4 Electronic Circuit Description and Diagrams

4.1. Block Diagram

4.1.1. Main Control Board Block Diagram

IC1
CPU ASIC
(Main Control Board)
Panel I/F
CN6
Mac & Phy
IC6
LED
D12
EEPROM
IC7
CN3
Network I/F
(Only for KX-P7110)
Engine I/F
CN5
IEEE 1284 I/F
CN4
USB I/F
CN9
CN2
Optional
RAM Board I/F
CN1
Optional PostScript
Upgrade Kit I/F
Regulator
IC10
Regulator
IC12
Reset IC
IC2
OSC (50MHz)
X1
OSC (48MHz)
X2
OSC (53MHz)
X3
IC3
ROM
(Standard)
IC5
SDRAM
(Standard)
3.3V
2.5V
2.5V
To Engine
Control Board
54
KX-P7105 / KX-P7110