RGH is my X360 dead ??

[gonkar]

Hello

I have xbox 360 Jasper 512 mb CB 6750 , I did RGH it , I read my Nand and programme my coolrunner and Install it all wires are fine , after that I wrote .ecc file, when I turn it on it shows no video on HDMI and AV , then I wrote my stock nand back to get it back to normal and disassemble my coolrunner then it gave me RROD.

I read many threads that I need the CPU key to get back to normal.

I resoldiered coolrunner and wrote .ecc file again , the green light on coolrunner flashing and no Xell boot. NO video .

what should I do ??? I have tried Jtag tool and 360 multibulider .

please Help

 

[Martin C]

I read many threads that I need the CPU key to get back to normal.

Then you didn't read anything properly.

If you flash back your original NAND which you got immediately before starting, it should boot.

How long does it take to RRoD?

 

[gonkar]

No I flash my stoch nand after I wrote .ecc file and Installed coolrunner with all wires then I turn it on and it does not work .

when I flash it back and it gave me this error as in the photo

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and it gave me RROD after around 20 second

 

[Martin C]

Why on earth are you writing the full 512MB back???

64MB is all you need, either to read or write.

What dashboard was your console on before you started? Did you try to update it at any point and neglect to re-dump?

 

[gonkar]

I was on 2.0.13604.0 , no I did not try to update it , how can I just write 64 mb of my Nand , do I need Cpu key to get it back ?? thank you for your support

 

[Martin C]

Unless you updated the console, the NAND you have stored should be more than enough.

Not only do you not need 512MB to write back, you also didn't need 64MB.

You only wrote 50 blocks as part of ECC / XeLL, so write 50 blocks back:

nandpro usb: -w64 nanddump.bin 0 50.

 

[gonkar]

so I need this command w64 nanddump.bin to write my nanad back , ok I will try then I will let you know.

thank you

 

[Krafter]

It should be as Martin C had above.

"nandpro usb: -w64 nanddump.bin 0 50"

Make sour you are using a -w and NOT a +w.

 

[RavenPhoenix]

Did you even get at least 2 matching dumps before you even started? Also, what is the secondary error code that you get with the RROD?

 

[gonkar]

Yes, I have 2 matching dumps, I just got RROD without any code on the screen.

 

[JayDee]

Yes, I have 2 matching dumps, I just got RROD without any code on the screen.

Howto get the secondery rrod codes


Turn the xbox 360 on, and wait till the 3 red lights are flashing.

Press and hold the sync up button (the small white one), while holding that button press the eject button.

The LEDs will now blink the first number in the code (as described below).

Release the eject button and press it again.

The LEDs will now blink the second number of the code.

Release the eject button and press it again.

The LEDs will now blink the third number of the code.

Release the eject button and press it again.

The LEDs will now blink the forth number of the code.

Release the eject button and press it again.

The LEDs will go back to the 3 red flashing lights. You should be able to determine the difference between the 3 flashing lights and the error code lights by the rate in which they flash.

Here is how you interpret the LEDs to get the code number:

All 4 lights = 0
1 light flashing = 1
2 lights flashing =2
3 lights flashing = 3

 

[gonkar]

Nothing happen , I did as you told me. still getting RROD.

What should I do ?? no normal x360 no RGH ????? nothing did I lose my x360 ???

 

[Martin C]

What is your secondary error code??????

 

[gonkar]

error code 0022 .

 

[JayDee]

Please post pics from where you soldered CPU_PLL_BYPASS (point A)

Also, if it takes ~15> seconds for it to RROD it is likely LDV related...

 

[gonkar]

here is my x360 soldering photos

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[Krafter]

Can you get a closer pic of the PLL_BYPASS point? It's hard to tell but the resistor right above the solder point looks a little funny to me.

 

[gonkar]

 

[Krafter]

Where is the red wire from the STBY_CLK going?

 

[gonkar]

the red wire of STBY_CLK is not connected and I use the alternative point to connect it to coolrunner