Daewoo LCD TV Manuel de service

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On the board, one high quality video decoder (U100) is provided (VPC3230D of Micronas) to process video inputs coming from the video sources. The v

A keypad connector (S507) is provided which utilizes the integrated low bandwidth ADC in gm2221 for scanning 5-6 keys (menu,V+,V-,P+,P- keys standa

4. GM2221 LCD TV CONTROLLER The gm2221 IC is a highly integrated single channel scaler that can be used for both LCD monitors up to SXGA/UXGA resolu

L5A SERVICE MENU Service Menu is entered by pressing 9, 3, 0, 1 keys on the remote controller when the Picture icon is highlighted in the Main

STAND BY If this Option is OFF, the TV will stay in Stand By mode after a Power On. If this Option is ON, the TV will recall its last stand by s

SELECTIONS This sub-menu contains selections. • TUNER TYPE SAMSUNG / PHILIPS • TELETEXT NO TEXT / FAST / FAST&TOP • MSP CLIP REDUC

NORWAY BG POLAND DK PORTUGAL BG SPAIN BG SWEDEN BG SWITZERLAND BG + L TURKEY BG UNITED KINGDOM I For countries France, Belg

ITEM NAMEOPTIONS/ VALUESDEFAULT VALUES OR SETUPOPTIONSBG ON/OFF ONDK ON/OFF ONI ON/OFF ONLL' ON/OFF ONSCART 2 ON/OFF OFFFAV ON/OFF ONSVHS O

GENESIS GM5221 LCD TV CONTROLLERThe gm5221 is an LCD TV controller supporting resolutions up to SXGA (1280x1024). The gm5221 leverages Genesis pate

1.2 gm5221 Family Features • Intelligent Image Processing™ • Fully programmable zoom ratios • High-quality shrink capability from UXGA resolution •

CONTENTS PAGES Safety instructions 1 Technical specifications 2 Panel Specification 3 Chassis block diagram 4 Scaler block diagram 5 Block diagram

2 gm5221 Pinout The gm5221 devices are packaged in a 208-pin Plastic Quad Flat Pack (PQFP). N/CN/CDCLKJTAG_RESETRESERVEDRESERVEDRESERVEDRESERVEDRESERV

VPC3230D1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 2464 63 62 61 60 59 58 57 56 55 54 53

Video Processing - VPC3230D1. FeaturesVideo Decoding- 4 Composite inputs, 1 S-VHS input- Composite video & sync output- integrated high-quality A/

I2C BUSProcessingMatrixContrastSaturationBrightnessTintSYNC+ClockGenerationAnalogFront EndANALOGComponentFront-End4 x ADCAdaptiveCombFilterColorDecode

Video Processing - VPC3230DPinNo. Pin Name TypeShort Description1 B1/CB1IN INBlue1/Cb1 Analog Component Input2 G1/Y1IN INGreen1/Y1 Analog Component In

Video Processing - VPC3230DPinNo. Pin Name TypeShort Description51 GND SY SUPPLYDGround, Sync Pad Circuitry52 V SUPSY SUPPLYDSupply Voltage, Sync Pad

MSP3410D1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 2464 63 62 61 60 59 58 57 56 55 54 53

PinNo. Pin Name TypeShort Description1 NCNot connected2 I2C_CL IN/OUTI2Cclock3 I2C_DA IN/OUTI2C data4 I2S_CL IN/OUTI2S clock5 I2S_WS IN/OUTI2S word st

PinNo. Pin Name TypeShort Description51 GND SY SUPPLYDGround, Sync Pad Circuitry52 V SUPSY SUPPLYDSupply Voltage, Sync Pad Circuitry53 INTLC OUTInterl

SDA5550 MICROCONTROLLER BLOCK DIAGRAM

SAFETY PRECAUTIONS GENERAL GUIDELINES 1. Always use the manufacturer’s replacement safety components. The critical safety components marked

L5A SPARE PART LISTPOSITION BEKO CODE PART DESCRIPTION056T14-AU1 LCD AU OPTRONICS T140VN01 14" LCD TV056T20-AU1 LCD AU A2

FREQUENCY TABLE (MHz) Channel Number BG I DK L/L' CH 1 49.75 49.75 47.75 CH 2 48.25 59.25 59.25 55.75 CH 3 55.25 77.25 77.25 60.50

Channel Number BG I DK L/L' CH 45 663.25 663.25 663.25 663.25 CH 46 671.25 671.25 671.25 671.25 CH 47 679.25 679.25 679.25 679.25 CH

Channel Number BG I DK L/L' S 15 259.25 271.25 271.25 284.75 S 16 266.25 279.25 279.25 296.75 S 17 273.25 287.25 287.25 55.75 S 18 2

Receiving SystemPAL B/G+I+D/K SECAM L/L'Comb Filter Adaptive 4H\2HScaling Upto SXGA at 75HzGamma Correction 8 to 10-bit LUTHistogram Equalization

14" 15" 17" 17W" 20" 22W" 23W"ManufacturerAUOSamsung Hannstar CMO AUO SanyoSamsung

YUV HS/VSRLRBLOCK DIAGRAM OF MAIN CHASSIS (L5A)Tuner IFVideo DecoderVPC 3230DTeletext DecoderSDA 5550K6T1008V2ESRAM(Optional)M29W040FlashMe

BLOCK DIAGRAM OF SCALERPanel_En Standby Mute ResetBR1_ADJ BLK_ENHS/VSRGBVGA_RGBVGA HS/VSGM 5221 U500LCDCONTROLLER U501PARALELFLASHMEMORYM29W040B(OPTIO

L5A POWER SUPPLY BLOCK DIAGRAM 3.3V-STBY V-INV DC Jack +15V-STBYF600 15V,12V 1.8V-STBYFuse5A +8V2.5V +5V 3.3VINPUT: 12V

L5-A Low-to-Mid End LCD-TV BOARD OVERVIEW L5-A Low-to-Mid End LCD TV board incorporates the LCD Controller gm2221, to create a high quality, stand