Jvc-DRMH-300-SE-2-Service-Manual(1) 电路图 维修手册.pdf

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1、SERVICE MANUAL COPYRIGHT 2006 Victor Company of Japan, Limited No.YD089B 2006/2 HDD&DVD VIDEO RECORDER YD089B20062 DR-MH300BE2, DR-MH300BEK2, DR-MH300SE2, DR-MH300SEK2, DR-ED400SE2 TABLE OF CONTENTS 1PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2、. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 2SPECIFIC SERVICE INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 3DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 4ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11 5TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12 Since the whole mechanism assembly unit is replaced, the DVD recorder mechanism of this unit need not be adjusted. DR-MH300BE2, DR-MH300BEK2, DR-MH300SE2, DR-MH300SEK2, DR-ED400SE2 D5HR10 Area Suffix E - Continental Europe North

5、ern Europe EK - U.K. STANDBY/ON PR HDDDVD RAM/RW ENTERNAVIGATIONGUIDE PR PUSH-OPEN Only ver.EK TM Only ver.E TM Only ver.E,EK This model is a model to whom the DVD drive unit and some parts are changed based on DR-MH300B,DR-MH300S,DR-ED400S. Please see page 3 about details and the distinction method

6、. For details other than those described in this manual, please refer to the DR-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) SPECIFICATION E.& O.E. Design and specifications subject to change without notice. Manufactured under license fr

7、om Dolby Laboratories. “Dolby” and the 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.

8、 Use of this copyright protec- tion technology 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 of various international p

9、atents and patent applications owned by, 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+

10、 SYSTEM. IN NO EVENT SHALL GEMSTAR-TV GUIDE 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

11、 RE- LATING TO THE GUIDE PLUS+ SYSTEM. i-LINK is a trademark of Sony Corp . HDMI is a trademark of HDMI Licensing, LLC . DR-MH300BE2,DR-MH300SE2,DR-ED400SE2DR-MH300BEK2,DR-MH300SEK2 GENERAL Power requirement AC 220 V - 240 V, 50 Hz/60 Hz Power consumption Power on : 36 W Power off : 6.4 W Temperatur

12、e Operating : 5C to 35C Storage : -20C to 60C Operating position Horizontal only Dimensions (W H D) 435 mm 70 mm 300 mm Weight 4.6 kg VIDEO/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),

13、DVD-RW 8 cm (1.4 GB) *1 9.4 GB double-sided discs *2 2.8 GB double-sided discs Recording format DVD-RAM : DVD Video Recording format DVD-R : DVD Video format, DVD Video Recording format DVD-RW : DVD Video format, DVD Video Recording format Recording timeMaximum 8 hours (with 4.7 GB disc) (XP) : Appr

14、ox. 1 hour, (SP) : Approx. 2 hours, (LP) : Approx. 4 hours, (EP) : Approx. 6 hours, (FR) : Approx. 1 hour - 8 hours Audio recording system Dolby Digital (2 ch) Linear PCM (XP mode only) Video recording compression systemMPEG2 (CBR/VBR) VIDEO/AUDIO (HDD Deck) Capacity 160 GB Recording time (DV) : App

15、rox. 11 hours,(XP) : Approx. 34 hours,(SP) : Approx. 69 hours,(LP) : Approx. 138 hours, (EP) : Approx. 209 hours,(FR480) : Approx. 300 hours Audio recording systemDolby Digital (2 ch) Linear PCM (XP mode only) Video recording compression systemMPEG2 (VBR) Input/Output 21-pin SCART connectorsIN/OUT X

16、 1, IN/DECODER X 1 S-video input Y:1.0 Vp-p,75 ohms C : 0.3Vp-p, 75 ohms Video input 1.0 Vp-p, 75 ohms (pin jack) Audio input 2 Vrms (pin jack) i.Link 4-pin for DV Input/Output Component video output Y : 1.0 Vp-p, 75 ohms PB/PR: 0.7 Vp-p, 75 ohms Corresponding to copy protection HDMI output 19-pin,

17、Corresponding to HDCP Video : 576i/576p/1080i/720p Audio : 2 ch PCM/Bitstream Digital audio output Coaxial Corresponding to Dolby Digital and DTS Digital Surround, Bit stream Selectable in digital audio output setting menu G-LINK 3.5 mm Jack TUNER/TIMER Tuning system Frequency synthesised tuner Sign

18、al system PAL/SECAM colour signal, 625 lines/50 fieldsPAL colour signal,625 lines/50 fields TV 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 MHz UHF : 470MHz - 862MHz VHF : 44.5MHz - 143M

19、Hz/ 143MHz - 470MHz/ UHF : 470MHz - 862MHz Memory backup time Approx. 10 minutes. RadioFans.CN 收音机爱 好者资料库 (No.YD089B)1-3 About this service manual This 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

20、way of recognizing is explained below, in the case of DR-MH300BE2, DR-MH300BEK2,DR-MH300SE2,DR-MH300SEK2,DR-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 MODELS How

21、to recognize from the appearance of the model concerned is written below. Please distinguish from several contents currently printed on the rating label of the left side on main body. The surface of a top cover DVD VIDEO RECORDER MODEL NO. S, NO. MADE IN 2 BLANK : DR-MH300BE,DR-MH300BEK,DR-MH300SE,D

22、R-MH300SEK,DR-ED400SE 2 : DR-MH300BE2,DR-MH300BEK2,DR-MH300SE2,DR-MH300SEK2,DR-ED400SE2 RadioFans.CN 收音机爱 好者资料库 1-4 (No.YD089B) SECTION 1 PRECAUTION Please refer to DR-MH300BE, DR-MH300BEK,DR-MH300SE,DR-MH300SEF,DR- MH300SEK, DR-MH300SER,DR-ED400SE (issue number : YD089) about this sec- tion. SECTIO

23、N 2 SPECIFIC SERVICE INSTRUCTIONS This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS. (No.YD089B)1-5 SECTION 3 DISASSEMBLY 3.1Main body section 3.1.1Remove the top cover (See figure 1) (1) Remove the four screws A attaching the top cover on both sides of the main body. (2) Remove th

24、e five screws B attaching the top cover on the back of the main body. (3) Raise the both sides and lower part of the rear of the top cover, with opening them slightly in an outward direction. And the top cover will be removed. Fig.1 3.1.2Remove the front panel assembly and HDD (See figure 2, figure

25、3, figure 4) Prior to performing the following procedure, remove the top cover. There is no need to remove the drive unit. (1) Remove the five screws C attaching the HDD and bracket. (2) Disconnect the card wire from connector CN2201 on the digital board. (3) Disconnect the socket wire from connecto

26、r CN5304 on the main board. (4) Disconnect the card wire from connector on the HDD. (5) Disconnect the card wire from connector CN4001 on the main board. (6) Disconnect the card wires from connector CN7002, CN7003 on the display board. (7) Remove the two screws D attaching the front panel assem- bly

27、. (8) Hooks a and b are removed respectively, and the front panel assembly is removed. Fig.2 Fig.3 Fig.4 B B A x 2 TOP COVERTOP COVERTOP COVER B A x 2 B B Connector CN2201 CN5304 Main boardBracketCC C HDD C C CN7003 CN7002 CN4001 Main board Hook a Hook a Hook bHook b Front panel assembly D D 1-6 (No

28、.YD089B) 3.1.3Remove the drive unit (See figure 5) Prior to performing the following procedure, remove the top cover. There is no need to remove the front panel assembly. (1) Disconnect the socket wire from connector CN5302 on the main board. (2) Disconnect the card wire from connector CN2201 on the

29、 digital board. (3) Remove the five screws E attaching the drive unit and bracket. Fig.5 3.1.4Remove the HDMI board and digital board (See figure 6, figure 7) Prior to performing the following procedure, remove the top cover and HDD. (1) Disconnect the socket wire from connector CN2404 on the HDMI b

30、oard. (2) Remove the three screws F attaching the HDMI board. (3) Remove the two screws G (G1, G2) attaching the HDMI board from rear side. (4) Disconnect the connector from CN2401 on the HDMI board from digital board. (5) Disconnect the card wire from connector CN1103 on the digital board. (6) Disc

31、onnect the socket wire from connector CN1101, CN1102, CN1801 on the digital board. (7) Remove the four screws H attaching the digital board. Fig.6 Fig.7 E Drive unit Bracket E CN2201 E E CN5302 Main board F Digital board CN2404 HDMI board HH F H F CN2401 CN1101 H CN1103 CN1102 CN1801 G2G1 Rear panel

32、 G1 - 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 ) Torque Please note tightening too much. (No.YD089B)1-7 3.1.5Remove the main board (See figure 8, figure 9) Prior to performing the following procedure, remove the top cover, drive unit, HDD. (1)

33、Disconnect the card wire from connector CN4103, CN4001 on 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) Disconnect the power cord from co

34、nnector CN5001 on the main board. (5) Remove the six screws I attaching the main board. (6) Remove the seven screws J attaching the rear panel with main board. (7) Remove the one screw K attaching the tuner. Fig.8 Fig.9 3.1.6Remove the display board (See figure 10) Prior to performing the following

35、procedure, remove the top cover, drive unit, HDD, front panel assembly. (1) Disconnect the socket wire from connector CN7001 on the display board. (2) Remove the two screws L attaching the display board. Fig.10 Display board CN5001 I I I I CN5303Main board I I CN7001 CN4001 CN1101 CN1102 CN4103 Digi

36、tal board CN3004 JJRear panelK Display board CN7001 LL 1-8 (No.YD089B) 3.2DVD Drive unit section 3.2.1Remove 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 made to slide in the direction of an arrow. (A tray ejects a few.) (

37、2) Remove the 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, and hook c is removed. (6) It draws it out while lifting the tray in the direction of the ar- row. Fig

38、.1 Fig.2 Fig.3 Fig.4 Part a A A A A Hook b Hook b Top cover B B Hook c Shaft guide Tray (No.YD089B)1-9 3.2.2Reassembly 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 the back. (3) The left s

39、ide of the tray is inserted in the rail of the loading base, 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.5 3.2.3Remove the traverse mechanism assembly (See figure 6, figure 7) Prior to pe

40、rforming the following procedure, remove the top cover, tray. (1) Disconnect the FFC wire from connector on the pick-up unit. ATTENTION: The laser diode of pick-up might be destroyed by static electricity. Please work after installing the wristband. In addition, please do not touch in each part, the

41、 terminal, and the laser diode terminal on the substrate of the pick- up unit. Never (2) Disconnect the FFC wire from connector CN103, CN104 on the servo control board. (3) Remove the four screws C attaching the traverse mecha- nism assembly. Fig.6 Fig.7 Slide cam Shaft guide C CC Traverse mechanism

42、 assembly Pick-up unitConnector CN102 CN103 CN104 CN105 Hook dHook d Servo control board DD 1-10 (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

43、servo control board. (3) Hooks d is removed, and the servo control board is re- moved. 3.2.5Remove the loading motor (See figure 8, figure 9) Prior to performing the following procedure, remove the top cover, tray. (1) Remove the solder part e soldered on the switch board. (2) A belt is removed. (3)

44、 Remove the two screws E attaching the loading motor. Fig.8 Fig.9 Part e Switch board Loading motor E Belt (No.YD089B)1-11 SECTION 4 ADJUSTMENT 4.1Timer 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

45、 the measuring point (D1). (2) Connect the short wire between the short point (D2) and Vcc (5V). (3) Short 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) Adj

46、ust the Adjustment part (F) so that the output frequency becomes the specified value (G). Signal(A1)No signal Mode(B)EE Equipment(C)Frequency counter Measuring point(D1) (D2) (D3) IC3001 pin 29 IC3001 pin 83 C3021 + and - Adjustment part(F)C3033 (TIMER CLOCK) Specified value(G1) 1024.008 0.001 Hz (9

47、76.5549 0.0010 usec) 1-12 (No.YD089B) SECTION 5 TROUBLESHOOTING 5.1JIG Mode Please refer to DR-MH300BE, DR-MH300BEK,DR-MH300SE,DR-MH300SEF,DR-MH300SEK, DR-MH300SER,DR-ED400SE (issue number : YD089) about this section. 5.2Displaying SYSTEM INFO Please refer to DR-MH300BE, DR-MH300BEK,DR-MH300SE,DR-MH

48、300SEF,DR-MH300SEK, DR-MH300SER,DR-ED400SE (issue number : YD089) about this section. 5.3Updating the firmware of the main body Please 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 th

49、e drive unit Please refer to DR-MH300BE, DR-MH300BEK,DR-MH300SE,DR-MH300SEF,DR-MH300SEK, DR-MH300SER,DR-ED400SE (issue number : YD089) about this section. 5.5Taking out a disc There 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 the OPEN/CLOSE button of the main body. (2) Remove the disc as the tray is ejected in a short while. (3) The tray closes automatically at about five se