URI:
       Index of /pdf/fourPhase/schematics_set1
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   DIR /pdf/fourPhase
       81328013-07_A_8230_Disc_Terminator_Block.pdf
       81328031-05_50_Connector_Assy._Software_Enabling_Device.pdf
       81328102-07_A_10_MB_Disc_Terminator_Block.pdf
       81420151-07_A_Cable_and_Wiring_Diag_DDT_Printer.pdf
       81423151-07_50_Printer_with_PS_Wiring_Diag.pdf
       81430091-07_A_Power_Supply_Chassis_60_Hz.pdf
       90012402_8230_Disc_Controller_Card_1.pdf
       90012412_8230_Disc_Controller_Card_2.pdf
       90012723-07_A_Keyboard_Data_Receiver_Card.pdf
       9001272X-27_A_Keyboard_Data_Receiver_Card.pdf
       90012901-07_B_Clock-Sync_Card.pdf
       90012941-05_D_CPU_Card_With_Decimal_Arithmetic.pdf
       90012961-07_A_Schematic_Key_Bd_Alarm_Configuration_Header_Bd..pdf
       90014112-18_A_8230_Disc_Daisy_Chain_Cable.pdf
       90014121-18_F_8230_Disc_Power_Cable.pdf
       90014122-18_A_8230_Disc_Power_Cable.pdf
       90014132-18_C_I-O_Contoller_Disc_Cable.pdf
       90014351-05_D_Cable_Assembly_Video_Primary.pdf
       90014351-18_E_Video_Primary_Cable.pdf
       90014471-18_D_Character_Gen._Card_to_Term._Dist._Bd..pdf
       90014631-18_B_Serial_Data_Controller_to_Character_Printers.pdf
       90014691-18_D_I-O-1_Cable_System_T.pdf
       90014701-18_D_Operators_Console_to_I-O_2_Card.pdf
       90014711-18_C_Operators_Console_to_Terminal_Distribution_Board.pdf
       90014731-18_A_Cable_Assy_Backplane_To_Operators_Console.pdf
       90014943-18_A_Cable_Assy_IOP_-_IV-70.pdf
       90032641-27_B_DDT_Serial_Interface.pdf
       90032652-07_B_IV-90_Model_II_Memory_Map.pdf
       90032973-07_A1_10_MB_Disc_Controller_Cd_1.pdf
       90032995-07_A_10_MB_Disc_Controller_Cd_2.pdf
       90042171-07_56_IV-90_DRAM.pdf
       90042221-07_B1_8437_Cont_1.pdf
       90042231-07_B1_8437_Cont_2.pdf
       90057092-07_D_NP80_Backplane_Assembly.pdf
       90062072-07_A_IV-90_Backplane.pdf
       90080191_J_029_Data_Entry_Keyboard.pdf
       90080201_H_Data_IV-70_Source_Data_Keyboard.pdf
       90100701-07_50_H_NP-80_Driver_Receiver_Card.pdf