Table of Contents
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Table of Contents
Related Manuals for Daewoo L32S645WTE
Summary of Contents for Daewoo L32S645WTE
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Page 1: Service Manual
Document Service Manual for DEAWOO L32S645WTE L40S645WTE Page No. 1 /27 Title L43S645WTE Document Revision Service Manual DAEWOO CORPORATION Model: DAEWOO L32S645WTE L40S645WTE L43S645WTE LCD TV (LED BACKLIGHT) HDTV Craft by:HPL Approved by: 2016/9/19... -
Page 2: Table Of Contents
No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, electronic, mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written permission of DAEWOO Corporation. -
Page 3: Precautions And Safety Notices
DAEWOO HDTV service manual Precautions and Safety Notices 1.1 Important Information... - Page 4 DAEWOO HDTV service manual Important Safety Instructions...
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Page 6: Product Specification
DAEWOO HDTV service manual Product Specification 2.1 GENERAL SPECIFICATIONS L32S645WTE、L40S645WTE and L43S645WTE are both in MS3463S.PB782 3 in 1 board platform; the basic specifications are the same. Item L32S645WTE L40S645WTE L43S645WTE Voltage rate 100-240V 100-240V 100-240V ≤0.5W ≤0.5W ≤0.5W Power Consumption on... - Page 7 DAEWOO HDTV service manual Support Timings REGISTERED TRADEMARKS...
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Page 8: Disassembly Procedure
DAEWOO HDTV service manual 3. Disassembly Procedure The Exploded View Find in attachments. 3.2 Removal Of Major Parts Warning: Some pictures are taken from design models; the real products may be a little difference on label or wiring. L40S645WTE is mentioned if no special figure. - Page 9 DAEWOO HDTV service manual...
- Page 10 DAEWOO HDTV service manual 3. Remove the main board Remove screws M3X6 from the main board and AV bracket, unplug the wires from the main board, and take out the main board. Remove screws from the AV bracket and the main board, take care of the elements.
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Page 11: Adjustment Procedure
DAEWOO HDTV service manual 4.Adjustment Procedure ELECTRICAL TEST Abbreviations High Definition Standard Definition Video Graphic Adapter VESA Video Electronics Standards Association Remote Control To be determined Key Board, IR receiver and RC Apply 120V AC to mains input; LED should light up with RED color, when power on, standby LED turn off. - Page 12 DAEWOO HDTV service manual Action: Press CH+ key Observe: CH+ key equals UP key on remote control. To navigate the MENU using REMOTE CONTROL A﹥To enter MENU Screen. Action: Press MENU key in remote control Observe: Menu screen should shown at LCD screen.
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Page 13: Dvi Mode
DAEWOO HDTV service manual HDMI DVI mode Standard Monitor Format (VESA) Connect HDMI cable with HDMI1, and then change the display source to HDMI1. Test Pattern SMPTE 64-step greyscale (Generated by Quantun881) (Generated by Quantun881) 640x480@60Hz 640x480@60Hz 800x600@60Hz 800x600@60Hz Format... - Page 14 DAEWOO HDTV service manual Analog RF signal input Connect Antenna cable to tuner. Change the display source to TV Channels. Test Pattern Depended on Depended on Depended on Channel factory factory factory Picture Frequency Channel band VHF-L VHF-H Digital RF signal input Connect Antenna cable to tuner.
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Page 15: Key Check Points & Power Flow Chart
DAEWOO HDTV service manual Blind scan。 This kind of scan will not depend on advance setting(like TP list), only need set antenna parameter. Start Blind scan, can scan the focuse Satellite,at the same time get the instant available TP. The same satellite,Blind scan and Default can compare the channel,at normal time have’t big different. - Page 16 DAEWOO HDTV service manual Key check point Tunner Key & IR Board control Flash DC-DC LVDS interface Decoder Filter Crystal capacitor groupware Fuse AC Jack Power control Transformer Rectifier Diodes for Backlight bridge control 1. AC Jack Alternating current input.
- Page 17 DAEWOO HDTV service manual 16. Crystal Provide clock signal for decoder. 17. Power LED / KEY pad / IR board interface Control signal for power LED, KEY PAD and IR. Power Flow Chart...
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Page 18: Troubleshooting Flow Chart
DAEWOO HDTV service manual 6.Troubleshooting Flow Chart These flow charts may not match every single defeat TV set, but they can give you useful advices when you meet the same defeats described on the titles below. Standby LED does NOT turn off. The TV is dead PS: Check fuse and Rectifier Bridge when red LED not turns on when insert AC cord. - Page 19 DAEWOO HDTV service manual Power on, but LCD backlights are not working or shut down soon. When standby, the light bar voltage is VBL, but the diode in light bar will not transits. The boost circuit will increase the voltage into V-LED, when LED bar is open; the voltage reaches OVP (over voltage protection).
- Page 20 DAEWOO HDTV service manual Back light is OK while no video or OSD.
- Page 21 DAEWOO HDTV service manual Uncontrolled power off.
- Page 22 DAEWOO HDTV service manual Abnormal picture...
- Page 23 DAEWOO HDTV service manual No sound...
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Page 24: Software Upgrade
DAEWOO HDTV service manual 7.Software Upgrade This product is based on a well developed operation system. We design it very convenient to upgrade its operation system. We called it “USB Power-OFF upgrade”. We need to (or can try) upgrade software in conditions when: 1. - Page 25 DAEWOO HDTV service manual Caution: When TV is upgrading its software, power off is forbidden or the TV will never start again. In that condition you can try to upgrade again or try serial port upgrade. The new version software must be higher, or you may cause update failure.
- Page 26 DAEWOO HDTV service manual 5. Upgrading software. Press down “Auto” and call off the selections “verify” and “blank” from the window appear to us (or we will spent more time). Then press “Run” to kick off. 6. Upgrading and completed flag. The upgrading time will be about 10 minutes, please be patient.
- Page 27 DAEWOO HDTV service manual Completed 7. Turn on the TV and record the software version. Notice: board must connect to power during serial port upgrade.