Daewoo DLT-19W4 Manuale utente

S/M NO. : DSL150TP00

Service Manual

19”,20”,22” LCD TV

CHASSIS: SL-150T/150P

Model: DLT-19W4 / DLP-19W4

DLT-22W4 / DLP-22W4

DLT-20J1 / DLP-20J1M

DLT-20J3 / DLP-20J3M

DLT-20J9 / DLP-20J9M

DLT-19L1 / DLP-19L1

DLT-19L2 / DLP-19L2

DLT-22L1 / DLP-22L1

DLT-22L2 / DLP-22L2

Caution:

In this manual some parts can be changed for improving. Their

performance without notice in the parts list. So, if you need the lat-

est parts information, please refer to PPL(Parts Price List) in Service

Information Center.

JAN. 2008

I. Parts with the exception of MODULE

1. Safety Precaution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2

2. Product Speciﬁcation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

3. Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

4. Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6

5. PCB Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

6. Trouble Shooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

7. Service Part List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30

8. Diﬀerent part list for models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38

9. Electrical Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48

10. Out Line. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54

11. Exploded View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58

12. Software Install & Upgrade. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

13. SVC keys function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .73

* Remarks

Points from 3 show data for DLT models.

For DLP models diﬀrent part list for models (point 8) must be used.

Contents

1. Safety Precautions

(1) When moving or laying down a LCD Set, at least two people must work together. Avoid any

impact towards the LCD Set.

(2) Do not leave a broken LCD Set on for a long time. To prevent any further damages, after

checking the condition of the broken Set, make sure to turn the power (AC) oﬀ.

(3) When opening the BACK COVER, you must turn oﬀ power (AC) to prevent any electric

shock.

(4) When loosening screws, check the position and type of the screw. Sort out the screws and

store them separately for reassembling. Because screws holding PCBs are working as elec-

tric circuit grounding, make sure to check if any screw is missing when assembling / reas-

sembling. Do not leave any screws inside the set.

(5) A LCD Set contains diﬀerent kinds of connector cables. When connecting or disconnecting

cables, check the direction and position of the cable beforehand.

(6) Connect/disconnect the connectors slowly with care especially FFC (ﬁlm) cables and FPC

cables. Do not connect or disconnect connectors instantaneously with force, and handle

them carefully for reassembling.

(7) Connectors are designed so that if the number of pins or the direction does not match,

connectors will not ﬁt. When having problem in plugging the connectors, check their kind,

position, and direction.

2. Product Speciﬁcations

Model DLT-19W4 / DLP-19W4 DLT-20Jx / DLP-20JxM DLT-22W4 / DLP-22W4

Screen Size 480mm (diagonal) 510.54mm (diagonal) 558.673mm (diagonal)

Display Colour 16.7 M

Aspect Ratio 16:10 4:3 16:10

Resolution 1440 x 900 (WXGA+) 640 x 480 (VGA) 1680 x 1050 (WSXGA+)

Pixel Pitch 0.2835 x 0.2835 0.6375 x 0.6375 0.2835 x 0.2835

Contrast Ratio 1000:1 350:1 1000:1

Appearance

(W x H x D)

w/o stand 476.3 x 346 x 80 514 x 460 x 85 545.4 x 400 x 81

with stand 476.3 x 401.5 x 190 514 x 498 x 239 545.4 x 426 x 190

Weight

(Net)

w/o stand 4.9 Kg 7.0 Kg 5.6 Kg

with stand 5.2 Kg 8.0 Kg 5.9 Kg

Power Consumption 42W / 39W 52W / 49W 50W / 46W

Sound Output 2.0W + 2.0W

Terminals

AV IN : SCART, COMPOSITE VIDEO, AUDIO L/R,

COMPONENT, PC, HDMI

HEADPHONE : 3.5mm STEREO MINI-JACK

DIGITAL AUDIO OUT: Coaxial

ANT. IN : COAXIAL-TYPE

Reception Channel

VHF BAND I : CH2-CH4

BAND II : CH5-CH12

UHF HYPER BAND : SI’-S3’, S1-S20

BAND IV, V : CH21-CH68

PAL-B/G, D/K, SECAM-L/L’, NTSC(AV input only)

Power Source AC 220 ~ 240V, 50Hz

The follow-

ing picture

formats is

available:

RF, AV1, AV2

MODE

4:3, FULL SCREEN

WIDE, FULL SCREEN

4:3, FULL SCREEN

COMPONENT,

HDMI, PC FULL SCREEN

DVB-T MODE WIDE, FULL SCREEN

Resolution V-Freq DLT/P-19W4, 22W4 DLT/P-20J1, 20J3, 20J9 Remark

PC(D-Sub) HDMI PC(D-Sub) HDMI

640 x 480 60Hz o o o o

800 x 600 60Hz o o x x

1024x768 60Hz o o x x

1280x768 60Hz o x x x

1440 x 900 60Hz o x x x

PC Input resolution in LCD

Resolution V-freq DLT/P-19W4, 22W4 DLT/P-20J1, 20J3, 20J9 Remark

Component HDMI Component HDMI

720 x 480i 60Hz oxox

720 x 480p 60Hz o o o o

720 x 576i 60Hz oxox

720 x 576p 60Hz o o o o

1280 x 720p 50Hz o o o o

60Hz o o o o

1920 x 1080i 50Hz o o o o

60Hz o o o o

Multimedia input resolution table in LCD

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3. Block Diagram (Main)

* DLT model only

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Block Diagram (Power Lips)

4. Schematic Diagram (DLT-19W4, DLT-22W4)

Schematic Diagram (DLT-20J1, DLT-20J3)

Schematic Diagram

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