[TechAssist] Re: PTV Unusaul Coolant Leak - Fixed

  • From: Bil Green <tv.vcrrepair@xxxxxxxxxxx>
  • To: Scott Beebe <techassist@xxxxxxxxxxxxx>
  • Date: Thu, 17 Jun 2004 13:56:36 -0700

Hi Scott,

Isn't it interesting that one of the other dealers just said that he
almost never sees Toshibas break during warranty. Just like I said,
different experiences in various areas of the country - even with the
same models.

So from what you see, Toshibas are nothing but trouble. I have seen
plenty Toshibas break in warranty around here also. Still not as bad
as Thomson.

-- 
Best regards,
 
 Bil Green 
 PC 1000
 Mammoth Lakes, CA 93546
 760-924-1000                           mailto:tv.vcrrepair@xxxxxxxxxxx

Thursday, June 17, 2004, 5:30:17 AM, you wrote:

SB> Hello Bil,
SB> We see more Toshiba TV's in for warr. repairs, then ALL other brands 
combined. I think there might a good profit margin, thats why everyone sells 
them. I have not seen one yet, that I would want
SB> in my house. (10yrs ago they where fine) And I think "Consumer Reports" 
gave them a good rating, (Best picture quality) so all the dealers swear by 
them. I have not seen one yet without some kind
SB> of convergance/color/purity problem. .....Just my 2 cents.



SB>  Thanx,

SB> Scott Beebe
SB> Ohm Electronics Inc.
SB> 609 W. Clinton St.
SB> Ithaca NY 14850
SB> Voice: (607) 273-8406
SB> Fax: (607) 273-8743
SB> WWW.OhmElectronicsInc.com
SB> mailto:Scott@xxxxxxxxxxxxxxxxxxxxx

SB> Wednesday, June 16, 2004, 6:44:31 PM, you wrote:

Bil>> Toshiba PTV
Bil>> Model 65HX81
Bil>> Symptom: no power

Bil>> Just finished repairing this set. It was so hard to figure where the
Bil>> leak was that I thought this may help someone else (other interesting
Bil>> defects found)

Bil>> 1. Troubleshot
Bil>> 2. Located and replaced open 2A circuit protector in power supply -
Bil>>    at this time a portion of the green CRT (picture tube) circuit
Bil>>    board immediately started burning up
Bil>> 3. Examined area around green CRT and found a few drops of liquid
Bil>>    leaking from the CRT onto the circuit board (cause of burning).
Bil>> 4. Removed the green CRT/assembly - checked carefully for leaks (no
Bil>>    longer leaking! - so obvious sign as to where it leaked from)
Bil>> 5. After hours of waiting for it to leak, and more tests, a loose
Bil>>    filler plug was found (buried under silicone sealant). We added
Bil>>    more coolant, tightened it (was not leaking at this time), and
Bil>>    sealed it with silicone sealant.
Bil>> 6. Repaired burnt wiring on green CRT board
Bil>> 7. Reinstalled green CRT/assembly
Bil>> 8. Adjusted convergence controls
Bil>> 9. Tightened loose lens wing nuts (not done properly at factory)
Bil>> 10. Cemented totally loose convergence adjustment tabs (another
Bil>>     big mistake at factory)

Bil>> DOES TOSHIBA SUCK OR WHAT? - This is not the first time I am seen
Bil>> loose lens wing nuts, not to mention almost every direct view Toshiba
Bil>> I see having very green grey scale. But then it is good for business.


SB> 
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