JVC CA-MXDVA9 Service Manual Download Page 73

Page: 73 / 73

200110(V)

VICTOR COMPANY OF JAPAN, LIMITED

AUDIO & COMUNICATION BUSINESS DIVISION

PERSONAL & MOBILE NETWORK BUSINESS UNIT. 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan

(No.21040)

MX-DVA9/MX-DVA9R

Summary of Contents for CA-MXDVA9

Page 1: ... until Toc read Maintenance of laser pickup Replacement of laser pickup Description of major ICs 1 2 1 4 1 5 1 6 1 7 1 28 1 34 1 35 1 35 1 36 B U K EN Northern Europe MX DVA9R Area suffix SP DSC99TN SP DSS99TN SP MXG79 CA MXDVA9 CA MXDVA9R SP MXG79 US Singapore UW Brazil Mexico Peru UJ U S Military UG Turkey South Africa Egypt UN Asean MX DVA9 Area suffix A Australia Center unit Speaker unit CA MX...

Page 2: ...cabinet 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 ...

Page 3: ...rty damage resulting therefrom 3 Essential safety critical components are identified by on the Parts List and by shading on the schematics and must never be replaced by parts other than those listed in the manual Please note however that many electrical and mechanical parts in the product have special safety related characteristics These characteristics are often not evident from visual inspection...

Page 4: ... in your body 1 1 3 Handling the optical 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 next page 2 Do not use a tester to check the condition of the laser diode in the optical pickup The tester s internal po...

Page 5: ...n clothing or the human body Before repairing peripheral elements of the traverse unit or pickup be sure to take the following electrostatic protection 1 Wear an antistatic wrist wrap 2 With a conductive sheet or a steel plate on the workbench on which the traverse unit or the pick up is to be repaired ground the sheet or the plate When you remove the traverse mechanism from the servo control subs...

Page 6: ... and is equipped with safety switches whichprevent emission of radiation when the drawer is open and the safety interlocks have failed or are de feated It is dangerous to defeat the safety switches 5 CAUTION If safety switches malfunction 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 radiat...

Page 7: ...h sides of the body Remove the metal cover from the body by lifting the rear part of the cover 1 2 3 Disassembly method Main body Removing the metal cover See Fig 1 to 3 Do not break the front panel tab fitted to the metal cover CAUTION Fig 1 Fig 2 Fig 3 A A A Metal cover Metal cover B Metal cover B ...

Page 8: ...the inner side of the main board on the right side of the body and remove the DVD mechanism assembly 6 Removing the DVD mechanism assembly See Fig 4 to 7 At this point the two card wires in the lower part of the DVD mechanism assembly is still connected REFERENCE To prevent damage to the DVD fitting be sure to pull both the rear panel and the front panel assembly enough to remove the DVD changer m...

Page 9: ...ng the main board to the front assembly on the right side of the body Remove the two screws E on the bottom of the body Release the two joints a on the lower right and left sides of the body using a screwdriver and remove the front panel assembly toward the front 1 2 3 4 5 6 Removing the front panel assembly See Fig 8 to 12 Fig 8 Fig 9 Wire clamp Power amplifier board 2 CN703 Main board CN500 CN50...

Page 10: ...ch tab of the four joints b in the direction of the arrow and release Remove the fourteen A B EN or sixteen US UJ UG UN UW screws F attaching the rear panel Disengage the joints c on each lower side of the rear panel using a screwdriver and remove the rear panel backward 1 2 3 4 Removing the rear cover rear panel See Fig 15 to 17 When reassembling connect the earth terminal which is extending from...

Page 11: ...ard Disconnect connector CN530 and CN531 in the lower part of the main board from the regulator board upward 1 2 3 Removing the main board See Fig 18 and 19 Prior to performing the following procedure remove the metal cover the DVD changer mechanism assembly and the rear panel Disconnect connector CN287 on the speaker board from the regulator board 1 Removing the speaker board See Fig 20 It is not...

Page 12: ...ire from connector CN513 on the main board Remove the two wire clamps fixing the wire on the analog output board Disconnect the wire extending from the fan from connector CN705 on the power amplifier board 2 Disconnect connector CN370 only US UJ UG UN UW CN371 on the analog output board from the main board Disconnect connector CN372 and CN373 on the analog output board from the power amplifier boa...

Page 13: ...er board 2 from the regulator board upward The heat sink is detached with the power amplifier board 1 and the power amplifier board 2 Remove the four screws J attaching the power amplifier board 1 to the heat sink Remove the four screws K attaching the power amplifier board 2 to the heat sink 1 2 3 4 5 6 Removing the power amplifier board 1 power amplifier board 2 heat sink See Fig 25 to 27 Fig 25...

Page 14: ...emoving the power transformer assembly See Fig 28 and 29 Prior to performing the following procedure remove the metal cover the DVD changer mechanism assembly the rear panel the antenna board the main board the analog output board the power board the power amplifier board 1 the power amplifier board 2 and the speaker board Disconnect the wire from connector CN204 on the regulator board Remove the ...

Page 15: ...Disconnect the card wires from connector CN316 and CN881 on the display system control board Remove the six screws P attaching the display system control board If necessary disconnect the wire from connector CN870 on the front side of the display system control board and unsolder FW915 1 2 3 4 Removing the display system control board See Fig 32 to 34 Fig 31 Head amplifier mechanism control board ...

Page 16: ... Pull out the volume knob on the front panel and remove the nut Pull out the surround mode knob and the surround woofer level knob toward the front Pull out the mic level knob toward the front only US UJ UG UN UW Remove the eleven A B EN or thirteen US UJ UG UN UW screws S attaching the operation switch board Release each tab of the seven joints g retaining the 1 2 3 Removing the operation switch ...

Page 17: ...er speaker 1 2 Removing the squawker speaker See Fig 2 Prior to performing the following procedure remove the side cover Pull out the saran net toward the front while disengaging the four joints a Remove the two screws C and D respectively Remove the front cover toward the front and disconnect the yellow and black wires from the two tweeter speaker terminals 1 2 3 Removing the front cover See Fig ...

Page 18: ...nnect the wire yellow and black blue and black from the two speaker terminals 1 2 Removing the woofer speaker See Fig 6 Prior to performing the following procedure remove the side cover and the front cover Remove the two screws F attaching the tweeter speaker on the back of the front cover 1 Removing the tweeter speaker See Fig 7 Fig 5 Fig 6 Fig 7 Woofer speaker E Tweeter speaker E Tweeter speaker...

Page 19: ...move the DVD Servo control board Remove the screw 2 retaining the Disc stopper See Fig 3 Remove the three screws 3 retaining the T bracket See Fig 3 From the clamper base section C remove both of the edges fixing the rod See Fig 2 and 3 Remove the screw 4 retaining the clamper assembly See Fig 3 From the left side face of the chassis assembly remove the one screw 5 retaining both of the return spr...

Page 20: ... 8 13 14 15 Manually turn the motor pulley in the clockwise direction until the lifter unit stopper is lowered from the section E of DVD tray assembly See Fig 8 Pull out all of the three stages of DVD tray assembly in the arrow direction F until these stages stop See Fig 6 At the position where the DVD tray assembly has stoppend pull out the DVD tray assembly while pressing the two pawls G and G o...

Page 21: ... See Fig 11 and 12 1 2 For dismounting only the DVD machanism without removing the DVD mechanism assembly align the shaft J of the DVD mechanism assembly to the position shown Fig 11 while turning the cam R1 and R2 assembly in the arrow direction K By raising the DVD mechanism assembly in the arrow direction L remove the assembly from the lifter unit See Fig 12 Fig 10 Fig 12 Fig 11 6 Cams R1 R2 as...

Page 22: ...am gear L align the pawl N position of the drive unit to the notch position Fig 15 on the cam gear L Pull out the drive unit and cylinder gear See Fig 17 While turning the cam gear L align the pawl O position of the select lever to the notch position Fig 18 on the cam gear L Remove the four screws 9 retaining the cam unit cam gear L and cams R1 R2 assembly See Fig 18 Fig 14 Fig 16 Fig 15 Fig 18 Fi...

Page 23: ...acket in the arrow direction remove the gear bracket See Fig 19 From the notch Q section on the chassis assembly fixing the edge of gear bracket remove and take out the gear bracket See Fig 20 Remove the belts respectively from the right and left actuator motor pulleys and pulley gears See Fig 19 After turning over the chassis assembly remove the actuator motor while spreading the four pawls R fix...

Page 24: ...nd cam gear L See Fig 23 1 2 3 4 Remove the slit washer fixing the cams R1 and R2 assembly By removing the two pawls S fixing the cam R1 separate R2 from R1 Remove the slit washer fixing the cam gear L Pull out the cam gear L from the C G base assembly Removing the C G base assembly See Fig 23 and 24 Remove the three screws 11 retaining the C G base assembly Fig 24 11 Slit washer Pawl Cam R2 Slit ...

Page 25: ...g azimuth screw retaining the playback head 8 Take out the playback head from the front of the head mount 9 The recording and eraser heads should also be removed similarly according to Steps 1 8 above Reassembling the Playback Recording and Eraser Heads See Fig 2 3 1 Reassemble the playback head from the front of the head mount to the position as shown in Fig 3 2 Fix the reversing azimuth screw 3 ...

Page 26: ...ing the Capstan Motor Assembly 1 Remove the six screws B retaining capstan motor assembly See Fig 5 2 While raising the capstan motor remove the capstan belts A and B respectively from the motor pulley See Fig 6 Caution 1 Be sure to handle the capstan belts so carefully that these belts will not be stained by grease and other foreign matter Moreover these belts should be hand while referring to th...

Page 27: ... b fixing the capstan shafts R and L and pull out the flywheels R and L respectively from behind the cassette mechanism Removing the Reel Pulse P C Board and Solenoid See Fig 11 1 Remove the five pawls c d e f g retaining the reel pulse P C Board 2 From the surface of the reel pulse P C Board parts remove the two pawls h and i retaining the solenoid Capstan motor Joint bracket Flywheel R Flywheel ...

Page 28: ...ge A B EN AM 522kHz 1629kHz FM 87 5MHz 108MHz US UJ UG UN UW AM 531kHz 1602kHz FM 87 5MHz 108MHz Standard measurement positions of volume and switch Power Standby Light STANDBY Indicator Sub woofer VOL Minimum Sound mode OFF Main VOL 0 Minimum Traverse mecha set position Disc 1 Mic MIX VOL MAX ECHO OFF Precautions for measurement 1 Apply 30pF and 33kohm to the IF sweeper output side and 0 082 F an...

Page 29: ... UT 4U E A EE 1 1 2 3 3 4 2 4 5 TEST MODE FOR DVD a INITIALISE THE DVD UNIT BOARD Adjustment Jig setup 1 Remove the rubber cushion from each of the four corners of the traverse mechanism When installing be sure not to make a mistake with the cushion colors 2 Install the jig stud 3 Make a jig clamp Remove the clamp from the set and assemble it as shown in the diagram below Note How to handle the pi...

Page 30: ...ton simultaneously The DISC no is displayed on the FL indicator 2 Press the 3D PHONIC key button of remote controller to commence initialization 3 When the key PLAY is pressed the jitter value is displayed 4 Adjust the jitter value to minimum by using the adjust screw a Turn the adjustment screw A and B clockwise half b Return the adjustment screw A and B to former position c Turn the adjustment s...

Page 31: ...m section Back side Cassette Mechanism Unit Section Head azimuth adjusting screw Forward side Head azimuth adjusting screw Reverse side Head azimuth adjusting screw Forward side Head azimuth adjusting screw Reverse side Playback head Playback recording and eraser heads or playback head Tape speed ADJ Bias ADJ L Bias ADJ R ...

Page 32: ...rder section Items Measurement conditions Measurement method Standard values Adjusting positions After setting to the double speed motor confirm that the frequency counter reading becomes 4 800 400 300Hz when the test tape VT712 3kHz has been play back with the playback mechanism When the test tape VT712 3kHz has been played back with the playback mechanism or recording and playback mechanism at t...

Page 33: ... terminal Both recording and headphone terminals Reference frequency 1kHz and 10kHz REF 20dB Test tape TYP AC 225 Measurement input terminal OSC IN AC 225 4 20 A Output deviation between 1kHz and 10kH 1dB 2dB LcH VR101 RcH VR201 LcH VR101 RcH VR201 Electrical performance Items Measurement conditions Measurement method Standard values Adjusting positions 1 While changing over to and from BIAS 1 and...

Page 34: ...shes Automatic measurement of TE amplitude and automatic tuning of TE balance 500mv div 2ms div Fig 1 Approx 3sec pin 25 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 is 0V as a accelerated pulse during approx 400ms Confirm the waveform o...

Page 35: ... life of the laser diode 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 PC board The semi fixed resistor on the APC printed circuit board which is attached to the pickup is used to adjust the laser power Since this adjustment sho...

Page 36: ...84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ADSCEN VDD FEPEN SLEEP BUSY REQ CIRCEN VSS EPCS EPSK DPDI EPDO VDD SCLKO S2UDT U2SDT CPSCK SDIN SDOUT NMI ADSCIRQ ODCIRQ DECIRQ WAKEUP ODCIRQ2 ADSEP RST VDD TEST1 TEST2 TEST3 TEST4 TEST5 TEST6 TEST7 TEST8 VSS D0 D1 D2 D3 D4 D5 D6 D7 Serial enable signal for ADSC Power supply Serial enable signal for FEP Standby signal for FEP Communication busy C...

Page 37: ...42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 RFDIFO RFOUT VCC3 RFC DCRF OFTR BDO RFENV BOTTOM PEAK AGCG AGCO TESTSG RFINP RFINN VIN5 VIN6 VIN7 VIN8 VIN9 VIN10 VCC1 VREF1 VIN1 VIN2 VIN3 VIN4 GND1 VIN11 VIN12 HDTYPE O O O O O O I I I I I I I I I O I I I I I I Power supply terminal 5V All addition amplifier capacitor terminal OFTR output terminal RF envelope output terminal Bo...

Page 38: ...o ground Key input power NTSC PAL switch input Un used Un used Key input S831 S835 Key input open close Un used Un used Power supply B 5V RGB select control H RGB L other Reset input AV COMPULINK output AV COMPULINK input Power ON output Tray close control output Tray open control output Tray muting output L muting Detection switch of tray open close L open close Detection switch of traverse mecha...

Page 39: ...9 CPUADR8 CPUADR7 CPUADR6 CPUADR5 CPUADR4 CPUADR3 CPUADR2 CPUADR1 VSS CPUADR0 NCS NWR NRD VDD CPUDT7 CPUDT6 PVPPDRAM PTESTDRAM PVDDDRAM PVSSDRAM CPUDT5 CPUDT4 CPUDT3 VSS CPUDT2 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 DMARQ NIOWR VSS NIORD IORDY NDMACK VDD INTRQ NIOCS16 DA1 VSS NPDIAG DA0 DA2 VDD...

Page 40: ...I Data Power supply 3V ATAPI Data ATAPI Data ATAPI Data Connect to GND ATAPI Data Power supply 2 7V ATAPI Data ATAPI Data ATAPI Data ATAPI Data Power supply 3V ATAPI Data ATAPI Data Connect to GND ATAPI Data ATAPI Data ATAPI Data ATAPI Reset input ATAPI Master slave select Interruption of system control 0 Interruption of system control 1 Wait control of system control Reset of system control Conne...

Page 41: ...ontrol address System control chip select Writing system control Reading system control Power supply 3V System control data System control data Connect to VSS Connect to VSS Connect to VDD 2 7V Connect to VSS System control data System control data System control data Connect to GND System control data System control data System control data Clock signal output 16 9 11 2 8 45MHz Power supply 3V Mi...

Page 42: ...from disc Going side by side output from ADSC Data is read from disc Going side by side output from ADSC Data is read from disc Going side by side output from ADSC Data is read from disc Going side by side output from ADSC Power supply 3V Debug serial clock 270 ohm pull up Debug serial data 270 ohm pull up Internal good title monitor Connect to TP150 Internal good title monitor Connect to TP151 In...

Page 43: ...s 25 CPURST O Unit microcomputer reset 26 REQ I Commnication between unit microcomputers REQ 27 REMO I Remote control interrruption 28 TEST1 Test terminal 29 TEST2 Test terminal 30 TEST3 Test terminal 31 DVDCS I Chip select for DVD 32 NC No connect 33 DVDRST I DVD reset 34 NC No connect 35 DACS2 I O Serial bus S2 for DAC 36 DACS3 I O Serial bus S3 for DAC 37 NC No connect 38 NC No connect 39 FS2 I...

Page 44: ...l 66 NC No connect 67 NC No connect 68 NC No connect 69 NC No connect 70 NC No connect 71 NC No connect 72 NC No connect 73 NC No connect 74 NC No connect 75 NC No connect 76 NC No connect 77 AVCI I Power supply 78 AVCO I O AV compu link signal I O port 79 RGB I RGB signal in 80 STD IND O Standby LED output 81 MPX1 I MPX1 signal input 82 MPX2 I MPX2 signal input 83 SRELAY O S Relay control 84 MREL...

Page 45: ... Power supply 3 3V Video data bus output Byte serial CbYCrY data synchronous with VCLK Video data bus output Byte serial CbYCrY data synchronous with VCLK Video data bus output Byte serial CbYCrY data synchronous with VCLK Video data bus output Byte serial CbYCrY data synchronous with VCLK Video data bus output Byte serial CbYCrY data synchronous with VCLK Video data bus output Byte serial CbYCrY ...

Page 46: ...connect Non connect Non connect Programmable I O terminal Connect to ground Power supply terminal 3 3V Programmable I O terminal Programmable I O terminal Programmable I O terminal Programmable I O terminal Programmable I O terminal Programmable I O terminal Programmable I O terminal SDRAM data SDRAM data Power supply terminal 3 3V Connect to ground SDRAM data SDRAM data SDRAM data SDRAM data SDRA...

Page 47: ...SDRAM SDRAM bank select SDRAM address SDRAM address Power supply terminal 3 3V Connect to ground SDRAM address SDRAM address SDRAM address Tie to VSS or VDD_3 3 as specified in table1 Non connect Non connect Tie to VSS or VDD_3 3 as specified in table1 Non connect Tie to VSS or VDD_3 3 as specified in table1 Tie to VSS or VDD_3 3 as specified in table1 Tie to VSS or VDD_3 3 as specified in table1 ...

Page 48: ...o DAC video output format Macrovision encoded Power supply terminal for analog video DAC Power supply terminal for analog video Non connect Connect to ground for analog video DAC Connect to ground for analog video DAC video output format Macrovision encoded Power supply terminal for analog video DAC Power supply terminal for analog video Connect to ground for analog video Reference resistor Connec...

Page 49: ...face registers Host addressbus 3 bit address bus selects one of eight host interface registers Tie to VSS or VDD_3 3 as specified in table 1 Tie to VSS or VDD_3 3 as specified in table 1 Tie to VSS or VDD_3 3 as specified in table 1 Connect to ground Power supply terminal 2 5V Tie to VSS or VDD_3 3 as specified in table 1 Connect to ground Power supply terminal 3 3V Tie to VSS or VDD_3 3 as specif...

Page 50: ...t output Data input output Power supply Power supply Data input output Data input output Colum address strobe Data input output mask Write enable Data input output Data input output Connect to GND Connect to GND Bank select adress Address input Address input Address input Address input Address input Row addres strobe Chip select Pin No Symbol Function 35 36 37 38 39 40 41 42 43 26 27 28 29 30 31 3...

Page 51: ...8 57 56 55 54 53 52 51 MN67706ZY MN67706ZY IC201 Auto digital servo controller 1 Terminal layout Pin No Symbol I O Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 AS AD2 TE AD1 FE AD0 AVDD FODRV DA1 TRDRV DA0 AVSS ARF NARF IREF1 IREF2 DSLF1 DSLF2 AVDD VHALF PLPG PLFG VREFH RVI AVSS PLFLT1 PLFLT2 JITOUT RFDIF CSLFL1 AS Full adder signal FEP Phase difference 3 beam trackin...

Page 52: ...204 Analog audio right output Ground For analog circuit Tangential balance adjust FEP Tracking balance adjust FEP Focus balance adjust FEP Ground For I O Apply 3 3V For I O Off track signal 16 9344MHz system clock input ODC Drop out FEP Calibration signal FEP Traverse drive DRVIC Spindle drive output DRVIC FG signal input Spindle motor driver Connect to TP205 Connect to TP206 Connect to TP207 Grou...

Page 53: ... DSC serial I F chip select System control CIRC serial I F chip select System control Interrupt request System control Syscon serial I F clock System control Syscon serial I F data input System control Syscon serial I F data output System control Connect to TP226 Monitor terminal A Connect to TP225 Monitor terminal A Connect to TP224 Monitor terminal A Connect to TP211 Ground For internal core App...

Page 54: ...lifier input 2 CH2 Playback amplifier input 2 CH1 Playback amplifier negative feedback CH2 Playback amplifier negative feedback CH1 Playback amplifier output CH2 Playback amplifier output I I I I I I O O O I O O O O I I I O O I CH1 Equalizer input CH2 Equalizer input Pre amplifier input control time constant Pre amplifier input control CH1 Recoding amplifier input CH2 Recoding amplifier input CH1 ...

Page 55: ...UFFER 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 besides 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 ...

Page 56: ...nput 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 lowpassfilt...

Page 57: ... output Not used Input signal connections not used Input signal connections Input signal connections Connect to GND Connect to GND DI CE VSS TEST LOUT LBASS2 LBASS1 LTRE LIN LSEL0 L4 L3 L2 L1 NC NC 17 18 19 20 21 22 23 24 25 26 27 28 29 30 R1 R2 R3 R4 RSEL0 RIN RTRE RBASS1 RBASS2 ROUT NC VREF VDD CL Pin No Pin No Symbol Symbol Function Input signal connections Input signal connections Input signal...

Page 58: ...T LSB LBASS2 LBASS1 LTRE LIN LSEL0 NC AUXL TUL PBL DVDL 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 VREF DVDR PBR TUR AUXR NC RSEL0 RIN RTRE RBASS1 RBASS2 RSB ROUT NC RINM ROPOUT VDD CL Pin No Pin No Symbol Symbol Function 0 5 X VDD voltage genration block for analog ground DVD Rch signal input pin Playback Rch signal input pin Tuner Rch signal input pin Aux Rch signal input pin No conne...

Page 59: ... communicated data Amp control data Control signal enable Analog signal input L Analog signal input R N C N C Reverse signal output Reverse signal input DC output External terminal for low pass filter Reference voltage Analog signal output R Analog signal output L External terminal for D A DC output External terminal for A D External terminal for A D External terminal for oscillator External termi...

Page 60: ...UT1 VM1 VM1 GND VM2 VM2 OUT2 GND IN2 IN2 MUTE1 MUTE2 SS GND VREF VERFO Vm2 IN3 IN3 OUT3 CH3IN IN1 IN1 OUT1 VM1 VM1 VM2 VM2 OUT2 VREF0 VREF REGB REG IN2 IN2 VM3 VM3 VM4 VM4 IN4 IN4 OUT4 VM5 VM5 IN5 IN5 OUT5 E5 E4 E3 VBS2 VBS2 VBS2 VBS2 VBS2 VBS2 CH5 X8 CH4 X8 CH3 X8 VBS1 VBS2 R R R R Vrefm1 Vrefm2 Vm1 Vm2 VREF0 Hi Sleep SLEEP BIAS VBS1 Low Open MUTE ON 1 4 CH 5CH TSD GND 4PIN MUTE1 MUTE2 SS GND 1 2...

Page 61: ...ND Power supply Power supply Connect to GND Connect to GND Connect to GND Power supply D 5V DIN 26 M8 27 M4 28 M6 Power supply I I I I I I O O O O I I I I I Analog output 2 Control signal for DAC Digital data input L and R clock for DAC Bit clock for DAC Control signal for DAC No connect Clock for control signal Control signal for DAC Control signal for DAC Analog output 1 Control signal for DAC A...

Page 62: ...t I I O O O O I O Mode switch Data output Data output Data output address input Connect to GND I O I I I I I I I I I Power supply Address input Address input Address input Address input Address input Address input Address input Address input O O O O O O O Address input Address input Address input Address input Address input Address input Address input Data output Data output Data output Data outpu...

Page 63: ...BA3126N IC301 R P Switch R E C S W G 1 2 3 4 5 6 7 8 9 P B S W P B S W G R E C S W C O N T G N D V c c NAX0393 001 IC502 27MHz Oscilator 1 Terminal layout 4 3 1 2 VDD D NC GND 2 Block diagram Q19 Q17 Q16 OTHER CH R9 R6 R8 R7 R5 R4 R3 R2 R1 D1 C1 Q18 Q13 Q11 Q8 Q5 Vcc VEE OUTPUT IN IN Q1 Q3 Q4 Q2 C2 Q9 Q6 Q7 Q10 Q12 Q14 Q15 Q114 ...

Page 64: ... BIASC VREFC RREF NC NC DIFOUT CIN AIN VCC A B SEL NC NC TEST AOUT GND Connection for decoupplig capacitor that from reference voltage linar section Connection for decoupplig capacitor that from reference voltage logic section Connection for reference resistor that from band pass filter fo Non connect Non connect Differntial amplifier output pin Differntial amplifier input pin2 Differntial amplifi...

Page 65: ...THES 8 STAGE SHIFT REGISTER SERIAL OUTPUT PARALLEL OUTPUT Pin No Symbol I O Function 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 VCC MICIN LOUT FK TK LIN BIAS GND RIN LPF1 LPF2 LPF3 ROUT CTRLA CTRLB CTRLC Power supply Microphone mixing input Channel L output Accepts signal from the key controller Output signal to the key controller Channel L input Signal bias Connect to GND Channel R input Connects to ...

Page 66: ... 8 7 6 5 NC VCC CS SK NC GND DO DI 2 Pin Functions BR93LC66F X or AK93C65AF X IC403 EEPROM 1 Terminal layout Symbol VCC GND CS SK DI DO I O I I I O Power supply Connect to GND Chip select input Serial clock input Start bit OP code address serial data input Serial data output Internal state display output of READY BUSY Function INSTRUCTION REGISTER INSTRUCTION DECODE CONTROL AND CLOCK GENERATION AD...

Page 67: ... 3 2 7 5 4 6 TR1 TR2 R1 TR3 C1 TR4 TR5 R2 D1 R6 TR7 R7 C2 R4 R5 TR3 TR8 TR10 TR19 TR18 TR20 R13 D12 TR16 C12 R14 R15 R16 TR17 R17 TR12 C11 TR14 TR11 R11 TR13 TR15 R12 TR41 D41 R41 Compartor D42 D43 SUB Compartor D51 TR51 R51 D53 D52 D2 R3 TG6 STK402 050 1 15 ch 1 ch 2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 IN ch 1 NF ch 1 N C Vcc Pre BIAS Vcc Pre NF IN SUB ch 1 VE ch 1 VE Vcc ch 2 VE ch 2 VE Vcc SUB ...

Page 68: ...5FU X IC412 Buffer 1 Terminal layout 2 Block daiagram STK402 230 1 19 SUB R2 TR3 TR1 R1 TR4 C1 R3 TR2 R4 D1 R5 TR5 TR6 R7 TR8 TR7 R6 TR9 TR10 R8 TR11 TR13 R12 TR12 R11 C2 TR14 R13 R20 TR15 TR16 R14 TR23 TR21 C3 R15 TR17 TR18 TR19 R17 TR20 R16 R21 TR24 TR22 R18 R19 R9 R10 4 1 2 8 Vcc 12 5 9 7 6 10 14 15 16 17 19 18 11 CH1 VE CH1 VE CH2 VE CH2NF CH2IN CH3IN CH3NF CH3 VE CH3 VE CH2 VE 13 PRE Vcc CH1I...

Page 69: ...A 3Y TC74VHC00FT X IC322 IC503 Write timing control 1 Terminal layout Block diagram 1G 1 1A 2 1Y 3 2G 4 2A 5 2Y 6 GND 7 14 Vcc 13 4G 12 4A 11 4Y 10 3G 9 3A 8 3Y INPUTS OUTPUTS G H L L A X L H Y Z L H TC74VHC125FT X IC411 Buffer 1 Pin layout block diagram 2 Truth table X Don t care Z High impedance 1 Terminal layout TC7SH32FU X IC312 2 Input Single OR Gate 1 5 4 2 3 Vcc Y A B GND ...

Page 70: ...A7805API T IC330 Regulator 1 Terminal layout 1 Terminal layout Block diagram 2 1 2 3 1 2 3 INPUT OUTPUT GND 2 Block diagram 1 Terminal layout NJM78M09FA NJM78M12FA IC270 IC271 Regulator 1 INPUT 2 GND 3 OUTPUT 1 VCC 2 GND 3 OUTPUT 1 2 3 1 VCC 2 GND 3 OUT ...

Page 71: ... ADINT OUT ADINT IN VCC NC2 MUTE CR Connect GND Echo level control Non connect Analog part DC bias DA side integrator input DA side integrator output DA side LPF input DAside LPF output Mix AMP output for original tone echo tone Mix AMP input pin for original tone AD side LPF input AD side LPF output AD side integrator output AD side integrator input Power supply Non connect Mute control signal in...

Page 72: ...T 1 VR IN1 IN1 0 1 0 1 IN2 0 0 1 1 OUT1 H L L OUT2 L H L MOTOR STOP CW CCW CCW CW BRAKE INPUT OUTPUT MODE TA8409S IC802 IC803 Motor driver 1 Pin layout 2 Pin function GND B P F VCC Vout Amp Limiter Integrator Comparator Demodulator GP1U271X IC951 Receiver for remote controller ...

Page 73: ...200110 V VICTOR COMPANY OF JAPAN LIMITED AUDIO COMUNICATION BUSINESS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan No 21040 MX DVA9 MX DVA9R ...

Search results

Summary of Contents for CA-MXDVA9

Reviews:

Related manuals for CA-MXDVA9

Brands by name

Popular brands

JVC CA-MXDVA9, Service Manual

Search results

Summary of Contents for CA-MXDVA9

Reviews:

Related manuals for CA-MXDVA9

Brands by name

Popular brands