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

  • From: Al Gutz <alg@xxxxxxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Sat, 08 Oct 2005 21:25:54 -0400

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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