Daewoo DLP-32G1P Service Manual
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Daewoo DLP-32G1P Service Manual

Daewoo DLP-32G1P Service Manual

Chassis : sl-601p
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Service Manual
LCD TV
CHASSIS : SL-601P
Model :
DLP-32G1
DLP-32G1P
DLP-32G1R
DLP-32G1T
DLP-32G1W
DLP-32G1LPB
DLP-32U1
DLP-32U1P
DLP-32U1R
DLP-32U1T
DLP-32U1W
DLP-32U1LPB
DLP-32U2
DLP-32U2P
DLP-32U2R
DLP-32U2T
DLP-32U2W
DLP-32U2LPB
DLP-32C5
DLP-32C5P
DLP-32C5PD
S/M NO. : TSL601PEF1
DLP-32C7
DLP-32C7P
DLP-32C7PB
BLT-32U10A
(TAGAZ OEM)
DLP-37G1
DLP-37G1P
DLP-37C7
DLP-37C7P
DLP-37C7PB
DLP-42G1
DLP-42G1P
DLP-42C1
DLP-42C1P
DLP-42C5
DLP-42C5P
DLP-42C5PD
DLP-42C7
DLP-42C7P
May 2008

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Summary of Contents for Daewoo DLP-32G1P

  • Page 1 S/M NO. : TSL601PEF1 Service Manual LCD TV CHASSIS : SL-601P Model : DLP-32G1 DLP-32C7 DLP-32G1P DLP-32C7P DLP-32G1R DLP-32C7PB DLP-32G1T BLT-32U10A DLP-32G1W (TAGAZ OEM) DLP-32G1LPB DLP-37G1 DLP-32U1 DLP-37G1P DLP-32U1P DLP-32U1R DLP-37C7 DLP-32U1T DLP-37C7P DLP-32U1W DLP-37C7PB DLP-32U1LPB DLP-42G1 DLP-32U2 DLP-42G1P DLP-32U2P...

  • Page 2: Table Of Contents

    Contents 1.Safety Precaution 2.Product Specification 2-1.Product Specification 2-2.Available Input Signal 3.Block Diagram 4.Description of Each Block 4-1.Overview 4-1-1.SCART1 RGB 4-1-2.SCART2_CVBS 4-1-3.AV3_S-VIDEO 4-1-4.COMPONENT_Y Pb Pr 4-1-5.HDMI 4-1-6.PC 4-1-7.Sound I2S 4-1-8.Sound Output 4-2.POWER PCB 4-2-1.Input Requirements 4-2-2.Output Voltage and Current 4-2-3.Ripple and Noise 4-2-4.Connectors 5.SERVICE MODE 6.Main PCB Trouble Diagnosis...

  • Page 3: Safety Precaution

    1. Safety Precautions (1) When moving or laying down a LCD Set, please deal with care. 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 check the broken Set’s condition, make sure to turn the power(AC) off.

  • Page 4: Product Specification

    2. Product Specification 2-1.PRODUCT SPECIFICATION Features 32 inch Model 37 inch Model 42 inch Model Screen Size 32" 37" 42" Aspect Ratio 16 : 9 16 : 9 16 : 9 LCD Panel Resolution 1366x768(WXGA) 1366x768(WXGA) 1366x768(WXGA) 170.25um x 510.75um x Pixel Pitch 0.200mm x 0.600mm x RGB 0.227mm x 0.681mm x RGB Contrast Ratio...

  • Page 5: 2-2.Available Input Signal

    Product Specification 2-2.Available Input Signal 2-2-1.HDMI/PC/COMPONENT Resolution V-freg HDMI PC(D-Sub) Component Standard 60Hz 640 x 480 72Hz 75Hz VESA Standard 60Hz VESA Standard 800 x 600 72Hz VESA Standard 75Hz 60Hz VESA Standard 1024 x 768 70Hz VESA Standard 75Hz VESA Standard 60Hz 1360(6) x 768...

  • Page 6: Block Diagram

    3. Block Diagram .Block Diagram...

  • Page 7: Description Of Each Block

    4. Description of Each Block 4-1.Overview Digital PCB is Multi Media circuit board that can process various input signals such as Video, Component, PC, HDMI and analog TV signal. SCART1_RGB SCART2_CVBS AV3_SVIDEO COMPONENT_YPbPr HDMI1/2...

  • Page 8: 4-1-1.Scart1 Rgb

    Description of Each Block 4-1-1. SCART1_RGB “R signal(input to IC501), LOC : LCA12” G signal(input to IC501), LOC : LCA11 B signal(input to IC501), LOC : LCA10...

  • Page 9: 4-1-2.Scart2_Cvbs

    Description of Each Block 4-1-2. SCART2_CVBS CVBS signal(input to IC501), LOC : CA02 4-1-3. AV3_S-VIDEO Y signal(input to IC501), LOC : #14 of IC506 Color signal(input to IC501), LOC : RC515...
  • Page 10 Description of Each Block 4-1-4. COMPONENT_YPbPr Y signal(input to IC501), LOC : LCA08 Pb signal(input to IC501), LOC : LCA06 Pr signal(input to IC501), LOC : LCA04 -10-...

  • Page 11: 4-1-5.Hdmi

    Description of Each Block 4-1-5. HDMI HDMI signal(input to IC 501), LOC : RCA31 ~ RCA38, RCA12 ~ RCA19 4-1-6. PC R signal(input to IC501), LOC : LC209 G signal(input to IC501), LOC : LC207 -11-...
  • Page 12 Description of Each Block B signal(input to IC501), LOC : LC205 Horizontal sync(input to IC501), LOC : LC204 Vertical sync9input to IC501), LOC : LC203 -12-...

  • Page 13: 4-1-7.Sound I2S

    Description of Each Block 4-1-7. Sound I2S I2S data(output of IC601), LOC : #30 of IC603 I2S L/R clock(output of IC601), LOC : #31 of IC603 I2S B clock(output of IC601), LOC : #32 of IC603 -13-...

  • Page 14: 4-1-8.Sound Output

    Description of Each Block 4-1-8. Sound Output Speaker Output 4-2. Power PCB 4-2-1. Input Requirements 32” & 37” Input Voltage Range AC90V ~ 264V Normal Voltage AC 100V ~ 240V Normal Frequency 50/60Hz Input Current < 3.5 Arms at 100 Vac input <...

  • Page 15: 4-2-2.Output Voltage And Current

    Description of Each Block 4-2-2. Output Voltage and Current 32” & 37” Output Munimum Maximum Output Current Board Voltage Output Output Condition Voltage Voltage +29Vdc +27.0Vdc +32.0Vdc 0.1A 0.5A 1.0A +24Vdc +22.3Vdc +25.4Vdc 0.1A 6.0A 7.0A PWR-CTL +12Vdc +11.00Vdc +12.0Vdc 0.1A 1.5A 2.0A...

  • Page 16: 4-2-3.Ripple And Noise

    Description of Each Block 4-2-3. Ripple and Noise 32” & 37” AC ripple, Output Voltage Switching ripple and noise Output Condition Name Minimum Maximum Output Output Continuous Voltage Voltage +29V +27.0Vdc +32.0Vdc PWR-CTL +24V +22.3Vdc +25.4Vdc +12V +11.0Vdc +12.0Vdc 500mVp-p +4.75Vdc +5.25Vdc MAX LOAD...

  • Page 17: 4-2-4.Connectors

    Description of Each Block 4-2-4 Connectors A. Panel to Power(CN7,CN8) pin spec CN7(Old LPL PANEL) CN8(SAMSUNG PANEL) Output PIN No. Output PIN No. +24V +24V +24V +24V +24V +24V +24V +24V +24V +24V DIMIMING INV ON/OFF INV ON/OFF DIMIMING ‘New LPL PANEL(WXN Series) have to be connected on CN8.’...
  • Page 18 Description of Each Block C.CN4 PIN No. Output +12V +12V PWR ON/OFF -18-...

  • Page 19: Service Mode

    LG_32 'SAMSUNG_26' - 'LG_32' - 'SAMSUNG_32' - 'LG_37' - 'SAMSUNG_37' - 'LG_42' - 'SAMSUNG_42' Using ◀/▶ buttons, BUYER Daewoo select between 'Daewoo' and 'IRAN' and 'Newziland' - 'Others' Bus Stop Using ◀/▶ buttons, select 'No' or 'Yes' EEPROM Reset >>>...

  • Page 20: Main Pcb Trouble Diagnosis

    6. Main PCB Trouble Diagnosis 6-1.Main PCB Trouble Diagnosis 6-1-1.Common checking process when “No signal of No raster” No signal : OSD is work but no images are displying No raster : OSD as well as images in not working Check start 1.Check AC connection Is a weak...
  • Page 21 Main PCBs Trouble Diagnosis A.When “No signal”in CVBS(RF, AV) 1)First check if other inputs are working =>if other inputs are not working, replace MAIN PCB 2)Checking waveforms with Color Bar Pattern(Using the oscilloscope) - Main TP(RF) : R524 - Main TP(AV2) : CA02 -21-...
  • Page 22 Main PCBs Trouble Diagnosis B.When “No signal”in Y/C signal(S-Video) 1)First check if other inputs are working =>if other inputs are not working, replace MAIN PCB 2)Checking waveforms with Color Bar Pattern(Using the oscilloscope) - Main TP(Y signal) : RCA31 - Main TP(C signal) : RC515 -22-...
  • Page 23 Main PCBs Trouble Diagnosis C.When “No signal”in Y/Pb/Pr signal(Component) 1)First check if other inputs are working =>if other inputs are not working, replace MAIN PCB 2)Checking waveforms with Color Bar Pattern(Using the oscilloscope) - Main TP(COMP1- Y) : LCA07 - Main TP(COMP1-Pb) : LCA05 -23-...
  • Page 24 Main PCBs Trouble Diagnosis - Main TP(COMP1-Pr) : LCA03 D.When “No signal”in PC 1)First check if other inputs are working =>if other inputs are not working, replace MAIN PCB 2)Checking waveforms with Color Bar Pattern(Using the oscilloscope) - Main TP(R signal) : LC209 -24-...
  • Page 25 Main PCBs Trouble Diagnosis - Main TP(G signal) : LC207 - Main TP(B signal) : LC205 - Main TP(H-sync) : RC212 -25-...
  • Page 26 Main PCBs Trouble Diagnosis - Main TP(V-sync) : RC213 E.When “No signal”in HDMI 1)First check if other inputs are working =>if other inputs are not working, replace MAIN PCB 2)Checking waveforms with Color Bar Pattern(Using the oscilloscope) - Main TP : RC433~RC438, RC412~RC417 -26-...

  • Page 27: 6-1-2.When No Sound

    Main PCBs Trouble Diagnosis 6-1-2.When No Sound Check start 1.Check AC connection 2.Check Power S/W ON Do images display on screen? 3.Check Main PCB Cancel Sound MUTE Check Sound Mute On? Check the connection Is the Speaker connection connected? of speaker Check #58 of IC601 Perhaps IC601 problem ( or #30 of IC603)
  • Page 28 Main PCBs Trouble Diagnosis 1)First check if images are displaying =>If images are not displaying, replace MAIN PCB 2)Checking waveforms with 1KHz Sound pattern Input to #30 or IC603 - Output of L602 -28-...

  • Page 29: 6-1-3.When Control Key Does Not Operate

    Main PCBs Trouble Diagnosis 6-1-3.When Control Key does not operate Check start 1.Check AC connection After turn on the power, 2.Check Power S/W ON does LED turn on red light? 3.Check other PCBs Check the connection of After ST-BY on, Does LED KEY PCB to MAIN PCB thrn on blue light? =>...

  • Page 30: 6-1-4.When Remote Controller Does Not Operate

    Main PCBs Trouble Diagnosis 6-1-4.When Remote Controller doses not operate Check start 1.Check AC connection After turn on the power, 2.Check Power S/W ON does LED turn on red light? 3.Check other BLOCKs Chek the Battery of Is Remote Controller working? Remote Controller Check the connection between Does set working by pressing a KEY button?
  • Page 31 Main PCBs Trouble Diagnosis Remote Controller signal(RC529) -31-...

  • Page 32: 6-2.Power Pcb

    Main PCBs Trouble Diagnosis 6-2.POWER PCB Check start 1.Check AC connection 2.Check Power S/W ON After turn on the power, 3.Check F801(F1) does LED turn on red light? 4.Check C811(C23) 5.Check PA905 5V pin 6.Check the Connector 1.Check the connector 2.Check input Voltage After Power on, Does Picture on? 3.Check PA905 P/O...

  • Page 33: Trouble Diagnosis

    7. Trouble Diagnosis 7-1.Facts you must know when trouble Diagnosing or Repairing. A.Trouble diagnosing and repairing of set mean find out which PCBs or blocks are not working and replace them with new PCBs. Repairing the broken PCBs are not necessary Keep the broken PCBs and return to service center or R&D center.

  • Page 34: 7-2.Typical Symptoms Of Pcb Problem Or Bad Connection

    Trouble Diagnosis 7-2.Typical Symptoms of PCBs problem or bad connection A.Symptom of No image when LED and Back Light are working. -Define No image : LED and BACK LIGHT of panel are correctly working but any image does not display. -Repairing method : This is typical symptom when LVDS cable incorrectly connects.

  • Page 35: Exploded View

    8. Exploded View 32G1 -35-...
  • Page 36 Exploded View 32C5 -36-...
  • Page 37 Exploded View 32C7 -37-...
  • Page 38 Exploded View 32U1 -38-...
  • Page 39 Exploded View 32U2 -39-...
  • Page 40 37C7 -40-...
  • Page 41 Exploded View 37G1 -41-...
  • Page 42 42C5 -42-...
  • Page 43 42G1 -43-...
  • Page 44 42C1 -44-...
  • Page 45 42C7 -45-...

  • Page 46: Service Part List

    9. Service part list SL-601P PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION M561 4855625600 MARK BRAND SILVER DIA-CUTTING(DOUBLE FACED TAPE),L=87.5,P=30 PART CODE PART NAME DESCRIPTION M591 4855947221 DECO PLATE ZZ100 48B5956C01 TRANSMITTER REMOCON R-56C01 (AA) ZZ110 PTACPWG409 ACCESSORY AS DLD-32U1LPB M591A...
  • Page 47 Service part list PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION SWJ03 5S50101Z90 SW TACT THVV502GDA X201 5XJ27R00AE CRYSTAL QUARTZ HC-49/S 27.000MHZ 10PF 30PPM SWJ04 5S50101Z90 SW TACT THVV502GDA X501 5XJ27R00AC CRYSTAL QUARTZ HC-49/S 27.000MHZ 15PF 20PPM SWJ05 5S50101Z90 SW TACT THVV502GDA...
  • Page 48 Service part list PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION CC237 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 CC524 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 CC238 HCBF105KBA C CHIP CERA 16V X7R K 1MF 1608 CC525 HCBK104KBA C CHIP CERA...
  • Page 49 Service part list PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION CC936 HCBF105KBA C CHIP CERA 16V X7R K 1MF 1608 CC742 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 CC937 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608 CC744 HCBK104KBA C CHIP CERA...
  • Page 50 Service part list PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION RC304 HRFT101JBA R CHIP 1/10 100 OHM J 1608 RC554 HRFT470JBA R CHIP 1/10 47 OHM J 1608 RC305 HRFT103JBA R CHIP 1/10 10K OHM J 1608 RC555 HRFT000JBA R CHIP...
  • Page 51 Service part list PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION CE673 CEXF1E102V C ELECTRO 25V RSS 1000MF (13X20) TP SW501 5S50101Z90 SW TACT THVV502GDA CE674 CEXF1E102V C ELECTRO 25V RSS 1000MF (13X20) TP ZZ200 PTMPJ1G409 PCB MAIN CHIP A AS DLD-32U1LPB CE820 CEXE1A102B...
  • Page 52 Service part list PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION CC781 HCBK221KBA C CHIP CERA 50V X7R 220PF K 1608 LC206 HFF102B00B F CHIP FERRITE BEAD 1000 OHM PBY 1608 CC821 HCBK103KBA C CHIP CERA 50V X7R 0.01MF K 1608 LC207 HFF102B00B F CHIP FERRITE BEAD...
  • Page 53 Service part list PART CODE PART NAME DESCRIPTION PART CODE PART NAME DESCRIPTION RC105 HRFT102JBA R CHIP 1/10 1K OHM J 1608 RC458 HRFT470JBA R CHIP 1/10 47 OHM J 1608 RC106 HRFT101JBA R CHIP 1/10 100 OHM J 1608 RC459 HRFT470JBA R CHIP...

  • Page 54: Circuit Diagram

    10. Circuit Diagram -54-...
  • Page 55 Circuit Diagram -55-...
  • Page 56 Circuit Diagram -56-...
  • Page 57 Circuit Diagram -57-...
  • Page 58 Circuit Diagram -58-...
  • Page 59 Circuit Diagram -59-...
  • Page 60 DAEWOO ELECTRONICS CORP. 686, AHYEON-DONG, MAPO-GU, SEOUL, KOREA. C.P.O. BOX 8003 SEOUL KOREA PRINTED DATE : Jan. 2008 -54-...

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