Labels:text | diagram | plan | technical drawing | schematic | black and white | parallel | sketch OCR: Commodore 64 Board Layout 104 At least 3 circuit boards exist, but differences are minor in most cases. Pull-up Resistors (CIA) C Serial Port Buffer Reset & NMI Generator Keyboard Connector ·Of U 64K RAM U2 3 6526 CIA 1 L Serial Port Pull-up Resistors RAM Multiplexer O U3 6526 CIA 2 BASIC ROM Programmable Logic Array Analog Input U5 Kernal ROM Multiplexer CID- 6581 SID Chip Character Generator ROM Hardware: C64 Board Layout U17 U7 Colour Memory CHS C34 0 U18 6567 VIC-Il Video Chip 6510 CPU Shielded Video Section 7812 Voltage Regulator : U19 Colour Intensity Adjustment RF Modulator Clock Frequency Adjustment Cassette Motor Control Yı Voltage Step-up Expansion Port Circuitry Connector 7805 Voltage Regulator Fuse ER LED Connector Joystick/Paddle Connectors Power Connector Resistor Colour Code ...
