Nov. 2006
Service Manual
DVD Recorder
MODEL : DW-K3AD2N-DS
DW-K3BD2N-DS
DW-R631/DW-R632
✔ Caution :
In this Manual, some parts can be changed for improving, their
performance without notice in the parts list. So, if you need the latest
parts information, please refer to PPL(Parts Price List) in Service
Information Center (http://svc.dwe.co.kr).
1
EXTERNAL VIEWS
2
EXTERNAL VIEWS............................................................................................................................................2
SPECIFICATIONS..............................................................................................................................................3
BLOCK DIAGRAM.............................................................................................................................................9
SCHEMATIC DIAGRAM..................................................................................................................................18
WAVEFORMS ..................................................................................................................................................33
VOLTAGE CHART ...........................................................................................................................................38
DISASSEMBLY................................................................................................................................................39
TROUBLE SHOOTING....................................................................................................................................43
PCB CIRCUIT BOARD ....................................................................................................................................56
ELECTRICAL PARTSLIST..............................................................................................................................64
CONTENTS
DW-K3AD2N-DS/DW-R631
DW-K3BD2N-DS/DW-R632
4
SPECIFICATIONS
3
SPECIFICATIONS
DVD Recorder Specification Sheet(Preliminary)
CHILE
BS
MTK/SONY TRAVERSE
Broadcast System NTSCO(TV System) PAL
X
PAL-M/NTSC
X
PAL-N/NTSC
X
Regional Code Region Code
4
Playable Disc DVD (PAL)
O
Format DVD (NTSC)
O
AUDIO-CD(CD-DA)
O
CD-R/-RWOMP3 Decoding
O
MP3 ID3 Tag
X
DVD+R/+RW
O
DVD-R/-RW(Video Mode)
O
DVD-RAMXVIDEO-CD(2.0)
O
SVCDOWMAXWMVXJPEG
O
O
Kodak Picture CD
DivXXDVD-Audio
X
SACDXHDCD
X
Recordable Disc
DVD R/ RWODVD-RAMXCD-R/-RW
X
GUI Graphic User interface
O VCR/DVD Unified UI
Graphic User interface(Speaker Setup)
X
Language
E/S/F
Initial Language
English
MAIN SOLUTION
DVD-RECORDER SPECIFICATION
Remarks
REGION(SALES AREA)
BUYER
MODEL(BUYER)
DW-R631
DVD Recorder Specification Sheet(Preliminary)
CHILE
BS
MTK/SONY TRAVERSE
Record Mode VR Mode ( +RW ) HQ(60 min)
O 4.7Giga DVD +R/RW dksc
( -RW, ±R After finalize ) SP(120 min)
O
EP(240 min)
O
SEP(480 min)
O
Video Mode HQ(60 min)
O
SP(120 min)
O
EP(240 min)
O
SEP(480 min)
O
VIDEO Video DAC
8bit
Progressive scan
O
AUDIO Audio DAC
96 kHz / 24 bit
2CH Downmixed Audio Out
O
O
Karaoke
Virtual surround sound
O
dts Support(DTS pass through)
O
dts Decoding
X
Dolby Digital Decoder Built in
O
File Management Menu Display Thumbnail(Title)
O
& Editing Thumbnail Change
O Not supported to DVD+R after finalization
Title (append, divide, erase) Append
X
DivideOErase
O Not supported to DVD+R
Auto Chapter Making(OFF, 5min, 10min, 15min)
O Not supported to DVD+R after finalization
Manual Chapter Making / Delete chapter mark
O Not supported to DVD+R after finalization
Chapter hide / unhide
O Not supported to DVD+R after finalization
Editing Title Name
O Not supported to DVD+R after finalization
Playlist/Playlist Name
O Not supported to DVD+R after finalization
Protecting Disc(On/Off)
O
Not supported to DVD+R
MAIN SOLUTION
Remarks
REGION(SALES AREA)
BUYER
MODEL(BUYER)
DW-R631
6
SPECIFICATIONS
5
SPECIFICATIONS
DVD Recorder Specification Sheet(Preliminary)
CHILE
BS
MTK/SONY TRAVERSE
Convenience Zoom
O
MarkerXMarker search
X
Closed Caption
X
ResumeOInitial Logo
O
Screen Saver
X
Parental Lock
O
Subtitle Still
O
Auto PlayOProgram Play (Favorite Program)
X
Random Play
O
O
PBC On/Off
X VCD 2.0 Only
x2 Audio(Digest)
X
JPEG Play w/ MP3 Play
x2 Soft scan
X
Scan(Fwd/Rev)
O
X2,X4,X8,X16,X32
Slow(Fwd)
O
X1/2,X1/4,X1/8,X1/16
Slow(Rev)
O
X1/2,X1/4,X1/8,X1/16
Time Shift(Play & Rec)
X
EPGXDV Camcorder Control
O
Repeat Play Mode Chapter / Title / Track
O CD-DA(Track)/DVD
All
O CD-DA
A-B
O
Initialize
DVD
R
O
about 30 sec
DVD±RW
O
about 30 sec
Finalize DVD±R,-RW
O
By menu
DVD+RW
X
compatible without finalization
MAIN SOLUTION
Remarks
REGION(SALES AREA)
BUYER
MODEL(BUYER)
DW-R631
DVD Recorder Specification Sheet(Preliminary)
CHILE
BS
MTK/SONY TRAVERSE
MAIN SOLUTION
Remarks
REGION(SALES AREA)
BUYER
MODEL(BUYER)
DW-R631
Timer Record
8PGM/1M
OTR(One toutch Timer Record)
O 30min (Max 8Hr)
Function OSD On/Off
O
CM Skip(30sec Skip)
X
VCR Plus+(North America)
X
ACSS(Auto Clock Setting System)
X Auto Setup
Tuner No Signal
O Warning message
Back-up
3 sec
Child LockXAuto Dimmer
O Power Off Mode
OTHER SPECIFICATION
DVD Recorder Specification Sheet(Preliminary)
CHILE
BS
MTK/SONY TRAVERSE
Front panel
Display
LED
Power On/Off
O
Open/Close
O
Play/Pause
O
StopOPREVONEXT ORECOChannel Up
O
Channel Down
O
Front AV input
O
S-Video input
X
PCMCIAXMulti Memory Card Slot
X
USBXDV Terminal(Input,1394)
O
Rear Panel
Analog Audio Out & Component Pair Analog Audio Out
O
Analog Audio Input
O 1EA
X
Digital Audio Out Optical
X
Coaxial
O
Digital Audio Input Optical
X
Coaxial
X
Video out Composite
O
S-VideoOComponent RCA type(Y/Pb/Pr)
O
Dolby Digital 5.1 ch Out
MAIN SOLUTION
Remarks
REGION(SALES AREA)
BUYER
MODEL(BUYER)
DW-R631
DVD Recorder Specification Sheet(Preliminary)
CHILE
BS
MTK/SONY TRAVERSE
MAIN SOLUTION
Remarks
REGION(SALES AREA)
BUYER
MODEL(BUYER)
DW-R631
Digital Video Out DVI
X
HDMIXIEEE1394
X
X
Video Input Composite
O
Component RCA type(Y/Pb/Pr)
Scart 1 (Composite/RGB Switchable)
X
Scart 2 (By-pass)
X
RF CH Switch
RF In
O
O
RF Out
O
Accessory RCU Tool
VR-FA2
Type
normal
Shuttle/Illumination
X
Bundle Disc(DVD+RW)
X
A/V RCA Cable
O
Coaxial Cable
X
Optical Cable
X
S-Video Cable
X
RF CableOBattery(Size "AAA")
O
Owners Manual Language
Spanish
Box Color
Power Narrow
AC100~240V,50/60Hz
Wide SMPS
X
Power Off Consumption
1.5W
Power Consumption
20W
Dimension Set (WXHXD)
420 x 50 x 322
Box (WXHXD)
Weight Net
Aprox. 3kg
Aprox. 3.9kg
Gross
3 OR 4CH
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
MICOM
IC601
TUNER
MTS
A-SW
IC103
NJM4052BM
BUFFER
RF101
IC
LA72702
IC
IC101
Q210
IC102
V-SW IC
(NJM4051BM)
C/S
S-CLOCK
S-IN
S-OUT
IIC_CLK IIC_DATA
IIC_CLK IIC_DATA
IIC_DATA
NORMAL_AUDIO
NORMAL_AUDIO
A-R A-L
RF_VIDEO
LINE1_VIDEO(FROM_JACK_701)
FOR_REC_VIDEO(FORM_DVD_PART)
LINE2_VIDEO(FROM_JACK_101)
LINE1_AUDIO(FROM_JACK_701)
FOR_REC_AUDIO(FORM_DVD_PART)
LINE2_AUDIO(FROM_JACK_101)
SIF
AUDIO_IN
CVBS
COMPONENT
S_VIDEO
PSCAN_DATA
FOR_REC_VIDEO
COMPOSIT
COMPONENT
S_VIDEO
JK101 JK201 JK203
TUNER
CVBS
IC201
OP_AMP_IC
AUDIO_OUT
FOR_REC_AUDIO
JK101
JK201
TUNER
AUDIO
SPDIF
JK201
JK202
IIC_CLK
AFT TV/VCR
TO_TUNER
4FSC(14.32MHz)
DVD_PART
BLOCK_DIAGRAM
MAIN_PART_BLOCK_DIAGRAM
FSC(3.58MHz)
MT8105
MPEG2 CODEC
TSB41AB1
CS5340
Audio ADC
REMOCON
RECIEVER
DDRAM(256M Bit) FLASH 16M Bit
CS4344
Audio DAC
MT1888E
DSP + RF
2M words
SDRAM
Actuator &
Sled motor &
driver
Pick - up head connector
Sled & spindle &
Tray connector
Spindle & tray
Motor driver
IDE interface
ADC data
DV 1394 INPUT
AUDIO R IN from analog board
AUDIO L IN from analog board
CVBS IN from analog board
ADC data
AUDIO R OUT to analog board
AUDIO L OUT to analog board
SPDIF OUT to analog board
CVBS OUT to analog board
COMPONENT OUT to analog board
S- VODEO OUT to analog board
Mpeg part BLOCK diagram
MT8105 CODEC
ICN01
MT8105GE
MPEG2 CODEC
MICOM
12
IR
221
24.576 MH z
Crystal
ICD01
phy chip
PHY_SCLK
PHY_CTL0
PHY_CTL1
PHY_D0
PHY_D1
PHY_LREQ1
ICM01
DDRAM
A_DQ[0..15]
&
A_RA[0..12]
100 149 148
A_CKE
A_CLK
A_CLK#
44 45 46
37
POWER_ON(L)_DVD
RESET#
206
92
27 MHz
Crystal
+3 V3 STBY
ICM03
FLASH
F_A[0..22]
&
F_D[0..7]
26 28 11
F_CE#
F_OE#
F_WR#
21 20 4
RST#
12
+3 V3 STBY
ICM04
EEPROM
6 5
81 80
SCL
SDA
APDD[0..15]
93
95
96
97
DV_RST#
SDATA - IN
SDATA - OUT
SCLK
S- CS
Power Board
MT1888E
DSP+RF
146 MHz
49 MHz
VIDEO Block Diagram
PHY_SCLK
ICN01
MT8105GE
MPEG2
CODEC
IDE INTERFACE
DV1394 IN
PD01
DV1394
27
28
29
30
TPB TPB+
TPA TPA+
2
3
4
5
ICD01
TSB41AB1
1394PHY
CHIP
1 37
RESET
CVBS IN
256
PC02
21
194
196
198
200
202
203
1
3
5
7
9
11
S-VIDEO Y OUT
S-VIDEO C OUT
CVBS OUT
Y OUT
Pb OUT
Pr OUT
204
78
77767574
2345
PHY_CTL01
PHY_CTL11
PHY_D0
PHY_D1
APDD0
~
APDD15
HD0
~
HD15
ICF01
MT1888E
Disc Controller Single
Chip
PF04(LOADER)
17
~
23
2
~
9
LVDS
ICM01
DDRSDRAM
ADR/CTL DATA
ADR/CTL DATA
ICF02
SDRAM
ADR/CTL DATA
ADR/CTL DATA
28
~
31
34
32
42
41
INA
~ IND
36
~
39
46
39
44
40
INE
~ INH