Editing Atari 65XE Capacitor Replacement Guide (section)

== Atari 65XE Capacitor List ==

The 65XE mainboard uses a mix of through-hole and, in later revisions, some SMD electrolytic capacitors. Always cross-check your board’s silkscreen and reference numbers, as minor layout changes exist between European and US models.

=== Mainboard Electrolytic Capacitors ===

<templatestyles src="Template:StyledTable/styles.css" />
{| class="wikitable styled-table" style="width:100%; text-align:center;"
|+'''Atari 65XE Mainboard Electrolytic Capacitors'''
! Ref. Designator !! Capacitance !! Voltage !! Function / Location
|-
| C1 || 2200 µF || 16 V || Main +5 V input filter (power smoothing)
|-
| C13 || 470 µF || 16 V || +5 V local decoupling (CPU/ASIC area)
|-
| C41 || 100 µF || 16 V || Video circuit decoupling
|-
| C42 || 10 µF || 16 V || Audio output coupling
|-
| C43 || 10 µF || 16 V || Audio input coupling (monitor port)
|-
| C44 || 1 µF || 50 V || Video chroma coupling (monitor port)
|-
| C45 || 10 µF || 16 V || Reset circuit timing
|-
| C46 || 10 µF || 16 V || SIO circuit decoupling
|-
| C47 || 10 µF || 16 V || SIO circuit decoupling
|-
| C48 || 10 µF || 16 V || SIO circuit decoupling
|-
| C49 || 10 µF || 16 V || SIO circuit decoupling
|-
| C50 || 10 µF || 16 V || SIO circuit decoupling
|-
| C51 || 10 µF || 16 V || SIO circuit decoupling
|-
| C52 || 10 µF || 16 V || SIO circuit decoupling
|-
| C53 || 10 µF || 16 V || SIO circuit decoupling
|-
| C54 || 10 µF || 16 V || SIO circuit decoupling
|-
| C55 || 10 µF || 16 V || SIO circuit decoupling
|-
| C56 || 10 µF || 16 V || SIO circuit decoupling
|-
| C57 || 10 µF || 16 V || SIO circuit decoupling
|-
| C58 || 10 µF || 16 V || SIO circuit decoupling
|-
| C59 || 10 µF || 16 V || SIO circuit decoupling
|-
| C60 || 10 µF || 16 V || SIO circuit decoupling
|-
| C61 || 10 µF || 16 V || SIO circuit decoupling
|-
| C62 || 10 µF || 16 V || SIO circuit decoupling
|-
| C63 || 10 µF || 16 V || SIO circuit decoupling
|-
| C64 || 10 µF || 16 V || SIO circuit decoupling
|-
| C65 || 10 µF || 16 V || SIO circuit decoupling
|}

''Note: Some later 65XE boards (especially “Cost Reduced” versions) may use SMD electrolytic capacitors for some of the 10 µF positions. Replace with equivalent SMD or use carefully-fitted radial types.''

=== Power Supply (External) ===

The 65XE uses an external 5 V DC power supply (“brick”). If you experience unstable voltages or excessive ripple, inspect and recap the PSU as well. Typical values:

{| class="wikitable styled-table" style="width:60%; text-align:center;"
|+'''Atari 65XE Power Supply Capacitors (typical)'''
! Capacitance !! Voltage !! Notes
|-
| 2200 µF || 16 V or 25 V || Main filter (inside PSU brick)
|}

''Always open and service the PSU only if you are experienced with mains voltages.''