[TechAssist] Re: Need scan of Vertical Circuit - Mitsubishi CS-31303
- From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Mon, 31 Oct 2005 20:00:50 +0000
is the 12v supply to pin 1 of the vertical Ic (LA7838) working? on some
Mitsubishi's a set of bad connections devleop off a SW-mode transformer in
the power supply. Of course the glue could have eaten thru the traces
somewere along the drive path too..
Peter Oliver
Tucson Radio TV
From: Jon Garver <jongar@xxxxxxxxxxxxx>
Reply-To: techassist@xxxxxxxxxxxxx
To: TechAssist <techassist@xxxxxxxxxxxxx>
Subject: [TechAssist] Need scan of Vertical Circuit - Mitsubishi CS-31303
Date: Mon, 31 Oct 2005 12:25:21 -0500
Mitsubishi CS-31303 Chassis JU-0
No vertical deflection.
Replaced R570, caps C986, C449, C987, and the vertical output.
Still no go.
A scan of this circuit would be helpful.
Thanks,
--
Jon Garver
Heritage Television Service
204 Heritage Rd.
Monticello, IN. 47960-1510
Voice & FAX: 574-583-9681
Alternate Email: HeritageTV@xxxxxxxxxxx
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