The Wurlitzer 7300 Combo Organ.

There is very little online information about the 7300. I hope to change that. The hope is to make a website that will detail the schematics and Service Manual in an interactive format. This is to benefit everyone that has this beautiful and rare combo organ.

In the meantime, I have uploaded the schematics and service manual (which is why you're probably here).

Service Manual

The service manual in PDF format with OCR applied (4.3 Mb).

Schematics

Keyboard Wiring Diagram
The wiring diagram for the keyboard
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5000 x 3748 pixels
5.1 MB
Sound and Filter System
One of the two circuit boards. If you're looking at the organ, this is the one on the left.
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5000 x 4232 pixels
4.5 MB
Generators / Oscillators
The PCB that holds all of the oscillators. Referred to in the service manual and schematics as "Generators".
The circuit board on the right.
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5000 x 3654 pixels
5.6 MB