[TechAssist] Re: Mitsubishi CS35X7
- From: "Terry H." <tvdoc@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 1 Mar 2004 11:06:18 -0600
If it's designed like most of their sets, the audio B+ is the same 28volts
as the vertical and xray latch. If it's possiblen, disconnect the B+ leads
to the audio board and see if it fires.
Terry H.
The TV Shop
Gonzales, Tx
----- Original Message -----
From: "markbrock" <markbrock@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, March 01, 2004 11:17 AM
Subject: [TechAssist] Mitsubishi CS35X7
> Hi Gang:
> this is one comes in with customer saying sound fades in and out,
rca
> audio outs are ok, plugged it in and power supply caps blew, C9H4,
C9H3,
> C949. replaced them, now it tries to start but shuts down, click on and
> back off as soon as you plug it in, no response using the front panel ,
> what ever relay energizes to get D901 ac power isn't doing it, so no
> voltages at the STRS reg, ? green led D959 comes on then back off, I'v
> headed and cooled, resolderd, checked all reg's, caps, and Diodes, if it
> has a problem on the audio board , will it shut down ? can it be
isolated?
> via one of the jacks on the p.s. I need a print of this power supply or
> some advise, this thing is heavy, big, in the way, and I can't get
> anything else done until its off my bench, anyone fought this before ?
I
> really appreciate any and all input on this one
> brock
> Brock Electronics
> R.R.4 box 237
> 5208 cr.3385
> Independence Ks. 67301
> 620-331-0235
> fax 331-7191
>
> markbrock@xxxxxxxxxxxxx
> Zenith*Philips*Peavey*Fender*Crate
> we work on all brands,makes,models
> of anything that plugs in the wall
>
>
>
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