General Electronics Technical Discussion

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Need advice testing a samsung power supply board with scope by repair-it Started by repair-it, 07-12-2025, 11:00 AM	1 response 17 views 0 reactions	Last Post by CapLeaker Yesterday, 02:57 PM
Can someone please help me identify this resistor? by mitsu2k Started by mitsu2k, 07-07-2025, 02:24 PM	28 responses 172 views 0 reactions	Last Post by lotas Yesterday, 12:15 PM
Redirect: Mac mini M4 (A3238) Ripped Chip - Schematics+BoardView Needed by ee91137 Started by ee91137, Yesterday, 11:00 AM	—	—
Yihua 992DA+ Hot air gun and soldering rework station, burnt mark by Peter_1402 Started by Peter_1402, 07-12-2025, 11:50 AM	5 responses 49 views 0 reactions	Last Post by stj Yesterday, 07:05 AM
Why does my ISP router hate my "homemade" power supply?? by double_DD Started by double_DD, 07-12-2025, 03:09 AM	9 responses 55 views 0 reactions	Last Post by CapLeaker 07-12-2025, 08:01 PM
Help me with 65992d chip datasheet by trepachka Started by trepachka, 12-19-2023, 10:03 PM	2 responses 1,077 views 0 reactions	Last Post by nuri05 07-10-2025, 03:49 PM
Can somebody explane notation in schematics by JoSta Started by JoSta, 07-08-2025, 12:05 PM	6 responses 71 views 0 reactions	Last Post by truclacicr 07-10-2025, 10:20 AM
GRT60-145410 brick PSU, how much of a fire hazard is this thing exactly? by spleenharvester Started by spleenharvester, 07-08-2025, 06:02 PM	1 response 41 views 0 reactions	Last Post by stj 07-09-2025, 03:27 AM
Macbook Air A1466 EMC 3178 - 2017 Boot by Sergio Kub Started by Sergio Kub, 07-08-2025, 04:12 PM	0 responses 16 views 0 reactions	Last Post by Sergio Kub 07-08-2025, 04:12 PM
Identify board to board connector by k-krzych Started by k-krzych, 07-08-2025, 12:32 PM	0 responses 14 views 0 reactions	Last Post by k-krzych 07-08-2025, 12:32 PM
Please review my ESP based WLED controller board for WS2815 12V LED Strips - New to electronics. by Geeker007 Started by Geeker007, 06-29-2025, 05:20 PM	8 responses 89 views 0 reactions	Last Post by stj 07-08-2025, 03:09 AM
Redirect: IdeaPad 1 14ALC7 BIOS help by AllTexan2026 Started by AllTexan2026, 07-07-2025, 05:15 PM	—	—
Battery Hookup new listing “Case 100x 3.3v 2200mah - 200x 18650 Lifepo4” for $100.00 + shipping by sam_sam_sam Started by sam_sam_sam, 03-09-2025, 02:30 PM	339 responses 2,225 views 0 reactions	Last Post by sam_sam_sam 07-06-2025, 08:31 PM
Alexia thermostat is this a good idea for for controlling your air conditioning system feedback wanted by sam_sam_sam Started by sam_sam_sam, 06-22-2025, 10:23 AM	16 responses 123 views 0 reactions	Last Post by sam_sam_sam 07-03-2025, 03:43 PM
Is this a fusible resistor? by bluto Started by bluto, 07-01-2025, 01:30 PM	3 responses 37 views 0 reactions	Last Post by truclacicr 07-01-2025, 05:24 PM
XMCQH128A Programming issue by hikesync Started by hikesync, 06-26-2025, 11:22 AM	2 responses 57 views 0 reactions	Last Post by lotas 06-27-2025, 12:36 PM
FFN 551 IC need help to identify by cmn.fix Started by cmn.fix, 06-26-2025, 08:09 AM	2 responses 38 views 0 reactions	Last Post by cmn.fix 06-26-2025, 10:00 AM
Questions About USB 3.2 Gen 2x2 and USB4 Designs: Type-A vs Type-C, MUX Requirem by electronx Started by electronx, 06-26-2025, 03:27 AM	0 responses 24 views 0 reactions	Last Post by electronx 06-26-2025, 03:27 AM
Adjustable Boost Power Supply DC-DC Constant Voltage Current Charging Module by sam_sam_sam Started by sam_sam_sam, 05-18-2025, 09:45 AM	32 responses 288 views 0 reactions	Last Post by sam_sam_sam 06-22-2025, 01:42 PM
MOSFET? Is its voltage reading normal? by alro7779 Started by alro7779, 06-19-2025, 08:19 AM	2 responses 67 views 0 reactions	Last Post by alro7779 06-19-2025, 02:57 PM
Behringer Eurolive B205D repair - help identifying transistor by magneh Started by magneh, 06-18-2025, 02:34 AM	4 responses 70 views 0 reactions	Last Post by CapLeaker 06-19-2025, 04:02 AM
Motorbike PCB - burned Diodes ( PJ78) - help to identify identical or equivalent by magneh Started by magneh, 05-19-2025, 07:38 AM	3 responses 91 views 0 reactions	Last Post by magneh 06-18-2025, 02:19 AM
please help with complex dmm connector by harp Started by harp, 06-15-2025, 07:04 AM	5 responses 85 views 0 reactions	Last Post by harp 06-17-2025, 04:09 PM
Looking for a Fuse T4AL/250V by Gadjet Started by Gadjet, 06-15-2025, 09:16 AM	5 responses 58 views 0 reactions	Last Post by Gadjet 06-16-2025, 09:30 PM
Trying to identify PWM controller on a Netapp PSU (model ym-2751a) the component on the picture by vjsmoreira Started by vjsmoreira, 06-16-2025, 01:46 PM	4 responses 48 views 0 reactions	Last Post by stj 06-16-2025, 05:43 PM
Help Needed to Find Replacement for the IC Chip - CY1341A by ant3202 Started by ant3202, 05-15-2025, 08:45 PM	3 responses 52 views 0 reactions	Last Post by ant3202 06-16-2025, 02:44 AM
Diode marked as "E57".........not able to find it by reference by Francesc V. Started by Francesc V., 06-14-2025, 09:56 AM	2 responses 55 views 0 reactions	Last Post by Francesc V. 06-15-2025, 01:14 AM
Should I take this undertaking “ Fault & Not Work 8000W LF Split Phase Pure Sine Wave Power Inverter DC24V/AC110V” by sam_sam_sam Started by sam_sam_sam, 06-12-2025, 06:46 AM	5 responses 85 views 0 reactions	Last Post by stj 06-13-2025, 07:34 AM
it5570e-128 schematic by Rahul Morya Started by Rahul Morya, 02-25-2024, 01:00 AM	9 responses 6,958 views 0 reactions	Last Post by Maxsupri Informatica 06-12-2025, 09:32 AM
Resistor with "1:R2" printed on it.....what value should I read? by Francesc V. Started by Francesc V., 06-11-2025, 06:27 AM	7 responses 93 views 0 reactions	Last Post by Francesc V. 06-11-2025, 11:46 PM
KODISC : NEW Electronics Circuity Video generation AI app by oxygensys Started by oxygensys, 06-09-2025, 10:13 PM	0 responses 30 views 0 reactions	Last Post by oxygensys 06-09-2025, 10:13 PM
Upgrading Whole Home Surge Protector MOVs (Eaton CHSPT2SURGE) by nobbnobb1 Started by nobbnobb1, 06-04-2025, 08:40 AM	4 responses 59 views 0 reactions	Last Post by momaka 06-07-2025, 11:11 AM
Need help verifying this MOV by repair-it Started by repair-it, 06-04-2025, 05:14 PM	3 responses 42 views 0 reactions	Last Post by CapLeaker 06-05-2025, 12:14 PM
can bypass damage vreg by harp Started by harp, 06-02-2025, 08:06 AM	5 responses 51 views 0 reactions	Last Post by stj 06-04-2025, 04:33 AM
Jeep Drive-train control module repair by unimatrix93 Started by unimatrix93, 06-03-2025, 01:21 AM	2 responses 43 views 0 reactions	Last Post by unimatrix93 06-03-2025, 06:00 AM
Motherboard component ID and can it be repaired? by 5mall5nail5 Started by 5mall5nail5, 06-02-2025, 11:29 AM	1 response 49 views 0 reactions	Last Post by truclacicr 06-02-2025, 01:36 PM
Looking for someone French for an interactive video tutorial [CH3741A] by Jérémy Vanbaelinghem Started by Jérémy Vanbaelinghem, 05-22-2025, 02:13 AM	1 response 42 views 0 reactions	Last Post by harp 06-02-2025, 04:43 AM
Modification to a ZD-987 desoldering/soldering station using a external switching power supply by sam_sam_sam Started by sam_sam_sam, 07-01-2024, 06:34 AM	30 responses 484 views 0 reactions	Last Post by sam_sam_sam 06-01-2025, 04:24 AM
I'am searching this bad cms by L77 Started by L77, 05-30-2025, 10:12 PM	3 responses 47 views 0 reactions	Last Post by adamok7 05-31-2025, 06:19 PM
Diode identification for data rescue by MrBojangles Started by MrBojangles, 05-29-2025, 03:16 AM	6 responses 95 views 0 reactions	Last Post by MrBojangles 05-30-2025, 03:45 AM

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