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| ENOVO V15-IIL (NM-C711) No 1.8VALW, missing +1.8VALW_EN https://vlab.su/viewtopic.php?f=58&t=141064 |
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| t34v2 [ 20 мар 2024, 01:54 ] | |
| Заголовок сообщения: | ENOVO V15-IIL (NM-C711) No 1.8VALW, missing +1.8VALW_EN |
Hello! I have ENOVO V15-IIL with NM-C711. Laptop is dead (no reaction after pressing power button) NM-C711 CPU: SRGKG KBC: Ite IT8227E-128 CXA AC Adapter only: I have +3VALW (PL9700 = 3.33V), +5VALW (PL9701 = 5.02V) and +3VALW_PCH (RC711 = 3.33V) power rails working. ON/OFFBTN# = 3.33V I'm missing +1.8VALW (PL9800 = 0.01V, 520Ω). PU9800 pin35 =0V (+1.8VALW_EN ) IT8227E is being powered (+3VL_EC = 3.33V). I've reprogrammed KBC and BIOS, but that didnt help. Any ideas? |
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| i001546 [ 20 мар 2024, 03:24 ] | |
| Заголовок сообщения: | Re: ENOVO V15-IIL (NM-C711) No 1.8VALW, missing +1.8VALW_EN |
EC_ON_1.8V present? Is PR9802 okay? |
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| t34v2 [ 21 мар 2024, 02:24 ] | |
| Заголовок сообщения: | Re: ENOVO V15-IIL (NM-C711) No 1.8VALW, missing +1.8VALW_EN |
No, EC_ON_1.8V =0V (100kΩ) PR9802 is a jumper. PR8902 resistance = 100kΩ IT8227E is not launching EC_ON_1.8V. KBC is 100% functional (i just used it in another motherboard) |
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