[TechAssist] Re: CTC176K2 20" hotel set, weird!

  • From: Kevin <kevintv@xxxxxxx>
  • To: techassist@xxxxxxxxxxxxx
  • Date: Thu, 09 Jan 2003 23:11:16 -0800

I tried an eprom from another identical working chassis and the set is
still dead.

Kevin Wilks
Kevin's TV & Video Repair
Penticton BC Canada
kevintv@xxxxxxx 
 

-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of tvservice
Sent: Thursday, January 09, 2003 6:54 AM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: CTC176K2 20" hotel set, weird!


You are correct
try another EEPROM for the correct chassis
should be #221098
Robert
tvservice@xxxxxxxxxxxxxxxxxxx
H & H Electronics Inc

----- Original Message -----
From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, January 08, 2003 7:18 AM
Subject: [TechAssist] Re: CTC176K2 20" hotel set, weird!


>
> I wonder if you transferred the test EEprom software into your old
EEprom
> because you left the TV powered up, then turned it off. I thought the
RCA
> Micro tranfers EEprom info during power down sequence. Am I incorrect?
>
> Damon Brunger
> damon101@xxxxxxxxxxxxxx
> Telrad Electronic Services
> Ft Wayne, IN 46815
>
> ----- Original Message -----
> From: "Kevin" <kevintv@xxxxxxx>
> To: "TECH-ASSIST" <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, January 08, 2003 5:16 AM
> Subject: [TechAssist] CTC176K2 20" hotel set, weird!
>
>
> > RCA hotel set, CTC176K2 chassis.
> >
> > Hi fellow techs,
> >
> > Set came in dead.  Set tweaks as it is plugged in indicating the
> > horizontal frequency is working.  Repaired tuner grounds, replaced
> > shorted IR sensor-something sticky was poured on circuit board on
front
> > of circuit board where the control buttons are, cleaned up.
Replaced
> > eeprom and microprocessor from working chassis.  Still dead.
Replaced
> > eeprom with test eeprom  that is from a different chassis.  Set
comes on
> > as soon as set is plugged in but pwr, volume down and menu buttons
do
> > not work, channel up and down activate menu and change channels
every
> > 5th push, volume up button activates menu and sometimes OSD for
> > parameter setup:  P00            V00.  Removed test eeprom while set
is
> > running and reinstalled original eeprom and now set comes on by
itself
> > as with test eeprom.  By the way, voltage to eeprom at pins 5,6 and
8 is
> > 5 volts.  HELP!!!!!!!!
> >
> > Kevin Wilks
> > Kevin's TV & Video Repair
> > Penticton BC Canada
> > kevintv@xxxxxxx
> >
> >
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