[TechAssist] Re: Hitachi 36TX69K CH# M1CLXU No voltage from SMPS
- From: "Don Hartigan" <hartstv@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 28 Oct 2005 12:07:15 -0300
Buck;Check or replace the following:
Q711,R748,IC701,C723,R792,Q712....
Don of HARTS-TVCR"ASC"
9 Robert St.,Oromocto,NB,Canada,E2V3N2
Tel#506-357-9785,Fax#506-357-6010
hartstv@xxxxxxxxxxx
----- Original Message -----
From: "STERLING PASHER" <spasher@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, October 27, 2005 11:04 PM
Subject: [TechAssist] Hitachi 36TX69K CH# M1CLXU No voltage from SMPS
> Anyone got any notes one this one.I've changed almost all transistors and
> the I/C in the SMPS and checked the resistors and caps. It has a different
> way of getting B+ and then using it to develop lower voltage to run ccts.
> I
> dont think the waveform on the col. of Q902 is correct but it is OK
> comming
> from I/C. I measure 138V on the B+ line but no lower voltages.
> Buck Pasher
> Buck's TV
> Gander Newfoundland
> Canada
> 709-256-7738 (Fax & Phone)
>
>
>
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