[TechAssist] Re: Fw: CTC169 14volts down to 8volts-dead set

Dear Al:
 That Horizontal Output Transistor Collector voltage
is way too high.I think you are observing Regulator
action(shut down intiated by Micro).
 Suspect components around That I.C. you
changed,especially the two diodes cr4401,cr4402.
-Daniel

--- AL LEATHERMAN <alleathe@xxxxxxxxxxxxx> wrote:
> 
> 
> Subject: CTC169 14volts down to 8volts-dead set
> 
> 
> > All: changed ic driving chopper-chopper pulses at
> about 200 volts peak to
> > peak,160 volts on hor.out.
> > no pulse from jungle ic to hor driver, even with 9
> volts applied to jungle
> > ic. Micro produces on pulse briefly but stays
> low.Appreciate help. also
> > rerplaced famous diode
> > in 14 volt/5 volt stand by circuit. al
> >
> > Al's TV
> > 224 Rt. 46
> > Mine Hill, NJ. 07803
> > 973-361-5796
> > alleathe@xxxxxxxxxxxxx
> >
> 
> Help make your TechAssist online repair tips 
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