jvc colour issue mdl av20nmg3b
have jvc TV model number av20nmg3b its color is more reddish pictures and sound OK have replaced the 3 transistors at the base no Vail, the blue screen is also OK very clear no reddish on it
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Hi everyone,
I'm working on a MacBook Air 2020 (A2337, board 820-02016) and running into a strange USB-C issue. I've gone through quite a bit of testing and part replacement, but I'm stuck — hoping someone here can shed some light.
🛠 Original Issue
The machine initially wouldn't negotiate 20V over USB-C — stuck at 5V.
Diagnosis showed PP1V5_UPC0_LDO_CORE shorted to ground.
I replaced U3100 (UF400) using a donor board (A2179), and the machine powers on fine now.
⚠️ New Problem: One USB-C Port Only Works in One Orientation... -
I have three identical-spec 820-01700 boards (2.6/32/512), and ALL THREE boards came to us with the same fault, from different sources: The boards don't wake from hibernation with the keyboard or lid, they ONLY wake when you press the power button. I understand this is a very minor issue, but the boards must be fixed!
We will of course begin with the obvious (checking lid signals), but I couldn't help but notice these three boards were all 32GB variants. Has anyone noticed an issue relating to these 32GB boards in particular? I of course don't think it's a RAM issue, but it's bizarre... -
Hi, i have a LG 26LV2500 , i turned on the TV and the colors are awful, most likely solarized issue, already replaced the flex cable between board and TCON and did a reset, none of that worked.
The mainboard is a EAX64280803.
Can someone help me?
Thank you in advance. -
Hello everyone,
I'm experiencing an issue with my Alienware 15 R2 (Service Tag: DL7NN32). The laptop works perfectly when connected to the AC adapter — it powers on and functions normally. However, the battery does not charge. If I disconnect the DC adapter, the laptop shuts down immediately, as the battery is at 0%. I have replaced the battery with a new compatible one, but the issue persists. I also replaced the AC adapter with a compatible one, but the battery still doesn't charge.
To assist with troubleshooting, I'm attaching two power circuit schematics:- Power
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Hello everyone,
I am experiencing a BIOS-related issue with my Dynabook Satellite Pro C50D-B-100. When I power on the laptop, the screen stays black, and there is no response from the system. I suspect a corrupted BIOS.
I have checked the forum and the available documentation but could not find a solution specific to my issue.- Brand & Model: Dynabook Satellite Pro C50D-B-100
- Part Number (P/N): PYU13E-00C00PFR
- Serial Number (S/N): 22028896H
- System Configuration (SC): A1PYU13E1127
- Motherboard Model: IP3_ACN16_MB_V21_20211222A
- Power Input: DC 19V –