Service Manual
Page 1
... constitute a risk of electric shock to the presence of uninsulated "dangerous voltage" within an equilateral triangle, is intended to alert the user to persons. CFTD2011 LCD TV/DVD SERVICE MANUAL IMPORTANT INFORMATION WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE CAUTION...
... constitute a risk of electric shock to the presence of uninsulated "dangerous voltage" within an equilateral triangle, is intended to alert the user to persons. CFTD2011 LCD TV/DVD SERVICE MANUAL IMPORTANT INFORMATION WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS PRODUCT TO RAIN OR MOISTURE CAUTION...
Service Manual
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CD:85dB Audio L/R ...2V 1kHz 0dB Distortion ...0.1% 2 TECHNICAL SPECIFICATIONS LCD TV section Screen Size ...20 TFT-LCDPanel Aspect Ration ...4:3 Contrast Ratio ...600:1 Brightness ...500 cd/m2 High color saturation ...NTSC 7...Resolution ...480I/480P Pixel Pitch(HXV) ...0.2125mm 0.6375mm Display colors ...0.26M ResponseTime(Tr/Tf) ...3/5ms Viewing Angles Horizontal ...160Degree Viewing Angles Vertical ...140Degree TV Tuning Compatible ...NTSC 181 Channels Special Features: ...MTS ...Sleep Timer ...4H comb filter ...Deinterlace ...V-chip ...Closed Caption ...Full function remote control Input ...
CD:85dB Audio L/R ...2V 1kHz 0dB Distortion ...0.1% 2 TECHNICAL SPECIFICATIONS LCD TV section Screen Size ...20 TFT-LCDPanel Aspect Ration ...4:3 Contrast Ratio ...600:1 Brightness ...500 cd/m2 High color saturation ...NTSC 7...Resolution ...480I/480P Pixel Pitch(HXV) ...0.2125mm 0.6375mm Display colors ...0.26M ResponseTime(Tr/Tf) ...3/5ms Viewing Angles Horizontal ...160Degree Viewing Angles Vertical ...140Degree TV Tuning Compatible ...NTSC 181 Channels Special Features: ...MTS ...Sleep Timer ...4H comb filter ...Deinterlace ...V-chip ...Closed Caption ...Full function remote control Input ...
Service Manual
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TROUBLE SHOOTING FLOW CHART (1) TV / AV no picture No picture All Source Color NG All Source YCBCR Video issue Line in Picture All Source Only one source Noise All Source TV Check U7,U15 Back to default setting Chack U7,U15 Chect Panel Check LVDS wire Check U7,U15 Back to default setting Check U15 out/put Check signal source Check Front Panel Check Main Board ( U7,U15 ) Check Main Board Check Main Board ( U7,U15 ) Check Main Board Check signal source Select TV source on OSD Superimposed image All Source Check Main Board ( U7.U15 ) 3
TROUBLE SHOOTING FLOW CHART (1) TV / AV no picture No picture All Source Color NG All Source YCBCR Video issue Line in Picture All Source Only one source Noise All Source TV Check U7,U15 Back to default setting Chack U7,U15 Chect Panel Check LVDS wire Check U7,U15 Back to default setting Check U15 out/put Check signal source Check Front Panel Check Main Board ( U7,U15 ) Check Main Board Check Main Board ( U7,U15 ) Check Main Board Check signal source Select TV source on OSD Superimposed image All Source Check Main Board ( U7.U15 ) 3
Service Manual
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TROUBLE SHOOTING FLOW CHART (2) TV No Sound Check or change U7,U18 Back to default setting Other Source CheckU18dcheck U26,U27 output Check Main Board and wire connecting R or L no sound all source one port all source Check Main Board dwiredU26,U27 output Check U7 Check Speaker connecting Check U7,U26,U27 Check Speaker connecting Check U7,U26,U27 Audio Issue Noise Check Speaker one port Check U7,U26,U27 Check signal input source Sound low all source TV Check U7,U26,U27 Check U26,U27 power supply check signal source Back to default setting Check U7,U26,U27 4
TROUBLE SHOOTING FLOW CHART (2) TV No Sound Check or change U7,U18 Back to default setting Other Source CheckU18dcheck U26,U27 output Check Main Board and wire connecting R or L no sound all source one port all source Check Main Board dwiredU26,U27 output Check U7 Check Speaker connecting Check U7,U26,U27 Check Speaker connecting Check U7,U26,U27 Audio Issue Noise Check Speaker one port Check U7,U26,U27 Check signal input source Sound low all source TV Check U7,U26,U27 Check U26,U27 power supply check signal source Back to default setting Check U7,U26,U27 4
Service Manual
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WIRING DIAGRAM R-CH SPEAKER INVERTER CN7 DVD BOARD CN6 CN1 POWER BOARD FCC Cable to LCD Panel J1 J3 TV MAIN BOARD J2 J5 J12 J11 J7 KEY/IR BOARD L-CH INVERTER 7 7
WIRING DIAGRAM R-CH SPEAKER INVERTER CN7 DVD BOARD CN6 CN1 POWER BOARD FCC Cable to LCD Panel J1 J3 TV MAIN BOARD J2 J5 J12 J11 J7 KEY/IR BOARD L-CH INVERTER 7 7
Service Manual
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simultaneously and hold 3 seconds,panel will display DVD & TV version. 43 press Select key will display FACTORY MODE. 15.use remote to select SysInfo icon . HOW TO GET TV Verson: 14.at TV mode . press key pad VOL+ & CH- FIRMWARE UPGRADE METHED 13.ISP OK ,release all connect , open power.
simultaneously and hold 3 seconds,panel will display DVD & TV version. 43 press Select key will display FACTORY MODE. 15.use remote to select SysInfo icon . HOW TO GET TV Verson: 14.at TV mode . press key pad VOL+ & CH- FIRMWARE UPGRADE METHED 13.ISP OK ,release all connect , open power.