[TechAssist] Re: SANYO DS25630 STILL SHUTS DOWN
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 23 Jan 2003 17:44:54 -0500
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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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SANYO DS25630
Shutdown
Peggs
Ic101 La7673
Set Had The Classic Bad Flyback,Yoke,B+ Regulation
Symptoms.....................Yet All Were Good.
Horizontal Drive Transistor,Q401, Had App. 0volts On The Collector.Base
Voltage Was .7v Turning The
Horizontal Drive Transistor Full On.Too Much Drive From Ic101 La7673.
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SANYO DS25630
Shuts Down
Hugh/ Main Tv
Check Diodes D421 Or D422 11v Zeners-- Either One Can Cause Shut-Down If
Shorted. Located At Pin 24 On Ic101.
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SANYO DS25630
Shuts Down After 5-30 Secs
Computer & Communication Solutions - www.ccsinc.com - 804-642-9731
Replace C406 1@160v
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SANYO DS25630
Dead
Rk Tv Service
D623 5.1v Zener
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SANYO DS25630
Dead, relay clicks
Marshfield TV (2086)
Shorted HOT, 2SD1879 (ECG2331), bad flyback, part # 6450000881, open
resistor R610, 3.9@2W. Flyback $58 at FOX, MCM had for $25 July `99.
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Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx
----- Original Message -----
From: "Hivolts" <hivolts@xxxxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, January 23, 2003 5:40 PM
Subject: [TechAssist] SANYO DS25630 STILL SHUTS DOWN
> Hi All
> still have not fix this. I put it aside and let it set.today I got in to
it again.so far I have replace STR 30130,C483,C406,Q621,Q623,Q402, Check the
vert output and audio,rang the fly back.took the crt pcb off,and took the
yoke plug off.And still it will start and as soon as the hv sweeps it will
shut down it dose not matter if i'm at 90v or 120v.i tried 80v still shuts
down
> T,I,A
> chuck
> staples tv
>
>
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