File information: | |
File name: | 019ATS.pdf [preview 019ATS] |
Size: | 11 kB |
Extension: | |
Mfg: | LG |
Model: | 019ATS 🔎 |
Original: | 019ATS 🔎 |
Descr: | LG TV RT-21FA32X 019ATS.pdf |
Group: | Electronics > Consumer electronics > TV |
Uploaded: | 23-09-2022 |
User: | Anonymous |
Multipart: | No multipart |
Information about the files in archive: | ||
Decompress result: | OK | |
Extracted files: | 1 | |
File name 019ATS.pdf TROUBLE SHOOTING NO RASTER CHECK +B at D807 cathode Normal Abnormal Check Open Is the voltage at pin61,56 FUSE of AC line & 54 of IC01 3.3V? Yes OK Check /replace No Fuse,DB801 Is the voltage at pin3 Is the voltage at pin14 Check the voltage of IC02 5V? & 39 of IC01 8V? of C806 No 0V Yes No Yes Check the in/out 254~380V Check /replace Check / Replace Check the In/Out of IC844 DB801 IC01,IC02 of IC842 Check pin33 No Check the voltage of IC01(H-out) No No pin3 of IC803 Check &replace Check the voltage IC01 Yes at D805 or D815 Check IC01 cathode Check Q402 pin1 high? No collector waveform Check /replace No IC801,IC803,IC804 Check / Replace Check &replace Yes F812 Q402 |
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