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Yamaha CDX-497

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Comments to date: 1. Page 1 of 1. Average Rating:
c.nick 4:31am on Sunday, August 1st, 2010 
Fantastic... Sony ....eat your heart out. I am great fund of Sony gear but was very disappointed with Sony CD player.

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Documents

doc0

CDX-497/CDX-397

Natural Sound CD Players

NEW PRODUCT BULLETIN

CD players featuring Yamahas advanced digital technology for clear, dynamic sound with all the delicate nuances of the original recording.

CDX-497

Brilliant Audio: Titanium

CDX-397

Convenient Operation
CD-R/RW disc playback compatibility MP3 and WMA disc playback compatibility (CDX-497) Numerous convenient playback functions (40-track programmable play, random play, and A-B, single track and entire disc repeat) Auto space insert 3-mode CD Text display Peak search CD-tape synchro rec start Front panel headphone jack (CDX-497)

High Sound Quality

Intelligent Digital Servo Oversampling separate DAC Optical and coaxial digital outputs (CDX-497) Low-impedance power supply for stable signal path Display dimmer Aluminium front panel
The CDX-497 is available in titanium, black or gold in some areas.
The CDX-397 is available in titanium, black or gold in some areas.
P10017812ARTKGB-CDX497/CDX-397@NPB
CDX-497/CDX-397 Natural Sound CD Players
Convenient Operation CD-R/RW, MP3 and WMA Playback These CD players can handle CDR and CD-RW discs with ordinary songs. The CDX-497 can also plays discs with MP3 and WMA files, so users can enjoy more of their favourite music. (Note that some discs may not play.) Wealth of Playback Functions In addition to ordinary play, there are a variety of ways you can enjoy the musical selections on your CDs. Random Play plays all the songs in a random order. If you want to hear them in a certain order, you can use the 40-Track Program Play function. There are also several repeat modes: Single Track, Entire Disc, Random Play, Programme Play and A-B (for repeating all songs between two points on the disc). Auto Space Insert Lets you add a short pause at the touch of a button on the remote control while recording to ensure that there is sufficient space between selections. 3-Mode CD Text Display Get information about the CD currently playing right on the CD players display. The 3-mode CD Text display shows the CDs title, the artists name and the title of the track.
Main Specifications Frequency Response Harmonic Distortion + Noise Signal-to-Noise Ratio Dynamic Range Headphone Output (20 dB) Digital Outputs Dimensions (W x H x D) Weight
Peak Search Gives you better sounding recording by searching the disc for the loudness part and playing it for a few seconds so you can set the proper recording level. CD-Tape Synchro Rec Start Youll have smooth recording starts each time, because Synchro Rec Start puts the deck into the recording mode a few seconds before starting CD play. Front Panel Headphone Jack (CDX-497) A headphone jack is conveniently located on the front panel so listeners can quickly switch to private listening mode. RoHS Compliant This environmentally friendly unit fully complies with the EUs RoHS (Restriction of Hazardous Substances) standards. High Sound Quality Intelligent Digital Servo System Conventional tracking servo circuitry cannot completely overcome errors caused by disc defects, warpage, dust and so on. This system uses a microcomputer to monitor the signal, adjusting pickup tracking and focus, as well as spindle
CDX-Hz-20 kHz 0.5 dB 0.003% (1 kHz) 105 dB 95 dB 1 optical 435 x 87 x 287 mm 3.5 kg
motor speed, to compensate for any problems. Low-Impedance Power Supply Because every signal part affects sound quality, Yamaha uses nothing but the best. The special Low-Impedance Power Supply, for example, uses extra thick wires to ensure that power is absolutely stable even under low impedance conditions. Display Dimmer The CDX-497/397s front display dimmer function lets dim the display when you darken the room to suit your mood while listening to music. The brightness of the display can be set to Normal, Slightly Dim and Dim. Dimming the display also reduces any chance of noise interference from the LCD for highest audio quality. Aluminium Front Panel An aluminium front panel is used to effectively shield sensitive low-level circuitry from external noise and electronic radiation generated by dimmer switches, HVAC, fluorescent lighting and video displays (CRT, LCD, Plasma). Other Notable Features CD-R/RW playback compatibility 3-mode tape edit: random, automatic and manual Skip play (Track skip) Direct track access and index search Index number display and search 4-mode time display Last memory New-designed, slim and stlysh remote control unit
CDX-Hz-20 kHz 0.5 dB 0.003% (1 kHz) 105 dB 95 dB mV/32 ohms 1 optical and 1 coaxial 435 x 87 x 287 mm 3.5 kg

Product designs and specifications are subject to change without notice.

doc1

COMPACT DISC PLAYER

CDX-497/CDX-397

SERVICE MANUAL

IMPORTANT NOTICE
This manual has been provided for the use of authorized YAMAHA Retailers and their service personnel. It has been assumed that basic service procedures inherent to the industry, and more specifically YAMAHA Products, are already known and understood by the users, and have therefore not been restated.

WARNING:

Failure to follow appropriate service and safety procedures when servicing this product may result in personal injury, destruction of expensive components, and failure of the product to perform as specified. For these reasons, we advise all YAMAHA product owners that any service required should be performed by an authorized YAMAHA Retailer or the appointed service representative. IMPORTANT: The presentation or sale of this manual to any individual or firm does not constitute authorization, certification or recognition of any applicable technical capabilities, or establish a principle-agent relationship of any form. The data provided is believed to be accurate and applicable to the unit(s) indicated on the cover. The research, engineering, and service departments of YAMAHA are continually striving to improve YAMAHA products. Modifications are, therefore, inevitable and specifications are subject to change without notice or obligation to retrofit. Should any discrepancy appear to exist, please contact the distributor's Service Division.
Static discharges can destroy expensive components. Discharge any static electricity your body may have accumulated by grounding yourself to the ground buss in the unit (heavy gauge black wires connect to this buss). IMPORTANT: Turn the unit OFF during disassembly and part replacement. Recheck all work before you apply power to the unit.

I CONTENTS

TO SERVICE PERSONNEL.. 24 PREVENTION OF ELECTROSTATIC DISCHARGE. 5 FRONT PANELS.. 6 REAR PANELS... 68 REMOTE CONTROL PANELS.. 8.. 9 SPECIFICATIONS / INTERNAL VIEW... 9 REPAIR NOTES /.. 10 HOW TO MANUALLY EJECT THE TRAY /.. 10 DISASSEMBLY PROCEDURES /.. 1112 TEST MODE /.. 1314 IC DATA... 1519 BLOCK DIAGRAM.. 20 WIRING DIAGRAM.. 21 PRINTED CIRCUIT BOARDS.. 2224 SCHEMATIC DIAGRAMS.. 2526 REPLACEMENT PARTS LIST.. 2829 REMOTE CONTROL.. 30

101016

2006 All rights reserved. This manual is copyrighted by YAMAHA and may not be copied or redistributed either in print or electronically without permission.
P.O.Box 1, Hamamatsu, Japan

'06.07

I TO SERVICE PERSONNEL
1. Critical Components Information Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed. 2. Leakage Current Measurement (For 120V Models Only) When service has been completed, it is imperative to verify that all exposed conductive surfaces are properly insulated from supply circuits.

WALL OUTLET

EQUIPMENT UNDER TEST
AC LEAKAGE TESTER OR EQUIVALENT

INSULATING TABLE

Meter impedance should be equivalent to 1500 ohms shunted by 0.15F.
Leakage current must not exceed 0.5mA. Be sure to test for leakage with the AC plug in both polarities.

WARNING: CHEMICAL CONTENT NOTICE!
The solder used in the production of this product contains LEAD. In addition, other electrical/electronic and/or plastic (where applicable) components may also contain traces of chemicals found by the California Health and Welfare Agency (and possibly other entities) to cause cancer and/or birth defects or other reproductive harm. DO NOT PLACE SOLDER, ELECTRICAL/ELECTRONIC OR PLASTIC COMPONENTS IN YOUR MOUTH FOR ANY REASON WHATSOEVER! Avoid prolonged, unprotected contact between solder and your skin! When soldering, do not inhale solder fumes or expose eyes to solder/flux vapor! If you come in contact with solder or components located inside the enclosure of this product, wash your hands before handling food.

About Lead Free Solder /

All of the P.C.B.s installed in this unit are soldered using the lead free solder.
Among some types of lead free solder currently available, it is recommended to use one of the following types for the repair work.
Sn + Ag + Cu (tin + silver + copper) Sn + Cu (tin + copper) Sn + Zn + Bi (tin + zinc + bismuth)

Caution:

As the melting point temperature of the lead free solder is about 30C to 40C (50F to 70F) higher than that of the lead solder, be sure to use a soldering iron suitable to each solder.

WARNING: Laser Safety

This product contains a laser beam component. This component may emit invisible, as well as visible radiation, which may cause eye damage. To protect your eyes and skin from laser radiation, the following precautions must be used during servicing of the unit. 1) When testing and/or repairing any component within the product, keep your eyes and skin more than 30 cm away from the laser pick-up unit at all times. Do not stare at the laser beam at any time. 2) Do not attempt to readjust, disassemble or repair the laser pick-up, unless noted elsewhere in this manual. 3) CAUTION: Use of controls, adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure.
Laser Emitting conditions:
1) When the top cover is removed, and the STANDBY/ON SW is turned to the ON position, the laser component will emit a beam for several seconds to detect if a disc is present. During this time (5-10 sec.) the laser may radiate through the lens of the laser pick-up unit. Do not attempt any servicing during this period! If no disc is detected, the laser will stop emitting the beam. When a disc is set, you will not be exposed to any laser emissions.

2) The laser power level can be adjusted with the VR on the pick-up PWB. However, this level has been set by the factory prior to shipping from the factory. Do not adjust this laser level control unless instruction is provided elsewhere in this manual. Adjustment of this control can increase the laser emission level from the device.

Laser Diode Properties

Material: Wavelength: Emission duration: Laser output: GaAlAs 780 nm continuous max. 44.6 W * * This output is the value measured at a distance of about 200 mm from the objective lens surface on the Optical Pick-up Block.

Optical Pick-up

WARNING
I PREVENTION OF ELECTROSTATIC DISCHARGE
Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components commonly are called Electrostatically Sensitive (ES) Devices. Examples of typical ES devices are integrated circuits and some field-effect transistors and semiconductor chip components. The following techniques should be used to help reduce the incidence of component damage caused by electro static discharge (ESD). 1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off any ESD on your body by touching a known earth ground. Alternatively, obtain and wear a commercially available discharging ESD wrist strap, which should be removed for potential shock reasons prior to applying power to the unit under test. 2. After removing an electrical assembly equipped with ES devices, place the assembly on a conductive surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly. 3. Use only a grounded-tip soldering iron to solder or unsolder ES devices. 4. Use only an anti-static solder removal device. Some solder removal devices not classified as anti-static (ESD protected) can generate electrical charge sufficient to damage ES devices. 5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ES devices. 6. Do not remove a replacement ES device from its protective package until immediately before you are ready to install it. (Most replacement ES devices are packaged with leads electrically shorted together by conductive foam, aluminum foil or comparable conductive material). 7. Immediately before removing the protective material from the leads of a replacement ES divice, touch the protective material to the chassis or circuit assembly into which the device will be installed. CAUTION: Be sure no power is applied to the chassis or circuit, and observe all other safety precautions. 8. Minimize bodily motions when handling unpackaged replacement ES devices. (Otherwise harmless motion such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can generate static electricity (ESD) sufficient to damage an ES device).

Grounding for electrostatic breakdown prevention
1. Human body grounding. Use the antistatic wrist strap to discharge the static electricity from your body. 2. Work table grounding. Put a conductive material (sheet) or steel sheet on the area where the optical pickup is placed and ground the sheet.
The static electricity of your clothes will not be grounded through the wrist strap. So take care not to let your clothes touch the optical pickup.
Anti-static wrist strap 1M-ohms
Conductive material (sheet) or steel sheet

I FRONT PANELS

CDX-497 (R, T, K, A, B, G, J models)
CDX-397 (R, T, A, B, G models)

I REAR PANELS

CDX-497 (R model)

CDX-497 (T model)

CDX-497 (K model)

CDX-497 (A model)

CDX-497 (B, G models)

CDX-497 (J model)

CDX-397 (R model)

CDX-397 (T model)

CDX-397 (A model)

CDX-397 (B, G models)

I REMOTE CONTROL PANELS
CDX-497 (R, T, K, A, B, G, J models) CDX-397 (R, T, A, B, G models)

I SPECIFICATIONS /

I Audio Section / Frequency Response /. 2 Hz to 20 kHz, 0.5 dB Total Harmonic Distortion + Noise (1 kHz) /. 0.003 % or less Signal to Noise Ratio /. 105 dB or more Dynamic Range /. 95 dB or more Output Voltage (1 kHz, 0 dB) /. 2.0 0.5 V Headphone Output (-20 dB) / [CDX-497 model]. mV/32 ohms I General / Power Supply / R model.. AC 110-120/220-240 V, 50/60 Hz T model... AC 220 V, 50 Hz K model... AC 220 V, 60 Hz A model... AC 240 V, 50 Hz B, G models.. AC 220-240 V, 50 Hz J model.. AC 100V, 50/60 Hz Power Consumption. 13 W Dimensions (W x H x D). 435 x 87 x 287 mm (17-1/8" x 3-7/16" x 11-5/16") Weight. 3.5 kg (7 lbs. 11 oz) Finish [CDX-497] Gold color... T, K, J models Black color.. R, A, G models Titanium color.. R, B, G models [CDX-397] Gold color... T model Black color... R, T, A, G models Titanium color.. R, B, G models Accessories Remote control x 1, Batteries x 2, Audio pin cable (1.5 m) x 1 * Specifications are subject to change without notice due to product improvements.
R.. General model K.. Korean model B.. British model J. Japanese model
T. Chinese model A. Australian model G. European model

DIMENSIONS

7 (1/4") (2-3/4") (3/16") 287 (11-5/16") 276 (10-7/8")

435 (17-1/8")

Unit: mm (inch)

I INTERNAL VIEW

1 FRONT (5) P.C.B. (R model) 2 FRONT (2) P.C.B. 3 CD Mechanism 4 MAIN (2) P.C.B. 5 MAIN (1) P.C.B. 6 FRONT (4) P.C.B. 7 FRONT (3) P.C.B. (CDX-497 model) 8 FRONT (1) P.C.B.

17 (11/16")

87 (3-7/16")

I REPAIR NOTES /

None of the components of the following unit can be supplied separately. Each unit must be replaced as a whole in case of a failure. CD Mechanism MAIN P.C.B. FRONT P.C.B.
I HOW TO MANUALLY EJECT THE TRAY /
a. Turn the unit bottom up. b. Using a flatblade screwdriver, turn the loading cam 90 degrees in the direction indicated by an arrow in the figure. c. Gently pull the tray out.
Flatblade screwdriver Loading cam

I DISASSEMBLY PROCEDURES

See REPLACEMENT PARTS LIST for item numbers.
Top Cabinet [25] Mounting Remove 2 screws. [61] (2 on side) Remove 4 screws. [60] (4 on rear side) Lift top cabinet from rear side to remove. Dismounting Front Panel Ass'y Open tray. (See "HOW TO MANUALLY EJECT THE TRAY") Unlock tray lid and close tray. Remove CN42, CN52 and CN71. Remove 2 screws. [52] (Front panel ass'y to side frame) Remove 4 screws. [51] (Front panel ass'y to bottom frame) Unlock front panel ass'y from frame by releasing successively 2 snaps. (2 on the side) Remove front panel ass'y. CD Mechanism [38] Open tray. (See "HOW TO MANUALLY EJECT THE TRAY") Unlock tray lid and close tray. Remove CN21-23. Remove 4 screws. [57] (CD mechanism to bottom frame) Remove CD mechanism. MAIN (2) P.C.B. [35 (2)] Remove 1 screw. [59] (P.C.B. to rear panel) Remove MAIN (2) P.C.B. which is connected directly to the lower P.C.B. with connectors.
FRONT (3) P.C.B. [31 (3)] (CDX-497 model) Remove 1 screws. [54] (P.C.B. to front panel ass'y) Remove FRONT(3) P.C.B.
MAIN (1) P.C.B. [35 (1)] Remove CN21-23, CN41 (MAIN (1) P.C.B.) and CN44. Remove 2 screws. [56] (P.C.B. to bottom frame) Remove 1 screw. [59] (P.C.B. to rear panel) Remove 3 screws (CDX-497), 2 screws (CDX-397). [58] (P.C.B. to rear panel) Remove MAIN (1) P.C.B.
FRONT (1) P.C.B. [31 (1)] Remove 1 screws. [53] (P.C.B. to front panel ass'y) Remove FRONT (1) P.C.B.
FRONT (4) P.C.B. [31 (4)] Remove 2 screws. [53] (P.C.B. to front panel ass'y) Remove FRONT (4) P.C.B.
FRONT (2) P.C.B. [31 (2)] Remove CN41 (FRONT (2) P.C.B.), CN41(MAIN P.C.B.) and CN44. Remove CN43. (R model) (P.C.B. to rear panel) Remove 1 screws. [56] (P.C.B. to bottom frame) Remove 3 screws. [55] (P.C.B. to bottom frame)
FRONT (5) P.C.B. [31 (5)] (R model) Remove CN43. Remove 2 screws. [53] (P.C.B. to rear panel) Remove FRONT (5) P.C.B.

Cable Connections

FRONT (5) P.C.B. (R model) FRONT (2) P.C.B. CN44 CN23 CN71 CN41 (MAIN (1) P.C.B.) CN21 CN22
CN43 (R model) FRONT (2) P.C.B. A
CN42 CN41 (FRONT (2) P.C.B.) View A

CD Mechanism

FRONT (4) P.C.B.
FRONT (1) P.C.B. Front Panel A'ssy

FRONT (3) P.C.B. (CDX-497 model)

Mounting

Dismounting
CN44 CN41 (MAIN (1) P. C. B.) FRONT (2) P. C. B.

CN23 CN21 CN22

CN43 (R model) FRONT (2) P. C. B. A
CN42 CN41 (FRONT (2) P. C. B.) View A

FRONT (4) P. C. B.

FRONT (1) P. C. B. Front Panel A'ssy
FRONT (3) P. C. B. (CDX-497 model)

I TEST MODE

Starting Test Mode
a. Connect the power cable to the AC power outlet. b. Press the POWER key while simultaneously pressing W / D (PLAY/PAUSE) and A (STOP) keys of the main W A unit. c. When in the TEST mode, the TEST MODE is displayed for 2 seconds.
2 seconds Starting TEST mode This part is always displayed when in the TEST mode.
1. Function list of panel keys.

Panel key

F (OPEN/CLOSE) W / D (PLAY/PAUSE) A (STOP) T / E (SKIP-/SEARCH-) R / Y (SKIP+/SEARCH+)
Function Tray open/close. Playback/Pause. Stop. Move traverse reverse. Move traverse forward.
2. Function list of remote control keys.
F (OPEN/CLOSE) W (PLAY) D (PAUSE) A (STOP) T (SKIP-) Y (SKIP+)
TIME/INFO SPACE RANDOM OUTPUT LEVEL + OUTPUT LEVEL -
Function Tray open/close. Playback. Pause. Stop. Move traverse reverse. Move traverse forward. Check FL display. (*1) EEPROM write/read test. Spindle servo on/off. Output level up. (CDX-497 model) Output level down. (CDX-497 model)
*1 Check FL display The display condition varies as shown below according to the TIME/INFO key of the remote control.

Initial display

Icon (left)

Icon (right)

Pattern 1

Pattern 2

Pattern 3

Pattern 4

Pattern 5

Pattern 6

Pattern 7

Canceling Test Mode

Press the POWER key of the main unit. 13

F W D A T E R Y

F W D A T Y

I IC DATA

IC21 : TC94A54 (MAIN P.C.B) DSP * No replacement part available.

SBAD/RFDC

: TC94A54 (MAIN P.C.B) DSP
Pin name RFZI AVSS3 RFRP FEI SBAD/RFDC TEI TEZI AVDD3 FOO TRO VREF I/O I 3AI/F O 3AI/F O 3AI/F O 3AI/F O 3AI/F I 3AI/F O 3AI/F O 3AI/F O 3AI/F O 3AI/F O 3AI/F O 3I/F O 3I/F Description Input pin for the RF ripple zero-cross signal. Grounding pin for 3.3V analog circuits. RF ripple signal output pin. Focus error signal input pin. Subbeam addition signal input pin. Tracking error signal input pin. Input pin for tracking error signal zero-cross. Supply voltage pin for 3.3V analog circuit. Forcus equalizer output pin. Tracking equalizer output pin. Analog reference supply voltage pin. To be connected to the TEI via 0.033 uF. Connected to the VRO and PVREF within the IC. To be connected 0.1 uF. PWM ternary output (AVDD3, GND, and VREF). H at S1 when Subcode Sync is detected. Monitor pin for various signals. Remark To be connected to the RFRP via 0.033 uF.

Pin No. 3

AVSS3 RFRP
DVSS3 RO DVDD3 DVR LO DVSS3 VSS3 VDD3 VDDM VSS1S BUS0 BUS1 BUS2 BUS3 BUCK /CCE /RST STBY VDDT FGIN IO0 IO1 TESTD VSSP VCOI
CLOCK GEN PWM ANA LPF 1-bit DAC SUBCODE DEMOCULA TION CDRCUIT

100 FTE

5-bit R-2R DAC

10-bit SAR ADC TE

TNI TPI FPI1 FPI2 PNI1 PNI2 RVSS3

SERVO CONTROL

FMO DMO SBSY (SPCK) SBOK (FOK) (CLCK) (MBOV)
Speed error/feed equalizer output pin. Disc equalizer output pin. Pin for outputting the subcode block sync signal. It is H at position S1 when the subcode sync signal is detected. (CD Processor Status Read Clock (176.4 kHz) output) Pin for outputting the CRCC check result of a subcode Q data check. It is H when the check result is OK. (Focus OK signal) (Input/output pin for the clock used in reading the subcode P to W data.) (CD Buffer memory overflow output) Correction flag output pin. H if the AOUT pin outputs an uncorrectable symbol in C2 correction. (CD Processor Status signal output) Pin for outputting the playback frame sync signal. (Emphasis fiag output pin. ENPH on: H. EMPH off: L. The output polarity can be switched, using a command.) (LOCk signal) (Pin for monitoring signals in the DSP.) Output pin for zero detection flag for the 1-bit DAC. (Pin for outputting subcode P to W data) (Error Correstion Frame Clock 7.35 kHz output) General-purpose I/O (DSP) 1.5V grounding pin dedicated to the Digital circuit. 1.5V supply voltage pin dedicated to the Digital circuit. Grounding pin for the system clock oscillation circuit. Input pin for the system clock oscillation circuit. Output pin for the system clock oscillation circuit.

MDI LDO RVDD3

ROM RAN
APC DIGITAL EQ AUTO ADJ RF BLOCK

CPU I/F

ADRRESS CIRCUIT PNSEL RFO RF

CORRECTION CIRCUIT

CAV SERVO 16k RAM

CLV SERVO RFDC AGC

IPF (SPDA)

O 3I/F

PULL-UP
SYNC SIGNAL PROTECTION EFM DEMODULATION VRO
SFSY (EMPH) (LOCK) (MONIT) ZDET (DATA) (COFS) GPIN VSS1 VDD1 XVSS3 XI XO XVDD3 DVSS3 RO DVDD3 DVR LO DVSS3 VSS3 VDD3
O 3I/F I/O 3I/F I 3AI/F O 3AI/F O 3AI/F O O 3AI/F
7.35kHz (At this pin, flags in the DSP and PLL-circuit clock can be monitored, using microcontroller commands. The pin also outputs text data serially.) Valid also for 1-bit DAC external inputs. General-purpose I/O (input after a reset). Input to the internal MCK.

Pin name LPFN LPFO PVREF I/O I 3AI/F O 3AI/F Description Remark Pin for receiving an inverted output of the PLL-circuit low-pass The resistance side is connected. filter amp. See an applicable circuit diagram. Pin for the PLL-circuit low-pass filter amp output. The capacitor side is connected. See an spplicable circuit diagram. 1.65V reference supply voltage pin dedicated to the PLL Connected to the VREF and PVREF circuit. within the IC. A 0.1 uF capacitor is connected. VCO filter pin. Input pin for the VCO center frequency reference level. To be connected to the PVREF if the AWRC is not used. 3.3V grounding pin dedicated to the PLL circit. EFM slice level output pin. A capacitor to be connected is seFor both analog and digital slice modes, the output impedance lected according to the servo op= 2.5 k-ohms. eration band. RF signal input pin. Zin: 20 k-ohms, 10 k-ohms, 5 kThe input resistance can be selected, using a command. ohms RF ripple signal input pin. RF equalizer circuit output pin. To be connected to the RFRPI via 0.1 uF and to the RFI via 4700 pF or higher. To be connected to 22 k-ohms and 680 pF in parallel. Connected to the VREF and PVREF within the IC To be connected to 0.1uF anf 100 uF. To be connected to 0.1uF. To be connected to 0.015 uF or higher. To be connected directly to the RFDCI. To ne connected to the AGCI via 0.1 uF.

Pin No. 42

Pin No. 72
To be fixed at H or L when communication is not in progress, so that the pin will not become HiZ.

VCOF VCOREF PVSS3 SLCO

To be fixed at H when communication is not in progress, so that the pin will not become HiZ.
O 3AI/F I 3AI/F O 3AI/F I 3AI/F I 3AI/F O 3AI/F I 3AI/F O 3AI/F
77 To be connected to 0.1 uF. 80 Genelal-purpose I/O (input after a reset). The playback speed mode flag output can be switched, using command bits. 81

RFI RFRPI RFEQO

STBY VDDT FGIN IO0A (/HSO) IO1A (/UHSO) TESTD VSSP VCOI VDDP TESTC PIO0 PIO1 PIO2 PIO3 DOUT AOUT BCK LRCK

RESIN VRO

Pin for connecting a reference current generating resistance. 1.65V reference voltage output pin.

VMDIR TESTR INVSEL AGCI AGCI RFO
O 3AI/F I 3AI/F I 3AI/F I 3AI/F O 3AI/F
Reference voltage poutput pin for the APC circuit. LPF pin for RFEQO offset correction. Test pin, usually fixed at L. Pin for RF signal amplitude adjustment amp input. RF signal peak detsction input pin. RF signal generation amp output pin.
PNSEL EQSET RVDD3 LDO MDI RVSS3 FNI2 FNI1 FPI2 FPI1 TPI TNI FTE
AIN BCKI LRCKI VDD1 VSS1 AWRC PVDD3 PDO TMAX
1.5V supply voltage pin dedicated to the DSP circuit. 1.5V grounding pin dedicated to the DSP circuit. VCO control pin for active wide range.
99 Controllable in CLV/CAV. 100
3.3V supply voltage pin dedicated to the PLL circuit. Pin for outputting a phase difference signal between the EFM Quaternary output (PVDD3, HiZ, VSS, and PVREF). signal and PLCK signal. Ternary output (PVDD3, VSS, and Pin for outputting the result of TMAX detection. Hiz). The TMAX pin output the same signal.
I 3AI/F O 3AI/F O 3AI/F I 3AI/F I 3AI/F I 3AI/F I 3AI/F I 3AI/F I 3AI/F I 3AI/F O 3AI/F
Test pin, usually fixed at H. External connection pin for the RF signal equalizer. 3.3V supply voltage pin for the Rfamp core section. Laser diode amp output pin. Monitor photodiode amp input pin. 3.3V grounding pin for the RF amp core section. Main beam input pin. Connected to PIN diode C. Main beam input pin. Connected to PIN diode A. Main beam input pin. Connected to PIN diode D. Main beam input pin. Connected to PIN diode B. Subbeam input pin. Connected to PIN diode F. Subbeam input pin. Connected to PIN diode E. Focus /tracking signal output. (Test pin for servo characteristic measurement.) To be kept open when the RFEQ is used.
Reference to 178 mV (typ.) Switchable using a command.
Note: 3AI/F : 3V circuit analog input/output pin. 3I/F : 3V circuit digital input/output pin. 1.5AI/F : 1.5V circuit analog input/output pin.
: TA2125 (MAIN P.C.B) Motor driver * No replacement part available.

4ch Driver FIN STB IN3

REG IN4 STB

VCC RL4 REG OUT N.C. RL3

33 STBY

30 STBY

Control Logic

lref +

TSD x3 x3 x3 x3

FIN GND

N.C. N.C. RL5 VCIN IN1

N.C. N.C. IN2 RL2 RL1

No. 35 36
Symbol OUT5A VM OUT5B VCIN IN1 N.C. N.C. N.C. N.C. N.C. IN2 N.C. N.C. VCC1 OUT2M OUT2P OUT1M OUT1P OUT3P OUT3M OUT4P OUT4M VCC2 N.C. REG OUT REG OUT N.C. N.C. N.C. REG STBY IN4 IN3 STBY FIN RIN VR
Function Output terminal Supply voltage terminal for Logic Output terminal Input reference voltage Input for ch1 Open Open 8, 9, 10, 27, 28, 29 are connected to PW 8, 9, 10, 27, 28, 29 are connected to PW 8, 9, 10, 27, 28, 29 are connected to PW Input for ch2 Open Open Supply voltage terminal for ch 1/ch2 Inverted output for ch2 Non-inverted output for ch2 Inverted output for ch1 Non-inverted output for ch1 Non-inverted output for ch3 Inverted output for ch3 Non-inverted output for ch4 Inverted output for ch4 Supply voltage terminal for ch3/ch4 Open Connection with BASE of PNP Tr Output for regulator (5V) 8, 9, 10, 27, 28, 29 are connected to PW 8, 9, 10, 27, 28, 29 are connected to PW 8, 9, 10, 27, 28, 29 are connected to PW Standby control for regulator Input for ch4 Input for ch3 Standby control for 4ch BTL Logic control input Logic control input Supply voltage terminal for motor driver H-bridge H-bridge H-bridge 4ch BTL 4ch BTL 4ch BTL 4ch BTL 4ch BTL 4ch BTL 4ch BTL 4ch BTL 4ch BTL 4ch BTL 4ch BTL 4ch BTL 4ch BTL Regulator Regulator Regulator 4ch BTL 4ch BTL 4ch BTL H-bridge H-bridge H-bridge

GND (FIN) GND (FIN) GND (FIN)
: CS4392 (MAIN P.C.B) DAC * No replacement part available.
M1 (SDA/CDIN) M2 M0 (CL/CCLK) (AD0/CS)

AMUTEC

BMUTEC
MODE SELECT (CONTROL PORT) RST

EXTERNAL MUTE CONTROL

REFERENCE

VOLUME CONTROL

AOUTA+ INTERPOLATION FILTER DAC ANALOG FILTER AOUTA-

SCLK LRCK SDATA

SERIAL PORT
MIXER AOUTBVOLUME CONTROL INTERPOLATION FILTER DAC ANALOG FILTER AOUTB-
RST VL SDATA SCLK LRCK MCLK M3 (SCL/CCLK) M2 (SDA/CDIN) M1 (AD0/CS) M0
AMUTEC AOUTAAOUTA+ VA AGND AOUTB+ AOUTBBMUTEC CMOUT FILT+
: CS4392 (MAIN P.C.B) DAC
Symbol RST VL SDATA SCLK LRCK MCLK FILT+ CMOUT AMUTEC BMUTEC AOUTBAOUTB+ AOUTA+ AOUTA AGND VA Function Reset (Input) - Powers down device and resets all intemal registers to their default settings. Logic Power (Input) - Positive power for the digital input/output. Serial Audio Data (Input) - Input for twos complement serical audio data. Serial Clock (input/output) - Serial clock for the serial audio interface. Left Right Clock (Input/output) - Determines which channel, Left or Right, is currently active on the serial audio data line. Master Clock (Input) -Clock source for the delta-sigma moudukafor and digital filters. Positive Voltage Reference (Output) - Positive reference voltage for the intemal sampling circuits. Common Mode Voltage (Output) - Filter connection for internal quiescent voltage. Mute Control (output) - The Mute Confrol pin goes high during power-up initialization, reset, muting, power-down or if the master clock to left/right clock frequency ratio is incorrect. Differential Analog Output (Outputs) - The full scale differential analog output level is specified in the Analog Characteristics specification table. Ground (Input) Analog Power (Input) - Positive power for the analog section.

No. 16 17

Control Port mode Definitions
No. Symbol M3 SCL/CCLK SDA/CDIN AD0/CS Function Mode Selection (Input) -This pins should be tied to GND level during control port mode. Serial Control Port Clock (input) - Serial clock for the serial control port. Serial Control Data (input/output) - SDA is a data l/O line in l2C mode.CDIN is the input data line for the control port interface in SPI mode. Address Bit 0 (I2C) / Control Port Chip Select (SPI) (Input/Output) - AD0 is a chip address pin in I2C mode, CS is the chip select signal for SPI format.

Stand-Alone Mode Definitions
No. Symbol M3 M2 M1 M0 Function Mode Selection (Input) - Determines the operational mode of the device.

A CDX-497/CDX-397 1

I BLOCK DIAGRAM

X501 IC22 IC51

CDX-497 model

COAXIAL

IC75 JK75

OPTICAL

IC41 D401, 403 T401 IC71 IC73 JK52

IC42 D402, 404

D405, 406

IC72 IC45

Q401 SW41

AC IN POWER ON/OFF

See page 26 SCHEMATIC DIAGRAM
See page 25 SCHEMATIC DIAGRAM

LINE OUT

DIGITAL OUT

J CDX-497/CDX-397

I WIRING DIAGRAM

R model CDX-497 model

FRONT (5)

VOLTAGE/SELECTOR

MAIN (2) MAIN (1)
1 +9V AGND -9V P_MUTE PWR_ON +8V MGND VDD ST+5V FL+ FLVP FLT_ON (VP_ON) +9V 1 AGND -9V P_MUTE PWR_ON +8V MGND VDD ST+5V FL+ FLVP FLT_ON 13
-9V +9V -9V AGND +9V PWR_ON 1 6

FRONT (2) Power Control

FRONT (3)

Phones

GND HP-L GND HP-R GND V+ VMUTE_L MUTE_R
FCSTRKTRK+ FCS+ LD PD LD VR LD LD PDIC GND PDIC F PDIC C PDIC B PDIC A PDIC D PDIC E PDIC VCC PDIC VC
ST+5V RX_CLK TX_CLK DATA_OUT DATA_IN RESET DGND

CDCLOSESW

CDOPENSW

LOADING+

LOADING-

CDLIMITSW

STBYLED KEY2 KEY1 DGND DGND ST+5V VFDDI VFDCLK VFDCE VFDRST REMO FLVP FL+ VDD

SPINDLE+

SPINDLE-
-9V +9V AGND HP-R AGND HP-L AGND

PHONES

CD Machanism

FRONT (4)

NC KEY2 KEY1 GND GND ST+5V VFDDI VFDCLK VFDCE VFDRST REMO FLVP FL+ NC

FRONT (1)

Display and key's

POWER ON/OFF

I PRINTED CIRCUIT BOARDS
FOR INFORMATION ONLY (NO SERVICE PARTS WILL BE AVAILABLE)

MAIN (1) P.C.B.

(Top view)
DIGITAL OUT COAXIAL OPTICAL LINE OUT L/R

MAIN (2) P.C.B.

MAIN (2)

(CN43)

MAIN (1)

(CN42)

FRONT (2)

(CN41)

(BN71)

(BN52)

(Bottom view)

FRONT (1) P.C.B.

(CN52)

FRONT (2) P.C.B.

(BN42)

FRONT (3) P.C.B.

FRONT (5) (BN43)
(R model) T, K, A, B, G, J models

R model

(CN71)

FRONT (5) P.C.B.

220-240 VOLTS

VOLTAGE SELECTOR

110-120 VOLTS

I SCHEMATIC DIAGRAMS

FOR INFORMATION ONLY (NO SERVICE PARTS WILL BE AVAILABLE) MAIN

To CD Machanism

L R AUDIO OUT

Page 26

to FRONT (3)_BN71

to FRONT (1)_CN52

to FRONT (2)_CN41
Page 25 B7 to MAIN (1)_CN52 Page 25 H6

to MAIN (1)_CN71

Page 25

to MAIN (1)_CB41

AC IN T, K, A, B, G, J models
220-240 VOLTS VOLTAGE SELECTOR 110-120 VOLTS

I REPLACEMENT PARTS LIST

53 R model 61
58 CDX-497 model 31 (5) 200 CDX-497

201 CDX-397

57 38-(2) 35 (2)

(4) 54

Note) The replacement battery cover is not available.

31 (3) 51

35 (1)

31 (1)

G Components having special characteristics are marked s and must be replaced with parts having specifications equal to those originally installed.

s s s s

s s s s s s s

New Parts

I REMOTE CONTROL
PANELS CDX-497 (R, T, K, A, B, G, J models) CDX-397 (R, T, A, B, G models) KEY CODE

Key label

OPEN/CLOSE INDEX DIMMER RANDOM REPEAT REPEAT A-B PROGRAM CLEAR SYNCHRO TAPE PEAK SPACE
79-01 79-11 79-12 79-13 79-14 79-15 79-16 79-17 79-18 79-19 79-10 79-0B 79-1E 79-1B 79-08 79-09 79-0C 79-0D 79-58 79-57 79-5D 79-0F 79-05 79-06 79-02 79-04 79-07 79-56 79-0A 79-55 79-69 79-1D 79-6C 79-3F 79-6B 79-6A 79-1C

E SEARCH SEARCH R

T SKIP SKIP Y

STOP TIME/INFO PAUSE

H FOLDER +

OUTPUT LEVEL +

Q FILE ENTER
W FILE + G FOLDER OUTPUT LEVEL -

 

Tags

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