[TechAssist] Re: Sony KP 53v75
- From: "Jeff Farnsworth" <jlfonz@xxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 27 Aug 2004 00:35:22 -0500
IF this is one with stk4278L convergence IC's I just worked on one today.
Check d604 and d605 on G board (if this is the same G board under board
with fly and splitter) and Q603. Stks will be bad also. apparently they
short and don't even bother blowing the glass fuses right on the board when
they go.
TV Doctor
Avalon, Wi
----- Original Message -----
From: "peter" <pe.kow@xxxxxxxxxxxx>
To: "Techassist@xxxxxxxxxxxxx" <techassist@xxxxxxxxxxxxx>
Sent: Thursday, August 26, 2004 11:58 PM
Subject: [TechAssist] Sony KP 53v75
> Hello All, We've got one of these beasts in the shop too. Apparently set
has
> PS issues, none of the voltages in the PS that originate with T605 are
> anywhere near what they are supposed to be. Most of these voltages read
> about 65%. We've changed the Reg IC, the Switching IC (IC601)and a few
caps.
> Has anyone had any issues with T605 or T604, the scoped waveforms that we
> get at pins 5 and 6 of T605 seem to be strange and irregular. Any hints or
> suggestions would be appreciated Thanks Peter Kowalik
> pe.kow@xxxxxxxxxxxx <mailto:pe.kow@xxxxxxxxxxxx> Keith's Stereo Burl ON
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