ViewSonic VLCDS25973-2W Service Manual page 80

+3.3V
J4
KMUTE
12
KMENU
11
KSELECT
10
KVOLUME+
9
KDOWN
8
KUP
7
KVOLUME-
6
KLEDG
5
KLEDO
4
3
KPWR
2
1
C83
HEADER 12-2.0
OSD Key Connector 0.1uF
JP6
KMENU
10
KDOWN
9
8
KUP
7
KSELECT
6
5
KPWR
4
KLEDO
3
2
KLEDG
1
J5 FOR 5 KEYS OF GPIO FUNCTION
SMD
ViewSonic Corporation
+3.3V
J4
RP2 RP3
2K2x4 2K2x4
C84 C85 C86 C87 C88 C89 C90
0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF
NC FOR C83~C92
Confidential - Do Not Copy
77
FOR 8 KEYS OF GPIO FUNCTION
RP1
4
3
2
1
RP4
4
3
2
1
C91 C92 R125 R126
0.1uF 0.1uF
510R/NC 510R/NC
BALL_SW
Title
Size
Date:
VP191b/s-1/-2
YUV[0..7]
1Kx4 YUV0
5
YUV1
6
YUV2
7
YUV3
8
1Kx4 YUV4
5
YUV5
6
YUV6
7
YUV7
8
LEDGM
LEDOM
+3.3V
R124 R123
10K 510R
JP4
2 1
4 3
Ball Switch
Option for Pivot SW
ViewSonic Corporation
GM5321 for VP Series
Document Number
KEY&PIVOT
Wednesday, January 12, 2005
C118
0.1uF
Rev
D1
Sheet 9 of 9