Daewoo DTL-29U8ZLP Manuel utilisateur

Service Manual

Colour Television 68 Cm / 66 Cm WIDE STEREO

CHASSIS :CP-810F / WP-811F

DAEWOO ELECT RONICS CO.,LTD

http://svc.dwe.co.kr

Apr. 2002

MODEL :DTL-29U8ZLP / DTL-29U8ZLS

DTL-29U8ZZP / DTL-29U8ZZS

DWL-28W8ZLP / DWL-28W8ZLS

DWL-28W8ZZP / DWL-28W8ZZS

S/M No: CP810WP811

Specifications

WP-811F CP-810F

THOMSON

28" FLAT : W66EJY011X121 29" FLAT : A68EJZ011X121

SAMSUNG

28" FLAT : W66QDE993X ... 29" FLAT : A68QCP893X ...

SYSTEM

Main Voltage

Power Consumption

Sound Output

Speaker

Antenna Impdeance

Tuning System

Tuner

Number of Program

Aux. Terminal

Remote Controller

Teletext

OSD Language

R-22D06 with 2 "AAA" type batteries

TOP(5 Page memory) & FLOF(7 Page memory)

- West option : English, German/Dutch/Flemish, French, Italian, Spanish/Portuguese,

Swedish/Finnish/Danish, Hungarian, Rumanian, Turkish

- West : English, German, French, Italian, Spanish, Nethelands, Swedish

75 ohm unbalanced input (Din Standard)

Frequency Synthesize(FS) Tuning System

UV1316/A(Philips), DT5-BF18D(Partsnics), EL2782-105-B(Siel)

100 programs

12W 8ohm x 2 EA

CRT

21 pin EURO-SCART jack (AV input, TV output, RGB input)

21 pin EURO-SCART jack (AV input, S-VHS input)

RCA type AV input jack

S-VHS jack

Headphone jack

PAL/SECAM-B/G,D/K,PAL-I/I',SECAM-L/L' NTSC-3.58/4.43 (Play back)

230V AC, 50Hz

Stand-by mode : 2.0Watts

Normal operating mode : 120 Watts

10 + 10 Watts, 10% THD at RF 60% mod. (1kHz)

✔

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).

TABLE OF CONTENTS

SAFETY INSTRUCTION .................................................................................................................. 2

SPECIFICATIONS ............................................................................................................................ 3

CIRCUIT BLOCK DIAGRAM ........................................................................................................... 4

ALIGNMENT INSTRUCTION ........................................................................................................... 5

SCHEMATIC DIAGRAM .................................................................................................................. 12

EXPLODED VIEW ............................................................................................................................ 14

PRINTED CIRCUIT BOARD ............................................................................................................ 16

SERVICE PARTS LIST .................................................................................................................... 19

APPENDIX (" Appendix is provided only by internet [http://svc.dwe.co.kr] ")

IC DESCRIPTION ............................................................................................................................. 1

IC DC VOLTAGE CHARTS .............................................................................................................. 18

SAFETY INSTRUCTION

WARNING

: Only competent service personnel may carry out work involving the testing or repair of this equipment

1. Excessive high voltage can prodece potentially haz-

ardous X-RAY RADIATION. To avoid such hazards,

the high voltage must not exceed the specified limit.

The nominal value of the high voltage of this receiver is

29-31kv at max beam current. The high voltage must

not, under any circumstances, exceed 35kv. (33kv :

SAMSUNG CRT)

Each time a receiver require servicing, the high volt-

age should be checked. It is imprortant to use an accu-

rate and reliable high voltage meter.

2. The only source of X-RAY Radiation in this TV receiver

is the picture tube. For continued X-RAY RADIATION

protection, the replacement tube must be exactly the

same type tube as specified in the parts list.

X-RAY RADIATION PRECAUTION

1. Potentials of high voltage are present when this

receiver is operating. Operation of the receiver outside

the cabinet or with the back board removed involves a

shock hazard from the receiver.

1) Servicing should not be attempted by anyone who is

not thoroughly familiar with the precautions neces-

sary when working on high-voltage equipment.

2) Dischange the high potential of the picture tube

before handling the tube. The picture tube is highly

evacuated and if broken, glass fragments will be

violently expelled.

2. If any Fuse in this TV receiver is blown, replace it with

the FUSE specified in the Replacement Parts List.

3. When replacing a high wattage resistor ( oxide metal

film resistor ) in circuit board, keep the resistor 10mm

away from circuit board.

4. Keep wires away from high voltage or high tempera-

ture components.

5. This receiver must operate under AC230 volts, 50Hz.

NEVER connect to DC supply or any other power or

frequency.

SAFETY PRECAUTION

Many electrical and mechanical parts in this have

special safety-related characteristics. These charac-

teristics are often passed unnoticed by a visual

inspection and the X-RAY RADIATION protection

afforded by them cannot necessarily be obtained by

using replacement components rated for higher volt-

age, wattage, etc. Replacement parts which have

these special safety characteristics are identified in

this manual and its supplements, electrical compo-

nents having such features are identified designated

symbol on the parts list.

Before replacing any of these components, read the

parts list in this manual carefully. The use of substitute

replacement parts which do not have the same safety

characterisitics as specifide in the parts list may create

X-RAY Radiation.

PRODUCT SAFETY NOTICE

PIN Signal Designation Matching Value

1Audio Out (linked with 3) 0.5Vrms, Imp < 1 k (RF 60% MOD)

2Audio In (linked with 6) 0.5Vrms, Imp < 10 k

3Audio Out (linked with 1) 0.5Vrms, Imp < 1 k (RF 60% MOD)

4Audio Earth

5Blue Earth

6Audio in (linked with 2) 0.5Vrms, Imp < 10 k (RF 60% MOD)

7Blue in 0.7Vpp 2dB, Imp 75

8Slow (Function) Switching TV : 0-2V, PERI : 9.5 - 12V, Imp > 10 k

9Green Earth

10 NC

11 Green In 0.7Vpp 2dB, Imp 75

12 NC

13 Red Earth

14 Rapid(Blanking) Switching Earth

15 Red In, C In 0.7Vpp 2dB, Imp 75

16 Rapid(Blanking) switching Logic 0 : 0 - 0.4V, Logic 1 : 1 - 3V, Imp 75

17 Video Earth

18 Rapid Blanking Earth

19 Video Out 1Vpp 2dB, Imp 75

20 Video In, Y In 1Vpp 2dB, Imp 75

21 Common Earth

SPECIFICATIONS

CIRCUIT BLOCK DIAGRAM

SVM

S-CORRECTION

LINE FILTER

[LF-24A3]

SMPS IC

[STR-F6656]

SMPS TRANS

[TSM-5345B8

14V

+14V

-14V

+15V

-15V

143V

[1372.0078]

ALIGNMENT INSTRUCTIONS

User Remocon

1. R-22D06

TV................................TXTTV...................................TXT

VOLUME...............VOLUME

MENU.......................MENU

POWER.................POWER

DOWN ..................DOWN

(CURSOR LEFT)

PR UP..........................PAGE UP

(CURSOR UP)

VOLUME UP...........VOLUME UP

(CURSOR RIGHT)

PR DOWN..............PAGE DOWN

NORMAL .................... Not used

A V .............................. Not used

TXT ............................. Not used

Not used ...................... INDEX

Not used ...................... C

Zoom ..................Double Window

SOUND ....................... Not used

MODE

MUTE .......................... MUTE

(CURSOR DOWN)

Not used ....................... Size

Not used ....................... Y

EFFECT ....................... Not used

R-22D06

SLEEP...................Not used

Not used................CANCEL

Not used................... HOLD

RECALL...............SUBPAGE

STILL......................REVEAL

Not used ..........................R

Not used ..........................G

PR ......................... PAGE

NUMBER NUMBER

0-9 0-9

* How to Enter the “ Service Mode ” with user remocon.

1) Set the TV Pr 91

2) Sharpness “ MIN “ control.

3) Push the Red, Green, Menu buttons in regular sequency within 5 seconds after setting TV power off.

4) You can see the Menu of “ service mode “ on the screen.

5) The PR UP/DOWN buttons on the remote controller are used to move the selection bar up or down the Menus.

6) The VOL UP/DOWN buttons on the remote controller are used to adjust levels.

7) If you want to exit from “ Service Mode “ then power the TV off.

- You can see the SVC Menu by OSD in TV set.

Tuner is

Flat Option

Svm SVG

Svm SVD

Svm SVDEL

Svm SVCOR

Bcl Thres

Bcl Tc

Bcl Gain

Nor1 Bright

Nor1 Cont

Nor1 Color

Nor1 Sharp

Nor1 Tint

Nor2 Bright

Nor2 Cont

Nor2 Color

Nor2 Sharp

Nor2 Tint

Dolby3411

PHI

YES

015

003

004

008

378

030

240

038

058

035

030

032

040

035

030

025

032

YES

V. Slope

V. Center

V. Size

S. Curve

H. Center

H. Width

EW. Para

EW. Cor Top

EW. Cor Low

EW.Sym

R. Bias

G. Bias

B. Bias

R. Drive

G. Drive

B. Drive

G2 Adjust

Sub bright

Double TEXT

Wide Option

000

906

203

025

-157

090

365

030

020

025

400

452

430

350

287

272

960

000

776

SVC v1

ALIGNMENT INSTRUCTIONS

Alignment Instructions for WP-811F/CP-810F Chassis

1PAGE

DWL-28W8ZLP DWL-28W8ZLS DTL-29U8ZLP DTL-29U8ZLS

V. Slope 000 000 000 006

V. Center 030 026 906 896

V.Size 237 062 203 041

S.Curve 024 024 025 029

H.Center -145 -143 -157 -151

H.Width 105 084 90 029

EW.Para 419 442 365 404

EW.Cor Top 007 023 030 034

EW.Cor Low 009 022 020 018

EW. Sym 011 000 025 000

R Bias 400 400 400 400

G Bias 451 451 452 452

B Bias 437 437 430 430

R Drive 350 350 350 350

G Drive 278 278 287 287

B Drive 267 267 272 272

G2 Adjust 960 960 960 960

Sub Bright 000 010 000 010

Double TEXT 776 776 776 776

Wide Option YES YES NO NO

2PAGE

Tuner Is PHI PHI PHI PHI

Flat Option YES YES YES YES

Svm SVG 015 024 015 024

Svm SVD 003 002 003 002

Svm SVDEL 004 002 004 002

Svm SVCOR 008 015 008 015

Bcl Thres 378 378 378 378

Bcl Tc 030 030 030 030

Bcl Gain 240 240 240 240

Nor1 Bright 038 038 038 038

Nor1 Cont 058 058 058 058

Nor1 Color 035 035 035 035

Nor1 Sharp 030 030 030 030

Nor1 Tint 032 032 032 032

Nor2 Bright 040 040 040 040

Nor2 Cont 035 035 035 035

Nor2 Color 030 030 030 030

Nor2 Sharp 025 025 025 025

Nor2 Tint 032 032 032 032

Dolby 3411 YES YES YES YES

ALIGNMENT INSTRUCTIONS

AFT

Standard B/G, D/K, Iand L

1) Set a Signal Generator with

- RF FREQUENCY = 38.9 MHz,

- RF OUTPUT LEVEL = 80 5dBuV

- Pattern = Color Bar

- System = PAL-B/G

2) Connect the Signal Generator RF Output to TP2 (Tuner IF Output).

There must be no signal input to the tuner.

3) Set the L103 to TP1(I101, #22) with DC Voltage to 2.5V 0.1V

AGC

1) Set a Pattern Generator with RF LEVEL "63dBuV(Philips, Siel) / 70dBuV(Partsnic)",

RF Frequency 487.25MHz(23CH), Pattern Color Bar.

ALIGNMENT INSTRUCTIONS

2) Connect a OSCILLOSCOPE PROBE to P101 (TUNER AGC INPUT).

3) Set the RBO2 to P101(Tuner AGC Input) with DC Voltage to 3.0V 0.1V

SCREEN (G2)

1) Set a Pattern Generator with - RF Frequency : 210.25MHz (10CH)

- Pattern : RETMA

2) Select the “G2” in Menu

3) And a Horizontal Line will appear on the screen.

4) Adjust the SCREEN VOLUME on FBT barely to see the Horizontal Line.

5) Press the PR UP/DOWN keys to finish the SCREEN adjustment.

FOCUS

1) Apply a RETMA PATTERN signal.

2) Adjust the FOCUS VOLUME on FBT to obtain optimal resolution.

GEOMETRY

1. VERTICAL SLOPE ( Fixed : Adjust if need be )

1) Apply a RETMA PATTERN Signal.

2) Set the TV to Normal I mode.

3) Adjust the higher semicircle and the lower semicircle to be the same, with the V.Slope

by volume Up/Down keys.

2. VERTICAL CENTER

1) Apply a RETMA PATTERN Signal.

2) Set the TV to Normal I mode.

3) Adjust the center of the picture with the V.Center by volume Up/Down keys.

3. VERTICAL SIZE

* The VERTICAL CENTER adjustment has to be done in advance.

1) Apply a RETMA PATTERN Signal.

2) Set the TV to Normal I mode.

3) Adjust the VERTICAL SIZE of the picture with the select V.size by

volume UP/DOWN keys.

4. VERTICAL S-CORRECTION ( Fixed : Adjust if need be )

1) Apply a CROSSHATCH PATTERN Signal.

2) Adjust the S-CORRECTION to obtain the same distance between

horizontal lines with the S.Curve by volume UP/DOWN keys.

5. HORIZONTAL CENTER

1) Apply a RETMA PATTERN Signal.

2) Adjust picture centering with the select H.Center by volume UP/DOWN keys.

1. WIDTH

1) Apply a RETMA PATTERN Signal.

2) Adjust the horizontal width to make a perfect circle with the select H.Width

by volume UP/DOWN keys.

2. PARA

1) Apply a CROSSHATCH PATTERN Signal.

2) Adjust the vertical line to straight with the select E.W Para by volume

UP/DOWN keys.

3. CORNER ( Fixed : Adjust if need be )

1) Apply a CROSSHATCH PATTERN Signal.

2) Adjust the vertical line to straight with the select EW.Cor T by volume

UP/DOWN keys.

4. SYMMETRY ( Fixed : Adjust if need be )

1) Apply a CROSSHATCH PATTERN Signal.

2) Adjust the symmetrical balance to be suitable with the select EW Sym by

volume UP/DOWN keys.

ALIGNMENT INSTRUCTIONS

Ce manuel convient aux modèles suivants

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