[TechAssist] Re: for the record + repairing without a schematic?
- From: "J Silverman" <greentron@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Sat, 19 Oct 2002 16:05:43 -0400
You look for tips on lists like these and hope that it has a common problem
for the model. If people that post tips would include enough information,
like model year and part numbers etched on a main pcb it would be easier to
cross reference the models. I have seen many posts from competent, well
equipped servicers to the effect that they fix half of their repairs from
tips. The lists should have an archive of tips that you can search and you
can always store posts with a tip in your computer or print them out to
build your own data base.
If its an older unit you have to go through it and repair the cracked solder
and replace the dried out electrolytics anyway and sometimes thats all thats
wrong with it. Avoid lightning damaged units because you never can tell how
extensive it is. What with everything containing large scale integrated
circuits now, it only takes one of those defective to make diagnostics
impossible without some very special equipment.
Some organizations sell model cross references and tips data bases that you
can buy. Some of the manufacturers keep repair data bases on their product
and make this information available to you. For example, you can go to the
Panasonic Web site and ask for technical advise on their products.
Jerry Silverman
Greentron Inc
4 Newland Ave
Greenville SC 29609
864 232 3889
Fax 271 2080
mailto:greentron@xxxxxxx
----- Original Message -----
From: "Stefaan Van Slycken" <vanslycken@xxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Saturday, October 19, 2002 4:12 AM
Subject: [TechAssist] for the record + repairing without a schematic?
> hi techs...
> some might notice i only posted a few questions and very little help to
other techs... i'm a starter too (like babalino, whose posts cause me to
post this, so nobody thinks i'm just a lurker hoping for help without doing
anything myself). I'm a graduate in electronics, and did three months of
learning at the local thomson repair center, where i learned a lot more than
in school...
> So far, i only have experience on the thomson/telefunken/saba/nordmende
sets (which are all the same brand actually), unfortunately these are not
sold under that name in the states... and i can't see any similarities in
RCA chassis numbers, so i guess these are different from the european
ones...but if i can be of any assistance, i'll try my best.
> * One question though: can a tv be repaired without a schematic? I'm used
to working with all the right technical documentation, but sometimes i get
these cheapo tv's and i wonder if they're even worth looking at. If you
*can* get a schem, it's at least â,¬25, and then you haven't even spent time
looking for the error, so repair costs will be way too high for the
customer. Do you guys use schematics for every repair? Are there any
"tricks" to try?
>
> kind regards
> Stefaan Van Slycken
> Van Slycken Elektro
> Belgium
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