2KR/2KS
2-3-28
YC3 1 VBUS I 5 V DC 5 V DC power input
Connected
to the main
PWB
2 DN I/O - USB data signal
3 DP I/O - USB data signal
4 ID - - Not used
5 GND - - Ground
YC4 1 SUPND POWER I 5 V DC 5 V DC power input from MPWB
Connected
to the main
PWB
2 GND - - Ground
3 PH KEY O 0/5 V DC Power key: On/Off
4 GND - - Ground
5 AUDIO I Analog Audio output signal
6 SUPND_ENTR I 0/3.3 V DC Energy save mode control signal
7 +24V_DOWN I 0/3.3 V DC 24 V DC down signal
8 SW_FOOTN - - Not used
9 HOLDPANEL I 0/3.3 V DC Operation panel displaying enable signal
10 PANEL_RESET I 0/3.3 V DC MPWB reset signal
11 S_LED1 I 0/3.3 V DC Operation panel LED display signal
12 S_LED0 I 0/3.3 V DC Operation panel LED display signal
13 PANEL_STATU
S
O 0/3.3 V DC Operation panel status signal
YC6 1 GND - - Ground
Connected
to the LCD
inverter
PWB
2 +12V O 12 V DC 12 V DC power output to LINPWB
3 LCDBKLT O 0/3.3 V DC LCD back light: On/Off
4 ADJUST O Analog LCD back light brightness adjustment signal
5 GND - - Ground
YC7 1 KEY0 I 0/3.3 V DC (pulse) Operation panel key scan return signal 0
Connected
to the right
operation
PWB
2 KEY1 I 0/3.3 V DC (pulse) Operation panel key scan return signal 1
3 KEY2 I 0/3.3 V DC (pulse) Operation panel key scan return signal 2
4 KEY3 I 0/3.3 V DC (pulse) Operation panel key scan return signal 3
5 KEY4 I 0/3.3 V DC (pulse) Operation panel key scan return signal 4
6 SCAN0 O 0/3.3 V DC (pulse) Scan signal 0
7 SCAN1 O 0/3.3 V DC (pulse) Scan signal 1
8 SCAN2 O 0/3.3 V DC (pulse) Scan signal 2
9 SCAN3 O 0/3.3 V DC (pulse) Scan signal 3
10 SCAN6 O 0/3.3 V DC (pulse) Scan signal 6
11 LED0 O 0/3.3 V DC (pulse) Operation panel LED display drive signal 0
12 LED1 O 0/3.3 V DC (pulse) Operation panel LED display drive signal 1
13 PH KEY I 0/5 V DC Power key: On/Off
14 SUPND POWER O 5 V DC 5 V DC power output to OPWB-R
15 GND - - Ground
Connector Pin No. Signal I/O Voltage Description
Service Manual Y111960-2
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