[TechAssist] Re: RCA CTC157 no video, has HV and OSD

  • From: Bill Grabowski <bgrabowski@xxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Sun, 14 Aug 2005 08:18:21 -0500

On the CTC157 I believe the location is Q2901 and on a CTC169 its Q2906.
**********************
Bill Grabowski
Triangle Appliance
3813 Roosevelt Rd
Kenosha WI  53142
262-694-6500
262-694-6523   fax
bgrabowski@xxxxxxxxx
**********************



Electric Medic wrote:

>Hey Bill and All: Is it Q2901 or Q2906 that commonly fails on this CTC157
>that causes no video, good sound and has OSD. WinStips shows Q2901 and
>everybody else says Q2906 is the transistor that fails. I have no video, but
>have sound and OSD, just a blank screen. Also, could it be a tuner on this
>set, or if you have good audio the tuner must be good like on some? Customer
>said lightning hit it and she had some other things in her house hit. Does
>anyone from this chassis time frame remember if one of these transistors
>failed from surge? Also is the 143806 the correct part number instead of the
>159. Thanks
>
>Perry Bower
>Electric Medic
>"It's Cheaper to Keep Her"
>http://www.electricmedic.com
>3850 Washington Road  Suite 4C
>Martinez, Georgia 30907
>Phone: 706-8MEDIC4  (863-3424)
>Phone: 706-863-3474
>Fax: 706-863-2316
>mailto:info@xxxxxxxxxxxxxxxxx
>
>
>-----Original Message-----
>From: techassist-bounce@xxxxxxxxxxxxx
>[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Bill Grabowski
>Sent: Tuesday, September 30, 2003 5:43 AM
>To: techassist@xxxxxxxxxxxxx
>Subject: [TechAssist] Re: RCA CTC157 Luma Buffers Repeat Failure!
>
>
>In a pinch I've used the ECG159 and have had them fail but never had a
>143806 fail unless the pix tube had intermittent short. Possibly  check
>with CRT tester and remove any shorts with pix tube laying on face. Just
>my 2 cents.
>
>                                                     Bill
>
>Bill Grabowski
>Triangle Appliance
>Kenosha,WI 53142
>bgrabowski@xxxxxxxxx
>
>Shoreline Electronics wrote:
>  
>
>>Make : RCA
>>Chassis : CTC157 series.
>>Problem : Shorts out Q2906 luma buffer every few days....customer hears a
>>ZAP then set goes to washed out screen with retrace.
>>
>>I'm using ECG159 subs ( 2N3906 generics)
>>
>>Is there an intermittent short ( HK?) causing this or do I need a beefier
>>buffer transistor to resist failure ?
>>
>>
>>==========================
>>Jeff Stielau
>>Shoreline Electronics Repair
>>344 East Main Street
>>Clinton,CT 06413
>>860-399-1861
>>860-664-3535 (fax)
>>jstielau@xxxxxxxx
>>==========================
>>"If you push something hard enough it will fall over."
>>Fudd's First Law of Opposition - Sir Sidney Fudd
>>
>>
>>
>>    
>>
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>--
>*****************************
>Bill Grabowski
>Triangle Appliance
>Kenosha,Wi 53142
>262-694-6500
>262-694-6523 fax
>bgrabowski@xxxxxxxxx
>*****************************
>
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-- 
**********************
Bill Grabowski
Triangle Appliance
3813 Roosevelt Rd
Kenosha WI  53142
262-694-6500
262-694-6523   fax
bgrabowski@xxxxxxxxx
**********************



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