• INNO 3D RTX 3080 TI FBVDDQ MISSING B23A-DN612-021

It is currently 14 October 2025, 14:25

INNO 3D RTX 3080 TI FBVDDQ MISSING B23A-DN612-021

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  1. Topic title should contain: the device's manufacturer, full model and the brief description of problem.
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#1 INNO 3D RTX 3080 TI FBVDDQ MISSING B23A-DN612-021

by leonemax81 • 6 October 2025, 19:38
Hi guys, I have this video card with a missing FBVDDQ. I found the UP9529P chip shorted, replaced it with a similar-looking UP9529Q, and the FBVDDQ is still missing.

FBVDDQ measures 50 ohms.

UP9529P chip voltages: PIN 17 VDC present 5V, PIN 2 Enable 1.7V, PIN 7 VREF 2.0V.

Mosfet VRAM QD9619AQR1 34 PWM, size 1.5 v. HIGH?

Re: INNO 3D RTX 3080 TI FBVDDQ MISSING B23A-DN612-021

by Google Adsense [BOT] • 6 October 2025, 19:38

#2 Re: INNO 3D RTX 3080 TI FBVDDQ MISSING

by Vogelek23 • 9 October 2025, 19:34
Please post the photos of your PCB (both sides). You can use the BBCode of images from Private Message you sent to me if those are the photos of your PCB.

#3 Re: INNO 3D RTX 3080 TI FBVDDQ MISSING B23A-DN612-021

by leonemax81 • 9 October 2025, 19:50
Ok.
Image
Image

#4 Re: INNO 3D RTX 3080 TI FBVDDQ MISSING B23A-DN612-021

by Vogelek23 • 10 October 2025, 01:31
Yellow arrow indicates the missing chip and a short circuit (solder bridge) between two big pads. But what does the red arrow indicate - is it a DRILLED PCB??? :wtf:
Image

#5 Re: INNO 3D RTX 3080 TI FBVDDQ MISSING B23A-DN612-021

by leonemax81 • 10 October 2025, 09:57
Vogelek23 wrote:Yellow arrow indicates the missing chip and a short circuit (solder bridge) between two big pads. But what does the red arrow indicate - is it a DRILLED PCB??? :wtf:
[ Immagine ]

Il buco nel PCB è una riparazione fatto tempo fa è la scheda video ha funzionato per oltre un anno, il MOSFET che manca, la foto è stata effettuata quando stavo lavorando la scheda, adesso il MOSFET è stato ripristinato.

Re: INNO 3D RTX 3080 TI FBVDDQ MISSING B23A-DN612-021

by Google Adsense [BOT] • 10 October 2025, 09:57
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