Editing Commodore 64 Capacitor Replacement Guide (section)

=== “Long boards” – Assy 326298 / 250407 ===
{| class="wikitable styled-table" style="width:100%; text-align:center;"
|+'''Early C64 Electrolytic Capacitors'''
! Board ref !! Capacitance !! Voltage !! Purpose / rail
|-
| C88 || 4 700 µF || 16 V || Main +5 V bulk (from external PSU)
|-
| C90 || 1 000 µF || 16 V || Secondary 5 V at VIC/SID (reduces raster-noise)
|-
| C91 || 470 µF || 25 V || +12 V filter (SID 6581 & VIC 6567/9 analogue)
|-
| C13 || 220 µF || 25 V || 9 VAC ► +12 V doubler reservoir
|-
| C14 || 100 µF || 16 V || 9 VAC ► 5 V gate-array supply (PLA decouple)
|-
| C15 || 10 µF  || 16 V || Power-on reset RC
|-
| C38 || 22 µF  || 16 V || Audio path (SID DC-blocking)
|-
| C70 || 3.3 µF || 50 V || Chroma-coupling into RF modulator
|-
| C71,C72 || 100 µF || 16 V || RF modulator 5 V and audio buffer
|}

''Very early NTSC boards mark C90 as 2 200 µF – Commodore standardised on 1 000 µF by Rev-B.''