Daewoo DW-K3AD2N-DS User manual

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
SPECI ICATIONS..............................................................................................................................................3
BLOCK DIAGRAM.............................................................................................................................................9
SCHEMATIC DIAGRAM ..................................................................................................................................18
WAVE ORMS ..................................................................................................................................................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
SPECI ICATIONS
3
SPECI ICATIONS
DVD Recorder Specification Sheet(Preliminary)
CHILE
BS
MT /SONY TRAVERSE
Broadcast System NTSC O (TV System) PAL X
PAL-M/NTSC X PAL-N/NTSC X
Regional Code Region Code 4 Playable isc V (PAL) O Format V (NTSC) O
AU IO-C (C - A) O C -R/-RW O MP3 ecoding O MP3 I 3 Tag X V +R/+RW O V -R/-RW(Video Mode) O V -RAM X VI EO-C (2.0) O SVC O WMA X WMV X JPEG O
O
Kodak Picture C ivX X V -Audio X SAC X H C X
Recordable isc V R/ RW O
V -RAM X C -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
MT /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
VI EO Video AC 8bit
Progressive scan O
AU IO Audio AC 96 kHz / 24 bit
2CH ownmixed Audio Out O
O
Karaoke Virtual surround sound O dts Support( TS pass through) O dts ecoding X olby igital ecoder Built in O
File Management Menu isplay Thumbnail(Title) O & Editing Thumbnail Change O Not supported to DVD+R after finalization
Title (append, divide, erase) Append X
ivide O Erase O Not supported to DVD+R
Auto Chapter Making(OFF, 5min, 10min, 15min) O Not supported to DVD+R after finalization Manual Chapter Making / elete 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 isc(On/Off) ONot supported to V +R
MAIN SOLUTION
Remarks
REGION(SALES AREA)
BUYER
MODEL(BUYER) DW-R631

6
SPECI ICATIONS
5
SPECI ICATIONS
DVD Recorder Specification Sheet(Preliminary)
CHILE
BS
MT /SONY TRAVERSE
Convenience Zoom O
Marker X Marker search X Closed Caption X Resume O Initial Logo O Screen Saver X Parental Lock O Subtitle Still O Auto Play O Program Play (Favorite Program) X Random Play O
O
PBC On/Off X VCD 2.0 Only x2 Audio( igest) X JPEG Play w/ MP3 Play x2 Soft scan X Scan(Fwd/Rev) OX2,X4,X8,X16,X32 Slow(Fwd) OX1/2,X1/4,X1/8,X1/16 Slow(Rev) OX1/2,X1/4,X1/8,X1/16 Time Shift(Play & Rec) X EPG X V Camcorder Control O Repeat Play Mode Chapter / Title / Track O CD-DA(Track)/DVD
All O CD-DA A-B O
Initialize V ROabout 30 sec
V ±RW Oabout 30 sec
Finalize V ±R,-RW OBy menu
V +RW Xcompatible without finalization
MAIN SOLUTION
Remarks
REGION(SALES AREA)
BUYER
MODEL(BUYER) DW-R631
DVD Recorder Specification Sheet(Preliminary)
CHILE
BS
MT /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 OS 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 Lock X Auto immer O Power Off Mode
OTHER SPECIFICATION

8
7
SPECI ICATIONS
DVD Recorder Specification Sheet(Preliminary)
CHILE
BS
MT /SONY TRAVERSE
Front panel
isplay LED Power On/Off O Open/Close O Play/Pause O Stop O PREV O NEXT O REC O Channel Up O Channel own O Front AV input O S-Video input X PCMCIA X Multi Memory Card Slot X USB X V Terminal(Input,1394) O
Rear Panel Analog Audio Out & Component Pair Analog Audio Out O
Analog Audio Input O 1EA
X
igital Audio Out Optical X
Coaxial O
igital Audio Input Optical X
Coaxial X
Video out Composite O
S-Video O Component RCA type(Y/Pb/Pr) O
olby igital 5.1 ch Out
MAIN SOLUTION
Remarks
REGION(SALES AREA)
BUYER
MODEL(BUYER) DW-R631
DVD Recorder Specification Sheet(Preliminary)
CHILE
BS
MT /SONY TRAVERSE
MAIN SOLUTION
Remarks
REGION(SALES AREA)
BUYER
MODEL(BUYER) DW-R631
igital Video Out VI X
H MI X IEEE1394 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 isc( V +RW) X A/V RCA Cable O Coaxial Cable X Optical Cable X S-Video Cable X RF Cable O Battery(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 imension Set (WXHX ) 420 x 50 x 322
Box (WXHX )
Weight Net Aprox. 3kg
Aprox. 3.9kg
Gross
3 OR 4CH
SPECI ICATIONS

9
BLOCK DIAGRAM
5
5
4
4
3
3
2
2
1
1
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)

10
BLOCK DIAGRAM
MT8105
MPEG2 CODEC
TSB41AB1
CS5340
Audio ADC
REMOCON
RECIEVER
DDRAM(256M Bit) FLASH 16M Bit
CS4344
Audio DAC
MT1888E
DSP + RF 2 M 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

11
BLOCK DIAGRAM

12
BLOCK DIAGRAM

13
BLOCK DIAGRAM
P201
P201
IC201
A-SW(NJM4052BM)
IC101

14
BLOCK DIAGRAM
MT8105 CODEC
ICN01
MT8105GE
MPEG2 CODEC
MICOM
12
IR
221
24.576 MHz
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

15
BLOCK DIAGRAM
ICF01
MT1888E
DSP + RF
OPU
ICF02
SDRAM
RA[0..10]
&
RD[0..15]
184 185
CKE
CLK
34 35
FR+ FR -
TR+ TR -
TILT+ TILT -
HB+ HB -
HW+ HW -
HV+ HV -
HU+ HU -
A+ A -
B+ B -
MT1888E DSP + RF
APDD[0..15]
MT8105 CODEC
ICF08(BD7956)
Motor Driver
[ INA..INH]
RFIP RFIN
[TRINA..
TRIND]
LVDS[1..4]
68 MHz
25 MHz
7.5 MHz
RESET# 92
+3 V3 ON/OFF 25 MHz
Crystal
FOO TRO FMO FMO2 DMO
TRAYPWM PWMOUT FG

16
BLOCK DIAGRAM
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
137
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

17
BLOCK DIAGRAM

18
SCHEMATIC DIAGRAM

19
SCHEMATIC DIAGRAM

20
SCHEMATIC DIAGRAM

21
SCHEMATIC DIAGRAM

22
SCHEMATIC DIAGRAM

23
SCHEMATIC DIAGRAM