Welcome, Guest. Please login or register.
Forums
« previous next »
Pages: [1]   Go Down

Author Topic: What is missing?  (Read 349 times)

Description:

0 Members and 1 Guest are viewing this topic.

Offline Banstyx5Topic starter

  • Newbie
  • *
  • Join Date: Jul 2015
  • Posts: 15
    • Show only replies by Banstyx5
What is missing?
« on: January 23, 2017, 06:57:21 PM »
So I have a A1200 board with no video and am gonna send it off, hopefully to be fixed. In an attempt to help diagnose the problem I noticed something. It would appear my board is missing something  



directly to the right of the IDE connector there is a silver piece with the following numbers on it
4.443619
NDK2X

What is it?

 I am wondering because it is missing on my board.
Logged
Ban
-----------
A1200, ACA-1221EC with RTC, Indivision 1200 AGA MK2cr, Prisma Megamix
 

Offline Banstyx5Topic starter

  • Newbie
  • *
  • Join Date: Jul 2015
  • Posts: 15
    • Show only replies by Banstyx5
Re: What is missing?
« Reply #1 on: January 23, 2017, 07:06:21 PM »
the first pic is a working board this pic is mine. You can see the spot where it should be.
Logged
Ban
-----------
A1200, ACA-1221EC with RTC, Indivision 1200 AGA MK2cr, Prisma Megamix
 

Offline Oldsmobile_Mike

Re: What is missing?
« Reply #2 on: January 23, 2017, 07:08:24 PM »
Just my .02 cents, try posting a photo of your actual board instead of a stock photo?

That component has been discussed before, I don't recall exactly but try checking with user Acill on this forum?  He should remember.  :D

Edit - nevermind, I see you added a photo of your board.
Logged
Amiga 500: 2MB Chip|16MB Fast|30MHz 68030+68882|3.9|Indivision ECS|GVP A500HD+|Mechware card reader + 8GB CF|Cocolino|SCSI DVD-RAM
Amiga 2000: 2MB Chip|136MB Fast|50MHz 68060|3.9|Indivision ECS + GVP Spectrum|Mechware card reader + 8GB CF|AD516|X-Surf 100|RapidRoad|Cocolino|SCSI CD-RW
 Amiga videos and other misc. stuff at https://www.youtube.com/CompTechMike/videos
 

Offline Rob

Re: What is missing?
« Reply #3 on: January 23, 2017, 07:26:07 PM »
Quote from: Banstyx5;820545
the first pic is a working board this pic is mine. You can see the spot where it should be.


It's an oscillator but I don't know it's particular function.  Searching for 4.433619 crystal should find a replacement.
Logged
 

Offline IanP

  • Full Member
  • ***
  • Join Date: Aug 2013
  • Posts: 132
    • Show only replies by IanP
Re: What is missing?
« Reply #4 on: January 23, 2017, 07:27:12 PM »
It's the difference between a PAL and an NTSC configured motherboard. Yours is NTSC the other one is PAL.

4.43361875 MHz (±5 Hz) is the Colour Subcarrier frequency for PAL-B/D/G/H/I/N.
« Last Edit: January 23, 2017, 07:35:29 PM by IanP »
Logged
 
Pages: [1]   Go Up
« previous next »