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Need Service Manual for Toshiba TV 2540XH-Dramatic-V21

 
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Vrya



Joined: 03 Feb 2008
Posts: 4
PostPosted: Mon Jun 22, 2009 12:44 pm    Post subject: Need Service Manual for Toshiba TV 2540XH-Dramatic-V21 Reply with quote
Hiii... Alll
Help with my problem.... Question

1. Toshiba TV 2540XH have a Bright White line across diagonal/horizontal of the screen.( Sympthon likes Vertical problem ? )....but I can see if the picture was folded to the middle of the screen.

2. Can I have the full service manual for this type of tv ?
Smile

Hope hear from you soon.

Regards,

Vrya

ithiunq@yahoo.com
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minnie



Joined: 18 Aug 2005
Posts: 2510
Location: Hell
PostPosted: Mon Jun 22, 2009 1:01 pm    Post subject: Reply with quote
Replacing the vertical IC and pump up cap should fix it.
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Vrya



Joined: 03 Feb 2008
Posts: 4
PostPosted: Tue Jun 23, 2009 11:05 pm    Post subject: Reply with quote
minnie wrote:
Replacing the vertical IC and pump up cap should fix it.


Dear Minnie...

Many Thank's for your solution,it's LA7837 (IC301) as the vertical IC ?!

Thank's



ithiunq@yahoo.com
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Vrya



Joined: 03 Feb 2008
Posts: 4
PostPosted: Tue Jun 23, 2009 11:21 pm    Post subject: Reply with quote
Vrya wrote:
minnie wrote:
Replacing the vertical IC and pump up cap should fix it.


Dear Minnie...

Many Thank's for your solution,it's LA7837 (IC301) as the vertical IC ?!
I could saw if at Q408 is attached AN7712F ?! it's a mistake or some modification ?

Some useful info :
Toshiba TV type : 2540XH
FTB : TFB4118AN
Tube : A59KPR84X
IC301 : LA7837
IC501 : TA8880AN
IC502 : TA8772AN
IC602 : TA8211AH

QD01 : B688
Q408 : AN7712F
Q404 : D2253

I have another question :
1.How to identification the chassis number ?
2.Where I can get the schematic for replacing the Q408 ?


Thank's



ithiunq@yahoo.com
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minnie



Joined: 18 Aug 2005
Posts: 2510
Location: Hell
PostPosted: Wed Jun 24, 2009 2:18 am    Post subject: Reply with quote
Check with Justmanuals. I don't have access for non american sets.
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PostPosted: Wed Jun 24, 2009 9:18 pm    Post subject: Reply with quote
minnie wrote:
Check with Justmanuals. I don't have access for non american sets.


Hii minnie

Thank's for your answer....I think I'll try to serch..
Thank's again.

for additional info...
I had changed the IC301( LA7837 ) and olso the elco around the IC....nothing change on the screen Confused
what I had missed ??? I resoldered the pins of TFB,Coils....
There is a DPC board ? what have potentio for Hwidth,DPC,HHeight.The QD01(B688),getting hot just i minute i start the set.
What's that function of dpc or gpc board ??

Thank's

Vrya
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Justmanuals



Joined: 21 Aug 2004
Posts: 1453
PostPosted: Wed Jun 24, 2009 9:45 pm    Post subject: Reply with quote
I currently don't have this manual. But if you give me the exact details of exactly what kind of TV it is, I may be able to get it.

Paul@Justmanuals.com
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Vrya



Joined: 03 Feb 2008
Posts: 4
PostPosted: Sat Jun 27, 2009 3:46 am    Post subject: Reply with quote
Anonymous wrote:
minnie wrote:
Check with Justmanuals. I don't have access for non american sets.


Hii minnie

Thank's for your answer....I think I'll try to serch..
Thank's again.

for additional info...
I had changed the IC301( LA7837 ) and olso the elco around the IC....nothing change on the screen Confused
what I had missed ??? I resoldered the pins of TFB,Coils....
There is a DPC board ? what have potentio for Hwidth,DPC,HHeight.The QD01(B688),getting hot just i minute i start the set.
What's that function of dpc or gpc board ??

Thank's

Vrya


Hii all...
After I replaced the IC301(LA7837) the set is stack in standby.No heater voltage,KB/KR/KG is aroud 171V...the ic 301 no voltage drive at pin1..when i traced it must came from ic AN7712F,it's just 1V at pin input and output of the ic(Q408).I tried to unmount the ic,at input pin have 16V.
???? Crying or Very sad
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