Editing Atari 400 Capacitor Replacement Guide (section)

=== Power supply PCB (CA014155) ===

This board carries the mains-derived circuitry, both regulators, the RF modulator and the power and interlock switches. Seven of the machine's eight electrolytics are here.<ref name="fsm" />

{| class="wikitable styled-table" style="width:90%; text-align:center;"
|+ Atari 400 power supply PCB electrolytic capacitors
! Designator !! Value !! Rating !! Package !! Atari part number
|-
| C201 || 470 µF || 16 V || Axial || C014370
|-
| C202 || 470 µF || 16 V || Axial || C014370
|-
| C204 || 2200 µF || 16 V || Axial || C014373
|-
| C205 || 2200 µF || 16 V || Axial || C014373
|-
| C207 || 10 µF || 16 V || Axial || C014371
|-
| C209 || 4700 µF || 16 V || Radial || C014374-01 or C014374-02
|-
| C210 || 22 µF || 16 V || Axial || C014393
|}

The remaining capacitors on this board are not electrolytics and should be left alone unless they test faulty: C203, C208 and C211 are 0.22 µF polyester film (C010394), C206 is 0.1 µF ceramic and C212–C213 are 0.001 µF ceramic.<ref name="fsm" />