Daewoo DTR-29M5ME/MP/MT/MZ Bedienungsanleitung

Service Manual

COLOR TELEVISION

CHASSIS : CM-908/F

MODEL : DTR-29M5ME/MP/MT/MZ

DTR-29M6ME/MP/MT/MZ

DTR-29M7ME/MP/MT/MZ

DTR-29U1ME/MP/MT/MZ

DTR-29U5ME/MP/MT/MZ

MODEL TEXT PIP

ME O O

MP X O

MT O X

MZ X X

MODEL OPTION LIST

S/M No : TCM908FEF0

-1-

1. SPECIFICATIONS 2

2. SAFETY INSTRUCTION 3

3. CIRCUIT BLOCK DIAGRAM 4

4. ALIGNMENT INSTRUCTIONS 5

5. CM-907 TYPICAL SERVICE DATA 11

6. ELECTRICAL PARTS LIST 12

7. EACH MODEL PARTS LIST 20

8. SCHEMATIC DIAGRAM 21

9. PRINTED CIRCUIT BOARD 22

10. MECHANICAL EXPLODED VIEW AND PARTS LIST 25

11. IC DESCRIPTION 30

12. TROUBLE SHOOTING CHARTS 47

TABLE OF CONTENTS

ABLE OF CONTENTS

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

Items Model DTR-29M5ME/MP/MT/MZ

DTR-29M6ME/MP/MT/MZ

DTR-29M7ME/MP/MT/MZ

DTR-29U1ME/MP/MT/MZ

DTR-29U5ME/MP/MT/MZ

TV Standard Color system PAL/SECAM, NTSC-4.43(AV)

Sound system B/G, D/K, I

Rated Voltage AC 110-250V, 50/60Hz

Power consumption 105W

Sound Output Power 7W+7W

VHF-L : IC1-S6CH (43.25MHz~140.25MHz)

Channel Coverage VHF-H : IC1-S36CH (147.25MHz~423.25MHz)

UHF : S37-C57CH(431.25MHz~863.25MHz)

Tuning System FS Tuning System

Program No. Indication ON-Screen Display

Program Selection 200 Programs

Aux. Terminal AV input 1< RCA : Input, Scart (Option) : Input, Output >

AV Input 2 < SIDE >

DVD1, DVD2

OUTPUT< OPTION: TV OUT or Monitor OUT >

Remote Control Unit R44C07

Screen size 67.6Cm

-2-

1. SPECIFICATIONS

BEFORE SERVICING THIS CHASSIS READ THE “X-RAY RADIATION PRECAUTIONS”,

“SAFETY PRECAUTIONS” AND “PRODUCT SAFETY NOTICE” BELOW.

-3-

2. SAFETY INSTRUCTION

NOTE

X-RAY RADIATION PRECAUTIONS

SAFETY PRECAUTIONS

PRODUCT SAFETY

1. Excessive high voltage can produce potentially hazard-

ous 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

25kV(21”) at max beam current. The high voltage must

not, under any circumstances, exceed 27kV(21”). Each

time a receiver requires servicing, the high volt-age

should be checked. It is recommended the reading

of the high voltage recorded as a part of the service

recorded as a part of the service records. It is important

to use an accurate and reliable high voltage meter.

2. The only source of

X-RAY RADIATION

in this TV

receiver is the picture tube. For continuous RADIATION

protection, the replacement tube must be exactly the

same type tube as specified in the “PART LIST”.

1. Potentials of high voltage are present when this receiver

is operating. Operation of the receiver outside the

cabinet or with the back cover removed involves a

shock hazard from the receiver.

1) Servicing should not be attempted by anyone who is not

thoroughly familiar with the precautions necessary

when working on high voltage equipment.

2) Always discharge the picture tube to avoid the shock

harzard before removing the anode cap.

3) Discharge 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 will

the FUSE specified in the “PART 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 temperature

components.

5. This receiver must operate between AC 100-240

volts,50/60Hz. NEVER connect to DC supply or any

other power or frequency.

Many electrical and mechanical parts in this chassis have

special safety-related characteristics.

These characteristics 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 voltage, wattage,

etc.

Replacement parts which have these special safety char-

acteristics are identified in this manual and its supple-

ments, electrical components having such features are

identified by designated symbol on the “PART LIST”.

Before replacing any of these components, read the

“PARTLIST” in this manual carefully.

The use of substitute replacement part which do not have

the same safety characteristics as specified in the “PART

LIST” may created X-RAY RADIATION.

-4-

3. CIRCUIT BLOCK DIAGRAM

-5-

4. ALIGNMENT INSTRUCTIONS

1. SERVICE REMOCON & EEPROM PRESETTING DATA

1-1. SERVICE REMOCON : R-34SVC (S/N:48B3034SVC)

1-2. EEPROM PRESETTING DATA

KEY Name Details BARE NORMAL FLAT WIDE remark

PAL NTSC NT=PAL+xxx PAL NTSC PAL NTSC

S1 Heat-Run - - -

S2 Screen - - -

S3 Sound Test - - -

S4 Picture Test - - -

S5 BCL BCL THR - 150 150

BCL GAIN 12 12

WHITE PEAK ON ON

S6 Geometry V-CENTER 3930 3952 182 3640 3720 ADJUST DATA

V-SIZE 121 120 -1 145 150 137 142 ADJUST DATA

H-CENTER 82 83 1 740 82 ADJUST DATA

H-SIZE -160 -294 -134 740 530 650 ADJUST DATA

PARABOLA -160 -158 2 -102 -130 -71 ADJUST DATA

EW TRAPEZ 36 -3 -39 66 81

CORNER 120 120 0 90 90

H BOW 143 140 -3 -277 -232

H PARALL -2 -2 0 2 -14 ADJUST DATA

V LINEAR -3 -5 +2 1 7

S CORRECT -27 -27 0 -22 -18

S7 PIP P H POS 29 33 30

P V POS 9 27 26

P R/G/B Peak 150/150/150 65/65/65 65/65/65

P CONT 04 15 15

P BRIGHT 01 10 10

S8 WHITE R/G/B DRIVE 170/170/170 195/195/195 175/175/175

BALANCE R/G/B BIAS 40/40/40 80/80/80 80/80/80

S9 SUB BRI BRM 140 140 140 For SUB-Bright Adjust Reference

S10 NORMAL BRIGHT 32 32 32

DATA CONTRAST 58 63 63

COLOR 32 32 32

SHARPNESS 48 48 48

CORING 20 20

S11 OPTION PIP ME/MP:ON, MZ/MT:OFF

DIGIT.EYE ON ON OFF

TEXT SEL. OFF OFF

TELETEXT ME/MT:ON, MZ/MP:OFF

LARGE OFF ON ON

VID FRAME OFF ON ON

HOTEL VOL +00000 +00000 +00000

HOTELMODE OFF OFF OFF

S12 Shipping - - -

SVC Main Menu CONT 32 32 32

IBRM 140 395 350 For Screen Adjust Reference

-6-

ALIGNMENT INSTRUCTIONS

SVC KEY EXPLAIN

(S5) BCL THD : MAX BEAM CURRENT ADJUST,DIFFERENT DATA FOR INCH.

BCL GAIN : AVERAGE BEAM ADJUST.

(S6) GEOMETRY : PAL (50Hz) adjust.

AV NTSC is auto correction.

(S10) NORMAL : PICTURE NORMAL data setting.

(SLEEP) : TXT CHECK ON LINE

(SIZE) : GAME FUNCTION CHECK ON LINE

(S11) OPTION

- HOTEL VOLUME : HOTEL MODE MAX VOL DATA SETTING

- HOTEL MODE OFF : ON--> VOL MAX SET& INSTALL DONT OPERATING

* Software option for Function Change

PIP - ON : With PIP Models (xxxxME/MP seiese)

- OFF : Without PIP Models (xxxxMT/MZ seriese)

Digital EYE - ON : Enable the Digital Sensor (NORMAL MODEL)

- OFF : Disable the Digital Sensor (FLAT MODEL)

LARGE - ON : For 29 inch Models (CM-908/F)

- OFF : For 14~21 inch Models (CM-908S)

LATIN : English,French,Swedish,Czech,German,Spanish,Italian,Estonian

EAST: English,Slovakian,Hungarian,Serbian,Albanian,Polish,Turkian,Rumanian

RUSSIA : English,Russian,Bulgaian,Ukrainian,Serbian,Montenegro

TEXT sel. PERSIAN : English,Farsi

ARAB : English,Arabic

OFF : Teletext Language depends on OSD Language selection

Note : If OSD language & text selec. is different then Teletext depends on Text selec.

2.The confirmation of Protection circuit

Protection circuit confirmation is omitted in case of mass production in the factory

2-1. Over Current Protecor (OCP) circuit confirmation

2-1-1. Receive PAL RETMA PATTERN(signal of company:2CH., PAL-B) and adjust

STANDARD MODE in PICTURE.

2-1-2. Connect 1M 1/2W between BASE of Q801 and GND, to confirm operating of

PROTECTOR.

The next place, to confirm normal operation when the resister(1M ) is removed.

2-1-3. After Main Power Switch OFF/ON, to confirm normal operation of picture and sound

when turn the set on by remocon.

-7-

ALIGNMENT INSTRUCTIONS

3.The adjustment of SCREEN

3-1. Confirm the presetting IBRM data of EEPROM according to CRT.

3-2. Press the [S2] KEY of SVC Remocon, horizontal line will be displayed.

3-3. Adjust SCREEN V/R of FBT so that the horizontal line reach the cut-off point.

3-4 To be completed adjustment of screen. Press the [S2] key to escape screen adjustment mode.

4.The adjustment of FOCUS

4-1. Receive PAL RETMA PATTERN(signal of company:2CH., PAL-B).

4-2. Adjust the picture to best distinct picture of 350 Line by revolve Focus Volume.

5.The adjustment of WHITE BALANCE

5-1. NITSUKI Setting : Set Nitsuki to the Auto Mode , Reference to the B, and System to the PAL .

5-2. Setting the Normal Stats

5-2-1. Adjust Picture to Normal mode.

5-2-2. Adjust the Gain of Nitsuki to suitability by manual when condition is Normal.

- Adjust the standard illumination take within limit bright of Nitsuki and luminosity

of SET into acount.

- Exhortative Standard illumination, : High 70Cd/ , LOW BEAM : about 15Cd/

5-2-3. Press the [S8]key of SVC remocon to adjustment of Whit Balance.

X=0.288, Y=0.301

5-2-4. Memorize in Nitsuki after Adjustment of White Balance.

5-3. Adjustment of White Balance

5-3-1.Receive Nitsuki signal.

5-3-2.Adjust Picture to Normal mode.

5-3-3.The Adjustment of High Beam : Adjust R-DRIVE and G-DRIVE to R,G,B BAR come to center.

5-3-4.The Adjustment of Low Beam : Adjust R-BIAS and G-BIAS to R,G,B BAR come to center.

5-3-5.Repeat 5-3-3 and 5-3-4 to R,G,B BAR come to within center 1.

6.The adjustment of GEOMETRY

6-1. Press the [S-6]key on the SVC remocon to call up the Geometry mode.

And then, Geometry OSD will be displayed.

6-1-1. All adjustment is base on PAL(50Hz),

but it can be base on NTSC(60Hz) in case of need.

6-2. The adjustment of VERTICAL CENTER

6-2-1.Receive PAL RETMA pattern(signal of company:PAL-B 2CH).

6-2-2.Press the PR up/down Keys( ) to select V CENTER.

Adjust with Vol Up/Down ( ) keys so that the center mark of the CRT may be located on

the horizontal line in the middle of the pattern. In case of no center mark, adjust with

Vol Up/Down ( ) keys to obtain a vertically symmetrical pattern.

-8-

ALIGNMENT INSTRUCTIONS

6-3. The adjustment of VERTICAL SIZE

6-3-1. Receive PAL RETMA pattern(signal of company:PAL-B 2CH).

6-3-2. Press the PR up/down Keys to select V-SIZE.

Adjust with Vol Up/Down ( /) keys so that the upper and the lower of RETMA

pattern may be located at the boundaries of the screen.

6-4. The adjustment of HORIZONTAL CENTER

6-4-1. Receive PAL RETMA pattern(signal of company:PAL-B 2CH).

6-4-2. Press the PR up/down Keys ( /) to select V-SIZE.

Referring to the both side scales, adjust with Vol Up/Down ( / ) keys

so that RETMA pattern may be symmetrical.

6-5. The adjustment of Vertical Linearity

6-5-1. Receive PAL CROSSHATCH pattern(signal of company:PAL-B 5CH).

6-5-2. Fix adjustment of Vertical Linearity after EEPROM presetting,

but it can be adjusted in case of need.

6-5-3. Press the PR up/down Keys ( /) to select V LINEAR.

Adjust Vertical Linearity with Vol Up/Down ( / ) keys.

6-6. The adjustment of VERTICAL S-Correction

6-6-1. Receive PAL CROSSHATCH pattern(signal of company:PAL-B 5CH).

6-6-2. Fix adjustment of Vertical S-Correction after EEPROM DATA presetting,

but it can be adjusted in case of need.

6-6-3. Press the PR up/down Keys ( /) to select S CORRECT.

Adjust S-Corrction with Vol Up/Down ( / ) keys.

-9-

ALIGNMENT INSTRUCTIONS

7. THE ADJUSTMENT OF SUB-PICTURE (SUB-BRIGHT,SUB-CONTRAST)

7-1. Receive PAL RETMA PATTERN(signal of company:2CH., PAL-B)

7-2. Press the [S9] KEY of SVC Remocon, BRM OSD wil be displayed.

7-3. The adjustment of SUB-BRIGHT

7-3-1. Press the PR up/down Keys ( /) to select SUB-BRIGHT in SUB-PICTURE MENU.

Adjust SUB-BRIGHT with Vol Up/Down ( / ) keys.

7-3-2. Adjust With BRM, When SUB-BRIGHT is lacking in margin of adjustment.

7-3-3. Standard of adjustment : Adjust till instant of 1, 2th cordon disappear in

RETMA CONTRAST CHART(signal of company).

7-3-4. When Sub-Picture mode was exited after SUB s adjustment, Normal vlaue is

brighter(about 18%) than adjustment-point(about 10%) of adjustment-mode because

BRIGHT is set to rise 2~3 step.

8. THE ADJUSTMENT OF PIP

8-1. Receive PAL RETMA pattern(signal of company:PAL-B 2CH) and Color Bar.

8-2. Press the [S7] KEY of SVC Remocon, PIP-Adjustment OSD wil be displayed.

8-3. Fix adjustment of PIP after EEPROM DATA presetting,

but it can be adjusted in case of need.

8-4. Adjust PIP after GEOMETRY, WHITE BALANCE and SUB-BRIGHT are adjusted.

8-5. List of adjustment

PIP H POSITON : Adjustment of H-position Sub-Picture,

(Reference : Presetting Value of EEPROM = 38)

PIP V POSITON : Adjustment of V-position of Sub-Picture,

(Reference : Presetting Value of EEPROM = 27)

PIP R/G/B Peak : Adjustment of Gain of PIP IC R,G,B Output

(Reference : Presetting Value of EEPROM = 85)

P CONTRAST : Adjustment of AC Gain(Contrast) of PIP IC RGB Output

(Reference : Presetting Value of EEPROM = 10)

P BRIGHT : Adjustment of DC Level(SUB BRIGHT) of PIP IC RGB Output

(Reference : Presetting Value of EEPROM = 15)

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