[TechAssist] Re: hitachi 43fdx10b DP15E convergance problem
- From: Bill Grabowski <bgrabowski@xxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Sun, 16 Jan 2005 13:02:39 -0600
I just worked on a 43UWX10B and had a similar experience. The STK's I
changed and had RK46 open 1.8ohms on a DP14G chassis. After completion I
had to redo the convergence because when the faulty parts were still in
it the customer tried the Magic Focus and screwed the red up more than
it was already. I went in and re-adjusted the convergence and make sure
you save to ROM and don't forget to initialize the Sensors (Magic
Focus) You can get good instructions from the Hitachi site. GoodLuck!!
Bill G
Bill Grabowski
Triangle Appliance
Kenosha,Wi 53142
tibstv@xxxxxxxxxxx wrote:
> hi to all who replied
> did service call on this set- replaced both stk's hitachi web site ( Had
> nice Convergance troubleshooting flow chart ) said this chassis (DP15E used
> a STK392-120 ) Thats what I ordered from B&D. The STK's i took out were
> STK392-110 Red vert line shifted NO ADJUSTMENT ) followed flow chart- led me
> to RK42 (open )
> Replaced STK's with STK392-120 and RK42 value ? 2.2ohm to 3.3ohm Dependin
> where i looked. ( could not read value off resistor-burnt ) so i used a
> 2.7ohm@1W. Put everything back together -fired set up
> Adjusted conv ( perfect white cross ) turned on video
> beautiful picture in center BUT CORNERS sill had poor convergance
> Alvie Rodgers recomended using original Hitach parts
> Is the STK392-120 a suitable replacement for STK392-110
> If anyone has any suggestions I would GREATLY APPRECIATE
> Now i must go on roof and repair my chiminey (started yesterday )
> -Hope you all have better day than me
> GO PATS!!!! Hope I get to watch some of the game-
> tib
> Tiberio Moreira
> 412 Lancaster st
> Leominster Ma. 01453
> Master Liscence # 9176
> tibstv@xxxxxxxxxxx
> -------------- Original message --------------
>
>
>>Usually I find it is just one amp and a resistor or two. A Button in front
>>of the DCU is on all but the earliest will get you into service mode. Convg
>>usually only needs a touch up. low end models may not have Magic Focus [love
>>the name it's not magic and it's not focus] follow the instructions to touch
>>{and inilitilze if it has MF}. Rare but couple of times I found the memory
>>got corrupted then you may need the overlay to do a full convergence.
>>trickiest part I have found is trying to converge the lines in the horz
>>plane only. after getting it close the line will tend to meander and the
>>more you adjust it the more it will meander. the fix is that when you get
>>the adjustment close is to keep the courser one step ahead of the point you
>>are watching to adjust. If the courser is off the screen the V size may be
>>set a bit too large, I have seen this a lot and usually just leave it but be
>>careful not to adjust areas you can't see as it will change the lin for that
>>color between the pattern lines and you won't notice till you exit SM and
>>look at the picture.
>>
>>Bob
>>Leader TV and Video
>>Rochester, NY
>>
>>-----Original Message-----
>>From: techassist-bounce@xxxxxxxxxxxxx
>>[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of tibstv@xxxxxxxxxxx
>>Sent: Tuesday, January 11, 2005 12:07 PM
>>To: techassist@xxxxxxxxxxxxx
>>Subject: [TechAssist] Re: hitachi 43fdx10b DP15E convergance problem
>>
>>
>>hi to everyone
>>have not gone on service call yet for this one
>>I have been doing as much research on this one as i can
>>Terry mentioned RK46@xxxxxx RK46@xxxxxx RK54@xxxxxx RK58@xxxxxx (are
>>these fusable and what wattage Also36V zenner DK24/5/6/7 (also what
>>wattage )
>>Someone else suggested takin the whole tv back to shop
>>Is this procedure too difficult to do in home service ( I don't want to lug
>>proj's at my age )
>>Has anyone been down this road
>>Alvie Rodgers also sent me a ton of info ( thanks to Bob Waterman )
>>-Thank You
>>tib-
>>Tiberio Moreira
>>412 Lancaster st
>>Leominster Ma. 01453
>>Master Liscence # 9176
>>tibstv@xxxxxxxxxxx
>>-------------- Original message --------------
>>
>>
>>>Dont know if you went today. Take the stks and some 1.5 1.8 2.2 and 2.5
>>>2 watt resistors with you (if you have them) Check them in and if
>>>questionable---out of circuit.
>>>
>>>TV Doctor
>>>Avalon, Wi
>>>
>>>----- Original Message -----
>>>From:
>>>To: "tech-assist"
>>>Sent: Monday, January 10, 2005 9:07 AM
>>>Subject: [TechAssist] hitachi 43fdx10b DP15E convergance problem
>>>
>>>
>>>
>>>>hi to all
>>>>I am going on this call for a hitachi 43fdx10b ( DP15E) in which the
>>>
>>>customer described as a convergance problem
>>>
>>>>I have no print ( First DP15E chassis )
>>>>did some research Looks like it uses STK392-110 some say STK392-120
>>>>It wasrecommended that i use STK392-180
>>>>I looked up procedure for convergance for DP14G DP15E DP15 DP17
>>>>but end of procedure step #5
>>>>There is No remote access code for DP15E ( I think this means no majic
>>>
>>>focus )
>>>
>>>>There was also some mention of DCU ( kind of scaring me now )
>>>>I would like to go equipped with enough parts to repair in customer's
>>>
>>>house
>>>
>>>>Is this the wrong approach or do I remove lightbox
>>>>Do I need to allign convergance for standard format and 1080 format
>>>>Can anyone help me? ( hope I'm not biting off more than I can chew )
>>>>If any has any notes that they would be willing to share
>>>>I would appreciate it greatly
>>>>tib
>>>>--
>>>>Tiberio Moreira
>>>>412 Lancaster st
>>>>Leominster Ma. 01453
>>>>Master Liscence # 9176
>>>>tibstv@xxxxxxxxxxx
>>>>
>>>
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--
*****************************
Bill Grabowski
Triangle Appliance
Kenosha,Wi 53142
262-694-6500
262-694-6523 fax
bgrabowski@xxxxxxxxx
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