Sanyo PLC-XU56 Service Manual page 50

Control Port Functions
● Input/Output Expander Port Functions
IC Ref. No Pin I/O
IC2321
1
2
TC74LCX541
3
4
5
6
7
8
9
IC2322
1
2
TC74LCX541
3
4
5
6
8
9
IC2323
12 O
TC74LCX574
13 O
14 O
15 O
16 O
17 O
18 O
19 O
IC2324
12 O
TC74LCX574
13 O
14 O
15 O
16 O
17 O
18 O
19 O
Signal Name Function
I CS_IN
I
I
I SC_SW
I
I S_SW
I CARD_IN
I W_LAN_IN
I VIEWER_ON
I CS_IN
I VSYNC_DET
I
I
I
I
I
I
DVI_SW_N
PC/AV_SW
COMPO
PC1/PC2_SW
MNTOUT
VOL_SW
DDC_SW1
Not used
MOUSE/CPU_SW
AUDIO_MUTE
Not used
Not used
Not used
Not used
Not used
Not used
Not used
Scart Selection SIgnal input
S-Video Selection Signal input
Imager Card Signal input
Wireless LAN Signal input
Viewer Unit Signal input
V-Sync Signal input
DVI Input switch
PC/AV switch
Component Mode switch
PC1/PC2 Mode switch
PC2 Monitor Output switch
PC/AV Audio switch
DDC switch
Audio Mute switch
-50-
Note
L: Scart on
L: S-Video on
L: Imager on
L: Wireless LAN on
L: Viewer Unit on
Not used
DVI HDCP-in:High
PC: High
Component in:Low
PC1: Low
Monitor-out:Low
PC Audio in:High
Mute-on: High