JVC DR-MH300BE2 Manuale utente
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
1 PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
2 SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3 DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
4 ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
5 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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
Northern Europe
EK ------------------------ U.K.
STANDBY/ON
PR
HDD DVD
RAM/RW
ENTER
NAVIGATION
GUIDE
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.
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).
1-2 (No.YD089B)
SPECIFICATION
E.& O.E. Design and specifications subject to change without notice.
• Manufactured under license from 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. 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 patents 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+ 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 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-ED400SE2
DR-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
Temperature Operating : 5°C to 35°C
Storage : -20°C to 60°C
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),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 time
Maximum 8 hours (with 4.7 GB disc)
(XP) : Approx. 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 system
MPEG2 (CBR/VBR)
VIDEO/AUDIO (HDD Deck)
Capacity 160 GB
Recording time (DV) : Approx. 11 hours,(XP) : Approx. 34 hours,(SP) : Approx. 69 hours,(LP) : Approx. 138 hours,
(EP) : Approx. 209 hours,(FR480) : Approx. 300 hours
Audio recording system
Dolby Digital (2 ch)
Linear PCM (XP mode only)
Video recording compression system
MPEG2 (VBR)
Input/Output
21-pin SCART connectors
IN/OUT X 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, 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
Signal system PAL/SECAM colour signal, 625 lines/50 fields
PAL colour signal,625 lines/50 fields
TV channel storage capacity
99 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 - 143MHz/
143MHz - 470MHz/
UHF : 470MHz - 862MHz
Memory backup time Approx. 10 minutes.
(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 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 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,DR-MH300SEK,DR-ED400SE
2 : DR-MH300BE2,DR-MH300BEK2,DR-MH300SE2,DR-MH300SEK2,DR-ED400SE2
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.
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
This service manual does not describe SPECIFIC SERVICE INSTRUCTIONS.
(No.YD089B)1-5
SECTION 3
DISASSEMBLY
3.1 Main body section
3.1.1 Remove the top cover (See figure 1)
(1) Remove the four screws Aattaching the top cover on both
sides of the main body.
(2) Remove the five screws Battaching 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
3.1.2 Remove the front panel assembly and HDD (See figure 2, figure 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 Cattaching the HDD and bracket.
(2) Disconnect the card wire from connector CN2201 on the
digital board.
(3) Disconnect the socket wire from connector 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 Dattaching the front panel assem-
bly.
(8) Hooks aand bare removed respectively, and the front
panel assembly is removed.
Fig.2
Fig.3
Fig.4
B
B
Ax 2
TOP COVER
TOP COVER
TOP COVER
B
Ax 2
B
B
Connector
CN2201
CN5304
Main boardBracket
CC
C
HDD
C
C
CN7003
CN7002
CN4001
Main board
Hook a
Hook a
Hook b
Hook b
Front panel assembly
D
D
1-6 (No.YD089B)
3.1.3 Remove 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
digital board.
(3) Remove the five screws Eattaching the drive unit and
bracket.
Fig.5
3.1.4 Remove 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 board.
(2) Remove the three screws Fattaching 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) Disconnect the socket wire from connector CN1101,
CN1102, CN1801 on the digital board.
(7) Remove the four screws Hattaching the digital board.
Fig.6
Fig.7
E
Drive unit
Bracket
E
CN2201 EE
CN5302
Main board
F
Digital board
CN2404
HDMI board
HH
F
H
F
CN2401 CN1101
H
CN1103
CN1102
CN1801
G2G1
Rear panel
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
3.1.5 Remove the main board (See figure 8, figure 9)
• Prior to performing the following procedure, remove the top
cover, drive unit, HDD.
(1) 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 connector CN5001 on the
main board.
(5) Remove the six screws Iattaching the main board.
(6) Remove the seven screws Jattaching the rear panel with
main board.
(7) Remove the one screw Kattaching the tuner.
Fig.8
Fig.9
3.1.6 Remove the display board (See figure 10)
• Prior to performing the following 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 Lattaching the display board.
Fig.10
Display board
CN5001
I
I
I
I
CN5303
Main board
I
ICN7001
CN4001
CN1101
CN1102
CN4103
Digital board
CN3004
JJ Rear panelK
Display board
CN7001
LL
1-8 (No.YD089B)
3.2 DVD Drive unit section
3.2.1 Remove the top cover and tray (See figure 1, figure2, figure3, figure4)
(1) The part aon the reverse side of a DVD drive unit is made
to slide in the direction of an arrow. (A tray ejects a few.)
(2) Remove the four screws Aattaching the top cover.
(3) Hooks bare removed, and the top cover is removed.
(4) The tray is drawn out forward.
(5) Remove the two screws Battaching the shaft guide, and
hook cis removed.
(6) It draws it out while lifting the tray in the direction of the ar-
row.
Fig.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
3.2.2 Reassembly 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 side 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
3.2.3 Remove the traverse mechanism assembly (See figure 6, figure 7)
• Prior to performing 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 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 Cattaching the traverse mecha-
nism assembly.
Fig.6
Fig.7
Slide cam
Shaft guide
C
C
C
Traverse mechanism assembly
Pick-up unitConnector
CN102
CN103
CN104
CN105
Hook d Hook d
Servo control board
D D
1-10 (No.YD089B)
3.2.4 Remove 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 Dattaching the servo control
board.
(3) Hooks dis removed, and the servo control board is re-
moved.
3.2.5 Remove the loading motor (See figure 8, figure 9)
• Prior to performing the following procedure, remove the top
cover, tray.
(1) Remove the solder part esoldered on the switch board.
(2) A belt is removed.
(3) Remove the two screws Eattaching the loading motor.
Fig.8
Fig.9
Part e Switch board
Loading
motor
EBelt
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