[TechAssist] Re: Hitachi part needed for model 31DX10B
- From: Gary McCartney <gary@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 06 Aug 2004 23:30:00 -0400
I think if you have a crystal lying around for a number of years, there
is a chance of the aging causing the resonant frequency to drift off of
the original tolerance. Best to use a crystal manufactured recently.
Gary McCartney
McCartney Electronics
Guelph Ontario Canada
Est. 1984
email: gary (at) number63.ca
Jim Myers wrote:
> I keep a couple of 3.58 crystals in my drawer and swap them out when I
> suspect a bad one. I find that a 3.58 crystal is a 3.58 crystal and one
> will work in any chassis. There may be exceptions but I haven't run into
> one yet. Also more often than not it is the jungle IC that is bad
> instead of the crystal. I'd be going back with a crystal, an IC and my
> scope if I were you.
> *******************************************************************************************************************
> Since 1972
> Jim Myers
> Telrad Electronics
> Fort Wayne, Indiana
>
>
> Gemini Computer & TV wrote:
>
>>I have a Hitachi 31DX10B that has no color and it appears as though X501
>>(3.58Mhz crystal) may be the culprit. The Hitachi part # is 2791505 and it
>>is NLA. Does anyone have one on their shelf? If not, do you think I can get
>>away with using something else? I have been down this road before with other
>>sets in the past and had to use the OEM crystal to restore my chroma. The
>>set is at the customer's home and I did not have a scope with me during the
>>service call. I am not going back unarmed.
>>
>>Bob Waterman, CET® #RI-28
>>Master Technician License #9109
>>Service Manager / Parts Manager
>>Gemini Computer, TV, & Security Alarms
>>(508)695-7302
>>(508)695-7769 FAX
>>geminitv@xxxxxxxxxxx
>>geminitv@xxxxxxx
>>www.geminicomputertvsecurityalarms.com
>>
>>
>>
>>-----------------------------------------------------------------------------
>>Lost Password:
>>http://www.tech-assist.org and select "Login Problems?".
>>Email Archives:
>>//www.freelists.org/archives/techassist/
>>
>
>
> -----------------------------------------------------------------------------
> Lost Password:
> http://www.tech-assist.org and select "Login Problems?".
> Email Archives:
> //www.freelists.org/archives/techassist/
>
-----------------------------------------------------------------------------
Lost Password:
http://www.tech-assist.org and select "Login Problems?".
Email Archives:
//www.freelists.org/archives/techassist/
Other related posts:
