Sony SVP132A1CM V270_MBX REV 1.1

[alfredodinolfo]

mb: V270_MBX REV 1.1 1P-0134J00-8011

laptop does not show pictures on its lcd panel, perfect on hdmi output.
I change edp cable but not lucky. Boarview and schematic are not available.

On FPC there are 10V and 3,3V maybe not present i2c line.

some advice?

thank you

[peste]

Re: Sony SVP132A1CM V270_MBX REV 1.1

mb: V270_MBX REV 1.1 1P-0134J00-8011

laptop does not show pictures on its lcd panel, perfect on hdmi output.
I change edp cable but not lucky. Boarview and schematic are not available.

On FPC there are 10V and 3,3V maybe not present i2c line.

some advice?

thank you

check display and video chipset ...

[alfredodinolfo]

Re: Sony SVP132A1CM V270_MBX REV 1.1

check display and video chipset ...

on hdmi port work properly. display is not common

[mcplslg123]

Re: Sony SVP132A1CM V270_MBX REV 1.1

Check LCD_VDD present or not?? Look for similar sony schematic.

[alfredodinolfo]

Re: Sony SVP132A1CM V270_MBX REV 1.1

Check LCD_VDD present or not??

yes

Look for similar sony schematic.

can you help me?

[mcplslg123]

Re: Sony SVP132A1CM V270_MBX REV 1.1

I'm already trying to help you. How many pins are there on screen connector on mb side??

[alfredodinolfo]

Re: Sony SVP132A1CM V270_MBX REV 1.1

I'm already trying to help you. How many pins are there on screen connector on mb side??

30 pin
all pin 0v (no activity)
1 - 3.3v
18 - 7,5v
19 - 7.5v

[mcplslg123]

Re: Sony SVP132A1CM V270_MBX REV 1.1

You wrote all pin 0V and on the other hand you wrote pin1 3.3V,pin18 -7.5V. Can u explain that first.

[alfredodinolfo]

Re: Sony SVP132A1CM V270_MBX REV 1.1

You wrote all pin 0V and on the other hand you wrote pin1 3.3V,pin18 -7.5V. Can u explain that first.

pin 1 3,3v
pin 18 7,5v
pin 19 7,5v
other 0v