Help identifying ceramic resonator

[CSA722]

I have a ceramic resonator in a remote that has broken leads. The numbers on
the case are: 1422 on the first line, 271-4 on the second line and the initials
C.P. on the third line. I can't find it in the Digi-Key catalog and I can't
determine the resonate frequency. The remote is from a GE TV. Any help is
appreciated.

Thanks,
Charles

 

[Jerry G.]

This is a preparatory part number for the remote. GE does not support
servicing these remotes.

What you can do is go to any of the local electronics parts suppliers that
sell generic TV and electronics service parts, and ask about a universal
type ceramic crystal for remote controls. In most of the remotes these are a
455 kHz ceramic crystal. I cannot remember if it is a series are parallel
resonant device in these remotes. I suspect it is a series type. These
remote control crystals should sell for about $2 to $5 on the average.

Another thing you can do is go to any of the local flea-markets, and look
for some of the vendors that sell old remotes. Get a number of cheap ones,
and take them apart. In each one, you will get a good IR LED, and the
ceramic crystal as well, unless by coincidence they are defective. These two
parts are very common in many of these remotes.

The most common failures in these remotes is the ceramic crystal, and the IR
LED. The crystal is usually damaged when the remote is dropped very
strongly.

--

Jerry G.
==========================


"CSA722" <csa722@aol.com> wrote in message
news:20040824175428.15298.00002375@mb-m04.aol.com...
I have a ceramic resonator in a remote that has broken leads. The numbers on
the case are: 1422 on the first line, 271-4 on the second line and the
initials
C.P. on the third line. I can't find it in the Digi-Key catalog and I can't
determine the resonate frequency. The remote is from a GE TV. Any help is
appreciated.

Thanks,
Charles

 

[Sadfly]

I just went through this about 2 weeks ago. My RCA remote (CRK39K
a.k.a 173916) was dropped and stopped working. It had the same
ceramic resonator. My resonator 1422 271-4 was made by Murata. Even
after 26 years, they won't disclose any information about the
resonator due to an NDA... Anyway, I found a schematic for my TV
which also lists the remote control parts. It clearly states that the
part is a "crystal", mfgr part number 151804, and that the frequency
is 455KHz.

I bought a Murata CSBLA455KJ58-B0 from Mouser for $0.81 plus
shipping. Note: I splurged on the sealed/washable version. The
non-washable version is p/n CSBLA455KEC8-B0 and is $0.56. Digikey has
the "E" verson for $0.61. If you really want an exact replacement,
you can get the 151804 from VanceBaldwin.com for $5.90 plus shipping.
(Do a search for part number 271-4).

The leads don't quite extend past the circuit board with the resonator
laying down on the foam pad, but you can still get good quality solder
joints. My remote is back together and working great!

Good luck!
-Sadfly

On 24 Aug 2004 21:54:28 GMT, csa722@aol.com (CSA722) wrote:

I have a ceramic resonator in a remote that has broken leads. The numbers on
the case are: 1422 on the first line, 271-4 on the second line and the initials
C.P. on the third line. I can't find it in the Digi-Key catalog and I can't
determine the resonate frequency. The remote is from a GE TV. Any help is
appreciated.

Thanks,
Charles

 

[CSA722]

I just went through this about 2 weeks ago. My RCA remote (CRK39K
a.k.a 173916) was dropped and stopped working. It had the same
ceramic resonator. My resonator 1422 271-4 was made by Murata. Even
after 26 years, they won't disclose any information about the
resonator due to an NDA... Anyway, I found a schematic for my TV
which also lists the remote control parts. It clearly states that the
part is a "crystal", mfgr part number 151804, and that the frequency
is 455KHz.

I bought a Murata CSBLA455KJ58-B0 from Mouser for $0.81 plus
shipping. Note: I splurged on the sealed/washable version. The
non-washable version is p/n CSBLA455KEC8-B0 and is $0.56. Digikey has
the "E" verson for $0.61. If you really want an exact replacement,
you can get the 151804 from VanceBaldwin.com for $5.90 plus shipping.
(Do a search for part number 271-4).

The leads don't quite extend past the circuit board with the resonator
laying down on the foam pad, but you can still get good quality solder
joints. My remote is back together and working great!

Good luck!
-Sadfly

Thanks, I had concluded that it was a 455KHz resonator and have just ordered
one from DigiKey.

Thanks,
Charles