[TechAssist] Re: Zenith B27A112, 9-2109-02 , dead, chirps@ turn on only, other. FIX

  • From: larry <schntv@xxxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Wed, 24 Nov 2004 10:02:04 -0500

problem here is, most people wont pay much more than 75 to 
repair a 27" tv.
but if an easy fix I can still make 5 bucks an hour repairing 
it my self.
lol
larry


Larry E wrote:
> Phil, why would you spend that much time (and money) when you
> could have ordered a rebuilt from Tri-State  for $75.00?? I know
> the story "real techs fix to component level" but we are all in business
> to make a living and I have found that swapping modules on Zeniths
> is way more profitable then fixing them to component level. I have
> to say "good job" in getting a dog like that fixed, but you`d be
> better off financially to exchange the modules, just my 2 cents
> worth, Larry E
> 
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl. 34428
> ----- Original Message -----
> From: "Phil Bader" <tjanphyl@xxxxxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Monday, November 22, 2004 2:18 PM
> Subject: [TechAssist] Zenith B27A112, 9-2109-02 , dead, chirps@ turn on
> only, other. FIX
> 
> 
> 
>>Originally dead. Heard the chirp of the smps at plug in. Had all the
>>normal  voltages in standby.
>>+135VDC on HOT collector.
>>Push power. hear the  high voltage surge, then nothing. Scoped the
>>collector of the HOT (used a suitable probe)and saw the usual waveform
>>at start up. I've learned from past experiences this is a bad flyback.
>>Cure: Replaced the fly #95-4372-01 (subs are 95-4601-01, 95-4617-01,
>>95-4617-03).
>>Now, unit powers up with good high voltage.
>>The picture was poor, a black and white negative picture with smear to
>>the right.
>>Cure: Replace all three 120K ohm 1/2 watt resistors on the CRT board.
>>Now have a good black and white picture.
>>But, no color. OSD had color.
>>Cure: replace ICX2200: TA1268N.
>>Whew.
>>All fixed.
>>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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-- 
Schneider TV & Electronic Inc.
5415 N. Wooster ave.
Dover, Ohio 44622       www.geocities.com/schntv2000/
330-343-0768         FCC. first class & Extra class K8WLY

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