IMac G5 A1144: Difference between revisions

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(Completed the capacitor table (minus physical specs))
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|-
|-
|C5034
|C5034
|
|1000 µF
|
|16 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|Rubycon
|
|MCZ
|-
|-
|C5021
|C5021
|
|1000 µF
|
|16 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|Rubycon
|
|MCZ
|-
|-
|C5011
|C5011
|
|680 µF
|
|16 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|Panasonic
|
|FL
|-
|-
|C3303
|C3303
|
|120 µF
|
|16 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KY
|-
|-
|C5033
|C5033
|
|1800 µF
|
|6.3 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KZJ
|-
|-
|C5041
|C5041
|
|1800 µF
|
|6.3 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KZJ
|-
|-
|C5040
|C5040
|
|1800 µF
|
|6.3 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KZJ
|-
|-
|C5016
|C5032
|
|1800 µF
|
|6.3 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KZJ
|-
|-
|C5026
|C5042
|
|1800 µF
|
|6.3 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KZJ
|-
|-
|C5037
|C5039
|
|1800 µF
|
|6.3 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KZJ
|-
|-
|C5017
|C5043
|
|1800 µF
|
|6.3 v
|Through Hole
|
|
|
|
|Electrolytic
|
|
|-
|C5038
|
|
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KZJ
|-
|-
|C5028
|C5028
|
|1800 µF
|
|6.3 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KZJ
|-
|-
|C5032
|C5038
|
|1800 µF
|
|6.3 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KZJ
|-
|-
|C5043
|C5018
|
|1800 µF
|
|6.3 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KZJ
|-
|-
|C5042
|C5037
|
|1800 µF
|
|6.3 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KZJ
|-
|-
|C5039
|C5017
|
|1800 µF
|
|6.3 v
|Through Hole
|Through Hole
|
|
|
|
|
|
|
|105 °C
|Electrolytic
|Electrolytic
|
|United Chemi-Con
|
|KZJ
|}
|}
The markings for C5033 and C5041 will likely be obscured by the CPU foam. On this revision, C5033 is on the left and C5041 on the right
The markings for C5033 and C5041 will likely be obscured by the CPU foam. On this revision, C5033 is on the left and C5041 on the right

Revision as of 17:48, 21 October 2024

For more information, see this article's corresponding Wikipedia page: Device.
Apple iMac G5/1.9 17" (iSight) (A1144)
Preliminary Information
Release Year 2005
Leak Risk Medium
Batteries CR2032
Mounting Technology Though Hole, SMD
Capacitor Types Aluminum Electrolytic
Destructive Entry No

The Apple iMac G5/1.9 17" (iSight (A1144) was the final PowerPC based Macintosh released by Apple prior to the Intel transition.

Known Issues

Symptom or Problem Encountered

Upon power-on, mouse pointer is displayed along with spinning wheel. A repeating pattern of vertical lines is displayed on the screen.

Note: This particular unit's serial number, starting with W8, can include defective LCD screens, however, repair will be attempted as visibly bad components exist.

Observed Fault

Causes

  • Two visibly bad through hole capacitors identified on mainboard at positions C1309 and C8509.

Solutions

  • Replacements parts will be ordered and repair attempted after recording the state of the board. Due to other possible LCD failure, initial repair will include only the two visibly bad components.

Disassembly Notes

The iFixIt guide is essential when working on this machine. Disassembly is not difficult but there are many steps required. All capacitors are located on the underside of the board and cannot be inspected without removal of the mainboard from the chasis.

Original Parts

Motherboard

Apple 820-1783-A

Capacitor Specifications and Footprint Information
RefDes Capacitance Voltage Mount Diameter/Size Height Lead Spacing Temp Type Brand Series
C3203 120 µF 16 v Through Hole 105 °C Electrolytic United Chemi-Con KY
C1309 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C1202 680 µF 16 v Through Hole 105 °C Electrolytic Panasonic FL
C8502 680 µF 16 v Through Hole 105 °C Electrolytic Panasonic FL
C8503 680 µF 16 v Through Hole 105 °C Electrolytic Panasonic FL
C3253 120 µF 16 v Through Hole 105 °C Electrolytic United Chemi-Con KY
C8509 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C1208 1500 µF 6.3 v Through Hole 105 °C Electrolytic Panasonic FL
C1209 1500 µF 6.3 v Through Hole 105 °C Electrolytic Panasonic FL
C1102 680 µF 16 v Through Hole 105 °C Electrolytic Panasonic FL
C1103 680 µF 16 v Through Hole 105 °C Electrolytic Panasonic FL
C1109 1500 µF 6.3 v Through Hole 105 °C Electrolytic Panasonic FL
C5034 1000 µF 16 v Through Hole 105 °C Electrolytic Rubycon MCZ
C5021 1000 µF 16 v Through Hole 105 °C Electrolytic Rubycon MCZ
C5011 680 µF 16 v Through Hole 105 °C Electrolytic Panasonic FL
C3303 120 µF 16 v Through Hole 105 °C Electrolytic United Chemi-Con KY
C5033 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C5041 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C5040 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C5032 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C5042 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C5039 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C5043 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C5028 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C5038 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C5018 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C5037 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ
C5017 1800 µF 6.3 v Through Hole 105 °C Electrolytic United Chemi-Con KZJ

The markings for C5033 and C5041 will likely be obscured by the CPU foam. On this revision, C5033 is on the left and C5041 on the right

Replacement Parts

Basic PCB Name

Capacitors
RefDes Qty Compatible Part Number Order Links
Digikey

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

Apple iMac G5/1.9 17" (iSight) Specs (everymac.com)

iMac G5 17" Model A1144 Repair (ifixit.com)

iMac G5 (Wikipedia)

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