zapdbf - Community Contributions
Why does a fuse blow?
Posted to blog
The Tech's Files
on February 7, 2008 2:58 PM
First off we need to understand what a fuse is. A fuse is a safety device, primarily designed to protect something from fire or damage. A normal fuse is simply a small wire running from...
Last Post: March 5, 2008 5:19 PM by toyo87
Yamaha AV-50
Thread started by
zapdbf
on January 30, 2008 11:51 AM
Hey does anybody know where i can find this manual Yamaha AV-50 (stereo amp)- if you have it, thinks, but even if you can just point me to a place that has it, i tried...
Last Post: April 21, 2008 6:38 PM by Taz777
Somthing I started
Thread started by
zapdbf
on January 15, 2008 5:51 PM
Hi, i just wanted to say i realy enjoy helping everybody here out. i like this community. But my intrests go beyond technology, i also love coin collecting and history. I don't know if anybody...
Last Post: January 15, 2008 7:06 PM by Chris Miller
Philips 8p4834 it is a ptv805 chassis case study
Thread started by
zapdbf
on December 7, 2007 2:34 PM
I thought it would be different to post a complete case i just put on my bench a 8p4834 big screen tv. The complaint by the customer is dead, to me this does not resolve...
Last Post: December 7, 2007 3:57 PM by zapdbf
Sony Recall !
Posted to blog
The Tech's Files
on November 12, 2007 10:01 AM
From time to time people have been upset because they feel that their tv or electronic device made by sony should have been re-called. In truth Sony will issue in-warranty maitnance repairs or recalls that...
The Pixel Kunumdrum
Posted to blog
The Tech's Files
on November 7, 2007 6:59 PM
All televisions have a small display unit of the screen called a pixel; a pixel is the smallest picture element on the screen. It will produce a number of colors with varying intensity, comprised of...
Last Post: November 20, 2007 9:57 AM by Larry Dillon
techlore
Thread started by
zapdbf
on November 2, 2007 2:59 PM
Is it just me, or is techlore digressing to a very few topics of conversation basically Mitsubishi and Sony issues. You get a smattering of other things, but consistently these issues keep coming up the...
Last Post: November 2, 2007 4:31 PM by Matt Whitlock
Sony Convergence Repair(My Sony TV has a distorted picture)
Posted to blog
The Tech's Files
on November 2, 2007 10:22 AM
There has been a large amount of chatter on Techlore about Sony convergence ic problems. Luckily Most Sony projection tv's no matter what model you have should be similar to my explanation below, Since Sony...
Last Post: January 11, 2008 4:14 AM by jimmyrjii
Sony Convergence Procedure
By
zapdbf
on October 31, 2007 12:16 PM
Sony Convergence Procedure Document version 1.1 ( I Will update as needed and if errors are found, please let me know and I will issue an update) Changing values in the service mode can cause...
Last Post: May 2, 2008 5:58 PM by zapdbf
Rain And Your Handheld Device
Posted to blog
The Tech's Files
on October 23, 2007 10:59 AM
Water we encounter every day will conduct electricity very well. Even on a very small scale with your hand-held devices. This is a common hazard that we have to deal with on a daily basis...
A Warranty Is Not Insurance
Posted to blog
The Tech's Files
on October 18, 2007 3:49 PM
They seem to be very similar, both pay for broken things. What a warranty does is to protect the customer from a MANUFACTURER defect. We have customers who don’t either understand this concept or just...
Last Post: October 18, 2007 5:41 PM by dans_repair_service
Zenith B27A74R
Thread started by
zapdbf
on October 17, 2007 9:09 AM
Ok guys, I have one in the shop right now that is giving me fits, It is a Zenith B27A74R. The original complaint is that 75% of the picture is missing. I turned up the...
Joule of the Nile?
Posted to blog
The Tech's Files
on October 13, 2007 9:48 PM
Well not Really, I thought I would write a short blog about this unit of measurement that we seem to be confronted with when trying to purchase surge suppressors. Advertisers have decided to use this...
Power Surge
Posted to blog
The Tech's Files
on October 13, 2007 7:25 PM
Power surges can come from many sources and I have found that even modern televisions are prone to damage. Being a repair technician I see my share of power related problems. Most television power supplies...
A Horror Story
Posted to blog
The Tech's Files
on October 11, 2007 6:34 PM
My first story is about a 30” lcd television only about 1 year old. The customer called the shop and requested a service call. He said that the tv was dead. Our tech went out...
Last Post: December 25, 2007 9:29 PM by Larry Dillon
Television Reliability
Thread started by
zapdbf
on October 7, 2007 5:29 PM
I just thought I would write an article about the televisions of today, you have projection lcd, dlp, plasma, and lcd flat panels, and your good old crt (tube televisions). My comments may seem like...
Last Post: July 15, 2008 10:39 AM by Evelyn31909
The Tech
Thread started by
zapdbf
on October 1, 2007 8:03 PM
I wanted to write an article about being a technician; I hope this small document will help the non technician understand what really goes on in a repair shop. I have been a technician repairing...
Last Post: October 11, 2007 12:11 PM by Larry Dillon
Mits ws65513 dead
Thread started by
zapdbf
on September 14, 2007 12:53 PM
I am new to this forum, i have a brand i normally don’t work on, and it seems to have two standby power supplies a sub standby and a standby, what will turn on the...
Last Post: December 19, 2007 12:34 PM by Larry Dillon
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