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JVC KD-S5050 - In-Dash CD Player, Service Manual

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JVC KD-S5050 - In-Dash CD Player Service Manual Download Page 21

(No.MA026)1-21

3.2.16 Removing the loading gear 5, 6 and 7 

(See Figs.35 and 36)

• Prior to performing the following procedure, remove the top

cover, chassis unit, pickup unit and top plate assembly.

(1) Remove the screw 

K

 attaching the loading gear bracket.

The loading gear 6 and 7 come off the loading gear brack-
et.

(2) Pull out the loading gear 5.

Fig.35

Fig.36

K

Loading gear bracket

Loading gear 6

Loading gear 5

Loading gear 3

K

Loading gear bracket

Loading gear 6

Loading gear 5

Loading gear 7

Summary of Contents for KD-S5050 - In-Dash CD Player

Page 1: ...o MA026 2003 11 CD RECEIVER MA026 2003 11 KD S5050 TABLE OF CONTENTS 1 PRECAUTIONS 1 3 2 SPECIFIC SERVICE INSTRUCTIONS 1 5 3 DISASSEMBLY 1 6 4 ADJUSTMENT 1 24 5 TROUBLESHOOTING 1 25 Area suffix J Northern America SEL DISP 7 8 9 10 11 12 KD S5050 DIRECT TRACK ACCESS ...

Page 2: ...30 kHz to 1 710 kHz FM Tuner Usable Sensitivity 11 3 dBf 1 0 µV 75 Ω 50 dB Quieting Sensitivity 16 3 dBf 1 8 µV 75 Ω Alternate Channel Selectivity 400 kHz 65 dB Frequency Response 40 Hz to 15 000 Hz Stereo Separation 35 dB Capture Ratio 1 5 dB AM Tuner Sensitivity 20 µV Selectivity 35 dB CD PLAYER SECTION Type Compact disc player Signal Detection System Non contact optical pickup semiconductor las...

Page 3: ... formed during molding may be left over on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Page 4: ... laser diode in the optical pickup The tester s internal power source can easily destroy the laser diode 1 3 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 details refer to the replacement ...

Page 5: ... No MA026 1 5 SECTION 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS ...

Page 6: ...side of the main body then remove the bottom cover from the main body CAUTION When releasing the joints using a screwdriver do not damage the main board Fig 2 3 1 3 Removing the front chassis assembly See Fig 3 Prior to performing the following procedures remove the front panel assembly and bottom cover 1 Remove the screw A on the left side of the main body 2 Release the two joints d and two joint...

Page 7: ...cedure remove the bottom cover 1 Remove the three screws D three screws E and two screws F attaching the rear bracket on the back side of the main body 2 Remove the rear bracket Fig 5 3 1 6 Removing the main board See Fig 6 Prior to performing the following procedure remove the front panel assembly front chassis assembly side panel bottom cover and rear bracket 1 Remove the two screws G attaching ...

Page 8: ...ke out the CD mechanism assembly Fig 7 3 1 8 Removing the front board See Figs 8 to 10 Prior to performing the following procedure remove the front panel assembly 1 Remove the four screws J on the back side of the front panel assembly See Fig 9 2 Release the eleven joints f See Fig 9 3 Release the joint g and take out the front board See Fig 10 Fig 8 Fig 9 Fig 10 H H CD mechanism assembly Top chas...

Page 9: ...emoving the top cover See Figs 1 and 2 1 Remove the two screws A on the both side of the body 2 Lift the front side of the top cover and move the top cover backward to release the two joints a Fig 1 Fig 2 A A A Joints a Top cover Joints a Top cover ...

Page 10: ...or board 2 Solder the short circuit point on the connector board 3 Disconnect the flexible wire from the pickup 4 Move the connector board in the direction of the arrow to release the two joints b 5 Unsolder the wire on the connector board if necessary CAUTION Unsolder the short circuit point after reassembling Fig 3 Fig 4 Fig 5 B Connector board Pickup Short circuit point Joints b Wires Pickup Sh...

Page 11: ... switch See Figs 6 and 7 1 Extend the two tabs c of the feed sw holder and pull out the switch 2 Unsolder the DET switch wire if necessary Fig 6 Fig 7 Connector board DET switch Pickup DET switch Tab c Tab c DET switch wire Feed sw holder ...

Page 12: ...he chassis unit to the frame CAUTION The shape of the suspension spring L and R are dif ferent Handle them with care When reassembling make sure that the three shafts on the underside of the chassis unit are inserted to the dampers certainly Fig 8 Fig 9 Suspension spring L Suspension spring L Suspension spring R Suspension spring R Chassis unit Frame Chassis unit Frame Shafts Shaft Damper Damper D...

Page 13: ...cedure remove the top cover 1 Remove the clamper arm spring 2 Move the clamper assembly in the direction of the arrow to release the two joints d Fig 10 Fig 11 Clamper arm spring Chassis rivet assembly Joint d Joint d Clamper assembly Clamper arm spring Clamper assembly Joint d Joint d Chassis rivet assembly ...

Page 14: ...ve the screw C and move the loading feed motor assembly in the direction of the arrow to remove it from the chassis rivet assembly 2 Disconnect the wire from the loading feed motor assembly if necessary CAUTION When reassembling connect the wire from the loading feed motor assembly to the flame as shown in Fig 12 Fig 12 Fig 13 Loading feed motor assembly Loading feed motor assembly C ...

Page 15: ...w F 2 Reattach the feed sw holder to the feed rack while setting the joint g to the slot of the feed rack and setting the part f of the feed rack to the switch of the feed sw holder correct ly 3 As the feed sw holder is temporarily attached to the pickup unit set to the gear of the joint g and to the bending part of the chassis joint h at a time CAUTION Make sure that the part i on the underside o...

Page 16: ...e slot of the chassis rivet assembly respectively and join the joint k at a time Fig 19 Fig 20 3 2 10 Removing the top plate assembly See Fig 21 Prior to performing the following procedure remove the top cover connector board chassis unit and clamper assembly 1 Remove the screw H 2 Move the top plate assembly in the direction of the arrow to release the two joints r 3 Unsolder the wire marked s if...

Page 17: ...irection of the arrow to release the joint u 2 Unsolder the wire of the mode sw marked s if necessary 3 Turn the select lock arm in the direction of the arrow to re lease the two joints v 4 The select lock arm spring comes off the select lock arm at the same time Fig 22 Fig 23 Mode sw Select lock arm Joint t Link plate Joint u s Top plate Top plate Select lock arm Select lock arm spring Select loc...

Page 18: ... the underside of the select lock arm and join the select lock arm to the slots joint v Turn the select lock arm as shown in the figure 3 Reattach the mode sw while setting the part t to the first peak of the link plate gear and join the joint u CAUTION When reattaching the mode sw check if the points y and z are correctly fitted and if each part operates properly Fig 24 Fig 25 Fig 26 Select lock ...

Page 19: ... 29 and 30 REFERENCE Reverse the above removing procedure 1 Reattach the link plate spring 2 Reattach the link plate to the link plate spring while joining them at joint d 3 Reattach the joint a of the select arm R to the first peak of the link plate while joining the two joints b with the slots Then turn the select arm R as shown in the figure The top plate is joined to the joint c CAUTION When r...

Page 20: ... 5 Extend the lock arm rivet assembly outward and release the joint j from the boss of the chassis rivet assembly The roller guide springs on both sides come off at the same time CAUTION When reassembling reattach the left and right roller guide springs to the lock arm rivet assembly before reat taching the lock arm rivet assembly to the chassis rivet assembly Make sure to fit the part k of the ro...

Page 21: ...chassis unit pickup unit and top plate assembly 1 Remove the screw K attaching the loading gear bracket The loading gear 6 and 7 come off the loading gear brack et 2 Pull out the loading gear 5 Fig 35 Fig 36 K Loading gear bracket Loading gear 6 Loading gear 5 Loading gear 3 K Loading gear bracket Loading gear 6 Loading gear 5 Loading gear 7 ...

Page 22: ... Remove the loading gear 1 8 Move the change plate rivet assembly in the direction of the arrow to release from the three shafts of the chassis rivet assembly upward See Fig 38 9 Detach the loading gear plate rivet assembly from the shaft of the chassis rivet assembly upward while releasing the joint p See Figs 38 and 40 10 Pull out the loading gear 4 Fig 37 Fig 38 Fig 39 Fig 40 Slot m Slot m Join...

Page 23: ...ng procedure remove the top cover connector board chassis unit and clamper assembly 1 Remove the two screws L attaching the spindle motor as sembly through the slot of the turn table on top of the body 2 Unsolder the wire on the connector board if necessary Fig 41 Fig 42 L Turn table L Turn table Spindle motor ...

Page 24: ...uld be used for AM and FM For FM dummy load there is a loss of 6dB between SSG output and antenna input The loss of 6dB need not be considered since direct reading of figures are applied in this working standard How to connect the extension cable for adjusting Caution Be sure to attach the heat sink and rear bracket onto the power amplifier IC and regulator IC respectively before supply the power ...

Page 25: ...cinity of IC541 pins 15 and 16 Does the S search waveform appear at IC541 pins 8 and 9 4V YES NO YES Check the pickup and its connections Is the disk rotated YES NO Is 4V present between IC541 pins 6 and 7 NO Is 4V present at IC561 pins 24 and 25 NO Check IC561 Does the RF signal appear at TP RF YES YES Check the spindle motor and its wiring Is the RF waveform at TP RF distorted YES Proceed to the...

Page 26: ...ng normally the laser pickup may be damaged due to excessive current 5 7 Replacement of laser pickup No sound from either channel Is 9V present at IC301 pin 31 Compare the L ch and R ch to locate the defctive point Is the sound output from both channels L R Check the viciniyt of the Q321 audio power supply NO NO NO NO YES YES YES YES YES Check IC151 and its peripheral circuits Is the audio signal ...

Page 27: ...BK NC NC NC Black RD BK Red BL Blue WH White GN Green VI Violet GY Gray Yellow RR FR FL RL REMOTE ACC GND MEMORY Rear Right Front Right Front Left Rear Left Remote ACC Line Ground Memory Backup Battery 16 YL MEMORY 8 BK GND 7 RD ACC 5 BL WH REMOTE 4 WH FL 12 WH BK FL 3 GN RL 11 GN BK RL 2 VI RR 10 VI BK RR 1 GY FR 9 GY BK FR YL ...

Page 28: ... No MA026 AV MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED WPC Printed in Japan ...

Page 29: ...vice parts Contents Exploded view of general assembly and parts list Block No M1 CD mechanism assembly and parts list Block No MB Electrical parts list Block No 01 02 Packing materials and accessories parts list Block No M3 KD S5050 3 2 3 4 3 6 3 10 Area suffix J Northern America MA026 ...

Page 30: ...eneral assmbly and parts list A B Main board Front board Block No M M M 1 9 13 12 35 39 8 4 8 8 42 10 41 25 7 47 9 16 11 14 32 29 24 28 30 21 31 27 48 36 38 33 34 26 22 18 19 6 1 6 6 2 32 3 17 7 15 20 23 5 37 40 44 46 45 43 ...

Page 31: ...Y 20 GE20119 001A PRESET BUTTON 21 GE30304 001A POWER BUTTON 22 GE30305 001A EJECT BUTTON 23 GE20131 302A D FUNC BUTTON 24 GE30307 001A SND FUNC BUTTON 25 GE20130 302A PUSH BUTTON 26 GE20118 002A BUTTON 27 GE20120 001A UP DOWN BUTTON 28 GE30306 001A DETACH BUTTON 29 FSKW3002 012 COMP SPRING 30 GE30117 001A LIGHT LENS 31 GE10055 003A REAR COVER 32 VKZ4777 001 MINI SCREW x4 33 GE30302 003A LCD CASE ...

Page 32: ... D D B a a B TN 2001 1011 111 2 111 37 27 32 23 13 15 99 28 98 83 12 86 121 16 17 124 4 125 1 111 3 3 71 111 93 111 91 92 113 88 89 82 87 20 18 115 90 32 30 38 114 11 85 25 73 111 33 34 74 72 35 26 31 22 36 116 29 112 19 61 24 112 62 21 38 76 95 96 14 97 100 123 81 94 77 75 74 73 84 94 101 100 122 93 75 83 ...

Page 33: ...SPENSION SP L 61 69011614T PICKUP OPT 725 62 64180406T DET SW ESE22 71 303210301T CONN PWB ASS Y 72 30321002T MODE SW 73 30321003T LOAD MOTOR WIRE 74 30321005T MODE SW WIRE 75 30321009T SL WIRE 76 30321011T WIRE HOLDER 77 19501403T WIRE CLUMPER 81 303211301T ROLLER SHAFT AS 82 303211501T L GEAR PLATE RV 83 303211302T LOADING PLATE A 84 303211502T LOCK ARM RV ASS 85 303211303T L F MOTOR ASS Y 86 30...

Page 34: ...V K C333 NCB31EK 104X C CAPACITOR 0 1uF 25V K C334 QERF1HM 105Z E CAPACITOR 1uF 50V M C335 QERF1HM 105Z E CAPACITOR 1uF 50V M C402 NCB31HK 822X C CAPACITOR 8200pF 50V K C403 NCB31CK 224X C CAPACITOR 0 22uF 16V K C404 NCB21CK 224X C CAPACITOR 0 22uF 16V K C405 NCB21HK 333X C CAPACITOR 0 033uF 50V K C406 NCB31HK 562X C CAPACITOR 5600pF 50V K C407 QERF1EM 475Z E CAPACITOR 4 7uF 25V M C408 QERF1EM 475...

Page 35: ...SA63J 102X MG RESISTOR 1kΩ 1 16W J Symbol No Part No Part Name Description Local R434 NRSA63J 101X MG RESISTOR 100Ω 1 16W J R436 NRSA63J 222X MG RESISTOR 2 2kΩ 1 16W J R501 NRSA02J 220X MG RESISTOR 22Ω 1 10W J R502 NRSA02J 220X MG RESISTOR 22Ω 1 10W J R503 NRS181J 102X MG RESISTOR 1kΩ 1 8W J R504 NRSA63J 202X MG RESISTOR 2kΩ 1 16W J R505 NRSA63J 224X MG RESISTOR 220kΩ 1 16W J R506 NRSA63J 223X MG ...

Page 36: ...D612 SML 310VT JK X LED D613 LNJ308G8J 3 5 X LED D614 SML 310VT JK X LED D615 SML 310VT JK X LED D616 SML 310VT JK X LED D617 SML 310VT JK X LED D618 SML 310VT JK X LED D619 SML 310VT JK X LED D620 SML 310LT MN X LED D641 UDZS5 1B X Z DIODE D643 MA111 X SI DIODE D645 MA8062 M X Z DIODE D731 NSPW310BS BRS LED D732 NSPW310BS BRS LED C601 NCB31HK 223X C CAPACITOR 0 022uF 50V K C602 NCS31HJ 681X C CAP...

Page 37: ...06 001X TACT SWITCH S616 NSW0206 001X TACT SWITCH S617 NSW0206 001X TACT SWITCH S618 NSW0206 001X TACT SWITCH S619 NSW0206 001X TACT SWITCH S620 NSW0206 001X TACT SWITCH Symbol No Part No Part Name Description Local ...

Page 38: ...3 10 Packing materials and accessories parts list Block No M M M 3 A13 A14 A15 KIT A7 A8 A9 A12 A1 A2 A3 A4 A5 A6 P1 A10 A11 P7 P7 P5 P6 P2 P4 P3 ...

Page 39: ...27 202 PLUG NUT A 8 VKH4871 001SS MOUNT BOLT A 9 VKZ4328 001 LOCK NUT A 10 WNS5000Z WASHER A 11 GE40130 002A HOOK x2 A 12 FSJB3001 30C HARD CASE A 13 GE20137 003A MOUNTING SLEEVE A 14 GE20135 004A TRIM PLATE A 15 QAM0013 006 16P CORD ASSY KIT SRW 6060E SCREW PARTS KIT A7 to A11 P 1 FSPG4002 001 POLY BAG P 2 QPA00801205 POLY BAG 8cm x 12cm P 3 QPA01003003 POLY BAG 10cm x 30cm P 4 FSYH4036 068 SHEET...

Page 40: ... 11 COPYRIGHT 2003 VICTOR COMPANY OF JAPAN LTD KD S5050 Area suffix J Northern America SEL DISP 7 8 9 10 11 12 KD S5050 DIRECT TRACK ACCESS Contents Block diagram Standard schematic diagrams Printed circuit boards 2 1 2 3 2 9 10 CD ROM No SML200311 ...

Page 41: ...r on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system Safety precaution Please use enough caution not to see the beam directly or touch it in case of an adjustment or operation check ...

Page 42: ... M E M O ...

Page 43: ...TUS SUBQ SQCK TLOCK FLOCK CD SENSE MLD MDATA MCLK BLKCK LDON ARF BDO OFTR RFDET RFENV VDET TRCRS FBAL TBAL TE FE OUTL OUTR CJ601 S601 to S620 KEY MATRIX KEY0 KEY1 KEY2 IC601 LCD DRIVER LCD1 CN801 COM1 COM2 COM3 S1 to S48 LCDCL LCDSO LCDCE SW1 SW2 PSW LM FEED FEED SPINDLE SPINDLE VF1 VF2 VT1 VT2 LD MD TRACKING TRACKING FOCUS FOCUS SPINDLE SPINDLE FEED FEED TRACKING TRACKING FOCUS FOCUS KEY0 KEY1 KE...

Page 44: ...E IC321 POWER AMP IC901 REGULATOR SPK BATTERY EACH BLOCK L CH R CH OUTLF OUTLR OUTRF OUTRR REAR L REAR R CD L CD R CJ321 LINE OUT FRONT LEFT FRONT LEFT FRONT RIGHT FRONT RIGHT REAR LEFT REAR LEFT REAR RIGHT REAR RIGHT SDA SCL CJ701 ANT CN901 SD ST MONO SM IFC FM AM EO FMOSC ...

Page 45: ...B709A QR X 47k 1SS133 T2 DTC144EKA X 0 4 7u 2 2 50 VMC0334 001 2SD601A QR X 2 7K 2 7K QAU0311 001 1SS133 T2 1SS133 T2 1SS133 T2 1k 2SB1197K QR X 1k UN2211 X 10k 0 001 1k 10k 1 5k 1k 47k 10k MA111 X 470 MA8062 M X 2 2k 1 50 4 7k 4 7k 15 MA111 X 0 022 0 1 50 22k 3 3k 4 7k 4 7 10K 22k 100p 47k 15p 150p 47k 10k 82 0 01 1 50 2 2k 220p 15 0 10 0 120p 47 10 0 1 50 220 10 0 1 50 0 033 0 033 3 3k 220 10 5 ...

Page 46: ...1 50 Z SB10 03A3 T2 0 01 MA111 X 10 16 HA13164A 39k 2200 16 UN2211 X QNN0519 001 2SD601A QR X 2 2 50 4 7 25 0 022 0 022 1 50 1k 1N5401 TU 15 1 50 0 033 0 033 0 22 0 22 47 16 100 16 22k 22k 27k 27k 27k 27k 22 16 2SD1781K QR X 1k 1 50 QNZ0611 001 220 6 3 2SD1781K QR X 47k MA111 X 470 0 01 2 2k 1k UN2111 X 2SB709A QR X 1SS133 T2 2 2k 100 LA4743K 1SS133 T2 0 1 QMFZ047 150 T 0 1 0 1 0 1 1k 10 25 TEA632...

Page 47: ...k BT BT TP TP GND GND QGB2027M4 22S 15k 0 033 0 001 0 001 1k 68p 1M 18k 0 51k 2k 100 10 8 2k 2k 0 047 22 1 50 22 0 01 0 1 100p 0 027 0 0047 0 01 0 22 270k 150k 220k 0 047 0 047 0 047 0 0018 0 0012 BT BT GND GND IC2 8 2k 100 10 0 01 6 8k 560 5 1k 12k 3 3k 47k 0 0033 FEED FEED FEED PSW SPINDLE MD VF2 VF1 VT2 GND VT1 LD SPINDLE FEED VF1 SW2 SW1 FOCUS FOCUS VF2 GND VCC SW1 VT2 SW2 VT1 PSW VF1 SPINDLE ...

Page 48: ...JM4565M WE 1 5k 4 7U MN6627482WA 330p TP T 22 16 0 001 220 10 33k 220 10 1A3G T1 0 022 1 5k 47 6 3 0 01 27k 12k 22k 22k 22k 22k 150p BT GND GND 4 7 25 1k 220k 0 1M 100k 4 7U 1k 0 001 0 0 001 0 001 0 0015 100 10 0 01 0 1 220k 0 27 0 1 0 01 0 47 1k 0 01 220 33k 220 100 10 100 10 100 10 0 1 0 01 IC2 GND 1k 1k 1k 1k 1k 1k 0 01 0 01 220k 5 6k CD8V ARF 9V GND RFENV PSW TLOCK SW1 OFTR FOD TRD KICK ECS EC...

Page 49: ...41 R635 R633 R636 R638 R640 R637 R639 D606 R644 R645 R631 D731 D732 D645 180k 10k 10 6 3 MA111 X MA111 X 2 2k 10k 10k 10k 1 5k 680 560 910 1 2k 680 560 1 5k 1 2k 910 680 680 560 680 910 1 2k 2 2k 680 QLD0210 002 3 LOUD SEL DISP AM 680 680 CD POWER 2 2k 1k FM VOL EJECT SCM MODE VOL 6 5 4 680 680 2 DOWN UP 390 1k 2 2k 1 2K 390 390 1 2K 390 1 1k 1k 820 MA8062 M X LCD CE KEY1 KEY0 LCD CLK LCD SO KEY2 ...

Page 50: ...S5 S6 S7 S8 S9 S10 S11 S12 S13 S14 S15 S16 S34 S35 S36 S37 S38 S39 S40 S41 S42 S43 S44 S45 S46 S47 S48 R658 R653 D642 IC602 R661 R662 C612 C611 IC601 CJ601 D643 R652 R657 C601 C602 R654 R655 R656 R651 D641 D644 180k 10k MA111 X RPM6938 SV4 10k 470 4 7 6 3 0 012 PT6523LQ VMC0355 001 MA111 X 2 2k 51k 0 022 680P 10k 10k 10k 2 2k UDZS5 1B X MA8062 M X S32 R5V COM3 S17 S31 REMOCON S30 S29 S28 ILL 10V G...

Page 51: ...253 R254 R255 R256 R301 R302 R303 R304 R307 R308 R321 R322 R323 R333 R334 R336 R401 R402 R403 R404 R407 R408 R433 R434 R436 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R516 R517 R518 R541 R542 R543 R544 R545 R546 R547 R548 R550 R596 R560 R561 R562 R563 R567 R568 R569 R570 R571 R572 R573 R574 R575 R576 R577 R578 R579 R805 R701 R702 R703 R704 R705 R708 R725 R735 R736 R733 R734 R...

Page 52: ...607 R608 R609 R610 R611 R612 R613 R614 R615 R616 R617 R636 R637 R638 R639 S601 S606 S608 S609 S610 S611 S602 S603 S604 S607 S605 S612 S613 S614 S615 S616 S617 S618 S619 S620 LCD1 D731 D732 C601 C602 C603 C611 CJ601 D641 D642 D643 D644 IC601 IC602 R631 R632 R633 R634 R635 R640 R641 R642 R643 R644 R645 R651 R652 R653 R654 R655 R656 R657 R658 R661 R662 D731 D732 R731 R732 C612 D645 ...

Page 53: ... No MA026SCH VICTOR COMPANY OF JAPAN LIMITED AV MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan Printed in Japan WPC ...

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