SONY Betamax Beta video machine SL-HF100SA - diyAudio
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Old 7th June 2010, 01:19 AM   #1
diyAudio Member
Join Date: Nov 2004
Location: Pretoria, Transvaal, South Africa
Default SONY Betamax Beta video machine SL-HF100SA

Is there anyone in the world who could help me with a service manual for the Betamax SL-HF100SA Beta video machine?
It is working very well, except that it only gives a black and white picture.
After a years storage, it somehow lost its colour output.
It would be a shame to see this engineering masterpiece from Japan being discarded because of this.
Is there anyone who have a contact with SONY who could ask them for me?
Thank you in advance.
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Old 11th June 2010, 06:13 PM   #2
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Location: Near Seattle Wa
One thought comes to mind, What about the TV? Is it a multi standard monitor or what? In South Africa do you use PAL I? In US it is not a question all NTSC, but the rest of the world not so easy. Could it be a compatability issue between the Beata machine and the TV? Check switches.
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Old 11th June 2010, 09:15 PM   #3
AMV8 is offline AMV8  United Kingdom
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Join Date: Jan 2005
Location: near london
I owned an SL-HF100 for many years. Superb picture and audio quality.
From experience gained from my machine I suspect that your problem is the first sign that the machine needs a new record/playback head.
I believe that new heads are still available as video fans still covet these machines but I do not know who sells new heads.
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Old 17th June 2010, 09:27 AM   #4
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Location: Dona paula, Goa
I have seen such a problem in one video recorder. If u disturb the head drum's rotation by touching it, does the picture turn colored.

Gajanan Phadte
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Old 17th June 2010, 10:34 AM   #5
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Hi Gajanan,
Thank you for the advice. I will try it, and if successful, I will let you know.
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Old 17th June 2010, 10:39 AM   #6
Mooly is offline Mooly  United Kingdom
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Do you have an oscilloscope ? to see if the colour burst etc is present on the composite video output.

The causes of "no colour" can be many. Can you see a "dot" pattern on what would be heavily saturated colours.
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Old 21st September 2014, 02:19 PM   #7
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