Service Manual
Page 25
... Fuse fail D10,D11 LED is high? (Display_ON) Remove R87. Trace componect 1 from Input To U13 circuit Check R190,R191 Yes 1 Use GProbe connect No from main to PC. DO NOT COPY Page 9-6 File No. SG-0219 No No Check W1 pin 27 is lighting? Yes No Check U3.4Î3.3V U3...high U2,U5Î ON Check +3.3V_SW ,+5V_SW,+12V_SW (pin 5,6 and pin 7,8) PDP DISPLAY NOTHING(Analog HD1 without Y signal) U2,U5 fail Block 1 No Is picture on /off default) Start No Power LED is lighting? Check component 1 No (Y signal) ÎC252 Is there sync? Check AC power cord Yes No Power...
... Fuse fail D10,D11 LED is high? (Display_ON) Remove R87. Trace componect 1 from Input To U13 circuit Check R190,R191 Yes 1 Use GProbe connect No from main to PC. DO NOT COPY Page 9-6 File No. SG-0219 No No Check W1 pin 27 is lighting? Yes No Check U3.4Î3.3V U3...high U2,U5Î ON Check +3.3V_SW ,+5V_SW,+12V_SW (pin 5,6 and pin 7,8) PDP DISPLAY NOTHING(Analog HD1 without Y signal) U2,U5 fail Block 1 No Is picture on /off default) Start No Power LED is lighting? Check component 1 No (Y signal) ÎC252 Is there sync? Check AC power cord Yes No Power...
Service Manual
Page 26
...Is there sync? PDP DISPLAY NOTHING(Analog HD1 without Pr signal) BLOCK 1 No Is picture on screen? Trace componect 1 from Input To U13 circuit Check R196,R198 Yes Use GProbe connect No from main to PC. Does scaler detect the signal? Check component 1 No (Y signal) =>C255 Is there ...mode without Y signal) BLOCK 1 No Is picture on screen? SG-0219 Check component 1 No (Pb signal) ÎC259 Is there sync? Trace componect 1 from Input To U13 circuit Check R204,R201 Yes Use GProbe connect No from main to PC. Does scaler detect the signal? Trace componect 1...
...Is there sync? PDP DISPLAY NOTHING(Analog HD1 without Pr signal) BLOCK 1 No Is picture on screen? Trace componect 1 from Input To U13 circuit Check R196,R198 Yes Use GProbe connect No from main to PC. Does scaler detect the signal? Check component 1 No (Y signal) =>C255 Is there ...mode without Y signal) BLOCK 1 No Is picture on screen? SG-0219 Check component 1 No (Pb signal) ÎC259 Is there sync? Trace componect 1 from Input To U13 circuit Check R204,R201 Yes Use GProbe connect No from main to PC. Does scaler detect the signal? Trace componect 1...
Service Manual
Page 27
...sync? Trace componect 1 from Input To U10 circuit Check R205,R204 Yes Use GProbe connect No from main to PC. SG-0219 U10 fail PDP DISPLAY NOTHING(Analog HD2 without Pr signal) BLOCK 1 No Is picture on screen? Does scaler detect the signal? Does scaler detect the signal? Trace ...componect 1 from Input To U10 circuit Check R200,R198 Yes Use GProbe connect No from main to PC. PDP DISPLAY NOTHING(Analog HD1 on PIP mode ...
...sync? Trace componect 1 from Input To U10 circuit Check R205,R204 Yes Use GProbe connect No from main to PC. SG-0219 U10 fail PDP DISPLAY NOTHING(Analog HD2 without Pr signal) BLOCK 1 No Is picture on screen? Does scaler detect the signal? Does scaler detect the signal? Trace ...componect 1 from Input To U10 circuit Check R200,R198 Yes Use GProbe connect No from main to PC. PDP DISPLAY NOTHING(Analog HD1 on PIP mode ...
Service Manual
Page 28
...No 1.C256,C261(AC coupled) 2.R215 Input source fail 3.R218(75ohm) PDP DISPLAY NOTHING(Analog HD2 on PIP mode without Y signal) BLOCK 1 Is picture on screen? U13 fail Yes Check before U23's circuit No 1.C268,C269(AC coupled) 2.R211 Input source fail 3.R217(75ohm) PDP DISPLAY NOTHING(Analog HD2...3(+5V) Output clamp voltageÎpin 32(+5V) VCC3Îpin 22,23(+5V) Input_switch_selectÎhigh(+5V) U24 fail Use GProbe connect No from main to PC. PDP DISPLAY NOTHING(Analog HD2 without Pr signal) BLOCK 1 No Is no blue color on screen? Does scaler detect the signal? No...
...No 1.C256,C261(AC coupled) 2.R215 Input source fail 3.R218(75ohm) PDP DISPLAY NOTHING(Analog HD2 on PIP mode without Y signal) BLOCK 1 Is picture on screen? U13 fail Yes Check before U23's circuit No 1.C268,C269(AC coupled) 2.R211 Input source fail 3.R217(75ohm) PDP DISPLAY NOTHING(Analog HD2...3(+5V) Output clamp voltageÎpin 32(+5V) VCC3Îpin 22,23(+5V) Input_switch_selectÎhigh(+5V) U24 fail Use GProbe connect No from main to PC. PDP DISPLAY NOTHING(Analog HD2 without Pr signal) BLOCK 1 No Is no blue color on screen? Does scaler detect the signal? No...
Service Manual
Page 29
...;pin 5(+5V) Output clamp voltageÎpin 29(+5V) VCC3Îpin 22,23(+5V) Input_switch_selectÎhigh(+5V) U24 fail Use GProbe connect No from main to PC. Check U45 H sync output Î U45 pin4,R181 No V sync output Î U45 pin8,R184 Is there signal? Yes Yes Check U45 H...;pin 1(+5V) Output clamp voltageÎpin 35(+5V) VCC3Îpin 22,23(+5V) Input_switch_selectÎhigh(+5V) U24 fail Use GProbe connect No from main to PC. U10 fail Yes Check before U24's circuit No 1.C276,C281(AC coupled) 2.R215 Input source fail 3.R218(75ohm) PDP DISPLAY NOTHING(RGB) ...
...;pin 5(+5V) Output clamp voltageÎpin 29(+5V) VCC3Îpin 22,23(+5V) Input_switch_selectÎhigh(+5V) U24 fail Use GProbe connect No from main to PC. Check U45 H sync output Î U45 pin4,R181 No V sync output Î U45 pin8,R184 Is there signal? Yes Yes Check U45 H...;pin 1(+5V) Output clamp voltageÎpin 35(+5V) VCC3Îpin 22,23(+5V) Input_switch_selectÎhigh(+5V) U24 fail Use GProbe connect No from main to PC. U10 fail Yes Check before U24's circuit No 1.C276,C281(AC coupled) 2.R215 Input source fail 3.R218(75ohm) PDP DISPLAY NOTHING(RGB) ...
Service Manual
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...2.R276 Check input source 3.R279(75ohm impedance) Is there signal? 7 CONFIDENTIAL - Is there signal? Check Q28's emitter. Yes Use GProbe connect No from main to PC. SG-0219 Yes No No Check Q28's emitter. No Is there signal? No Check input source PDP DISPLAY NOTHING(Composite 1 on screen?... to PC. DO NOT COPY Page 9-12 File No. Check C310,R275,R274 Is there signal? Q13 fail Yes Q28 fail Check: 1.C309 (signal AC coupled) 2.R276 3.R279(75ohm impedance) Is there signal? Is there signal? No Is picture on PIP without screen) BLOCK 1 No Is picture on ...
...2.R276 Check input source 3.R279(75ohm impedance) Is there signal? 7 CONFIDENTIAL - Is there signal? Check Q28's emitter. Yes Use GProbe connect No from main to PC. SG-0219 Yes No No Check Q28's emitter. No Is there signal? No Check input source PDP DISPLAY NOTHING(Composite 1 on screen?... to PC. DO NOT COPY Page 9-12 File No. Check C310,R275,R274 Is there signal? Q13 fail Yes Q28 fail Check: 1.C309 (signal AC coupled) 2.R276 3.R279(75ohm impedance) Is there signal? Is there signal? No Is picture on PIP without screen) BLOCK 1 No Is picture on ...
Service Manual
Page 32
...Is picture on screen? Q10 fail Yes Q29 fail Check: 1.C315 (signal AC coupled) 2.R282 3.R283(75ohm impedance) Is there signal? Is there signal? Check Q29's Base. Check Q29's emitter. Is there signal? Does scaler detect the signal? SG-0219 Use GProbe connect No from main to PC.... Check collector voltage(+5V). No Check input source PDP DISPLAY NOTHING(Composite 2 on screen? Yes Use GProbe connect No from main to PC. No Is there signal? DO NOT COPY 8 Page 9-13...
...Is picture on screen? Q10 fail Yes Q29 fail Check: 1.C315 (signal AC coupled) 2.R282 3.R283(75ohm impedance) Is there signal? Is there signal? Check Q29's Base. Check Q29's emitter. Is there signal? Does scaler detect the signal? SG-0219 Use GProbe connect No from main to PC.... Check collector voltage(+5V). No Check input source PDP DISPLAY NOTHING(Composite 2 on screen? Yes Use GProbe connect No from main to PC. No Is there signal? DO NOT COPY 8 Page 9-13...
Service Manual
Page 33
... impedance) Is there signal? DO NOT COPY 9 Page 9-14 File No. Use GProbe connect No from main to PC. No Check input source Q30 fail Is picture color ok? Is there signal? Yes Use GProbe connect No from main to PC. Does scaler detect the signal? Check collector voltage(+5V). Yes No No Check Q30...
... impedance) Is there signal? DO NOT COPY 9 Page 9-14 File No. Use GProbe connect No from main to PC. No Check input source Q30 fail Is picture color ok? Is there signal? Yes Use GProbe connect No from main to PC. Does scaler detect the signal? Check collector voltage(+5V). Yes No No Check Q30...
Service Manual
Page 34
...10 Page 9-15 File No. SG-0219 No Is there signal? No Is picture color ok? Is there signal? Check Q30's Base. Is there signal? Check collector voltage(+5V). Yes Use GProbe connect No from main to PC. Check collector voltage(+5V). No Check input source No No No Check Q31...Q31's emitter. Yes No No Check Q30's emitter. Is there signal? Use GProbe connect No from main to PC. Does scaler detect the signal? PDP DISPLAY NOTHING(S-VIDEO 1 on PIP mode without screen) BLOCK 1 No Is picture on screen? Check C318,R291,R292 Is there signal? Q10 fail Yes Q30 fail...
...10 Page 9-15 File No. SG-0219 No Is there signal? No Is picture color ok? Is there signal? Check Q30's Base. Is there signal? Check collector voltage(+5V). Yes Use GProbe connect No from main to PC. Check collector voltage(+5V). No Check input source No No No Check Q31...Q31's emitter. Yes No No Check Q30's emitter. Is there signal? Use GProbe connect No from main to PC. Does scaler detect the signal? PDP DISPLAY NOTHING(S-VIDEO 1 on PIP mode without screen) BLOCK 1 No Is picture on screen? Check C318,R291,R292 Is there signal? Q10 fail Yes Q30 fail...
Service Manual
Page 35
...Q32's emitter. Check collector voltage(+5V). PDP DISPLAY NOTHING(S-VIDEO 2 without screen) BLOCK 1 No Is picture on screen? Is there signal? Use GProbe connect No from main to PC. Is there signal? No Check input source Q32 fail CONFIDENTIAL - U13 fail Yes Check: 1.C335 (signal...R302(75ohm impedance) Is there signal? Check collector voltage(+5V). Is there signal? No Is there signal? Yes Use GProbe connect No from main to PC. Check C332,R316,R320 Is there signal? Does scaler detect the signal? U13 fail Yes Check: 1.C333 (signal AC coupled...
...Q32's emitter. Check collector voltage(+5V). PDP DISPLAY NOTHING(S-VIDEO 2 without screen) BLOCK 1 No Is picture on screen? Is there signal? Use GProbe connect No from main to PC. Is there signal? No Check input source Q32 fail CONFIDENTIAL - U13 fail Yes Check: 1.C335 (signal...R302(75ohm impedance) Is there signal? Check collector voltage(+5V). Is there signal? No Is there signal? Yes Use GProbe connect No from main to PC. Check C332,R316,R320 Is there signal? Does scaler detect the signal? U13 fail Yes Check: 1.C333 (signal AC coupled...
Service Manual
Page 36
...-0219 Is there signal? Check collector voltage(+5V). DO NOT COPY 12 Page 9-17 File No. Use GProbe connect No from main to PC. Yes Use GProbe connect No from main to PC. Does scaler detect the signal? Check Q33's Base. No Check C334,R317,R318 Check Q32's emitter. No ...Is there signal? Does scaler detect the signal? No No No Check Q32's Base. No Is there signal? No Check input source Q33 fail Is picture color ok? U10 fail Yes Check: 1.C335 (signal AC coupled) 2.R300 3.R302(75ohm impedance) Is there signal? U10 fail Yes Check: 1.C333...
...-0219 Is there signal? Check collector voltage(+5V). DO NOT COPY 12 Page 9-17 File No. Use GProbe connect No from main to PC. Yes Use GProbe connect No from main to PC. Does scaler detect the signal? Check Q33's Base. No Check C334,R317,R318 Check Q32's emitter. No ...Is there signal? Does scaler detect the signal? No No No Check Q32's Base. No Is there signal? No Check input source Q33 fail Is picture color ok? U10 fail Yes Check: 1.C335 (signal AC coupled) 2.R300 3.R302(75ohm impedance) Is there signal? U10 fail Yes Check: 1.C333...