[TechAssist] Re: [TechAssist]WHAT MODEL OR CHASSIS? Re: intermittent rca
- From: Gary McCartney <gary@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Wed, 06 Apr 2005 10:23:32 -0400
Nothing is for sure but the chances are far greater that a new diode of
same or better specs should out-last one thats already been running in
the chassis for 8 years. I usually install a diode that is rated with
better specs if I have one. MUR4100E is one I like to use. Rated 1000V,
4 Amp, 75nS . Compared with the FR302 which is what I received in an
original RCA parts bag, rated at 100V, 3 Amp, 150 nS
I can't believe there are still some who don't replace this diode when a
169 comes into the shop. It's only been suggested about 100 times on
this email list for all sorts of symptoms.
Now a bit of a twist on the question. If a CTC169 comes into the shop
that you replaced CR4118 a few years back, you do replace it again?
Gary McCartney
McCartney Electronics
Guelph Ontario Canada
Est. 1984
email: gary (at) number63.ca
Jim Myers wrote:
> That seems to be the same opinion most techs have, but what says a new
> part with unknown reliability will outlast a good working part? No need
> to answer, just my opinion and I'm sure I will not change anyones mind.
>
>
> ********************************
> Since 1972 *
> Jim Myers *
> Telrad Electronics *
> Fort Wayne Indiana *
> ********************************
>
>
> gulftech@xxxxxxxx wrote:
>
>>Jim,
>>
>>I replace them just because they give so much trouble and I don't want a
>>recall because of it. A couple of bucks added when you're already in
>>there is a non-issue.
>>
>>
>>Kenneth Smith
>>Gulf Technical Services
>>3034 Gulf Breeze Parkway
>>Gulf Breeze, FL 32563
>>850-934-8324 (Voice) 850-932-0819 (Fax)
>>
>>
>>On Wed, 06 Apr 2005 05:43:19 -0500 Jim Myers <jr.myers@xxxxxxxxxxx>
>>writes:
>>
>>
>>>That is just what CR4118 does in the 169 chassis, drops to maybe 7 or
>>>8
>>>volts when power is pressed. I only replace them when bad, why
>>>replace a
>>>good part at random?
>>>
>>>
>>>********************************
>>>Since 1972 *
>>>Jim Myers *
>>>Telrad Electronics *
>>>Fort Wayne Indiana *
>>>********************************
>>>
>>>
>>>Kevin wrote:
>>>
>>>
>>>>I repair mostly TV's. I had one CTC177 with a bad diode in the 15
>>>
>>>volt
>>>
>>>
>>>>line causing intermittent video. The voltage was dropping to 11
>>>
>>>volts
>>>
>>>
>>>>and the diode tested good out of circuit. All this proves is that
>>>
>>>we
>>>
>>>
>>>>all have different experiences with what repairs we get in. Just
>>>
>>>like
>>>
>>>
>>>>very few techs have ever changed a flyback in a CTC169 chassis. I
>>>
>>>have
>>>
>>>
>>>>replaced 3 in 8 years.
>>>>
>>>>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 Electric
>>>
>>>Medic
>>>
>>>
>>>>Sent: Wednesday, April 06, 2005 12:13 AM
>>>>To: techassist@xxxxxxxxxxxxx
>>>>Subject: [TechAssist] [TechAssist]WHAT MODEL OR CHASSIS? Re:
>>>>intermittent rca
>>>>
>>>>You're joking right, or you don't work on TV's right? You have
>>>
>>>never had
>>>
>>>
>>>>a
>>>>CTC169 with a bad CR4118 causing dead or intermittent or color
>>>
>>>problems?
>>>
>>>
>>>>Something is not adding up here, has Google sent customers in here
>>>
>>>with
>>>
>>>
>>>>us
>>>>Techs? HELP!!!!!!!!!!!!!!!!!!!!
>>>>
>>>>Perry Bower
>>>>Electric Medic
>>>>"It's Cheaper to Keep Her"
>>>>http://www.electricmedic.com
>>>>3850 Washington Road Suite 4C
>>>>Martinez, Georgia 30907
>>>>Phone: 706-8MEDIC4 (863-3424)
>>>>Phone: 706-863-3474
>>>>Fax: 706-863-2316
>>>>mailto:info@xxxxxxxxxxxxxxxxx
>>>>
>>>>
>>>>-----Original Message-----
>>>>From: techassist-bounce@xxxxxxxxxxxxx
>>>>[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Kevin
>>>>Sent: Wednesday, April 06, 2005 2:49 AM
>>>>To: techassist@xxxxxxxxxxxxx
>>>>Subject: [TechAssist] Re: [TechAssist]WHAT MODEL OR CHASSIS? Re:
>>>>intermittent rca
>>>>
>>>>
>>>>I have never had one cause a problem. What voltage line is CR4118
>>>
>>>on?
>>>
>>>
>>>>Should I be replacing them when I have never seen one fail?
>>>>
>>>>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 Electric
>>>
>>>Medic
>>>
>>>
>>>>Sent: Tuesday, April 05, 2005 9:58 PM
>>>>To: techassist@xxxxxxxxxxxxx
>>>>Subject: [TechAssist] Re: [TechAssist]WHAT MODEL OR CHASSIS? Re:
>>>>intermittent rca
>>>>
>>>>Please put Make, Model (or Chassis), and Problem in subject line.
>>>
>>>Then
>>>
>>>
>>>>email
>>>>can be filed Automatically, Thanks. CR4118 should go without
>>>
>>>saying. Of
>>>
>>>
>>>>course it will fix intermittent operation. That is the first part
>>>
>>>we
>>>
>>>
>>>>change
>>>>on all CTC169's regardless of customers problem. I would think all
>>>
>>>shops
>>>
>>>
>>>>would change this on all CTC169 repairs, we do, don't we?
>>>>
>>>>Perry Bower
>>>>Electric Medic
>>>>"It's Cheaper to Keep Her"
>>>>http://www.electricmedic.com
>>>>3850 Washington Road Suite 4C
>>>>Martinez, Georgia 30907
>>>>Phone: 706-8MEDIC4 (863-3424)
>>>>Phone: 706-863-3474
>>>>Fax: 706-863-2316
>>>>mailto:info@xxxxxxxxxxxxxxxxx
>>>>
>>>>
>>>>-----Original Message-----
>>>>From: techassist-bounce@xxxxxxxxxxxxx
>>>>[mailto:techassist-bounce@xxxxxxxxxxxxx]On Behalf Of Gary
>>>
>>>McCartney
>>>
>>>
>>>>Sent: Wednesday, April 06, 2005 12:48 AM
>>>>To: techassist@xxxxxxxxxxxxx
>>>>Subject: [TechAssist] Re: intermittant rca
>>>>
>>>>
>>>>Don't know if this will cure it but it has been recommended by
>>>
>>>many
>>>
>>>
>>>>techs to replace CR4118 (RCA # 164590 or FR302 generic)in every
>>>
>>>CTC169
>>>
>>>
>>>>that comes into the shop, whether it appears to be OK or not. This
>>>
>>>diode
>>>
>>>
>>>>causes a lot of strange symptoms.
>>>>
>>>>
>>>>
>>>>
>>>>Gary McCartney
>>>>
>>>>McCartney Electronics
>>>>Guelph Ontario Canada
>>>>Est. 1984
>>>>email: gary (at) number63.ca
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>GRAYSTV@xxxxxxx wrote:
>>>>
>>>>
>>>>
>>>>>we have a 35 " rca ctc169BG5 that shuts down very intermitantly.
>>>
>>>like
>>>
>>>
>>>>once
>>>>
>>>>
>>>>
>>>>>a day. I measured the b+ after it shutdown and it did not waver.
>>>
>>>when
>>>
>>>
>>>>it
>>>>
>>>>
>>>>
>>>>>tried to turn on.otherwise i can't get a test. i have replaced
>>>>>c4102,c4108,c4104,c612,cr4401,c4406,cr4402, c4403, and c4404. does
>>>>
>>>>anyone
>>>>have any advice??
>>>>
>>>>
>>>>
>>>>>GraysTV/Glenn Gray
>>>>>Berlin Ht's.OH 44814
>>>>>Phone (419) 588-2325
>>>>>graystv@xxxxxxx
>>>>>
>>>>>
>>>>>
>>>>
>>>>
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