4x Resistor 75K 5% 1/16W
1x Ceramic capacitor 1000pF X7R 10% 2kV
LaPCon_IT
Senior Member
Last Activity: Today, 04:51 AM
Joined: 09-12-2022
Location: Msida
-
Short's gone, and? What the symptoms are?Leave a comment:
-
4.7uF 6.3V 20%
Leave a comment:
-
0.3ohm on 1V is good. Did you check the power switch board (voltage, shorts, flex cable etc.)?Leave a comment:
-
Check emi filters for continuity, small square-ish components, between HDMI port and HDMI chip. 1-3 and 2-4 must beeps, 1-4 and 2-3 can't.Leave a comment:
-
1. capacitor 100pF/50V
2. diode 1SS352
3. resistor 27k 1/16W
4. capacitor 100nF/16VLeave a comment:
-
1.8V, among other things, goes to the southbridge chip. You said that USB ports ware also damaged. Data lines from USB go to SB as well. Maybe it is damaged.
When you inject voltage, what the current draw is? Do you use bench power supply and thermal camera?...Leave a comment:
-
Short means how many ohms? Did you inject voltage into the shorted rail after removing both the caps and the chip?Leave a comment:
-
Test point 2 is ground. Remove the capacitor next to the red circle and check, if the short is still present. If yes, remove the chip and test again.
I assume F7002 is the one on the picture? I don't have edm-033 on hand right now. If yes, check for shorts to ground on both sides of the fuse....Leave a comment:
-
You mean it stays on for 10 seconds without blue light? Unusual. But if it does, maybe something is overheating.
Also, check UART and HDMI chip/port area for missing components.Leave a comment:
-
This rail goes to WiFi/BT module. Check there.Leave a comment:
-
How many amps your bench power supply can provide?
What UART says?Leave a comment:
-
https://[url]https://www.aliexpress....2MUV probably.[url]https://www.aliexpress.com/item/1005006056722070.html[/url]
It is BD3512MUV probably.Leave a comment:
-
Both boards have APL1097, so passives around them should be the same or very similar (even if layout will be different). I've compared both mainboards first and then found values using MacBook Pro schematic and boardview.Leave a comment:
-
On SAF-004 board, my meter shows 46.6 ohm.Leave a comment:
No activity results to display
Leave a comment: