[TechAssist] Re: RCA TV - F25652BL - CTC187AB - Won't Turn ON - FOLLOWUP
- From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Wed, 28 Jul 2004 20:13:42 +0100
Is there information on what the actual parameters should be or close
too?
David Lessard
Alexandria, Ontario. Canada
mr_fixit@xxxxxxxxxxxx
-----Original Message-----
From: techassist-bounce@xxxxxxxxxxxxx
[mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of Larry Poffen
Sent: Thursday, July 29, 2004 12:56 AM
To: techassist@xxxxxxxxxxxxx
Subject: [TechAssist] Re: RCA TV - F25652BL - CTC187AB - Won't Turn ON -
FOLLOWUP
They are programmed to the center of each range. (most of them anyway)
you
have to adjust to your correct parameters.
Larry
Larrys TV Service
Broken Arrow OK 74011
phone 918-455-1041
Fax 918-451-4485
e-mail lpoffen@xxxxxxx
----- Original Message -----
From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Wednesday, July 28, 2004 1:36 PM
Subject: [TechAssist] Re: RCA TV - F25652BL - CTC187AB - Won't Turn ON -
FOLLOWUP
> I tried another EPROM from a CTC177AA2 chassis, it didn't work, but if
I
> remember correctly that TV had a system control problem at the time,
> probably the EPROM....LOL.
>
> I'm sure I'll find one. If anyone has a known good EPROM to send my
way,
> don't be shy. BTW are these things preprogrammed?
>
> David Lessard
> Alexandria, Ontario. Canada
> mr_fixit@xxxxxxxxxxxx
>
> -----Original Message-----
> From: techassist-bounce@xxxxxxxxxxxxx
> [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of tvservice
> Sent: Thursday, July 29, 2004 12:29 AM
> To: techassist@xxxxxxxxxxxxx
> Subject: [TechAssist] Re: RCA TV - F25652BL - CTC187AB - Won't Turn ON
-
> FOLLOWUP
>
> Sorry I'm in "Big D" Dallas Texas
> try any ctc177 or 187 eeprom for test it will work for test
> Robert
> tvservice@xxxxxxxxxxxxx
> H & H Electronics Inc
>
> ----- Original Message -----
> From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Wednesday, July 28, 2004 12:59 PM
> Subject: [TechAssist] Re: RCA TV - F25652BL - CTC187AB - Won't Turn ON
-
> FOLLOWUP
>
>
> > I don't have Chipper Checker but I will get my hands on another good
> > EPROM. Do you know where I can get a pre-programmed EPROM? In
Canada,
> > near Ontario would be nice.
> >
> > Thanks,
> >
> > David Lessard
> > Alexandria, Ontario. Canada
> > mr_fixit@xxxxxxxxxxxx
> >
> > -----Original Message-----
> > From: techassist-bounce@xxxxxxxxxxxxx
> > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of tvservice
> > Sent: Wednesday, July 28, 2004 11:29 PM
> > To: techassist@xxxxxxxxxxxxx
> > Subject: [TechAssist] Re: RCA TV - F25652BL - CTC187AB - Won't Turn
ON
> -
> > FOLLOWUP
> >
> > If the data never stops after AC plug in the EEPROM is defective.
> > The micro is asking for the data from eeprom until it answers it
keeps
> > sending data
> > Change or reinitialize the eeprom with chipper check
> > Robert
> > tvservice@xxxxxxxxxxxxx
> > H & H Electronics Inc
> >
> > ----- Original Message -----
> > From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Wednesday, July 28, 2004 11:49 AM
> > Subject: [TechAssist] Re: RCA TV - F25652BL - CTC187AB - Won't Turn
ON
> -
> > FOLLOWUP
> >
> >
> > > FOLLOWUP
> > >
> > > OK, just got back to this dog today.
> > >
> > > I have (5V) data activity on pins 5 and 6 of EPROM. Data is always
> > > active, it never stops after AC plug-in, and this may indicate a
bad
> > > EPROM. Also I'm not too sure about U3101-5 (KD1 pin), schematic
says
> > > voltage should be 0V; I'm reading 5V off the pin (disconnected
from
> > the
> > > PCB). I can see how the panel button matrix works for CH UP, CH DN
> and
> > > MENU but I can't make sense of POWER, VOL UP and VOL DN. How does
> > > U3101-5 (KD1 pin) work for those buttons that don't seem to work?
> > > Perhaps I have two problems here.
> > >
> > > Looking for input on this as I've never done a system control
> problem
> > > before.
> > >
> > > Thanks techs,
> > >
> > > David Lessard
> > > Alexandria, Ontario. Canada
> > > mr_fixit@xxxxxxxxxxxx
> > >
> > > -----Original Message-----
> > > From: techassist-bounce@xxxxxxxxxxxxx
> > > [mailto:techassist-bounce@xxxxxxxxxxxxx] On Behalf Of tvservice
> > > Sent: Wednesday, July 21, 2004 8:46 PM
> > > To: techassist@xxxxxxxxxxxxx
> > > Subject: [TechAssist] Re: RCA TV - F25652BL - CTC187AB - Won't
Turn
> ON
> > >
> > > look for +5 volts on pins 5 and 6 of eeprom if not there or low,
> > replace
> > > it
> > > if ok at pin 8. If +5 ok all pins look for data momentarily on pin
5
> > > while
> > > applying ac power
> > > Robert
> > > tvservice@xxxxxxxxxxxxx
> > > H & H Electronics Inc
> > >
> > > ----- Original Message -----
> > > From: "David Lessard" <mr_fixit@xxxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Wednesday, July 21, 2004 8:52 AM
> > > Subject: [TechAssist] RCA TV - F25652BL - CTC187AB - Won't Turn ON
> > >
> > >
> > > > Hey Gang,
> > > >
> > > >
> > > > I need a troubleshooting chart for this TV, a schematic would
also
> > be
> > > > appreciated, any tips out there? Fuse and HOT good, SMPS fires
up
> > when
> > > > TV is plugged in. I use to have lots of information on the
CTC187
> > > before
> > > > my other computer crashed. What did I learn, back things up on
to
> > CD!
> > > >
> > > >
> > > >
> > > > Thanks,
> > > >
> > > >
> > > >
> > > > David Lessard
> > > >
> > > > Alexandria, Ontario. Canada
> > > >
> > > > mr_fixit@xxxxxxxxxxxx
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> >
>
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