[TechAssist] Re: Update#2! RCA 61" hdtv P61310, DTV307GA, fans "kick" once, otherwise dead]

  • From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Sat, 22 May 2004 12:40:07 -0400

248399 "yoke *Dds*"
Phil

Technotronic Dimensions wrote:

>Phil:
>
>        What Part Number is that where its coming up NLA ??
>
>Steve Hearns
>Technotronic Dimensions, NY [USA]
>WWW.TECHNOTRONIC-DIMENSIONS.COM
>1-877-817-9885 (Voice / Fax Toll Free - US Only)
>
>
>----- Original Message ----- 
>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Saturday, May 22, 2004 11:50 AM
>Subject: [TechAssist] Re: Update#2! RCA 61" hdtv P61310, DTV307GA, fans
>"kick" once, otherwise dead]
>
>
>Thanks for the feedback, always appreciated from this forum.
>, but what the h*ll with "NLA" on a yoke in a  three thousand dollar
>unit 36 months out of the plant? Customer hasn't had it 36 months! Geez,
>this is the TOP end  of RCA,s CRT  based HDTV. What the heck does RCA
>think? I got a email confirmation on my web order and although it showed
>one in stock, now says zero stokk, one "BO".
>I dunno. This govt is ALLOWING these thugs to get away with this. All
>nice and legal.
>Venting...
>Phil Bader
>
>Wayne Vanaman wrote:
>
>  
>
>>The "square tape" is the SVM coil. 240796.  I have moved many of these
>>    
>>
>coils
>>from tube to tube.  Just examine carefully its position on the neck.
>  
>
>>RCA tech assist once told me, on a warranty job, to cut and splice the yoke
>>wires instead of changing all three yokes.
>>
>>Wayne Vanaman
>>Omega Electronics
>>6904 W Fairfield Dr
>>Pensacola, Fl.  32506-3310
>>
>>Wayne@xxxxxxxxxxxxxxxxxxxxx
>>WWW.PensacolaTVRepair.Com
>>
>>850-456-5995 voice
>>850-458-6369 fax
>>
>>
>>----- Original Message ----- 
>>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>>To: <techassist@xxxxxxxxxxxxx>
>>Sent: Saturday, May 22, 2004 8:41 AM
>>Subject: [TechAssist] Update#2! RCA 61" hdtv P61310, DTV307GA, fans "kick"
>>once, otherwise dead]
>>
>>
>>
>>
>>    
>>
>>>An ongoing saga...
>>>The unit did power on with the blue CRT ioslated from the set.
>>>Customer approved the estimate., I ordered the parts. INstalled the CRT.
>>>Upon removing the blue yoke, I saw the insides were cut to ribbons by
>>>the broken glass of the  neck.Funny this still allowed the set to power
>>>on with this yoke plugged in, but maybe it was damaged  "open" instead
>>>of shorted. Anyway, the yoke is a  248399, Tritronics shows it NLA (a
>>>three year old 61in. HDTV), but another distrib. showed one left.
>>>Supposedly it comes as three yokes attached together. (daisey chained).
>>>I assume I may be able to buy the three and install the one,as the other
>>>two tubes operate OK.
>>>Also, there is an interesting clear square tape with a copper coil
>>>printrd in it that must be peeled off the old CRT neck and placed on the
>>>new, and a wire soldered to it.
>>>What a pia.
>>>Ordered the yoke on line this morning. Any input appreciated.
>>>Phil Bader
>>>
>>>Phil Bader wrote:
>>>
>>>
>>>
>>>      
>>>
>>>>After removing anode from bad blue CRT and unplugging CRT neck board,
>>>>the set powered up with a good picture except of course no blue.
>>>>Verified no other damage.
>>>>I  am still thinking the CRT neck board on the bad tube may have taken
>>>>damage, but not many parts on that assy, and seems easy enough to fix if
>>>>needed.
>>>>Awaiting customer's return call.
>>>>My fix will be a blue CRT assembly (comes without yoke), the two diodes
>>>>and two 4700mfd caps said to be a problem on the DMA power supply board,
>>>>as recommended in thread below.
>>>>(plus the convergence-from-hell, probably)
>>>>Will advise.
>>>>Phil Bader
>>>>
>>>>tvservice wrote:
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>        
>>>>
>>>>>You can do just what you said
>>>>>look for coolant leak at broken tube
>>>>>possible cause of break
>>>>>Robert
>>>>>tvservice@xxxxxxxxxxxxx
>>>>>H & H Electronics Inc
>>>>>
>>>>>----- Original Message ----- 
>>>>>From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
>>>>>To: <techassist@xxxxxxxxxxxxx>
>>>>>Sent: Tuesday, May 18, 2004 8:44 AM
>>>>>Subject: [TechAssist] update. RCA 61" hdtv P61310, DTV307GA, fans "kick"
>>>>>once, otherwise dead]
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>          
>>>>>
>>>>>>-------- Original Message --------
>>>>>>Subject: RCA 61" hdtv P61310, DTV307GA, fans "kick" once, otherwise
>>>>>>
>>>>>>
>>>>>>            
>>>>>>
>>dead
>>
>>
>>    
>>
>>>>>>Date: Sat, 15 May 2004 11:06:13 -0400
>>>>>>From: Phil Bader <tjanphyl@xxxxxxxxxxxxxxx>
>>>>>>To: techassist@xxxxxxxxxxxxx <techassist@xxxxxxxxxxxxx>
>>>>>>
>>>>>>I checked the DMA Power supply board and the two 4700mfd caps .Caps
>>>>>>tested OK. I noticed as I powered it on, looking inside in the back, as
>>>>>>it would do the cycling, I saw an arc from up under the CRT area each
>>>>>>cycle.
>>>>>>opened the front panel where I could see the bottoms of the CRT necks
>>>>>>and CRT boards.
>>>>>>The CRT on my right had the neck hanging!
>>>>>>I can see a black arc line around it at the bell where it appears to
>>>>>>have arced until it burnt through the glass neck!. CRT is toast. Don't
>>>>>>know what else.
>>>>>>Question:
>>>>>>Can I isolate this bad blue CRT by unplugging it's anode from the
>>>>>>
>>>>>>
>>>>>>            
>>>>>>
>>block,
>>
>>
>>    
>>
>>>>>>and unplug the CRT board, so I can power the set and see if the other
>>>>>>two CRTs are OK, and I have HV,etc? What's the safest way?
>>>>>>
>>>>>>Will keep posted.
>>>>>>PS: another tech  advised on the DMA power supply (upright one above
>>>>>>sweep) to just change caps C14113,C14115 (use# 250729), and diodes
>>>>>>CR19710 and 13 with #234048. High failure rates, tho not my problem
>>>>>>
>>>>>>
>>>>>>            
>>>>>>
>>here.
>>
>>
>>    
>>
>>>>>>Phil Bader
>>>>>>
>>>>>>Philip Bader
>>>>>>Jan Phyl TV Inc. (estab. 1976)
>>>>>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>>>>>
>>>>>>
>>>>>>
>>>>>>Phil Bader wrote:
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>            
>>>>>>
>>>>>>>A newer chassis.
>>>>>>>RCA  61 inch  HDTV. model P61310, chassis DTV307GA.
>>>>>>>No picture, no sound.
>>>>>>>I notice there is an "access card" in a slot in the rear, I assume a
>>>>>>>built in satelite tuner assy.
>>>>>>>Customer is an office equipement tech, and says it has two 24 volt
>>>>>>>fans that seem to "kick" once, but do not start up. The set is
>>>>>>>otherwise dead.
>>>>>>>When I plugged in the cord, I heard the "chirp" of what I assume is
>>>>>>>the power supply.
>>>>>>>Pushed power button: Green light comes on and stays green constantly.
>>>>>>>No other response, other than a strange sound coming from the lower
>>>>>>>right side of the set (facing the set's screen), best described as a
>>>>>>>half-second "Gurgle" recurring steadily every one second.
>>>>>>>Could use ANYTHING on this: pdf's, bullitens, histories, common
>>>>>>>hi-failures, anything!
>>>>>>>Thanks,
>>>>>>>Phil Bader.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>              
>>>>>>>
>>>>>>-- 
>>>>>>
>>>>>>Philip Bader
>>>>>>Jan Phyl TV Inc. (estab. 1976)
>>>>>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>>>>>Fax (863) 299-8821
>>>>>>email: tjanphyl@xxxxxxxxxxxxxxx
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>            
>>>>>>
>>>>>------------------------------------------------------------------------
>>>>>          
>>>>>
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>>>>>>            
>>>>>>
>>>>>---
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>          
>>>>>
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>>>>>>
>>>>>>
>>>>>>            
>>>>>>
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>>>>        
>>>>
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>>>>        
>>>>
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>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>          
>>>>>
>>>>
>>>>        
>>>>
>>>-- 
>>>
>>>Philip Bader
>>>Jan Phyl TV Inc. (estab. 1976)
>>>3420 Recker Hwy. Winter Haven, Fl. 33880
>>>Fax (863) 299-8821
>>>email: tjanphyl@xxxxxxxxxxxxxxx
>>>
>>>
>>>
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>>>
>>>
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>  
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-- 

Philip Bader
Jan Phyl TV Inc. (estab. 1976)
3420 Recker Hwy. Winter Haven, Fl. 33880
Fax (863) 299-8821
email: tjanphyl@xxxxxxxxxxxxxxx



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