[TechAssist] Re: mitbishi projo vs45605 need help
- From: "Ron Miller d.b.a. Country TV" <rlmbkm@xxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Thu, 12 May 2005 23:17:03 -0500
As other has stated, bad connections on the yoke ( small pcb on each one )
will cause this.Even if you see V pulse at pin 7 of vert output ic ( most
likely wrong waveshap).
Been there done that!!.hth
Country TV
Ron Miller
Inez, TX. 77968
----- Original Message -----
From: "pete" <tvtech@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, May 12, 2005 8:47 PM
Subject: [TechAssist] mitbishi projo vs45605 need help
> Hi guys
> The symptom is tv tries to start I hear high voltage then It shutsdown.
> But I dont have to unplug to reset. I have checked the vertical section I
> have vert pulse on pin 7 of vert Ic, output I have all the derived
> voltages from the power supply before It shuts down, I have a good clean
> waveform on the base of hot transistor. xray protect I have a normal
> reading on pin 46 of Ic700 I disconnected the stks and replaced them I
> have plus and minus voltages going to the stks, I also disconnected the
> audio, I looked at the clock and data signal on pin 4 and 5 of tuner. What
> else can I do?Any help will be greatly appreciated.
> Perdomo Tv Inc Since 1972
> Miami.Fl
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