Mac Classic II: Difference between revisions

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(Created page with " {{InfoboxDevice |Picture =MacClassicii-badvideo.png |Release Year = 1991 |Mounting Technology = Through Hole, SMD, Sockets |Capacitor Types = Aluminum Electrolytic |Leak Risk = High |Batteries = Removable |Destructive Entry = No }} The Apple Mac Classic II was towards the end of the line for the Compact Macs. ==Known Issues== *Vertical bars on power on **Leaking capacitors on logic board ***Solution: Recap logic board ==Disassembly Notes== Top screws in handle are...")
 
 
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{{WikipediaInfoAlt|Macintosh Classic II}}
{{DeviceAlerts}}
{{InfoboxDevice
{{InfoboxDevice
|Picture =MacClassicii-badvideo.png  
|Picture =MacClassicii-badvideo.png  
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==Known Issues==
==Known Issues==


*Vertical bars on power on
=== Vertical bars on power on ===
**Leaking capacitors on logic board
***Solution: Recap logic board


==== Cause ====
*Leaking capacitors on logic board
<gallery>
File:MacClassicII-LeakingCap.png|alt=Visible leakage around the base of C4 which had previously been cleaned and continued to leak|Visible leakage around the base of C4 which had previously been cleaned and continued to leak
</gallery>
==== Solution ====
*Recap logic board
==Disassembly Notes==
==Disassembly Notes==
Top screws in handle area are extremely deep torx heads. There are dedicated tools available like the "Mac Cracker" that is just a torx driver with a long shaft.  
The screws that are used to hold the case together are Torx T15. You will need a driver with a long shaft (about 6" - 150mm) to reach the two screws under the handle.  These can be found on Amazon, eBay, and sometimes in hardware/automotive stores.  This tool is also sometimes known as a "Mac Cracker". The same tool is also used for the other compact Macs.
 
 
 
A 1/4" T15 screwdriver-bit with a slot ground in its back surface (for a long flat head screwdriver) works nicely for accessing the under-handle screws. Most standard (1/4") bitdrivers have too thick a collar to reach the handle screws. The tool shaft should be no bigger in diameter than 8mm (~5/16").
 
T15 screws can be turned, in an emergency, with a flat head screwdriver with a blade width of about 3mm (1/8").
 
 
Sometimes the case is difficult to open the first time as it is held together with a tight friction fit. You can usually use a wide flat object to gently pry the case open, being careful not to leave marks in the plastic.


==Replacement Parts==
==Replacement Parts==
Line 33: Line 49:
|2
|2
|293D105X9050B2TE3
|293D105X9050B2TE3
|[https://www.mouser.com/ProductDetail/74-293D105X9050B2TE3 Mouser]
|[https://www.digikey.com/en/products/detail/vishay-sprague/293D105X9050B2TE3/1578604?s=N4IgTCBcDa4JwGYAiBGADAVgBp02gQmACoCiCIAugL5A DigiKey] [https://www.mouser.com/ProductDetail/74-293D105X9050B2TE3 Mouser]
|-
|-
|C4, C3, C13
|C4, C3, C13
|3
|3
|UCJ1V470MCL1GS                                     
|UCJ1V470MCL1GS                                     
|[https://www.mouser.com/ProductDetail/Nichicon/UCJ1V470MCL1GS?qs=kArNe9LFxXmZKMrkrqxl1A%3D%3D Mouser]
|[https://www.digikey.com/en/products/detail/nichicon/UCJ1V470MCL1GS/2549762?s=N4IgTCBcDaIKoGEBSBGAagFgOwAYCyCAMigOIDKIAugL5A DigiKey][https://www.mouser.com/ProductDetail/Nichicon/UCJ1V470MCL1GS?qs=kArNe9LFxXmZKMrkrqxl1A%3D%3D Mouser]
|-
|-
|C8, C5, C11, C14, C12, C21, C79, C74, C106, C6, C7, C10
|C8, C5, C11, C14, C12, C21, C79, C74, C106, C6, C7, C10
|12
|12
|TAJB106K016TNJ                                     
|TAJB106K016TNJ                                     
|[https://www.mouser.com/ProductDetail/581-TAJB106K016TNJ Mouser]
|[https://www.digikey.com/en/products/detail/kyocera-avx/TAJB106K016TNJ/9948459?s=N4IgTCBcDaICoEEBSAhAjABgGwGkNqzgDkkQBdAXyA DigiKey] [https://www.mouser.com/ProductDetail/581-TAJB106K016TNJ Mouser]
|}
|}
''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.''
== Additional Images ==
<gallery>
File:Rev B top.jpg|Top side of motherboard (Rev B)
File:Rev B bottom.jpg|Bottom side of motherboard (Rev B)
</gallery>


==Related Links==
==Related Links==


*[https://www.youtube.com/watch?v=mEBjVW9TG2E Video replacing original capacitors with most solid replacements]
*[https://www.youtube.com/watch?v=mEBjVW9TG2E Video replacing original capacitors with most solid replacements]
*[https://everymac.com/systems/apple/mac_classic/specs/mac_classic_ii.html Apple Macintosh Classic II Specs]


==References==
==References==
<references />
<references />
[[Category:Computer]]
[[Category:1990s]]
[[Category:CRT]]
[[Category:WorkNeeded:OriginalParts]]
[[Category:Apple]]

Latest revision as of 14:51, 6 July 2022

For more information, see this article's corresponding Wikipedia page: Macintosh Classic II.
This device is in the WorkNeeded:OriginalParts category because it was flagged as missing information on the original parts. It may have replacement parts listed but those cannot be assumed to be identical to the originals. If you have a list of the original parts, please feel free to add them by copying the relevant table from EditorsToolbox:Tables
Mac Classic II
Preliminary Information
Release Year 1991
Leak Risk High
Batteries Removable
Mounting Technology Through Hole, SMD, Sockets
Capacitor Types Aluminum Electrolytic
Destructive Entry No
CRT Guides
General Information · Repair Cautions

The Apple Mac Classic II was towards the end of the line for the Compact Macs.

Known Issues

Vertical bars on power on

Cause

  • Leaking capacitors on logic board

Solution

  • Recap logic board

Disassembly Notes

The screws that are used to hold the case together are Torx T15. You will need a driver with a long shaft (about 6" - 150mm) to reach the two screws under the handle. These can be found on Amazon, eBay, and sometimes in hardware/automotive stores. This tool is also sometimes known as a "Mac Cracker". The same tool is also used for the other compact Macs.


A 1/4" T15 screwdriver-bit with a slot ground in its back surface (for a long flat head screwdriver) works nicely for accessing the under-handle screws. Most standard (1/4") bitdrivers have too thick a collar to reach the handle screws. The tool shaft should be no bigger in diameter than 8mm (~5/16").

T15 screws can be turned, in an emergency, with a flat head screwdriver with a blade width of about 3mm (1/8").


Sometimes the case is difficult to open the first time as it is held together with a tight friction fit. You can usually use a wide flat object to gently pry the case open, being careful not to leave marks in the plastic.

Replacement Parts

Logic Board

Alternative Partial Solid Capacitors
RefDes Qty Compatible Part Number Order Links
C15, C9 2 293D105X9050B2TE3 DigiKey Mouser
C4, C3, C13 3 UCJ1V470MCL1GS DigiKeyMouser
C8, C5, C11, C14, C12, C21, C79, C74, C106, C6, C7, C10 12 TAJB106K016TNJ DigiKey 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.

Additional Images

Related Links

References