Sega Tera Drive: Difference between revisions

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== Original Parts ==
== Original Parts ==
=== Main PCB ===
=== Motherboard ===


{| class="wikitable sortable"
{| class="wikitable sortable"
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==Replacement Parts==
==Replacement Parts==
=== Main PCB ===
=== Motherboard ===
{| class="wikitable sortable"
{| class="wikitable sortable"
|+Capacitors
|+Capacitors
Line 190: Line 190:
! Compatible Part Number
! Compatible Part Number
! Order Links
! Order Links
|-
|C1, C2, C3, C5, C8, C10, C12, C13, C14, C15, C17, C19, C24, C26, C30, C31, C32, C33, C36, C37, C38, C40, C41, C43, C45, C48, C49, C54, C57
|29
|Wurth Elektronik 860020372003
|[https://mou.sr/3Bt3sP2 Mouser]
|-
|C6, C9, C16, C23
|4
|Wurth Elektronik 860020374012
|[https://mou.sr/4exOPZB Mouser]
|-
|C7, C21, C51, C52, C58
|5
|Wurth Elektronik 860020372006
|[https://mou.sr/4eouXbb Mouser]
|-
|C46, C47, C55, C56
|4
|Wurth Elektronik 860020372004
|[https://mou.sr/3TXE5LO Mouser]
|-
|C53, C60
|2
|Wurth Elektronik 860020373010
|[https://mou.sr/3XS8eNH Mouser]
|-
|C4, C18, C22, C28, C29, C34, C35, C42, C50, C59
|10
|Wurth Elektronik 860020372001
|[https://mou.sr/3zJEyKF Mouser]
|-
|C27, C44
|2
|Wurth Elektronik 860020372002
|[https://mou.sr/3zDHOY1 Mouser]
|-
|C20, C23
|2
|Wurth Elektronik 860020672006
|[https://mou.sr/4dDQgV5 Mouser]
|-
|C39
|1
|Wurth Elektronik 860020672007
|[https://mou.sr/3XTzbR2 Mouser]
|-
|-
|
| colspan="3" |'''Full BOM'''
|
|[https://www.mouser.com/ProjectManager/ProjectDetail.aspx?AccessID=078787ce49 Mouser]
|
|[https://www.digikey.com/ Digikey]
|}
|}
''If parts are not available or different selection is preferred, you can use the values in the [[#Original_Parts|Original Parts]] section to perform a parametric search.''
''If parts are not available or different selection is preferred, you can use the values in the [[#Original_Parts|Original Parts]] section to perform a parametric search.''

Revision as of 00:39, 7 October 2024

For more information, see this article's corresponding Wikipedia page: TeraDrive.
Sega Tera Drive
Preliminary Information
Release Year 1991
Leak Risk High
Batteries None
Capacitor Types Through Hole
Destructive Entry No


Known Issues

Video Glitching / Unable To Maintain Horizontal Refresh

Causes

  • Out-of-spec capacitors

Solutions

  • Replace capacitors

Noisy Mega Drive Graphics

Causes

  • Bad PCB Design
  • Low quality custom chips

Solutions

  • None yet. The Mega Drive Triple Bypass needs to be adapted for this system.

Disassembly Notes

The board is somewhat tricky to get out the first time you try. Also, the front face plate requires an unreasonable amount of force to remove, and must be done carefully to avoid breaking the tabs.

Original Parts

Motherboard

Capacitor Specifications and Footprint Information
RefDes Qty Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C1, C2, C3, C5, C8, C10, C12, C13, C14, C15, C17, C19, C24, C26, C30, C31, C32, C33, C36, C37, C38, C40, C41, C43, C45, C48, C49, C54, C57 29 33 µF 16 V Through Hole 5 mm 8 mm 5 mm 85 °C Aluminum Electrolytic Panasonic/Matsushita KA
C6, C9, C16, C23 4 470 µF 16 V Through Hole 10 mm 10 mm 5 mm 85 °C Aluminum Electrolytic Nichicon RS(M)
C7, C21, C51, C52, C58 5 100 µF 16 V Through Hole 8 mm 7 mm 5 mm 85 °C Aluminum Electrolytic Nichicon "H049" code
C46, C47, C55, C56 4 47 µF 16 V Through Hole 6 mm 7 mm 5 mm 85 °C Aluminum Electrolytic Nichicon "A107" code
C53, C60 2 220 µF 16 V Through Hole 8 mm 10 mm 5 mm 85 °C Aluminum Electrolytic Nichicon RS(M)
C4, C18, C22, C28, C29, C34, C35, C42, C50, C59 10 10 µF 16 V Through Hole 5 mm 7 mm 5 mm 85 °C Aluminum Electrolytic Nichicon "A113" code
C27, C44 2 22 µF 16 V Through Hole 5 mm 7 mm 5 mm 85 °C Aluminum Electrolytic Nichicon "A104" code
C20, C23 2 2.2 µF 50 V Through Hole 4 mm 8 mm 5 mm 85 °C Aluminum Electrolytic Panasonic/Matsushita KA
C39 1 3.3 µF 50 V Through Hole 4 mm 8 mm 5 mm 85 °C Aluminum Electrolytic Panasonic/Matsushita KA

Replacement Parts

Motherboard

Capacitors
RefDes Qty Compatible Part Number Order Links
C1, C2, C3, C5, C8, C10, C12, C13, C14, C15, C17, C19, C24, C26, C30, C31, C32, C33, C36, C37, C38, C40, C41, C43, C45, C48, C49, C54, C57 29 Wurth Elektronik 860020372003 Mouser
C6, C9, C16, C23 4 Wurth Elektronik 860020374012 Mouser
C7, C21, C51, C52, C58 5 Wurth Elektronik 860020372006 Mouser
C46, C47, C55, C56 4 Wurth Elektronik 860020372004 Mouser
C53, C60 2 Wurth Elektronik 860020373010 Mouser
C4, C18, C22, C28, C29, C34, C35, C42, C50, C59 10 Wurth Elektronik 860020372001 Mouser
C27, C44 2 Wurth Elektronik 860020372002 Mouser
C20, C23 2 Wurth Elektronik 860020672006 Mouser
C39 1 Wurth Elektronik 860020672007 Mouser
Full BOM Mouser

If parts are not available or different selection is preferred, you can use the values in the Original Parts section to perform a parametric search.

Related Links

References