Editing Macintosh TV Troubleshooting (section)

== Capacitor Failure Symptoms ==
{| class="wikitable styled-table" style="width:100%; text-align:center;"
|+ '''Symptoms of Capacitor Failure'''
|-
! Location !! Symptom !! Component Type
|-
| Logic board || No boot, audio distortion, intermittent crashes || SMD electrolytics
|-
| Logic board || No startup chime, crackling audio || Audio filter capacitors
|-
| TV tuner board || No TV function, poor reception, no audio in TV mode || SMD electrolytics
|-
| Analog board || Dim display, geometry issues, power instability || Through-hole electrolytics
|-
| Analog board || Horizontal/vertical size drift, power cycling || Filter capacitors
|}

'''Visual indicators of capacitor failure:'''
* Brown or black residue under/around capacitors
* Bulging or domed capacitor tops
* Leaking fluid from capacitor base
* Corrosion on nearby traces or components
* Crystalline deposits on PCB

See [[Macintosh TV Capacitor Replacement Guide]] for replacement specifications and procedures.