Correction: Jumper J410 was used to monitor the +130VDC B+, not J418 next to it. Sorry. Phil Bader Phil Bader wrote: >Final fix: I changed: >Q402,Q601,F601,D611,D612, IC601. >I clipped my volt meter across a jumper J418 next to the fly, >negative to HOT heat sink to monitor the +130V source. >I plugged the TV into my Sencore PR570 isolated variac set to zero line volts, >and slowely increased it to full 120VAC. I had +80VDC at the jumper in standby. >I powered the TV on, and a perfect picture and sound appeared, with the >+130VDC source >at +129.9VDC running. >All seems stable and well. >Customer said he didn't want to put much into it, as it was only $400.00 at >Walmart. >Yeah. I have wide band cable internet. Sanyo 32" HDTV at walmart is on sale @ >$697.00, was $747.00. >The standard res Sanyo 32" flat screens there are $397.00. >I guess he was "confused"... >Phil Bader > > >>Saturday, January 29, 2005, 10:54:36 AM, you wrote: >> >>Phil> Other ID: "Family/Group: VB1A" Made Nov. 2003. >>Phil> Customer said they watched it night before, next morning, dead. No >>storms. >>Phil> This is made with two large boards, one I would call signal, the other >>Phil> power/deflection. There are other daughter boards. >>Phil> Inspected and found, all on power board... >>Phil> Blown AC fuse F601 (4A GMA) >>Phil> Main reg FET shorted: Q601 (K3505) >>Phil> HOT shorted: Q402 ("Toshiba C5857"). >>Phil> The three small reg. transistors all test OK out of circuit: >>Q611,612,613. >>Phil> The 4 lead opto-iso "seems" OK with diode test. (# on part: PC123) >>Phil> All the small low-ohm resistors and small diodes in the PS area seems >>Phil> OK,too. >>Phil> My first Sanyo HDTV. >>Phil> Any one have experience with this one? Suggestions needed. >>Phil> Wonder why the PS and HOT was damaged. Which caused which... >>Phil> Wonder is there's a service manual in pdf available. >>Phil> Thanks, >>Phil> Phil Bader >> >>Phil> -- >> >>Phil> Philip Bader >>Phil> Jan Phyl TV Inc. (estab. 1976) >>Phil> 3420 Recker Hwy. Winter Haven, Fl. 33880 >>Phil> Fax (863) 299-8821 >>Phil> email: tjanphyl@xxxxxxxxxxxxxxx >> >> >>----------------------------------------------------------------------------- >>Lost Password: >>http://www.tech-assist.org and select "Login Problems?". >>Email Archives: >>//www.freelists.org/archives/techassist/ >> >> >> >> >> >> > > > -- Philip Bader Jan Phyl TV Inc. (estab. 1976) 3420 Recker Hwy. Winter Haven, Fl. 33880 Fax (863) 299-8821 email: tjanphyl@xxxxxxxxxxxxxxx -- No virus found in this outgoing message. Checked by AVG Anti-Virus. Version: 7.0.300 / Virus Database: 265.8.6 - Release Date: 2/7/2005 ----------------------------------------------------------------------------- Lost Password: http://www.tech-assist.org and select "Login Problems?". Email Archives: //www.freelists.org/archives/techassist/