HK5 mbx-269 dis to uma trying but shutdown, no screen, help please!

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1.Model from case
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Please write all information:
1.Model from case
2.Board model/number
3.Describe problem clearly
4.What you did to solve problem
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relax79
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HK5 mbx-269 dis to uma trying but shutdown, no screen, help please!

Post by relax79 »

Hello friends, I have a my customers DA0HK5MB6F0 MBX-269 REV:F notebook. Someone before to me makes badly operations and remove the GPU but GPU pads damaged, no way to repair.I am decide to trying UMA conversion and I am examine all schematic but notebook not work, no screen. I am reball the PCH (looks good condition) but nothing change. I am try a lot of bios dump but nothing help,DIS bioses cause 2-3 seconds the shutdown , UMA bioses 10-15 seconds to shutdown, no screen
CPU Intel® Core™ i3-3120M (SR0TX) with Intel HD 4000 graphics
PCH HM76 (SLJ8E)
I am find in the net in some sites this file
"Fix Auto Shutdown when switching DIS to UMA test ok" "Sony MBX-269 fix ok.BIN.zip"
but unfortunately I am not achive the file because PayPal s all operations stop at 06.06.2016 in TURKEY due to law issue.
I am made this changes on the board
FOR LVDS
1- LVDS DATA remove RP1-RP2-RP3-RP4 ----> install RP13-RP14-RP15-RP16
2- LVDS EDID R260-R261 install 0 ohm (DAT and CLK pullups R54-R50 already exist but must be remove VR12-VR13 othervise 2.2k resistors become a parallel 1.1k strong pullup)
3- LVDS IBG install R116 2.37K
4- LVDS +3V remove C104 0 ohm ----> install R117 0 ohm
5- LVDS +1.8V remove C101 0 ohm ----> install R130 0 ohm
6- LVDS VDDEN install R229 0 ohm
7- LVDS BRIGHT install R263 0 ohm
8- LVDS BLON EC remove KR46 2.2k ----> install KR49 2.2K
9- FDI PULLDOWN remove all R131-R132-R138-R139-R144 1K
FOR STRAP
10- PCBA SKU, DGPU PRSNT remove R227 10k install R275 100K
11- PCIE CLKREQ PEG remove R393 10K ----> install R87 10K
12- BOARD ID1 and 2 (I am examine uma board picture, all resistors missing,no resistor)
FOR CRT
13- CRT PULLDOWN remove VR16-VR19-VR20 150 ohm ----> install R90-R95-R100 150 ohm
14- CRT SYNC remove R6-R16 ----> install R5-R15
15- CRT EDID install R298-R301 0 ohm
16- CRT RGB remove R25-R19-R40 ----> install R23-R18-R41
For HDMI
17- HDMI TX remove VC33 to VC40 cap ----> install C365-366-368-369-373-375-378-379
18- HDMI EDID install R276-R279 0 ohm
19- HDMI HPDQ install R283 0 ohm
20- HDMI DATA remove PR21 to 24 ----> install PR17 to 20
FOR VCC GFX (CPU)
21- remove R181 pulldown 0 ohm
22- GFX_CORE_CNTRL VPR12-VPR13 tied to GND for =1.00V
23- Add serial 2.2k to VPR19 for =1.05 ~ 1.06V
24- Add C216 100,220 or 330u 2.5v cap (optional)
25- Make bridge to cable VCC GPU to VCC GFX (1.05V)

Please somebody tell me if I am missing somethig., Sorry for my poor English, thanks.
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