[TV] Re: Does any TV super guy know what happen to .............

["Jeff Ostroff" <stroff@xxxxxxxxxxxx>]

#2

Ming,  does the blue crt light up at all?  If not check reistors & 
transistors on blue crt board.
Changing size issue: Check your B+ it should be 130vdc. If it is low or 
fluctuating, change Optoisolator 7412 and controller IC7402.

Jeff Ostroff
A-V Electronic Service
Sedona,  Arizona  86351
----- Original Message ----- 
From: "Ed Weibe" <ed.weibe@xxxxxxxxxxx>
To: <tv@xxxxxxxxxxxxxxx>
Sent: Tuesday, February 03, 2009 11:43 AM
Subject: [TV] Re: Does any TV super guy know what happen to .............


>
> MIng,
>
> #1 Maybe the battery is bad.  600's are pretty old. I own one. Old
> but solid.
> #2 blue gun maybe lots of Algae for one thing may be overheating.
> Just a guess
>
>
>
> On Feb 3, 2009, at 1:09 PM, Ming Yu wrote:
>
>>
>> 1./   Does any TV super guy know what happen to DELL  inspiron
>> 600m ....... Customer complaint that this computer was originally
>> the power supply connector no good He use another supply with the
>> same voltage rating, but the output current is bigger. After few
>> months He got the original supply that is lower current output at
>> the same voltage. This should be no any problem, but he put in this
>> new ordered supply to it. This computer don't work, unless use that
>> high current supply. At the time I look at it, it cn not work even
>> use the high current supply. but it will work after charge the
>> battery over night, it will work fine, but remove th AC supply it
>> will not work again instantly. It is unusually complaint, so that I
>> did not give him service I only drop dwon other computer that was
>> fixed OK. This drop down computer was asked to fix the power jack
>> and was finish job.
>> 2./   Another .... is a philips 9P6040 c104   PTV843  whose blue
>> gun blue light can not come out. It is very easy to fix. The screen
>> size is bigger, smaller changing by itself.  I met once this
>> problem but I did not have time to work on it and customer pay
>> sufficient money to fix it so that use commercial method to fix it,
>> not technology way. I bought a OK board for it and finish job. This
>> is the second time meet this problem but I will have to work on it
>> loong time to find out the problem. New my landlord become a miser
>> I don't want to put it into garage as it is too big. Please tell me
>> hints so that I can fix it at one or two hours and finish job, then
>> sold it out. I will pay you hint fee as student pay tuition fee.
>> The other way is to broke it into parts. I only want the screen and
>> the circuit board and the other I will throw it away.
>>
>>
>>
>> Thank you
>> Yu, Ming
>> A1 Discount E&TV Service (Lic : E79924)
>> 415-724-0005
>> http://www.the-best-tv-guy.com
>> 2229 San Jose Ave.,
>> SF, CA 94112
>> 02-03-09
>>
>>
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