[TechAssist] Re: Magnavox 25S104-00EE H.O.T Heating up.
- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 6 Feb 2003 07:44:08 -0500
Peter,
Check these out:
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Text pasted from WinSTIPS 2.0
http://www.ServiceSoftware.com
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PHILIPS S1
B+ To High (145v) Takes A Minute To Turn Off (15v)
Bay Electronics Inc.
C432 Big Cap In Front Of Flyback 100mf 200v Open B+ Should Toggle From 130
To 15 When Pwr On And Off
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PHILIPS S1
Dead
Bob Farrey 25s101-101
Check Q400 For Short And R432 For Open And Burned
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PHILIPS S1
Dead
Osage Tv
Open B+ Fuse 2.5a, R432 1k-1/2w Ok Near Str30130. If Tv Turns Itself On Str
May Be Bad Or The On/Off Circuitry May Be At Fault
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PHILIPS S1
Dead
Simpson'S Tv 25s102
D404, R403 1.5 Ohm
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PHILIPS S1
Dead
Robinson Electronics
Replace R407 "Open" 100 Ohm, Replace Ic430 Reg. Str30130, Replace Q400
Tip47 Reg. Transistor.
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PHILIPS S1
Dead
Bill Dixon Tv
Q403 & Q502 Shorted, R407 & R408 Open
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PHILIPS S1
Dead
Reg Ic Str30130, R432, Q400
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PHILIPS S1
Dead
Simpson'S Tv 25s102
C505,R407,F401
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PHILIPS S1
Dead
Topag Tv Puerto Rico 20s1
Q403, R407 100 Ohms, R408 100 Ohms, R412 130 Ohms
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PHILIPS S1
Dead - R407 & R432 Are Burnt
Blue Ribbon Tv & Computers
Replace R407 (100 Ohms) And R432 (1k). Also Replace Q400 (Ecg198), Q403
(Ecg399) And Ic430 (Str30130)
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PHILIPS S1
Dead, Lost Nuteral In Customer Fuse Box,Tv Went Dead Afterwards
Emergency Tv Electronics
Replaced Ic Regulator Str30130. Also Q402 ( 554-1 Or Ecg399). Q502 H.O.T.
(597-2 Or D1880 ) ,R432 1k 1/2w,,F401 2.5a Micro Fuse Also Watch Other Micro
Fuse. Emergency Tv Electronics
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PHILIPS S1
Dead. Fuses Ok, Than Wont Turn Off
Billdog
R407 100 .33w And R438 680k .25w
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PHILIPS S1
Dead. no click or startup at power on
Bill Batts
Q403 Ecg399 had b-e short, R407 100 ohm open
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PHILIPS S1
Dead. Storm Damage
Budd'S Elect Chassis: 27s101
Str30130, R407 1 Ohm 1/2w
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PHILIPS S1
Horiz Unstable
Consumer Service
C432 100@25 Or C431 3.3@250
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PHILIPS S1
Power comes on at plugin and will not turn off
J Zack Chassis: 25s102
R438 680k resistor open
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PHILIPS S1
Power Off Inop When Plugged In Audio Loud Pix Scrambled
Gauthier Tv
Q400 483513047072 R432 1k Str 30130 Replaced All 3 Parts
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PHILIPS S1
Power Off Inop. Comes On At Plug In. Then Only Turns Off Sound.
Simpson'S Tv
R638 Open 680k -1/2w
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PHILIPS S1
Power Off Inop. Powers On Ok
Osage Tv
R432 1k, Q400
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PHILIPS S1
Power Supply Problem?
Osage Tv
With Q402-B Grounded..Tv On 1-2 Volts Out Of Reg Ic?, 155v At Input Pi N 3,
Only 9v At Pin 2 S/B 133v, New Reg Didn'T Help.Look For Open R432 1k
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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: "Peter W. Blakeman" <pwblakeman@xxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, February 05, 2003 8:04 PM
Subject: [TechAssist] Magnavox 25S104-00EE H.O.T Heating up.
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>
> This Magnavox Model R2555-A205, Chassis 25S104-00EE came in with a
> shorted horizontal output
> transistor. The transistor is a 610597. I didn't have the Magnavox part.
> My local dist said it is a 2Sd1880.
> I had a 2SD1881. The set comes on ok, but the transistor is getting hot
> after a few minutes. I checked and resoldered the connections on the
> horizontal driver xmfr. Any ideas on this one?
> TIA,
>
> Peter Blakeman
> Blakeman Electronics
> Tyler, Tx
>
>
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