Daewoo DLP-2622 User manual

DLP-2622 SERVICE MANUAL

E-RAE ELECTRONICS

MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE

DLP-2622 ELT040605-002 00 04/06/11 1/71

Service Manual

26inch

LCD TV

Liquid Crystal Display

DLP-2622 SERVICE MANUAL

E-RAE ELECTRONICS

MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE

DLP-2622 ELT040605-002 00 04/06/11 2/71

CONTENTS

REVISION ……………………………………………………………..4

SPECIFICATION .. …………………………………………………...5

CONTROL DESCRIPTIONS ……………………………………….7

REMOTE CONTROL BUTTONS ……….. ……………….………..9

TELETEXT FUNCTIONS …………………………..……………….10

PIN CONFIGURATION ………………………………………………11

FACTORY MENU …………………………………………….………20

WHITE BALANCE ADJUSTMENT ….. …………….………….…..31

DESCRIPTION OF SPECIAL FUNCTIONS ……………….… … ..34

CIRCUIT OPERATION & WAVEFORM ……………………….…..36

MODULE POWER SEQUENCE …………………...….…………..43

MODULE PRECAUTIONS ………………………………………….45

EXPLODED OVERVIEW ……………………………………………47

REPLACEMENT PARTS LIST(exploded overview). …………..48

DLP-2622 SERVICE MANUAL

E-RAE ELECTRONICS

MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE

DLP-2622 ELT040605-002 00 04/06/11 3/71

DISASSEMBLY PROCEDURE ……………………………………...50

TROUBLE SHOOTING ……………………………………………....54

REPLACEMENT PARTS LIST ………………………………………56

RS-232C COMMUNICATION ………………………………………..65

WIRING DIAGRAM ………….... ……………………………….…….70

BLOCK DIABRAM ……………………………………………………71

DLP-2622 SERVICE MANUAL

E-RAE ELECTRONICS

MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE

DLP-2622 ELT040605-002 00 04/06/11 4/71

REVISION HISTORY

VERSION DATA DESCRIPTION NOTE

DLP-2622 SERVICE MANUAL

E-RAE ELECTRONICS

MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE

DLP-2622 ELT040605-002 00 04/06/11 5/71

Note : Specification and others are subject to change without notice for improvement.

1.Input Signal :

PAL

SECAM

SD,HD

VGA ~SXGA

2. Tuner : PAL

SECAM

3. Input Voltage : AC 100V ~ 240V, @ 50/60Hz, 2A

4. Power Consumption : 140W

5. LCD Module : LTA260W1 -### (SEC)

6. Speaker Impedance : 8Ω

7. Sound Output : 7W + 7W (Max)

8. Feature : -AV Input

-Component1 Input (DVD)

-Component2 Input (DTV)

-D-SUB (Analog RGB 15 pin)

-S-Video Input

-Composite Input

-SCART1 Input (Full/RGB,CVBS)

-SCART2 Input (Half/CVBS)

-Tuner (PAL,SECAM)

-Audio Input (Composite, Component 1/2, S-Video, PC)

-RS-232C (9 pin)

9. Function :

-ZOOM

-PIP

-PBP (4:3,16:9)

-MTS

-TELETEXT

DLP-2622 SERVICE MANUAL

E-RAE ELECTRONICS

MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE

DLP-2622 ELT040605-002 00 04/06/11 6/71

10. External Interface

1) AV / COMPONENT / ANALOG RGB Input

ITEM MIN TYP MAX UNIT

AV Video Input Level 0.85 1.00 1.15 Vpp

AV Sync Input Level 0.24 0.29 0.32 Vpp

AV Burst Input Level 0.14 0.28 0.35 Vpp

AV Video Input Level 0.47 0.63 0.79 V

AV Audio Input L/R 0.47 0.63 0.79 V

Component Video Input Level

(Y,Cb/Pb,Cr/Pr) 0.6 0.7 0.8 Vpp

Analog RGB Level 0.6 0.7 0.8 Vpp

H/V Sync Input Level 3.5 3.7 4.5 Vpp

3) COMPONENT Mode (Y,Cb/Pb,Cr/Pr)

RESOLUTION H-Freq(KHz) V-Freq(Hz) Timing Note

720*480 15.73 60.00 480i

720*576 15.63 50.00 576i Component1

(DVD)

720*480 31.47 59.94 480p

1280*720 45.00 60.00 720p

1280*720 44.96 59.94 720p

1920*1080 33.75 60.00 1080i

1920*1080 33.72 59.94 1080i

Component2

(DTV)

4) SUPPORTING DISPLAY Mode

RESOLUTION H-Freq(KHz) V-Freq(Hz)

31,47 60

37.86 72

640*480 37.50 75

720*400 31.47 70

35.15 56

37.88 60

48.88 72

800*600

46.88 75

48.36 60

56,48 70

1024*768 60.02 75

1280*1024 64.00 60

DLP-2622 SERVICE MANUAL

E-RAE ELECTRONICS

MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE

DLP-2622 ELT040605-002 00 04/06/11 7/71

CONTROL DESCRIPTIONS

DLP-2622 SERVICE MANUAL

E-RAE ELECTRONICS

MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE

DLP-2622 ELT040605-002 00 04/06/11 8/71

DLP-2622 SERVICE MANUAL

E-RAE ELECTRONICS

MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE

DLP-2622 ELT040605-002 00 04/06/11 9/71

REMOTE CONTROL BUTTONS

DLP-2622 SERVICE MANUAL

E-RAE ELECTRONICS

MODEL NAME DOCUMENT NO REVISION NO REVISION DATE PAGE

DLP-2622 ELT040605-002 00 04/06/11 10/71

Teletext Function

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