CPD-G420, CPD-G420S, CPD-G520, GDM-F520 - Sony Monitor Service Manual (repair manual). Page 16

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CR1 chassis (E)
16
#
Port
I/O
Name
Function
67
P15/A13/AD13
68
P16/A14/AD14
69
P17/A15/AD15
70
P20/A0/A16
I
DDC GND 1
H: Host disconnected, L: Host connected
71
P21/A1/A17
I
DDC GND 2
H: Host disconnected, L: Host connected
72
DVSS2
GND
73
NMI
+5V
74
DVCC2
+5V
75
P22/A2/A18
76
P23/A3/A19
77
P24/A4/A20
78
P25/A5/A21
O
LED RED
H: On, L: Off
79
P26/A6/A22
O
LED GREEN
H: On, L: Off
80
P27/A7/A23
I
INPUT SELECT
H: Input 2, L: Input 1 (Pig tail)
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