[TechAssist] Re: Sony KP61XBR38, AP chassis Convergence or pincushion?
- From: "Tony S" <tcselectronics@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 24 Nov 2004 00:02:32 -0600
Shorted pin amp transistor, sorry dont have location number but it should be
2SA1301, also put a bunch of solder on the sweep board.
Tony Saracco
TCS ELECTRONICS
406 Andra Ct.
Gilberts, IL 60136
tcselectronics@xxxxxxxxx
----- Original Message -----
From: "Larry E" <videotech@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, November 23, 2004 5:46 PM
Subject: [TechAssist] Sony KP61XBR38, AP chassis Convergence or pincushion?
> Hi Guys, went out and replaced both Convergence IC`s 5 weeks ago
> on this Sony, set looked great, used original Sony STK4278L`s,
> originally had an hourglass shape. Went out yesterday and picture
> is pincushioned on both sides and picture is way too wide, print
> at bottom left and right is off screen, I didn`t have print with me
> so I checked fuses, voltages to the IC`s, all are good, adjusted
> pincushion, bow etc. but all 3 colors are equally bowed on each side,
> and pincushion adjustment is minimal, Looking at the print there
> doesn`t seem to be a master Horizontal size control, I`m thinking I
> may have a pincushion problem because voltages are good and the
> STK`s are not running hot, will be going back out to customer with
> schematic tomorrow but thought I would ask for ideas before going.
> This model is the same as, 46xbr35, 53xbr35, 46xbr25, 46v15,
> 41exr95, 41exr96 etc.
> Thanks in advance, Larry E
>
> Larry Eastman
> American TV & Electronics
> Crystal River, Fl. 34428
>
>
>
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