1. Manuals
  2. Brands
  3. Daewoo Manuals
  4. LCD TV
  5. DLV-26C3SMBS
  6. Service manual

Daewoo DLV-26C3SMBS Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Service Manual
LCD TV
CHASSIS :
Model :
DLV-26C3SMBS
DLV-32C3SMBS
DLV-37C3LMBS
DLV-42C1LMN
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.
S/M NO. : TSL300VEF2
SL-300V
MAY. 2007

Advertisement

Table of Contents
loading

Related Manuals for Daewoo DLV-26C3SMBS

Summary of Contents for Daewoo DLV-26C3SMBS

  • Page 1 S/M NO. : TSL300VEF2 Service Manual LCD TV CHASSIS : SL-300V Model : DLV-26C3SMBS DLV-32C3SMBS DLV-37C3LMBS DLV-42C1LMN 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.

  • Page 2: Table Of Contents

    1) Key Arrangement 2) EEPROM Data 5. Block Diagram 6. Hardware Troubleshooting : Digital Board 7. Hardware Troubleshooting : SMPS 1) FEL-3237A : DLV-26C3SMBS, DLV-32C3SMBS, DLV-37C3LMBS 2) FEL-42C1 : DLV-42C1LMN 8. Bill Of Materials 1) DLV-26C3SMBS 2) Differental Materials Besides Mechanical Parts 9.

  • Page 3: Safety Precaution

    1. Safety Precaution (1) When moving or laying down a LCD Set, at least two people must work together. Avoid any impact towards the LCD Set. (2) Do not leave a broken LCD Set on for a long time. To prevent any further damages, after checking the condition of the broken Set, make sure to turn the power (AC) off.

  • Page 4: Preliminary Troubleshooting

    2. Preliminary Troubleshooting 1) LCD TV does not response or remote controller does not work. - Check the power cord to be plugged. - Check the battery of the remote controller. 2) Sound is discontinuous or broken sometimes. - Check if [SOUND] -> [AVC] is [ON]. - Set the sound effect into 'F Mono'.

  • Page 5: Product Specification

    3. Product Specification 1) Standard of Product Features DLV-26C3SMBS DLV-32C3SMBS DLV-37C3LMBS DLV-42C1LMN LCD Panel Panel Model LTA260W3_L01 LTA320WT-LF2 LC370WX1-SL01 LC420WX5-SLA1 Screen Size 68 cm 81 cm 93 cm 106 cm Aspect Ratio 16 : 9 16 : 9 16 : 9...

  • Page 6: Available Input Signal

    Product Specification 2) Available Input Signal INTERFACE SOURCE INTERFACE SOURCE PAL-B/G, B/H 50Hz HDMI 640x480 60Hz VIDEO PAL-B/G, B/H 50Hz 640x480 75Hz PAL-60 60Hz 800x600 60Hz NTSC-M 60Hz 800x600 72Hz NTSC-443 60Hz 800x600 75Hz S-VIDEO PAL-B/G, B/H 50Hz 1024x768 60Hz PAL-60 60Hz 1024x768...

  • Page 7: Service Remote Controller

    4. Service Remote Controller 1) Key Arrangement ChSet Recall Volume HEAT-RUN SVPPX Hotel Lock PreScale MPEG MISC Reset Pattern...

  • Page 8: Eeprom Data

    Service Remote Controller 2) EEPROM Data Content Default Value Description ChSet Panel Model SS32 Current LCD Panel EDID & Ch Set EDID & CH Update Volume Volume Test Don't Care SVPPX PAL Sub Brt 0x20 ATV Bright Control PAL Sub Cont 0x80 ATV Contrast Control AV Sub Brt...
  • Page 9 Service Remote Controller Content Default Value Description Main Comp PC Bright Main Picture COMP & PC Brightness PIP CVBS Cont Sub Picture CVBS Contrast PIP CVBS Bright Sub Picture CVBS Bright PIP DTV Cont Sub Picture DTV Contrast PIP DTV Bright Sub Picture DTV Brightness PIP COMP Cont Sub Picture COMP Contrast...
  • Page 10 • [S12] -> [Reset] -> [Eeprom Reset] : EEPROM has default value. • [S10] -> [MISC] -> [Panel Model] : This data should be set according to each model : DLV-26C3SMBS -> SS26 : DLV-32C3SMBS -> SS32 : DLV-37C3LMBS -> LG37 : DLV-42C1LMN ->...

  • Page 11: Block Diagram

    5. Block Diagram -11-...

  • Page 12: Hardware Troubleshooting : Digital Board

    6. Hardware Troubleshooting : Digital Board 1) In spite of sound output, the screen is black. 1.1 In case of ATV, VIDEO and COMPONENT mode. START Check the input power of IC501 is correct Check the SMPS and input voltage Check the LVDS signal output of IC501 is correct (Pin A14, B14, A15, B15, A16, B16, A17,...
  • Page 13 Hardware Troubleshooting : Digital Board 1.2 In case of PC and HDMI mode START Check PC/HDMI resolution to available resolution in LCD TV Check the input resolution of external device Check the input power of IC501 is correct Check the SMPS and input voltage Check the LVDS signal output of IC501 is correct...
  • Page 14 Hardware Troubleshooting : Digital Board 2) In spite of picture display, the sound is not generated. START 1. Confrim AC connection 2. Confrim Power S/W on Does screen appear? 3. Check Video or other PCBs Is the Sound input Jack Check the connection of jack correctly connected? Is the speaker correctly...

  • Page 15: Hardware Troubleshooting : Smps

    7. Hardware Troubleshooting : SMPS 1) FEL-3237A : DLV-26C3SMBS, DLV-32C3SMBS, DLV-37C3LMBS 'CHECKING FLOW ABOUT INFERIOR SMPS' (MODEL NAME : FEL-3237A) PAGE : 1/2 1. Stand-by 5V is working out. A. Can you check In-put voltage(DC) of the capacitor(Location No. : C22)? A.
  • Page 16 Hardware Troubleshooting : SMPS 'CHECKING FLOW ABOUT INFERIOR SMPS' (MODEL NAME : FEL-3237A) PAGE : 2/2 3. 5V's Out-put voltage is measured too high or low. A. Checking open and short of IC7. B. Checking open and short of R24, R25. C.

  • Page 17: Fel-42C1 : Dlv-42C1Lmn

    Hardware Troubleshooting : SMPS 2) FEL-42C1 : DLV-42C1LMN 'CHECKING FLOW ABOUT INFERIOR SMPS' (MODEL NAME : FEL-42C1) PAGE : 1/2 1. Stand-by 5V is working out. A. Can you check In-put voltage(DC) of the capacitor(Location No. : C22)? A. Can you check that Vcc voltage of IC3 was supplied from DC15V to DC27V? 1.1 Checking open and short of Out-put side wire cable.
  • Page 18 Hardware Troubleshooting : SMPS 'CHECKING FLOW ABOUT INFERIOR SMPS' (MODEL NAME : FEL-42C1) PAGE : 2/2 3. 5V's Out-put voltage is measured too high or low. A. Checking open and short of IC7. B. Checking open and short of R24, R25. C.

  • Page 19: Bill Of Materials

    8. Bill Of Materials 1) DLV-26C3SMBS LOC PART CODE PART NAME DESCRIPTION LOC PART CODE PART NAME DESCRIPTION ZZ100 48B5655B02 TRANSMITTER REMOCON R-55B02 (AAA) SP01A 4856017800 SCREW SPKR FIX SWRM+SECC 3CR ZZ110 PTACPWG216 ACCESSORY AS DLV-26C3SMBS SP02 4858318510 SPEAKER SP-45165F01C...
  • Page 20 HC-49/U 20.000MHZ 30PPM CC324 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 ZZ200 PTMPJ2G216 PCB MAIN CHIP B AS DLV-26C3SMBS CC325 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 CC101 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608...
  • Page 21 Bill Of Materials LOC PART CODE PART NAME DESCRIPTION LOC PART CODE PART NAME DESCRIPTION CC428 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 CC556 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 CC429 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 CC557 HCBK104KBA...
  • Page 22 Bill Of Materials LOC PART CODE PART NAME DESCRIPTION LOC PART CODE PART NAME DESCRIPTION CC741 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 RC236 HRFT101JBA R CHIP 1/10 100 OHM J 1608 CC742 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 RC237 HRFT224JBA R CHIP...
  • Page 23 DV150RFG-B VARACTOR CHIP CT0603V150RFG CE601 CEXF1H479V C ELECTRO 50V RSS 4.7MF (5X11) TP ZZ200 PTMPJ0G216 PCB MAIN (RHU) AS DLV-26C3SMBS CE602 CEXF1H100V C ELECTRO 50V RSS 10MF (5X11) TP CE101 CEXE1A222E C ELECTRO 10V RM 2200MF (10X20) TP CE603 CEXF1C101V C ELECTRO 16V RSS 100MF (6.3X11) TP...
  • Page 24 Bill Of Materials LOC PART CODE PART NAME DESCRIPTION LOC PART CODE PART NAME DESCRIPTION CC498 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 CC751 HCQK102JBA C CHIP CERA 50V CH 1000PF J 1608 CC499 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 CC752 HCBK104KBA...
  • Page 25 Bill Of Materials LOC PART CODE PART NAME DESCRIPTION LOC PART CODE PART NAME DESCRIPTION IC708 1MP1583--D IC CHIP CONVERTER MP1583DN RA317 HRTS8E150J R CHIP ARRAY 1/16 8P 15 OHM 3216 IC709 T1RF7233-- FET CHIP IRF7233 RA318 HRTS8E150J R CHIP ARRAY 1/16 8P 15 OHM 3216 IC710 1MP1583--D...
  • Page 26 Bill Of Materials LOC PART CODE PART NAME DESCRIPTION LOC PART CODE PART NAME DESCRIPTION RC212 HRFT101JBA R CHIP 1/10 100 OHM J 1608 RC348 HRFT000-BA R CHIP 1/10 0 OHM 1608 RC213 HRFT102JBA R CHIP 1/10 1K OHM J 1608 RC349 HRFT000-BA R CHIP...
  • Page 27 Bill Of Materials LOC PART CODE PART NAME DESCRIPTION LOC PART CODE PART NAME DESCRIPTION RC550 HRFT000-BA R CHIP 1/10 0 OHM 1608 RC760 HRFT333JBA R CHIP 1/10 33K OHM J 1608 RC552 HFF601C00B F CHIP FERRITE BEAD 600 OHM SBK 2012 RC761 HRFT103JBA R CHIP...

  • Page 28: Differental Materials Besides Mechanical Parts

    Bill Of Materials 2) Differental Materials Besides Mechanical Parts PART CODE PART NAME DESCRIPTION DLV-26C3SMBS DLV-32C3SMBS DLV-37C3LMBS DLV-42C1LMN Digital Board IC401 T1RF7233-- FET CHIP IRF7233 LC525 HFF300B00A F CHIP FERRITE BEAD 30 OHM PBY 1608 LC526 HFF300B00A F CHIP FERRITE BEAD...

  • Page 29: How To S/W Upgrade Tools

    9. How to S/W Upgrade Tools 1) Requirements 1.1 You need followings to upgrade LCD TV. - Decoder S/W, *.ecc to be uploaded - PIC micom S/W, *.hex to be uploaded - RS232 cable - S/W upgrade tool - Service remote controller 1.2 Your computer has 9-pin serial port and the port should not be conflicted with other S/W.

  • Page 30: How To Upgrade Decoder Of Lcd Tv

    How to S/W Upgrade Tools 3) How to upgrade decoder of LCD TV. 3.1 Execute S/W upgrade tool, which is DTV_Updater.exe. 3.2 Select [Setting] -> [Target] -> [Decoder] in the menu. 3.3 Select available serial port in [Setting] -> [Port].(Default port is COM1.) -30-...
  • Page 31 How to S/W Upgrade Tools 3.4 Select bitrate, which is [Setting] -> [bits/second] -> [115200] in the menu. 3.5 Open the file, *.ecc to be uploaded in the decoder. File Open -31-...
  • Page 32 How to S/W Upgrade Tools 3.6 If the file is correctly selected, the file name is displayed as followings. Do not check the option [Boot Sector include]. 3.7 Click the [Upload] button. Turn off/on the LCD TV as following message. -32-...
  • Page 33 How to S/W Upgrade Tools 3.8 Decoder is being upgraded as below. 3.9 Click the [Finish] button if the decoder upgrade has been finished as below. And then turn off/on LCD TV with the power cord. -33-...

  • Page 34: How To Upgrade Pic Micom Of Lcd Tv

    How to S/W Upgrade Tools 4) How to upgrade PIC micom of LCD TV. 4.1 Execute S/W upgrade tool, which is DTV_Updater.exe. 4.2 Press S10 key on the service remote controller. Move to [Micom Update] with CH UP/DOWN key. And set the option into ON with VOL UP/DOWN key as below. 4.3 Select [Setting] ->...
  • Page 35 How to S/W Upgrade Tools 4.4 Select available serial port in [Setting] -> [Port].(Default port is COM1.) 4.5 Select bitrate, which is [Setting] -> [bits/second] -> [9600] in the menu. -35-...
  • Page 36 How to S/W Upgrade Tools 4.6 Open the file, *.hex to be uploaded in the PIC. 4.7 If the file is correctly selected, the file name is displayed as followings. Do not check the option [Boot Sector include]. -36-...
  • Page 37 How to S/W Upgrade Tools 4.8 Click the [Upload] button. Execute the AC off/on as following message. 4.9 PIC is being upgraded as below. -37-...
  • Page 38 How to S/W Upgrade Tools 4.10 Click the [Finish] button if the PIC upgrade has been finished as below. LCD TV will be automatically turned on. -38-...

  • Page 39: Schematics : Digital Board

    10. Schematics : Digital Board -39-...
  • Page 40 Schematics : Digital Board -40-...
  • Page 41 Schematics : Digital Board -41-...
  • Page 42 Schematics : Digital Board -42-...
  • Page 43 Schematics : Digital Board -43-...
  • Page 44 Schematics : Digital Board -44-...
  • Page 45 Schematics : Digital Board -45-...
  • Page 46 Schematics : Digital Board -46-...
  • Page 47 Schematics : Digital Board -47-...

  • Page 48: Schematics : Smps

    11. Schematics : SMPS 1) FEL-3237A : DLV-26C3SMBS, DLV-32C3SMBS, DLV-37C3LMBS -48-...

  • Page 49: Fel-42C1 : Dlv-42C1Lmn

    Schematics : SMPS 2) FEL-42C1 : DLV-42C1LMN -49-...

  • Page 50: Mechanical Development Figure

    12. Mechanical Development Figure 1) DLV-26C3SMBS -50-...

  • Page 51: Dlv-32C3Smbs

    Mechanical Development Figure 2) DLV-32C3SMBS -51-...

  • Page 52: Dlv-37C3Lmbs

    Mechanical Development Figure 3) DLV-37C3LMBS -52-...

  • Page 53: Dlv-42C1Lmn

    Mechanical Development Figure 4) DLV-42C1LMN -53-...
  • Page 54 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : Dec. 2006...

This manual is also suitable for:

Dlv-32c3smbsDlv-37c3lmbsDlv-42c1lmn

Table of Contents