Daewoo DTQ - 20D5FS User manual

Service Manual
Color Television
CHASSIS :CN-220B/C
Model :DTQ - 20D5FS / FSP
DTQ - 20D5FC
S/M No. : TCN220NTEF0
JUL.2000
DAEWOO ELECTRONICS CO.,LTD
http ://svc.dwe.co.kr
MODEL
ITEM DTQ-20D5FS DTQ-20D5FSP 20D5FC
TV STANDARD NTSC-M
POWER INPUT 120V 60HZ 220V 60HZ
POWER CONSUMPTION 84W
TUNING SYSTEM Frequency Synthesizer (FS) Tuning System
TUNING RANGES
VHF : 2 ~ 13 (12)
UHF : 14 ~ 69 (56)
A~W, A- 5 ~ A-1, W + 1 ~ W + 84
SOUND OUTPUT 5W + 5W
SPEAKER 8 ohm 5W x 2EA
ANTENNA INPUT
IMPEDANCE 75 ohm Unbalanced
AUXILIARY INPUT
TERMINAL
Front : Video, Audio, Earphone
Rear: Video, Audio, (R,L)
INTERMEDIATE
FREQUENCIES
Picture IF Carrier Frequency : 45.75 MHZ
Sound IF Carrier Frequency : 41.25 MHZ
Color Sub-Carrer Frequency : 3.579545 MHZ
REMOTE CONTROL R - 40
SPECIAL FUNCTIONS
AV only PIP
ICONMENU TYPE
STEREO / SAP
3 - Language OSD
with Caption
SPECIFICATIONS
120V 60HZ
DTQ - 20D4AS
DTQ - 20D4ASP

5
CIRCUIT BLOCK DIAGRAM
VA H V
L R
SCL SDA
(1)
(2)
OSDRGB
(1)
(2)
TUNER DT5
-NF20F
u
-
COM IC
LC8632
40
SCL SDA
SOUND
SCL
SOUND
SDA
MAIN
IC
DCT814B
SCL
SDA RGB
SOUNDIC MSP3430G SCL SDA
Scre
en
FouseH.
V
.
FBT
HEATER
POWERIC 2SK2564
EEPROM IR SW1~ SW5
SAW FILTER
VIDEO
AMP
TDA
6
103Q
10V 28V
SOUND AMP TDA7266
IFDET. OUT TRAP
BPF
5V 9V
5V
X-RAY
SMPSTRANS
TSM-3541A5
DPM001T1(110V),
DP001T1A(
220V)
14V
5V
33V
VERTICAL LA784
1
HOR.OUTPUT 2
SD2499
DEFLECTION YOKE
OCP
26V 14V
9V 5V
EARPHONE
A/V IN 2
RF
220
V
PIP
IC
SDA9388 CVS SCL RGB SDA
A/V IN 1

12
EXPLODED VIEW
20 19
EPS 20D51PAD
4858193401
LDPE T0.03X1300X1000
1
BAG PE
4858211800
DW-3
1
CARTON BOX
4858055200
150 ART P/E FILM(C/TV)1SPEC PLATE
4855415800
HIPS BK
4852155601 4856214902
30X190 BK2
SCREW CRT FIXING AS
30X80 BK
2SCREW CRT FIXING AS
4856013300
PVC T1.0
4857618000
TT2 WAS 3X12 MFZN BK
SCREW TAPPTIE
TT2 WAS 3X12 MFZN BK
2
SCREW TAPPTIE
7128301212
CUAU+ABS BK
1
MARK BRAND
4855617500
20 19
18
14-3
14-2
17
16
15
14
10-1
10
10-1
9-1
9-1
4-1
9
8
7
5
10
6
14-1
13
12
9
PC BK
1
4856013302
2 1
CR T2.0
4856215402
1 5 TT2 TRS 4X14 MFZN BK
7172401412
4 1 1 14945801+5541201
4851915401
HIPS BK
4854945801
1 1 11 1 1 2 8
7128301212
1HIPS BK
4852073601
HIPS BK
4852326511
1SWPA PIE 0.5
4856716000
ABS BK 2326511+4856401+6716000 PMMA MILKY EGI T0.5
18
17
16-1
4855313101 4855541201 4852067101 4854856401 4852539601
16-1
16
15
14-3
14-2 14-1
14
13 12 11
10
9-1
9
8 7 6 5
4-1
4 3 2
1
COVER BACK SCREW TAPPTITE RUBBER CRT BUTTON CTRL BUTTON DECO SENSOR INSU PLATE SPEAKER MASK FRONT DECO COVER PANEL FRONT PANEL SPRING BUTTON POWER GRILL
11
4
3
2
1
MATERIAL REMARKS
MAIN PCB
PART NAME Q'tyPART CODENo

13
A48JLL91x50 M16
DC-20SF
CN-220C
58G0000146
4856013302
PTMPMSJ801
PTSPPWJ776
1
DEGAUSING COIL
15
3FELT T0.7 L=200CLOTH BLACK
4857817611
12
2
98
SPEAKER
3
PCSMOG
1 1EGI T0.5
GRILL R
4852539800
EGI T0.5
GRILL L
4852539700
1
1
1 4
ABSBK
SWRM
4 4
SPECIALSCREW
4856016100
1 1
30X190 BK
4856013302
150ART P/EFILM
4855415800
4
1
4
CR T2.0
4856214902
1
1
1
11
1 1
T2STRS 4X14MFZN
67122401411 8
T2STRS3X12 MFZN
7128301211
A1050P-H24 T2.0
4855615900
1
SWPAPIE 0.5
4856716000
ABSBK
HIPS BK
HIPS BK
4854945901 4852156201 4852067101
4854856601
4852326601
18 17
19
18 17
16
15 14 13
12
11
10
9 8 7 6
5
4
2
1-1
1
CRT
WASHERRUBBER
SPECPLATE
COVERBACK
MAIN PCBASSY
SCREWTAPPING SCREWTAPPING
BUTTON
MASK FRONT
MARK BRAND
SPRING
BUTTONPOWER
PANEL CTRL
16
14
13
11
10
7
6
5
3
2
MATERIAL REMARKS
SCREW CRT FIXING AS.
PART NAME Q'tyPART CODE
No
EXPLODED VIEW