
3-3. NCU Sub Board
CN402 (PictBridge Harness)
CN902 (Speaker )
CN903 (to Logic Board)
No.
Signal name
Function
Input / Output
1
S_GND
System ground
-
2
D+
D+ signal
BUS
3
D-
D- signal
BUS
4
VBUS
PictBridge Vbus signal
OUT
No.
Signal name
Function
1
SPV01
Speaker drive signal 1
2
SPV02
Speaker drive signal 2
No.
Signal name
Function
Input / Output
1
+5V
VCC +5V
IN
2
DIODE1
Diode sensor signal 1
OUT
3
DIODE0
Diode sensor signal 0
OUT
4
DIA1
Diode sensor anode 1
IN
5
DIA0
Diode sensor anode 0
IN
6
GND
Ground
-
7
SCAN_OPEN
Scanner open switch signal
OUT
8
BUZZER
Keypad/Alarm volume control
IN
9
SPSTP
Speaker stop signal
IN
3-10
Содержание PIXMA MP530
Страница 5: ...Part 1 MAINTENANCE ...
Страница 34: ... Right side c Disconnect the connector for the solenoid 1 29 ...
Страница 51: ... Service test print sample 1 46 ...
Страница 56: ... System data list sample 1 51 ...
Страница 57: ... Error transmission report sample 1 52 ...
Страница 60: ...Part 2 TECHNICAL REFERENCE ...
Страница 73: ...Part 3 APPENDIX ...