Service Manuals, User Guides, Schematic Diagrams or docs for : Daewoo DQD DQD-2112 & 6112 & 2212 & 2312 DQD-2112 & 6112 & 2212 & 2312
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S/M No. : VD2112TET0
Service Manual
VE1.0 DVD PLAYER
* Refer to the Model list of page 71.
Caution
: In this Manual, some parts can be changed for improving, their
performance without notice inhttp://svc.dwe.co.kryou need the
the parts list. So, if Feb.2003
latest parts information,please refer to PPL(Parts Price List) in
Service Information Center (http://svc.dwe.co.kr).
http://svc.dwe.co.kr Feb.2003
CONTENTS
EXTERNAL VIEWS .........................................................................................................2
1. FRONT VIEWS ........................................................................................................................ 2
2. REAR VIEWS............................................................................................................................2
SPECIFICATIONS ...........................................................................................................3
CIRCUIT DIAGRAM....................................................................................................................4
CIRCUIT OPERATIONAL DESCRIPTION ...............................................................................14
TROUBLE SHOOTING ..............................................................................................................29
WAVEFORMS............................................................................................................................39
COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW ............................................43
DISASSEMBLY .........................................................................................................................45
ELECTRICAL PARTSLIST.........................................................................................................54
1
EXTERNAL VIEWS
1. FORNT VIEWS ( Refer to the Model list of page 71)
1)DQD-2112 Series(PANEL: 1, 2CH)
2)DQD-6112 Series(PANEL: 1, 5.1CH)
3)DQD-2212/DQD-6212 Series(PANEL:2)
4)DQD-2312/DQD-6312 Series(PANEL:3)
2. REAR VIEWS
1) PAL System Series
AUDIO OUT (5.1 CH) VIDEO OUT AUDIO OUT
DIGITAL AUDIO OUT
EURO AV
2) NTSC System Series
AUDIO OUT (5.1 CH) AUDIO OUT (2 CH)VIDEO OUT
DIGITAL AUDIO OUT
2
SPECIFICATIONS
1. Prodcut features
- Over 500 resolution of horizontal frequency
- Disc playback of DVD, VCD, CD, CD-R, CR-RW
- Dolby Digital decoding
- 5.1ch Analog signal output
- DTS output
- Screen zoom function
- Special playback function(slow playback/fast playback)
- NTSC Type : Component output(Y, Pb, Pr)
- PAL Type : RGB output
2. Specifications
Basic spec orizontal frequency over 500 resolution
available disc DVD, CD, VCD, CD-R, CD-RW, DVD-R
Audio Dolby Digital Analog 5.1ch output and digital output
DTS Digital output
Convenience Screen zoom function OK
Special playback function OK
MP3 playback function OK
Connecting terminal Video terminal Composite terminal : 1 unit
Component terminal : 1 unit(NTSC only)
S-Video terminal : 1 unit
Audio terminal 2ch terminal : 1 unit
5.1ch terminal : 1 unit
Optical terminal : 1 unit
Coaxial terminal : 1 unit
Size 420x65x250 (WxHxD) Module : mm
3
CIRCUIT DIAGRAM
POWER SUPPLY SCHEMATIC DIAGRAM(230V Series)
4
CIRCUIT DIAGRAM
POWER SUPPLY SCHEMATIC DIAGRAM(110V Series)
5
CIRCUIT DIAGRAM
AUDIO_VIDEO
6
CIRCUIT DIAGRAM
FRONT (VFD)-PANEL:1,2
7
CIRCUIT DIAGRAM
FRONT (LED)-PANEL : 3
8
CIRCUIT DIAGRAM
A5V1 A5V
1
R1
10(1/8W)
RFP C4
A5V
1
C5 473K
EC2 + 273K R2
C6 R3
220u/10V 1M C7 1M C8
104 C10 561 561
104K
AGND RFENV
BDO
C11 OFTR
HOP1200 FOP 104
FON C12
TRN VREF2 NONE
VREF1
TRP AGND
C13
CN1 104
G F055-24S-LSS
MDVD VREF1 RFOUT
TRK(-) 24
1
23 +
TRK(+) C14 VREF2 VHALF ARFN ARFP
48
47
46
45
44
43
42
41
40
39
38
37
35
34
22 EC3
FOK(-)
1
1
1
1
21 100u/10V 104
FOK(+) C15
20
RFINP
RFINN
RFDIFO
RFC
PEAK
OFTR
MPD(DVD)
BDO
DCRF
RFENV
TESTSG
RFOUT
AGCO
AGCG
BOTTOM
19 R5 470 392K
HFM_Vcc R6 100 C16 AGND
VR(DVD) 18
17 49 32 AGND
GND(DVD) 561 VIN5 DCFLT
LD(DVD) 16 50 VIN6 DFLTOP 31 ARF+
LD(CD) 15 51 VIN7 DFLTON 30 ARF-
14 C17 52 29
VR(CD) R7 100 C36 VIN8 VHALF VHALF
GND(CD) 13 221 A D C B 53 VIN9 VREF2 27 VREF2
12 NONE C18 104 54 24
MPD(CD) C19 104 VIN10 MON
11
GND
10 56
U1 25 C20
C21
RF VREF1 AGCIVI VHALF + 104 +
9 57 104
C
B 8 58
VIN1
VIN2
AN8703FH AGCOFFST 23
7 59 22 EC4 EC5
A VIN3 FEOUT NONE 100u/10V
D 6 60 VIN4 FEN 21
F 5 ASOUT 20
4 R8 5.6K 62 19 AGND AGND
E R9 5.6K 63 VIN11 AGCBAL
Vcc 3 VIN12 TEOUT 18 FE
Vref 2 64 HDTYPE TEN 17
STANBY
1 C22 C23
LPCO1
LPCO2
TGBAL
POFLT
JLINE
STDIO
GND E F AS
LPC1
LPC2
FBAL
RSCL
TBAL
DTRD
IDGT
104 104
SEN
SCK
MCD VHALF
1 DN TE
1
1
PINDVD
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
L1 JLINE
C37 FI-B202-102K
1 R10 NONE R11
R12 NONE
NONE C25
A5V 24K,F NONE
221
C24
A5V R14 + EC6
1 CN 10(1/8W) C26 AGND
100u/10V A3.3
V
1
R13 104 CPUDTIN
C27
R15 + EC7 10(1/8W) SCK
104 2 FESEN
22(1/8W)
L2 SLEE P
100u/10V Q1 FI-B202-102K
1
R16
1
DP
3
2SA1036KR
1
10(1/8W)
2 R17 27K
FBA L
Q2 R18 27K
1 TBAL
2SA1036KR
CP
3
PINCD
1
1
1
AGND
VHALF A12V A5V TBAL FBA L
C28 EC8 + C29 + C30
104 FON 220u/16V 104 104 FOP TRN TRP TRSDRV SPDRV
EC9
U2 A3.3
V A5V
100u/10V
FON 1 VOFCN VOFCP 28 FOP
R19 39K 2 27
TRDRV R20 100K TRSO GND C38 C1
3 OPOUT VOTKN 26 TRN
R 21 100K 4 25 104 104 C3
TRAY R22 100K OPN VOTKP TRP C2
5 24 104 104
OPP PVCC1 R23 39K
AN8 785
C31 6 23 FODRV
TRDI R24 VREF FOSO
7 D2OUT SVCC 22
180P TRDO 100K
29 30 FODO FODI
TR_IN GND GND
TR_OUT VHALF R25 6.8K AGND AGND
8 SW VINTK 21 TRSDRV
AD5 AD6 R26 24K 9 20 R27 3.3K
Sled Motor 1 VINLD DMSO SPDRV
2 10 PVCC2 PVCC3 19
LO ADP 11 18
3 LOADN VOLDP VOLDN
4 12 VOLDN VOLDP 17
Loading Motor R 29 300K 13 16
5 AD5 VOSLP MUTE DMUTE
R 30 300K 14 15
6 AD6 VOSLN GND C32
7 C35 R28
Spindle Motor 8 SPOP SPO N 180P TRVN TRVP
9 104 47K
CN3 R 32 100K
GIL-
S-9P-S2T2-EF R 31 100K
VHALF
9
CIRCUIT DIAGRAM
SERVO DSP
HD[0..7] R201
HD[0..7] HD-ERROR
1.5K VHALF
MPEG HD-EN MPEG
2 HD0
3 HD1
4 HD2
1 HD3
2 HD4
3 HD5
4 HD6
1HD7
HD-CLK MPEG
2
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