[TechAssist] Re: Hitachi 27CX30BC, chassis A3LXU, goes into shutdown

  • From: "Barry Thompson" <barrystv@xxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 24 Oct 2003 21:15:59 -0400

Check all the zeners in the horz. drive circit,check horz. driver for E - C
leakage,and retrace cap 1600 volts.
barrystv@xxxxxxx
Barrys TV
613 224 3406
Ottawa.Canada.
----- Original Message ----- 
From: "Willie Hunter" <williehunter2@xxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, October 24, 2003 8:57 PM
Subject: [TechAssist] Re: Hitachi 27CX30BC, chassis A3LXU, goes into
shutdown


> Do you have a fuse in the vert. circuit?(F601,0.75amp).if so check it.
> Hunter TV
> Detroit,Mich.
>
>
> >From: Kevin <kevintv@xxxxxxx>
> >Reply-To: techassist@xxxxxxxxxxxxx
> >To: TECH-ASSIST <techassist@xxxxxxxxxxxxx>
> >Subject: [TechAssist] Hitachi 27CX30BC, chassis A3LXU, goes into shutdown
> >Date: Fri, 24 Oct 2003 16:52:13 -0700
> >
> >This set is driving my crazy!  When the power button is pressed the HV
> >comes up for 2 seconds and then goes into shutdown.  Found and replaced
> >shorted vertical IC with no change.  The B+ is supposed to be 130, but
> >is 137 for 2 seconds until shutdown.  HV is 30.2 kV, which according to
> >the service manual from the Hitachi website is 2.2 kV high.  Flyback
> >rings good.  All caps in x-ray protect circuit test good for ESR.  Any
> >thoughts?
> >
> >Kevin Wilks
> >Kevin's TV & Video Repair
> >Penticton BC Canada
> >kevintv@xxxxxxx
> >
> >
> >
>
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