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.
TV
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