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SERVICE MANUAL
COMPACT COMPONENT MD SYSTEM
LEVEL
METER
DIMMER
LINE
RM-SMXS6MDR
REMOTE CONTROL
CA-MXS6MDR
SP-MXS6MD
Contents
Safety precautions
until TOC read (MD section)
CA-MXS6MDR
SP-MXS6MD
STANDBY
/ON
COMPACT COMPONENT MD SYSTEM MX-S6MDR
MENU
SP/LP2/LP4
LONG
REC
MODE
MODE
REC PAUSE
HIGH SPEED
DISC LOADING MECHANISM
CD MD
MAIN SYSTEM
SPEAKER SYSTEM
1-2
1-4
1-5
1-6
1-31
1-37
This service manual is printed on 100% recycled paper.
COPYRIGHT
2000 VICTOR COMPANY OF JAPAN, LTD.
DISC
TITLE/EDIT
ENTER
/DEMO
PHONES
LINE 2
B
E
EN
CA-MXS6MDR
CA-MXS6MDR
SP-MXS6MD
SP-MXS6MD
COMPACT
DIGITAL AUDIO
Area Suffix
U.K.
Continental Europe
Northern Europe
1-38
1-38
1-39
1-40
1-40
1-41
No.20876
Sep. 2000
1-1
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Summary of Contents for JVC CA-MXS6MDR
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Page 1: Table Of Contents
CA-MXS6MDR CA-MXS6MDR SP-MXS6MD SP-MXS6MD SERVICE MANUAL COMPACT COMPONENT MD SYSTEM CA-MXS6MDR SP-MXS6MD STANDBY LEVEL METER COMPACT COMPONENT MD SYSTEM MX-S6MDR DIMMER MENU DISC SP/LP2/LP4 LONG MODE MODE REC PAUSE LINE COMPACT HIGH SPEED DISC LOADING MECHANISM RM-SMXS6MDR CD MD REMOTE CONTROL... - Page 2 CA-MXS6MDR SP-MXS6MD 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits.
- Page 3 CA-MXS6MDR SP-MXS6MD (U.K only) 1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer.
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Page 4: Preventing Static Electricity
CA-MXS6MDR SP-MXS6MD Preventing static electricity Electrostatic discharge (ESD), which occurs when static electricity stored in the body, fabric, etc. is discharged, can destroy the laser diode in the traverse unit (optical pickup). Take care to prevent this when performing repairs. -
Page 5: Important For Laser Products
CA-MXS6MDR SP-MXS6MD Important for laser products 5.CAUTION : If safety switches malfunction, the laser is able 1.CLASS 1 LASER PRODUCT to function. 2.DANGER : Invisible laser radiation when open and inter 6.CAUTION : Use of controls, adjustments or performance of lock failed or defeated. -
Page 6: Disassembly Method
CA-MXS6MDR SP-MXS6MD Top cover Disassembly method <Main body> Removing the top cover (See Fig. 1 and 2) Remove the four screws A on the back of the body. Remove the two screws B on both sides of the body. Lift up the rear part of the top cover while pulling both sides, then remove the top cover. - Page 7 CA-MXS6MDR SP-MXS6MD Front panel assembly Joint Removing the font panel assembly (See Fig.6 to 8) Prior to performing the following procedure, remove the top cover. Disconnect the wire from connector CN603 on the input board and the card wire from CN801 on the microcomputer board.
- Page 8 CA-MXS6MDR SP-MXS6MD Removing the MD changer mechanism (See Fig.11 to 13 ) Prior to performing the following procedure, remove the top cover and the CD changer mechanism assembly. Disconnect the card wire from connectors CN511 on the main board. Remove the four screws I on both sides of the body.
- Page 9 CA-MXS6MDR SP-MXS6MD CN111 CN112 Removing the tuner board Rear cover (See Fig.15 and 16) Prior to performing the following procedure, remove the top cover. Disconnect the wire from connector CN111 and CN112 on the tuner board. Remove the screw J on the side of the body...
- Page 10 CA-MXS6MDR SP-MXS6MD Heat sink assembly Removing the heat sink assembly (See Fig.19 and 20) Bracket Prior to performing the procedure, remove the top cover, the CD changer mechanism assembly, the rear cover, the rear panel, the tuner board and the input board.
- Page 11 CA-MXS6MDR SP-MXS6MD CN911 Removing the Main board (See Fig.22) Main board Prior to performing the procedure, remove the top CN991 cover, the CD changer mechanism assembly, the rear cover, the rear panel, the tuner board, the input board and the heat sink assembly.
- Page 12 CA-MXS6MDR SP-MXS6MD (Bottom) <MD section> Removing the main board Main board (See Fig.1 and 2) Turn over the body and disconnect the card wire from connector CN408 and the flexible wire from CN408 CN407 on the main board. Remove the two screws A attaching the main board.
- Page 13 CA-MXS6MDR SP-MXS6MD Removing the head lifter (See Fig.4 to 6) Move the head lifter on top of the body in the Head lifter direction of the arrow and turn around. Detach the spring from the hook of the body. Remove the head lifter with the spring.
- Page 14 CA-MXS6MDR SP-MXS6MD Removing the Loading assembly (See Fig.8 and 9) Ref: The loading assembly, the traverse mechanism assembly and the single flame will be removable after removing the loading assembly from the body. Loading assembly Prior to performing the following procedure, remove the main board, the mechanism cover, the head lifter and the head assembly.
- Page 15 CA-MXS6MDR SP-MXS6MD Slide base (R) <Loading assembly> Removing the slide base (L) / (R) (See Fig.10) Remove the two screws E on the upper side of the loading assembly. Remove the slide base (L) outward. (Release it from the joint bosses E.) Slide base (L) Remove the slide base (R) outward.
- Page 16 CA-MXS6MDR SP-MXS6MD Removing the cartridge holder assembly (See Fig.14 and 15) Remove the two screws I on the upper side of the Slide bar loading assembly. Cartridge holder assembly Eject bar Eject bar Part g Removing the slide bar and the eject bar Fig.14...
- Page 17 CA-MXS6MDR SP-MXS6MD <Traverse mechanism assembly> Insulators Removing the Insulators (See Fig.16) Pickup unit Disengage the four insulators from the notches of the traverse mechanism chassis. Insulators Traverse machanism chassis Fig.16 Joint h Pickup guide Removing the pickup unit (See Fig.17) Turn over the traverse mechanism assembly and remove the screw J attaching the shaft holder (F).
- Page 18 CA-MXS6MDR SP-MXS6MD Removing the feed motor assembly (See Fig.19-1, 19-2) Traberse mechanism board Soldering j It is not necessary to remove the pickup unit. For the white and black harnesses extending from the feed motor assembly, unsolder the soldering i on the traverse mechanism board.
- Page 19 CA-MXS6MDR SP-MXS6MD <Reattaching the loading assembly> Reattach the eject bar to the UD base. (Fig.15 and 20) Reattach the slide bar to the loading mechanism chassis while fitting the boss marked k to the eject bar slot. (Fig.20) Slide the slide bar and the eject bar in the direction of the arrow in Fig.20 and reattach the cartridge...
- Page 20 CA-MXS6MDR SP-MXS6MD Reattach the wire holder to the UD base while engaging the UD base hook marked u to the wire holder slot marked t (At the same time, the boss on the reverse side of the wire holder is fitted to the UD base round hole).
- Page 21 CA-MXS6MDR SP-MXS6MD Reattach the UD base while engaging the four pins on both sides of the UD base to the notches of the loading mechanism base and placing the edge (marked e’) of the cartridge holder assembly under the hook e of the loading mechanism base. (Fig.23)
- Page 22 CA-MXS6MDR SP-MXS6MD <CD mechanism section> Removing the servo control board (See Fig.1 to 4) ATTENTION: Make sure the sub chassis unit is locating at the lowest position. If not,perform the following procedure from 1 to 3. Insert a screwdriver into the sub chassis slot on the...
- Page 23 CA-MXS6MDR SP-MXS6MD Top cover Removing the tray unit (See Fig.5 to 8) The tray unit can be removed despite the position of the sub chassis unit, but the lowest position is recommended to expedite the work. Remove the four screws B attaching the top cover on the top of the body.
- Page 24 CA-MXS6MDR SP-MXS6MD Removing the side unit (L) and (R) Joint h Side unit (R) (See Fig.9-1 to 9-5) Select arm Prior to performing the following procedures, remove the servo control board, the top cover and the tray Joints e unit.
- Page 25 CA-MXS6MDR SP-MXS6MD Removing the sub chassis unit (See Fig.10 to 12) Prior to performing the following procedures, remove the servo control board, the top cover, the tray unit, the side unit (L) and the side unit (R). Turn the hook gear counterclockwise to move the...
- Page 26 CA-MXS6MDR SP-MXS6MD Flap base unit Removing the flap base unit and the gear Joint tab j Joint tab i base unit (See Fig.13 and 14) Prior to performing the following procedures, remove the servo control board, the top cover, the tray unit, the side unit (L) and the side unit (R).
- Page 27 CA-MXS6MDR SP-MXS6MD Top cover Removing the pickup (See Fig.16 to 20) From the top of the body, remove the three screws H attaching the clamper base unit. Remove the clamper base unit with the two rods attached to the clamper base unit and the top cover.
- Page 28 CA-MXS6MDR SP-MXS6MD Removing traverse mechanism Joint o assembly (See Fig.21) Prior to performing the following procedure, remove the servo control board and the clamper base unit. Remove the three screws K attaching the traverse mechanism assembly. Detach the rear part of the traverse mechanism assembly upward to release the joint o with the sub chassis unit.
- Page 29 CA-MXS6MDR SP-MXS6MD Ornament grille Tweeter <Speaker section> Information This is a method of dis assembly. As parts of the repair of this speaker Woofer Boss system, it is only the speaker box assemblies. It is not possible to supply with each part unit.
- Page 30 CA-MXS6MDR SP-MXS6MD Removing the speaker (tweeter) (See Fig.4 and 5) Ornament grille Insert a screwdriver under the ornament grille and Driver remove it from the body. Tweeter ATTENTION: As the ornament grille is damaged, replace it with the tweeter. Remove the three screws B and the tweeter from the body.
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Page 31: Adjustment Method
CA-MXS6MDR SP-MXS6MD 3.Laser power adjustment Adjustment method Insert the sensor This model is auto adjust system. of laser power meter Press [ 2 key ] of MD TEST MODE 1 Remote controller 1.Setting the TEST MODE1 LCD indication L.POWER PLAY... - Page 32 CA-MXS6MDR SP-MXS6MD 4.Disc adjustment This adjustment should done after laser power adjustment. Insert Pre-master disc Complete TOC read [CAUTION] Please push the [STOP key] to remote control when the Press [MD key] of LCD display becomes [NG ERROR], and push the the Remote controller key] to remote control again.
- Page 33 CA-MXS6MDR SP-MXS6MD 5.Independent operation mode Operation key MODE In case the checking mode or adjustment Remote controller [SLEEP] Focus search [FOCUS_SEARCH] when occur the error at disc adjustment, Remote controller [6 key] Pit rough servo [P.R.SERVO] Independent mode into by select the key...
- Page 34 CA-MXS6MDR SP-MXS6MD CD TEST MODE CD section is no need the adjustment by design. 1.Setting the TEST MODE Press [STOP key] and [HIGH SPEED CD MD REC key] of the main body together and connect the power cord LCD indication...
- Page 35 CA-MXS6MDR SP-MXS6MD LCD ALL INDICATION, TIME COMPRESSION TEST MODE 1.Setting the TEST MODE POWER ON Press [POWER key],[1 key] and [STOP key] together of the Remote controller (1st time) LCD and LED are all ON (press any key) Change to normal indication...
- Page 36 CA-MXS6MDR SP-MXS6MD RUNNING MODE This running mode is a mode by which the recording is compulsorily deleted with ALL-ERASE after U-TOC is written when the recording of MD ends, and the recording is repeated again. This TEST MODE is continue recording (loop recording), it is for recording stop when MD end.
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Page 37: Flow Of Functional Operation
CA-MXS6MDR SP-MXS6MD Flow of functional operation until TOC read (MD section) Power ON MD play Key Check point Slider turns REST Confirm that the voltage switch ON at the pin 9 of CN408 are Mechanism operation ON Confirm that the voltage Laser ON at the pin 50 of IC500 are 4V. -
Page 38: Maintenance Of Laser Pickup (Md)
CA-MXS6MDR SP-MXS6MD Maintenance of laser pickup Replacement of laser pickup (MD) (MD) Change the MD pickup by referring to 1. Cleaning of pickup lens "Removing the MD pickup" in the (1) Prior to changing the pickup, clean the pickup lens. -
Page 39: Flow Of Functional Operation Until Toc Read (Cd Section)
CA-MXS6MDR SP-MXS6MD Flow of functional operation until TOC read (CD section) Check Point REST switch to ON Power ON Disc play Key Check that the voltage at by slider the pin33 of IC701 or pin3 of CN694 is 0V(a moment)? -
Page 40: Maintenance Of Laser Pickup (Cd)
CA-MXS6MDR SP-MXS6MD Maintenance of laser pickup Replacement of laser pickup (CD) (CD) (1) Cleaning the pickup lens Turn of the power switch and, disconnect the Before you replace the pickup, please try to power cord from the AC outlet. clean the lens with a alcohol soaked cotton swab. -
Page 41: Description Of Major Ics
CA-MXS6MDR SP-MXS6MD Description of major ICs AK4519VF-X (IC480) : A / D D / A converter 1.Pin layout 2.Block diagram VA AGND VB VD DGND AINL Decimation Clock MCLK VCML Modulator Filter CMODE Divider AINR LRCK Decimation VCMR Modulator SCLK... - Page 42 CA-MXS6MDR SP-MXS6MD AN8849SB-W (IC601) : Head amp 1.Pin layout 2.Block diagram OFTR Substraction FBAL GCTRL Substraction TBAL 1-42...
- Page 43 CA-MXS6MDR SP-MXS6MD 3.Pin Function Symbol Function Photo detector signal input. Laser diode drive terminal. RF amp negative input terminal. Vcc1 Power supply terminal. RFOUT Equaruzer connect terminal. EQSW Power supply terminal. Vcc2 RF AGC input terminal. RF AGC filter connect terminal.
- Page 44 CA-MXS6MDR SP-MXS6MD CXA2523AR (IC310) : MD servo 1.Block diagram ADIP Amp TE/SE Amp PEAK 3TADJ FE Amp RFAGC 22 EQADJ AGCI 21 VREF COMPO 20 F0CNT COMPP 19 XSTBY ADDC 18 XLAT 17 SCLK Command I/F 16 SWDT 15 TEMP R...
- Page 45 CA-MXS6MDR SP-MXS6MD Symbol Function Pin No. Reference voltage output. VREF Equalizer center frequency setting pin. EQADJ BPF3T center frequency setting pin. 3TADJ Power supply. BPF22 center frequency setting pin. WBLADJ Tracking error signal output. Connects the sled error signal LPF capacitor.
- Page 46 CA-MXS6MDR SP-MXS6MD CXD2662R (IC350) : DSP 1.Pin layout 2.Block diagram 16 17 18 29 27 28 90 52 CLOCK FILI XRAS GENERATOR FILO XCAS CLTV EFM ACIRC Each block ENCODER DECODER A00 A11 COMP D0 D3 XINT SHOCK RESISTANT ASYI...
- Page 47 CA-MXS6MDR SP-MXS6MD 3.Pin function Symbol Function Pin No. MNT0 Monitor output. MNT1 Monitor output. MNT2 Monitor output. MNT3 Monitor output. SWDT Data input for microcomputer serial interface. SCLK Shift clook input for microcomputer serial interface. XLAT Latch input for microcomputer serial interface.Latched at the falling edge.
- Page 48 CA-MXS6MDR SP-MXS6MD Symbol Function Pin No. XCAS External DRAM CAS output. External DRAM address output. XRAS External DRAM RAS output. External DRAM write enable. External DRAM data bus. External DRAM data bus. External DRAM data bus. External DRAM data bus.
- Page 49 CA-MXS6MDR SP-MXS6MD Symbol Function Pin No. SRDR Sled servo drive PWM output. ( ) SFDR Sled servo drive PWM output. (+) SPRD Spindle servo drive output. (PWM ( ) or polarty) SPFD Spindle servo drive output. (PWM (+) or PWM absolute value) FGIN Spindle CAV servo FG input.
- Page 50 CA-MXS6MDR SP-MXS6MD HD6432345A15FA (IC500) : MD servo control 1.Pin layout 2.Pin function (1 / 2) Symbol Function PIN No. I/O Data input for EEPROM. Data input for EEPROM. Clock output for EEPROM. Chip select for EEPROM 1. STSRDY Non connected.
- Page 51 CA-MXS6MDR SP-MXS6MD Pin function (HD6432345A15FA 2 / 2) Symbol Function PIN No. I/O MPROT Write protect switch input. SSTOP SLED rest position detect input. HREF Refrect level select switch input. 54~56 MMONI0~2 Test terminal. Oparation setting for CPU. Oparation setting for CPU.
- Page 52 CA-MXS6MDR SP-MXS6MD MN662748RPM (IC651) : Digital servo & digital signal processer 1. Pin layout 20 ~ 41 ~ 2.Block diagram AVSS1 LRCKIN(MSEL) 8TIMES AVDD1 BCLK(SSEL) DIGITAL OVER SAMPUNC OUTR SRDATAIN DEEMPHSIS 1BIT DIGITAL FILTER (PSEL) LOGIC IOSEL CLVS BLKCK OUTL...
- Page 53 CA-MXS6MDR SP-MXS6MD 3. Pin function Dymbol I/O Function Symbol I/O Function BCLK Not used Tracking error shunt signal output (H:shunt) LRCK Not used PLAY Not used SRDATA WVEL Not used Not used DVDD1 Power supply (Digital) RF signal input DVSS1...
- Page 54 CA-MXS6MDR SP-MXS6MD UPD780024AGKB08 (IC251) : Unit micon 1. Pin layout 2. Pin function (1/2) Symbol Function E2SCK EEPROM serial clock output E2SDL EEPROM serial data I/O Synchronization / asynchronous system MRDY Ready signal input terminal ITRVP3 Tray play position 3...
- Page 55 CA-MXS6MDR SP-MXS6MD 2. Pin function (2/2) Symbol Function TRY1CLOSE Tray 1 close signal input AVREF Reference power supply voltage AVDD Reference power supply voltage /RESET CD reset signal input Non connect Reference power supply voltage No use ( for Flash micon)
- Page 56 CA-MXS6MDR SP-MXS6MD AK93C65AF-X (IC590) : EEPROM 1.Pin layout 8 PIN SOP 2.Block diagram DATA REGISTER R/W AMPS AUTO ERASE EEPROM INSTRUCTION REGISTER INSTRUCTION DECODE, CONTROL 4096bit 256 x 16 CLOCK ADD. DECODER GENERATION BUFFERS VPP SW VREF GENERATOR 3.Pin function Pin no.
- Page 57 CA-MXS6MDR SP-MXS6MD BD7910FV-X (IC450) : Pre driver 1.Block diagram Mute Pre driver SVcc Vregin 2.Pin function Symbol Function Symbol Function Vreg IN Regulator input and regulator Non connect power supply VOD2 Sync.output (Lower power MOS,drain) Reg GN Regulator GND "H"bridge GND (Lower power MOS,source)
- Page 58 CA-MXS6MDR SP-MXS6MD BR24C01AFV-W-X (IC201) : EEPROM 1.Pin layout 2.Block diagram 1kbit EEPROM ARRAY 8bit 7bit ADDRESS SLAVE/WORD DATA 7bit ADDRESS REGISTER DECODER REGISTER START STOP CONTROL LOGIC HIGH VOLTAGE GEN. Vcc LEVEL DETECT 3.Pin function Pin name Function Power supply...
- Page 59 CA-MXS6MDR SP-MXS6MD HY51V17400CT-60 (IC390) : DRAM 1.Pin layout 2.Pin function Pin Name Parameter /RAS Row Address Strobe /CAS Column Address Strobe Write Enable Output Enable A0~A11 Address Input (4K Refresh Product) A0~A10 Address Input (2K Refresh Product) DQ0~DQ3 Data In/Out Power (3.3V)
- Page 60 CA-MXS6MDR SP-MXS6MD LA6541-X (IC801) : Servo driver 1. Pin Layout & block diagram Vref Vin4 Vin3 Level B T L B T L Level RESET shift driver driver shift Level B T L B T L Level Regulator shift driver...
- Page 61 CA-MXS6MDR SP-MXS6MD M63008FP-X (IC410) : 5ch Actuator driver 1.Pin layout REG+ CH3IN REGB OUT3 IN1+ IN3- VBS1 VBS2 IN1- IN3+ OUT1 VM1- VM3- VM1+ VM3+ VM4+ VM2+ VM4- VM2- VM5+ OUT2 VM5- IN2- OUT5 IN2+ IN5- MUTE1 IN5+ MUTE2 IN4+...
- Page 62 CA-MXS6MDR SP-MXS6MD MN101C12GDW (IC851): Panel micon 1.Pin layout 2. Pin function Function Symbol Pin No. Connect to ground. LEVEL Lch Input terminal. LEVEL Rch Input terminal. Connect to ground. A / D Power A / D Ref. voltage. Ref. voltage.
- Page 63 CA-MXS6MDR SP-MXS6MD NJM4580D (IC672) : LPF, Mic and H.phone Amp. 1.Terminal layout A OUT A -IN B OUT A +IN B -IN B +IN (TOP VIEW) 2.Block diagram INPUT OUTPUT 1-63...
- Page 64 CA-MXS6MDR SP-MXS6MD STK402-030 (IC301) : Power amp. 1.Pin layout 2.Block diagram TR11 TR14 TR15 TR12 TR10 TR13 TR16 14 15 1-64...
- Page 65 CA-MXS6MDR SP-MXS6MD TC7S08F-W (IC340) : Buffer 1. Pin layout 2. Block diagram IN B IN A OUT X TC7S32F-X (IC603) : NAND gata 1.Pin layout 2.Block diagram 5 VDD IN B 1 IN A 2 4 OUT X Vss 3 LB1641 (IC851,IC852) : DC motor driver NJM4580E-W (IC652): Ope.
- Page 66 CA-MXS6MDR SP-MXS6MD TDA7439 (IC671) : Control volume 1.Pin layout DIG GND TREBLE(R) AGND TREBLE(L) ROUT MIN(L) LOUT MOUT(L) R-IN4 BOUT(L) R-IN3 BIN(L) R-IN2 BOUT(R) R-IN1 BIN(R) L-IN1 MOUT(R) L-IN2 MIN(R) L-IN3 L-IN4 MUXOUTR MUXOUTL TDA7439 2.Block diagram L-IN1 SPEAKER LOUT...
- Page 67 CA-MXS6MDR SP-MXS6MD TK11140SC-W (IC485) : Regulator 1.Pin layout on / off control 1 6 Vin GND 2 Np (Vref) 3 4 Vout 2.Block diagram VOUT Thermal Sensor Rin=550k on / off Ccont. Bandgap Reference UPC393G2-W (IC602) : Voltage comparator 1.Pin layout 2.Block diagram...
- Page 68 CA-MXS6MDR SP-MXS6MD XC62ER3602M-X (IC400) : Regulator 1.Pin layout 2.Block diagram Current Limit Voltage Reference 3.Pin function Pin No. Symbol Function Power supply input Regulator output Base current control terminal Chip enable 1-68...
- Page 69 CA-MXS6MDR CA-MXS6MDR SP-MXS6MD SP-MXS6MD VICTOR COMPANY OF JAPAN, LIMITED AUDIO & COMMUNICATION BUSINESS DIVISION PERSONAL & MOBILE NETWORK B.U 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan Printed in Japan 1-69 No.20876 200009(O)