Leaderboard
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Popular Content
Showing content with the highest reputation on 01/26/26 in Posts
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Hello experts So, Bob is right. I installed the wrong component: T56. 🙄 I was really incompetent. This board has already been repaired, and the previous owner installed the wrong component, BC172. I always check the component and the schematic; and on the schematic, it's a BC172. Hence the mistake. Now it starts; yes; Bingo! 🙂 😀 Thank you; thank you again. But, well, there are some problems: The sound; I'm going to replace T11. The display is acting up a bit. One scroll bar is stuck in HOLD mode. And others... I'm going to check the connectors, the soldering, etc. Thank you very much.2 points
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There are three different types of RESET circuit. There is pic of them in the downloads area somewhere and they are all different. Felicitations Lamiral.1 point
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You'll tell me; look at your first repaired MPU. !!! Make some comparisons. It's back in its machine and working perfectly thanks to you. I don't want to touch it anymore. Okay, I'm going to investigate my problems. Thanks1 point
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T56 should be a thyristor? 2N5061 or 2N5060 at least that's what should have been removed. You had better check!1 point
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Good evening, everyone. Thank you for taking an interest in my problem. So, T56 = BC172 (new) As are T57, T58, T59, and T60 (BC172) (new) T61 = ZTX510 (new) I'm going to do some checks, track checks and others. Thanks; have a good evening.1 point
