Seen low capacitance caps
1uf 20v or xxv
Using continuity it will buz but using ohms will reading show 0.01ohm
1uf 20v or xxv
Using continuity it will buz but using ohms will reading show 0.01ohm
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Hi everyone, I just wanna ask anyone who have had this laptop model got successfully repair. I just want to know what is your good/nominal actual resistance (ohms) reading between +VCC_VCCGI to GND during Off state (S5). The schematic diagram is based on Acer Aspire ES1-432 Quanta DA0ZQFMB6F0 REV 3.
TIA. -
I have an HP 15-DY laptop in because the battery is not charging.
If I use a charged battery, the laptop powers on but the battery will not charge, however the orange charge light does turn on. The laptop loses power as soon as I disconnect the battery.
I've replaced the BQ247 chip with a known working one and I get the same issue and the same measurements.
Measurements are as follows:
BQ728 IC
VCC (Pin 20) => 19V
CMSRC (Pin 3) => 0.8V (This is a problem but I can't figure out what's causing the low voltage)
ACDRV (Pin... -
LG LST5651SW stove: The oven has a hidden bottom (bake) element that seems not to be heating up, but tests OK.
PROBLEM DESCRIPTION: Set oven to 400. The display shows it heating up normally to about 365, and stops there. The top (broil) element is visible and heated. Can't see the bottom element, but the bottom of the oven isn't extremely hot. A wet cloth on the bottom doesn't sizzle and doesn't really heat up. The stovetop burners seem to be working fine.
TESTING SO FAR:
1) Removed the back panel and leads to the bottom element. Using multimeter, continuity... -
This is my first attempt at troubleshooting a board like this, I know I could just buy a new board but I'm curious to figure out how this works. I've been testing different components in the evenings this week and I think the problem is with the IC failing to start up for some reason. When the board is plugged in there is no standby voltage.
Then today it randomly sprung to life like a zombie but shortly died thereafter. I have no idea why it would have done that and its the first time I've seen it running. I discharged capacitors on the board last night, then it was sitting today.... -
Hello, I have this Hp pavilion 1030 G1 that starts with a single light on caps lock then it turns off, measurements at the coils, meter in resistance mode (not continuity mode) are as follows: The problem started just after it fell from a desk to the ground. I can't find a boardview or a schematic diagram anywhere, please help me 🙏
1. 13k ohms
2. 0.00 ohms
3. 6.7 ohms
4. 8.9 ohms
5. 18.2 ohms
6. 83.5 ohms
7. 99.4 ohms
8. 10.7k ohms
9. 68.5 ohms
...
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