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TV - Conventional CRT, LCD Projectors, TFT, Plasma, Big Screen, HDTV, Home theater - Service manuals, repair tips| File information: | |
| File name: | 072ats.pdf [preview 072ats] |
| Size: | 459 kB |
| Extension: | |
| Mfg: | LG |
| Model: | 072ats 🔎 |
| Original: | 072ats 🔎 |
| Descr: | LG TV CT-25Q20ET 072ats.pdf |
| Group: | Electronics > Consumer electronics > TV |
| Uploaded: | 30-08-2022 |
| User: | Anonymous |
| Multipart: | No multipart |
| Information about the files in archive: | ||
| Decompress result: | OK | |
| Extracted files: | 1 | |
File name 072ats.pdf TROUBLESHOOTING GUIDE 37~39 CPT PCB ASSY. NO PIP In case of PIP(AV) In case of PIP(RF) Is there video signal at Is there CVBS signal at No pin29 of IC201? pin24 of ICP3? No Check/Replace IC201. Yes Check I2C Bus. Yes Check TUNER/IF Is there video signal at parts of PIP. No pin26 of ICP3? Yes Check P551A, PP2A. Abnormal Check pins1, 2, 3 of ICP3. Check/Replace Normal ICP3, ICP2. Check pins8, 9, 10, 14 Abnormal of ICP6. Normal Check/Replace Abnormal ICP5, ICP6. Check pins45~48 of IC501. Check IC202, P552A. Normal Check/Replace IC501. | ||
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