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UX-Z7MDR

1-26 (No.22042)

2.4.5 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.

• Prior to performing the following procedure, remove the main

board, the mechanism cover, the head lifter and the head as-
sembly.

(1) Remove the three screws

D

on the upper side of the body.

(2) Move the loading assembly forward to disengage it from

the traverse mechanism assembly (Joint

d

). Then remove

it upward.

(3) Remove the traverse mechanism assembly from the single

flame.

Fig.8

Fig.9

D

Loading assembly

Joint d

D

D

Loading assembly

Traverse mechanism

assembly

Single flame

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Содержание UX-Z7MDR

Страница 1: ...APAN LTD No 22042 2003 02 UX Z7MDR MICRO COMPONENT MD SYSTEM 22042 2003 02 UX Z7MDR TABLE OF CONTENTS 1 Important Safety Precautions 1 2 2 Disassembly Method 1 5 3 Adjustment method 1 37 4 Description of major ICs 1 44 Area Suffix E Continental Europe ...

Страница 2: ...exposed metal parts of the product antenna terminals knobs metal 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 ...

Страница 3: ...o check the condition of the laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 6 Handling the traverse unit optical pickup 1 Do not subject the traverse unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific detai...

Страница 4: ... enough caution not to see the beam directly or touch it in case of anadjustment or operation check VARNING Osynlig laserstrålning är denna del är öppnad och spårren är urkopplad Betrakta ej strålen VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymät tömälle lasersäteilylle Älä katso säteeseen ADVARSEL Usynlig laserstråling ved åbning når sikkerhedsafbrydere er ude af funktion Undgå...

Страница 5: ...of the main body that attach the metal cover 2 Remove the two screws B on each side of the main body that attach the metal cover 3 Lift the rear part of the metal cover upward while releasing the lower sides of the metal cover in the right and left direc tion The metal cover will be removed Fig 1 Fig 2 Fig 3 A A A Matal cover Matal cover B Matal cover B ...

Страница 6: ... body 2 Remove the three screws C on top of the body that attach the CD mechanism assembly 3 Lift the CD mechanism assembly upward and move it backward to remove 4 Remove the card wire from CN606 on CD servo board on the bottom of the CD mechanism assembly Fig 4 Fig 5 Fig 6 Fig 7 CD mechanism ass y Amp board CN302 C C C Amp board CN302 CD mechanism ass y CD mechanism ass y CD mechanism ass y CD se...

Страница 7: ...respectively 4 Remove the card wire from the connector CN452 on FL connection board on top of the main body 5 Remove the two screws D on the right and left sides of the main body that attach the front panel assembly 6 Remove the two screws E on the bottom of the main body that attach the front panel assembly 7 Remove the joint a on the bottom of the main body and the joint b on the right and left ...

Страница 8: ...ear cover Fig 13 2 1 6 Removing the fan See Fig 14 to 16 Prior to this procedure remove the metal cover the CD mech anism assembly and the rear cover 1 Remove the wire from the connector CN603 on the MD connect board in the right side of the main body 2 Remove the four screws H on the rear side of the main body that attach the fan 3 Move the fan bracket that attaches the fan from inside the rear p...

Страница 9: ...03 on MD con nect board on the right side of the main body 2 Remove the eight screws F on the rear side of the main body that attach the rear panel 3 Remove the two joint f on the right and left bottom of the rear panel Notice The fan assembly will be kept attached to the rear panel Fig 17 Fig 18 Fig 19 Fig 20 Rear panel MD connect doard CN603 Rear panel F F F F F Rear panel joint f joint f Rear p...

Страница 10: ... assembly upward Fig 21 Fig 22 2 1 9 Removing the headphone board See Fig 23 and 24 Prior to this procedure remove the metal cover the CD mech anism assembly and the rear cover 1 Remove the wire from the connector CN101 on the amp board on the left side of the main body 2 Remove the band that fixes the wire to the amp board Re move the wire from the two clamps in the bottom chassis 3 Remove the sc...

Страница 11: ... g that fix the bottom chassis Notice The heat sink will be kept attached to the amp board The heat sink can be removed without removing the amp board 4 Remove the three screws K that attach the heat sink Fig 25 Fig 26 2 1 11 Removing the MD connect board See Fig 27 Prior to this procedure remove the metal cover the CD mech anism assembly and the rear cover 1 Remove the card wire from the connecto...

Страница 12: ...Remove the wire from the micon board connector CN707 in the center of the right side of the main body Remove the card wire from the connector CN708 2 Remove the screw M on top of the main body that attaches the MD base chassis Notice The MD mechanism assembly will be kept attached to the MD base chassis 3 Remove the two screws N that attach the micon board Re move the two joint h that fix the MD b...

Страница 13: ...our screws O on top of the main body that at tach the power trans assembly Remove the wire from the two clamps on the bottom chassis Fig 31 Fig 32 2 2 Front panel assembly Prior to this procedure remove the metal cover the CD mech anism assembly and the front panel assembly 2 2 1 Removing the cassette mechanism assembly See Fig 33 and 34 1 Remove the spring that is attached to the cassette door fr...

Страница 14: ...nism as sembly 1 Pull out the volume knob in the front side of the front panel to remove 2 Remove the five screws Q that attach the bracket 1 from inside the front panel 3 Remove the ten screws R that attach the key board Fig 35 Fig 36 Fig 37 Front panel assembly Volume knob Bracket 1 Q Q Q Front panel R R R R Key boad ...

Страница 15: ...ull out the FL connection board to remove 2 2 4 Removing the drive motor assembly See Fig 38 39 and 41 1 Remove the three screws S and the screw T that attach the bracket 2 from inside the front panel 2 Remove the screw U that attaches the drive motor assem bly Remove the tab in joint j that fixes the front panel Pull out the drive motor assembly to remove Fig 38 Fig 39 Fig 40 Fig 41 S S FL connec...

Страница 16: ...and 44 Prior to this procedure remove the bracket 2 the drive motor assembly 1 Remove the card wire from the connector CN451 on FL connection board 2 Remove the joint k by releasing it outward And then re move the joint l in the same way 3 Remove the screw W that attaches the switch board Re move the tab on the joint m that fixes the front panel Fig 43 Fig 44 Belt Drive motor V FL connect board CN...

Страница 17: ...ll out the FL panel from the bosses of the four joint n on the FL display cover 3 Remove the four screws Y that attach the FL display cover Remove the card wire from the connector CN671 and CN 672 on the FL connect board inside the FL display cover Fig 45 Fig 46 Fig 47 Fig 48 X X Case cover FL panel joint n joint n Y Y FL cover FL connect board CN671 CN672 FL cover ...

Страница 18: ...l be detached from the FL display Fig 49 Fig 50 2 2 8 Removing the FL connect board See Fig 51 Prior to this procedure remove the FL display cover 1 Remove the card wire from the connector CN673 on the FL connect board 2 Remove the two screws Z that attach the FL connect board Fig 51 FL FL cover Z Z FL FL board Lens FL connect board CN673 Z Z ...

Страница 19: ...When drawing out the tray shift down the TRAMECHA assembly to the position where the tray does not contact the T T assembly of the TRAMECHA assembly 4 Draw out the tray frontwards for removing it Note When reinstalling the tray Turn the idle gear so that the part b of the tray gear is positioned in the part c shown in Fig 4 Eject position Engage the right and left hooks d and e of the tray with th...

Страница 20: ...B fastening the TRAMECHA assembly and then remove the TRAMECHA assembly upwards from the front side 3 At the same time remove the spring from the groove of the CH base assembly in the part g of the TRAMECHA as sembly Note When reinstalling the TRAMECHA assembly Check to see if the spring is properly engaged with groove of the CH base assembly in the part g of the TRAMECHA assembly After making sur...

Страница 21: ... the mechanism P C board from the back of the mech anism 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 con...

Страница 22: ...row 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 th...

Страница 23: ...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 it to the connector CN601 Note When reinstalling the pickup assembly remove the sol der from the shorting round after connecting the flexible wire coming from the...

Страница 24: ...rt b on the pickup in the body Disconnect the flexible harness from connector CN321 and CN451 on the underside of the main board Then remove the main board Fig 1 Fig 2 2 4 2 Removing the mechanism cover See Fig 3 1 Remove the four screws B on both sides of the body 2 Move the mechanism cover toward the front to disengage the front hook of the mechanism cover from the internal loading assembly Join...

Страница 25: ... the hook of the body Remove the head lifter with the spring 3 If necessary remove the spring from the head lifter Fig 4 5 6 2 4 4 Removing the head assembly See Fig 7 1 Remove the screw C on the upper side of the body Remove the head assembly while pulling the flexible har ness from the body Fig 7 Fig 4 Fig 5 Fig 6 Head lifter Spring Spring Head lifter Head lifter C Head assembly ...

Страница 26: ...he following procedure remove the main board the mechanism cover the head lifter and the head as sembly 1 Remove the three screws D on the upper side of the body 2 Move the loading assembly forward to disengage it from the traverse mechanism assembly Joint d Then remove it upward 3 Remove the traverse mechanism assembly from the single flame Fig 8 Fig 9 D Loading assembly Joint d D D Loading assem...

Страница 27: ... Disconnect the harnesses from the wire holder and from connector CN612 on the cam switch board 2 Remove the screw F attaching the loading motor and re lease the joint f 3 Remove the belt from the loading motor assembly 4 Remove the two screws G attaching the loading motor 2 4 7 2 Removing the cam gear and the cam switch board See Fig 12 1 Remove the slit washer attaching the cam gear and pull out...

Страница 28: ...ee Fig 14 and 15 Prior to performing the following procedure remove the car tridge holder assembly 1 Remove the slide bar upward 2 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 Fig 15 I I Slide bar Eject bar Part g Cartridge holder assembly Eject bar I Slide bar Cartridge holder assembly Eject...

Страница 29: ...he shaft holder F 2 Move the shaft inward and remove it from the shaft holder R 3 Detach 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 Fig 17 2 4 8 3 Removing the pickup See Fig 18 1 Draw out the shaft from the pickup 2 Remove the two screws K attaching the rack spring Fig 18 Insulators Insulators Pickup unit Trave...

Страница 30: ...d motor assem bly 3 Remove the two screws N attaching the feed motor brack et 2 4 8 5 Removing the traverse mechanism board See Fig 19 Prior to performing procedure remove the feed motor assem bly 1 For the red and black harnesses extending from the spin dle motor unsolder the soldering j on the traverse mecha nism board 2 Remove the screw M attaching the traverse mechanism board Fig 19 Fig 20 M L...

Страница 31: ...the cartridge holder assembly using the two screws I Fig 21 and 22 ATTENTION Make sure the pin of the eject lever marked l is fitted to the slot of the eject bar marked m at the bottom of the loading mech anism 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 Fig 21 Fig 22 I I H H UD base Cam switch board Poi...

Страница 32: ...a slit washer while fitting the cam gear slot to the cam switch boss Fig 23 ATTENTION 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 the hole of the eject bar as shown in Fig 23 7 Reattach the loading motor assembly using the screw F Connect the harness extending from the loading motor to connector ...

Страница 33: ...v of the slide base R to the part w on the in ward side of the cam gear rib Fig 26 Fig 26 10 Reattach the slide base L on the slide base R while fit ting 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 Fig 27 Ref To expedite the work bring up the...

Страница 34: ...retaining the playback recording eraser head 7 Take out the playback recording eraser head from the front of the head mount 8 The playback recoring eraser head should also be re moved similarly according to steps 1 to 7 above 2 5 2 Reassembling the playback recording eraser head See Fig 3 1 Reassemble the playback head from the front of the head mount to the position as shown in Fig 3 2 Fix the re...

Страница 35: ...ve the two screws B retaining the main motor assem bly See Fig 4 and 5 2 While raising the main motor remove the capstan belt from the motor pulley See Fig 5 CAUTION Be sure to handle the capstan belt so carefully that this belt will not be stained by grease and other foreign mat ter Moreover this belt should be hanged while referring to the capstan belt hanging method in Fig 5 and 6 Fig 5 Fig 6 F...

Страница 36: ...d pull out the flywheel R and L respectively from behind the cassette mechanism Fig 8 Fig 9 2 5 6 Removing the reel pulse P C board and solenoid See Fig 10 1 Remove the five pawls a to e reattaining the reel pulse board 2 From the surface of the reel pulse board parts remove the two pawls f and g retaining the solenoid Fig 10 Flywheel R Flywheel L Capstan shaft R Capstan shaft L Slit washer 1 Slit...

Страница 37: ...OWER Press 2 button of remote controller Press STOP button of remote controller Adjust to morthsn 0 68mW or same as 0 68mW Complete the PLAYBACK LASER POWER adjustment Laser power to up by F SKIP button of remote controller Laser power to down by B SKIP button of remote controller Setting the RECORDING LASER POWER Press 4 button of remote controller Press STOP button of remote controller Adjust to...

Страница 38: ...adjust CODE 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E FF Adjustment NG part Not complete the AUTO ADJUSTMENT Rest swith detection Focus ON Pit area EF barance Tr offset adj Pit area ABCD level adj Pit area Focus servo AGC Pit area Tracking servo AGC Pit area Focus bias adj GRV area EF baranee TR offset adj GRV area ABCD level adj GRV area Focus servo AGC GRV area Tracking servo AGC GRV area Foc...

Страница 39: ...PLA PHO 5V MG SOL RRE TAP NC 1 10 CN32 9 1IC31 8 9 IC32 1 16 16 1 8 9 IC33 L301 Q101 Q201 Q305 Q302 B168 C334 B Q375 E Q376 Q371 B E C201 R101 R102 C104 R105 R106 R107 R108 C221 R110 R111 R112 R121 R201 R202 C204 R205 R206 R207 R208 C111 R210 R211 R212 R221 R301 R303 R304 B167 R335 R315 R314 R313 R310 R122 Q103 R305 B151 R371 R375 R376 R372 R338 R337 R341 R342 R343 R339 R336 R331 VR31 VR37 C210 C1...

Страница 40: ... VR37 so that the frequency counter reading becomes 2 940 3 090Hz when play ing back the test tape VT712 3kHz with play back and recording mechanism after ending forward winding of the tape Tape speed of deck 2 940 3 090Hz VR37 Items Measurement conditions Measurement method Standard Values Adjusting positions Difference between the forward and reverse speed Test tape VT712 3kHz Measurement output...

Страница 41: ...2 While repetitively inputting the reference fre quency signal of 1kHz and 10kHz from OSC IN record and playback the rape 3 While recording and playback the test tape in TYPE ll adjust VR31 for Lch and VR32 for Rch so that the output deviation between 1kHz and 10kHz becomes 1dB 2dB Output deviation between 1kHz and 10kHz 1dB 2dB VR31 Items Measurement conditions Measurement method Standard Values ...

Страница 42: ...inishes 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 wavefor...

Страница 43: ...optical block do not touch the semi fixed resistor If the laser power is lower than the specified value the la ser diode is almost worn out and the laser pickup should be replaced If the semi fixed resistor is adjusted while the pickup is functioning normally the laser pickup may be damaged due to excessive current 3 5 Replacement of laser pickup Is the level of RFOUT under 1 25V 0 22Vp p Replace ...

Страница 44: ...alog Input Pin 4 VCMR O Rch Common Voltage Output Pin 0 45xVA 5 VCML O Lch Common Voltage Output Pin 0 45xVA 6 AINL I Lch Analog Input Pin 7 PWAD I ADC Power Down Mode Pin L Power Down 8 PWDA I DAC Power Down Mode Pin L Power Down 9 MCLK I Master Clock Input Pin 10 LRCK I Input Output Channel Clock Pin 11 SCLK I Audio Serial Data Clock Pin 12 SDTO O Audio Serial Data Output Pin 13 DGND Digital Gro...

Страница 45: ...terminal for AGC loop filter capacitor 8 ARF O AGC output terminal 9 CEA I Capacitor connecting terminal for HPF Amp 10 3TOUT O 3 TENV output terminal 11 CBDO I Capacitor connecting terminal for envelope detection on the darkness side 12 BDO O BDO output terminal 13 COFTR I Capacitor connecting terminal for envelope detection on the light side 14 OFTR O OFTR output terminal 15 NRFDET O NRFDET outp...

Страница 46: ...nd 9 Vcc 10 Ripple filter 11 Record Amplifier mute 12 Channel 2 record amplifier output 13 Channel 2 record amplifier input 14 Channel 2 playback amplifier output 15 Channel 2 playback amplifier negative feedback 16 Channel 2 playback amplifier input 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 Pre Pre Pre Pre 30k 30k 112k 60k 60k 112k Mute R R ALC 16 15 14 13 12 11 10 9 VDD STROVE DATA CLOCK Q1 Q2 Q3 Q...

Страница 47: ...1 I O1 2 I O2 3 WE 4 RAS 5 A11 6 A10 8 A0 9 A1 10 A2 11 A3 12 Vcc 13 26 Vss 25 I O4 24 I O3 23 CAS 22 OE 21 A9 19 A8 18 A7 17 A6 16 A5 15 A4 14 Vss Pin No Symbol Function 1 Vcc Power supply 3 3V 2 I O1 Date input output 3 I O2 Date input output 4 WE Read write enable 5 RAS Addres stroke 6 A11 Addres input 7 Not use 8 A10 Address input 9 12 A0 A3 Address input 13 Vcc Power supply 3 3V 14 Vss GND 15...

Страница 48: ... I Muting input H muting 17 STAT O Status signal output 18 LSI_RST I Reset signal input L reset 19 SMCK O Clock signal output MSEL is H 8 4672 MHz MSEL is L 4 2336 MHz 20 CSEL I Oscillation frequency specification terminal H 33 8688 MHz L 16 9344 MHz 21 TEST2 TEST2 terminal usually open 22 TVD O Traverse drive output 23 PC Non connect 24 ECM O Spindle motor drive signal output Compulsion mode outp...

Страница 49: ... Oscillation circuit input terminal f 16 9344 MHz 33 8688 MHz 59 X2 O Oscillation circuit output terminal f 16 9344 MHz 33 8688 MHz 60 VDD Power supply terminal for oscillation circuit 61 BYTCK Non connect 62 LDON O Laser ON signal output H ON 63 GCTRL O General I O port 64 IPFLA Non connect 65 FLAG O Flag signal output 66 CLVS Non connect 67 CRC Non connect 68 DEMPH O De emphasis detection signal...

Страница 50: ...3 VM4 VM4 VM5 VM5 OUT5 IN5 IN5 IN4 IN4 OUT4 GND 1 2 20 21 16 15 13 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...

Страница 51: ... EFM high level output voltage 6 PDGND Pre driver GND 7 EFM I EFM signal input 8 MUTE I Mute control Low active 9 NC O Non conncet 10 NC O Non connect 11 NC Non connect 12 VOD2 O Sync output Lower power MOS drain 13 VSS Hbridge GND Lower power MOS source 14 VOD1 O Sync output Lower power MOS drain 15 VOS1 O Source output Upper power MOS source 16 VDD H bridge power supply terminal Upper power MOSs...

Страница 52: ...P code address serial data input DO O Serial data output Internal state display output of READY BUSY 37 38 PEAK RF 39 RFAGC 40 AGCI 41 COMPO 42 COMPP 43 ADDC 44 OPO 45 OPN 46 RFO 47 MORFI 48 1 2 MORFO 24 23 Vcc 3TADJ 22 EQADJ 21 VREF 20 F0CNT 19 XSTBY 18 XLAT 17 SCLK 16 SWDT 15 TEMP R 14 TEMP I 13 GND I J 3 VC 4 A 5 B 6 C 7 D 8 E 9 F 10 PD 11 APC 12 APCREF 36 35 BOTM ABCD 34 FE 33 AUX 32 ADFG 31 A...

Страница 53: ... setting pin 21 VREF O Reference voltage output 22 EQADJ I O Equalizer center frequency setting pin 23 3TADJ I O BPF3T center frequency setting pin 24 Vcc Power supply 25 WBLADJ I O BPF22 center frequency setting pin 26 TE O Tracking error signal output 27 CSLED Connects the sled error signal LPF capacitor 28 SE O Sled error signal output 29 ADFM O ADIP FM signal output 30 ADIN I ADIP signal compa...

Страница 54: ...RB DTRF CKRF XLRF 77 66 75 74 63 64 65 67 76 68 69 71 72 82 81 80 CLOCK GENERATOR 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 ...

Страница 55: ... XTSL1 command low and XTSL low 1024Fs 45 1584MHz XTSL1 command high 2048Fs 90 3168MHz 19 DIN0 I Digital audio interface signal input 1 20 DIN1 I Digital audio interface signal input 2 21 DOUT O Digital audio interface signal output 22 DATAI I Test pin Connect to GND 23 LRCKI I Test pin Connect to GND 24 XBCKI I Test pin Connect to GND 25 ADDT I Data input from A D converter 26 DADT O REC monitor ...

Страница 56: ...r the upper limit of the A D converter operating range 72 ADRB I Voltage input for the lower limit of the A D converter operating range 73 AVSS Analog ground 74 SE I Sled error signal input 75 TE I Tracking error signal input 76 DCHG I Connect to he low inpedance power supply 77 APC I Error signal input for laser digital APC 78 ADFG I ADIP binary FM signal 22 05 1kHz input 79 F0CNT O CXA2523 curre...

Страница 57: ...VO3 FB3 GND TRIG OC EN1 EN2 EN3 Pin No Symbol Function 1 FB1 REG1 feedback voltage input 2 VO1 REG1 output voltage 3 VINA Input DC supply voltage 4 TRIG Trigger for external SCR crowbar protection 5 OC Over current warning output 6 EN1 REG1 enable input 7 EN2 REG2 enable input 8 GND Analog ground 9 EN3 REG3 enable input 10 FB3 REG3 feedback voltage input 11 VO3 REG3 output voltage 12 N C Not conne...

Страница 58: ...ormer 10 AM SD This is a terminal of AM ceramic filter 11 FM VSM O Adjust FM SD sensitivity 12 AM VSM O Adjust AM SD sensitivity 13 MUTE I O When the signal of IF REQ of IC121 LC72131 appear the signal of FM AM IF output Muting control input 14 FM AM I Change over the FM AM input H FM L AM 15 MONO ST O Stereo H Mono L 16 L OUT O Left channel signal output 17 R OUT O Right channel signal output 18 ...

Страница 59: ...GND Vcc OUTPUT PPIN TO VCC SHORT PROTECTOR LOAD SHORT PROTECTOR OUTPUT PIN TO GND SHORT PROTECTOR Vcc OUTPUT PIN TO GND SHORT PROTECTOR OVER VOLTAGE SURGE PROTECTOR THERMAL SHUT DOWN LOAD SHORT PROTECTOR OUTOUT PIN TO VCC SHORT PROTECTOR POP NOISE PREVENTION CIRCUIT POWER PREDRIVER POWER PREDRIVER POWER PREDRIVER POWER PREDRIVER IN IN BIAS CIRCUIT STANDBY SW RIPPLE FILTER 1 2 3 IN B IN A Vss 5 4 V...

Страница 60: ...ut for 4pin input and 6pin output H 4 DI I Input for receive the serial data from controller 5 CLOCK I Sync signal input use 6 DO O Data output for Controller Output port 7 FM ST VCO O Low MW mode 8 AM FM O Open state after the power on reset 9 LW I O Input output port 10 MW I O Input output port 11 SDIN I O Data input output 12 IFIN I IF counter signal input 13 IFCONT O IF signal output 14 Not us...

Страница 61: ...6 Vo2 BTL AMP 1 input pin Inverting side 7 Vo3 BTL AMP 2 input pin Inverting side 8 Vo4 BTL AMP 2 input pin Non inverting side 9 Vg2 BTL AMP 2 input pin For gain adjustment 10 Vin2 BTL AMP 2 input pin 11 Reg Out External transistor collector PNP connection 5V power supply output 12 Reg In External transistor PNP base connection 13 Res Reset output 14 Cd Reset output delay time setting Capacitor co...

Страница 62: ...EST I Test input 8 XOUT O Crystal oscillator output 4 332MHz 9 XIN I Crystal oscillator input exeternal reference input 10 Vssd Digtal ground 11 Vddd Digtal power supply 12 MODE I Read mode setting 0 master 1 slave 13 RST I RDS ID RAM reset positive polarity 14 RDDA O RDS data output 15 RDCL I O RDS clock output master mode RDS clock input slave mode 16 RDS ID READY O RDS ID READY output negative ...

Страница 63: ...layout Block diagram 1 5 4 2 3 VDD VOUT VSS EXT CE Current Limit Voltage Reference Pin No Symbol Function 1 VSS GND 2 VIN Power supply input 3 VOUT Regulator output 4 EXT Base current control terminal 5 CE Chip enable on off control 1 Np Vref 3 GND 2 6 Vin 4 Vout VOUT Thermal Sensor Cnp Bandgap Reference GND VIN Rin 550k on off Ccont ...

Страница 64: ...SELO L5 L4 L3 L2 L1 CL VDD ROPOUT RINM RINP ROOUT RSB RBASS2 RBASS1 RTRE RVRIN RSELO R5 R4 R3 R2 R1 Vref 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 1 2 3 4 5 6 7 8 9 10 11 12 13 RVref LVref CONTROL CIRCUIT CONTROL CIRCUIT CCB INTERFACE LOGIC CIRCUIT LOUT LSB LBASS2 LBASS1 LTRE LVRIN LSELO L5 L4 L3 L2 L1 Vref R1 R2 R3 R4 R5 RESLO RVRIN RTRE RBASS1 RBASS2 RSB ROUT RINP RINM...

Страница 65: ...14 L5 Input signal pin 15 L4 Input signal pin 16 L3 Input signal pin 17 L2 Input signal pin 18 L1 Input signal pin 19 Vref 0 5 x VDD voltage generation block for analog ground 20 R1 Input signal pin 21 R2 Input signal pin 22 R3 Input signal pin 23 R4 Input signal pin 24 R5 Input signal pin 25 RSELO Input selector output pin 26 RVRIN Volume input pin 27 RTRE Capacitor connection pin comprising treb...

Страница 66: ... No 22042 AV MULTIMEDIA COMPANY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED 200302WPC Printed in Japan UX Z7MDR ...

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