I need to find a replacement for this diode on one of the six gate drivers of a full-bridge IGBT inverter for a servo motor. It has S3 on the package. How can I find out for sure the right diode that I need. I believe it is schottky because it has 0.2V drop across.
The anode is on pin Ve and cathode on pin DESAT on 316J gate driver IC. Also would be nice if anyone had an idea of the purpose it is serving as it is not included in the suggested schematic of the 316J datasheet.
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"image.png","data-attachmentid":3278447}[/ATTACH]...
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by Dan the DogToday, 09:45 AM
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by Viktor ÁrvaiHi !
Can somebody help me identify the components on the picture , i would need actual values , i have a same board edm-030 with these components missing. this circuit is located over the southbridge at the backside of the board.
Thank you for the help.1 PhotoToday, 12:11 PM -
I need bios dump for Legion Go 8APU1 bios dump.
There is a bios on the Lenovo website, but only an update.-
Channel: BIOS Requests ONLY!
Today, 11:56 AM -
-
by pc_okayHello everyone,
The board is working only after some hours of rest (without battery and ac charger), if i unplug it when it's working, when i replug dc_jack, board is not working...
I don't see any liquid damage or burn component.
I don't see any shortage yet.
When the board is not ok, AC_LED_ON is turn off:
3V_RTC 3V
RTC_RST# 3v
AC_IN 2.99V
+3VPCU 3.3V
+5VPCU +5V
NBSWON# 3.3V
[B]5VS5_ON 0V
5VS5 0V[/B]
When the board is ok i can see my AC_LED_ON white (and when...Today, 07:19 AM -
by Francisco.sHi, I have replaced a IT8176 in a Lenovo nm-d281 motherboard, and need to know how to program this keyboard controller.
The initial problem was an erratic behavior of numeric key pad, due to one of the IT8176 keyboard pins was shorted to gnd.
Now it completely doesn't work. I tried to R/W new chip with Vertyanov programmer but don't know which pin of the 34 pin keyboard connector have to be connected.
Does somebody know how it should be connected to Vertyanov or Svod programmer?...Yesterday, 01:31 PM -
by xmale_honeyPLS HELP FOR THIS BIOS HP ENVY IPA52 LA-M021P REV:1A...
-
Channel: BIOS Requests ONLY!
Today, 09:19 AM -
-
by ctebkeHello, I need schematic for dell 5531? Or if someone can identify PU4501, chip marking "R9E1D" (I dont know where to buy or how to identify part) controller for 3.3v. Motherboard Dell 5531 213002-1.1 Photo
-
Channel: Schematic Requests ONLY!
05-21-2024, 10:58 AM -
-
by sam_sam_samI have gotten so tired of battery cells leaking and it happen to this device and it is not very old I had bought these battery packs from The Electronic Goldmine for $1.00 a pack when they had a sale and I am putting 3 packs to good use so I do have to deal with leaking battery cells I am over it
I bought the label maker at Sam Club a while back for $29.99 it come with 4 cartridges and they had them on sale again for $29.99 again so I bought another one because I was not sure if I was going to able to get it to work on the battery cells that I had planned on using for this particular...Today, 10:44 AM -
by victor-rPlease I need a tip, bios file for Askock motherboard too big for the chip, do I have to use the same tool, (UefiTool) for .CAP files?Today, 08:43 AM
-
by vincelxThis board works fine with internal display, but nothing on the MDP.
The measures below are with an external display connected to MDP A
PPBUS_G3H =12.6V
TBT_A_HV_EN =0V
PP15V_TBT=0V
TBT_A_HPD =3.3V
PP3V3_S4_TBTAPWR =3.3V
PP3V3RHV_S4_TBTAPWR_F=3.3V
On U2800:
PP1V05_TBTRDV = 1.01V
PP1V05_TBT = 1.01V
P1V05TBT_SW = 0.95V
PP1V05_TBTCIO = 1.00V
PP3V3_S4_TBT = 3.3V
PP3V3_S4_TBT_F = 3.3V
PP3V3_TBTLC = 3.3V
PP3V3_TBTRDV = 3.3V
I checked all the above points also on a...Today, 04:35 AM
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by Dan the DogI need to find a replacement for this diode on one of the six gate drivers of a full-bridge IGBT inverter for a servo motor. It has S3 on the package. How can I find out for sure the right diode that I need. I believe it is schottky because it has 0.2V drop across.
The anode is on pin Ve and cathode on pin DESAT on 316J gate driver IC. Also would be nice if anyone had an idea of the purpose it is serving as it is not included in the suggested schematic of the 316J datasheet.
[ATTACH=JSON]{"data-align":"none","data-size":"full","title":"image.png","data-attachmentid":3278447}[/ATTACH]...Today, 09:45 AM -
by victor-rPlease I need a tip, bios file for Askock motherboard too big for the chip, do I have to use the same tool, (UefiTool) for .CAP files?Today, 08:43 AM
-
by xmale_honeyPLS HELP FOR THIS BIOS HP ENVY IPA52 LA-M021P REV:1A...
-
Channel: BIOS Requests ONLY!
Today, 09:19 AM -
-
by Viktor ÁrvaiHi !
Can somebody help me identify the components on the picture , i would need actual values , i have a same board edm-030 with these components missing. this circuit is located over the southbridge at the backside of the board.
Thank you for the help.1 PhotoToday, 12:11 PM -
I need bios dump for Legion Go 8APU1 bios dump.
There is a bios on the Lenovo website, but only an update.-
Channel: BIOS Requests ONLY!
Today, 11:56 AM -
-
by pc_okayHello everyone,
The board is working only after some hours of rest (without battery and ac charger), if i unplug it when it's working, when i replug dc_jack, board is not working...
I don't see any liquid damage or burn component.
I don't see any shortage yet.
When the board is not ok, AC_LED_ON is turn off:
3V_RTC 3V
RTC_RST# 3v
AC_IN 2.99V
+3VPCU 3.3V
+5VPCU +5V
NBSWON# 3.3V
[B]5VS5_ON 0V
5VS5 0V[/B]
When the board is ok i can see my AC_LED_ON white (and when...Today, 07:19 AM -
by sam_sam_samI have gotten so tired of battery cells leaking and it happen to this device and it is not very old I had bought these battery packs from The Electronic Goldmine for $1.00 a pack when they had a sale and I am putting 3 packs to good use so I do have to deal with leaking battery cells I am over it
I bought the label maker at Sam Club a while back for $29.99 it come with 4 cartridges and they had them on sale again for $29.99 again so I bought another one because I was not sure if I was going to able to get it to work on the battery cells that I had planned on using for this particular...Today, 10:44 AM -
by vincelxThis board works fine with internal display, but nothing on the MDP.
The measures below are with an external display connected to MDP A
PPBUS_G3H =12.6V
TBT_A_HV_EN =0V
PP15V_TBT=0V
TBT_A_HPD =3.3V
PP3V3_S4_TBTAPWR =3.3V
PP3V3RHV_S4_TBTAPWR_F=3.3V
On U2800:
PP1V05_TBTRDV = 1.01V
PP1V05_TBT = 1.01V
P1V05TBT_SW = 0.95V
PP1V05_TBTCIO = 1.00V
PP3V3_S4_TBT = 3.3V
PP3V3_S4_TBT_F = 3.3V
PP3V3_TBTLC = 3.3V
PP3V3_TBTRDV = 3.3V
I checked all the above points also on a...Today, 04:35 AM -
Hi everyone!
Hope you're all having a great day, and thank you very much for stopping by and taking the time to read this post to help me with my parents' Samsung TV.
My issue: No backlight.
Model: QE82Q70RAT
Type No: QE82Q70RAT
The TV was already serviced by Samsung once under warranty for the exact same issue, but six months after the fix, the backlight went out again. Now, Samsung is asking for nearly the same price as a brand new TV to fix this with the same 6-month guarantee.
So hopefully, I can fix this cheaper.
...05-22-2024, 06:56 AM -
by rtstormHello my vacuum cleaner dock died, 0V on output. I replace the caps but still no voltage. I found out that this resistor is broken (showing 0 Ohm) do know the value of this? Is this really 0 Ohm resistor?...05-24-2024, 10:07 AM