LCD TV SERVICE MANUAL - TV & Monitor Service Manual Database

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5. In case of strange screen display in specific modes 5-1. In case of no OSD display (1) Symptom 1) LED is green. 2) The minute discharge is continuously accomplished from the module. (2) Procedure check Is the LVDS cable normal ? Yes Is the VSC Board normal? Yes Is the Ctrl Board of Module normal? No No No Is the LVDS cable connected? No Re-insert the Cable. Does the FIL8548 IC(IC700) operate? No Replace the FIL8548 IC(IC700) Replace the Ctrl B/D. Yes Yes - 18 - Replace the cable. Replace the VSC B/D
5-2. In case there is no display on the screen in specific modes (1) Symptom 1) There is no screen display from a specific input mode (RF, AV, Component, RGB, DVI). (2) Procedure check 1) Check the all input modes have normal display. 2) Check the video(main)/ data(sub), video(main)/ video(sub) have normal displays from the PIP mode or DW mode(re-check it/ swap). (3) In case of an unusual display in RF mode Block A Is the Tuner normal? Yes Is the CXA2069Q normal? Yes Is the FIL8548 normal? No Is the Tuner Cable connected? Re-insert the cable (4) In case of an unusual display in side S-video/ AV mode Is the Video input of the AV Jack(P1400) normal? Yes Is the CXA2069Q normal? Yes Same as Block A No No No No No Are the Input voltage, IIC Communication and HV sync normal? Are the input voltage, IIC Communication and HV sync normal? Check the input source Are the Input voltage, IIC Communication and HV sync normal? - 19 - Yes No No No Are the Input voltage, IIC Communication and CVBS output normal? No Replace the Tuner. Replace the IC. Replace the IC. Replace the IC.
Page 1 and 2: LCD TV SERVICE MANUAL CHASSIS : LD7
Page 3 and 4: SAFETY PRECAUTIONS Many electrical
Page 5 and 6: IC Remove/Replacement Some chassis
Page 7 and 8: 3. Optical Feature(LCD Module-LPL)
Page 9 and 10: 1. Application Range This spec. she
Page 11 and 12: * Before AV ADC Calibration, should
Page 13 and 14: 8. Set information(Serial No & Mode
Page 15 and 16: 2. No Power (1) Symptom 1) Does not
Page 17: 4. No Raster (1) Symptom 1) No OSD
Page 21 and 22: 6. In case of no sound (1) Symptom
Page 23 and 24: MEMO - 23 -
Page 25 and 26: P/No : EBY36717302(1/4) 2007.01.26
Page 27 and 28: P/No : EBY36717302(3/4) 2007.01.26

LCD TV SERVICE MANUAL - TV & Monitor Service Manual Database

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