Dmb (Drive Main Board); Layout And Functions - Epson RC420 Manual

8. DMB (Drive Main Board)

8.1 Layout and Functions

Face
TP14
Backside
The test pins for voltage check
No.
TP14
TP15
TP16
TP17
TP18
TP19
TP20
TP21
RC420 Rev.9
TP21
TP20
X114
JP1
JP2
X102
TP17 TP15
X105B
Test pins for
voltage check
+5V +5V for DMB
−5V -5V for the Motor Driver module
+24V +24V output voltage of the Switching Power Supply module
GND GND for all the control power sources
+12V +12V for the system panel
+5V +5V for the Motor Driver module
+5.6V Encoder power supply voltage
GND GND for all the control power sources
Maintenance 8. DMB (Drive Main Board)
TP19
TP18
TP16
X104
X103
X105A
Description
LED1
LED2
131