mounted in...

  • Page 47: Schematic Diagram - Md Section (1/2)

    HMC-NX5MD 6-6. SCHEMATIC DIAGRAM – MD SECTION (1/2) – FUNCTION...

  • Page 48: Schematic Diagram - Md Section (2/2)

    HMC-NX5MD 6-7. SCHEMATIC DIAGRAM – MD SECTION (2/2) – PIN FUNCTION...

  • Page 49: Schematic Diagram - Main Section (1/2)

    HMC-NX5MD 6-8. SCHEMATIC DIAGRAM – MAIN SECTION (1/2) – (Page 52) (Page 50) (Page 50)

  • Page 50: Schematic Diagram - Main Section (2/2)

    HMC-NX5MD 6-9. SCHEMATIC DIAGRAM – MAIN SECTION (2/2) – (Page 49) (Page 49) PIN FUNCTION (Page 56) (Page 56) (Page 54) (Page 44)

  • Page 51: Printed Wiring Board - Main Section

    HMC-NX5MD 6-10. PRINTED WIRING BOARD – MAIN SECTION – • Semiconductor Location Ref. No. Location D171 D190 D191 D193 D194 D195 D814 D816 D901 D902 D903 D904 D905 D906 D907 D908 D909 D910 D911 D912 D913 D951 D952 IC101 IC901...

  • Page 52: Schematic Diagram - Digital Section

    HMC-NX5MD 6-11. SCHEMATIC DIAGRAM – DIGITAL SECTION – (Page 48) (Page 48) (Page 49) PIN FUNCTION...

  • Page 53: Printed Wiring Board - Digital Section

    HMC-NX5MD 6-12. PRINTED WIRING BOARD – DIGITAL SECTION – (Page 51) (Page 46) (Page 46) • Semiconductor • Semiconductor Location Location Ref. No. Location Ref. No. Location IC1004 IC1001 IC1002 Q1001 IC1005 Q1002 IC1006 Q1003 Q1004 There are a few cases that the part isn’t mounted in...

  • Page 54: Schematic Diagram - Panel Section

    HMC-NX5MD 6-13. SCHEMATIC DIAGRAM – PANEL SECTION – (Page 50)

  • Page 55: Printed Wiring Board - Panel Section

    HMC-NX5MD 6-14. PRINTED WIRING BOARD – PANEL SECTION – • Semiconductor Location Ref. No. Location D201 D202 D203 D204 D206 D207 (Page 51) D208 D209 D210 D218 D219 D220 D221 D222 D223 D224 D225 Q205 Q209 Q210 Q211 Q212 Q213 There are a few cases that the part isn’t...

  • Page 56: Schematic Diagram - Cd Mechanism Section

    HMC-NX5MD 6-15. SCHEMATIC DIAGRAM – CD MECHANISM SECTION – MAIN BOARD (2/2) CN112 (Page 50) MAIN BOARD (2/2) CN113 (Page 50)

  • Page 57: Printed Wiring Board - Cd Mechanism Section

    HMC-NX5MD 6-16. PRINTED WIRING BOARD – CD MECHANISM SECTION – • See page 39 for Circuit Boards Location. MAIN BOARD (2/2) CN112 (Page 51) MAIN BOARD (2/2) CN113 (Page 51) There are a few cases that the part isn’t mounted in...

  • Page 58: Ic Block Diagrams

    • WAVEFORMS 6-17. IC BLOCK DIAGRAMS – BD (MD) SECTION – – BD (CD) SECTION – – MAIN SECTION – IC101 CXA2523AR (BD (MD) BOARD) IC101 ek (RF) IC101 t; IC101 qd RFAC 43 42 1.3Vp-p USROP 1.3Vp-p – RF AGC –...
  • Page 59 IC151 CXD2662R (BD (MD) BOARD) 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 SPINDLE GENERATOR SERVO 75 TE MNT0 74 SE MNT1 MONITOR EACH 73 AVSS CONTROL...
  • Page 60 IC102 BA5982FM (BD (CD) BOARD) IC103 CXA2568M-T6 (BD (CD) BOARD) BIAS IN PreVcc APC PD AMP LC/PD OPIN4 + OPIN1 + LD_ON OPIN1 – OPIN4 – HOLD AGCVTH OPOUT1 OPOUT4 VREF APC LD AMP HOLD_SW OPIN3 + OPIN2 + AGCCONT (50%/30% OPIN3 –...
  • Page 61 IC1005 µDA1360TS (DIGITAL BOARD) VDDA VSSA VINL (Σ∆) VREF DECIMATION FILTER FSEL VINR (Σ∆) VREF(N) VREF(P) DATAO DC-CANCELLATION DIGITAL FILTER INTERFACE SFOR PWON VSSD CLOCK VDDD SYSCLK CONTROL IC1006 µDA1350AH (DIGITAL BOARD) 44 43 42 41 40 39 38 37 36 35 CLOCK RESET TIMING CIRCUIT...

  • Page 62: Ic Pin Function

    6-18. IC PIN FUNCTIONS • IC101 CXD3008Q DIGITAL SIGNAL PROCESSOR (BD (CD) Board) Pin No. Pin Name Function DVDD0 — Digital power supply XRST System reset MUTE Muting selection pin DATA Serial data input, supplied from CPU XLAT Latch input, supplied from CPU CLOK Serial data transfer clock input, supplied from CPU SENS...
  • Page 63 Pin No. Pin Name Function Tracking error signal input Center servo analog input RFDC RF signal input ADI0 Test pin (Not used) AVSS0 — Analog ground IGEN Power supply pin operational amplifiers AVDD — Analog power supply ASYO EFM full swing output ASYI Asymmetry comparate voltage input RFAC...
  • Page 64 • IC101 CXA2523AR RF Amplifier (BD (MD) BOARD) Pin No. Pin Name Function I-V converted RF signal I input I-V converted RF signal J input Middle point voltage (+1.5V) generation output 4 to 9 Signal input from the optical pick-up detector A to F Light amount monitor input Laser APC output...
  • Page 65 • IC151 CXD2662R Digital Signal Processor, Digital Servo Signal Processor (BD (MD) BOARD) Pin No. Pin Name Function FOK signal output to the system control (monitor output) MNT0 (FOK) “H” is output when focus is on MNT1 (SHCK) Track jump detection signal output to the system control (monitor output) MNT2 (XBUSY) Monitor 2 output to the system control (monitor output) MNT3 (SLOC)
  • Page 66 Pin No. Pin Name Function BIAS I (A) Playback EFM comparator bias current input I (A) Playback EFM RF signal input AVSS — Ground (Analog) O (3) Phase comparison output for the recording/playback EFM master PLL FILI I (A) Filter input for the recording/playback EFM master PLL FILO O (A) Filter output for the recording/playback EFM master PLL...
  • Page 67 • IC1001 M30805SGP SYSTEM CONTROL (DIGITAL BOARD) Pin No. Pin Name Function — Not used. — Not used. LVLI — Not used. LVLO — Not used. (TXD3) — Not used. (RXD3) — Not used. (CLK3) — Not used. MUTE Line out muting output. L: Mute DARST Reset signal output to the D/A converter.
  • Page 68 Pin No. Pin Name Function — Not used. — Not used. Not used. MNT2 (XBUSY) In the state of executive command from the CXD2662R VSS2 — Ground. MNT1 (SHCK) Track jump signal input from the CXD2662R VCC2 — Power supply. (+3.3V) EEP-WP EEP-ROM write protect signal output.
  • Page 69 • IC101 M30620MCA-A41FP MASTER CONTROL (MAIN BOARD) Pin No. Pin Name Descriptions CD DATA CD data output CD CLK CD clock output CD latch signal output ACCUT AC cut input L=ON, H=OFF NO USE — Not used. SQ DATA IN Subcode Q data input SQ CLK Subcode Q data input...
  • Page 70 Pin No. Pin Name Descriptions LED CD PAUSE — Not used. LED MD PLAY — Not used. LED MD PAUSE — Not used. LED NORMAL — Not used. LED HIGH — Not used. LED LCD LED drive signal output of the LCD indicator NO USE —...

  • Page 71: Exploded View

    SECTION 7 EXPLODED VIEWS 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 are seldom required for routine service. Some may have some difference from the original 0 are critical for safety.

  • Page 72: Front Panel Section

    7-2. FRONT PANEL SECTION supplied supplied supplied supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-228-330-01 JOG(MD) 4-951-620-11 SCREW (2.6X10), +BVTP X-4952-956-1 WINDOW (MD) ASSY 1-678-225-11 REC BOARD 4-221-432-31 PANEL (CD), SUB 1-678-226-11 BACK LIGHT BOARD 4-221-430-01 COVER (CD) 4-228-331-01 HOLDER (LMD) X-4952-942-1 PANEL ASSY, FRONT...

  • Page 73: Cd Mechanism Deck Section-1

    7-3. CD MECHANISM DECK SECTION-1 (CDM53E-K4BD40) not supplied not supplied M702 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-218-253-11 SCREW (M2.6), +BTTP 3-341-549-01 SCREW(2.6X12)(DIA.7.5),+PTP WH 1-671-508-11 LOAD MOTOR BOARD 4-211-235-01 BELT (COMMUNICATION) 4-211-215-01 GEAR (EJECT) 4-211-236-01 BELT (LOADING) 1-671-502-11 INT/COUNT SW BOARD 4-211-231-01 PULLEY (MODE)

  • Page 74: Cd Mechanism Deck Section-2

    7-4. CD MECHANISM DECK SECTION-2 (CDM53E-K4BD40) not supplied S707 M701 not supplied BU-K4BD40 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 4-985-672-01 SCREW (+PTPWH M2.6), FLOATING 1-671-507-11 CLAMP MOTOR BOARD 4-220-933-01 INSULATOR 4-211-221-01 GEAR (LD MOVABLE) 4-211-212-51 TRAY (SUB) 4-211-217-01 GEAR (SELECTION) X-4950-322-3 HOLDER (BU) ASSY...

  • Page 75: Cd Base Unit Section

    7-5. CD BASE UNIT SECTION (BU-K4BD40) The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark 0 251 8-820-122-01 OPTICAL PICK-UP KSM-213DHAP/Z-NP A-4725-108-A BD(CD) BOARD, COMPLETE...

  • Page 76: Md Mechanism Section-1

    7-6. MD MECHANISM SECTION-1 (MDM-7B) supplied not supplied Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark * 401 4-996-267-01 BASE (BU-D) 4-227-012-01 SPRING (HOLDER), TENSION 4-908-618-21 SCREW (+BTP) (2X6) 4-227-019-02 PLATE (HOLDER), RETAINER 4-227-007-01 GEAR (SB) 4-227-013-01 SPRING (EJ), TENSION 4-227-025-01 BELT (LOADING) 4-226-995-01 SLIDER (EJ)

  • Page 77: Md Mechanism Section-2

    7-7. MD MECHANISM SECTION-2 (MDM-7B) HR901 S102 M101 M102 M103 The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. Ref. No. Part No. Description Remark Ref. No. Part No.

  • Page 78: Electrical Parts List

    SECTION 8 BACK LIGHT BD (CD) 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 parts list may be different from the parts speci- are seldom required for routine service.
  • Page 79 BD (CD) BD (MD) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R106 1-216-821-11 METAL CHIP 1/16W A-4725-101-A BD (MD) BOARD, COMPLETE R107 1-216-833-11 METAL CHIP 1/16W ************************ R108 1-216-827-11 METAL CHIP 3.3K 1/16W R109 1-216-857-11 METAL CHIP 1/16W <...
  • Page 80 BD (MD) Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C181 1-126-206-11 ELECT CHIP 100uF 6.3V L161 1-500-245-11 INDUCTOR CHIP 0uH C182 1-163-038-11 CERAMIC CHIP 0.1uF L171 1-500-245-11 INDUCTOR CHIP 0uH C183 1-164-156-11 CERAMIC CHIP 0.1uF L180 1-469-855-21 FERRITE C184...
  • Page 81 BD (MD) CALMP MOTOR CONNECTOR DIGITAL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R151 1-216-833-11 METAL CHIP 1/16W 1-671-506-11 CONNECTOR BOARD R153 1-216-833-11 METAL CHIP 1/16W ***************** R155 1-216-864-11 METAL CHIP R156 1-216-864-11 METAL CHIP <...
  • Page 82 DIGITAL IN SW INT/COUNT SW LOAD MOTOR Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C1048 1-126-933-11 ELECT 100uF 20.00% 16V R1051 1-216-073-00 METAL CHIP 1/10W R1052 1-216-073-00 METAL CHIP 1/10W < CONNECTOR > R1053 1-216-073-00 METAL CHIP 1/10W R1054 1-216-073-00 METAL CHIP...
  • Page 83 LOAD MOTOR MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C704 1-126-964-11 ELECT 10uF 20.00% 50V C719 1-162-294-31 CERAMIC 0.001uF C712 1-162-306-11 CERAMIC 0.01uF 30.00% 16V C720 1-162-294-31 CERAMIC 0.001uF C722 1-162-294-31 CERAMIC 0.001uF < CONNECTOR > C723 1-162-294-31 CERAMIC 0.001uF...
  • Page 84 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark D908 8-719-024-99 DIODE 11ES2-NTA2B R129 1-247-807-31 CARBON 1/4W D909 8-719-024-99 DIODE 11ES2-NTA2B R130 1-249-429-11 CARBON 1/4W D910 8-719-024-99 DIODE 11ES2-NTA2B R131 1-249-417-11 CARBON 1/4W F D911 8-719-911-19 DIODE 1SS133T-72 R132 1-249-417-11 CARBON 1/4W F...
  • Page 85 MAIN OUT SW PANEL Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R967 1-247-871-11 CARBON 1/4W < EARTH TERMINAL > < VIBRATOR > * EPT201 1-537-738-21 TERMINAL, EARTH * EPT202 1-537-738-21 TERMINAL, EARTH X101 1-781-107-21 VIBRATOR, SERAMIC(16MHz) <...
  • Page 86 HMC-NX5MD PANEL SENSOR SENSOR 2 Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark S206 1-762-875-21 SWITCH, KEYBOARD (m (MD)) 1-671-789-11 SENSOR 2 BOARD S207 1-762-875-21 SWITCH, KEYBOARD *************** (NAME EDIT/CHARACTER) S208 1-762-875-21 SWITCH, KEYBOARD (CLEAR) 4-964-461-02 HOLDER (SENSOR)

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