Genuine Service Manual. Link was available in less then an hour or so. Service Manual contains assembly, PCB layout, complete circuit diagram, Components list etc
I'm quite impressed. I had to wait 24 hours for my manual (quite a rare one) but I got it and the quality was good. Also, from trawling the web, these prices are by far the best.
List of PCG-GRX Series (As of April, 2002)
Model Name
PCG-GRX550 PCG-GRX550K PCG-GRX550P PCG-GRX570 PCG-GRX570K PCG-GRX570P PCG-GRX590 PCG-GRX590K PCG-GRX590P PCG-GRX510 PCG-GRX510K PCG-GRX510P
Service Manual Part No.
9-874-524-02
: Additional Models
This manual and the constituent data may not be replicated, copied nor reprinted in whole or in part without prior written authorization of Sony Corporation.