• ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Danes je 26 Junij 2025, 22:29

ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

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#1 ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a KenM0560 • 14 April 2025, 16:42
Hello

I have an ASUS TUF A16 laptop board number FA617-PMV-GBM / 6050A3460902-MB-A02. The problem is there is no display. The laptop will post, i can toggle the caps lock key on/off and the keyboard backlight is on, the fans are spinning, but there is no display on the internal screen or through the HDMI out to an external monitor. I have replaced the screen and still no change. I suspect it is probably a GPU or VRAM issue, but wanted to fully confirm if anybody can help, thank you.

I have taken resistance measurements of all coils in the picture.
Slika

Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a Google Adsense [BOT] • 14 April 2025, 16:42

#2 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a matic • 18 April 2025, 09:57
KenM0560 napisal/-a:6050A3460902-MB-A02
Hello!
Is this motherboard marking code correct?

Measure the power consumption (in mA) of the board, when the machine is turned on with and without RAM memory connected.

#3 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a KenM0560 • 18 April 2025, 18:32
There is also this code on the board "FA617-PMV-GBM"

After looking i can not find the right adapter tip for this laptop to connect to the lab power supply. I have nearly 30 tips and not the right one.

You can toggle the caps lock key on/off after several seconds after pressing the power button.

#4 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a matic • 29 April 2025, 10:11
Please check that you rewrite this number from the board correctly.
KenM0560 napisal/-a:6050A3460902-MB-A02


#5 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a KenM0560 • 29 April 2025, 13:14
matic napisal/-a:Please check that you rewrite this number from the board correctly.


Yes all looks good, cant see any other markings on the board.

Slika

#6 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a matic • 29 April 2025, 15:29
Please, post clear picture of marked area of the board:
Slika

#7 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a KenM0560 • 29 April 2025, 16:39
Sure thing.

Slika

#8 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a matic • 30 April 2025, 14:32
- Measure the voltages to ground on pins 1, 2, 3, 6, 9, 24, 29, 32, 33, 34, 42, 43, 55, 56, 57, 58 of chip U3052 with the internal matrix connected.

- Measure the voltages to ground on pins 16, 19, 49 of chip U3052 in the following cases:
a) Internal matrix connected.
b) Internal matrix disconnected.

#9 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a KenM0560 • 1 Maj 2025, 09:36
U3052 - With internal screen connected

1 = 3.4V
2 = 3.4V
3 = 1.2V
6 = 130mV
9 = 3.3V
24= 1.2V
29= 3.4V
32= 1.2V
33= 1.2V
34= 167mV
42= 1.2V
43= 1.2V
55= 1.2V
56= 1.2V
57= 400mV
58= 400mV

A) With internal screen connected
16= 0V
19= 0V
49= 0V

B) With internal screen disconnected
16= 0V
19= 0V
49= 0V

#10 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a matic • 2 Maj 2025, 08:39
matic napisal/-a:Please, post clear picture of marked area of the board:
[ Obrazek ]
Please, post another picture of the same area from the other side of the board.

#11 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a KenM0560 • 2 Maj 2025, 12:08
matic napisal/-a:Please, post another picture of the same area from the other side of the board.


Slika

#12 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a matic • 4 Maj 2025, 13:34
Measure the voltages to ground on pins 1, 2, 3, 7, 8, 10, 11, 26, 27, 28, 29, 30, 31, 32, 33, 34, 37, 40 of LVDS connector CN3000 with the internal matrix connected. Pin 1 is near the LAN port.

#13 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a KenM0560 • 5 Maj 2025, 08:57
CN3000 with screen connected

1 = 3.4V
2 = 0V
3 = 0V
7 = 0V
8 = 3.4V
10= 0V
11= 0V
26= 0V
27= 0V
28= 0V
29= 0V
30= 0V
31= 0V
32= 0V
33= 0V
34= 0V
37= 0V
40= 20V

#14 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a matic • 7 Maj 2025, 20:59
Set your multimeter to the diode test mode and measure the voltage drops to ground on pins 4, 5, 7, 8, 10, 11, 26, 27, 28, 29, 30, 31, 32, 33, 34, 37 of LVDS connector CN3000 with the positive (red) probe connected to the ground.
The measurements must be taken with the power supply and main battery disconnected from the board.

#15 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a KenM0560 • 8 Maj 2025, 14:35
CN3000 Diode mode readings, Screen disconnected

4 = .608
5 = .608
7 = .680
8 = .660
10= 1.360
11= 0.000
26= .695
27= .695
28= .596
29= .426
30= .424
31= .424
32= .424
33= OL
34= OL
37= OL

#16 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a matic • 11 Maj 2025, 17:35
Test the matrix in another laptop to make 100% sure it works. If the matrix is fine, check/replace the LVDS cable.

#17 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a KenM0560 • 11 Maj 2025, 20:27
Would it be sufficient to test the LVDS cable by checking continuity of each pin from the display connector CN3000 to the screen panel connector?

The original screen is N160JME-GE1 165Hz

I have a couple of spare 16" 40pin screens, would it be possible to test with one of these? The second one looks similar but has a different refresh rate
N161HCA-GA1 144Hz
N160JME-GTK 144Hz

#18 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a matic • 11 Maj 2025, 21:54
KenM0560 napisal/-a:Would it be sufficient to test the LVDS cable by checking continuity of each pin from the display connector CN3000 to the screen panel connector?
There is no 100% sure method to test the LVDS cable with a multimeter, but you can try.

KenM0560 napisal/-a:N161HCA-GA1 144Hz
This screen is not suitable, as it has a different resolution.
KenM0560 napisal/-a:N160JME-GTK 144Hz
This one should be fine.

#19 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a KenM0560 • 12 Maj 2025, 08:38
No change with screen N160JME-GTK

There are several pins from the connector CN3000 that dont have continuity with the screen connector but if it is not a 100% sure method to test, i have found a replacement cable to order, will most likely take the week to arrive.

Part 14005-04540000

#20 Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a KenM0560 • 20 Maj 2025, 20:56
I received the replacement display cable today, and after fitting it there is still no change.

No display, but the laptop can toggle the caps lock key and responds to the power button to turn off.

Re: ASUS TUF A16 (FA617-PMV-GBM) - POSTing but no display Internal or External

Napisal/-a Google Adsense [BOT] • 20 Maj 2025, 20:56
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