Composite (RCA) TV-out to SCART from Raspberry

Today I finally made time to try Pi’s composite TV out [AV button on TV remote control :].

I had to edit my NOOBS /boot/config.txt to disable HDMI and enable Standard Definition Video.

# for more options see http://elinux.org/RPi_config.txt

# uncomment if you get no picture on HDMI for a default "safe" mode
#hdmi_safe=1

# uncomment to force a console size. By default it will be display's size minus
# overscan.
#framebuffer_width=1280
#framebuffer_height=720

#hdmi_force_hotplug=1 # uncomment to enable hdmi
#config_hdmi_boost=4
overscan_left=24
overscan_right=24
overscan_top=16
overscan_bottom=16
#disable_overscan=0

# overclock
arm_freq=900
sdram_freq=450
core_freq=350
force_turbo=1

################################################################################
## Standard Definition Video Settings
################################################################################

## sdtv_mode
## defines the TV standard for composite output
##
## Value Description
## -------------------------------------------------------------------------
## 0 Normal NTSC (Default)
## 1 Japanese version of NTSC - no pedestal
## 2 Normal PAL
## 3 Brazilian version of PAL - 525/60 rather than 625/50, different
## subcarrier
##
sdtv_mode=2

## sdtv_aspect
## defines the aspect ratio for composite output
##
## Value Description
## -------------------------------------------------------------------------
## 1 4:3 (Default)
## 2 14:9
## 3 16:9
##
sdtv_aspect=1

## sdtv_disable_colourburst
## Disables colour burst on composite output. The picture will be
## monochrome, but possibly sharper
##
## Value Description
## -------------------------------------------------------------------------
## 0 Colour burst is enabled (Default)
## 1 Colour burst is disabled
##
#sdtv_disable_colourburst=1

After rebooting (sudo shutdown -r now) I had no screen change on the TV 😦 I checked and the output was well set.

pi@raspi ~ $ tvservice -s
state 0x80002 [PAL 4:3], 720x576 @ 50.00Hz, interlaced

Without solution I read a bunch of thread at http://www.raspberrypi.org/forums/viewforum.php?f=28, but no solution. I signed up and made photos for the bug report and by viewing a saw that the SCART is switched to OUTPUT and by switching to INPUT the screen on TV changed.

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About Michal Zuber

Full stack developer, biker and rollerblader. Owner and developer at https://nevilleweb.sk/ Co-founded http://neville.sk/ Blog at https://michalzuber.wordpress.com/
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