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

  • From: "Gemini Computer & TV" <geminitv@xxxxxxxxxxxxxxxx>
  • To: <techassist@xxxxxxxxxxxxx>
  • Date: Fri, 10 Jan 2003 06:36:47 -0500

Surface mount chip jumper JC403 is at coordinates K/L 11 and JC411 is at
coordinates J/K15/16. They are very small so look carefully.

Bob Waterman, CET® #RI-28
Master Technician License #9109
Service Manager
Gemini Computer, TV, & Security Alarms
(508)695-7302
(508)695-7769 FAX
geminitv@xxxxxxxxxxxxxxxx
geminitv@xxxxxxx

----- Original Message -----
From: "Kevin" <kevintv@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Friday, January 10, 2003 2:24 AM
Subject: [TechAssist] Re: CTC176K2 20" hotel set, weird!


>
> I can't find JC403 or JC411.  Can you give me some reference points?
> Was your set dead as well?  TIA
>
> 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 Webster TV
> Sent: Thursday, January 09, 2003 1:09 PM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: CTC176K2 20" hotel set, weird!
>
>
> Kevin,
>
> Check for open trace between JC403 & JC411, had this happen once in a
> CTC176, and it caused numerous different symptoms, including the ones
> you
> mentioned. I found the tip in a EUROS book on RCA tips. I spent hours on
> this set and was about to give up, when I came across the tip. Jumper
> with a
> piece of wire to solve.
>
>                                                     Dan Webster
>                                                     Webster's TV
>                                                     Shullsburg, Wi.
> ----- Original Message -----
> From: Kevin <kevintv@xxxxxxx>
> To: TECH-ASSIST <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, January 08, 2003 3:08 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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