Daewoo DLA-32C7LAB Service Manual Download Page 1

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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.

Service Manual

LCD TV

CHASSIS :

Model :

S/M NO. : TSL900AEF0

DLA-32C7LAB
DLA-32C7LABD
DLA-37C7LAB
DLA-37C7LABD
DLA-42C7LAB
DLA-42C7LABD

Dec. 2007

SL-900A

Summary of Contents for DLA-32C7LAB

Page 1: ...out notice in the parts list So if you need the latest parts information please refer to PPL Parts Price List in Service Information Center Service Manual LCD TV CHASSIS Model S M NO TSL900AEF0 DLA 32...

Page 2: ...4 Service Remote Controller 9 1 Key Arrangement 9 2 Service Mode Data 10 5 Block Diagram 12 6 Hardware Troubleshooting Digital Board 13 7 Hardware Troubleshooting SMPS 18 1 FEL 3237UL DLA 32 37C7LABD...

Page 3: ...ews holding PCBs are working as electric circuit grounding make sure to check if any screw is missing when assembling reassembling Do not leave any screws inside the set 5 A LCD Set contains different...

Page 4: ...ation if the RF cable connection has no problem 4 Picture of analog program is noisy Check the RF cable connection Check if Picture N R is ON Change the Channel Fine Tune value 5 Sound is not generate...

Page 5: ...m 0 200mm X 0 600mm 0 227mm X 0 681mm Contrast Ratio 3000 1 MAX TV System Receiving NTSC ATSC System LVDS Cable FL X30SSL HF LVDS B 12V Input Connector RF 75 Ohm Coaxial S Video Video 2 Component RCA...

Page 6: ...0Hz O O X VESA Standard 75Hz O O X VESA Standard 800 X 600 60Hz O O X VESA Standard 75Hz O O X VESA Standard 1024 X 768 60Hz O O X VESA Standard 75Hz O O X VESA Standard 1280 X 768 60Hz O X X VESA Sta...

Page 7: ...batim captions for the primary language being spoken in the accompanying program audio G Service 2 Secondary Language Service This service contains caption in a secondary language which are translatio...

Page 8: ...contains material that parents may find G TV 14 Parents Strongly Cautioned This Program contains some material that many parents wound find unsuitable for children under 14 years of age G TV MA Matur...

Page 9: ...4 Service Remote Controller 9 1 Key Arrangement Chset Gumi Recall HEAT RUN Language No Function No Function User Reset Volume Auto Calibration Picture No Function SVC Menu Factory Reset...

Page 10: ...Pr Offset 544 Y Gain 352 Pb Gain 369 Pr Gain 379 RGB Auto Cal Ready YPrPb Auto Cal Ready PwFrontEnd_2 AV Brt 128 AV Brightness adjustment AV Cont 128 AV Contrast adjustment AV Color7 5 IRE On AV Color...

Page 11: ...k Mode 8VSB SNR dB IF AGC Level Pot PER Error Count Post BER Carrier Offset Ch Freq MHz Reset Level1 Resets all data in E2PROM other than HDCP key EDID RGB offset and YPbPr offset of FrontEnd_1 Level2...

Page 12: ...12 5 Block Diagram...

Page 13: ...of TU101 to Pin J1 of IC501 2 Component mode Check the path from input jack to Pin U2 U3 V2 COMP1 and R1 R2 T1 COMP2 of IC501 3 Video mode Check the path from input jack to Pin M3 Video1 and L3 Video...

Page 14: ...HDMI mode Check the path from input jack to Pin B1 A1 B3 A3 B5 A5 B7 A7 and F4 of IC501 Perhaps Connector and Cable Problem Replace the Main PCB Check PC HDMI resolution to available resolution in LC...

Page 15: ...local installer Perhaps Connector and Cable Problem Replace the Main PCB Check the Ant Set is correct in Menu Yes No Check the LVDS connector and cable is correct Check the LVDS signal output of IC50...

Page 16: ...voltage Yes Check the input power of IC702 is normal Pin 6 7 12 13 No Check the path from IC702 to Speaker No Check the signal output of IC702 is normal Pin 2 3 8 9 10 11 16 17 Yes Perhaps IC702 probl...

Page 17: ...17 LCD PANEL BACKLIGHT INVERTER CHECK Pin 14 is Status Output of Backlight Inverter Status Output of Pin 14 Normal 3 0V to 5 0V Abnormal 0V to 0 7V...

Page 18: ...on open and short YES Checking 1 2 item after changing FUSE NO Checking 1 5 item 1 6 Checking open and short of BD YES Changing BD NO Checking open and short of Z1 LF1 LF2 A Can you check that Vcc vol...

Page 19: ...R23 C Checking open and short of IC1 4 5V s Out put voltage is work with intermittent mode A Is R12 s condition good from open and short YES changing R12 NO Checking 1 2 and 1 3 items Checking open a...

Page 20: ...tifying side C23 YES Checking 2 5 item NO Checking 2 5 item after checking the conditions open and short of the around parts that was connected IC1 Location No R14 R51 Q1 Q5 D1 D23 D12 IC1 YES 2 3 cha...

Page 21: ...R50 C Checking open and short of IC6 4 5V s Out put voltage is work with intermittent mode A Is R5 s condition good from open and short YES changing R5 NO Checking 1 3 and 1 4 items Checking open and...

Page 22: ...9201170 CONN OPTICAL SENSOR OJ107A T050 SHS LOC PART CODE PART NAME DESCRIPTION JKJ01 4859105340 JACK S VHS DSW 10 STRAIGHT JKJ02 4859112850 JACK PIN DPSS 0173 3P ST JP401 4859295420 CONN WAFER 4602 0...

Page 23: ...104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC326 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 LOC PART CODE PART NAME DESCRIPTION CC327 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC328 HCBK104KBA C CHIP...

Page 24: ...C CHIP CERA 50V X7R 0 1MF K 1608 CC873 HCBK102KBA C CHIP CERA 50V X7R 1000PF K 1608 CC888 HCBK102KBA C CHIP CERA 50V X7R 1000PF K 1608 LOC PART CODE PART NAME DESCRIPTION CC889 HCBK104KBA C CHIP CERA...

Page 25: ...HM J 1608 RC318 HRFT103JBA R CHIP 1 10 10K OHM J 1608 RC319 HRFT103JBA R CHIP 1 10 10K OHM J 1608 RC322 HRFT103JBA R CHIP 1 10 10K OHM J 1608 RC339 HRFT510JBA R CHIP 1 10 51 OHM J 1608 LOC PART CODE P...

Page 26: ...18S03015 VARISTOR CHIP AVLC18S03015 LOC PART CODE PART NAME DESCRIPTION VA202 D18S03015 VARISTOR CHIP AVLC18S03015 VA203 D18S03015 VARISTOR CHIP AVLC18S03015 VA204 D18S03015 VARISTOR CHIP AVLC18S03015...

Page 27: ...PTION CC605 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC654 HCFF474ZBA C CHIP CERA Y5V 16V 0 47MF Z 1608 CC655 HCBK104KBA C CHIP CERA 50V X7R 0 1MF K 1608 CC656 HCBK102KBA C CHIP CERA 50V X7R 1000PF...

Page 28: ...NN WAFER 12505WS 07P PW201 49590009S0 CONN WAFER 12505WR 05A00 PW202 49590001S0 CONN WAFER 12505WR 06A00 PW203 4859297920 CONN WAFER 12505WR 10A00 QC402 TUPA672T B TR CHIP UPA672T LOC PART CODE PART N...

Page 29: ...7 OHM J 1608 RC564 HRFT470JBA R CHIP 1 10 47 OHM J 1608 RC569 HRFT133JBA R CHIP 1 10 13K OHM J 1608 RC570 HRFT133JBA R CHIP 1 10 13K OHM J 1608 RC579 HRFT470JBA R CHIP 1 10 47 OHM J 1608 RC585 HRFT510...

Page 30: ...5A 4850715S03 CONNECTOR SMH250 15 SMH250 15 ULW 300 O O O P805B 4850712S11 CONNECTOR 20022HS 12S 20022HS 12S ULW 800 X X O P805C 4850714S06 CONNECTOR 20022HS 14 20022HS 12 ULW 300 O O O SPEAKER SP01 4...

Page 31: ...ove open jumper of JP601 After upgrade completed JP601 must be shorted with Jumper to normally operate the video board 1 Main pcb Power off 2 Connecting the Pic upgrade board to Main pcb as shown belo...

Page 32: ...Software Upgrade Methord 32 3 Run PICkit 2 Microcontroller Programmer 4 Please confirm if pickit 2 microcontroller programmer deteced device PIC16F690 appropriately or not...

Page 33: ...Software Upgrade Methord 33 5 Importing HEX file for upgrade...

Page 34: ...Software Upgrade Methord 34 6 Write Click 7 Plese remove Pickit2 upgrade board when complet massage is come out 8 Short JP601 with Jumper to normally operate the video board...

Page 35: ...e to a spare USB port on your PC Once the composite driver has been installed Windows Found New Hardware Wizard will launch The screen below is shown Select No not this time from the options available...

Page 36: ...r browse to it by clicking the browse button Once the file path has been entered in the box click next to proceed The following screen will be displayed as Windows XP copies the required driver files...

Page 37: ...lick Next to proceed with the installation Select Install from a list or specific location Advanced as shown below and then click Next Select Search for the best driver in these locations and enter th...

Page 38: ...that the installation was successful Click Finish to complete the installation for the first port of the device Open the Device Manager located in Control Panel System then select the Hardware tab and...

Page 39: ...rt of set Run Flashupgrader exe in the PC to excute the program as shown below Select current Upgrade file i Click Choose button to select the file you want to upgrade ii Select the file pwSDK inf tha...

Page 40: ...e Upgrade Methord 40 Turn on the power and then upgrade program will start the download as shown below When the upgrading is complete a window below will be opened Press Finish button to complete the...

Page 41: ...10 Mechanical Development Figure 1 DLA 32C7LABD...

Page 42: ...Mechanical Development Figure 2 DLA 37C7LABD...

Page 43: ...Mechanical Development Figure 3 DLA 42C7LABD...

Page 44: ...ual DLE LHG10 Hanger Unit Thank you for purchasing the hanger unit for LCD TV Please observe this user s manual carefully before installation for your safety The product is exclusively used for DAEWOO...

Page 45: ...t 1 Check components in the package 4 2 Warnings Precautions 5 3 Angle Adjustment 8 4 How to installation 9 To install the hanger correctly and safely ask your local service center for installation H...

Page 46: ...CD TV HANGER AS UNIT 4 1 Check components in the package 1pcs Hanger Support Holder Anchors for concrete wall M4 Screws 35mm Screws 65mm Washer Paper model 4pcs 8pcs 4pcs 8pcs 2pcs 8pcs M6 Screws 65mm...

Page 47: ...ury or product damage It may fall down and cause personal injury or product damage It may fall down and cause personal injury or product damage To install the LCD TV on this hanger please always ask y...

Page 48: ...ix the hanger on the flat surface for maximum contact against it Check if it is firmly fixed on the wall following the completion of installation Observe the followings for installation and transporta...

Page 49: ...installation place referring to below dimensions and attach the paper model on the wall first Maintain enough space 15cm from other objects on the wall Observe the followings for installation and tra...

Page 50: ...gle View 1 2 0 5 10 15 20 A Note This work should be done without mounting the LCD TV Keep four screws in a secure place for future use angle adjustment B C Completely remove four screws from both upp...

Page 51: ...er a mat of sheet vinyl back packing on the floor to prevent the product from scars Unscrew screws from the stand and disassemble it from the body store the screws in a secure place for future use Rem...

Page 52: ...center area of the back Store them in a secure place for future use Fix the holder on the product back by screwing down 4 screws M4 35mm on both right and left sides Note Match the holder holes carefu...

Page 53: ...in the holes Using a hand drill make screw holes in the wall through the guide holes in the model Attaching the paper model supplied in the package on the wall using glue or tape Hand drill paper mod...

Page 54: ...me wall with reinforcing wooden piece If the hanger support can not be firmly fixed because of the structural problem with the simple frame wall fix the one side of the product in the wall completely...

Page 55: ...port and then lower the TV by pushing against the support More than two installer are required for the work Hanger Support Holder 2 When maximum safety is required If maximum safety is required for th...

Page 56: ......

Page 57: ...P N 48587220E117 R2...

Page 58: ...41 Thanks for purchasing our hanger Please read this user manual before installing the product for user safety This product is manufactured to be used only for the designated Daewoo models Refer to th...

Page 59: ...ts 1 Check the components 2 2 Warning and caution 3 3 Installation 6 4 Adjusting the angle 13 To install this product safely and accurately you must do the installation by requesting to the service ce...

Page 60: ...2 1 Check the components 2 ea 2 ea 1 ea FrameA FrameB Connecting FrameC Frame C fixation Bolts M5 Concrete wall anchor Frame A fixation Bolts M4 M6 Wall screws Paper pattern plan 4 ea 12 ea M4 4 ea M...

Page 61: ...ancauseinjuryordamagetotheproductwhenitfalls When installing on the hanger always request to the service center The product must be installed to withstand vibration during a long period of time includ...

Page 62: ...be checked after the installation You must follow the details during installation or transportation It can cause an injury Ifyoudisassemblethestandwiththestandinuprightposition thesetcanfalltocauseinj...

Page 63: ...e the location by referring to the product size and attach the paper model for arrangement on the wall Refer to the exterior pictures by product shown in the paper model for arrangement when setting t...

Page 64: ...he product up side down 2 Assemble holder for wall hanger on the LCD PDP TV Remove the product package 1 After removing the wrapping string open the product so that the top of the box faces up After r...

Page 65: ...e location of frame A accurately before assembling Note If the groove is not aligned properly it can wear the screw and might not be installed 7 Precautions when assembling frame A 4 When assembling f...

Page 66: ...wall hanger frame B and connecting frame C Attach the paper model for arrangement of the wall hanger assembly actual size on the installation location with glue or tape After checking the set model dr...

Page 67: ...an be assembled in the nearest location But do not make changes for more than 2 locations Paper pattern plan Anchor fixation 3 Install the wall hanger mount on the wall 4 Concrete wall anchor Align th...

Page 68: ...l hanger mount completely fixate one side to the reinforcement wood and using the assembly holes on the frame 12 holes appropriately fixate it to the reinforcement wood But do not make changes for mor...

Page 69: ...ing the set you can easily install the set When assembling the hook of the frame A and the frame B keep an angle of 25 at least Ascertain that the hook of the frame A has been inserted into the slot o...

Page 70: ...n the fixation location of frame B using the fixation screw M3 of the safety device 3 When leveling the product After assembling the LCD PDP TV product and the wall hanger product check whether it is...

Page 71: ...justed Completely pull out the two screws on the top Adjust the angle of the top of the frame B 1 2 Note This work must be done when the LCD PDP TV has been removed Keep the two screws removed from th...

Page 72: ...48587240E106 R1...

Page 73: ...DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA PRINTED DATE Dec 2006...

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