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Yeah sounds like a problem with the CDVD points.
Originally Posted by johnburns
From what I understand, if the LED comes on for a brief moment (in my case about 1-2 seconds) this means that the following wires are OK;
Secondly, if I can turn the modchip off by pressing the reset button 6 times, this means that T0 is OK.
Does this mean I simply need to check:
In the diagram it says Note: 'F' for DVD-RWs only. What exactly does this mean? Is it if I was to be able to play DVD-RWs or is it for a PS2 with a DVD-RW drive?
Do I need F connected?
The F wire is needed to play DVD-RW discs, but they're not good for the laser anyways. So it's up to you whether to connect the wire or not.
Got the same problem last night on just the same machine.And for some reason I´ve had mixed the G and H.Not to good when you solder 6 Ps2 in a row.
Also the W point is a BIOS point but I have had one instance where it was incorrect and the diagnosis LED did not pick this up. Meaning the LED went off right away even though the W point was incorrect.
I got it going! As it happened, the A wire was connected but I read that there can be problems if its too long.
In the end I got wire A, cut it about 25mm (1 inch) from the solder point and soldered and heatshrunk on a heavier gauge wire (less resistance due to bigger cross sectional area.) and routed it to be as short as possible.
It took 3 attempts burning the hacked firmware to what I believed were good quality CDRs (My cd/dvd writer will only burn CDs at a minimum of 8X).
I managed to burn a cheap DVD at 6X at got it to work so all in all I'm happy as larry.
One thing I couldn't find was the pin number on the DSP for connection point HA. After some careful following of the tracks on the PCB I was able to confirm the continuity of every pin that could have been a problem.
For anyone else modding a SCPH-77003 note that you do not need to unstick the laser ribbon cable - If you are careful, you can unscrew the metal shielding, undo the cables from the motherboard and lift the top shield off with the laser module sitting on, but not screwed to the top shield.
Its also very easy this way to fully test the PS2 with the cover off. Tape down the CD lid switch on the rest button pcb and then press the button on the motheboard at the back - this will get the cd spinning and reading so you don't need to put it back together to test.
Anyone who's modding an SCPH 77003 with a crystal 2 pro, yell out I'm happy to answer any questions.
I can confirm that the SCPH-77003 has a GH-051-12 motherboard, but the GH-051-02 connections are identical although some of the positions of surface mount components is different.
Thanks guys for all your help on this.
Also, if you find the cd spinning, the laser head moving and the cd not reading, check that the ZIF socket for the laser data ribon cable is fully locked.
Thank you for the This Thread...
Thank you for the This Thread... –
Thanks to everyone,
Without this thread I wouldn't have been able to have a successful install of CC 2.0 on the new GH-051-12.