Atari SC1224: Difference between revisions

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|Destructive Entry = Cutting silicone on neck socket
|Destructive Entry = Cutting silicone on neck socket
}}
}}
The SC1224 is a lower resolution color monitor for the Atari ST line of computers. "SC1224" was more of a feature set designation than an actual model though because there were multiple versions of the display made by different manufactures. So be sure that the one you may be working on is the same as what may be listed here.
The SC1224 is a lower resolution color monitor for the Atari ST line of computers. "SC1224" was more of a feature set designation than an actual model though because there were multiple versions of the display made by different manufactures. So be sure that the one you may be working on is the same as what may be listed here.
==Known Issues==
==Known Issues==
===Black Screen===
===Black Screen===
====Causes====
====Causes====
Line 19: Line 16:
====Solutions====
====Solutions====
*recap
*recap
==Disassembly Notes==
==Disassembly Notes==
CRT neck is glued with silicone to the socket. Cutting it and pulling it out will let you remove it but there are still wires soldered directly to the board. - [[Disassembly:Atari SC1224#Neck Board Removal|More info]]  
CRT neck is glued with silicone to the socket. Cutting it and pulling it out will let you remove it but there are still wires soldered directly to the board. - [[Disassembly:Atari SC1224#Neck Board Removal|More info]]
 
==Original Parts==
==Original Parts==
=== Gold Star CRT Neck Board ===
=== Gold Star CRT Neck Board ===
''Gold Star, P/N 111-705A, 94V-0, GSEP-2112''
''Gold Star, P/N 111-705A, 94V-0, GSEP-2112''
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
!RefDes
!RefDes
!Qty
!Qty
Line 49: Line 43:
|Aluminum Electrolytic
|Aluminum Electrolytic
|Korea Chemi-con
|Korea Chemi-con
|M / SM ?
|[[Capacitor Series#SM|SM]] ?
|-
|-
|C504, C506
|C504, C506
Line 60: Line 54:
|Aluminum Electrolytic
|Aluminum Electrolytic
|Korea Chemi-con
|Korea Chemi-con
|M / SM ?
|[[Capacitor Series#SM|SM]] ?
|-
|-
|C511
|C511
Line 71: Line 65:
|Aluminum Electrolytic
|Aluminum Electrolytic
|Korea Chemi-con
|Korea Chemi-con
|M / SM ?
|[[Capacitor Series#SM|SM]] ?
|-
|-
|C501
|C501
Line 81: Line 75:
|85C
|85C
|Aluminum Electrolytic
|Aluminum Electrolytic
|Samhwa
|Samwha
|[[Capacitor Series#SA/SR|SA]]
|[[Capacitor Series#SA/SR|SA]]
|}
|}
===Gold Star Power Supply===
===Gold Star Power Supply===
''Gold Star, P/N'' ''111-694A, 94V-0, GSEP-2112''
''Gold Star, P/N'' ''111-694A, 94V-0, GSEP-2112''
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
|+Capacitor [[Capacitor Specifications|Specifications]] and [[Part Footprints|Footprint]] Information
!RefDes
!RefDes
!Qty
!Qty
Line 95: Line 88:
![https://caps.wiki/wiki/Part_Footprints Mount]
![https://caps.wiki/wiki/Part_Footprints Mount]
!Diameter/Size
!Diameter/Size
!Height
!Lead Spacing
!Temp
!Temp
![https://caps.wiki/wiki/Capacitor_Types Type]
![https://caps.wiki/wiki/Capacitor_Types Type]
Line 106: Line 101:
|Through Hole Radial
|Through Hole Radial
|30mm
|30mm
|40mm
|10mm
|105C
|105C
|Aluminum Electrolytic
|Aluminum Electrolytic
|Ace
|Panasonic
|M / TS NH ?
|[[Capacitor Series#TS-NH|TS-NH]]
|-
|-
|C942, C943
|C942, C943
Line 117: Line 114:
|Through Hole Radial
|Through Hole Radial
|16mm
|16mm
|
|
|85C
|85C
|Aluminum Electrolytic
|Aluminum Electrolytic
|Samyoung
|Samyoung
|M / SM
|[[Capacitor Series#SM 2|SM]]
|-
|-
|C906, C931
|C906, C931
Line 128: Line 127:
|Through Hole Radial
|Through Hole Radial
|10mm
|10mm
|
|
|85C
|85C
|Aluminum Electrolytic
|Aluminum Electrolytic
|Samyoung
|Samyoung
|M / SM
|[[Capacitor Series#SM 2|SM]]
|-
|-
|C941
|C941
Line 139: Line 140:
|Through Hole Radial
|Through Hole Radial
|16mm
|16mm
|
|
|85C
|85C
|Aluminum Electrolytic
|Aluminum Electrolytic
|Samhwa
|Samwha
|HR
|HR ?
|-
|-
|C923
|C923
Line 150: Line 153:
|Through Hole Radial
|Through Hole Radial
|5mm
|5mm
|
|
|85C
|85C
|Aluminum Electrolytic
|Aluminum Electrolytic
|Samyoung
|Samyoung
|M / SM
|[[Capacitor Series#SM 2|SM]]
|-
|-
|C912
|C912
Line 161: Line 166:
|Through Hole Radial
|Through Hole Radial
|5mm
|5mm
|
|
|85C
|85C
|Aluminum Electrolytic
|Aluminum Electrolytic
|Samyoung
|Samyoung
|M / SM
|[[Capacitor Series#SM 2|SM]]
|-
|-
|C913
|C913
Line 171: Line 178:
|10V
|10V
|Through Hole Radial
|Through Hole Radial
|6mm
|6.3mm
|
|
|85C
|85C
|Aluminum Electrolytic
|Aluminum Electrolytic
|Samyoung
|Samyoung
|M / SM
|[[Capacitor Series#SM 2|SM]]
|}
|}
== Replacement Parts ==
== Replacement Parts ==
=== Gold Star CRT Neck Board ===
=== Gold Star CRT Neck Board ===
The parts picked here are all higher temp capacitors which are [[CRT#Neck Board|highly recommended]] when replacing neck board caps due to the proximity to the cathode heater.
The parts picked here are all higher temp capacitors which are [[CRT#Neck Board|highly recommended]] when replacing neck board caps due to the proximity to the cathode heater.
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitors
|+Capacitors (Discontinued/End of Life)
!RefDes
!RefDes
!Qty
!Qty
!Compatible Part Number
!Compatible Part Number
! colspan="2" |Order Links
! colspan="3" |Order Links
|-
|-
|C514, C513, C512
|C514, C513, C512
Line 194: Line 201:
|[https://www.digikey.com/en/products/detail/nichicon/UPS2C010MED1TD/3129720 Digikey]
|[https://www.digikey.com/en/products/detail/nichicon/UPS2C010MED1TD/3129720 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDa4ArAOwCcCAuoQA4AuUIAyiwE4CWAdgHMQAX0IAmAAwwaiECkgYcBYmXAACAK0AxEIxCt2AVX68WAeVQBZXOmwBXbrlETJtOYcggTZyzbuOzoT27ABqIIQAtgLsYHCSESCR6AAe7OJSLiAAtOJyCjz2KiSQ5BR6IpVAA 🔎]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDa4ArAOwCcCAuoQA4AuUIAyiwE4CWAdgHMQAX0IAmAAwwaiECkgYcBYmXAACAK0AxEIxCt2AVX68WAeVQBZXOmwBXbrlETJtOYcggTZyzbuOzoT27ABqIIQAtgLsYHCSESCR6AAe7OJSLiAAtOJyCjz2KiSQ5BR6IpVAA 🔎]
|[https://www.mouser.com/ProductDetail/Nichicon/UPS2C010MED?qs=KoqKc%2FPYl4XENkH8RClqWQ%3D%3D Mouser]
|-
|-
|C504, C506, C501
|C504, C506, C501
Line 200: Line 208:
|[https://www.digikey.com/en/products/detail/nichicon/UPS1C100MDD/2599915 Digikey]
|[https://www.digikey.com/en/products/detail/nichicon/UPS1C100MDD/2599915 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDa4AzABwAMVIAuoQA4AuUIAyqwE4CWAOwDmIAL6EA7ACYArIhApIGHAWJkQcKmBgUQhbTUO7CUsBRowITEGw7d%2BwsSYsBOeYuV5CJSOTA0AAgBWgDFGFnZIEABVAT5WAHlUAFlcdGwAVx5cJxApGgk3aBtImLjElLTM7L0QDI4ANVqAW0EOMARCZvQADw4pKVyAWkHixV4M1R9yOQZReaA 🔎]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDa4AzABwAMVIAuoQA4AuUIAyqwE4CWAOwDmIAL6EA7ACYArIhApIGHAWJkQcKmBgUQhbTUO7CUsBRowITEGw7d%2BwsSYsBOeYuV5CJSOTA0AAgBWgDFGFnZIEABVAT5WAHlUAFlcdGwAVx5cJxApGgk3aBtImLjElLTM7L0QDI4ANVqAW0EOMARCZvQADw4pKVyAWkHixV4M1R9yOQZReaA 🔎]
|[https://www.mouser.com/ProductDetail/Nichicon/UPS1C100MDD1TA?qs=GEqonpKUMUHrzgof%252BoMU8w%3D%3D Mouser]
|-
|-
|C511
|C511
Line 206: Line 215:
|[https://www.digikey.com/en/products/detail/nichicon/UCA2C100MPD1TD/3129101 Digikey]
|[https://www.digikey.com/en/products/detail/nichicon/UCA2C100MPD1TD/3129101 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDaIATGDAJwQC6hADgC5QgDKLATgJYB2AcxABfQnBqIQKSBhwFiZEDDBgAHDQDsIRiFbsufIaMKaKAViky5eQiUjl1YGnAohxaigAZJhCmrhVGHdKAGY4c1CIQmovOMsYmDivUJC4NWo1NIyYVN19SE4eAWExSi9aKzQsW0UHcC8AAgBWgDEdZjZCgFV%2BXhYAeVQAWVx0bABXblwTcs1JaD0ukF7%2BodHxqZnCCfYANRCAWwF2MDgvI-QAD3YKb1mAWjdFmR4JhXtyS3oRX6A 🔎]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDaIATGDAJwQC6hADgC5QgDKLATgJYB2AcxABfQnBqIQKSBhwFiZEDDBgAHDQDsIRiFbsufIaMKaKAViky5eQiUjl1YGnAohxaigAZJhCmrhVGHdKAGY4c1CIQmovOMsYmDivUJC4NWo1NIyYVN19SE4eAWExSi9aKzQsW0UHcC8AAgBWgDEdZjZCgFV%2BXhYAeVQAWVx0bABXblwTcs1JaD0ukF7%2BodHxqZnCCfYANRCAWwF2MDgvI-QAD3YKb1mAWjdFmR4JhXtyS3oRX6A 🔎]
|[https://www.mouser.com/ProductDetail/Nichicon/UCA2C100MPD1TD?qs=5VWgUag8BO0aghELkqRI0A%3D%3D Mouser]
|-
|-
| colspan="3" |'''Full BOM'''
| colspan="3" |'''Full BOM'''
| colspan="2" |[https://www.digikey.com/short/n4qdwt3z Digikey]
| colspan="2" |[https://www.digikey.com/short/n4qdwt3z Digikey]
|
|}
{| class="wikitable sortable"
|+Capacitors (Active)
!RefDes
!Qty
!Compatible Part Number
! colspan="4" |Order Links
|-
|C514, C513, C512
|3
|860021373002 / 400YXA1MEFC6.3X11
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860021373002/5727117 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDa4ArAOwCcCAuoQA4AuUIAyiwE4CWAdgHMQAX0IAmAAwwaiECkgYcBYmXAACAK0AxEIxCt2AVX68WAeVQBZXOmwBXbrlETJtOYcggTZyzbuOzoT27ABqIIQAtgLsYHCSESCR6AAe7OJSLiAAtOJyCjz2KiSQ5BR6IpVAA 🔎]
|[https://www.mouser.com/ProductDetail/Wurth-Elektronik/860021373002?qs=0KOYDY2FL28tNXbPyU6hsg%3D%3D Mouser]
|[https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-400YXA1MEFC6-3X11_C338206.html LCSC]
|-
|C504, C506, C501
|3
|860020372001 / 50PX10MEFC5X11
|[https://www.digikey.com/en/products/detail/w%C3%BCrth-elektronik/860020372001/5727025 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDa4AzABwAMVIAuoQA4AuUIAyqwE4CWAOwDmIAL6EA7ACYArIhApIGHAWJkQcKmBgUQhbTUO7CUsBRowITEGw7d%2BwsSYsBOeYuV5CJSOTA0AAgBWgDFGFnZIEABVAT5WAHlUAFlcdGwAVx5cJxApGgk3aBtImLjElLTM7L0QDI4ANVqAW0EOMARCZvQADw4pKVyAWkHixV4M1R9yOQZReaA 🔎]
|[https://www.mouser.com/ProductDetail/Wurth-Elektronik/860020372001?qs=0KOYDY2FL29%252BVViR3Jk7LQ%3D%3D Mouser]
|[https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-50PX10MEFC5X11_C88833.html LCSC]
|-
|C511
|1
|UVY2C100MPD1TD / 200CGX10MEFC8X11.5
|[https://www.digikey.com/en/products/detail/nichicon/UVY2C100MPD1TD/4329161 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDaIATGDAJwQC6hADgC5QgDKLATgJYB2AcxABfQnBqIQKSBhwFiZEDDBgAHDQDsIRiFbsufIaMKaKAViky5eQiUjl1YGnAohxaigAZJhCmrhVGHdKAGY4c1CIQmovOMsYmDivUJC4NWo1NIyYVN19SE4eAWExSi9aKzQsW0UHcC8AAgBWgDEdZjZCgFV%2BXhYAeVQAWVx0bABXblwTcs1JaD0ukF7%2BodHxqZnCCfYANRCAWwF2MDgvI-QAD3YKb1mAWjdFmR4JhXtyS3oRX6A 🔎]
|[https://www.mouser.com/ProductDetail/Nichicon/UVY2C100MPD?qs=xrHRiZ6CCZDCZpOW9XHCaQ%3D%3D Mouser]
|[https://www.lcsc.com/product-detail/Aluminum-Electrolytic-Capacitors-Leaded_Rubycon-200CGX10MEFC8X11-5_C338169.html LCSC]
|}
=== Gold Star Power Supply ===
{| class="wikitable sortable"
|+Capacitors
!RefDes
!Qty
!Compatible Part Number
! colspan="3" |Order Links
|-
|C904
|1
|EKMQ401VSN331MR35S
|[https://www.digikey.com/en/products/detail/united-chemi-con/EKMQ401VSN331MR35S/758219 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDaIMArAEzUAcIAuoQA4AuUIAymwE4CWAOwDmIAL6EwlAAzTEIFJAw4CxMiEpUAnJRCEaYOAGY9G6TJimYdaQHZdhGLbi2tTVh0jc%2BQ0RJDU0jBu0ApoWHiEJJDkRkbSAAQArQBi7iDsnACqgvxsAPKoALK46NgArry44oSBrvKZXjl5hSVlldWE5ZwAaqYAtkKc1DI1IAC01PKKfOWq0eS6jGIrQA 🔎]
|[https://www.mouser.com/ProductDetail/United-Chemi-Con/EKMQ401VSN331MR35S?qs=zAW8lnGXcWf7JOo2ehiuKA%3D%3D Mouser]
|-
|C942, C943
|2
|UBT1V102MHD1TN
|[https://www.digikey.com/en/products/detail/nichicon/UBT1V102MHD1TN/2650344 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDaIATAJwCsA7AgLqEAOALlCAMpsBOAlgDsA5iAC%2BhOFUQgUkDDgLEyIGGDAAOKnRDMQ7TjwEjxhCjQoy5CvIRKRyFMBRh0NIM85gBmGB8peVJZmMNQUCCHUmrqsHJDcfEKiEpQADDDS0LJoWLbKDuCpRQAEAK0AYjH6cSAAqoL8bADyqACyuOjYAK68uKZpdJmgBvH1jS3tnT19hF2cAGr%2BALZCnObL6AAenDSp-QC0lllyfF1K9uQ0umIpCFn8ACac%2B2CpELGc-mwAnix98Z0UDcgA 🔎]
|
|-
|C906, C931
|2
|UPJ1H101MPD6
|[https://www.digikey.com/en/products/detail/nichicon/UPJ1H101MPD6/2599168 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoKwExVAYygMwIYBsDOBTANCAPZQDaIAzABxVwDsMIAuoQA4AuUIAyuwE4BLAHYBzEAF9CANgCciECkgYcBYmRAAWMGCoy6zNp0g9%2BwsZJAwADFXmLleQiUjkwFOloMgOXXoNEShHRwjNAKaFiOai4gcBRSMBQQhGAaVukUINJUqZks3kYm-uaEcFYacmH2karOrukABACtAGJePsYAqkIC7ADyqACyuOjYAK58uIGxVnSVoB0g3b0Dw6MTU4RjXABqWSAAtsJc1vsH6AAeXGDp%2B9UqTmRMFgC0CFVQ-GO16oyEcs9xOIgA 🔎]
|
|-
|C941
|1
|UPJ2C470MHD
|[https://www.digikey.com/en/products/detail/nichicon/UPJ2C470MHD/2599395 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcpgbFoDGUBmBDANgZwKYBoQB7KAbRAGYBOAJnOoAYQBdAgBwBcoQBldgJwCWAOwDmIAL4EALPGghkkdNnxFSIapQCsAdngsQHLr0GiJBTdQTzUmXAWKQy5ABzPq2zczadIPfsLFJEFhKKwUlO1VHECkwMGdKbS8DHz8TQIJqCzCbZXs1ajBqKXIpZMNfYwCzcEoEnMVbFQcyRn0KtOqghilQuXCm-OipbQACAFaAMXLUgFUhAXYAeRQAWRw0LABXPhwahm0%2BpFzIlvBYelGANRBM%2BkubzM0Hma55xZX1zZ29oIBaSz9KD8LbNNSeJjiIKyUACAAmXD%2BYHoEG8XFuIHYAE9WHtfJtkFCgA 🔎]
|
|-
|C923
|1
|UVZ1A470MDD
|[https://www.digikey.com/en/products/detail/nichicon/UVZ1A470MDD/589006 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcoCwGxVAYygMwIYBsDOBTANCAPZQDa4AzABwAMVIAuoQA4AuUIAyqwE4CWAOwDmIAL6EArACZEIFJAw4CxMiGpUpAdgmMW7SF16CR4kHACcs%2BYryESkcjDBgq5zbpBsO3fsLGEpGhhLaDk0LFsVBxAYTQACAFaAMQ8vAwBVAT5WAHlUAFlcdGwAVx5cfxBAzRDQNJBM7LzC4rKKwhKOADUQQgBbQQ4wGl6QPvQADw5AyoBaGVD5XhLle3IdQksGUR2gA 🔎]
|
|-
|C912
|1
|50YXJ10M5X11
|[https://www.digikey.com/en/products/detail/rubycon/50YXJ10M5X11/3562914 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcpgbFoDGUBmBDANgZwKYBoQB7KAbRAGYBOAJnOoAYQBdAgBwBcoQBldgJwCWAOwDmIAL4EALPGghkkdNnxFS4cgA56G5m06Qe-YWMkgArNQTzUmXAWKQymjdQDsZ3SA5deg0RIJYSisFJTtVRxApMDANSldPbwNfYwDzbRCbZXs1SikGEAINKTjE-UM-EwIGKWC5UNsVBzIwegACAFaAMTKuAFUhAXYAeRQAWRw0LABXPhw0hlc60CSQAaHRianZ%2BYJprgA1QpAAW2EuM0YCE7QADy5WxlMAWkt6qH5pprUPAmCmcSmWSgAQAEy4z1aED0XGO7AAnqx5gYpshAUA 🔎]
|
|-
|C913
|1
|UPJ1A101MED
|[https://www.digikey.com/en/products/detail/nichicon/UPJ1A101MED/2599033 Digikey]
|[https://www.digikey.com/en/products/filter/aluminum-electrolytic-capacitors/58?s=N4IgjCBcpgbFoDGUBmBDANgZwKYBoQB7KAbRAGYBOAJnOoAYQBdAgBwBcoQBldgJwCWAOwDmIAL4EALPGghkkdNnxFS4AKwB2SvBYgOXXoNESC66gnmpMuAsUhlyADifVN65m06Qe-YWMkQWEpLBSVbVQcQKTAwJ0pNT31vX2MAs3onUOtlOzVKKQYkgx8jf1MQBikQuTCbFXsyMHp6AAIAVoAxYpSAVSEBdgB5FABZHDQsAFc%2BHAqGbUsSkH7BkfHJmbmCKa4ANRACAFthLmbDkCO0AA8uIsCAWgtaqH4phrUPAhCmcUDZUACAAmXAezQgXi4F3YAE9WHMfJNkH8gA 🔎]
|
|-
! colspan="3" |'''Full BOM'''
| colspan="2" |[https://www.digikey.com/short/2rvqtr12 Digikey]
|
|}
|}
==References==
==References==
<references />
<references />
Line 216: Line 318:
[[Category:Computer Monitor]]
[[Category:Computer Monitor]]
[[Category:1980s]]
[[Category:1980s]]
[[Category:WorkNeeded:ReplacementParts]]
[[Category: Atari]]

Latest revision as of 00:11, 24 March 2023

Atari SC1224
Preliminary Information
Release Year 1986
Leak Risk Medium
Batteries None
Mounting Technology Through Hole
Capacitor Types Aluminum Electrolytic, Tantalum, Ceramic
Destructive Entry Cutting silicone on neck socket
CRT Guides
General Information · Repair Cautions

The SC1224 is a lower resolution color monitor for the Atari ST line of computers. "SC1224" was more of a feature set designation than an actual model though because there were multiple versions of the display made by different manufactures. So be sure that the one you may be working on is the same as what may be listed here.

Known Issues

Black Screen

Causes

  • Suspected cap failures on neck board

Solutions

  • recap

Disassembly Notes

CRT neck is glued with silicone to the socket. Cutting it and pulling it out will let you remove it but there are still wires soldered directly to the board. - More info

Original Parts

Gold Star CRT Neck Board

Gold Star, P/N 111-705A, 94V-0, GSEP-2112

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Temp Type Brand Series
C514, C513, C512 3 1uF 160V Through Hole Radial 6.3mm 85C Aluminum Electrolytic Korea Chemi-con SM ?
C504, C506 2 10uF 16V Through Hole Radial 5mm 85C Aluminum Electrolytic Korea Chemi-con SM ?
C511 1 10uF 160V Through Hole Radial 10mm 85C Aluminum Electrolytic Korea Chemi-con SM ?
C501 1 10uF 16V Through Hole Radial 5mm 85C Aluminum Electrolytic Samwha SA

Gold Star Power Supply

Gold Star, P/N 111-694A, 94V-0, GSEP-2112

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C904 1 330uF 250V Through Hole Radial 30mm 40mm 10mm 105C Aluminum Electrolytic Panasonic TS-NH
C942, C943 2 1000uF 25V Through Hole Radial 16mm 85C Aluminum Electrolytic Samyoung SM
C906, C931 2 100uF 50V Through Hole Radial 10mm 85C Aluminum Electrolytic Samyoung SM
C941 1 47uF 160V Through Hole Radial 16mm 85C Aluminum Electrolytic Samwha HR ?
C923 1 47uF 10V Through Hole Radial 5mm 85C Aluminum Electrolytic Samyoung SM
C912 1 10uF 50V Through Hole Radial 5mm 85C Aluminum Electrolytic Samyoung SM
C913 1 100uF 10V Through Hole Radial 6.3mm 85C Aluminum Electrolytic Samyoung SM

Replacement Parts

Gold Star CRT Neck Board

The parts picked here are all higher temp capacitors which are highly recommended when replacing neck board caps due to the proximity to the cathode heater.

Capacitors (Discontinued/End of Life)
RefDes Qty Compatible Part Number Order Links
C514, C513, C512 3 UPS2C010MED1TD Digikey 🔎 Mouser
C504, C506, C501 3 UPS1C100MDD Digikey 🔎 Mouser
C511 1 UCA2C100MPD1TD Digikey 🔎 Mouser
Full BOM Digikey
Capacitors (Active)
RefDes Qty Compatible Part Number Order Links
C514, C513, C512 3 860021373002 / 400YXA1MEFC6.3X11 Digikey 🔎 Mouser LCSC
C504, C506, C501 3 860020372001 / 50PX10MEFC5X11 Digikey 🔎 Mouser LCSC
C511 1 UVY2C100MPD1TD / 200CGX10MEFC8X11.5 Digikey 🔎 Mouser LCSC

Gold Star Power Supply

Capacitors
RefDes Qty Compatible Part Number Order Links
C904 1 EKMQ401VSN331MR35S Digikey 🔎 Mouser
C942, C943 2 UBT1V102MHD1TN Digikey 🔎
C906, C931 2 UPJ1H101MPD6 Digikey 🔎
C941 1 UPJ2C470MHD Digikey 🔎
C923 1 UVZ1A470MDD Digikey 🔎
C912 1 50YXJ10M5X11 Digikey 🔎
C913 1 UPJ1A101MED Digikey 🔎
Full BOM Digikey

References

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