Summary of Contents for DAYTEK LC1508NT
- Page 1 LCD TV SERVICE MANUAL Model list LC1508NT LC1521NT LC2018NT DAYTEK Digital Flat Display Division...
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Page 2: Important Service Safety Information
IMPORTANT SERVICE SAFETY INFORMATION Operating the receiver outside of its cabinet or with its back removed involves a shock hazard. Work on these models should only be performed by those who are thoroughly familiar with precautions necessary when working on high voltage equipment. -
Page 3: Specification
A. SPECIFICATION System : NTSC-M Channel : Antenna 2-69 CATV 1-125 IF Frenquency Video： 45.75MHz Sound： 42.17MHz Chroma： 41.25MHz Audio output power 10%THD 1W X 2 Antenna Impedance 75Ω(Unbalance) Power Consumption Power Supply : AC~100-240V,50/60Hz (Adapter) DC12V 3A（TV） item Port list （KLC-1508US） RF cable Video and Audio S-Video... -
Page 4: Adjustment Manual
ADJUSTMENT MANUAL Ⅰ. TEST NOTE Please follow the pointed test steps and choose the right test equipment to conduct adjustment, otherwise good effect of Unit could not be obtained. The unit should be warmed up for 30 minutes before adjustment and every parameter should be adjusted repeatedly till the optimum value obtained, the pointed voltage value should be ensured during test to get satisfied test result. -
Page 5: Block Diagram
4.5 White calibration adjustment 1 Receive black or white signal under AV or PC mode, adjusting brightness and contrast to set the brightness to 15Nit in dark area and 90 Nit in bright area. 2 Adjust white balance.Press“MENU”button once, then press “PRE.CH”five times to enter factory menu, select “Temp”... -
Page 7: Ic Block Diagram
IC BLOCK DIAGRAM 1 N401(TDA15001H1) 2 N501 (MST518) - Page 8 Trouble Shooting Key IC list Item Type Maker Package Circuit No. Qty. TDA15001H1 Philips QFP128 N401 MST518 MSTAR PQFP160 N501 24LC32A MICROCHIP SOIC-8 N402 24LC21A MICROCHIP SOIC-8 N302 MP1410ES-SOIC-8 SOIC-8 N801,N802 FDS9435A FAIRCHILD SOIC-8 N803 TDA1517 PHILIPS SIL9MPF N200 FSAV330 FAIRCHILD TSSOP-16 N301,N303 (only for...
- Page 9 KLC-1508US...
- Page 10 KLC-1508US...
- Page 11 KLC-1521US...
- Page 12 KLC-1521US...
- Page 13 VCC_8U is for UOC audio 8V BA18BC0FP VCC_5Ua is for UOC and TUNER analog VCC_ADPLL is for MST Vadpll VCC_AMPLL is for MST Vmpll VCC_ADC is for MST Vadc DAYTEK VCC_CORE is for MST Vcore VCC_OP is for MST Voutput Title POWER <Title>...
- Page 14 R103 R372 R373 R104 R107 100p 100p C100 10u/16V L100 VCC_5Ua VCC_5U 47uH ONLY FOR L103 C101 C102 47uH 0.01 KLC-1521US 220u/16V TUNER DAYTEK TUNER & AMP Title <Title> Size Document Number <RevCode> LC-TM1509S Date: Wednesday, March 08, 2006 Sheet...
- Page 15 C206 YUVHSYNC YUV_HSYNC 1 R304 C304 1u R335 AU1IN_L 2 VCC_USB C303 R303 R441 ONLY FOR 2.2K KLC-1521US R306 C306 1u DAYTEK AU1IN_R 2 C305 R305 SCALER INPUTPORT Title <Title> Size Document Number LC-TM1509S Date: Wednesday, March 08, 2006 Sheet...
- Page 16 C475 C466 L413 FB C465 VCC_3.3Usb 10u/16V 0.01 100u/10V VCC_5Ua C480 C481 PWRON_RST (IO mode) VCC_3.3Usb 0.22 10u/16V L412 FB C461 C474 C463 C462 VCC_3.3Usb DAYTEK UOC III Title <Title> Size Document Number LC-TM1509S Date: Wednesday, March 08, 2006 Sheet...
- Page 17 C528 C530 C510 C512 C513 C516 C527 C508 C509 C517 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u 0.1u C511 C514 C515 0.1u 0.1u 0.1u DAYTEK Title SCALER_TSU36AWVJ Size Document Number Custom LC-TM1509S Date: Wednesday, March 08, 2006 Sheet...