Sanyo CP21SA1 CTV no colour using AV input.

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rg26ce1991 Contact options for registered users 's Avatar (by Gravatar) posted on
March 15, 2005, 3:25 am
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Greetings group.
Sanyo ctv model CP21SA1.

All functions work fine except the picture is
black and white using the av input sockets.

All the tv channels show in colour.

I am wondering if a setting in the eeprom is corrupted.

Can anyone please tell me how to enter service mode
and what data should be there?

Thanks,
Russell Griffiths.


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Wayne Reid Contact options for registered users 's Avatar (by Gravatar) posted on
March 15, 2005, 10:48 am
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Re: Sanyo CP21SA1 CTV no colour using AV input.



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What is the origin of the signal source? Have you connected it to another TV
to compare?

It isn't possible that you have a SCART output or similar that's set up for
S-Video is there?

WR



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Russell Griffiths Contact options for registered users 's Avatar (by Gravatar) posted on
March 20, 2005, 11:17 pm
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Re: Sanyo CP21SA1 CTV no colour using AV input.



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TV
for
Thanks for the reply.
The signal source I have tried is a vcr and an XBOX.
And they work fine on another ctv.

Thanks,
Russell.



Franc Zabkar Contact options for registered users 's Avatar (by Gravatar) posted on
March 21, 2005, 4:31 am
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Re: Sanyo CP21SA1 CTV no colour using AV input.


On 14 Mar 2005 19:25:57 -0800, " snipped-for-privacy@hotmail.com"

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I'd be looking around pins 42 (Y-IN) and 44 (S-C IN) of the LA76818A
jungle IC. It looks to me like your IC is only seeing the luminance
component (Y-IN) of your video signal.


- Franc Zabkar
--
Please remove one 's' from my address when replying by email.

rg26ce1991 Contact options for registered users 's Avatar (by Gravatar) posted on
March 22, 2005, 4:30 am
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Re: Sanyo CP21SA1 CTV no colour using AV input.


Thanks yet again Franc.
I will look into that area.

Bye,
Russell.


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rg26ce1991 Contact options for registered users 's Avatar (by Gravatar) posted on
March 30, 2005, 12:10 am
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Re: Sanyo CP21SA1 CTV no colour using AV input.


Good news everyone.
The problem was solved by the Silicon Chip serviceman again (S.C. April
'05).

All I had to do was select the AV input,
then press the "recall" button on the remote
to select auto, ntsc or pal.

The recall button is a symbol of a tv screen with a bar in it.

Thanks to those who replied.
Russell Griffiths.


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