JVC NX-MD1 Service Manual Download Page 38

Page: 38 / 69

NX-MD1R/NX-MD1

1-38

Flow of functional operation until TOC read (MD)

MD play key

Detection of Disc

Focus servo ON

(Tracking servo ON)

Automatic tuning of

Focus error gain

TOC reading

Play a disc

Power ON

Slider turns REST

Switch ON.

Check Point

Confirm that the voltage
at the pin 9 of CN408 are 0V

Mechanism Operation ON

Laser ON

Confirm that the voltage
at the pin 79 of IC500 are 4V

Automatic tuning of

Focus S-curve amplitude

Confirm that the Focus error
S-cuve signal at the pin34 of
IC310 is approx.2Vpp

Disc is rotated

It is confirmed that pin2 of CN408
become 0V from VREF as an acceleration
pulse between about 400ms.

Automatic tuning of

Tracking error gain

Confirm that the eye-pattern
at the pin38 of IC310

Summary of Contents for NX-MD1

Page 1: ...ional operation until TOC read CD Flow of functional operation until TOC read MD Maintenance of laser pickup CD Replacement of laser pickup CD Maintenance of laser pickup MD Replacement of laser pickup MD Description of major ICs 1 2 1 3 1 5 1 6 1 32 1 37 1 38 1 39 1 39 1 40 1 40 1 41 68 SERVICE MANUAL CA NXMD1R CA NXMD1 SP NXMD1 SP NXMD1 Area suffix NX MD1 A Australia US Singapore UB Hong Kong UP...

Page 2: ...abinet screw heads headphone jack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particularly any exposed metal part having a return path t...

Page 3: ...l pickup 1 In order to maintain quality during transport and before installation both sides of the laser diode on the replacement optical pickup are shorted After replacement return the shorted parts to their original condition Refer to the text 2 Do not use a tester to check the condition of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diod...

Page 4: ...erse unit is decomposed Please refer to Disassembly method in the text for pick up and how to detach the substrate 1 Short the shorting round before the flexible wire is removed from connector CN601 on the CD servo board as shown in Figure When the wire is removed without putting up solder the CD pick up assembly might destroy 2 Please remove solder after connecting the flexible wire with when you...

Page 5: ...unction the laser is able to function 6 CAUTION Use of controls adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure VARNING Osynlig laserstrålning är denna del är öppnad och spårren är urkopplad Betrakta ej strålen VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle Älä katso säteeseen ADVARSEL ...

Page 6: ...of the top cover 1 2 3 Prior to performing the following procedure remove the top cover Remove the nine screws C attaching the rear cover from the back side of the main body Set the speaker and antenna terminals to the locked condition Disengage the claws a of the rear cover from the chassis and remove the cover toward the rear Removing the rear cover See Fig 3 Main body section Disassembly method...

Page 7: ...1 on the system control board 1 2 3 4 5 6 Prior to performing the following procedure remove the top cover Prior to performing the following procedure remove the rear cover Disconnect the card wires from connectors CN661 CN695 and CN511 on the main amplifier board Remove the protector then remove the screws G attaching the main amplifier board Remove the screw H and screw I attaching the main ampl...

Page 8: ... the regulator board Disconnect the wires from connectors CN903 and CN995 on the regulator board 1 2 Prior to performing the following procedure remove the top cover Prior to performing the following procedure remove the rear cover Prior to performing the following procedure remove the system control board Prior to performing the following procedure remove the main amplifier board Prior to perform...

Page 9: ... and lift the rear of the assembly to remove it 1 2 3 Prior to performing the following procedure remove the top cover Prior to performing the following procedure remove the rear cover Prior to performing the following procedure remove the system control board Prior to performing the following procedure remove the main amplifier board Prior to performing the following procedure remove the regulato...

Page 10: ...er board from the left and right side of the sub chassis Disconnect the wire from connector CN921 on the AC jack board Remove the power board in an upward direction 1 2 Prior to performing the following procedure remove the top cover Prior to performing the following procedure remove the rear cover Prior to performing the following procedure remove the system control board Prior to performing the ...

Page 11: ...he following procedure remove the MD mechanism assembly Remove the four screws U attaching the sub chassis from the left and right side of the bottom chassis Remove the screw V attaching the sub chassis Disconnect the card wire from connector CN691 on the repeater board Remove sub chassis cover with regulator board and fan motor assembly in the direction of the arrow Remove the three screws W atta...

Page 12: ...ve the system control board Prior to performing the following procedure remove the main amplifier board Prior to performing the following procedure remove the MD mechanism assembly Remove the two screws X attaching the front panel assembly from bottom side of the bottom chassis Release the three claws f on the bottom side of the main body using screwdriver and detach the front panel assembly towar...

Page 13: ...assembling fit the rib of the front panel into the location hole h on the front board before attaching it Prior to performing the following procedure remove the front panel assembly Front panel assembly section Fig 16 Removing head phone USB board See Fig 16 1 2 3 Remove the wire from two wire holders i Remove the two screws AA attaching the head phone USB board Remove the head phone USB board Z Z...

Page 14: ... it Remove the four screws AC attaching the MD bracket from left and right side of the MD mechanism assembly Remove the MD bracket to the bottom side MD mechanism assembly section Fig 17 Prior to performing the following procedure remove the top cover Prior to performing the following procedure remove the rear cover Prior to performing the following procedure remove the MD mechanism assembly CN522...

Page 15: ...ront cover from the bottom of the main body Lift the front cover little by little to remove Remove the front cover toward the front and disconnect the yellow and black wires from the two tweeter speaker terminals 1 2 3 4 Removing the front cover See Fig 1 to 3 Note Avoid replacing individual parts Fig 1 Fig 3 Joints a Joints b Joints a Saran net Fig 2 Front cover Tweeter speaker Front cover Speake...

Page 16: ... and disconnect the wire yellow and black blue and black from the two speaker terminals 1 2 Removing the woofer speaker See Fig 4 Prior to performing the following procedure remove the front cover Remove the two screws B attaching the tweeter speaker on the back of the front cover 1 Removing the tweeter speaker See Fig 5 Fig 4 Fig 5 Woofer speaker A A Tweeter speaker Front cover B ...

Page 17: ...anism Assembly Removing the CL Base Assembly and Tray Refer to Figs 1 to 5 1 Remove the two screws A fastening the CL base assembly from the top of the CD mechanism assembly 2 Move the CL base assembly diagonally upwards as indicated by the arrow to release it from the two hooks a 3 Turn the idle gear in the arrow marked direction from the upper side of the CD mechanism assembly Accordingly the TR...

Page 18: ...ve the CL base assembly and tray 1 If the TRAMECHA assembly is lowered and it is located out of the PLAY position turn the idle gear in the arrow marked direction so that the hole in the part f of the tray gear meets the hole on the CL base assembly Set the TRAMECHA assembly at the PLAY position 2 Remove the three screws B fastening the TRAMECHA assembly and then remove the TRAMECHA assembly upwar...

Page 19: ... mechanism P C board from the back of the mechanism assembly 2 Disconnect the flexible wire from the connector CN601 on the mechanism P C board 3 Remove the three screws C fastening the mechanism P C board 4 Unsolder the two points of the part h and one point of the part i of the mechanism P C board Then remove the mechanism P C board upwards Note When reinstalling the mechanism P C board connect ...

Page 20: ...marked direction from the top of the TRAMECHA assembly so that the pickup assembly is shifted to the reverse side of the T T assembly Move the pickup assembly until the part j of the rack plate in the lower part of the pickup assembly comes out of the CH base assembly 4 Remove the two screws D retaining the shaft of the pickup assembly Next disengage the hook k from the CH base assembly and then r...

Page 21: ...y while shifting it to the T T side inward so that the part m of the rack plate is positioned as shown in Fig 16 4 Move the pickup assembly to the center position and fasten the shaft with the two screws D Make sure that the part n of the rack plate is correctly engaged with the middle gear 5 After passing the flexible wire coming from the pickup through the opening of the CH base assembly connect...

Page 22: ...ervo board Then remove the MD servo board 1 2 3 Removing the MD servo board See Fig 1 and 2 Remove the four screws B on both sides of the mechanism cover Remove the screw B on the earth wire of the mechanism cover Move the mechanism cover toward the front to disengage the front hook of the mechanism cover from the internal loading assembly Joint c Then remove the mechanism cover upward 1 2 3 Remov...

Page 23: ...fter with the spring If necessary remove the spring from the head lifter 1 2 3 Removing the head lifter See Fig 4 to 6 Remove the screw C on the upper side of the body Remove the head assembly while pulling the flexible harness from the body 1 Removing the head assembly See Fig 7 Fig 4 Fig 5 Fig 6 Fig 7 C Head lifter Spring Spring Head lifter Head assembly Head lifter ...

Page 24: ... disengage it from the traverse mechanism assembly Joint d Then remove it upward Remove the traverse mechanism assembly from the single flame 1 2 3 Removing the Loading assembly See Fig 8 and 9 The loading assembly the traverse mechanism assembly and the single flame will be removable after removing the loading assembly from the body Ref Fig 8 Fig 9 Loading assembly Traverse mechanism assembly Sin...

Page 25: ... the joint f Remove the belt from the loading motor assembly Remove the slit washer to the cam gear Remove the two screws G attaching the loading motor 1 2 3 4 5 Removing the loading motor See Fig 12 and 13 Loading mechanism assembly section Remove the slit washer attaching the cam gear and pull out the cam gear Disconnect the harness from the wire holder and from connector CN612 on the cam switch...

Page 26: ...dge holder assembly Remove the slide bar upward Move the eject bar outward until it stops as shown in Fig 14 Push the convex part g on the bottom of the body and remove the eject bar from the chassis 1 2 Removing the slide bar and the eject bar See Fig 14 and 15 Fig 14 Fig 15 J J J Slide bar Slide bar Eject bar Part g Cartridge holder assembly Cartridge holder assembly Eject bar Eject bar UD base ...

Page 27: ...the shaft side of the pickup unit upward and release the joint h with the pickup guide Then remove the pickup unit with the shaft 1 2 3 Removing the pickup unit See Fig 17 Draw out the shaft from the pickup Remove the two screws L attaching the rack spring 1 2 Removing the pickup See Fig 18 Traverse mechanism assembly section Fig 16 Fig 17 Fig 18 L K Insulators Insulators Joint h Pickup guide Pick...

Page 28: ... the feed motor bracket 1 2 3 Removing the feed motor assembly See Fig 19 20 Prior to performing procedure remove the feed motor assembly For the red and black harnesses extending from the spindle motor unsolder the soldering j on the traverse mechanism board Remove the screw N attaching the traverse mechanism board 1 2 Removing the traverse mechanism board See Fig 19 Fig 19 Fig 20 N M P Feed moto...

Page 29: ...ws J Fig 21 and 22 1 2 3 Reattaching the loading assembly Make sure the pin of the eject lever marked m is fitted to the slot of the eject bar marked n at the bottom of the loading mechanism chassis after moving the eject lever and the loading slider of the cartridge holder assembly in the direction of the arrow Refer to Fig 22 ATTENTION Fig 21 Fig 22 J J H H UD base UD base Bottom Ditch n Cam swi...

Page 30: ...e fitting the cam gear slot to the cam switch boss Fig 23 4 5 6 Reattach the loading motor assembly using the screw F Connect the harness extending from the loading motor to connector CN612 on the switch board and fix it with the wire holder Fig 23 7 When reattaching the cam gear the cam switch boss should be fitted to the cam gear slot and the triangle mark of the cam gear should be aligned to th...

Page 31: ...R while fitting the two pins on another side of the UD base to the slots of the slide base L Fig 26 Make sure the two slots of the slide base L are fitted to the two bosses marked e and tighten the two screws E Fig 27 10 Fit the part s of the slide base R to the part t on the inward side of the cam gear rib Fig 26 ATTENTION To expedite the work bring up the UD base slightly when fitting each pin t...

Page 32: ...h Windows 98 Windows 2000 and Windows Me For details of the removal see the previous section Disassembly method System control board CD mechanism assembly USB audio terminal Caution Remove the four screws retaining the top cover from the rear panel and the two screws retaining it from the left and right side panels Remove the two screws retaining the front cover from the rear side and the two scre...

Page 33: ... check method 1 CD section 1 Indication of the C1 error 2 Cancel of the C1 error indication To cancel the C1 error indication cut off the power supply FL indication CD TEST 200 Hz or less FL indication Press the STANDBY ON key on the main unit Times Press the CD OPEN CLOSE key and insert the test disk While pressing both the STOP key and CD PLAY key on the main unit turn on the primary power suppl...

Page 34: ...8 mW approximate it to 0 68 mW as accurately as possible MD playback laser power adjustment is complete Press the 4 key on the remote controller Set up the recording laser power Adjust the power to be 6 23 mW or more If the value exceeds 6 23 mW approximate it to 0 68 mW as accurately as possible Setup of the MD laser power is complete Press the STANDBY ON key on the main unit FL indication L POW ...

Page 35: ...he TEST MODE 00 Automatic adjustment is incomplete 01 Rest switch detection 02 Focus on 03 EF balance tracking offset adjustment Pit area 04 ABCD level I V resistance adjustment Pit area 05 Focus servo AGC Pit area 06 Tracking servo AGC Pit area 07 Focus bias adjustment Pit area 08 EF balance tracking offset adjustment GRV area 09 ABCD level I V resistance adjustment GRV area 0A Focus servo AGC GR...

Page 36: ... the TEST MODE 2 Press the 6 key on the remote controller FL indication XXXXX XXXX Each time the 6 key on the remote controller is pressed the indication changes from ASG to TRG from TRG to TRB and so on as shown in the figure Set up the TEST MODE 2 Press the 8 key on the remote controller Counting of number of C1 errors starts and it continues until it counts up the maximum number of C1 errors wi...

Page 37: ...rotate TOC reading finishes Automatic measurement of TE amplitude and automatic tuning of TE balance 500mv div 2ms div Fig 1 Approx 3sec pin 20 of IC601 TE Approx 1 8V VREF Tracking error waveform at TOC reading Power ON Play Key Confirm that the Focus error S cuve signal at the pin28 of IC651 is approx 2Vp p Confirm that the signal from pin24 IC651 R808 is 0V as a accelerated pulse during approx ...

Page 38: ...e voltage at the pin 9 of CN408 are 0V Mechanism Operation ON Laser ON Confirm that the voltage at the pin 79 of IC500 are 4V Automatic tuning of Focus S curve amplitude Confirm that the Focus error S cuve signal at the pin34 of IC310 is approx 2Vpp Disc is rotated It is confirmed that pin2 of CN408 become 0V from VREF as an acceleration pulse between about 400ms Automatic tuning of Tracking error...

Page 39: ...de has expired the following symptoms will appear 1 The level of RF output EFM output ampli tude of eye pattern will below Is the level of RFOUT under 1 25V 0 22Vp p Replace it NO YES O K 3 Semi fixed resistor on the APC board The semi fixed resistor on the APC board which is attached to the pickup is used to adjust the laser power Since this adjustment should be performed to match the characteris...

Page 40: ...vice life of the laser diode will be exhausted when the laser power is low it is necessary to change the pickup Meanwhile do not pickup Otherwise the pickup will be damaged due to over current 3 Method of measuring the drive current of laser diode When the voltage measured at R337 both end of the MD servo board ENX 0223 have become 120mV or over the service life of the laser diode is judged to hav...

Page 41: ...LK SDTO DGND VD SDTI CMODE DEM1 DEM0 AOUTL AOUTR VCOM AGND VB VA Voltage Reference Input Pin for DAC VA Voltage Reference Input Pin for ADC VA RCH Analog Input Pin Rch Common Voltage Output Pin 0 45xVA Lch Common Voltage Output Pin 0 45xVA Lch Analog Input Pin ADC Power Down Mode Pin L Power Down DAC Power Down Mode Pin L Power Down Master Clock Input Pin Input Output Channel Clock Pin Audio Seria...

Page 42: ...TEOUT TEN FEN FEOUT GCTL FBAL TBAL E F D B C A Earth terminal VREF output terminal VDET output terminal VDET input terminal TE Amp output terminal TE Amp reversing input terminal FE Amp reversing input terminal FE Amp output terminal Terminal GCTL APC FBAL control terminal TBAL control terminal Tracking signal input terminal 1 Tracking signal input terminal 2 Focus signal input terminal 4 Focus si...

Page 43: ...eg NF Non connect Sync output Lower power MOS drain H bridge GND Lower power MOS source Sync output Lower power MOS drain Source output Upper power MOS source H bridge power supply terminal Upper power MOS source Source output Upper power MOS source External PNP drive output for regulator Reglator output Emitter follower output Regulator feedbaack terminal I I O I I O O O O O O O O Pin No Pin No S...

Page 44: ...k generation Command register Dummy bits Address buffer Data register Power supply voltage detector Write disable High voltage generator Address decoder R W amplifier 1 2 3 4 8 7 6 5 PE VCC CS SK NC GND DO DI 1 Pin No Chip select input Serial clock input Serial data input Ground No connect Power supply 2 3 4 5 6 7 8 Symbol PE VCC CS SK DI DO GND NC Function I O Serial data output Not use I I I O ...

Page 45: ...m GP1U271X IC721 Receiver for remote DATA 1 2 3 IN B IN A Vss 5 4 VDD OUT X A B Vcc GND Y TC7S08F IC340 Buffer 1 Terminal layout 2 Block diagram TK11140SC IC485 Regulator Co GND NB 1 2 3 5 4 VI VO 1 Terminal layout 2 Block diagram 5 4 3 VI Co 550kΩ GND VO NB Thermal sensor Bandgap reference 1 2 ...

Page 46: ...ut A current input for main beam servo signal B current input for main beam servo signal C current input for main beam servo signal D current input for main beam servo signal E current input for side beam servo signal F current input for side beam servo signal Reflection light quantity monitor signal input Laser APC output Reference voltage input for the laser power intensity setting Connect to GN...

Page 47: ... output Reflection light quantity signal output for the main beam servo detector RF ABCD bottom hold signal output Peak hold signal output for the RF ABCD signals RF equalizer output Connects the RFAGC capacitor RFAGC input User comparator output User comparator non inverted input Connects the capacitor for ADIP amplifier feedback circuit User operational amplifier output User operational amplifie...

Page 48: ...ATOR each block each block each block 16 17 18 29 27 28 90 52 OSCI OSCO XTSL FS256 LRCK XBCK FS4 MDDT1 SHOCK RESISTANT MEMORY CONTROLLER ATRAC ATRAC3 ENCODER DECODER DIGITAL AUDIO I F SAMPLING RATE CONVERTER SUBCODE PROCESSOR 4 4 4 12 2 46 44 47 43 XRAS XCAS XWE XOE A00 A11 D0 D3 14 15 XINT TX 26 25 24 23 22 21 DADT ADDT XBCKI LRCKI DATAI DIN DIN1 DOUT 12 11 DQSY SQSY 84 88 89 86 85 92 91 83 LDDR ...

Page 49: ...L high 512Fs 22 5792MHz XTSL1 command low and XTSL low 1024Fs 45 1584MHz XTSL1 command high 2048Fs 90 3168MHz Digital audio interface signal input 1 Digital audio interface signal input 2 Digital audio interface signal output Test pin Connect to GND Test pin Connect to GND Test pin Connect to GND Data input from A D converter REC monitor output decoded audio data output LA clock 44 1kHz output to ...

Page 50: ...antity of light Signal input for quantity of light Focus error signal input Auxillary input 1 Center voltage input Monitor output for A D converter input signal Analog power supply Voltage input for the upper limit of the A D converter operating range Voltage input for the lower limit of the A D converter operating range Analog ground Sled error signal input Tracking error signal input Connect to ...

Page 51: ...WM or polarity Spindle servo drive output PWM or PWM absolute value Spindle CAV servo FG input Test pin Connect to GND Test pin Connect to GND Test pin Connect to GND Digital ground Low when playback EFM encoded data output when recording SRDR SFDR SPRD SPFD FGIN TEST1 TEST2 TEST3 DVSS EFMO O O O O I I I I O Pin No Symbol I O Function ...

Page 52: ...FFER AM OSC REG AM RF AFC AM AGC O I O I I I AM Local oscillation Signal output This is a terminal of AM Local oscillation circuit Register value between pin 26 and pin28 desides the frequency width of the input signal AM RF signal input This is an output terminal of voltage for FM AFC This is an AGC voltage input terminal for AM O O I O AM detection output FM detection output Mpx input terminal O...

Page 53: ...D1 IN2 13 11 12 Pre driver Power Pre driver IN 6 POWER GND2 9 8 10 IN 4 7 Power Load short protector VCC short protector output pin GND short protector output pin GND short protector output pin Over voltage Surge protector Thermal shut down Pre driver Power Pre driver Power Load short protector VCC short protector output pin IN1 INR SG STB INL PP POP OUTL GND OUTL OUTR GND OUTR VCC RF 1 14 ...

Page 54: ...outputs ON OFF BTL AMP 1 input pin BTL AMP 1 input pin For gain adjustment BTL AMP 1 input pin Non inverting side BTL AMP 1 input pin Inverting side BTL AMP 2 input pin Inverting side BTL AMP 2 input pin Non inverting side BTL AMP 2 input pin For gain adjustment BTL AMP 2 input pin External transistor collector PNP connection 5V power supply output External transistor PNP base connection Reset out...

Page 55: ... Input output port Input output port Data input output Function IF counter signal input IF signal output Not use AM Local OSC signal output FM Local OSC signal input Power suplly VDD 4 5 5 5V When power ON Reset circuit move PLL charge pump output H Local OSC frequency Height than Reference frequency L Low Agreement Height impedance Input for active lowpassfilter of PLL Output for active lowpassfi...

Page 56: ...resistor connection pins for configuring filter used for bass band Rch ATT equalizer output pin Capacitor connection pins used to configure super bass filter Rch Non inverted input pins of general purpose op amp Rch Inverted input pins of general purpose op amp Lch General purpose op amp output pin Rch Power supply Serial data pins and clock input pin for control 3 Block diagram VOLDI VOLCE Vss LO...

Page 57: ...esh Product Adress input 2K Refresh Product Ground Output enable Colum adress strobe 3 Block diagram DO D1 D2 D3 Data output buffer Data input buffer D0 3 D0 3 OE 4 4 WE CAS CAS clock generator Colum pre decoder 11 10 Reflesh controller Reflesh counter Low pre decoder 11 12 RAS clock generator X16 parallel test Colum decoder Sense amp I O gate Low decoder Memory arry 4 194 304 x 4 Sub straight gen...

Page 58: ... 14 12 8 9 7 6 5 3 4 39 38 40 37 41 42 34 35 31 30 23 24 22 29 28 26 25 27 19 17 18 10 11 32 33 IN1 IN1 OUT1 VM1 VM1 VM2 VM2 OUT2 IN2 I IN2 VREFO VREF REGB REG VREF E2 CH2 X5 CH1 X5 E1 VREG VBS1 VBS1 VBS1 VBS2 VBS1 VBS1 VBS2 1 25V CH3 X8 CH4 X8 CH5 X8 E3 E4 E5 VBS2 VBS2 VBS2 VBS2 Vm1 Vm2 R R R R Vrefm1 Vrefm2 BIAS HI Sleep SLEEP TSD Low Open MUTE ON 1 4 CH 5CH VBS1 Vm1 VBS1 VBS2 Vm2 IN3 IN3 OUT3 C...

Page 59: ...n 0 Connect to digital ground Analog supply forR channel 5v Analog ground for R channel Analog output for R channel Analog ground DC common mode voltage for DAC Analog supply 5v Analog output for L channel Analog ground for L channel Pin No Symbol I O Function XTI V DD C DGNDC V DD DGND D D V BUS DGNDU PLYBCK SSPND ZERO TEST3 TEST2 XTC V CC P AGNDP V CC L AGNDL OUTL V CC V COM AGND OUTR AGNDR V CC...

Page 60: ...r supply Main clock output 8MHz Main clock input 8MHz Connect to GND Sub clock output 32MHz Sub clock input 32MHz Beat cut input Status input for CD control Remote control signal input Not use Connect to GND System reset input MD reset output LCD contrast control signal output1 FAN MOTOR ON OFF control output I O I O I O I I I O O O 1 Terminal layout 2 Pin function I O Function Front control switc...

Page 61: ...ier power signal output TR switch control Volume key LED control Obstruction signal control Stand by LED control output RED Connect to GND Connect to power supply O I O O O O O O O O Pin No Symbol I O Function DAVss BACK LIGHT DAVdd MD control data I O MD control data I O O I O I O LCD data output O LCD chip select output O LCD deta clock output LCD reset signal output O LCD reset signal output O ...

Page 62: ...ut Sub code Qdata output Muting input H Mute Status signal input Reset signal input L Reset Not use Not use Traverse drive output Not use Spindle motor drive signal Enforced mode output Spindle motor drive signal Servo error signal output Not use Tracking drive output Focus drive output Reference voltage for D A output block Focus balance adjust signal output Tracking balance adjust signal output ...

Page 63: ...in EXT CE Vout VSS XC62ER3602M IC400 Regulator 1 Terminal layout 2 Block diagram 5 4 2 3 1 1 2 3 4 5 Vout NC Vss Vin ON OFF Pin No Symbol Function 1 VSS GND 2 Vin Power supply input 3 ON OFF ON OFF control 4 NC Not use 5 Vout Regulator output 1 Terminal layout 3 Pin function 3 Pin function 2 Block diagram Vout 5 GND 1 Voltage reference Output control Current limit 2 Vin 3 ON OFF Voltage reference ...

Page 64: ...2 PCHK OPEN REST O O O I O I I O I O I I O I I I I I Connect to GND Non connect Synchronization asynchronus system Reday signal input terminal CD emphasis CD track No change CD copy right or wrong Connect to GND Power supply Non connect Non connect Non connect Mute signal input Sub Q data input Non connect Sub Q clock output Reset signal input Not use Command data clock input Command in Status out...

Page 65: ...W JIG JIG JIG JIG Connect to GND Referrence power supply voltage Power supply CD reset signal input Non connect Connect to power supply Not use For flash micon X tal osc output X tal osc input Connect to GND FLAG for C1 error Sub Q block signal output Non connect Reset signal output Status signal input Digital mute signal input Power on signal input Command load signal input Command data input Com...

Page 66: ...19 20 21 22 23 24 25 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 Pin No I O Function Symbol 1 2 3 4 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 28 29 30 31 32 MPROT SSTOP MREF NC Vdd X2 X1 Vss XT2 XT1 RESET MHOM SQSY DQSY XINT CD_EMP CD_CBIT CD_TNO Avdd AVref0 MT0 MT3 MODSEL UART DOUT_SEL DOUT_OFF I I I I O I I I I I I I I Write protect switch input SLED rest...

Page 67: ...H LOAD L EJECT Connect to power supply Clock input from host Data input Data output Serial clock output Not use Not use Not use Not use Not use Not use Sled slectrical Viblation signal Serial data output for EEPROM Serial data input for EEPROM Clock output for EEPROM Chip select for EEPROM Test terminal Not use Test terminal Not use Power ON OFF control signal terminal H Power ON AD power control ...

Page 68: ...da Vssa FLOUT CIN TES XOUT RDS ID READY RDCL RDDA RST MODE Vddd Vssd XIN REFERENCE VOLTAGE ANTI ALIASING FILTER SMOOTHING FILTER CLOCK RECOVERY 1187 5Hz DATA DECODER RAM 128 bits RDS ID DETECT 57kHz BPF SCF Vddd Vdda Vssa MPXIN Vssd RDDA RDCL MODE RST RDS ID READY CLK 4 332MHz OSC XIN XOUT TEST TEST FLOUT VREF VREF CIN PLL 57kHz 5V 5V ...

Page 69: ...NX MD1R NX MD1 VICTOR COMPANY OF JAPAN LIMITED AUDIO COMMUNICATION BUSINESS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi maebashi city 371 8543 Japan 200110 SV No 21041 ...

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