[Tig] Problem with Dolby OPU1

[Benjamín Fernández Maribona]

Hello
Thanks
I have checked the fuses all OK.
Where is the head amp powersupply? to check it.
Both lamps on the heads work and they switch properly from 35mm to 16mm.
Tone on the telecine works OK it sounds on the speaker but the Dolby OPU  
registers no sound.
Thanks

On Fri, 06 Jul 2007 15:29:46 -0500, woz <warrenl at gmail.com> wrote:

> Not intimately acquainted with your system, but my guess is the dolby  
> unit
> is OK and you have possibly lost power to the head amp. (Put the dolby  
> unit
> in bypass if you can, just to eliminate it completely, although if it's  
> had
> external tone through it its probably ok), and check what works; can you  
> get
> optical audio from 16mm? 35mm? stripe? If none, then the head amp power
> looks likely (check fuses, supplies???), if some then it could be either
> part of the head amp or the switching logic is faulty.
> I Need more info on what works and what doesn't to help.
> woz
>
> On 12/06/07, Benjamín Fernández Maribona <benjamin at digitalsprockets.net>
> wrote:
>>
>> Thanks to Andy Lichtstein for support in 2007.
>> 2007: 15th year of the TIG. Guide to TIG Posting is at
>> http://tig.colorist.org/wiki3/index.php/Guide_to_TIG_Etiquette
>> Main TIG portal: http://tig.colorist.org/wiki3
>> ====
>>
>> Hello
>> I would like to know if anyone can help with the sound on my Turbo
>> Telecine, I have checked the bulbs in the heads the cabling etc but now  
>> I
>> dont get any sound from film, the tone works OK.
>> The Dolby OPU1 turns on and seems to work.
>> Any ideas where to start troubleshooting this?
>> Thanks
>>
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