CHAPTER II -2
1.2
Main PCB Block Diagram
Fig. 2.2 shows the block diagram of the main PCB.
Reset Circuit
P Font ROM
(4Mbytes)
RAM
(2Mbytes)
Option RAM (SIMM)
(Max. 32Mbytes)
Optional ROM
(Max. 4Mbytes)
Option Serial I/O
(RS232C & RS422A)
EEPROM (512 x 8bits)
CPU Core
R3041
A S I C
Oscillator (40MHz)
Address Decoder
DRAM Control
Timer
FIFO
DATA EXTENSION
Parallel I/O
Software Support
EEPROM I/O
Engine Control I/O
Motor Driver
To Panel Sensor PCB
BUS
INT
To PC
Fig. 2.2
Summary of Contents for HL HL-1060
Page 1: ...SERVICE MANUAL MODEL HL 1060 R LASER PRINTER ...
Page 24: ...CHAPTER II 8 1 3 5 DRAM Four 4Mbit DRAM x 8bit are used as the printer memory Fig 2 7 ...
Page 28: ...CHAPTER II 12 1 3 11 Engine I O Fig 2 13 shows the engine interface circuit Fig 2 13 ...
Page 96: ...Appendix 3 Main PCB Circuit Diagram 1 4 CODE UK3400000 B48K246CIR NAME V 3 ...
Page 97: ...Appendix 4 Main PCB Circuit Diagram 2 4 CODE UK3400000 B48K246CIR NAME V 4 ...
Page 98: ...Appendix 5 Main PCB Circuit Diagram 3 4 CODE UK3400000 B48K246CIR NAME V 5 ...
Page 99: ...Appendix 6 Main PCB Circuit Diagram 4 4 CODE UK3400000 B48K246CIR NAME V 6 ...
Page 100: ...Appendix 7 Driver PCB Circuit Diagram CODE UK3634000 B48K280CIR NAME V 7 ...
Page 105: ...Appendix 12 SR PCB Circuit Diagram CODE UK3653000 B48K284CIR NAME V 12 ...
