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Panasonic Q Capacitor Replacement Guide

From RetroTechCollection
Panasonic Q rear panel and rating plate

The Panasonic Q (SL-GC10) has 88 electrolytic capacitors on its own boards, the DVD, AV, LCD and power boards, besides those on the GameCube mainboard and GameCube power board inside it. The lists below are Console5's, read from production boards and listed by board number.[1] RetroSix publishes the same values grouped by size, with Console5 among its sources, and marks which boards are surface mount and which through hole.[2] Panasonic's operating instructions give no component data.[3] Check the markings on your own boards before ordering.

For the GameCube boards, use the Nintendo GameCube Capacitor Replacement Guide: its mainboard table has a column for the DOL-CPU-10 and DOL-CPU-11, the two mainboards GC-Forever records in the Q.[4] Console5's Q kit covers every board on its Q page, but leaves out the aluminium polymer capacitors on the GameCube DC-DC board, which Console5 says should not need replacing. Since March 2026 its kit supplies tantalum parts for the 10 µF positions on the GameCube boards.[5]

Before you start

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  • Unplug the Q. The AC power board is live whenever the plug is in.[6]
  • C903 on the main power supply board LSJB1090-4 is the primary reservoir, 150 µF 200 V. Measure across it before handling the board. 100 V mains rectifies to about 141 V DC; fit a replacement rated 200 V or more.[1]
  • Note every ribbon and harness before unplugging it. The connector map is on the maintenance guide. Leave connector Q, which holds the laser trim settings, with its board.[7]
  • Hitman's Museum recapped the GameCube board of its Q while the board was out for an optical drive emulator fitting, ahead of recapping the rest of the machine.[8]

DVD boards

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Console5 marks the functions of these two boards as uncertain. The drive's pickup, spindle and pickup motor connect to RJB2452AA.[1][9]

RJB2312C

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RJB2312C: 15 electrolytics (surface mount)
Designator Capacitance Voltage
C2001 100 µF 4 V
C2002 100 µF 4 V
C2003 100 µF 4 V
C3001 330 µF 6.3 V
C3002 220 µF 6.3 V
C3080 330 µF 6.3 V
C3301 100 µF 6.3 V
C3303 10 µF 16 V
C4201 330 µF 6.3 V
C6201 33 µF 6.3 V
C6257 100 µF 6.3 V
C6501 33 µF 6.3 V
C6502 10 µF 16 V
C7001 100 µF 4 V
C7002 100 µF 4 V

[1]

RJB2452AA

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RJB2452AA: 15 electrolytics (surface mount)
Designator Capacitance Voltage
C103 100 µF 6 V
C104 47 µF 4 V
C235 47 µF 4 V
C239 220 µF 4 V
C305 47 µF 4 V
C517 100 µF 6 V
C5201 10 µF 16 V
C5202 10 µF 16 V
C5211 47 µF 6 V
C5215 47 µF 6 V
C5251 10 µF 16 V
C5253 100 µF 6 V
C5517 10 µF 16 V
C5518 10 µF 16 V
C5526 47 µF 6 V

[1]

AV board RJB2503AA

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RJB2503AA: 31 electrolytics (through hole)
Designator Capacitance Voltage
C101 1 µF 50 V
C102 10 µF 25 V
C103 10 µF 25 V
C116 10 µF 25 V
C117 10 µF 25 V
C118 10 µF 25 V
C129 10 µF 25 V
C138 1 µF 50 V
C142 33 µF 16 V
C143 33 µF 16 V
C144 22 µF 16 V
C145 22 µF 16 V
C146 47 µF 10 V
C147 10 µF 25 V
C148 10 µF 25 V
C158 10 µF 25 V
C161 10 µF 25 V
C162 10 µF 25 V
C163 47 µF 6.3 V
C164 47 µF 6.3 V
C302 10 µF 25 V
C303 10 µF 25 V
C305 10 µF 25 V
C307 1000 µF 6.3 V
C309 1000 µF 6.3 V
C351 470 µF 16 V
C352 470 µF 16 V
C401 470 µF 16 V
C402 220 µF 6.3 V
C403 10 µF 25 V
C409 1 µF 50 V

[1][2]

LCD board RJB2504AA

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RJB2504AA: 4 electrolytics (surface mount)
Designator Capacitance Voltage
C512 100 µF 6.3 V
C513 100 µF 6.3 V
C519 100 µF 10 V
C523 2.2 µF 50 V

[1]

Power supply boards

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Main power supply LSJB1090-4

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LSJB1090-4: 14 electrolytics (through hole)
Designator Capacitance Voltage
C903 150 µF 200 V
C906 22 µF 50 V
C917 330 µF 16 V
C920 10 µF 50 V
C921 1500 µF 16 V
C923 330 µF 16 V
C924 1500 µF 16 V
C925 330 µF 16 V
C927 680 µF 16 V
C931 330 µF 16 V
C946 680 µF 16 V
C947 680 µF 16 V
C955 330 µF 16 V
C960 330 µF 16 V

[1][2]

Secondary power supply RJB2506AA

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RJB2506AA: 8 electrolytics (surface mount)
Designator Capacitance Voltage
C801 22 µF 16 V
C802 1000 µF 16 V
C806 100 µF 6.3 V
C807 1000 µF 6.3 V
C808 100 µF 16 V
C809 100 µF 16 V
C810 10 µF 25 V
C811 10 µF 25 V

[1]

RJB2506AB

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RJB2506AB: 1 electrolytics (surface mount)
Designator Capacitance Voltage
C701 1 µF 50 V

[1]

Procedure

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  1. Take out one board at a time, and photograph it before removing anything.
  2. Replace each capacitor with the same capacitance and the same or a higher voltage rating, observing polarity. Check the height of tall parts against the case and the boards above them; Console5 changed the 330 µF surface-mount parts in its kit in 2025 to get the height right.[5]
  3. On the surface-mount boards, remove the old parts without lifting pads, and clean off any electrolyte before fitting new ones. The method is set out in the GameCube guide.
  4. Refit the boards and reconnect them in stages, powering up after each, as in the troubleshooting guide. If the relay drops out after a step, the board just connected has a fault.[6]

After the recap

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  • The standby light comes on with the mains connected, the relay clicks once at POWER, and the LCD shows HELLO.[10]
  • The DC power board's outputs on connector N are 12 V, −12 V, 5 V and 2.5 V, and connector M carries 12 V to the GameCube power board. RetroSix gives no tolerances.[6]
  • Play a DVD, an audio CD and a GameCube disc, and check the composite, S-Video and optical outputs.
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References

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  1. ↑ 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 Panasonic Q, Console5 TechWiki, 7 March 2025—link(accessed 2026-10-01) Capacitor lists by board number for the DVD, AV, LCD and power boards; the GameCube boards are referred to Console5's GameCube page. Secondary source, compiled from boards.
  2. ↑ 2.0 2.1 2.2 Capacitors (Panasonic Q), RetroSix Wiki, 16 August 2026—link(accessed 2026-10-01) Capacitor tables grouped by value; repeats Console5's values and names Console5 among its sources.
  3. ↑ Matsushita Electric Industrial Co., Ltd., DVD/ゲームプレーヤー 取扱説明書 品番 SL-GC10 (operating instructions, RQT6164-S, October 2001), 60 pages, in Japanese. Specifications p. 50; Q&A p. 50; troubleshooting table pp. 51–53; names of parts pp. 54–57; care, warranty and parts retention p. 58; game error messages p. 34. Hosted here as File:Panasonic Q SL-GC10 Operating Instructions RQT6164.pdf (PDF page = printed page + 1); see Panasonic Q Documentation.
  4. ↑ GC-Forever Wiki, "GameCube versions". Community source. Lists the SL-GC10 with mainboards DOL-CPU-10 and DOL-CPU-11, IPL NTSC revision 1.0 and drive identifier 0000 0000 20010831 61 4D.
  5. ↑ 5.0 5.1 Panasonic Q Cap Kit - All Boards: GameCube, DVD Player Control, Power Supplies, Console5—link(accessed 2026-10-01) Kit notes: covers every board on Console5's Panasonic Q wiki page; GameCube DC/DC board aluminium polymer capacitors are not included; since March 2026 the 10 µF parts for the DOL boards are tantalum. The same page lists a replacement tray belt for the Q.
  6. ↑ 6.0 6.1 6.2 Systematic Bring Up (Panasonic Q), RetroSix Wiki—link(accessed 2026-10-01) Community account of the power-up stages: standby supply, relay, DC power board rails and the over-current trip.
  7. ↑ Ribbon Connections (Panasonic Q), RetroSix Wiki—link(accessed 2026-10-01) Community labelling of the boards and their connectors A to V.
  8. ↑ Panasonic Q (SL-GC10) GameCube: Drive Rails & FlippyDrive, Hitman's Museum, June 2022 – September 2025—link(accessed 2026-10-01) Restoration log: shattered left drive rail and deformed belt, 3D-printed rails, FlippyDrive with the flex cable reversed, and a recap of the GameCube board.
  9. ↑ Panasonic SL-GC10 (Panasonic Q) CD/DVD Mechanism Schematic Diagram RAJ4601-M (K), one sheet, 2010. A community drawing, not a Panasonic document. Hosted here as File:Panasonic Q SL-GC10 CD-DVD Mechanism Schematic RAJ4601.pdf.
  10. ↑ Power Up Basics (Panasonic Q), RetroSix Wiki—link(accessed 2026-10-01) Community notes on the standby light, the relay, the LCD start-up messages and the front-panel buttons in each mode.


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