Check your crt board if it has a TDA6108, 9,or 10 IC. This IC shorts and will blow the regulator instantly. (I believe it shorts between pins 4-6) Jonas Miglinas Miglinas TV Chicago ----- Original Message ----- From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx> To: <techassist@xxxxxxxxxxxxx> Sent: Friday, September 05, 2003 5:28 AM Subject: [TechAssist] Re: Sony KV32S40 power supply question > I wouldn't trust their parts. Give it another whack with parts from a > reliable source. > > 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@xxxxxxxxxxxxxxxx > geminitv@xxxxxxx > www.geminicomputertvsecurityalarms.com > > > ----- Original Message ----- > From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx> > To: <techassist@xxxxxxxxxxxxx> > Sent: Thursday, September 04, 2003 9:35 PM > Subject: [TechAssist] Re: Sony KV32S40 power supply question > > > > This one has a mind to be stubbron. Replaced IC601, the HOT, and the > > fusable. IC601 (MX0841) and C609 promptly exploded. (Very litteraly) the > > HOT and the fusable resistor are still fine after replacement. This MX > came > > from MAT weight, markings and package were consistant with the original, > > anyone had problems with these? (needed a few things they had so thew it > in > > with order)...... > > > > Peter Oliver > > Tucson Radio TV > > > > > > From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx> > > Reply-To: techassist@xxxxxxxxxxxxx > > To: <techassist@xxxxxxxxxxxxx> > > Subject: [TechAssist] Re: Sony KV32S40 power supply question > > Date: Tue, 2 Sep 2003 07:52:57 -0400 > > > > Don't forget to look for the open fusible resistor in the power supply as > > well. The most common causes for HOT failure are solder connections on > HDT, > > defective flyback, arcing CRT, and there is usually a small electrolytic > > (0.47mfd/50V) in the horizontal driver circuit that I always replace on > this > > vintage. > > > > 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@xxxxxxxxxxxxxxxx > > geminitv@xxxxxxx > > www.geminicomputertvsecurityalarms.com > > > > > > ----- Original Message ----- > > From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx> > > To: <techassist@xxxxxxxxxxxxx> > > Sent: Monday, September 01, 2003 7:19 PM > > Subject: [TechAssist] Sony KV32S40 power supply question > > > > > > > Sony KV32S40 > > > AA-2D chassis family > > > > > > Unit dead with flashing LED (continous). Has HOT blown, and > > MX0841 > > > shorted. Connections on Horz drve transformer look ok, Will solder > > anyway. > > > Conection on Horz drive transistor a little poor. Customer claims light > > > started blinking, left the room and it was gone. Any caviots for this > > > particular supply? Not sony ASC so this series just starting to trickle > > in, > > > first one of the MX containing series that I recall coming in with > power > > > supply fault, usually just see the sets with the discretes, schematic > > looks > > > like they packaged the transisors and the VDR's in one..Yes I was > working > > > labor day to clean up the backlog from last week, got done at 3:45 and > > this > > > set came it after 3:00. I'm going to have to order parts on this one > and > > a > > > few other sets tomorrow but ideas in the the shipping interm time may > be > > > usefull. > > > > > > > > > Peter Oliver > > > Tucson Radio TV > > > > > > _________________________________________________________________ > > > MSN 8: Get 6 months for $9.95/month. > > http://join.msn.com/?page=dept/dialup > > > > > > > > > **************************************************************************** > > * > > > Classifieds! 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Buy or Sell! http://sell.tech-assist.org The Tech Address Book: http://www.tech-assist.org/secure/tip/contact.htm Add a Repair Tip Here, or Change/Remove your Email Address: http://www.tech-assist.org/secure/tip/main.htm Lost Password: http://www.tech-assist.org and select "Lost your Login Info?". Email Archives: //www.freelists.org/archives/techassist/