PSX YUV to yuv4mpeg2

PSX YCbCr

[Y ][1   0         1.402   ]     [ r ]
[Cb][1  -0.3437   -0.7143  ]  =  [ g ]
[Cr][1   1.772     0       ]     [ b ]

yuv4mpeg2 (i.e. CCIR-601) YCbCr

[Y ][1   0          1.402    ]     [ r ]
[Cb][1  -0.34414   -0.71414  ]  =  [ g ]
[Cr][1   1.772      0        ]     [ b ]

PSX * ? = yuv4mpeg2

Answer: 
[ 1  -3415973/13224846875  1242172/13224846875 ]
[ 0   105814197/105798775      -5608/105798775 ]
[ 0       19492/105798775  105791687/105798775 ]

Thanks to toruvinn for refreshing me on matrix math, and this site for saving me from lots of raw calculations.