PC 8300 Circuit Board and Schematic

Special Supplement to the Jan.-Feb. ’88 issue of SyncWare News.

PC 8300. Circuit Board. Top View.
PC 8300. Circuit Board. Top View.
PC 8300 Computer, RAM Pack and Keyboard Schematic (part 1)
PC 8300 Computer, RAM Pack and Keyboard Schematic (part 1)
PC 8300 Computer, RAM Pack and Keyboard Schematic (part 2)
PC 8300 Computer, RAM Pack and Keyboard Schematic (part 2)
PC 8300 Computer, RAM Pack and Keyboard Schematic (part 3)
PC 8300 Computer, RAM Pack and Keyboard Schematic (part 3)

PC-8300 Schematic courtesy of:

SLOT ELECTRONICS MFG.
5920 Kartner Road
Richmond, BC V6V 1R9
Canada

PC 8300 PARTS LIST

IC's           U1    C4005       ULA
               U2    Z 80        CPU
               U3    74LS05      Inverter
               U4    8440        ROM
               U5    2016        RAM
               U6 - U9           Not Used (2114)

REG's          VR1   7805        Voltage Reg (5v)
               Q1    D227        Transistor Reg.

ZENERs         Z1    Zener/Diode Combo (9.2v)

DIODE          D1 - D3           1N4148

RESISTORS      R1 - R8           10K
               R9 - R16          470
               R17 - R21         4700
               R22               10K
               R23               680
               R24               820
               R25               4700
               R26               220K
               R27 - R29         680
               R30               1K
               R31               470K
               R32               1K
               R33               220

CAPACITORS     C1                100 MFD 16v
               C2 - C3           47  MFD 16v
               C4                .1  Ceramic Disk
               C5                47  PF Disk
               C6 - C9           .1  Ceramic Disk
               C10               200 PF Disk
               C11 - C14         .1  Ceramic Disk
               C15               .047 Ceramic Disk
               C16               47  PF Disk
               C17               .01 Ceramic Disk

TRANSISTORS    Q2    D227        Audio Amp
               Q3    1402C       Switching Amp
               Q4    1402C       Video Amp