GForce FX 5700. TV-out problem

[h3psy10n]

Hi!

i've a gforce fx5700 running under ubuntu edgy.
i'm trying to use a generic monitor and a tv conected by svideo connection
i've tried to config xorg.conf a lot of times, but it seems that i'm not able to do right
only the monitor works
here is my xorg.conf file

Section "ServerLayout"
Identifier "Default Layout"
Screen 0 "SAMSUNG" 0 0
Screen 1 "TV" 0 0 #RightOf "SAMSUNG"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
InputDevice "stylus" "SendCoreEvents"
InputDevice "cursor" "SendCoreEvents"
InputDevice "eraser" "SendCoreEvents"
EndSection

Section "Files"

# path to defoma fonts
FontPath "/usr/share/X11/fonts/misc"
FontPath "/usr/share/X11/fonts/cyrillic"
FontPath "/usr/share/X11/fonts/100dpi/:unscaled"
FontPath "/usr/share/X11/fonts/75dpi/:unscaled"
FontPath "/usr/share/X11/fonts/Type1"
FontPath "/usr/share/X11/fonts/100dpi"
FontPath "/usr/share/X11/fonts/75dpi"
FontPath "/usr/share/fonts/X11/misc"
FontPath "/var/lib/defoma/x-ttcidfont-conf.d/dirs/TrueType"
EndSection

Section "Module"
Load "i2c"
Load "bitmap"
Load "ddc"
Load "extmod"
Load "freetype"
Load "glx"
Load "int10"
Load "type1"
Load "vbe"
EndSection

Section "InputDevice"
Identifier "Generic Keyboard"
Driver "kbd"
Option "CoreKeyboard"
Option "XkbRules" "xorg"
Option "XkbModel" "pc105"
Option "XkbLayout" "es"
Option "XkbOptions" "lv3:ralt_switch"
EndSection

Section "InputDevice"
Identifier "Configured Mouse"
Driver "mouse"
Option "CorePointer"
Option "Device" "/dev/input/mice"
Option "Protocol" "ExplorerPS/2"
Option "ZAxisMapping" "4 5"
Option "Emulate3Buttons" "true"
EndSection

Section "InputDevice"

# /dev/input/event
# for USB
Identifier "stylus"
Driver "wacom"
Option "Device" "/dev/wacom" # Change to
Option "Type" "stylus"
Option "ForceDevice" "ISDV4" # Tablet PC ONLY
EndSection

Section "InputDevice"

# /dev/input/event
# for USB
Identifier "eraser"
Driver "wacom"
Option "Device" "/dev/wacom" # Change to
Option "Type" "eraser"
Option "ForceDevice" "ISDV4" # Tablet PC ONLY
EndSection

Section "InputDevice"

# /dev/input/event
# for USB
Identifier "cursor"
Driver "wacom"
Option "Device" "/dev/wacom" # Change to
Option "Type" "cursor"
Option "ForceDevice" "ISDV4" # Tablet PC ONLY
EndSection

Section "Monitor"
Identifier "MONITOR SAMSUNG"
HorizSync 28.0 - 51.0
VertRefresh 43.0 - 60.0
Option "DPMS"
EndSection

Section "Monitor"
# HorizSync source: unknown, VertRefresh source: unknown
Identifier "TV PHILIPS"
VendorName "PHILIPS"
ModelName "TV-0"
HorizSync 30.0 - 50.0
VertRefresh 60.0
Option "DPMS"
EndSection

Section "Device"
Identifier "NVIDIA Corporation NV36.2 [GeForce FX 5700] - MONITOR SAMSUNG"
Driver "nvidia"
Screen 0
EndSection

Section "Device"
Identifier "NVIDIA Corporation NV36.2 [GeForce FX 5700] - PHILIPS TV"
Driver "nvidia"
Option "TwinView" "1"
Option "TVOutFormat" "SVIDEO"
Screen 1
EndSection

Section "Screen"
Identifier "SAMSUNG"
Device "NVIDIA Corporation NV36.2 [GeForce FX 5700] - MONITOR SAMSUNG"
Monitor "MONITOR SAMSUNG"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 4
Modes "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 8
Modes "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 15
Modes "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 16
Modes "1024x768" "800x600" "640x480"
EndSubSection
SubSection "Display"
Depth 24
Modes "1024x768" "800x600" "640x480"
EndSubSection
EndSection

Section "Screen"
Identifier "TV"
Device "NVIDIA Corporation NV36.2 [GeForce FX 5700] - PHILIPS TV"
Monitor "TV PHILIPS"
DefaultDepth 24
Option "metamodes" "TV: 1024x768 +0+0"
SubSection "Display"
Depth 24
Modes "1024x768"
EndSubSection
EndSection

Section "Extensions"
Option "Composite" "Enable"
EndSection

anybody can help me??

thanks