[TechAssist] Re: Samsung 42" HCM4215W, shuts off

From: BOSS1996@xxxxxxx
To: techassist@xxxxxxxxxxxxx
Date: Mon, 10 Oct 2005 10:22:24 EDT
 
But what about the fact it does not have any vertical drive signal?
Robert  Cardoza
Picture Perfect Elec.
9940 NW 6th Ct
Pembroke  Pines, Fla,  33024
954-435-5868
 
 
In a message dated 10/8/2005 9:20:47 PM Eastern Daylight Time,  
alg@xxxxxxxxxxx writes:
Possible  both converg module and STKs bad on these.

Al G

Phil Bader  wrote:
> Here's some pasted info on your model.Maybe some tips, and a  ref. chart 
> as well. Hope this helps,
> Phil
> (see  below)
> convergence trouble, originally would shut down before any  pix.
>  >>>found that removing bad STK392-040 allowed set  to play.
>  >>>installed new stk392-040 but has terrable  twisted blue convergence.
>  >>>doesnt seem to be the  STKs.
>  >>>not a Samsung service center.
>   >>>any help appreciated.
>  >>>Larry
>  
> Did you replace both STK's or just one? Check all the resistors near  the
> STK's some may look over heated and are probably off  value.
> thank you men, for the # and advice,
> I ordered a  digital control unit today, it is back ordered.
> lol
>  larry
> I have uploaded the following file to the members area  "HCM4215W_Schematic
> Diagram.pdf"
> 
> Bob Waterman, CET®  #RI-28
> 
> Subject: HCM 4215W Quick Parts Reference
>  Background: The part numbers for major assemblies can be difficult to  
locate
> in the service manual parts list.
> Solution: Keep this  chart with the service manual as a quick guide.
> Description   Part Number
>  
> Sun screen               AA67-00207A
> PCB sensor (convergence) AA95-01841A
> Lenticular  (tint) Screen     AA67-00193A
> PCB CRT (all 3 together)  AA94-08582A
> Fresnel screen             AA67-00193B
> PCB V/M         AA94-08268A
> PCB  A/V front / side       AA94-08575A
> Convergence  module      AA95-02039A subs to BP95-00151A Tritronics can  get
> $91.00
> PCB control           AA94-08576A
> Convergence amp PCB  AA95-02002A subs to BP94-00383A Tritronic can get 
$84.00
> CRT RED    BP91-00256A
> Micro module             AA95-02001K
> CRT GREEN         BP91-00257A
> Remote        AA59-00262A
> CRT BLUE               BP91-00258A
> Main PCB         AA94-08264A
> HV Dist    AA26-30006F
> Power/Deflection (Sub) PCB  AA94-08574A
> Focus  pack                     BP59-00005A
> DY jack PCB         AA94-08270A
> Pro Scan  Module              AA95-03019A
>  
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics  Inc
> 
> 
> Philip Bader
> Jan Phyl TV Inc. (estab.  1976)
> 3420 Recker Hwy. Winter Haven, Fl. 33880
> Fax (863)  299-8821
> email: tjanphyl@xxxxxxxxxxxxxxx
> personal/ alt. email:  pbader@xxxxxxxxxxxxxxx
> see our ad at:
>  
http://jan-phyl-television-pc-monitor-service.9601288257006.worldpages-ads.com/
>  
> 
> 
> BOSS1996@xxxxxxx wrote:
> 
>  
>>>From what I can see it has no vertical, set goes on for a  while, no 
picture  
>>but has sound, then shuts off. No vert  signal, plus no vert signal from 
main  
>>board, just 3.5 volts.  I've changed the vert output IC with no success.
>>Anyone have any  experience with this model?
>>It looks like the main pcb can be  ordered but I'm reluctant to do that if  
>>I'm  wrong.
>>
>>
>>Robert   Cardoza
>>Picture Perfect Elec.
>>9940 NW 6th  Ct
>>Pembroke Pines, Fla,   33024
>>954-435-5868





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[TechAssist] Re: Samsung 42" HCM4215W, shuts off

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