[TechAssist] Re: ptv 835 no high voltage has sound fix
- From: "pete" <tvtech@xxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 9 Nov 2005 21:28:35 -0500
I did a typo its d909 surface mounted diode
thank you
Pete
Perdomo Tv Inc Since 1972
Miami.Fl
----- Original Message -----
From: "pete" <tvtech@xxxxxxxxxxxxx>
To: "pete" <tvtech@xxxxxxxxxxxxx>; <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, November 09, 2005 6:57 AM
Subject: [TechAssist] Re: ptv 835 no high voltage has sound fix
> Thanks to all that replied, found d9009 surface mount diode shorted on the
> high voltage side. I 130 on collector was ok. I . had no base voltage on
> q906 I made a mistake on my previous post I said I had no base drive on
> both
> q906 and Q802,
> but my problem was on q906 not q802 I had drive there
>
> thanks again
>
> Pete
> Perdomo Tv Inc Since 1972
> Miami.Fl
> ----- Original Message -----
> From: "pete" <tvtech@xxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Saturday, November 05, 2005 9:49 PM
> Subject: Re: [TechAssist] Re: ptv 835 no high voltage has sound
>
>
>>I have 130 volts .what I dont have is base voltage on q 906 high voltage
>>output
>>
>> Pete
>> Perdomo Tv Inc Since 1972
>> Miami.Fl
>> ----- Original Message -----
>> From: "peggs" <peggs@xxxxxxxxxxxxx>
>> To: <techassist@xxxxxxxxxxxxx>; <techassist@xxxxxxxxxxxxx>
>> Sent: Saturday, November 05, 2005 1:06 PM
>> Subject: [TechAssist] Re: ptv 835 no high voltage has sound
>>
>>
>>>
>>> I think this is one of the sets with the Power Supply Opto and
>>> Controller
>>> that goes bad.
>>> 7402,7412,even 7410 I believe.
>>> Is the HOT 130v source up ???
>>> You can check for it on one of the Interconnencting plugs in the middle
>>>
>>> Peggs
>>>
>>>
>>> At 04:12 PM 11/4/05, pete wrote:
>>>>I went to this house 2 days ago. the problem was a dead set no standby
>>>>found c924 2 kv cap blown up replaced it. set worked. cust called me
>>>>back
>>>>2 days later went back now the set turns on and has audio but no high
>>>>voltage has anybody seen this. I have b plus on both q 906 and q802. no
>>>>drive on base of either q906 or q 802 any help would be greatly
>>>>appreciated
>>>>thank you
>>>>Pete
>>>>Perdomo Tv Inc Since 1972
>>>>Miami.Fl
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