Daewoo DLM-26C3AMBS Wartungshandbuch

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

-10-Description of Each BlockY signal(input to IC505)Location : CC451Color signal(input to IC505)Location : CC456

Description of Each Block-11-CVBS signal(input to IC505)Location : CC4554-2-2. DTV/DVD signalY signal(input to IC505)Location : CC445

Description of Each Block-12-Pb signal(input to IC505)Location : CC446Pr signal(input to IC505)Location : CC447

Description of Each Block-13-G signal(input to IC505)Location : CC452B signal(input to IC505)Location : CC4534-2-3. PC(Personal Computer) signalR sign

Description of Each Block-14-Horizontal sync(Output of IC505)Location : RC458Vertical sync(Output of IC505)Location : RC459

Description of Each Block-15-4-2-4. HDMI signalLocation : RC465, RC466, RC467, RC468, RC469, RC470, RC471, RC4724-2-5. R/G/B PROCESSING(SCART1, TELETE

Description of Each Block-16-G signal(input to IC505)Location : RC448B signal(input to IC505)Location : RC449

Description of Each Block-17-4-2-6. Audio signal processing, KEY, and LED- Flow Chart of Audio signalCOMP-L soundLocation : ZA225

Description of Each Block-18-IC602 outputLocation : L606, L610IC602 inputLocation : RC685, RC687

-19-Description of Each BlockHeadphone outLocation : RC611, RC612SIF inputLocation : CC654

Contents1. Safety Precautions 32. Product Specification 42-1. PRODUCT SPECIFICATION 42-2. Available Input Signal 63. Block Diagram 74. Description of

-20-Description of Each BlockI2S inputLocation : RC622(CLK)SPDIF outLocation : RC655

-21-Description of Each BlockRemote control signalLocation : RC722Location : RC623(WS)

-22-Description of Each BlockOutputMinimum MaximumOutput CurrentBoardVoltageoutput output Conditionvoltage voltage MIN NOR MAX+29Vdc +27.0Vdc +32.0Vdc

-23-Description of Each Block4-3-2. ConnectorsA. CN7, CN8 pin Spec(YEN-HO 20010WS-14 14P)B. CN5, CN6 Pin Spec(YEON-HO 20010WS -12 12P)CN7(AUO PANNEL)P

-24-Description of Each BlockD. CN4 Pin Spec(YEON HO SMW025-09 9P)PIN NO. OUTPUT1 +12V2 +12V3 GND4 GND5 +5VS6 PWR ON/OFF7 GND8 GND9 +5VSE. CN3 Pin Spe

5. SERVICE MODE-25-5-1. Checking initial Menu Data5-1-1. Check initial data of User MenuA. Picture- Mode : Standard- Brightness : 32- Contrast : 58- C

SERVICE MODE-26-• Name : _____• System : PAL• Sound : BG• Fine Tuning : 0- Edit5-2. Entering SERVICE MODEUsing the Service Remote controller, you can

SERVICE MODE-27-Key Name DetailsFunctionRemarkDefault AdjustmentDefault AdjustmentVideo sub bri 35 FIX Do Not UseVideo sub cont 118 FIX Do Not UseVide

SERVICE MODE-28-5-2-2. Description of SERVICE MODE ITEMA. S1(1) : Heat-Run KeyB. S2(2) : Gumi Channel Map WriteC. S3(3) : Volume Test=> This key ca

6. WHITE BALANCE Adjusting Method-29-To adjust WHITE BALANCE, refer to below process.6-1. Insert white pattern to component inputSignal Generator : 80

-3-1. 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 the brok

7. Main PCBs Trouble Diagnosis-30-7-1. MAIN PCB Trouble Diagnosis7-1-1. Common checking process when “No signal of Noraster”No signal : OSD is working

Main PCBs Trouble Diagnosis-31-A. When “No signal” in CVBS(RF, AV)1) First check if other inputs are working-> if other inputs are not working, rep

Main PCBs Trouble Diagnosis-32-B. When “No signal” in Y/C signal(S-Video)1) First check if other inputs are working-> if other inputs are not worki

Main PCBs Trouble Diagnosis-33-C. When “No signal” in Y/Pb/Pr signal(Component)1) First check if other inputs are working-> if other inputs are not

Main PCBs Trouble Diagnosis-34-D. When “No signal” in PC1) First check if other inputs are working-> if other inputs are not working, replace MAIN

Main PCBs Trouble Diagnosis-35-- Main TP(G signal) : CC452, LC218- Main TP(B signal) : LC219, CC453- Main TP(H-sync) : RC458

Main PCBs Trouble Diagnosis-36-- Main TP(V-sync) : RC459E. When “No signal” in HDMI1) First check if other inputs are working-> if other inputs are

Main PCBs Trouble Diagnosis-37-7-1-2. When No SoundA. OverviewCheck StartDo images displ-ay on screen?1.Check AC connection2.Check Power S/W ON3.Check

Main PCBs Trouble Diagnosis-38-1) First check if images are displaying-> If images are not displaying, replace MAIN PCB2) Checking waveforms with 1

7-1-3. When Control Key does not operateA. First check connection, and then check the output of first pin of PA912(ST-BY 3.3V)B. Check waveform first

-4-2. Product Specification2-1. PRODUCT SPECIFICATIONFeatures DLM-26C2AMSB DLM-32C2AMSBLCD Panel Screen Size 26” 32”Aspect Ratio 16 : 9 16 : 9Resoluti

7-1-4. When Remote Controller does not operate.A. Check the connection between Main PCB and LED PCB.B. Check the waveform first pin(IR) of PA912 to co

Main PCBs Trouble Diagnosis-41-Remote control signal (First pin of PA912)

Main PCBs Trouble Diagnosis-42-7-2. POWER PCBCheck StartAfter turn on The power, Does LED turn on light?After Power on, Does Picture on?Replace POWER

-43-8. Trouble Diagnosis8-1. Facts you must know when trouble Diagnosing or Repairing.A. Trouble diagnosing and repairing of set mean find out which P

-44-Trouble Diagnosis8-2. Typical Symptoms of PCBs problem or bad connectionA. Symptom of initial latch up- Define initial latch up : When turn on the

-45-9. Structure of LCD SetCOMPONENT PICTURE REMARKLCD PANETALL CONNECTORCONNECTIONPOWER BOARDMAIN BOARD

-46-Structure of LCD SetCOMPONENT PICTURE REMARKFRONT MASKBACK COVERSTAND

10. EXPLODED VIEW-47-DLM-26C2

EXPLODED VIEW-48-DLM-26C3

EXPLODED VIEW-49-DLM-32C2

Product Specification-5-Features DLM-37C3LMBS DLM-42C1LMRLCD Panel Screen Size 37” 42”Aspect Ratio 16 : 9 16 : 9Resolution 1366 X 768(WXGA) 1366 X 768

EXPLODED VIEW-50-DLM-32C3

EXPLODED VIEW-51-DLM-37C3

EXPLODED VIEW-52-DLM-42C1

-53-11. Part ListZZ100 48B5454D06 TRANSMITTER REMOCON R-54D06 (AAA)ZZ110 PTACPWG151 ACCESSORY AS DLP-26C3AMBS60 4850Q01210 BATTERY LR03 AAA ALKALINEM2

-54-Part ListCC476 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608CC477 HCBK104KBA C CHIP CERA 50V X7R 0.1MF K 1608CC478 HCBK104KBA C CHIP CERA 50V X7R 0.

-55-Part ListC552 CEXF1C220A C ELECTRO 16V RSM 22MF (5X7)C555 CEXF1C220A C ELECTRO 16V RSM 22MF (5X7)C563 CEXF1C470A C ELECTRO 16V RSM 47MF (5X7) TPC5

-56-Part ListCC686 HCFF474ZBA C CHIP CERA Y5V 16V 0.47MF Z 1608CC701 HCQK200JBA C CHIP CERA 50V CH 20PF J 1608CC702 HCQK200JBA C CHIP CERA 50V CH 20P

-57-Part ListLC593 HFF300B01A F CHIP FERRITE BEAD 30 OHM UPB 1608LC594 HFF300B01A F CHIP FERRITE BEAD 30 OHM UPB 1608LC595 HFF300B01A F CHIP FERRITE B

-58-Part ListRC446 HRFT470JBA R CHIP 1/10 47 OHM J 1608RC447 HRFT470JBA R CHIP 1/10 47 OHM J 1608RC448 HRFT100JBA R CHIP 1/10 10 OHM J 1608RC449 HRFT1

Part List-59-RC718 HRFT101JBA R CHIP 1/10 100 OHM J 1608RC719 HRFT101JBA R CHIP 1/10 100 OHM J 1608RC720 HRFT472JBA R CHIP 1/10 4.7K OHM J 1608RC721 H

Product Specification-6-2-2. Available Input Signal2-2-1. HDMI/ PC/COMPONENT2-2-2. VIDEO- PAL, PAL-M, PAL-N- NTSC, NTSC4.43- SECAMResolution V-freq HD

Part List-60-I801 1FA5501AP- IC FA5501API802 PTA3SW3100 HEAT SINK ASS`Y 1STRT2268- + 712830125200001 1STRT2268- IC POWER STR-T22680000A 4857033100 HEA

Part List-61-RS803 RS01Z823J- R M-OXIDE FILM 1W 82K OHM J (TAPPING)ZZ200 PTPWJRG116 PCB POWER RADIAL AS DLP-32C2AMSBC812 CCXR3A101K C CERA 1KV R 100PF

Part List-62-A001 PCB UNION 122.5X51(330X246/2X4) D1B PTUNJAG117A001 PCB UNION 189X235.5 PTUNJ1G151C996 C CERA 50V F 0.1MF Z AXL(1608) PTUNJAG117CC293

Part List-63-M191A SCREW TAPPTITE TT2 WAS 3X10 MFZN BK 3CR PTCACAG155M201 MASK FRONT HIPS BK PTFMSJG146M201 MASK FRONT HIPS BK PTFMSJG155M201B SCREW T

Part List-64-M723B SCREW TAPPTITE TT2 BIN 3X10 MFZN BK 3CR PTCACAG151M723B SCREW TAPPTITE TT2 WAS 3X10 MFZN BK 3CR PTCACAG116M801 BOX CARTON DW-3 PTPK

Part List-65-00001 DIODE BRIDGE GBJ606 PTA3SW290000001 DIODE FMX-22SL PTB2SW450800001 DIODE FME-210B PTC2SW450800001 FET STW20NM60 PTE2SW450800001 IC

Part List-66-00001 DIODE BRIDGE GBJ606 PTA3SW290000001 DIODE FMX-22SL PTB2SW450800001 DIODE FME-210B PTC2SW450800001 FET STW20NM60 PTE2SW450800001 IC

12. Circuit Diagram-67-

Circuit Diagram-68-

Circuit Diagram-69-

-7-3. Block Diagram

Circuit Diagram-70-

Circuit Diagram-71-

-72-Circuit Diagram

Circuit Diagram-73-

DAEWOO ELECTRONICS CORP.686, AHYEON-DONG, MAPO-GU,SEOUL, KOREA.C.P.O. BOX 8003 SEOUL KOREAPRINTED DATE : OCT. 2006

-8-4. Description of Each Block4-1. Block Diagram of Main IC and TP

-9-4-2. OverviewDigital PCB is Multi Media circuit board that can process various input signals such as video, component, PC, HDMI, and analog TV sign