[TechAssist] Re: Sony KV32XBR35 - (SCC-F16A-A)
- From: Gary McCartney <gary@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 07 Dec 2004 22:38:24 -0500
Max, check these out:
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Peggs, heres another maybe, I had a KV32HRS10 with "venetian blind
effect" and it
was
R527 a (point 47) .47 Ohm 1/4 watt located off pin 11 of the flyback,
hope this
helps
Larry Eastman
American TV & Electronics
Crystal River, Fl. 34428
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I've found a few tips on the CXA1477 causing this problem,but
nothing specific to the CXA2025S causing it.
The Video goes crazy when I chill the CXA2025S,so I know it's bad,but
it doesn't seem to affect the Venetian Blind symptom.
Also,is the CXA2025S different from the AS(CXA2025AS)
I can find the AS for under $10,from Electrosound.
Electrosound doesn't carry the S,and doesn't know if the AS will sub.
The S is $32 from Tritronics.When I type in the CXA2025AS at Tritronics,it
comes back with a cKa2025as.....$16.21
Peggs
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Peggs,
Don't over look the E-caps in the vertical ckt.
They can cause your symptom, also.
I had a Sony 32XBR36, that had a bad cap in the vertical.
I changed the Jungle IC first , but found out I just wasted my time & money.
Good luck,
LLW
LeRoy Westlund
Westlund TV & Electronics
97 North Main "Where there's a will,...
Centerfield, UT 84622-0087 There's always a way."
Ph./Fax 435-528-3822
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First, those two IC's are very different and not interchangable (this has
been discussed many times here, check the archives). It does sound to me
like the IC may be the cause of all your symptoms. Check IC351 - pin 46 for
horiz sync waveform and also pin 45 for output. If this is not good, check
C391 (part# 1-163-017-00). The part number for the jungle IC(CXA2025S) is
8-752-076-08. I would start by replacing the IC first.
Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager / Parts Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxx
geminitv@xxxxxxx
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Gary McCartney
McCartney Electronics
Guelph Ontario Canada
Est. 1984
email: gary (at) number63.ca
Old TV Man wrote:
> After this set warms up it has the venetian window blind effect.
>
> I have checked several tips and found nothing on this. I do not have a
> schematic.
>
> Max Bonnell
> Bonnell TV
> Robinson, IL
>
>
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