Macintosh 128K

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

Macintosh 128K

Preliminary Information
Release Year	1984
Batteries	Yes
Mounting Technology	Through Hole (Analog Board and Logic Board)
Hardware Specifications
Storage	single sided 3 1⁄2 inch floppy disk drive
CRT Guides
General Information · Repair Cautions

The original Macintosh, later rebadged as the Macintosh 128K, was sold by Apple Computer from January 1984 to September 1985.

Original Parts

630-0101 Logic Board

Capacitor Specifications and Footprint Information

RefDes	Qty	Capacitance (µF)	Voltage (V)	Mount	Size	Type	Brand
C5, C20	2	33	16	Through-Hole		Aluminum Electrolytic, Axial	Nippon Chemi-Con
C22	1	4.7	35	Through-Hole		Aluminum Electrolytic, Axial	Nippon Chemi-Con

630-1012 Analog Board US VERSION

*Note: C1 is highly likely to fail*

Capacitor Specifications and Footprint Information

RefDes	Qty	Capacitance	Voltage	Mount	Diameter/Size	Height	Lead Spacing	Temp	Type	Brand	Series
C1	1	3.9 µF	100 V	Through Hole Radial				85 °C	Aluminum Electrolytic		Standard
C2	1	4700 µF	16 V	Through Hole Radial				85 °C	Aluminum Electrolytic		Standard
C3, C30	1	220 µF	16 V	Through Hole Radial				105	Aluminum Electrolytic		Low ESR
C4, C40	2	33 nF	400 V	Through Hole Radial					Metallized Film
C5	1	47 µF	10 V	Through Hole Radial				85	Aluminum Electrolytic		Standard
C6, C14	2	22 µF	50 V	Through Hole Radial				85	Aluminum Electrolytic		Standard
C7, C8	2	10nF	1000 V	Through Hole Radial					Ceramic Disc
C9	1	10 µF	160 V	Through Hole Radial/Axial				85	Aluminum Electrolytic		Standard
C10	1	220 nF	100 V	Through Hole Radial					Metallized Polyester
C11, C13	2	33 µF	16 V	Through Hole Radial				105	Aluminum Electrolytic		Low ESR
C12, C19, C20, C41	4	10 nF	400 V	Through Hole Radial					Metallized Polyester
C15, C16, C17	3	10 nF	1500 V	Through Hole Radial					Ceramic Disc
C18, C22, C23, C28	4	0.1 µF	50 V	Through Hole Axial					Encapsulated Ceramic
C21, C42	2	0.1 µF	100 V	Through Hole Radial					Metallized Polyester
C24, C29	2	2200 µF	10 V	Through Hole Radial				105	Aluminum Electrolytic		Low ESR
C25, C26, C31	3	1000 µF	16 V	Through Hole Radial				105	Aluminum Electrolytic		105 Deg Standard
C27	1	22 nF	400 V	Through Hole Radial					Metallized Polyester
C33, C37	2	4.7nF	400 V	Through Hole Radial					Film or Ceramic
C35, C36	2	100 µF	250 V	Through Hole Radial				85	Aluminum Electrolytic		Standard
C38	1	0.1 µF	250 V	Through Hole Radial					Film or Ceramic
C39	1	470 µF	10 V	Through Hole Radial				85	Aluminum Electrolytic		Standard
C43	1	470 µF	16 V	Through Hole Radial				85	Aluminum Electrolytic		Standard

Analog Board capacitor specifications copied from this spreadsheet

Replacement Parts

630-0101 Logic Board

Capacitors

RefDes	Qty	Compatible Part Number	Order Links
C5, C20	2	336TTA025M / 336TTA050M	Digikey Mouser
C22	1	475TTA050M	DigiKey Mouser

630-1012 Analog Board US Version

Capacitors

RefDes	Qty	Compatible Part Number	Order Links
C1	1	ECW-FD2W395K	DigiKey Mouser
C2	1	16PK4700MEFC12.5X25 / ESK478M025AM2AA	DigiKey Mouser
C3, C30	1	860240475007	DigiKey Mouser
C4, C40	2	333MMR400K / 333MSR630K	DigiKey Mouser
C5	1	860010272003	DigiKey Mouser
C6, C14	2	860020672011	DigiKey Mouser
C7, C8	2	S103M47Z5UN63J7R / CK45-E3DD103ZYVNA	DigiKey Mouser
C9	1	UVR2C100MPD	DigiKey Mouser
C10	1	223MMR630K	DigiKey Mouser
C11, C13	2	860080572001	DigiKey Mouser
C12, C19, C20, C41	4	103MMR630K	DigiKey Mouser
C15, C16, C17	3	CK45-E3DD103ZYGNA / CK45-E3DD103ZYVNA	DigiKey Mouser
C18, C22, C23, C28	4	C410C103K5R5TA / YV101103Z060HAND5P	DigiKey Mouser
C21, C42	2	ECQ-E2103KF / MKS2G021001A00MSSD	DigiKey Mouser
C24, C29	2	UPW1V222MHD	DigiKey Mouser
C25, C26, C31	3	860240580011	DigiKey Mouser
C27	1	223MMR630K	DigiKey Mouser
C33, C37	2	C971U472MVWDBA7317	DigiKey Mouser
C35, C36	2	EKXJ251ELL101ML20S	DigiKey Mouser
C38	1	C981U103MZVDBA7317	DigiKey Mouser
C39	1	860010273011	DigiKey Mouser
C43	1	860020374012	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.

Kits

• Digikey BOM: https://www.digikey.com/

Related Links

Macintosh 128K-Plus Analog Board Recapping Walkthrough Video