QBert Power Supply Board, Rebuilt

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Description

Rebuilt and fully tested Q*Bert power supply board. I upgrade several components on the board during the rebuild. The power supply is the heart of a qbert and they are notorious for failure. Most every dead qbert is a direct result of power supply failure. When it fails, it usually takes out your sound board with it and can be a very costly repair. Even if your power supply is working fine now, I highly reccomend rebuilding it. Limited quantity available. Im getting really low on cores, I buy non-working power supplys.

When ordering a power supply I will need to know what revision sound board you have. Revision 1 used a LM379S sound amp and is the most common. Revision 2 used a TDA2002 amp on a piggyback pcb board. If your power supply have two of the large blue caps it is revision 1. Revision 2 power supply will only have one of these.

NOS 6502A MPU

$6.95 (tax excl.)

Rockwell R6502A 8-Bit Microprocessor CPU Used on many arcade boards. 40 Pin DIP Package Very hard to find NOS part, while supply lasts.

Resistors & Pots

200Ω 5 Watt Axial Resistor

$1.69 (tax excl.)

200Ω 5 Watt Axial Resistor Used on QBert power supply location R23.

Q*Bert

Q*Bert sound amp heatsink

$1.95 (tax excl.)

Q*Bert sound amp heatsink. This will fit any Gottlieb sound board that uses the LM379S amp chip. Includes heatsink and mounting screws.

Potentiometers

Q*Bert sound board 10K pot

$2.68 (tax excl.)

10k multi-turn pot Used on Q*bert sound board and other Gottlieb sound boards. R6 & R13.

Sound Amplifiers

LM379S

$17.89 (tax excl.)

LM379S This sound amp was used on many Gottlieb games such as Q*Bert, Mad Planets and Reactor. Also used on Gottlieb system 80 pinball. IC has an integral metal rail used to mount a heatsink.

Processors & 40 pin ICs

6502A MPU

$4.75 (tax excl.)

6502A 8-Bit Microprocessor CPU Used on many arcade boards. 40 Pin DIP Package Refurbished used pulls , may have minor cosmetic blemishes.

Q*Bert

Q*Bert Power Supply Rebuild Kit

$24.75 (tax excl.)

This qbert power supply kit was put together with many upgrades for weak components that commonly fail on these boards. In no way will this make your power supply indestructible but it will increase its life greatly...