What H-out transistor you are using? Panday > > From: "Kevin Gunn" <kgunn@xxxxxxxxxx> > Date: 2003/04/28 Mon PM 06:32:47 EST > To: <techassist@xxxxxxxxxxxxx> > Subject: [TechAssist] Re: SONY KV27TS30 *DEAD* > > > I changed the C525 .47uf but still have a problem with the HOT running to > hot after about 3 minutes. > > Kevin Gunn > Star Tek Electronic Services > 390 Springbank Drive > London, Ontario > www.ulurn.com/startek > > N6J 1G9 519-473-6366 > > ----- Original Message ----- > From: "Michael Schildt" <mschildt@xxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Sunday, April 27, 2003 9:46 AM > Subject: [TechAssist] Re: SONY KV27TS30 *DEAD* > > > > > > Kevin, > > > > If this set has a .47uf electrolytic that couples the base of the horiz. > > drive transistor to the drive pulse I would replace it. ESR will look OK > > however the value changes. I have seen this more than once. > > > > Mike Schildt > > ET TV > > mschildt@xxxxxxxxx > > > > > > -----Original Message----- > > From: techassist-bounce@xxxxxxxxxxxxx > > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of > > dpanday@xxxxxxxxxxxx > > Sent: Thursday, April 24, 2003 8:39 PM > > To: techassist@xxxxxxxxxxxxx > > Subject: [TechAssist] Re: SONY KV27TS30 *DEAD* > > > > > > > > Kevin, > > > > Check and replace all VDR's alway on this power supply. > > Also, check, C609,610,611 &612, C625 > > D603,D605 and all the previous parts you replaced. > > I can send you a pre-test for this unit before you apply your 120VAC. > > Give me an email address. Good Luck. Panday > > > > > > > > > > From: "Kevin Gunn" <kgunn@xxxxxxxxxx> > > > Date: 2003/04/24 Thu AM 09:22:42 EST > > > To: <techassist@xxxxxxxxxxxxx> > > > Subject: [TechAssist] SONY KV27TS30 *DEAD* > > > > > > I had a SONY KV27TS30 come in DEAD. > > > I replaced Q601 & Q602 (2SC4834), > > > the HOT (2SC4927), the .1 resistor that comes in the Sony SPKIT as > > well as the 6.8 R resistor and the VDR 601. > > > The set ran all day and the customer took it home and it lasted about > > 2 more hours the next day. > > > All the same components failed again. > > > Nothing checks any different on VDR 601 281K as compared to a new one. > > > Any thoughts would be appreciated. > > > > > > Kevin Gunn > > > Star Tek Electronic Services > > > 390 Springbank Drive > > > London, Ontario > > > www.ulurn.com/startek > > > > > > N6J 1G9 519-473-6366 > > > > > > ********************************************************************** > > > ******* > > > The Tech Address Book: > > > http://www.tech-assist.org/secure/tip/contact.html > > > Add a Repair Tip Here, or Change/Remove your Email Address: > > > http://www.tech-assist.org/secure/tip/main.html > > > Lost Password: > > > http://www.tech-assist.org and select "Lost your Login Info?". > > > Email Archives: > > > http://www.freelists.org/archives/techassist/ > > > > > > > ************************************************************************ > > ***** > > The Tech Address Book: > > http://www.tech-assist.org/secure/tip/contact.html > > Add a Repair Tip Here, or Change/Remove your Email Address: > > http://www.tech-assist.org/secure/tip/main.html > > Lost Password: > > http://www.tech-assist.org and select "Lost your Login Info?". Email > > Archives: http://www.freelists.org/archives/techassist/ > > > > > > > **************************************************************************** > * > > The Tech Address Book: > > http://www.tech-assist.org/secure/tip/contact.html > > Add a Repair Tip Here, or Change/Remove your Email Address: > > http://www.tech-assist.org/secure/tip/main.html > > Lost Password: > > http://www.tech-assist.org and select "Lost your Login Info?". > > Email Archives: > > http://www.freelists.org/archives/techassist/ > > > ***************************************************************************** > The Tech Address Book: > http://www.tech-assist.org/secure/tip/contact.html > Add a Repair Tip Here, or Change/Remove your Email Address: > http://www.tech-assist.org/secure/tip/main.html > Lost Password: > http://www.tech-assist.org and select "Lost your Login Info?". > Email Archives: > http://www.freelists.org/archives/techassist/ > ***************************************************************************** The Tech Address Book: http://www.tech-assist.org/secure/tip/contact.html Add a Repair Tip Here, or Change/Remove your Email Address: http://www.tech-assist.org/secure/tip/main.html Lost Password: http://www.tech-assist.org and select "Lost your Login Info?". Email Archives: http://www.freelists.org/archives/techassist/