JVC-DRED400SE2-hdd-sm 维修电路原理图.pdf

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1、SERVICE MANUALCOPYRIGHT 2006 Victor Company of Japan, LimitedNo.YD089B2006/2HDD&DVD VIDEO RECORDERYD089B20062DR-MH300BE2, DR-MH300BEK2, DR-MH300SE2, DR-MH300SEK2, DR-ED400SE2TABLE OF CONTENTS1PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2、. . . . . . . . . . . . . . . . . . . . . . . . 1-42SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-43DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3、 . . . . . . . . . . . . . . . . . . . . . . . 1-54ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-115TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4、 . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12Since the whole mechanism assembly unit is replaced, the DVD recordermechanism of this unit need not be adjusted.DR-MH300BE2, DR-MH300BEK2, DR-MH300SE2, DR-MH300SEK2, DR-ED400SE2 D5HR10Area SuffixE - Continental Europe Northern EuropeEK - U.

5、K.STANDBY/ONPRHDDDVDRAM/RWENTERNAVIGATIONGUIDEPRPUSH-OPENOnly ver.EKTMOnly ver.ETMOnly ver.E,EKThis model is a model to whom the DVD drive unit and some parts arechanged based on DR-MH300B,DR-MH300S,DR-ED400S. Please see page 3 about details and the distinction method.For details other than those de

6、scribed in this manual, please refer to theDR-MH300B,DR-MH300S,DR-ED400S service manual (Issue No.YD089 2005/12).RadioFans.CN 收音机爱 好者资料库1-2 (No.YD089B)SPECIFICATIONE.& O.E. Design and specifications subject to change without notice. Manufactured under license from Dolby Laboratories. “Dolby” and the

7、 double-D symbol are trademarks of Dolby Laboratories. “DTS” and “DTS Digital Out” are trademarks of Digital Theater Systems, Inc. This product incorporates copyright protection technology that is protected by U.S. patents and other intellectual property rights. Use of this copyright protec-tion tec

8、hnology must be authorized by Macrovision. Reverse engineering or disassembly is prohibited. GUIDE Plus+, SHOWVIEW,VIDEO Plus+, G-LINK are (1) registered trademarks or trademarks of, (2) manufactured under license from and (3) subject ofvarious international patents and patent applications owned by,

9、 or licensed to, Gemstar-TV Guide International, Inc. and/or its related affiliates. GEMSTAR-TV GUIDE INTERNATIONAL, INC. AND/OR ITS RELATED AFFILIATES ARE NOT IN ANY WAY LIABLE FOR THE ACCURACY OF THE PRO-GRAM SCHEDULE INFORMATION PROVIDED BY THE GUIDE PLUS+ SYSTEM. IN NO EVENT SHALL GEMSTAR-TV GUI

10、DE INTERNATIONAL, INC.AND /OR ITS RELATED AFFILIATES BE LIABLE FOR ANY AMOUNTS REPRESENTING LOSS OF PROFITS, LOSS OF BUSINESS, OR INDIRECT, SPE-CIAL, OR CONSEQUENTIAL DAMAGES IN CONNECTION WITH THE PROVISION OR USE OF ANY INFORMATION, EQUIPMENT, OR SERVICES RE-LATING TO THE GUIDE PLUS+ SYSTEM. i-LIN

11、K is a trademark of Sony Corp . HDMI is a trademark of HDMI Licensing, LLC .DR-MH300BE2,DR-MH300SE2,DR-ED400SE2DR-MH300BEK2,DR-MH300SEK2GENERALPower requirement AC 220 V - 240 V, 50 Hz/60 HzPower consumption Power on : 36 WPower off : 6.4 WTemperature Operating : 5C to 35CStorage : -20C to 60COperat

12、ing position Horizontal onlyDimensions (W H D) 435 mm 70 mm 300 mmWeight 4.6 kgVIDEO/AUDIO (DVD Deck)Recordable disc DVD-RAM 12 cm (4.7 GB/9.4 GB*1),DVD-RAM 8 cm (1.4 GB/2.8 GB*2),DVD-R 12 cm (4.7 GB),DVD-R 8 cm (1.4 GB),DVD-RW 12 cm (4.7 GB),DVD-RW 8 cm (1.4 GB)*1 9.4 GB double-sided discs*2 2.8 GB

13、 double-sided discsRecording format DVD-RAM : DVD Video Recording formatDVD-R : DVD Video format, DVD Video Recording formatDVD-RW : DVD Video format, DVD Video Recording formatRecording timeMaximum 8 hours (with 4.7 GB disc)(XP) : Approx. 1 hour, (SP) : Approx. 2 hours, (LP) : Approx. 4 hours, (EP)

14、 : Approx. 6 hours, (FR) : Approx. 1 hour - 8 hoursAudio recording system Dolby Digital (2 ch)Linear PCM (XP mode only)Video recording compression systemMPEG2 (CBR/VBR)VIDEO/AUDIO (HDD Deck)Capacity 160 GBRecording time (DV) : Approx. 11 hours,(XP) : Approx. 34 hours,(SP) : Approx. 69 hours,(LP) : A

15、pprox. 138 hours,(EP) : Approx. 209 hours,(FR480) : Approx. 300 hoursAudio recording systemDolby Digital (2 ch)Linear PCM (XP mode only)Video recording compression systemMPEG2 (VBR)Input/Output21-pin SCART connectorsIN/OUT X 1, IN/DECODER X 1S-video input Y:1.0 Vp-p,75 ohmsC : 0.3Vp-p, 75 ohmsVideo

16、input 1.0 Vp-p, 75 ohms (pin jack)Audio input 2 Vrms (pin jack)i.Link 4-pin for DV Input/OutputComponent video output Y : 1.0 Vp-p, 75 ohmsPB/PR: 0.7 Vp-p, 75 ohmsCorresponding to copy protectionHDMI output 19-pin, Corresponding to HDCPVideo : 576i/576p/1080i/720pAudio : 2 ch PCM/BitstreamDigital au

17、dio output CoaxialCorresponding to Dolby Digital and DTS Digital Surround, Bit streamSelectable in digital audio output setting menuG-LINK 3.5 mm JackTUNER/TIMERTuning system Frequency synthesised tunerSignal system PAL/SECAM colour signal, 625 lines/50 fieldsPAL colour signal,625 lines/50 fieldsTV

18、channel storage capacity99 positions (+AUX position)Channel coverage(SECAM-L) -Channel coverage(PAL) VHF : 47 MHz - 89 MHz/ 104 MHz - 300 MHz/ 302 MHz - 470 MHzUHF : 470MHz - 862MHzVHF : 44.5MHz - 143MHz/ 143MHz - 470MHz/UHF : 470MHz - 862MHzMemory backup time Approx. 10 minutes.RadioFans.CN 收音机爱 好者

19、资料库(No.YD089B)1-3About this service manualThis model is a model to whom the DVD drive unit and some parts are changed based on DR-MH300BE,DR-MH300BEK,DR-MH300SE,DR-MH300SEK,DR-ED400SE.Since the way of recognizing is explained below, in the case of DR-MH300BE2,DR-MH300BEK2,DR-MH300SE2,DR-MH300SEK2,DR

20、-ED400SE2, please use this manual. In the case of DR-MH300BE,DR-MH300BEK,DR-MH300SE,DR-MH300SEK,DR-ED400SE,please refer to another service manual (No.YD089 2006/2).HOW TO IDENTIFY MODELSHow to recognize from the appearance of the model concerned is written below.Please distinguish from several conte

21、nts currently printed on the rating label of the left side on main body.The surface ofa top coverDVD VIDEO RECORDERMODEL NO.S, NO.MADE IN2BLANK : DR-MH300BE,DR-MH300BEK,DR-MH300SE,DR-MH300SEK,DR-ED400SE 2 : DR-MH300BE2,DR-MH300BEK2,DR-MH300SE2,DR-MH300SEK2,DR-ED400SE21-4 (No.YD089B)SECTION 1PRECAUTI

22、ONPlease refer to DR-MH300BE, DR-MH300BEK,DR-MH300SE,DR-MH300SEF,DR-MH300SEK, DR-MH300SER,DR-ED400SE (issue number : YD089) about this sec-tion.SECTION 2SPECIFIC SERVICE INSTRUCTIONSThis service manual does not describe SPECIFIC SERVICE INSTRUCTIONS.(No.YD089B)1-5SECTION 3DISASSEMBLY3.1Main body sec

23、tion3.1.1Remove the top cover (See figure 1)(1) Remove the four screws A attaching the top cover on bothsides of the main body.(2) Remove the five screws B attaching the top cover on theback of the main body.(3) Raise the both sides and lower part of the rear of the topcover, with opening them sligh

24、tly in an outward direction.And the top cover will be removed.Fig.13.1.2Remove the front panel assembly and HDD (See figure 2, figure 3, figure 4) Prior to performing the following procedure, remove the topcover. There is no need to remove the drive unit.(1) Remove the five screws C attaching the HD

25、D and bracket.(2) Disconnect the card wire from connector CN2201 on thedigital board.(3) Disconnect the socket wire from connector CN5304 on themain board.(4) Disconnect the card wire from connector on the HDD.(5) Disconnect the card wire from connector CN4001 on themain board.(6) Disconnect the car

26、d wires from connector CN7002,CN7003 on the display board.(7) Remove the two screws D attaching the front panel assem-bly.(8) Hooks a and b are removed respectively, and the frontpanel assembly is removed.Fig.2Fig.3Fig.4BBA x 2TOP COVERTOP COVERTOP COVERBA x 2BBConnectorCN2201CN5304Main boardBracket

27、CCCHDDCCCN7003CN7002CN4001Main boardHook aHook aHook bHook bFront panel assemblyDD1-6 (No.YD089B)3.1.3Remove the drive unit (See figure 5) Prior to performing the following procedure, remove the topcover. There is no need to remove the front panel assembly.(1) Disconnect the socket wire from connect

28、or CN5302 on themain board.(2) Disconnect the card wire from connector CN2201 on thedigital board.(3) Remove the five screws E attaching the drive unit andbracket.Fig.53.1.4Remove the HDMI board and digital board (See figure 6, figure 7) Prior to performing the following procedure, remove the topcov

29、er and HDD.(1) Disconnect the socket wire from connector CN2404 on theHDMI board.(2) Remove the three screws F attaching the HDMI board.(3) Remove the two screws G (G1, G2) attaching the HDMIboard from rear side.(4) Disconnect the connector from CN2401 on the HDMI boardfrom digital board.(5) Disconn

30、ect the card wire from connector CN1103 on thedigital board.(6) Disconnect the socket wire from connector CN1101,CN1102, CN1801 on the digital board.(7) Remove the four screws H attaching the digital board.Fig.6Fig.7EDrive unitBracketECN2201EECN5302Main boardFDigital boardCN2404HDMI boardHHFHFCN2401

31、CN1101HCN1103CN1102CN1801G2G1Rear panelG1 - 0.784 N-m +- 0.078N-m ( 8.0 kgf-cm +- 0.8 kgf-cm )G2 - 0.25 N-m 0.35N-m ( 2.6 kgf-cm 3.6 kgf-cm )TorquePlease note tightening too much.(No.YD089B)1-73.1.5Remove the main board (See figure 8, figure 9) Prior to performing the following procedure, remove the

32、 topcover, drive unit, HDD.(1) Disconnect the card wire from connector CN4103, CN4001on the main board.(2) Disconnect the socket wire from connector CN1101,CN1102, CN7001 on the digital board and display board.(3) Disconnect the socket wire from connector CN3004,CN5303 on the main board.(4) Disconne

33、ct the power cord from connector CN5001 on themain board.(5) Remove the six screws I attaching the main board.(6) Remove the seven screws J attaching the rear panel withmain board.(7) Remove the one screw K attaching the tuner.Fig.8Fig.93.1.6Remove the display board (See figure 10) Prior to performi

34、ng the following procedure, remove the topcover, drive unit, HDD, front panel assembly.(1) Disconnect the socket wire from connector CN7001 on thedisplay board.(2) Remove the two screws L attaching the display board.Fig.10Display boardCN5001IIIICN5303Main boardIICN7001CN4001CN1101CN1102CN4103Digital

35、 boardCN3004JJRear panelKDisplay boardCN7001LL1-8 (No.YD089B)3.2DVD Drive unit section3.2.1Remove the top cover and tray (See figure 1, figure2, figure3, figure4)(1) The part a on the reverse side of a DVD drive unit is madeto slide in the direction of an arrow. (A tray ejects a few.)(2) Remove the

36、four screws A attaching the top cover.(3) Hooks b are removed, and the top cover is removed.(4) The tray is drawn out forward.(5) Remove the two screws B attaching the shaft guide, andhook c is removed.(6) It draws it out while lifting the tray in the direction of the ar-row.Fig.1Fig.2Fig.3Fig.4Part

37、 aAAAAHook bHook bTop coverBBHook cShaft guideTray(No.YD089B)1-93.2.2Reassembly the tray (See figure 5)(1) The slide cam is done in the slide in the direction of the ar-row.(2) The shaft guide is done in the slide in the direction in theback.(3) The left side of the tray is inserted in the rail of t

38、he loadingbase, and the shaft guide is built in.(4) Please push the tray, and confirm whether the tray is nor-mally good to the close position at the slide by manual.Fig.53.2.3Remove the traverse mechanism assembly (See figure 6, figure 7) Prior to performing the following procedure, remove the topc

39、over, tray.(1) Disconnect the FFC wire from connector on the pick-upunit.ATTENTION: The laser diode of pick-up might be destroyed by staticelectricity. Please work after installing the wristband. Inaddition, please do not touch in each part, the terminal,and the laser diode terminal on the substrate

40、 of the pick-up unit. Never(2) Disconnect the FFC wire from connector CN103, CN104on the servo control board.(3) Remove the four screws C attaching the traverse mecha-nism assembly.Fig.6Fig.7Slide camShaft guideCCCTraverse mechanism assemblyPick-up unitConnectorCN102CN103CN104CN105Hook dHook dServo

41、control boardDD1-10 (No.YD089B)3.2.4Remove the servo control board (See figure 7)(1) Disconnect the FFC wire from connector CN102, CN103,CN104, CN105 on the servo control board.(2) Remove the two screws D attaching the servo controlboard.(3) Hooks d is removed, and the servo control board is re-move

42、d.3.2.5Remove the loading motor (See figure 8, figure 9) Prior to performing the following procedure, remove the topcover, tray.(1) Remove the solder part e soldered on the switch board.(2) A belt is removed.(3) Remove the two screws E attaching the loading motor.Fig.8Fig.9Part eSwitch boardLoadingm

43、otorEBelt(No.YD089B)1-11SECTION 4ADJUSTMENT4.1Timer clock adjustment (for only ver.E)If an error comes to arise for a clock, the following procedure will adjust.(1) Connect the frequency counter to the measuring point (D1).(2) Connect the short wire between the short point (D2) and Vcc (5V).(3) Shor

44、t the leads of capacitor (D3) once in order to reset the microprocessor of the system controller.(4) Disconnect the short wire between the short point (D2) and Vcc then connect it again.(5) Adjust the Adjustment part (F) so that the output frequency becomes the specified value (G).Signal(A1)No signa

45、lMode(B)EEEquipment(C)Frequency counterMeasuring point(D1)(D2)(D3)IC3001 pin 29IC3001 pin 83C3021 + and -Adjustment part(F)C3033 (TIMER CLOCK)Specified value(G1) 1024.008 0.001 Hz(976.5549 0.0010 usec)1-12 (No.YD089B)SECTION 5TROUBLESHOOTING5.1JIG ModePlease refer to DR-MH300BE, DR-MH300BEK,DR-MH300

46、SE,DR-MH300SEF,DR-MH300SEK, DR-MH300SER,DR-ED400SE(issue number : YD089) about this section.5.2Displaying SYSTEM INFOPlease refer to DR-MH300BE, DR-MH300BEK,DR-MH300SE,DR-MH300SEF,DR-MH300SEK, DR-MH300SER,DR-ED400SE(issue number : YD089) about this section.5.3Updating the firmware of the main bodyPl

47、ease refer to DR-MH300BE, DR-MH300BEK,DR-MH300SE,DR-MH300SEF,DR-MH300SEK, DR-MH300SER,DR-ED400SE(issue number : YD089) about this section.5.4Updating the firmware of the drive unitPlease refer to DR-MH300BE, DR-MH300BEK,DR-MH300SE,DR-MH300SEF,DR-MH300SEK, DR-MH300SER,DR-ED400SE(issue number : YD089)

48、 about this section.5.5Taking out a discThere is a forced tray eject mode with electrical operation.(1) Right after plugging in the power code (while “PLEASE” and “WAIT” blink alternately and it is displayed), keep pressing theOPEN/CLOSE button of the main body.(2) Remove the disc as the tray is eje

49、cted in a short while.(3) The tray closes automatically at about five seconds.When can not remove the disc, the tray can be ejected mechanically without turning the power on. (1) The DVD drive unit is detached from the main body.(2) The part a on the reverse side of a drive unit is made to slide in

50、the direction of an arrow with a screw driver etc. (3) As the tray ejects a little, pull out the tray manually.Part a(No.YD089B)1-135.6Exchanging the fittingThere is no fitting in DVD drive units of the repair parts, make sure to attach a service fitting when the drive unit is exchanged. Thefitting